US20220147210A1 - User interface device for industrial vehicle - Google Patents
User interface device for industrial vehicle Download PDFInfo
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- US20220147210A1 US20220147210A1 US17/649,117 US202217649117A US2022147210A1 US 20220147210 A1 US20220147210 A1 US 20220147210A1 US 202217649117 A US202217649117 A US 202217649117A US 2022147210 A1 US2022147210 A1 US 2022147210A1
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Abstract
A processing device comprising a graphical user interface in an industrial vehicle is provided. The processing device comprises a touch screen display that receives touch gesture commands from a vehicle operator, memory storing executable instructions, and a processor in communication with the memory. The processor when executing the executable instructions: defines a plurality of widgets, wherein each widget comprises a visual representation of a current state of an associated function of the vehicle, displays a subset of the plurality of widgets on a portion of the touch screen display defining a plurality of widget spaces, and displays an icon tray on the touch screen display comprising one or more icons, in which at least one of the one or more icons corresponds to a respective one of the plurality of widgets.
Description
- This application is a continuation of U.S. patent application Ser. No. 15/815,788, filed Nov. 17, 2017, entitled “USER INTERFACE DEVICE FOR INDUSTRIAL VEHICLE,” by Jonathan Ochenas, et al., which claims the benefit of U.S. Provisional Application No. 62/425,099, filed Nov. 22, 2016, both of which are hereby incorporated by reference in their entirety. This application is related to U.S. patent application Ser. No. 15/210,049 (now U.S. Pat. No. 10,430,073; Attorney Docket No. CRN 804 PA), entitled “PROCESSING DEVICE HAVING A GRAPHICAL USER INTERFACE FOR INDUSTRIAL VEHICLE,” by Anthony T. Castaneda, et al., filed on Jul. 14, 2016, which claims the benefit of U.S. Provisional Patent Application Ser. No. 62/193,840, filed on Jul. 17, 2015, both of which are hereby incorporated by reference in their entirety. This application is also related to the following applications: U.S. patent application Ser. No. 15/815,778 (now U.S. Pat. No. 11,054,980; Attorney Docket No. CRN 834 PA), entitled “USER INTERFACE DEVICE FOR INDUSTRIAL VEHICLE,” by Jonathan Ochenas, et al.; U.S. patent application Ser. No. 15/815,801 (now U.S. Pat. No. 10,936,183; Attorney Docket No. CRN 834 PA3), entitled “USER INTERFACE DEVICE FOR INDUSTRIAL VEHICLE,” by Jonathan Ochenas, et al.; and U.S. patent application Ser. No. 15/815,810 (now U.S. Pat. No. 10,754,466; Attorney Docket No. CRN 834 PA4), entitled “USER INTERFACE DEVICE FOR INDUSTRIAL VEHICLE,” by Jonathan Ochenas, et al., all of which are hereby incorporated by reference in their entirety.
- The present invention relates to electronic systems for use in an industrial vehicle that interacts with and presents information to a vehicle operator via a graphical user interface.
- Industrial vehicles, such as forklift trucks and other materials handling trucks, are often equipped with a user interface that allows a vehicle operator to perform a variety of functions, such as accessing and viewing information programmed into the truck, entering new information, and viewing images from onboard cameras. When entering or accessing information, the operator may be required to scroll or click through large amounts of information across multiple screens or scroll through numerous options within a menu. In addition, operators working in cold environments, such as freezers, typically must wear gloves, which increases the difficulty of navigating through multiple screens and menus.
- Various aspects and embodiments of the present disclosure address various technical problems associated with the need for an operator of a materials handling vehicle to spend excess time scrolling, clicking or reviewing a large amount of information to locate needed information for viewing on a vehicle user interface screen during operation of the vehicle. The present disclosure provides a first technical solution which involves detecting activation of an icon corresponding to a widget and, in response to detecting activation of the one icon, automatically moving the corresponding widget to a designated widget space for operator use. Hence, an operator need not manually search through multiple widgets, find and move the desired widget to a screen display as the desired widget is automatically moved to the screen upon activation of the corresponding icon. Another technical solution involves detecting activation of an icon corresponding to a widget and, in response to detecting the activation of the one icon, allowing a first menu portion of the one widget to be displayed. Hence, an operator may access a menu portion of the one widget when needed and desired upon activation of the corresponding icon and inadvertent access to or appearance of the menu portion is prevented when the corresponding icon is not activated. A further technical solution involves changing a state of a portion of a widget, such as an outline of a widget, upon a vehicle function being completed, e.g., a carriage assembly reaching a desired height, which is advantageous as this provides an operator with quick and clear confirmation that the vehicle function has been successfully executed. Yet another technical solution involves detecting activation of an icon corresponding to a widget and, in response, moving the widget to a predefined widget space, moving the widget from the predefined widget space in response to an operator command to move the widget away from the widget space and automatically moving the widget back to the predefined widget space in response to a command related to a vehicle operation. Such a solution provides a user interface that is flexible so as to allow an operator to move the widget corresponding to an activated icon away from the predefined widget space when the operator wishes to view another widget for additional information yet automatically returns the widget corresponding to the activated icon to the predefined widget space in response to a command related to a vehicle operation, thereby saving the operator time as the operator need not manually look and move the widget corresponding to the activated icon back to the predefined widget space. Other technical problems and corresponding solutions are set out herein.
- In accordance with a first aspect of the present disclosure, a processing device comprising a graphical user interface in an industrial vehicle is provided. The processing device comprises a screen display, such as a touch screen display that receives gesture commands from a vehicle operator, memory storing executable instructions, and a processor in communication with the memory. The processor when executing the executable instructions defines a plurality of widgets, in which each widget comprises a visual representation of a current state of an associated function of the industrial vehicle, controls the display of or causes to be displayed a subset of the plurality of widgets on a portion of the screen display defining a plurality of widget spaces, and controls the display of or causes to be displayed an icon tray or icon row on the screen display comprising one or more icons, in which at least one of the one or more icons corresponds to a respective one of the plurality of widgets.
- The processor when executing the executable instructions in an example embodiment defines the icon tray as a separate portion of the screen display from the plurality of widget spaces, the icon tray being spaced apart from the plurality of widget spaces. The processor when executing the executable instructions may lock one of the plurality of widgets in position in a locked widget space upon activation of an icon corresponding to the one widget. The widget may be spaced away from its corresponding icon. The processor when executing the executable instructions may detect the activation of the icon corresponding to the one widget, and in response to detecting the activation, automatically move the one widget to the locked widget space and shift the remaining one or more widgets in the subset to the one or more remaining widget spaces. The processor when executing the executable instructions may shift a position of one or more of the widgets of the subset on the touch screen display following detection of a gesture command on the touch screen display.
- The processor when executing the executable instructions may control or cause display of a first menu associated with one of the plurality of widgets when the one widget is displayed in one of the plurality of widget spaces on the screen display and a first menu portion of the one widget is activated by the vehicle operator. In some particular embodiments, the first menu may comprise a list, a sidebar, or a scroll wheel, in which a display of options in the first menu may be altered by one of a tap gesture, swipe gesture, a slide gesture, or a rotating gesture on the touch screen display and in which the options within the first menu may be color-coded with a different color. In other particular embodiments, the first menu portion of the one widget may be activated by the vehicle operator touching or selecting the first menu portion. In further particular embodiments, the processor when executing the executable instructions may define a plurality of sub-menus, each sub-menu corresponding to a particular option within the first menu, in which one sub-menu may be displayed on the screen display after the corresponding option within the first menu has been selected and a sub-menu portion of the one widget is activated.
- The processor when executing the executable instructions may further color code at least a portion of the one sub-menu using a same color associated with the corresponding option within the first menu. In some embodiments, one or more of the first menu or the sub-menus may be displayed within the one widget. In other embodiments, one or more of the first menu or the sub-menus may be displayed in a separate window that is temporarily superimposed over one or more of the widget spaces. In further embodiments, the processor when executing the executable instructions may define the one widget as a rack height select (RHS) widget, the RHS widget comprising a workspace zone menu defining the first menu, in which the workspace zone menu comprises a plurality of workspace zones, each workspace zone having a corresponding sub-menu comprising a plurality of stored rack heights associated with the workspace zone. It is also contemplated that the first menu may comprise parameters or categories other than the zone. For example, the first menu may comprise a listing of racks designated by type, name and/or number. In some particular embodiments, at least a portion of a visual depiction of each workspace zone comprises a different color, and at least a portion of a visual depiction of each corresponding sub-menu comprises a same color as the associated workspace zone.
- The processor when executing the executable instructions may define one of the plurality of widgets as a rack height select (RHS) widget comprising a workspace zone selection portion defining a first menu portion, in which a rack height selection portion defines a sub-menu portion, and a load presence indicator. In some particular embodiments, the processor when executing the executable instructions may control or cause display of the RHS widget in one of the widget spaces, detect a selection of a particular workspace zone and a particular stored rack height related to the particular workspace zone, in which after the selection of the particular workspace zone and the particular stored rack height, the workspace zone selection portion comprises an identifier of the particular workspace zone selected, the rack height selection portion comprises an identifier of the particular stored rack height selected, and the load presence indicator comprises a visual indication of a presence or an absence of a detected load. In other particular embodiments, the processor when executing the executable instructions may override the indication of the absence of a detected load upon activation of the load presence indicator by the vehicle operator.
- In some embodiments, the processing device may further comprise a vehicle network system connecting the processor to at least one vehicle network bus, in which the processor extracts a current position of a carriage assembly and a current sensed load weight. The processor when executing the executable instructions may define one of the plurality of widgets as a capacity data monitoring (CDM) widget comprising a visual representation of the current position of the carriage assembly and the current sensed load weight.
- The processing device may further comprise a vehicle operator control section comprising one or more physical input control elements, in which the one or more physical input control elements are used to make selections on the screen display. In some particular embodiments, the one or more physical input control elements may comprise at least one of a five-button control, a rotary control knob, a trigger switch on a multifunction control handle, or a trigger switch on an armrest.
- The processor when executing the executable instructions may determine if a speed of the vehicle is below a threshold speed, and change one or more of the widgets of the subset on the touch screen display following detection of a gesture command on the touch screen display and if the speed of the vehicle is below the threshold speed.
- The processor when executing the executable instructions may move one of the plurality of widgets to a predefined widget space upon activation of an icon corresponding to the one widget.
- In accordance with a second aspect of the present disclosure, a processing device comprising a graphical user interface is provided. The processing device comprises a screen display, memory storing executable instructions, and a processor in communication with the memory. The processor when executing the executable instructions defines a plurality of widgets, in which each widget comprises a visual representation of a current state of an associated function, controls or causes display of a subset of the plurality of widgets on a portion of the screen display defining a plurality of widget spaces, controls or causes display of an icon tray on the screen display comprising one or more icons, in which at least one of the one or more icons corresponds to a respective one of the plurality of widgets, detects activation of the one of the one or more icons corresponding to the one widget, and in response to detecting the activation of the one icon, locks the respective one widget in position in one of the widget spaces.
- The processor when executing the executable instructions may, in response to detecting the activation of the one icon, automatically move the one widget to the locked widget space and shift the remaining one or more widgets in the subset to the one or more remaining widget spaces.
- In accordance with a third aspect of the present disclosure, a processing device comprising a graphical user interface in an industrial vehicle is provided. The processing device comprises a screen display, memory storing executable instructions, and a processor in communication with the memory. The processor when executing the executable instructions defines one or more widgets each comprising a visual representation of a current state of an associated function of the industrial vehicle, controls or causes display of at least one of the one or more widgets on a portion of the screen display defining one or more widget spaces, controls or causes display of an icon tray on the screen display comprising one or more icons, in which at least one of the one or more icons corresponds to a respective one of the one or more widgets, detects activation of the one icon corresponding to the one widget, in response to detecting the activation of the one icon, allows a first menu portion of the one widget to be displayed, controls or causes display of a first menu associated with the one widget.
- In an embodiment, the processor when executing the executable instructions may, in response to detecting the activation of the one icon, allow a first menu portion of the one widget to be activated, detect activation of the first menu portion, and, in response to detecting the activation of the first menu portion, control or cause display of the first menu associated with the one widget.
- The processor when executing the executable instructions may, further in response to detecting the activation of the one icon, lock the one widget in position in a first widget space on the screen display.
- In accordance with a fourth aspect of the present invention, a processing device comprising a graphical user interface in an industrial vehicle is provided. The processing device comprises a screen display, memory storing executable instructions, and a processor in communication with the memory. The processor when executing the executable instructions defines one or more widgets, each widget comprising a visual representation of a current state of an associated function of the industrial vehicle, and controls or causes display of a rack height select (RHS) widget on a portion of the screen display defining one or more widget spaces, in which the RHS widget comprises a portion that changes state upon a related vehicle function being completed, e.g., a carriage assembly reaching a desired height. The outline of the RHS widget, defining the portion, may become one of darker, wider or both darker and wider upon a related vehicle function being completed, e.g., a carriage assembly reaching a desired height.
- In accordance with a fifth aspect of the present invention, a processing device comprising a graphical user interface in an industrial vehicle is provided. The processing device comprises a screen display, memory storing executable instructions, and a processor in communication with the memory. The processor when executing the executable instructions defines a plurality of widgets, in which each widget comprises a visual representation of a current state of an associated function of the industrial vehicle, controls or causes display of a subset of the plurality of widgets on a portion of the screen display defining a plurality of widget spaces, controls or causes display of an icon tray on the screen display comprising one or more icons, in which at least one of the one or more icons corresponds to a respective one of the plurality of widgets, detects activation of the one of the one or more icons corresponding to the one widget. The processor when executing the executable instructions, in response to detecting the activation of the one icon, moves the respective one widget to a predefined widget space, moves the respective one widget from the predefined widget space in response to an operator command, and moves the one widget back to the predefined widget space in response to a command related to a vehicle operation.
- The command related to a vehicle operation may comprise one of a command to activate a traction motor to effect vehicle movement or a command to lift or lower a carriage assembly.
- While the specification concludes with claims particularly pointing out and distinctly claiming the present invention, it is believed that the present invention will be better understood from the following description in conjunction with the accompanying Drawing Figures, in which like reference numerals identify like elements, and wherein:
-
FIG. 1A is a perspective view of an industrial vehicle in accordance with principles of the present disclosure; -
FIG. 1B is a top view of an operator's compartment of an industrial vehicle in accordance with principles of the present disclosure; -
FIG. 2A is a block diagram of an industrial vehicle computing enterprise in accordance with principles of the present disclosure; -
FIG. 2B is a block diagram of a special purpose processing device on an industrial vehicle in accordance with principles of the present disclosure; -
FIG. 3 is an illustration of the processing device ofFIG. 2B , implemented as a graphical user interface having a touch screen display and a corresponding vehicle operator control section in accordance with principles of the present disclosure; -
FIG. 4 is a block diagram of operational modules executed by a processor of the special purpose processing device ofFIG. 2B in accordance with principles of the present disclosure; -
FIG. 5 is a schematic diagram illustrating an array of widgets for display on a display screen of the processing device ofFIG. 3 in accordance with principles of the present disclosure; -
FIGS. 6A and 6B are schematic screen shots of the display screen of the processing device ofFIG. 3 in accordance with principles of the present disclosure; -
FIGS. 7A-7I are schematic screen shots of the display screen of the processing device ofFIG. 3 in accordance with principles of the present disclosure; -
FIGS. 8-11 are flowcharts of exemplary computer-implemented processes for defining and controlling display of one or more items on a display screen of a display and processing device, in accordance with principles of the present disclosure; and -
FIG. 12 is a block diagram of a computer processing system capable of implementing any of the systems, modules, or methods described herein, in accordance with principles of the present disclosure. - In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings that form a part hereof, and in which is shown by way of illustration, and not by way of limitation, specific preferred embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and that changes may be made without departing from the spirit and scope of the present invention.
- With reference to
FIGS. 1A and 1B , an exemplary industrial vehicle 100 (hereinafter “vehicle”) is shown. While the present disclosure is made with reference to the illustratedvehicle 100, which comprises a reach truck, it will be apparent to those of skill in the art that thevehicle 100 may comprise a variety of other industrial vehicles, such as a stock picker, a turret truck, a tow tractor, a rider pallet truck, a walkie stacker truck, a counterbalance forklift truck, etc. and the following description of the invention with reference to the figures should not be limited to a reach truck unless otherwise specified. Thevehicle 100 comprises a main body orpower unit 112 and one or more wheels, including a pair of fork-sidefirst wheels 160A, 160B coupled to a pair ofoutriggers 180A, 180B (only onefirst wheel 160A and oneoutrigger 180A are shown inFIG. 1A ) and a powered and steeredsecond wheel 120 located underneath aframe 114 of thepower unit 112. Anoverhead guard 130 comprises one or more vertically extending supports, such assupport structures frame 114, seeFIG. 1A ,structure 132B is not shown inFIG. 1B . - The
vehicle 100 further comprises aload handling assembly 140, which generally comprises amast assembly 142 and acarriage assembly 144. Themast assembly 142 is positioned between theoutriggers 180A, 180B and may comprise, for example, a fixedmast member 146 affixed to theframe 114 and nested first and secondmovable mast members vehicle 100 may comprise additional or fewer movable mast members than the twomembers FIG. 1A . Thecarriage assembly 144 may comprise, for example, a lifting carriage (not shown) vertically movable along themast assembly 142, afork carriage assembly 154 coupled to the lifting carriage for vertical movement with the lifting carriage and a fork structure coupled to thefork carriage assembly 154 comprising a pair offorks 156A, 156B (only onefork 156A is shown inFIG. 1A ) for carrying aload 116, such as a loaded pallet. Thefork carriage assembly 154 may comprise a base carriage (not shown) coupled to the lifting carriage and a support carriage (not shown) coupled to the base carriage, which is moveable laterally and may also pivot relative to the base carriage. Theforks 156A, 156B are coupled to the support carriage. Thecarriage assembly 144 is movable generally vertically along themast assembly 142 and may further comprise a reach assembly (not shown) positioned between the lifting carriage and thefork carriage assembly 154 for horizontally extending thefork carriage assembly 154 away from and toward themast assembly 142. - A battery (not shown), which is housed in a compartment within the
frame 114, supplies power to a traction motor (not shown) that is connected to thesecond wheel 120 and to one or more hydraulic motors (not shown). The hydraulic motor(s) supply power to several different systems, such as one or more hydraulic cylinders (not shown) for effecting generally vertical movement of themovable mast members mast member 146 and generally vertical movement of thecarriage assembly 144 relative to the secondmovable mast member 150 of themast assembly 142, as shown by arrow A inFIG. 1A ; generally longitudinal movement of the reach assembly (commonly referred to as “reach”), as shown by arrow B; generally transverse or lateral movement of the support carriage and theforks 156A, 156B relative to the base carriage (commonly referred to as “sideshifting”), as shown by arrow C; and pivotable movement of the support carriage andforks 156A, 156B relative to the base carriage. Hence, thecarriage assembly 144 moves relative to the secondmovable mast member 150 and also moves with the first and secondmovable mast members mast member 146. The traction motor and thesecond wheel 120 define a drive mechanism for effecting movement of thevehicle 100 across a floor surface. - An operator's
compartment 122 is located within themain body 112 for receiving an operator driving or operating thevehicle 100. The operator'scompartment 122 comprises a variety of control elements including one or more handles, knobs, levers, switches, buttons, sliders, encoders, and combinations thereof, along with one or more devices that display information to the operator and/or receive operator input. For example, atiller knob 124 is provided within the operator'scompartment 122 for controlling steering of thevehicle 100. Anarmrest 170 located adjacent to anoperator seat 128 comprises acontrol panel 126 for receiving input from the operator. In the embodiment shown inFIGS. 1A and 1B , thecontrol panel 126 on thearmrest 170 comprises a plurality offingertip levers 172 which, in the illustrated embodiment, may control carriage assembly (fork) raise/lower, fork tilt, fork sideshifting, fork extend or reach and the like. Thecontrol panel 126 may also comprise a switch (not labeled) for controlling a travel direction of the vehicle (forward or backward) and arotary control knob 162 for controlling a rack height select function, e.g., wherein the vehicle is programmed to define a set of fork stop locations for each of a plurality of rack beam heights in respective storage zones. Thecontrol panel 126 may also comprise one or more dual-axis control levers or a multifunction control handle (not shown) in place of, or in addition to, the fingertip levers 172. In embodiments in which thecontrol panel 126 comprises levers, the traction motor may be actuated by depression of a floor pedal (not shown). In a further embodiment, thecontrol panel 126 may include a one-click button or trigger switch (not shown) for controlling a rack height select function. In yet another embodiment, where a multifunction control handle (not shown) is used in place of the fingertip levers 172, a trigger switch may be provided on the multifunction control handle for controlling a rack height select function. In embodiments in which thecontrol panel 126 comprises a multifunction control handle, the traction motor may be actuated by operation of the multifunction control handle. - In the embodiment shown in
FIG. 1B , the power unit comprises aconsole 138 upon which may be mounted a display and processing unit 151 (also referred to herein as a “display unit”) comprising ascreen display 152 and a five-button keypad 164 comprising up, down, right, left, and enter buttons for entering information and commands, navigating through menus on thescreen display 152, making selections, etc., as described herein. As described herein, thescreen display 152 may be implemented as a touch screen (also referred to herein as a touch screen display). Therotary control knob 162 may be used in addition to, or in place of, one or more of the functions of the five-button keypad 164. The operator may press a tilt release lever orbutton 138A located on theconsole 138 to tilt thedisplay unit 151 toward or away from the operator. - In
FIG. 1B , the display andprocessing unit 151 is depicted as being located in front of the operator'sseat 128. However, thedisplay unit 151 may be placed at other locations in the operator'scompartment 122, so long as thedisplay unit 151 is easily viewed and accessed by the operator. For example, thedisplay unit 151 may be located in an area 166 (shown with dashed lines), which includes a dashboard area adjacent to theconsole 138. Thearea 166 also includes an optional extension of theconsole 138 along a right side of the operator'scompartment 122. Location of thedisplay unit 151 in thearea 166, for example, allows the operator easy access to thescreen display 152 and the five-button keypad 164 without moving his or her arm from thearmrest 170. - In some embodiments, the
display unit 151 may be mounted, for example, on one of thesupport structures vehicles 100, such as those designed to operate in cold storage, may include an enclosed cabin (not shown) comprising the operator'scompartment 122, and thedisplay unit 151 may be mounted elsewhere in the operator'scompartment 122, such as on one or more additional support structures (not shown). In other embodiments, thedisplay unit 151 may comprise a separate or standalone device, such as a tablet or laptop computer. In addition, although therotary control knob 162 is depicted inFIG. 1B as being located on thearmrest 170, therotary control knob 162 in some embodiments may be located elsewhere within the operator'scompartment 122, e.g., on the display unit 151 (seeFIG. 3 ). - Turning now to
FIG. 2A , a general diagram of an industrial vehicle computing enterprise comprising acomputer system 200 is illustrated in accordance with various aspects of the present disclosure. The illustratedcomputer system 200 is a special purpose (particular) system that operates in a manner that enables industrial vehicles, e.g.,vehicles 100, to communicate wirelessly across a computer enterprise. Thecomputer system 200 comprises a plurality of hardware processing devices (designated generally by reference numeral 202) that are linked together by one or more networks (designated generally by reference numeral 204). Thenetworks 204, which may comprise wired or wireless networks, provide communications links between thevarious processing devices 202 and may be supported by networkingcomponents 206 that interconnect theprocessing devices 202. Thenetworking components 206 may comprise, for example, routers, hubs, firewalls, network interfaces, wired or wireless communications links and corresponding interconnections, cellular stations and corresponding cellular conversion technologies (e.g., to convert between cellular and TCP/IP), etc. - The
processing devices 202 may comprise any device capable of communicating over therespective networks 204. In certain contexts and roles, theprocessing device 202 is intended to be mobile (e.g., a hardware-basedprocessing device 202 provided on the vehicles 100). In this regard, thevehicles 100 include aprocessing device 202 that may communicate wirelessly to thenetwork 204 to carry out the features described herein. Under such circumstances, thevehicles 100 may wirelessly communicate through one ormore access points 210 to acorresponding networking component 206. Thevehicles 100 may also be equipped with WiFi, cellular, or other suitable technology that allows theprocessing device 202 on thevehicles 100 to communicate directly with a remote device (e.g., over the network(s) 204). - The
illustrative computer system 200 also comprises a hardware server 212 (e.g., a web server, a file server, and/or other processing device) that supports ananalysis engine 214 and one or more corresponding data sources (designated generally by reference numeral 216). Theanalysis engine 214 anddata sources 216 may provide resources to one or more of theprocessing devices 202, including theprocessing devices 202 installed on thevehicles 100. - With reference to
FIG. 2B , anexemplary processing device 202 is described in detail. Theprocessing device 202 is equivalent to, and an exemplary embodiment of, theprocessing device 202 on thevehicle 100, as shown inFIG. 2A . Theprocessing device 202 inFIG. 2B is a special purpose, particular hardware computer, such as a device that mounts to or is otherwise integrated with thevehicle 100. Theprocessing device 202 may comprise one or more processors coupled to memory to carry out executable instructions stored in the memory. However, the execution environment of theprocessing device 202 is further tied into the native electronics of thevehicle 100, making it a particular machine different from a general purpose computer. - The
processing device 202 illustrated inFIG. 2B may be implemented as an information linking device that comprises the necessary circuitry to implement communication with a remote server (e.g.,server 212 inFIG. 2A ), data and information processing for processing vehicle data, and wired (and optionally wireless) communication to components of thecorresponding vehicle 100 to which theprocessing device 202 is mounted. In accordance with aspects of the present disclosure, the processing device 202 (also referred to as a display and processing device) may be implemented as amain module 218 and a service module 220, which couple together to create anintegrated processing device 202, e.g., the display and processing unit 151 (FIG. 3 ). The service module 220 (which also includes a graphical user interface module) is field-replaceable and may comprise part of the display andprocessing unit 151. The service module 220 comprises thescreen display 152, the five-button keypad 164, and the graphical user interface module defining any necessary data processing circuitry. In this regard, the service module 220 in conjunction with acontrol module 226, discussed below, define a graphical user interface for theprocessing device 202. It is also contemplated that themain module 218 and the service module 220 may not be integral such that themain module 218 is separate from thedisplay unit 151. - In some embodiments, the
processing device 202 is connected to atransceiver 222 for wireless communication. Although asingle transceiver 222 is illustrated inFIG. 2B for convenience, in practice, one or more wireless communication technologies may be provided (e.g., WiFi, Bluetooth®, and/or cellular). For example, thetransceiver 222 may be able to communicate with a remote server (e.g.,server 212 ofFIG. 2A ) via 802.11 across theaccess points 210 ofFIG. 2A . Thetransceiver 222 may also optionally support other wireless communication, such as radio frequency (RF), infrared (IR) or any other suitable technology or combination of technologies. For example, using a cellular-to-IP bridge (not shown), thetransceiver 222 may be able to use a cellular signal to communicate directly with a remote server, e.g., a manufacturer server (not shown). Thetransceiver 222 connects to theprocessing device 202 via a suitableelectrical connection 224, e.g., an Ethernet connection. However, thetransceiver 222 may connect to theprocessing device 202 using other suitable connections. Alternatively, thetransceiver 222 may be built-in or otherwise integral with theprocessing device 202. - The
processing device 202 also comprises data processing circuitry (illustrated generally as the control module 226) having a processor (μP) coupled to a memory for implementing executable instructions, including the relevant processes, or aspects thereof, as set out and described more fully herein. Thecontrol module 226 may also comprise other necessary processing circuitry and software, such as for implementing a display engine, camera processing engine, data processing engine(s), etc. In this regard, thecontrol module 226 may comprise additional support circuitry, e.g., video ports, camera ports, input/output ports, etc. Moreover, the memory may comprise memory that stores processing instructions, as well as memory for data storage, e.g., to implement one or more databases, data stores, registers, arrays, etc. Additionally, thecontrol module 226 implements processes such as operator login, pre-use inspection checklists, data monitoring, and other features, examples of which are described more fully in U.S. Pat. No. 8,060,400, the entirety of which is hereby incorporated by reference herein. - The
processing device 202 may also optionally comprise vehiclepower enabling circuitry 228 to selectively enable or disable thevehicle 100 and/or to selectively enable or disable select components or functions of thevehicle 100. In some embodiments, the vehiclepower enabling circuitry 228 may partially or fully enable thevehicle 100 for operation, e.g., depending upon a proper operator login, a particular vehicle condition, etc. For example, the vehiclepower enabling circuitry 228 may selectively provide power to components via a suitable power connection (not shown) or otherwise command certain vehicle components not to respond to vehicle operator control via vehicle messaging, e.g., across one or more vehicle communication busses. - Still further, the
processing device 202 comprises a monitoring input/output (I/O)module 230 to communicate via wired or wireless connection between thecontrol module 226 and one or more peripheral devices mounted to or otherwise associated with thevehicle 100, such as one or more cameras, sensors, meters, encoders, switches, etc. (not separately labeled; collectively represented by reference numeral 232). The monitoring I/O module 230 may optionally be connected to other devices, e.g.,third party devices 234, such as one or more RFID scanners, displays, meters, bar code scanners, cameras, or other devices to convey information to thecontrol module 226. - The
processing device 202 is coupled to and/or communicates with other vehicle system components via a suitablevehicle network system 236. Thevehicle network system 236 may comprise at least one wired or wireless network, bus, or other communications capability or combination thereof that allows electronic components of thevehicle 100 to communicate with each other. As an example, thevehicle network system 236 may comprise a controller area network (CAN) bus, ZigBee, Bluetooth®, Local Interconnect Network (LIN), time-triggered data-bus protocol (TTP), RS422 bus, Ethernet, universal serial bus (USB), other suitable communications technology, or combinations thereof. - As will be described more fully herein, utilization of the
vehicle network system 236 enables seamless integration of the components of thevehicle 100 with theprocessing device 202, and in particular, thecontrol module 226. By way of example, thevehicle network system 236 enables communication between thecontrol module 226 and a fob (via a fob reader 240), a keypad, a card reader, or any other suitable device for receiving operator login identification, as well as one or more native vehicle components, such as a vehicle control module, controllers (e.g., traction controller, hydraulics controller, etc.), modules, devices, bus-enabled sensors, displays, lights, light bars, sound generating devices, headsets, microphones, haptic devices, etc. (designated generally by reference numeral 238). Thecontrol module 226 may also facilitate the communication of information from any electronicperipheral devices 232 orthird party devices 234 associated with the vehicle 100 (e.g., via the monitoring I/O module 230) that integrate with and communicate over thevehicle network system 236. - Referring now to
FIG. 3 , an example display andprocessing unit 151 is illustrated. As noted above, thedisplay unit 151 can implement functions and/or features of the display andprocessing device 202 ofFIG. 2B . As described herein, thedisplay unit 151 may be used in or with an industrial vehicle, e.g.,vehicle 100, and may be mounted to thepower unit console 138, as noted above, or otherwise integrated with thevehicle 100. It will be apparent to those of skill in the art that thedisplay unit 151 may also be used with other types of vehicles, e.g., automobiles, etc., and in other non-vehicular settings. - The
display unit 151 comprises ahousing 304 having afront face 306 defining adisplay section 308 comprising thescreen display 152 and a vehicleoperator control section 310. Thescreen display 152 within thedisplay section 308 may comprise, for example, an LCD screen, a light emitting diode (LED) screen, a plasma screen, etc. Thescreen display 152 may comprise any known technology, e.g., a touch screen display, so as to receive and respond to gesture commands, e.g., implemented by the operator directly touching or tapping thetouch screen display 152, pressing against or releasing from thetouch screen display 152, swiping, sliding, or rotating a finger along or across thetouch screen display 152, and performing other touch gesture functions or combinations thereof. The terms “gesture command” and “touch gesture command” also include gesture commands that do not require direct physical contact with thescreen display 152 such as when an operator moves a finger adjacent to but spaced a small distance from thetouch screen display 152 in a swiping, sliding, rotating or other motion. - The vehicle
operator control section 310 may comprise one or more physical input control elements, such as buttons, switches, sliders, encoders, knobs, etc., that are used to receive operator input, e.g., making selections on thetouch screen display 152. One or more multifunction control handles, keypads, keyboards (not shown), or combinations thereof may be provided in place of the vehicleoperator control section 310. As shown inFIG. 3 , the vehicleoperator control section 310 comprises the five-button keypad 164 including an updirection button 164A, aright direction button 164B, aleft direction button 164C, adown direction button 164D, and anenter button 164E. The vehicleoperator control section 310 may optionally comprise one or more additional input elements or devices, such as arotary control knob 164F, which may be used in conjunction with or in place of therotary control knob 162 located on the armrest (seeFIG. 1B ) and may perform similar functions. - Referring generally to
FIGS. 2B and 3 , thecontrol module 226 comprises a hardware processor coupled to physical memory and is capable of carrying out computer-executed processes in a hardware system. In this regard, the processes, architectures, and organizations described herein may be implemented on computer-readable hardware that stores machine-executable program code, where the program code instructs the processor to implement the described features. The processor of thecontrol module 226 executes the program code stored in the memory to implement a graphical user interface control architecture that transmits information to and receives information from the graphical user interface module of the service module 220. In particular, thecontrol module 226 provides several distinct control functions that impact the manner in which the service module 220 presents and receives information via thetouch screen display 152 when interacting with the vehicle operator. For example, as described herein, the processor of thecontrol module 226 may define one or more widgets and/or one or more icons and may control or cause thetouch screen display 152 to display one or more of the widgets and/or icons. - With reference to
FIG. 4 , a logical organization of software code stored in memory that is controlled, read and manipulated by thecontrol module 226 to effect control of the service module 220 by thecontrol module 226, whichmodules 220 and 226 define the graphical user interface of theprocessing device 202, is illustrated. The features inFIG. 4 are set out in simplified block diagram form and may be executed by thecontrol module 226 ofFIG. 2B (e.g., a microprocessor coupled to memory), and comprises a graphical user interface (GUI)controller module 402 that controls a plurality of sub-algorithms (modules) that affect the manner in which the processing device 202 (FIG. 2B ) interacts with the operator. In this regard, theGUI controller module 402 communicates with each sub-algorithm/module and further communicates with the graphical user interface module of the service module 220 (FIG. 2B ) to present information to the operator via a display screen, e.g., the touch screen display 152 (FIG. 3 ), and to receive information from the operator, e.g., via touch/gesture controls received through touching thetouch screen display 152 and/or interacting with one or more physical control elements in the vehicleoperator control section 310 of the display unit 151 (FIG. 3 ) or the control panel 126 (FIG. 1B ). - In embodiments in which the
screen display 152 comprises a touch screen, theGUI controller module 402 receives and processes touch gesture commands when the operator touches thetouch screen display 152, such as touch, tap, press, release, swipe, scroll, etc. Received touch gesture commands may comprise, for example, a first touch gesture command implemented as an up swipe gesture command, a second touch gesture command implemented as a right swipe gesture command, a third touch gesture command implemented as a left swipe gesture command, a fourth touch gesture command implemented as a down swipe gesture command, and a fifth touch gesture command implemented as a select gesture command (e.g., pressing and releasing, tapping, etc.). - In other embodiments, the
GUI controller module 402 receives and processes operator input from one or more of the control elements in the vehicleoperator control section 310 of the display unit 151 (FIG. 3 ). TheGUI controller module 402 may implement a set of controls that comprise hardware control equivalents to the touch gesture commands recognized by thetouch screen display 152. For example, theGUI controller module 402 may process a first control designated as an “up” control (e.g., via the operator pressing theup direction button 164A ofFIG. 3 ), a second control designated as a “right” control (e.g., via the operator pressing theright direction button 164B), a third control designated as a “left” control (e.g., via the operator pressing theleft direction button 164C), a fourth control designated as a “down” control (e.g., via the operator pressing thedown direction button 164D), and a fifth control designated as a “select” control (e.g., via the operator pressing theenter button 164E). The various controls may also be implemented on a single input device, e.g., a keypad or a rotary control knob, or via additional separate control elements. - In this regard, the control module 226 (
FIG. 2B ), e.g., implemented as theGUI controller module 402, is communicably connected to the touch screen display 152 (FIG. 3 ), as described herein. Thecontrol module 226 detects interactions with thetouch screen display 152 and/or one or more of the control elements in the vehicleoperator control section 310 or therotary control knob control module 226 maps the up swipe gesture command on the touch screen display 152 (e.g., the operator places a finger on thetouch screen display 152 and swipes upward) and operation of the down control to a same first graphical user interface command. Thecontrol module 226 maps the right swipe gesture command on the touch screen display 152 (e.g., the operator places a finger on the touch screen display and swipes to the right) and operation of the left control to a same second graphical user interface command. Thecontrol module 226 likewise maps the left swipe gesture command on the touch screen display 152 (e.g., the operator places a finger on the touch screen display and swipes to the left) and operation of the right control to a same third graphical user interface command. Thecontrol module 226 also maps the down swipe gesture command on the touch screen display 152 (e.g., the operator places a finger on thetouch screen display 152 and swipes downward) and operation of the up control to a same fourth graphical user interface command. Thecontrol module 226 yet further maps the select gesture command on the touch screen display 152 (e.g., touch, press, release, etc.) and operation of the select control to a same fifth graphical user interface command. These graphical user interface commands may vary in function depending upon what is currently being displayed on thedisplay 152, examples of which are described in greater detail herein. - The
control module 226 may similarly map operator commands associated with therotary control knob control module 226 maps rotation of therotary control knob control module 226 maps rotation of therotary control knob rotary control knob - The up and down commands or controls may be used to navigate vertically, e.g., up and down within various menus provided in the
screen display 152 of the display unit 151 (FIG. 3 ), as described herein in detail. The up and down commands or controls may also be used to scroll up and down in an image that is too large to display in its entirety in the area of thescreen display 152, to increment and decrement a value that the operator provides as an input, etc. The right and left commands or controls may be used to navigate laterally, e.g., to scroll across the widgets and to expose additional widgets; scroll through, drill into, and back out of multilayer menus; scroll to the right or left of an image that is too large to fit in the area of thescreen display 152; modify data entry values, etc. Moreover, a combination of the up and down commands or controls, as well as the right and left commands or controls, may be used to scroll across text or other data that is too large to fit in the area of thescreen display 152. Operation of the “select” command or control enables the operator to, for example, execute an enter command, select or activate a menu option, accept a value, trigger an action, clear a message, set or stop a timer, or otherwise interact with the information displayed via thedisplay unit 151. - The redundancy of the commands and controls generated by touching the
touch screen display 152, and using the corresponding control elements (e.g.,buttons 164A-164E inFIG. 3 ) in the vehicleoperator control section 310 facilitates operation of thedisplay unit 151, even in harsh environments. For example, some operators must wear gloves, such as during operation in refrigerated areas of a warehouse. Moreover, the positioning of thebuttons 164A-164E in close proximity (e.g., on the same housing) to thetouch screen display 152 facilitates operator interaction by keeping the operator consistently focused in a common area regardless of interaction with thetouch screen display 152 or tactile control elements (e.g., buttons) when interacting with thedisplay unit 151. Thus, in this configuration, thebuttons 164A-164E are co-located with, for example, thetouch screen display 152. - The
GUI controller module 402 also facilitates customization of the user interaction experience. For example, theGUI controller module 402 communicates with auser management module 404 and asystem management module 406. Auser management module 404 may store personalized settings that are passed from the control module 226 (FIG. 2B ), such as in response to an operator logging into acorresponding vehicle 100 using a fob via the fob reader 240 (FIG. 2B ), or via logging onto thevehicle 100 using thedisplay unit 151. Thesystem management module 406 may be utilized to control the allowable operator-specific settings, e.g., by limiting, disabling, enabling, etc., features. In an illustrative example, theuser management module 404 may be used to store a vehicle operator performance or skill level, a theme preference, a language preference, unit measurement preference (e.g., metric or English), widget arrangement, etc. A generic template may be provided where there is no customization data available for a specific vehicle operator. In a further illustrative example, thesystem management module 406 limits and controls the ability of the vehicle operator to configure themes, language preference, widget arrangement, widget customization, etc. One or more of these features may be temporarily overridden or permanently locked out, e.g., by a system supervisor, from appearing as a user settable parameter. For example, the available themes may be set or limited based upon a vehicle operator level, truck level, company level, etc., and may be temporarily overridden for certain vehicle-specific functionality, e.g., to provide an inspection checklist, to provide certain diagnostic information, etc. - The
GUI controller module 402 further communicates with avehicle management module 408. Thevehicle management module 408 stores and controls information about thespecific vehicle 100 on which the processing device 202 (FIG. 2B ) is installed. For example, thevehicle management module 408 may comprise information about a maximum fork height, maximum weight, battery charge, or other vehicle-specific characteristics. - The
GUI controller module 402 still further communicates with alanguage format module 410, which may be used to set a preferred language for the display of text on the screen display 152 (FIG. 3 ). In particular, thelanguage format module 410 manages the strings that are to be translated and pushed to thescreen display 152, as well as the font, text alignment, direction, and other features that affect readability of the desired information by the operator. TheGUI controller module 402 still further communicates with acommunication module 412, which controls the communication of theGUI controller module 402 with other vehicle controllers, modules, devices, sensors, third party devices, etc., as set out inFIGS. 2A and 2B . - The
GUI controller module 402 further communicates with amessage system module 414. Themessage system module 414 may control the messaging that is presented to the operator, as well as the manner in which the messaging is presented to the operator. For example, a message may be displayed across a portion of thescreen display 152, e.g., across a bottom third, across one widget space (606, 608 inFIG. 6A ), or across the entire screen display 152 (FIG. 3 ). TheGUI controller module 402 also communicates with adashboard module 416. Thedashboard module 416 controls icons, the icon order, widgets, the widget order, and the menu systems that are presented on thescreen display 152. Thedashboard module 416 is also responsible for screen management, e.g., storing the current screen, next screen, previous screen, etc., and for tracking the menus, calibration, checklists, icon display, widget display, messaging, text and video messaging, etc. TheGUI controller module 402 further communicates with a user I/O module 418 to translate inputs provided by the operator into instructions that are interpreted to facilitate a vehicle operator interaction experience when interacting with the graphical user interface module of the service module 220 (FIG. 2B ), which may be implemented as part of the display unit 151 (FIG. 3 ). For example, the user I/O module 418 may process input received via touch gesture commands from the operator touching thetouch screen display 152, via the physical control elements in the vehicleoperator control section 310 or via the control panel 126 (FIG. 1B ). - In accordance with aspects of the present disclosure, the
screen display 152 may be utilized to display one or more widgets, each of which is defined by an application program forming part of thedashboard module 416 that provides a visual representation on thescreen display 152. In an embodiment, computer instructions are provided in the form of an application program stored in memory that instructs the processor of thecontrol module 226 what a particular widget looks like, how it behaves and how it responds to operator actions and/or vehicle-related information. The visual representation provides information to the operator and allows the operator to interface with thecontrol module 226. For example, widgets may provide visual representations of a current state of one or more associated vehicle features, functions, or operations (e.g., a battery charge, a current vehicle speed, etc.) and/or one or more ancillary conditions (e.g., environmental condition such as the current time). In an exemplary embodiment, widgets may be used to represent the current state of the vehicle speed, fork height, load weight, battery charge, clock, stop watch, odometer, trip meter, hour meter, time, and date. - In this regard, the widgets represent “live” or real-time data. With reference to
FIGS. 2A and 2B , the current state of data values may be obtained, for example, by the processor of thecontrol module 226 communicating with (e.g., querying, polling, reading from, etc.) one or more vehicle control modules, sensors, etc. (e.g., one or more electronic peripheral devices 232) across thevehicle network system 236, via the monitoring I/O module 230, or a combination thereof. The current state data may also be ascertained by polling or otherwise querying a remote server, e.g., theserver 212, which extracts relevant data from thedata sources 216, e.g., a vehicle data repository, and communicates that relevant data back to thecontrol module 226. Furthermore, thecontrol module 226 may read the current state from a designated memory on thevehicle 100, e.g., a master state data repository (not labeled). For example, a process on the vehicle 100 (e.g., a process executed by the controller/processor in the control module 226) may be tasked with cyclically collecting and refreshing vehicle state information in the designated memory, e.g., every 100 milliseconds or less. The designated memory thus defines a vehicle state lookup table that may be accessed to make decisions based on a current operating state of thevehicle 100. The current state data may also include data regarding the vehicle operator performance or skill level. - By way of example, by continually data logging operator-based performance and/or vehicle operation data, one or more of the widgets may provide a dashboard view of key vehicle and/or operator performance measures. In this regard, the overall data provided in a widget need not be limited to data collected by or stored in a specific vehicle. In some embodiments, one or more of the widgets may reflect all of the relevant vehicle data associated with the logged in operator, regardless of which vehicle the operator is currently operating. In other embodiments, one or more of the widgets may tie into third party databases to display other information, such as operational information, messages, information from a warehouse management system, feeds (such as from news, sports, and weather), etc. Thus, the
processing device 202 is communicably connected to a communications device (e.g., the transceiver 222) such that theprocessing device 202 receives from a remote server (e.g., the server 212), information that is not extracted from thevehicle 100. - With reference to
FIG. 5 , the widgets may be organized into anarray 500. Thearray 500 dictates, for example, which widgets will be presented on the screen display 152 (FIG. 3 ) and the order in which the widgets will be presented. For example, a first widget 502(1) is designated as a leftmost widget, followed by widgets 502(2), 502(3) . . . 502(N), in which N is any reasonable number. The vehicle operator may add as many widgets as are available or as are limited via preferences set in the user management module 404 (FIG. 4 ). Moreover, the operator may rearrange the order of presentation of the widgets so that the widgets are ordered as desired, as described herein. One or more widgets, e.g., widgets 502(1) and 502(2), may be used to set a “Home Screen,” which may be displayed as a default or to which the operator may return. The Home Screen may, for example, display the two widgets representing the most important features for the operator. The widgets may also be configured and ordered from thescreen display 152, e.g., via input from the operator, or the widgets may be set or preset by the system supervisor or via a remote computer, which wirelessly sends the widgets and widget order to thevehicle 100, such as through the remote server 212 (FIG. 2A ). - Referring now to
FIGS. 6A and 6B , anexemplary display screen 600 is illustrated, which may be implemented as a touch screen. Thedisplay screen 600 is an example of a graphical user interface display, which may be presented by thescreen display 152 of the display unit 151 (FIG. - 3). The
display screen 600 may be conceptually broken down into several sections comprising amenu selection section 602, a first dockedstatus tray 604A, a second dockedstatus tray 604B, and one or more widget spaces, which are illustrated as afirst widget space 606 and asecond widget space 608. Although thedisplay screen 600 is depicted herein as comprising one menu selection section, two status trays, and two widget spaces, it will be apparent to those of skill in the art that different configurations of thedisplay screen 600 are possible. For example, the upper portion of thedisplay screen 600 may comprise only one status tray or three or more status trays. In addition, thedisplay screen 600 may comprise three or more widget spaces. However, a size of thedisplay screen 600 may dictate the number of available widget spaces and/or status trays. - As shown in
FIG. 6B , themenu selection section 602 may be used to access a menu, e.g., a drop downmenu 602 a, relating to one or more general vehicle settings and to the general operation and appearance of thedisplay screen 600. Selection of one of the options in the drop downmenu 602 a may result in the display of one or more sub-menus (not shown) with additional options related to the selected option. One or more of the options in the drop-down menu 602 a and/or sub-menu(s) may comprise an associated number or value (not shown) that may be viewed and/or changed by clicking or selecting on the option. The operator may access themenu 602 a or sub-menu(s) and make selections as described herein. In some embodiments (not shown), themenu 602 a may be displayed over bothwidget spaces - One status tray, e.g., the
first status tray 604A, or a portion thereof may be used to display information such as one or more identifiers related to the operator, the vehicle, the vehicle owner, etc. One status tray, e.g., thesecond status tray 604B, or a portion thereof may comprise an icon row or an icon tray that is used to dock a predetermined number of system status icons (730 inFIG. 7A ). The first andsecond widget spaces exemplary display screen 600 shown inFIGS. 6A and 6B , two widgets N-2, N-3 are displayed, e.g., according to the order set by the array 500 (FIG. 5 ). Thus, because widget N-2 is displayed in thefirst widget space 606, widget N-3 is displayed in thesecond widget space 608. Moving the widgets to the right would shift widget N-2 into thesecond widget space 608 and a new widget, widget N-1, into the first widget space 606 (not shown). Likewise, moving the widgets to the left would shift the widget N-3 into thefirst widget space 606 and widget N-4 into the second widget space 608 (not shown). This process may continue so that the operator may scroll through all of the assigned widgets in thearray 500. At widget N-1 and N-N, the scrolling may stop or wrap around to the next adjacent widget in thearray 500. - An optional
widget position indicator 610 may be utilized to illustrate the number and position of the displayed widgets within thearray 500. In the embodiment shown, thewidget position indicator 610 comprises circles, but in other embodiments (not shown) thewidget position indicator 610 may comprise another shape, e.g., squares, triangles, etc. A number of circles 610(1) . . . 610(N) may correspond to a number of widgets available within thearray 500, seeFIGS. 6A and 6B . For example, as shown inFIG. 7B , there are nine widgets available for display, as indicated by circles 610(1) to 610(9). InFIGS. 6A and 6B , a portion or subset of the available widgets, e.g., widgets N-2 and N-3, is displayed on thedisplay screen 600, and thewidget position indicator 610 may also indicate a current position of the displayed widgets N-2, N-3 within thearray 500. For example, widgets N-2 and N-3 are the second and third widgets in the array, as indicated by the second and third circles 610(2), 610(3) in thewidget position indicator 610 being solid. The remaining widgets, i.e., widgets N-1 and N-4 to N-N are off thedisplay screen 600, as indicated by the corresponding first and fourth through Nth circles 610(1), 610(4)-610(N) being open. - With reference to
FIGS. 7A-7C , several aspects of the general functionality of thescreen display 152 of the display unit 151 (FIG. 3 ) will be discussed in detail. Anexemplary display screen 600, which may be implemented as a touch screen, is illustrated and may comprise an example of a graphical user interface display, which may be presented by thescreen display 152. Although reference is made to elements and features of particular icons and widgets, those of skill in the art will appreciate that the described elements and features are not limited to these particular icons and widgets. In addition, labeling of some elements is omitted for clarity. - As shown in
FIG. 7A ,display screen 600 is conceptually broken down into amenu selection section 602, afirst status tray 604A, and asecond status tray 604B, as represented by the dashed lines. Thefirst status tray 604A comprises one ormore identifiers 720, such as the operator's name, e.g., “J. SMITH,” the name of another person actively logged into the vehicle, a vehicle name, a company name, a location, etc. Thesecond status tray 604B comprises an icon tray with one or moresystem status icons 730. Thefirst widget space 606 comprises a capacity data monitoring (CDM)widget 740, and thesecond widget space 608 comprises aspeedometer widget 750. Thewidget position indicator 610 indicates that there are nine widgets available for display and that the CDM andspeedometer widgets array 500 of widgets (FIG. 5 ), as indicated by the first and second circles 610(1), 610(2) being solid and the remaining circles 610(3) to 610(9) being open. - Each
icon 730 corresponds to a current state of an associated vehicle feature, function, or operation or an ancillary condition. For example, theicons 730 depicted inFIG. 7A comprise a rack height select (RHS)icon 730A, a steer wheel/traveldirection indicator icon 730B, aperformance icon 730C, amessaging icon 730D, abattery condition icon 730E, and aclock icon 730F. In some embodiments, one or more of theicons 730 displayed in thesecond status tray 604B may be locked or fixed in position on thedisplay screen 600, e.g., in the icon tray, and may be changed, for example, only by a system supervisor or fleet manager. For example, in some embodiments, theRHS icon 730A may be activated or inactivated by the operator, as described herein, but may be removed or otherwise altered only by the system supervisor or fleet manager. One or more of theicons 730 may comprise an indicator that provides a visual representation of the current state of the associated vehicle feature, function, or operation or ancillary condition. For example, the steer wheel/traveldirection indicator icon 730B comprises an arrow within a circle (not separately labeled) indicating a general steer wheel/travel direction within a 360° plane, themessaging icon 730D comprises a message bubble with a “1” to indicate that the operator has one message, thebattery icon 730E displays “86” to indicate that the battery charge is currently 86%, etc. Thus, the operator may use theicons 730 to quickly determine the current state of the corresponding vehicle features, functions, or operations or ancillary conditions, without the need to display a corresponding widget in one of thewidget spaces - In some embodiments, at least one of the
icons 730 corresponds to a respective one of the widgets. The corresponding widget may be displayed in one of thewidget spaces FIG. 5 ) but is currently off thedisplay screen 600. For example, as shown inFIGS. 7A and 7B , theRHS icon 730A corresponds to anRHS widget 760, which is off the screen inFIG. 7A and is displayed in thefirst widget space 606 inFIG. 7B . Alternatively, the corresponding widget may be installed on thevehicle 100, i.e., stored in memory, but is not currently in thearray 500 of widgets available for display. In a particular embodiment, the last widget in the array may comprise an “add” widget (not shown) that, when touched or selected, displays a menu as described herein that lists additional available widgets for selection and insertion into thearray 500. In other embodiments, one or more of theicons 730 may not include a corresponding widget. For example, theclock icon 730F may not include a corresponding widget. Each icon may be defined by an application program (similar to the widget application program) forming part of thedashboard module 416 that provides a simple visual representation on thescreen display 152. - In an embodiment, computer instructions are provided in the form of an application program stored in memory that instructs the processor of the
control module 226 what a particular icon looks like, how it behaves and how it responds to operator actions and/or vehicle-related information. - In further embodiments, one or more of the
icons 730 may appear only when a particular condition is satisfied or occurs. For example, themessaging icon 730D may appear in thesecond status tray 604B only upon receipt of a new message, and a maintenance icon (not shown) may appear only upon receipt of an indication of a problem with a vehicle component or system. In yet further embodiments, one or more of theicons 730 may be removed from thesecond status tray 604B when a particular condition is satisfied or occurs. - The
performance icon 730C may be used to set a vehicle mode (e.g., training, economy, or full performance mode). - In some embodiments, selection or activation of one of the icons locks the corresponding widget into place on the
display screen 600 in a designated or “locked” widget space. As used herein, “activation” is intended to comprise touching, tapping, clicking, or otherwise selecting a portion of the display screen where the icon is located using one or more touch gestures and/or one or more physical control elements, such as the physical control elements found in the vehicle operator control section 310 (FIG. 3 ) or the control panel 126 (FIG. 1B ), e.g., therotary control knob 162 or trigger switch (not shown). For example, upon thetouch screen 600 sensing an operator touching or tapping the corresponding portion of thetouch screen 600 where the icon is located, the icon becomes activated. The activated icon becomes deactivated when an operator touches or taps the corresponding portion of thetouch screen 600 where the activated icon is located. The locked widget space may comprise any one of the widget spaces, e.g., the first or thesecond widget space - However, the widget corresponding to the activated icon may be located in one of the other widget spaces or may be off the
display screen 600. In some embodiments, the widget corresponding to the activated icon may not be in the array 500 (FIG. 5 ) of widgets currently available for display on thedisplay screen 600 but is installed on thevehicle 100, i.e., stored in memory. In all cases in which the corresponding widget is not currently displayed in the locked widget space, the remaining widgets may be shifted to the right or left to allow the corresponding widget to move to the locked widget space. In some embodiments, the movement of the corresponding widget and shifting of the remaining widgets may occur automatically upon detecting activation of the icon such that the corresponding widget immediately moves to the locked widget space and becomes locked in position. In other embodiments, the remaining widgets will be shifted only upon detection of a touch gesture or actuation of one or more control elements following activation of the icon. In further embodiments, selection of an icon and movement of the corresponding widget into the locked widget space may automatically reorganize thearray 500 of widgets to place the widget corresponding to the selected icon in the first position in thearray 500, e.g., the first widget 502(1). In yet further embodiments, activation of an icon for a widget that is not currently in thearray 500 and display of the widget on thedisplay screen 600 upon activation of the corresponding icon may also result in the introduction of an additional circle (not shown) in thewidget position indicator 610 to indicate the presence of the additional widget. - For example, with reference to
FIGS. 7A and 7B , theCDM widget 740 inFIG. 7A is located in thefirst widget space 606, and thespeedometer widget 750 is located in thesecond widget space 608. InFIG. 7B , theRHS icon 730A′ has been activated, and thecorresponding RHS widget 760 has been moved into a locked widget space, e.g., thefirst widget space 606 at the leftmost side of thedisplay screen 600. The remainingwidgets CDM widget 740 has been shifted into thesecond widget space 608 inFIG. 7B and thespeedometer widget 750 has been moved off thedisplay screen 600 to the right. - One or more characteristics of a visual appearance of the activated icon may be altered upon activation. For example, as shown in
FIG. 7B , the activatedRHS icon 730A′ is underlined 735. Alternatively, or in addition to the underlining 735, a box (not shown) may appear around the activated icon and/or a color or appearance of one or more portions of the activated icon may change (not shown). For example, the text “RHS” in the activatedRHS icon 730A′ may be changed to italics and/or may be changed from a default color to another color (e.g., from white to orange upon activation) or a combination thereof to clearly indicate to the operator that the icon has been activated. In addition, a portion of the background of the activated icon may also change color or appearance upon activation (not shown). - In addition, one or more characteristics of the
widget position indicator 610 may be altered to indicate that a widget has been locked into place in the locked widget space. For example, as shown inFIG. 7B , the first circle 610(1)′ in thewidget position indicator 610 is changed, for example, from solid black, as indicated inFIG. 7A , to a different color (e.g., orange) to indicate that the corresponding widget has been locked into place. A background pattern, shape (not shown), or other characteristic of the widget position indicator or combinations thereof may also be changed to indicate that a widget has been locked into place. Where the locked widget space comprises thesecond widget space 608 or another widget space, one or more characteristics of the corresponding circle 610(2) . . . 610(N) in thewidget position indicator 610 may also be changed (not shown). - Prior to activation of an icon and locking of the corresponding widget into the locked widget space, the operator may scroll through the widgets using one or more touch gestures and/or one or more physical control elements, as described herein, and the widgets in both widget spaces will change as the operator cycles through the array 500 (
FIG. 5 ). In some embodiments, the operator may change a widget's current position in thearray 500 by pressing and holding on the widget and dragging and dropping the widget to the desired location (not shown). After activation of an icon and locking of the corresponding widget into the locked widget space as shown, for example, inFIG. 7B , only the widgets in the remaining widget space(s) may be changed by scrolling. For example, following activation of theRHS icon 730A′ and locking of theRHS widget 760 in the locked (first)widget space 606 inFIG. 7B , the operator scrolls to the left through the remaining widgets, which generates thedisplay screen 600 shown inFIG. 7C . Thespeedometer widget 750, which was previously off thedisplay screen 600 to the right, moves back into thesecond widget space 608. Because theRHS widget 760 is now locked into place in thefirst widget space 606, theCDM widget 740 moves off thedisplay screen 600 to the left. In thewidget position indicator 610, the first circle 610(1)′ corresponding to theRHS widget 760 remains orange. The second circle 610(2), which now corresponds to theCDM widget 740 is open, as theCDM widget 740 has moved off thedisplay screen 600, and the third circle 610(3), which now corresponds to thespeedometer widget 750, is solid. - In some embodiments, activation of an icon may move the corresponding widget to a predefined widget space but does not lock the widget in place. For example, activation of the
RHS icon 730A may cause theRHS widget 760 to move into a predefined widget space, e.g., thefirst widget space 606 as shown inFIG. 7B , but the operator may then scroll through the widgets as before, i.e., theRHS widget 760 may be moved off the screen (not shown) in response to an operator command to move the widget. Receipt of an operator command related to a vehicle operation may cause the corresponding widget to immediately move back to the predefined widget space. For example, if the operator has moved theRHS widget 760 off thedisplay screen 600, receipt of a command to activate the traction motor to effect vehicle movement or receipt of a command to lift or lower the carriage assembly 144 (FIG. 1A ) or actuation of the trigger switch (not shown) may cause theRHS widget 760 to move back to thefirst widget space 606. In other embodiments, receipt of an operator command related to a vehicle operation may cause a corresponding widget to move to a predefined widget space. For example, receipt of a command to lift or lower the carriage assembly 144 (FIG. 1A ) or actuation of the trigger switch (not shown) may cause theRHS widget 760 to move into the first widget space, as shown inFIG. 7B . - In all embodiments, movement of the corresponding widget to a locked or a predefined widget space on the
display screen 600 in response to a particular operator command may save time for the operator and help to increase productivity, as there is no need for the operator to manually search for the appropriate widget and/or move the widget back onto thedisplay screen 600 if the operator has navigated away from the widget. Thus, theprocessing device 202 disclosed herein, as implemented, for example, in thedisplay unit 151, provides a smart and flexible user interface that ensures that the operator receives the most relevant information at the correct time with the least operator input. - In additional embodiments, upon movement of a widget into a predetermined widget space (by scrolling, by activation of the corresponding icon, etc.), a message (not shown) related to the widget may optionally be displayed. If the predetermined widget space is, for example, the
first widget space 606, the message may be temporarily superimposed over thesecond widget space 608 and may appear only when a predefined condition is met. For example, if a battery condition widget (not shown) is moved into thefirst widget space 606 and the battery charge is below a certain level, a message, e.g., “Low Battery,” may appear to alert the operator that the battery may need to be changed soon. In addition, if the operator moves thespeedometer widget 750 into thefirst widget space 606, a message, e.g., “Speed Too High,” may appear if the operator is exceeding a speed limit. - In further embodiments, the
control module 226, which is communicably coupled to one or more vehicle system modules via the vehicle network system 236 (FIG. 2B ), may extract data related to a current vehicle state, as described herein, and use this data to alter a display of the widgets and/or icons on thedisplay screen 600. For example, display unit 151 (FIG. 3 ) may be configured to have one or more “home” positions and/or “home” screens that each display one or more widgets that are relevant to a current vehicle state or a current task. These features help to ensure that the vehicle operator has ready access to the information that is most relevant to the current task without the need to search through all of the widgets available on thevehicle 100, which may help to increase operator productivity. - In some particular embodiments, the
control module 226 extracts from a traction control module (not shown), directly or via a memory or current vehicle state lookup table, an indication as to whether the traction control is engaged. If the current operating state of the traction control module indicates that the traction controls are engaged, thecontrol module 226 causes the display screen to “snap” back to a designated “home” position, such as the first two widgets in the array 500 (FIG. 5 ). In addition, when traveling, thedisplay screen 600 may also automatically change to a “motion home screen” that shows relevant travel-related widgets, such as thespeedometer widget 750. - In other particular embodiments, the
control module 226 extracts from a hydraulic valve control module (not shown) an indication as to whether theforks 156A, 156B (FIG. 1A ) are engaged in a lift operation on thevehicle 100. Where the current operating state indicates that theforks 156A, 156B are engaged in a lift operation, thecontrol module 226 causes thedisplay screen 600 to snap to a designated “lift” home position or “lift home screen” having relevant widgets, such as theCDM widget 740 and theRHS widget 760. - In yet further embodiments, the
control module 226 may use the extracted data related to the current vehicle state to selectively disable operation of one or more portions of thedisplay unit 151. Thedisplay screen 600 may continue to display the current state of one or more vehicle features, functions, or operations, but the touch layer may be fully or partially disabled such that thedisplay screen 600 is unresponsive to touch gesture commands. Thecontrol module 226 may also optionally disable one or more of the control elements in the vehicle operator control section 310 (FIG. 3 ). These features may help to reduce operator distraction and increase operator productivity by ensuring that the vehicle operator remains focused on the current task. - In some particular embodiments, if the current operating state of the traction control module indicates that the traction controls are engaged, as described herein, the
control module 226 may lock thedisplay screen 600 so that the operator cannot scroll through other widgets or otherwise leave the home position. - In other particular embodiments, the
control module 226 extracts a speed of thevehicle 100 based upon information received from the vehicle network bus, e.g., a vehicle network system 236 (FIG. 2B ) and selectively disables one or more portions of thedisplay unit 151. For example, all touch gesture commands may be disabled if thecontrol module 226 determines that the vehicle speed is above a threshold speed. When thecontrol module 226 determines that the speed of thevehicle 100 is below the threshold speed, thecontrol module 226 may enable full operation of thedisplay unit 151, e.g., one or more of the widgets displayed on thedisplay screen 600 may be changed. - In yet further particular embodiments, the display of the icons and/or widgets on the
display screen 600 may be customized based on static vehicle information, such as a vehicle type (e.g., forklift vs. stock picker), a vehicle model, etc., and/or one or more operator-based metrics, such as a current level of completion of a task (e.g., percentage of picks per shift), an operator skill or performance level, a level of correct vehicle operation or environmental behaviors, etc. For example, less skilled operators may benefit from the constant display of the icons and/or widgets corresponding to a steer wheel/travel direction 730B and avehicle speed 750, while more skilled operators may wish to monitor different vehicle operations and systems. These features help to ensure that thedisplay screen 600 presents each individual vehicle operator with the relevant and useful information. - With reference to
FIGS. 7A-7I , several features of the widgets will be described in detail. Although reference is made to elements and features of particular icons and widgets, e.g., theRHS icon RHS widgets - As shown in
FIG. 7A , theCDM widget 740 may comprise avisual representation 744 corresponding to the forks (e.g., 156A, 156B inFIG. 1A ), including anumerical indication 747 of a current position of the carriage assembly (144 inFIG. 1A ), e.g., a current fork height (“4 in”), and a current sensed or detected load weight 748 (“0 lbs”). The current fork height may also be indicated by a position of apointer 749 along ascale 742, which may comprise a plurality of tick marks (not separately labeled) corresponding to height increments from, for example, 0 inches to a maximum lift height for thevehicle 100. TheCDM widget 740 may also comprise afork tilt indicator 745 and a fork centering indicator 746. Thefork tilt indicator 745 inFIG. 7A indicates that the forks are currently level, while thefork tilt indicator 745′ inFIG. 7G indicates that the tips of the forks are tilted up. Thefork tilt indicator 745 may similarly indicate that the tips of the forks are tilted down (not shown). The fork centering indicator 746 may indicate that the forks are positioned to the left or right of a centerline of the vehicle 100 (not shown). - Data related to the detected load weight and the current fork height, tilt, and/or centering may be obtained as described herein and provided to the
CDM widget 740 for display. For example, the processor of thecontrol module 226 is in communication with one or more vehicle control modules, sensors, etc. (e.g., 232), across thevehicle network system 236, via the monitoring I/O module 230, or a combination thereof (FIG. 2B ). After extraction of the relevant information by the processor of thecontrol module 226, theCDM widget 740 provides visual representations corresponding to each parameter. - As shown in
FIG. 7B , the RHS feature of thevehicle 100 has been turned on or activated via theRHS icon 730A′, as indicated by the underlining 735 and/or other visual indicator. TheRHS icon 730A′ may be activated using touch gesture commands, using one or more of thecontrol elements 164A-164F in the vehicle operator control section 310 (FIG. 3 ), or using one or more of the physical control elements in the control panel 126 (FIG. 1B ), such as the rotary control knob 162 (FIG. 1B ) or a trigger switch (not shown) as described herein. For example, the operator may use the up, down, right, and leftbuttons 164A-164D to navigate to theRHS icon 730A (FIG. 7A ) and pressing theenter button 164E to activate theRHS icon 730A′ (FIG. 7B ). The operator may similarly turn therotary control knob RHS icon 730A and depress therotary control knob RHS icon 730A′. When thecontrol elements 164A-164F and/or therotary control knob display screen 600 may include a focus area or focus state, such as an outline box or highlighted background (not shown), to visually indicate a current location of a cursor or a current selection, which assists the operator in navigating to the desired portion of thedisplay screen 600. As noted above, after theRHS icon 730A′ is activated, theRHS widget 760 is locked into a locked widget space, e.g., thefirst widget space 606 inFIG. 7B . - The
RHS widget 760 may comprise afirst menu portion 761, asub-menu portion 762, and apallet presence indicator 763, as shown inFIG. 7B . As described herein, thefirst menu portion 761 displays information related to an option selected from a first menu 764 (FIG. 7D ), and thesub-menu portion 762 may be used to display and select additional options corresponding to the option selected in thefirst menu 764. In some embodiments, as shown inFIG. 7B , activation of theRHS icon 730A′ allows thefirst menu portion 761 to be displayed. In one embodiment, after the RHS icon is activated, thefirst menu 764 is displayed upon activation of thefirst menu portion 761 by the operator, as noted below. This feature ensures that the operator receives the most relevant information at the correct time with the least operator input. It also prevents thefirst menu portion 761 from being inadvertently activated when the RHS function has not been activated via activation of the RHS icon. - The operator may access the
first menu 764 by activating thefirst menu portion 761 using one or more touch gestures and/or the one or more control elements in the vehicle operator control section 310 (FIG. 3 ) or the control panel 126 (FIG. 1B ). For example, the operator may activate thefirst menu portion 761 via a touch gesture, e.g., by touching or tapping within the area encompassed by the box with dashed lines around “Stacker Pallets” at the top of theRHS widget 760 inFIG. 7B , or by performing an equivalent function using one or more physical control elements. An arrow or other visual indication (not labeled) within thefirst menu portion 761, e.g., to the right of the text “Stacker Pallets,” may indicate that additional options are available for selection, e.g., via thefirst menu 764. - As shown in
FIG. 7D , thedisplay screen 600 then displays thefirst menu 764 comprising one or more options available for selection. Thefirst menu 764 may be displayed in a variety of formats, such as a list, a sidebar (not shown), or a scroll wheel (not shown). Anoptional indicator 764 a may appear adjacent to the currently selected option, e.g., “Stacker Pallets.” In some embodiments, thefirst menu 764 may be displayed within thewidget 760, as shown inFIG. 7D . In other embodiments, thefirst menu 764 may be displayed in a separate window that is temporarily superimposed over one or more of the widget spaces. For example, as shown inFIG. 7C , awindow 770 may be displayed over a portion of thefirst widget space 606. - In some embodiments, the options contained in the first menu 764 (also referred to herein as a workspace zone menu) comprise a list of available workspace zones. As described herein, one or more workspace zones may be stored in a memory of the
vehicle 100. Each zone may correspond to, for example, a particular work site, warehouse, room, or other workspace, or area or portion thereof. The zones may be customized by a vehicle owner or other end user based on the various zone(s) in which thevehicle 100 will be used. For example, the number of available zones may be customized, and each zone may be assigned a zone identifier, e.g., a name (e.g., “Stacker Pallets” inFIG. 7B ), a number, a color, or other identifying feature or combination thereof, which is displayed in the first menu portion 761 (also referred to herein as a zone selection portion). In one particular embodiment, the operator may only activate thezone selection portion 761 if theRHS icon 730A′ has been activated. In this embodiment, if theRHS icon 730A has not been activated, then touching a portion of thezone selection portion 761 does not result in display of thefirst menu 764. - In other embodiments (not shown), the options listed in the
first menu 764 may comprise parameters or categories other than the zone. In one particular embodiment, the options may comprise a listing of racks designated by type, name, and/or number. For example, a first menu may comprise a listing of racks such as:Fixed Rack # 1;Portable Rack # 1; FixedRack # 2;Portable Rack # 2. Each rack will have corresponding programmed rack heights and may be independent of a zone or location of the rack. In another particular embodiment, the options may comprise a job type, e.g., pickup or put away. - With reference to the embodiment shown in
FIG. 7D , the operator may select one of the options displayed in theworkspace zone menu 764 or alter the display of the options using one or more touch gestures and/or one or more physical control elements in the vehicleoperator control section 310 or the control panel 126 (FIG. 1B ). For example, the operator may touch or tap the name of the desired workspace zone, e.g., “Freezer,” on thedisplay screen 600 to select the workspace zone. In some embodiments, theworkspace zone menu 764 may comprise additional zones located above and/or below the currently displayed zones. By swiping or sliding a finger along thedisplay screen 600 over the names of the zones or near theindicator 764 a, the operator may scroll through the available zones. When the operator makes selections using one or more of the physical control elements, thedisplay screen 600 may use the focus area or state (not shown) to visually indicate the current cursor location or current selection. For example, a background of thezone selection portion 761, such as the area encompassed by the box with dashed lines around the text “Stacker Pallets” inFIG. 7B , may become highlighted or shaded (not shown) to indicate that thezone selection portion 761 is the current selection. The focus state may also include, for example, an outline box around the current selection. - Following selection of the desired option in the
workspace zone menu 764, thedisplay screen 600 reverts back to a display of theRHS widget 760 with the new selected workspace zone. For example, if the operator selects “Freezer” in theworkspace zone menu 764 shown inFIG. 7D , thedisplay screen 600 changes to the display depicted inFIG. 7E , in which thezone selection portion 761′ now displays the zone identifier corresponding to the selected “Freezer” zone. - In addition, as shown in
FIG. 7H , one or more functions of each widget may also be accessed via ageneral menu 766, which may be displayed after the operator touches or selects an appropriate portion of the widget (not shown). Thegeneral menu 766 may be displayed within the widget or within the same widget space (as shown) or over another portion of thedisplay screen 600, such as over a portion of the second widget space 608 (not shown). Thegeneral menu 766 may comprise one or more options related to individual functions in a multi-function widget, e.g., “Select Zone” (accesses the first menu 764) and “Pallet Presence” (accesses the pallet presence indicator 763). In particular, thegeneral menu 766 for theRHS widget 760 may be used to select the desired workspace zone when the operator is using, for example, one or more of the physical control elements in the vehicle operator control section 310 (FIG. 3 ) or the control panel 126 (FIG. 1B ). The operator moves the focus area over the outer periphery of theRHS widget 760 shown inFIG. 7B and presses theenter button 164E or depresses therotary control knob general menu 766. The operator selects the “Select Zone” option in the same manner, after which thedisplay screen 600 lists the available zones in thefirst menu 764, as shown inFIG. 7D . The operator may then select the desired workspace zone as described. - With reference to
FIG. 7B , thesub-menu portion 762 may be used to select and display additional options that correspond to the option selected in the first menu 764 (FIG. 7D ). In some embodiments, the additional options may comprise a plurality of programmed rack heights, and the sub-menu portion 762 (also referred to herein as a rack height selection portion) may comprise one or more of arack height identifier 762 a and asidebar 762 b comprising a plurality of tabs. The rackheight selection portion 762 may comprise, for example, the area encompassed by the box with dashed lines around the text “Height FIG. 7B . As described herein, one or more programmed rack heights may be stored in a memory of thevehicle 100 for each workspace zone or rack in thefirst menu 764. Each programmed rack height corresponds to a desired height of the carriage assembly 144 (FIG. 1A ) and may be customized by the end user. For example, the number of available rack heights and height values may be customized. - The
rack height identifier 762 a may comprise information related to a currently displayed rack height, such as a name (“Height 3”), a number, a color, or other identifying feature or combination thereof. As shown inFIG. 7B , a numerical programmed rack height, e.g., “85 in.,” may optionally be displayed in therack height identifier 762 a in addition to or in place of the name of the selected rack height. Each tab in thesidebar 762 b corresponds to one programmed rack height. Thesidebar 762 b is defined by one or more tabs corresponding to one or more programmed rack heights in the workspace zone designated in thefirst menu portion 761, e.g., the “Stacker Pallets” zone as shown inFIGS. 7B and 7G . The additional options displayed in the rackheight selection portion 762 are limited to those available for the particular option selected in theworkspace zone menu 764. For example, when the “Stacker Pallets” zone is selected, the additional options available in the rackheight selection portion 762 will comprise only the programmed rack heights for the “Stacker Pallets” zone. - When the first menu provides a listing of rack designations, the additional options available for selection in the sub-menu portion may comprise a plurality of programmed rack heights. Each rack designation in the first menu may have a corresponding set of one or more programmed rack heights in the sub-menu portion. For example,
Fixed Rack # 1 will have a first set of programmed rack heights andFixed Rack # 2 will have a second set of programmed rack heights, wherein the first and second sets may be different. - In some embodiments, the rack
height selection portion 762 displays information related to the last rack height selected by the operator. In other embodiments, the rack heightselect portion 762 displays information related to a default rack height, e.g., a next higher or lower available rack height based on a current position of the fork carriage assembly 144 (FIG. 1A ) and/or a previous direction of travel of thefork carriage assembly 144, both of which may be detected as described herein. In some embodiments, a visual appearance of atab 762 b′ corresponding to the currently displayed rack height is altered to reflect its selection. For example, as shown inFIG. 7B , thetab 762 b′ is elongated with respect to the other tabs in thesidebar 762 b. - In the illustrated embodiment, the operator may select a programmed rack height via the
sidebar 762 b using one or more touch gestures and/or one or more physical control elements in the vehicle operator control section 310 (FIG. 3 ) or the control panel 126 (FIG. 1B ). In general, the RHS feature is not available until theRHS icon 730A is activated. When the RHS feature is off, the vehicle may be in “free” or “RHS-inactive” mode in which the operator may lower and lift the carriage assembly 144 (FIG. 1A ) to any height upon continuous activation of a lifting or lowering operation, for example, via actuation of a corresponding fingertip lever 172 (FIG. 1B ). Thus, when theRHS icon 730A is not activated, an operator may not activate thefirst menu portion 761, may not access thefirst menu 764 and may not select a programmed rack height via thesidebar 762 b. Following activation of theRHS icon 730A and selection of a rack height using any of the methods described herein, continuous activation of a lifting or lowering operation will cause thecarriage assembly 144 to raise or lower to, and automatically stop at, a selected rack height. - In one embodiment, the operator may select the desired rack height using one or more touch gestures. For example, the operator may scroll through the tabs in the
sidebar 762 b, such that when each tab is touched, information regarding that tab's corresponding rack height is displayed in therack height identifier 762 a. Thus, an operator may touch a tab in thesidebar 762 b corresponding to the desired rack height or swipe a finger along the tabs and select the tab corresponding to the desired rack height. Releasing touch of a selected tab in the sidebar 762B causes the corresponding programmed rack height to be selected. As shown inFIG. 7G , the operator has selected the fifth programmed rack height, which is reflected in thesidebar 762 b by elongatedfifth tab 762 b″ corresponding to the fifth programmed rack height. Upon selection of thetab 762 b″ corresponding to the desired rack height, one or more additional characteristic(s) related to the visual appearance of thetab 762 b′ may be altered. For example, a background color or pattern of thetab 762 b″ may change, as shown inFIG. 7G . After the desired programmed height is selected, thecarriage assembly 144 will lift or lower to the selected rack height upon continuous activation of a lifting or lowering operation via actuation of a corresponding fingertip lever 172 (FIG. 1B ) or use of the multifunction control handle (not shown) by the operator. - In other embodiments, the
rack height identifier 762 a may comprise a scroll wheel that allows the operator to scroll through the available programmed rack heights by swiping or sliding his finger up or down along the text displayed in therack height identifier 762 a. The scroll wheel may wrap around and repeat when the operator reaches the last option at the top or bottom of the list. The scroll wheel defines a sub-menu providing a listing of programmed rack heights corresponding to the workspace zone designated in thefirst menu portion 761, which, inFIG. 7B , is the “Stacker Pallets” zone. In one embodiment, only a single programmed rack height is visible at any given time in the rack height identifier scroll wheel. In other embodiments, two or more programmed rack heights are visible in the rack height identifier scroll wheel (not shown). - In further embodiments, the operator may use one or more physical control elements located in the vehicle operator control section 310 (
FIG. 3 ) to accomplish the same functions. For example, the operator may use the right orleft direction buttons sidebar 762 b and may use the up or downdirection buttons enter button 164E to select one of the tabs. - In yet further embodiments, the operator may use one or more physical control elements located in the control panel 126 (
FIG. 1B ) to select a rack height. For example, with “Height 2” displayed in therack height identifier 762 a, and the second tab elongated, the operator may actuate a trigger switch (not shown) provided on thecontrol panel 126 once to select thethird tab 762 b′, after which a visual appearance of thetab 762 b′ changes to reflect its selection (shown inFIG. 7B as being elongated). The operator may toggle to “Height 4” (not shown) by actuating the trigger a second time, “Height 5” (seeFIG. 7G ) by actuating the trigger a third time, etc. Upon each actuation of the trigger switch, therack height identifier 762 a displays the next available rack height and that rack height comprises a selected rack height unless the trigger switch is actuated again, and the visual appearance of thecorresponding tab 762 b′ is changed to reflect its selection. To select a programmed rack height that is below the currently displayed height, e.g., “Height 2” (not shown), the operator actuates the trigger until the top of the list of programmed rack heights is reached, after which the list wraps around and the operator may begin toggling up the list from the lowest programmed rack height until the desired height is reached. After the desired programmed height is selected, thecarriage assembly 144 will lift or lower to the selected rack height upon continuous activation of a lifting or lowering operation by the operator. - In yet further embodiments, a trigger switch is provided on a multifunction control handle and when the
RHS icon 730A is activated but no programmed height is selected, thedisplay screen 600 may display theRHS widget 760. During lifting or lowering of thecarriage assembly 144 via the multifunction control handle, the height shown on the display screen will automatically change to a next available programmed rack height. As thecarriage assembly 144 is moving, the operator may select the next available programmed rack height, and thecarriage assembly 144 will stop at the selected rack height. For example, following activation of theRHS icon 730A′ and selection of the “Stacker Pallets” zone, the operator begins a lifting operation without first choosing a programmed rack height. During the continuous lifting operation and while thecarriage assembly 144 is between racks, the operator actuates the trigger switch (not shown) when the operator wishes for thecarriage assembly 144 to stop at the next available programmed rack height, and thecarriage assembly 144 will stop at that next available programmed rack height, e.g., the fifth programmed height inFIG. 7G . - In all embodiments, a visual appearance of one or more portions of the visual depiction of the
first menu 764, thefirst menu portion 761 and the options contained therein, and/or the sub-menu portion 762 (including one or more of therack height identifier 762 a and thesidebar 762 b) may be altered to indicate selection of a particular option, e.g., a workspace zone, and/or a particular additional option, e.g., a rack height. In some embodiments, each option within thefirst menu 764 may be color-coded with a different color, and one or more of the items displayed in thefirst menu portion 761 and/or thesub-menu menu portion 762 may comprise a same color associated with the corresponding option in thefirst menu 764. - For example, as shown in
FIGS. 7B and 7E , a color of thezone selection portion 761, e.g., aline zone selection portion 761, e.g., the text of the zone identifier, a background area, etc. (not shown), may also be color-coded. Each zone may be associated with a different color to allow the operator to quickly and easily identify and select the desired workspace zone. These assigned colors may also be reflected in the visual appearance of the options, e.g., the names of the zones, the lines beneath each zone (not labeled), etc., contained in the workspace zone menu 764 (FIG. 7D ). In addition, a color of one or more portions of the visual depiction of the rackheight selection portion 762, including therack height identifier 762 a and/or thesidebar 762 b, may correspond to a color assigned to the selected zone. For example, the color of the text displayed in therack height identifier elongated tab 762 b′ may correspond to the assigned color of the selected zone. - In some embodiments, the visual appearance of one or more portions of the
CDM widget 750 and/or theRHS widget 760 may also change to indicate that the carriage assembly 144 (FIG. 1A ) has arrived at the selected rack height. For example, one or more of a color, a thickness, etc. of an outline 765 (FIG. 7G ) of theRHS widget 760 may change to provide a visual confirmation to the operator that thecarriage assembly 144 has reached the desired/selected programmed rack height. InFIG. 7G ,outline 765 is shown darker and having an increased thickness or width to indicate to the operator that thecarriage assembly 144 has reached the selected height of 129 inches,Height 5. In other embodiments, an audible tone may sound as thecarriage assembly 144 passes each programmed rack height, and an audible tone or message may sound to indicate that thecarriage assembly 144 has arrived at the selected rack height. These features provide confirmation to the operator that the selected function has been successfully executed and that thevehicle 100 is ready for the next operation, e.g., thecarriage assembly 144 is at the expected position. In addition to the audible confirmation, the change in theoutline 765 of theRHS widget 760 provides a confirmation that may be observed with a quick glance, which reduces operator distraction and provides enhanced usability. - In addition, in some embodiments, a display of a portion of the
CDM widget 740 and/or theRHS widget 760 may change in real time as thecarriage assembly 144 raises or lowers. - Movement of the
carriage assembly 144 may be indicated by a corresponding upward or downward movement of theforks 744 and thepointer 749 along thescale 742 and by a corresponding increase or decrease in thenumerical indication 747 of the rack height in theCDM widget 740. In addition, if a programmed rack height has not been selected by a user prior to movement of thecarriage assembly 144, the information displayed in the rackheight selection portion 762 may change as the forks approach each programmed rack height. With reference toFIG. 7G , following selection of “Height 5” the operator activates a continuous lifting operation causing thecarriage assembly 144 to raise upwardly toward the corresponding programmed rack height of 129 inches. This movement of thecarriage assembly 144 may be indicated, in real time with the actual movement of thecarriage assembly 144, by an upward movement of theforks 744 and thepointer 749 along thescale 742 in theCDM widget 740 to a new position corresponding to the programmed height of “129 in.” and by the updatednumerical indication 747′ of the rack height, as shown inFIG. 7G . In the case where a programmed rack height is not selected prior to movement of thecarriage assembly 144, but instead, will be selected via a trigger switch on a multifunction control handle during movement of thecarriage assembly 144, the name of the rack height (e.g., “Height 3,” “Height 4,” etc.) and the numerical rack height (e.g., “94 in.,” “109 in.,” etc.) displayed in therack height identifier 762 a may change as thecarriage assembly 144 approaches each programmed rack height. The location of theelongated tab 762 b′, 762 b″ may also change as the carriage assembly approaches each programmed rack height. - The real-time display feature may be particularly helpful in embodiments in which the operator selects a programmed rack height during a lifting or lowering operation. For example, during lifting and lowering operations, the information displayed in the rack
height selection portion 762 of theRHS widget 760 indicates the next available programmed rack height so that the operator may, for example, actuate the trigger switch (not shown) to select the upcoming programmed rack height. The operator may also use the location of theforks 744 along thescale 742 and thenumerical indication 747 shown in theCDM widget 740 to gauge the current position of thecarriage assembly 144 and the proximity to the next programmed rack height. - As illustrated herein, the rack height selection feature may be used in conjunction with the zone selection feature, but those of skill in the art will appreciate that the two features may be used independently. Combined use of the two features helps to eliminate confusion between similar, but slightly different, programmed rack heights that may exist in different workspace zones. For example, different zones in a large warehouse may comprise rack heights that are only inches apart. In the absence of zones, it may be difficult for the operator to easily determine whether the forks have been raised to the correct height. Combined use of the two features also reduces the number of programmed rack heights through which the operator must search. For example, a
vehicle 100 that is used in several locations may store a large number of programmed rack heights. Without zones, the operator must search through all of the available rack heights, which adds time and difficulty to the selection process and decreases operator productivity, particularly in environments required gloved operation. For embodiments where a trigger switch is provided and used, having corresponding programmed heights defined for separate workspace zones makes use of the trigger switch during a lifting operation more usable as the operator is presented only with corresponding programmed heights in the selected workspace zone in which the operator is working. - The
pallet presence indicator 763 will now be described in more detail. As shown inFIG. 7B , thepallet presence indicator 763 comprises aload presence indicator 763 a and aload weight indicator 763 b and provides a visual indication of a presence or an absence of a detected load on, for example, theforks 156A (FIG. 1A ). Thepallet presence indicator 763 may be displayed within theRHS widget 760, as shown inFIG. 7B . Alternatively, thepallet presence indicator 763 may be implemented as a separate widget and/or icon (not shown). One or more sensors 232 (FIG. 2B ), such as a pressure transducer in a hydraulic cylinder (not shown) of the load handling assembly 140 (FIG. 1A ), may sense a weight of aload 116 on theforks 156A. Thecontrol module 226 extracts from the monitoring input/output (I/O) module 230 (FIG. 2B ) information received from the sensor(s) and provides this information for display on thedisplay screen 600 via thepallet presence indicator 763. - As shown in
FIG. 7B , when no load is detected, theload presence indicator 763 a contains a dashed outline of a box, and theload weight indicator 763 b displays a notification, such as displaying the text “Empty.” In addition, when no load is detected, the current detectedload weight 748 in theCDM widget 740 may also display “0 lbs.” - In
FIGS. 7F and 7G , a load of 2,300 pounds is detected, as reflected in thepallet presence indicator 763′. Theload presence indicator 763 a′ comprises a solid box and theload weight indicator 763 b′ comprises a display of “2300” to reflect the presence of a detected load weighing 2,300 pounds. Thecurrent load weight 748′ in theCDM widget 740 has also been changed to display “2300 lbs.” Also as shown inFIGS. 7F and 7G , the RHS feature may be used in conjunction with a load offset feature. For example, upon detection of a load on the forks, the load offset feature causes the fork carriage to stop at a slightly higher point (as compared to unloaded forks). This height difference may be reflected in the programmed height displayed in therack height identifier 762. For example, the numerical programmed rack height displayed in therack height identifier 762 a for “Height 3” is increased from “85 in.” inFIG. 7B (no load) to “94 in.” in therack height identifier 762 a′ inFIG. 7F (a detected load of 2,300 pounds) to reflect the increased height needed to ensure that the load, e.g., a pallet, and the loaded forks will clear the rack. In addition, a numerical programmed rack height for “Height 5” may be “120 in.” for unloaded forks (not shown), but because a 2,300 pound load is detected, therack height identifier 762 a″ displays a programmed rack height of “129 in.,” as shown inFIG. 7G . - However, some loads (typically <500 pounds) may be too light for automatic detection by the one or more pressure sensors, causing the control module 226 (
FIG. 2B ) to incorrectly indicate the absence of a detected load. As discussed herein, when the load is not properly sensed, the programmed rack height is not adjusted to accommodate the loaded forks, and one or more of the vehicle's features may not function properly. In these situations, thepallet presence indicator 763 comprises an override function that permits the operator to manually indicate the presence of a load by activating a portion of thepallet presence indicator 763. For example, when the operator knows that aload 116 is present on theforks 156A (FIG. 1A ) but the palletpresent indicator 763 incorrectly indicates the absence of a load (FIG. 7B ), the operator may activate the override function by touching, tapping, clicking, or otherwise activating thepallet presence indicator 763. In some embodiments, a portion of thedisplay screen 600 corresponding to thepallet presence indicator 763, e.g., an area enclosed by the oval shape, may comprise a touch-sensitive region or “button.” - As shown in
FIG. 71 , the override function has been activated by the operator, for example, by touching and releasing the area on the screen defining or otherwise activating thepallet presence indicator 763 inFIG. 7B . One or more characteristics of thepallet presence indicator 763″ may change to reflect activation of the override function. For example, a background color and/or pattern within the pallet presence indicator may change, as shown inFIG. 71 . In addition, theload presence indicator 763 a″ comprises a solid box and theload weight indicator 763 b″ displays a notification, such as “Loaded,” to reflect that the override function has been activated. The programmed rack height displayed in therack height identifier 762 a′ is also updated to 94 in. to ensure that the loaded forks clear the rack. In some embodiments, thepallet presence indicator 763″ will reset to “Empty” (FIG. 7B ) when the fork carriage reaches the programmed rack height, unless a load is sensed. When a load is sensed, (e.g., as shown inFIGS. 7F and 7G ), the override function may be disabled, and thepallet presence indicator 763″ will reset to “Empty” (FIG. 7B ) only when no weight is detected. - With reference to
FIGS. 7F and 7G , several additional features of theCDM widget 740 will be described in detail. In addition to providing information about the detected load weight and current fork height, tilt, and centering, theCDM widget 740 may also provide a visual indicator of a maximum lift height based on a detected load. When aload 116 is present on theforks 156A, 156B (FIG. 1A ), thevehicle 100 typically has a maximum lift height to which the carriage assembly 144 (FIG. 1A ) should be raised for the weight of that particular load. The control module 226 (FIG. 2B ) may determine a maximum lift height for the load based on a variety of parameters, such as the maximum lift height of the vehicle, a maximum lift weight capability of the vehicle, a current fork tilt, etc. A portion of thescale 742, e.g.,areas - When no load is detected or the detected load requires no lift height restrictions, both
areas scale 742 may comprise a uniform, default color, e.g., green (not shown), to provide a highly visible indication to the operator that all lift heights are within the lift capacity of thevehicle 100. In some embodiments, theCDM widget 740 may comprise an indicator (not shown) representing a percentage of capacity, e.g., an indication that thecarriage assembly 144 has been raised to 80% of the determined maximum lift height. - Upon detection of a load requiring a lift height restriction, the control module 226 (
FIG. 2B ) may change a color of one or more portions of theCDM widget 740, in which the color(s) provide the operator with a visual indicator of the maximum lift height for that load. For example, as shown inFIGS. 7F and 7G , a load of 2,300 pounds is detected, which, in the illustrated embodiment, requires a lift height restriction. A portion, e.g.,area 742 a, of thescale 742 may remain, for example, green, to indicate that lift heights within this area are within the lift capacity of thevehicle 100. Another portion, e.g.,area 742 b, of thescale 742 may be changed to another color, such as yellow or red (not shown), to provide a highly visible indication to the operator that lift heights withinarea 742 b of thescale 742 exceed the lift capacity of thevehicle 100. In some embodiments (not shown), a color of one or more portions of the visual representation corresponding to theforks 744 and/or thepointer 749 may also change based on whether theforks 156A are at a lift height that is within the lift capacity of thevehicle 100 or that has exceeded the lift capacity of thevehicle 100. In other embodiments, the control module 226 (FIG. 2B ) may limit or restrict operation of thevehicle 100, e.g., vehicle speed and acceleration, etc. In further embodiments, a numerical indication of the maximum lift height (not shown) may be placed on thescale 742, e.g., at the junction betweenareas - When the detected load weight exceeds a maximum lift capacity of the
vehicle 100, theentire scale 742, includingareas control module 226 may allow very limited movement of thevehicle 100, e.g., operation at a speed below a certain threshold or over a predetermined distance, and may optionally completely disable operation of thevehicle 100. In some embodiments, a color-coded message (not shown) may be displayed on thedisplay screen 600 to notify or warn the operator that, for example, a determined maximum lift height for the detected load has been exceeded, the detected load exceeds a determined maximum lift capacity of the vehicle, and/or that theforks 156A (FIG. 1A ) are nearing the determined maximum lift height. In other embodiments, thecontrol module 226 may trigger one or more audible and/or visual warnings, such as a spoken warning, audible tones, flashing lights on thedisplay screen 600 or thevehicle 100, etc., upon detection of one or more of the above conditions. In all embodiments, when lift height restrictions exist, an audible tone or message may sound when thecarriage assembly 144 approaches a maximum height and/or when the height of thecarriage assembly 144 exceeds the maximum height. -
FIGS. 8-11 are flowcharts illustrating computer-implemented processes to define and control display of one or more items on a screen display of a display and processing device, e.g., the display andprocessing unit 151. The computer-implemented processes can be carried out using, for example, computer-readable hardware (e.g., computer-readable hardware memory, computer readable storage media, etc.) comprising computer instructions (e.g., in the form of program code) that instruct a processor to implement the described computer-implemented process. For example, the processes illustrated inFIGS. 8-11 can be carried out by the control module 226 (FIG. 2B ). In this regard, the flowcharts depicted inFIGS. 8-11 each outline an algorithm that is executed by the processor. -
FIG. 8 is a flowchart illustrating a computer-implementedprocess 800 to define and control display of a plurality of items, e.g., widgets, on a screen display. The process begins atStep 810 in which the processor defines a plurality of widgets via execution of an application program corresponding to each widget. Each widget comprises a visual representation of a current state of an associated function of an industrial vehicle. InStep 820, the processor controls display of a subset of the plurality of widgets on a portion of the screen display defining a plurality of widget spaces, and atStep 830, the processor controls display of an icon tray on the screen display comprising one or more icons, wherein each of the one or more icons may be defined via execution of a corresponding application program. At least one of the icons corresponds to a respective one of the plurality of widgets. As shown inFIG. 8 , the process may continue to Step 840 in which the processor detects activation of the one icon corresponding to the one widget, and in response to detecting the activation of the one icon, locks the respective one widget in position in a locked widget space inStep 850. -
FIG. 9 is a flowchart illustrating a computer-implementedprocess 900 to define and control display of one or more items, e.g., widgets, on a screen display. The process begins atStep 910 in which the processor defines one or more widgets. Each widget comprises a visual representation of a current state of an associated function of an industrial vehicle. AtStep 920, the processor controls display of at least one of the one or more widgets on a portion of the screen display defining one or more widget spaces, and atStep 930, the processor controls display of an icon tray on the screen display comprising one or more icons. At least one of the icons corresponds to a respective one of the one or more widgets. The processor detects activation of the one icon corresponding to the one widget atStep 940, and in response to detecting the activation of the one icon, allows a first menu portion of the one widget to be displayed inStep 950. AtStep 960, the processor controls display of a first menu associated with the one widget. -
FIG. 10 is a flowchart illustrating a computer-implementedprocess 1000 to define and control display of one or more items on a screen display. The process begins atStep 1010 in which the processor defines one or more widgets. Each widget comprises a visual representation of a current state of an associated function of an industrial vehicle. AtStep 1020, the processor controls display of a rack height select (RHS) widget on a portion of the screen display defining one or more widget spaces. The RHS widget comprises a portion, e.g., an outline, that changes state upon a related vehicle function being completed, e.g., a carriage assembly of the industrial vehicle reaching a desired height. -
FIG. 11 is a flowchart illustrating a computer-implementedprocess 1100 to define and control display of a plurality of items on a screen display. The process begins atStep 1110 in which the processor defines a plurality of widgets. Each widget comprises a visual representation of a current state of an associated function of an industrial vehicle. AtStep 1120, the processor controls display of a subset of the plurality of widgets on a portion of the screen display defining a plurality of widget spaces, and atStep 1130, the processor controls display of an icon tray on the screen display comprising one or more icons. At least one of the icons corresponds to a respective one of the plurality of widgets. The processor detects activation of the one icon corresponding to the one widget atStep 1140, and in response to detecting the activation of the one icon, moves the respective one widget to a predefined widget space inStep 1150. AtStep 1160, the processor moves the respective one widget from the predefined widget space in response to an operator command to move the widget away from the predefined widget space, and atStep 1170, the processor moves the one widget back to the predefined widget space in response to a command related to a vehicle operation. - In addition to, or in place of, the use of one or more touch gestures or physical control elements in the vehicle operator control section 310 (
FIG. 3 ) or the control panel 126 (FIG. 1B ), the operator may make one or more selections using a voice control system (not shown), examples of which are described more fully in U.S. Pat. No. 7,017,689, the entirety of which is hereby incorporated by reference herein. The operator may be equipped with a headset (not shown), and/or thedisplay unit 151 or a portion of thecontrol panel 126 may comprise a microphone (not shown). The voice control system is programmed to receive and recognize one or more predetermined verbal commands from the operator. The vehicle control system then translates each verbal command into a signal for processing by, for example, thecontrol module 226 and/or one or more control modules or controllers 238 (FIG. 2B ), which transmits an appropriate output command to control operation of the display unit 151 (FIG. 3 ) and/or thevehicle 100. - For example, receipt of the verbal command ACTIVATE RHS ICON or ACTIVATE RHS WIDGET may activate the
RHS icon 730A and move the RHS widget 760 (FIG. 7B ) to a predefined widget space in a manner similar to the movement of theRHS widget 760 upon activation of theRHS icon 730A using one or more touch gestures or physical control elements, as described herein. Receipt of the verbal commands SELECT ZONE or SELECT RACK HEIGHT may activate or cause the display of thezone selection portion 761 or the rackheight selection portion 762, respectively, of theRHS widget 760 in a manner similar to the activation or display following the use of one or more touch gestures or physical control elements, as described herein. - Referring now to
FIG. 12 , a schematic block diagram illustrates anexemplary computer system 800 for implementing thecontrol module 226 ofFIG. 2B . Theexemplary computer system 800 comprises one or more (hardware)microprocessors 810 and corresponding (hardware) memory 820 (e.g., random access memory and/or read only memory) that are connected to asystem bus 830. Information may be passed between thesystem bus 830 and anoptional data bus 850 by asuitable bridge 840. Thedata bus 850 is used to interface peripherals with the one ormore microprocessors 810, such as storage 860 (e.g., solid state hard disk drive); removable media storage device(s) 870 (e.g., flash drives, etc.); I/O devices 880 (e.g., the graphical user interface module of the service module 220 ofFIG. 2B , a universal serial bus (USB) interface, etc.); and one or more adapters 890. The adapters 890, where provided, allow themicroprocessor 810 to communicate across one or more of the vehicle network systems (e.g., 236 ofFIG. 2B ). In this regard, example adapters 890 may comprise Bluetooth®, Ethernet, CAN bus, RS422, LIN Bus, WiFi, cellular, etc. - This list of peripherals is presented by way of illustration, and is not intended to be limiting. Other peripheral devices may be suitably integrated into the
computer system 800. Thememory 820, storage 860, removable media insertable into the removable media storage 870, or combinations thereof may be used to implement the methods, configurations, interfaces and other aspects set out and described herein. - The microprocessor(s) 810 control operation of the
exemplary computer system 800. Moreover, one or more of the microprocessor(s) 810 execute computer readable code that instructs the microprocessor(s) 810 to implement the methods and processes herein. The computer readable code may be stored for instance, in thememory 820, storage 860, removable media storage device(s) 870, or other suitable tangible storage medium accessible by the microprocessor(s) 810. Thememory 820 may also function as a working memory, e.g., to store data, an operating system, etc. - The methods and processes herein may be implemented as a machine-executable method executed on a computer system, e.g., one or more general or particular computing devices such as the
processing devices 202 ofFIGS. 2A and 2B , on asystem 800 ofFIG. 12 , or combinations thereof. In this regard, the methods and processes herein may be implemented on a computer-readable storage device (e.g., computer-readable storage hardware) that stores machine-executable program code, where the program code instructs a processor to implement the described method/process. The methods and processes herein may also be executed by a processor coupled to memory, where the processor is programmed by program code stored in the memory, to perform the described method. - Computer program code for carrying out operations for any aspect or embodiment of the present disclosure may be written in any combination of one or more programming languages. The program code may execute fully or partially on the
computer system 800. In the latter scenario, the remote computer may be connected to thecomputer system 800 through any type of network connection, e.g., using the network adapter 890 of thecomputer system 800. In implementing computer aspects of the present disclosure, any combination of computer-readable medium may be utilized. The computer-readable medium may be a computer readable signal medium, a computer-readable storage medium, or a combination thereof. Moreover, a computer-readable storage medium may be implemented in practice as one or more distinct mediums. - A computer-readable storage medium is a tangible device/hardware that may retain and store a program (instructions) for use by or in connection with an instruction execution system, apparatus, or device, e.g., a computer or other processing device set out more fully herein. Notably, a computer-readable storage medium does not encompass a computer-readable signal medium. Thus, a computer readable storage medium, as used herein, is not to be construed as being transitory signals per se, such as radio waves or other freely propagating electromagnetic waves through a transmission media. Specific examples of the computer-readable storage medium may include, but are not limited to, the following: a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), Flash memory, or any suitable combination of the foregoing. In particular, a computer- readable storage medium comprises computer-readable hardware such as a computer- readable storage device, e.g., memory. As used herein, a computer-readable storage device and computer-readable hardware are physical, tangible implementations that are non- transitory.
- By non-transitory, it is meant that, unlike a transitory propagating signal per se, which will naturally cease to exist, the contents of the computer-readable storage device or computer-readable hardware that define the claimed subject matter persists until acted upon by an external action. For instance, program code loaded into random access memory (RAM) is deemed non-transitory in that the content will persist until acted upon, e.g., by removing power, by overwriting, deleting, modifying, etc. Moreover, since hardware comprises physical element(s) or component(s) of a corresponding computer system, hardware does not encompass software, per se. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms “a,” “an,” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” and/or “comprising,” when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
- The description of the present disclosure has been presented for purposes of illustration and description, but is not intended to be exhaustive or limited only to the embodiments in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the invention.
- Having thus described the invention of the present application in detail and by reference to embodiments thereof, it will be apparent that modifications and variations are possible without departing from the scope of the invention defined in the appended claims.
Claims (19)
1. A processing device comprising a graphical user interface, the processing device comprising:
a screen display;
memory storing executable instructions; and
a processor in communication with the memory, wherein the processor when executing the executable instructions:
defines a plurality of widgets, wherein each widget comprises a visual representation of a current state of an associated function;
controls display of a subset of the plurality of widgets on a portion of the screen display defining a plurality of widget spaces, wherein one of the widget spaces comprises a locked widget space;
controls display of an icon tray on the screen display comprising one or more icons, wherein at least one of the one or more icons corresponds to a respective one of the plurality of widgets;
detects activation of one of the one or more icons corresponding to the respective one widget; and
in response to detecting the activation of the one icon:
automatically moves the respective one widget to the locked widget space;
locks the respective one widget in position in the locked widget space; and
shifts the remaining one or more widgets in the subset to the one or more remaining widget spaces.
2. The processing device of claim 1 , wherein the processor when executing the executable instructions:
defines the icon tray as a separate portion of the screen display from the plurality of widget spaces, the icon tray being spaced apart from the plurality of widget spaces.
3. The processing device of claim 1 , wherein:
the screen display comprises a touch screen display that receives touch gesture commands from a vehicle operator; and
the processor when executing the executable instructions:
shifts a position of the remaining one or more widgets of the subset on the touch screen display following detection of a touch gesture on the touch screen display.
4. The processing device of claim 1 , wherein the processor when executing the executable instructions:
controls display of a first menu associated with the respective one widget when a first menu portion of the respective one widget is activated by a vehicle operator.
5. The processing device of claim 4 , wherein:
the screen display comprises a touch screen display that receives touch gesture commands from the vehicle operator;
the first menu comprises a list, a sidebar, or a scroll wheel; and
a display of options in the first menu is altered by one of a tap gesture, a swipe gesture, or a slide gesture on the touch screen display, the options within the first menu being color-coded with a different color.
6. The processing device of claim 4 , wherein:
the screen display comprises a touch screen display that receives touch gesture commands from the vehicle operator; and
the first menu portion of the respective one widget is activated by the vehicle operator touching or selecting the first menu portion.
7. The processing device of claim 4 , wherein the processor when executing the executable instructions:
defines a plurality of sub-menus, each sub-menu corresponding to a particular option within the first menu, wherein one sub-menu is displayed on the screen display after the corresponding option within the first menu has been selected.
8. The processing device of claim 7 , wherein the processor when executing the executable instructions:
color codes at least a portion of the one sub-menu using a same color associated with the corresponding option within the first menu.
9. The processing device of claim 7 , wherein one or more of the first menu or the sub-menus are displayed within the respective one widget.
10. The processing device of claim 7 , wherein one or more of the first menu or the sub-menus are displayed in a separate window that is temporarily superimposed over one or more of the widget spaces.
11. The processing device of claim 7 , wherein the processor when executing the executable instructions:
defines the respective one widget as a rack height select (RHS) widget, the RHS widget comprising a workspace zone menu defining the first menu, the workspace zone menu comprising a plurality of workspace zones, each workspace zone having a corresponding sub-menu comprising a plurality of stored rack heights associated with the workspace zone.
12. The processing device of claim 11 , wherein:
at least a portion of a visual depiction of each workspace zone comprises a different color; and
at least a portion of a visual depiction of each corresponding sub-menu comprises a same color as the associated workspace zone.
13. The processing device of claim 1 , wherein the processor when executing the executable instructions:
defines one of the plurality of widgets as a rack height select (RHS) widget, the RHS widget comprising:
a workspace zone selection portion defining a first menu portion;
a rack height selection portion defining a sub-menu portion; and
a load presence indicator.
14. The processing device of claim 13 , wherein the RHS widget is the respective one widget that is locked in position in the locked widget space and wherein the processor when executing the executable instructions:
detects a selection of a particular workspace zone and a particular stored rack height related to the particular workspace zone, wherein after the selection of the particular workspace zone and the particular stored rack height:
the workspace zone selection portion comprises an identifier of the particular workspace zone selected,
the rack height selection portion comprises an identifier of the particular stored rack height selected, and
the load presence indicator comprises a visual indication of a presence or an absence of a detected load.
15. The processing device of claim 14 , wherein the processor when executing the executable instructions:
overrides the indication of the absence of a detected load upon activation of the load presence indicator by a vehicle operator.
16. The processing device of claim 1 , further comprising:
a vehicle network system connecting the processor to at least one vehicle network bus, wherein the processor extracts a current position of a carriage assembly and a current sensed load weight,
wherein the processor when executing the executable instructions:
defines one of the plurality of widgets as a capacity data monitoring (CDM) widget, the CDM widget comprising a visual representation of the current position of the carriage assembly and the current sensed load weight.
17. The processing device of claim 1 , further comprising a vehicle operator control section comprising one or more physical input control elements, wherein the one or more physical input control elements are used to make selections on the screen display.
18. The processing device of claim 17 , wherein the one or more physical input control elements comprise at least one of a five-button control, a trigger switch, or a rotary control knob.
19. The processing device of claim 1 , wherein:
the screen display comprises a touch screen display that receives touch gesture commands from a vehicle operator; and
the processor when executing the executable instructions:
determines if a speed of the industrial vehicle is below a threshold speed; and
changes one or more of the widgets of the subset on the touch screen display following detection of a touch gesture on the touch screen display and if the speed of the industrial vehicle is below the threshold speed.
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