EP3707873A1 - Steuereinheit und steuersystem für eine kombination aus einem fahrzeug und einem anbaugerät - Google Patents
Steuereinheit und steuersystem für eine kombination aus einem fahrzeug und einem anbaugerätInfo
- Publication number
- EP3707873A1 EP3707873A1 EP18803926.7A EP18803926A EP3707873A1 EP 3707873 A1 EP3707873 A1 EP 3707873A1 EP 18803926 A EP18803926 A EP 18803926A EP 3707873 A1 EP3707873 A1 EP 3707873A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- vehicle
- attachment
- control unit
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
- G05B19/4155—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by program execution, i.e. part program or machine function execution, e.g. selection of a program
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40032—Details regarding a bus interface enhancer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2637—Vehicle, car, auto, wheelchair
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/40—Bus coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network
Definitions
- the present invention relates to a control unit and a control system for a combination of a vehicle and at least one attached to the vehicle attachment.
- the integrated agricultural BUS system (LBS®) was first developed.
- the successor is the Isobus® system.
- the Isobus® has the task of standardizing various interfaces between the commercial vehicle and the attachment. These include plugs, cables but also data formats and interfaces.
- the Isobus ® has not established itself as a standard, because there are a variety of, sometimes company-specific, specifications. For example, a utility vehicle which features Isobus ®, a UT (English:. Universal Terminal) and a job computer (TECU) have, but it does not necessarily include all other ingredients. Added to this are the company-specific standards.
- DE 10 2011 006 052 A1 discloses a control system for a combination of an agricultural tractor and an agricultural, tractor-coupled device.
- the control system includes a tractor control unit and a device control unit.
- the tractor control unit is used to control the speed of the tractor.
- the device controller controls both the functions of the device but is also coupled to the tractor control unit such that device speed requests are sent to the tractor control unit.
- EP 1 277 388 A1 discloses a control system of an agricultural implement wherein a plurality of sensors connected to this agricultural implement may affect the operation of the implement. So z. For example, for harvesters, sensors can determine the nature of the soil and respond to the entire agricultural implement by adjusting performance.
- the invention has for its object to provide a digital control unit and a control system for a combination of a vehicle and at least one coupled to the vehicle attachment, which allow a flexible coupling of different attachments to a vehicle.
- Another object of the present invention is to provide a digital control unit and a control system for a combination of a vehicle and at least one attachment coupled to the vehicle, which allow easy development and maintenance.
- a digital control unit has a central processor unit for controlling at least one component of a vehicle or an attachment and is provided with a control program unit which is stored and executable only on the control unit.
- a component is a component of a vehicle or an attachment, which can be controlled electrically, electronically, mechanically or hydraulically. Other sprinkling options, such as via compressed air, are also possible.
- a component may be, for example, a motor, a nozzle or a sensor.
- the driving comprises activating, switching off, regulating and reading the components.
- Other driving options such as Interrupting or signaling are also possible.
- the digital control unit has an interface to a data bus, by means of which several operating elements can be coupled to the control unit and this control unit with one or more further control units.
- an actuation message is generated and transmitted over the data bus, the actuation message containing at least information about the type of actuation and about the operating element that generated this actuation message.
- the control program unit has a local assignment module that reads the actuation messages for a particular component coupled to the digital vehicle control unit from the data bus and forwards corresponding control signals to that component.
- the control program unit has a central allocation module which generates a message to the local allocation module of this or one of the further control units in a new assignment of an operating element to a component and sends it via the data bus to the respective allocation module, so that this on this assignment of the control element stores the components in such a way that all actuation messages transmitted via the data bus are forwarded from the respective control element to this component in order to control them accordingly.
- This digital control unit can thus be provided on a vehicle and / or an attachment, which can be coupled to one another, wherein operating elements can be assigned to any component of the vehicle or attachment in principle by means of the local assignment modules and the at least one central assignment module.
- any attachments can be combined with a vehicle and yet a simple operation of the attachments is ensured.
- This allows a flexible combination of attachments and vehicles.
- a plurality of vehicles can be coupled together or to a vehicle and several implements can be coupled together.
- a functional device which is provided with such a digital control unit can thus be arbitrarily coupled to another functional device which also has a digital control unit.
- One of the digital control units has at least one central allocation module.
- the local allocation module may be connected to one or more components of the respective functional device to which it is arranged.
- the local allocation module controls these components to read the actuation messages for a particular component from the data bus and to pass control signals corresponding thereto.
- These control signals may be the actuation messages themselves, which are then only passed through.
- the local assignment modules it is also possible for the local assignment modules to be designed such that they convert the actuation messages into control signals suitable for the respective component. These control signals may be analog and / or digital control signals.
- a control system for a combination of a vehicle and at least one attachment coupled to the vehicle.
- the control system includes the following: a digital vehicle control unit having a central processor unit for controlling at least one component of the vehicle,
- a digital add-on control unit having a central processing unit for controlling at least one component of the attachment
- detachable data connection between the vehicle control unit and the add-on control unit, wherein the detachable data connection comprises a data bus
- Each control unit has a control program unit which is stored and executable only on the respective control unit.
- the control program units are each provided with an interface for communicating via the data bus, so that all control program units can exchange data.
- control program units of the respective control units of the vehicle and the attachments are formed from each other completely independent. However, they can communicate with each other via the data connection. This makes it possible to develop and maintain the control program units completely independently. Nevertheless, it is possible that control elements which are connected to a control unit can drive components which are connected to another control unit by transmitting the corresponding actuation messages from one control unit to the other control unit via the data connection.
- the entire control system acts as a unified control system with which he can control the vehicle and all attachments. Only the communication between the individual control units is standardized. So z. For example, the structure of the actuation messages is defined. As a result, the individual control program units can be developed and maintained independently of each other. Only a common data-technical interface for communicating via the data bus is necessary.
- Such a vehicle control unit and / or at least one of the add-on control units are preferably provided with a central allocation module.
- Each control program unit may have an output program module for outputting information which indicates the state of the control program unit and / or of the control program unit associated therewith.
- pelten show components, wherein the output program block generates control commands with which this information is output directly to an output element.
- An output element is, for example, a screen, a loudspeaker, a light source, such as a light-emitting diode.
- the control commands generated by the output program block can be implemented directly by the output element, without the need for further implementation or processing of the control commands is necessary.
- an output program module of a control unit of a function device can generate control commands, which are transmitted via the data connection to an output element of a control unit of another function device and output there without this other control unit having to process these control commands further. It only has to forward these control commands to the output element.
- the output can be visual or as a sound signal.
- the vehicle may have a coupling for coupling attachments, which has a drive shaft and / or a plug connection for at least one electrical line and / or a plug connection for a hydraulic line and / or a plug connection for a pneumatic line.
- the control program units of the vehicle and implements are designed to influence the operation of the vehicle and / or attachment coupled thereto solely through instructions, requirements, commands that define the mechanical, electrical, hydraulic or pneumatic performance of a coupling becomes.
- the term "power” here does not mean the physical power, but rather a power in a figurative sense, so that the action of the coupling components in the area of the coupling is unambiguously defined.
- the hydraulic or pneumatic power can be defined as a pressure value or pressure range
- Power can be defined as a current value, voltage value or as electrical power
- mechanical power can be defined as torque, speed, or mechanical power in the narrower sense
- these instructions, requirements, and commands can be upper and / or lower bounds
- the power applied to the clutch can be agreed between the control units without the need for the desired power or an exact value of the power respective control unit has accurate knowledge of the function and structure of the other functional device.
- the vehicle control unit and / or one of the other control units automatically detects whether a new add-on control unit has been coupled.
- This can be realized, for example, by regularly sending identification telegrams through the respective control unit to all devices connected to the data bus.
- the time interval between two identification telegrams is greater than 10 ms, preferably greater than 1 s and in particular greater than 3 s.
- the time interval between two successive identification telegrams should not be greater than 10 s and preferably not greater than 5 s.
- Identification messages are preferably standardized messages which are understood by each attachment without the need for prior communication or other connection establishment between the respective devices.
- an implement sensor can be checked by a regular readout of an implement sensor, if a new attachment is connected.
- the implement sensor may also actively send a signal to the vehicle control unit.
- the implement sensor is, for example, a wire with a connector on the coupling. When an attachment is connected, the wire is shorted. The short circuit is then detected by the vehicle control unit.
- Other sensors such as Pressure or proximity sensors with which the coupling can be registered are also possible.
- a new coupled add-on control unit is automatically integrated into the data transmission system.
- corresponding addresses are automatically assigned and / or the control units are automatically coordinated via a master / slave assignment.
- initial messages are sent to the vehicle control unit.
- initial messages may also be sent from the vehicle control unit to the add-on control unit.
- These initial messages may contain information necessary for the initial connection. These may include, for example, lock commands that prohibit the user from operating certain systems, while the central allocation module allocates the components and controls.
- the initial messages may also contain specification information of the attachment. In the simplest case, the initial messages can also represent only one type designation or MAC address.
- the automatic recognition and integration of the attachment has the advantage that the coupling can be carried out very quickly. A user only has to mechanically attach the attachment to the vehicle. The logical connection is performed automatically. There are no further settings of the user necessary.
- the central allocation module can generate a message to the local assignment module and send to this, whose component was previously assigned to the control element to cancel this assignment in a new assignment of a control.
- This message can be the assignment message already explained above, which is then also read by this assignment module. However, it can also be a separate message for unassigning.
- control program unit of that attachment may send one or more messages to the central mapping module in which at least the components of the attachment are defined so that the central mapping module can register those components. Likewise, corresponding messages of the vehicle are sent to the central allocation module.
- These messages preferably include a component description and / or an interaction description.
- the component description includes information as to which components are present on the respective implements or vehicle, which mechanical and electronic interfaces they have to the other devices, how the components can be operated, and / or what information they can send.
- the interaction description includes information with which operating and output elements the respective attachment can be controlled.
- they may include additional input information including information about required interfaces and / or input ranges, such as minimum or maximum values.
- the component description and / or the interaction description may include data for a graphical user interface, such as pictograms or pictorial representations of components, parts of the vehicle, and / or attachments. It is also possible to include complete descriptions of a graphical user interface, for example in the form of a markup language file in the component description and / or the interaction description. In this graphical user interface, outputs and inputs can be actuated which comply with the requirements. accordance with the component description and / or the description of interaction. Therefore, the component description and / or the interaction description are taken into account when creating the graphical user interface.
- the data can be used to modify an existing graphical user interface or create a completely new graphical user interface.
- the corresponding control and output elements are assigned and the attachment can output the corresponding information via the control program unit. It is not necessary that the vehicle has advance information from the attachment. This has the advantage that even the vehicle unknown devices can be connected. The vehicle, or the output element must also keep any information about the attachment in stock. Thus, the software of the vehicle does not need to be updated when another attachment is connected. For example, if a plant protection device is connected as an attachment, the plant protection device transmits all the required information, such as. a pictogram, the number of nozzles, the position of the nozzles, etc. If now another plant protection device with a larger number of nozzles is connected, the information changes accordingly, so that they always remain current. Accordingly, no new information needs to be set on the vehicle.
- the controls are arranged such that there are only two classes of actuation messages, one class containing a logical value (true or false) and the other class a numerical value indicating the degree of actuation.
- the operation messages are unified, whether the control is a steering wheel, a joystick, a touch screen, a button, a pedal, a selector lever or the like.
- the conversion of the actuation messages into control signals takes place at the local allocation modules, wherein numerical values can be used to generate a control signal which is proportional to the transmitting numerical value, an integral to the numerical values transmitted over a predetermined period or a derivative to the transmitting numerical values.
- control signals can also be generated at the respective local allocation module, which is a combination of a proportional len and / or integral and / or differential signal.
- the assignment module thus determines how the respective component reacts to the respective actuation on the operating element.
- the operating elements which generate the actuating messages with a logical value are preferably designed such that there are different types of actuating messages, wherein one type each
- a one-time signal (latch) until it is released. If you switch on pressing, the button will send an actuating message at regular intervals as soon as the button is pressed and until the switch receives the command to stop sending. If you switch on when releasing, the button will send an actuating message at regular intervals as soon as the button is released again and until the switch receives the command to stop sending. If it is switched until it is released, the button sends an actuating message at regular intervals as long as the button is pressed. If the button is no longer pressed, the actuation messages stop. When latching, only a single short actuation message is sent in each case. The exception here is the latch until letting go. Here, a short actuation message is sent both when pressed and when released.
- horn signal it may make sense that the signal is only generated until the button is released.
- the light should be generated as soon as you press the button and then not stop when you release the button.
- the unified actuation messages thus make it easy to exchange different controls, such as a steering wheel, joystick, or scale, on a touch screen to control a particular component.
- a steering wheel control component mower of the attachment is assigned, so that with the steering wheel, the alignment of the mower from Be - user of the vehicle can be controlled.
- a joystick is assigned to the steering mechanism component of the vehicle so that the user can manually change the direction of the vehicle if necessary.
- the control system may comprise at least one plug-in connection with an electrical interface for detachably coupling a control element, wherein the control program unit has one or more user interface modules in order to be able to communicate with a control element which can be coupled thereto.
- different operating elements can be coupled, which can communicate with any local allocation modules via a respective user interface module.
- the operating interface modules each generate the operation messages when the operating element is operated.
- Output elements can also be coupled to this electrical interface.
- Such an operable control element can also be an output element at the same time, as is the case with the touchscreen, for example.
- the control system may include a plurality of central allocation modules, wherein the central allocation modules are configured to synchronize. Each change of an assignment is immediately forwarded via the data connection to the other central assignment modules, which read and save these changes.
- control program unit of the control system and in particular the local allocation module are constructed in layers.
- the layers include an input layer, a functional layer and an output layer.
- the input layer contains program blocks which read in the incoming data from the data bus, sensors or the like.
- the program modules of the input layer forward this data to program blocks of the functional layer to which they are processed.
- the program blocks of the functional layer forward the data to program blocks of the output layer, to which the data is then forwarded to components or other control units. These data can be output as analog or digital control signals directly to the components or relayed as messages over the data bus.
- the functional layer is preferably subdivided into an allocation layer and into a signal layer.
- the program blocks are included, with which the incoming actuation messages are assigned to a specific component. As a result, these actuation messages are forwarded to program components of the signal layer, which generate the corresponding control signals for this component from the actuation messages.
- the software can be very easily created and modified, since it is divided into individual components, which are often configured similarly.
- the software structure thus guarantees the greatest possible independence from hardware components or platforms. If these are exchanged or adapted, only a relatively small adaptation to the respective layer has to be made. If, for example, the bus system is exchanged, then only the input and possibly the output layer has to be adapted.
- Another aspect of the present invention relates to an adapter for an attachment for a control system as discussed above.
- This adapter can be coupled to the data bus and has a local allocation module for the attachment. With such an adapter existing attachments can be integrated into the control system.
- a vehicle in particular a tractor is provided, which has a digital control unit explained above.
- an attachment having a digital control unit as discussed above, which digital control unit may be provided with a central mapping module, but need not necessarily have a central mapping module.
- this held information may include authorization information that authorizes the information held on the vehicle certain actions perform.
- This information can be, for example, a certificate file.
- the authorization information can be used to prevent the vehicle from being manipulated, damaged or stolen by connecting a manipulated attachment.
- FIG. 1a schematically shows a control system according to the invention in a combination of a vehicle and a coupled attachment in side view
- FIG. 1b shows a control unit in a block diagram
- 3a shows a schematic structure of the software structure for vehicle operation
- 3b shows a schematic structure of the layer structure of the software
- FIG. 4 a shows a schematic diagram of the visualization
- FIG. 4 b shows a schematic diagram of the visualization of attachments without a control program unit
- FIG. 5a shows a schematic structure of the internal control structure of the vehicle
- FIG. 5b shows a schematic diagram of the internal bus structure
- FIG. 5c shows a further schematic diagram of the internal bus structure
- FIG. 6 shows a schematic structure of a vehicle data bus
- FIG. 7 shows a schematic structure of a powertrain data bus
- 8 shows a schematic structure of a bus structure between a vehicle control unit and an add-on control unit
- Fig. 9 shows a schematic structure of a Isobus ® -connection
- FIG. 10 shows a schematic diagram of the parameter telegrams
- FIG. IIa shows a schematic diagram of the mapping
- FIG. IIb shows another schematic diagram of the mapping
- FIG. 12 shows a schematic diagram of the control elements telegrams
- FIG. 13 shows a schematic diagram of the control of the propulsion valves
- 15 shows a schematic diagram of an alternative communication between a display and an attachment without a web browser
- FIG. 16 schematic representation of possible combinations of the control of attachments at the connection point with vehicle control
- FIG. 17 schematic representation of possible combinations of the control of attachments via a control program unit on the attachment
- FIG. 18 shows a schematic representation of possible combinations of the control of attachments via control units at the connection point with vehicle control and control of complex implements via their control units, which are connected via additional connections in the vehicle.
- a first exemplary embodiment of a control system 3 comprises a vehicle 1, data buses 6 and an attachment 2 (FIG. 1 c).
- the vehicle 1 has at least one component 29, a digital control unit 4 for controlling at least one component of the vehicle, operating elements 7 for operating the vehicle and / or attachment components, output elements 23 for displaying information of the vehicle and / or attachment Components and an operator terminal display 25 on.
- the attachment 2 has at least one component 29, a digital cultivation control unit 5 for controlling at least one component of the attachment.
- a component 29 may, for example, be a motor, a controller, a program block for control telegrams for subsystems 32 or a program block for valves 31.
- the output element 23 is a device for outputting information
- an output execution module 124 is a computer program held at the output element 23.
- the vehicle control unit 4 (FIG. 1b) has a processor unit 41, a power supply connection 42, at least one external interface 43 and a memory unit 44, which interconnects in a conventional manner known per se, ie. h., Signaltechnisch in terms of a data line and energy technology in terms of a power supply in a suitable manner are interconnected.
- the processor unit 41 has data management units 411, data storage units 412 and data transfer units 413.
- the attachment control unit 5 is designed like the vehicle control unit 4.
- the data buses 6 are formed from two data buses 9, a CAN bus 9a and an Ethernet 9b.
- the CAN bus 9a is used as a stable bus primarily for the transmission of operation messages and execution messages.
- the fast Ethernet 9b connection is primarily used for visualization.
- the controls 7 may be, inter alia, a push button, a steering wheel, a joystick, a keyboard, controls or a touch screen.
- the output elements 23 may be, inter alia, a screen, a text display, a light, a speaker, a siren, or a printer.
- the operating terminal display 25 has a Ausgabeausnewsmodul 124 and a control module 13 and is essentially a combination of an output element 23 and a control element 7.
- the control terminal display 25 is formed such that a on the local control element module 13 includes software that Information received over the Ethernet data bus 9b can be displayed. In the simplest case, this software is a web browser 33.
- the vehicle 1 and the attachment 2 can be separated and connected to a coupling 61.
- This coupling 61 has a coupling plate 6100.
- the coupling plate 6100 will be described (FIG. 1c).
- the coupling plate 6100 is provided for forming electrical, electronic, hydraulic and / or pneumatic connections.
- This coupling plate 6100 comprises an approximately planar base plate 6101.
- This base plate 6101 may be provided with a plurality of electrical, electronic, hydraulic and / or pneumatic and mechanical connecting elements.
- At least two hydraulic connection devices 6113 are formed on the base plate 101. These two hydraulic connection devices 6113 are provided for actuating Stitzfußzyl existing almost at all connectable modules.
- at least one electronic connection device 6102 for providing an electronic connection between a control device of a vehicle and a control device of a vehicle is provided on the base plate 6101. This electronic connection is used to identify the type of module or trailer or attachment.
- at least one electrical connection device 6103 is arranged on the base plate 6101. This electrical connection means is for operating a light (e.g., brake, front, rear, position, or warning light) on the attachment module.
- control contacts 6104 that are electrically connected to each other by coupling a docking tray to a docking receptacle to detect whether the docking bay is fully retracted into the docking receptacle and a securing and / or locking device can be activated.
- control contacts 6104 are electrically connected to each other by coupling a docking tray to a docking receptacle to detect whether the docking bay is fully retracted into the docking receptacle and a securing and / or locking device can be activated.
- pneumatic connection means 114 are provided in the base plate 101 and pneumatic connection means 114 are provided.
- Air Supply Air brake for detachable additional axle modules and / or trailers or attachments.
- a control program unit 8 is stored and executable (Figs. 2a and 2b).
- the control program unit 8 comprises all the computer programs of the respective control unit which are designed to control the components 30 connected to the control units and to communicate with further control units or control program units 8.
- the control program unit 8 has a data bus interface 10 for communication with further control program units and a local allocation module 11.
- the control program unit of the vehicle control unit 8a additionally has a central allocation module 12.
- the local allocation module 11 serves to control the components 29 connected to the respective control unit in accordance with corresponding actuation messages.
- the local allocation module 11 is connected to at least one component module 30 of the respective component 29.
- the central and local allocation modules 12, IIa and IIb are connected to the data buses 9 via the data bus interface 10.
- the operating element 7 has an operating element module 13 which is connected to the data buses 9 via a data bus interface 10.
- the output element 23 has an output execution module 124, which is connected to the data buses 9 via a data bus interface 10.
- the operator terminal display 25 has an operator terminal display module 26, which is connected to the data buses 9 via a data bus interface 10.
- the local assignment module 11 has a control element control program block 19, a mapping program block 14, a function program block 15 and a hardware control program block 16.
- the local allocation module of the attachment IIb additionally has a control terminal display drive program block 28.
- the local assignment module of the attachment IIb additionally has a web visualization, later called Webvisu 20, which generates displayable visualizations, in particular web pages. These visualizations are part of the component description and the interaction description and include, among other things, implement information.
- This implement information includes, for example, a pictorial representation of the implement IIb, the task status of the attachment IIb, current and / or default parameters of the attachment IIb.
- a graphical user interface is generated, which is transmitted to the operating terminal display 25.
- the individual program modules within the local allocation module 11 are interconnected with logical data connections (FIGS. 3 to 4b).
- the control element control Program blocks 19 of the individual local allocation modules 11 are interconnected via the GAN bus 9a.
- the hardware control program building blocks 16 are connected by all the local allocation modules via the GAN bus 9a.
- the Webvisu 20 of the local assignment modules of the implements IIb is connected via the Ethernet 9b with the control terminal display control module 28.
- the software structure of the control system, in particular the local allocation module 11 is divided into several layers (FIG. 3b).
- a control layer IK12 an input layer IK8, an allocation layer IK9, a signal layer IK10, an output layer IK11 and a device drive layer IK13.
- To the control element layer IK12 belongs, for example, the control element module 13, but also a telegram forwarding module IK7, which forwards the telegrams from the control element module 13 to an attachment control unit 5. Telegrams are forwarded from this layer to the next layer, the input layer IK8.
- the allocation layer comprising the mapping program block 14.
- the following layer is the signal layer IK10, which has the function program blocks 15.
- the output layer IK11 follows with the hardware control program block 16.
- the device layer IK13 follows.
- the internal control structure of the vehicle 1 is divided into three areas (FIGS. 5a, 5b and 5c): a main tractor area IS1, a driving area IS2, also called DriCoSoft, and a vehicle data area IS3, also VDS (Vehicle Data System ) called.
- a main tractor area IS1 a driving area IS2, also called DriCoSoft
- a vehicle data area IS3, also VDS Vehicle Data System
- the main tractor area IS1 has the following operating elements 7:
- An IO controller 1 such as a TTC-30XH ® IS6
- An IO controller 2 such as a TTC-30XH ® IS7
- An IO controller 3 such as a TTC 30XH ® IS8
- An IO controller 4 such as a TTC-30XH ® IS9
- An IO controller 5 such as a TTC 30XH ® IS10
- a joystick ISlla Furthermore, the main tractor area IS1 has the following components 29:
- a communication unit such as ProEmion 5320 ® IS15
- main tractor area IS1 has the following:
- a body control device As the vehicle control unit 4, a body control device,
- the VDS area IS3 has the following components 29:
- One speed controller transmission controller such as Bodas ® IS18
- An engine control unit eg from the company CAT ® IS20
- the driving range IS2 has the following components 29:
- a steering control such as a TTC-32S
- a suspension control such as einTTC-580
- All these components of the VDS area IS3 and the driving area IS2 are connected to a powertrain data bus IS5, also called powertrain, via which these components communicate with one another.
- the protocol J1939 is preferably used in the drive train data bus IS5.
- the powertrain data bus IS5 is additionally connected to the operating terminal 25, the body control unit IS17, the driving operation display IS16 and the communication unit IS15 of the main tractor area IS1.
- the Powertrain J1939 data bus IS 5 is connected to the following components ( Figure 7):
- a service interface IS25 A service interface IS25
- the control program unit 8b of the add-on control unit 5 reports to the central assignment module 12 which output elements 23 and operating elements 7 it requires.
- a component description and an interaction description are sent to the central assignment module 12.
- the information describes the attachment 2, in particular the components, how to control them and which operating and output elements are needed.
- the central assignment module 12 then removes the rights of the required output elements 23 and operating elements 7 to the local assignment module 11 of the vehicle control unit 4 and assigns them to the local assignment module 11 of the add-on control unit. Via a control element 7, a driver can control this assignment.
- the central assignment module 12 sends an assignment message, also called assignment messages, to all local assignment modules 11 via the CAN bus 9a, in which the assignment of the output elements 23 and the operating elements 7 to the components 29 and the associated local assignment modules 11 is determined. These messages are stored in such a way that all actuation messages transmitted via the data bus are forwarded from the respective control element 7 to the assigned component 29 in order to control them accordingly.
- a request can be made to the components of the vehicle 1 by the local allocation module of the attachment IIb.
- These requirements have both limitations and commands. For example, this requirement may be the maximum speed of the vehicle 1 or the vehicle 1 may be driven along a predetermined route.
- the method for visualizing attachment information is explained below with reference to FIG. 4a for the exemplary embodiment.
- the operator terminal display 25 is configured to display the visualization of the attachment information. In this embodiment, this is done via the web browser 33, which is installed on the operating terminal display 25.
- the individual local assignment modules of the attachments IIb thereby provide the information that is displayed on the web browser 33 (FIG. 14). This is generated in the module Webvisu 20.
- the operating terminal display 25 itself can display information about its own components 29 of the vehicle 1. It thus also includes the properties of a Webvisu 20.
- parameter telegrams 22 are sent from the operating terminal display 25, or from the Webvisu 20, to the mapping program block 14 and the function program block 15.
- a data request is sent via pages ID 34 from the operating terminal display 25 or from the Webvisu 20 to the mapping program block 14 and the function program block 15 (FIG. 10).
- the assignment messages and the actuation messages can be transmitted in the form of such parameter telegrams 22.
- data telegrams are sent contents via pages ID 21 again from those who the mapping program block 14 and the function program block 15 back to the operating terminal display 25, or Webvisu 20 sent.
- the parameter telegrams 22 have information about the control ID, parameter ID and the respective new values. As shown by way of example in FIG. 10 for the parameter telegrams 22 in the vehicle 1, parameter XY, for example, can be set to 100%, this information then being sent to the mapping program block 14 and the function program block 15, which is executed on the vehicle control unit 4.
- the controls 7 of the vehicle operation are the controls 7 of the vehicle 1.
- Aboutssenelementan Kunststoff program modules 19, the usage information of the associated controls 7 are read and processed by software. These include, for example, digitization and incrementation.
- the usage information of the Whyanan Kunststoff program modules 19 of the local assignment module of the vehicle IIa are both to the Mapping program module 14 of the local allocation module of the vehicle IIa, as well as control telegrams 17, which also Actuating messages are called, via the GAN bus 9a sent to the Whyantanischen- program blocks 19 of the local assignment modules of the implements IIb. From there, the signals are forwarded to the local mapping program blocks 14. After the mapping in the mapping program block 14, the information is prepared in such a way that it can influence certain functions in the function program block 15.
- component modules 30 can be controlled directly or the information is relayed via remote telegrams 18 back to the local allocation module of the vehicle IIa and the local hardware control program module 16, so that component modules 30 are activated there.
- a button can be pressed in the vehicle 1.
- the attachment 2 detects this key press and then causes a light in the vehicle 1.
- mapping in the mapping program block 14s is explained below with reference to FIGS. 11a and 11b for the exemplary embodiment.
- control telegrams 35 which consist of a control ID 143, a parameter ID 144 and the associated values 145, which transmits the activations and deflections of the control elements 7, are first bundled into a multiplexer 141, whereby, depending on the control ID 143, the value 145 of a corresponding parameter 144 is switched through to the function program block 15.
- a complete data record such as the change of a driver ID, can also be transmitted.
- the mapping program block 14 has different multiplexers 141 for different operating elements 7. Among others, there is a multiplexer for levers and a multiplexer for knobs.
- the signals are transmitted to a demultiplexer 142.
- the demultiplexer 142 is part of the hardware control program block 16, from which the individual component modules 30 are driven.
- mapping also ensures that the controls 7 can be used differently.
- a button but also an element of a touch screen, have the following behavior:
- Steering elements such as slides, steering wheels or joysticks, can also have three different behaviors, which must be taken into account in addition to the direction and deflection:
- Integral behavior i. the control is proportional to the integral path of the deflection, which ensures that after positive displacement, a return to zero still causes positive control.
- control telegrams nl7 of the operating armrest IS23 and the joystick left IIa explained with reference to Figure 12 for the embodiment.
- the vehicle control unit 4 in the telegram receiving control signals from the operating armrest IS23 and via the vehicle data bus IS4 control signals from the joystick left IIa received via the powertrain data bus IS5. Subsequently, a selection of the freely assignable elements is made.
- the messages can be sent to the mapping and then to internal functions or control element telegrams are created, which are then forwarded via the drive train data bus IS5 and / or the GAN bus 9a to the add-on control units.
- the driving of the propulsion valves IS12 will be explained below with reference to FIG. 13 for the exemplary embodiment.
- the telegrams are first received via the data bus interface 10 from the GAN bus 9a. From there, the signal is forwarded to determine the switching and prioritization. The telegram receipt also controls the query whether it is an intelligent attachment. For this purpose, a HW signal is still coupled. The answer, whether it is a smart attachment, also has the same effect on switching and prioritization as internal functions. After the switchover and prioritization valve telegrams are created, which are forwarded via the vehicle data bus IS4 to the individual Can Prop valves IS12.
- attachments 2 may be connected to the vehicle controller only via the connection point 61 (FIG. 16). Furthermore, over a Control program unit 8 are controlled on the attachment 2 (Fig. 17). It is also possible for the control of attachments 2 to be controlled via a control device at the connection point 61 with vehicle control and control of complex implements via their operating devices which are connected via additional connections in the vehicle (FIG. 18).
- the vehicle 1 may be configured such that it is equipped with a detachable auxiliary motor 37.
- This detachable auxiliary engine significantly increases the performance of the vehicle and can also be controlled via the control system.
- the operating armrest IS12 and the service interface IS25 may be connected to the vehicle data bus IS4.
- control elements 7 and the vehicle control unit 4 via the CAN bus (J1939) 9a devices with Fremd schemes such as the Isobus ® communicate and these operate (Fig. 9).
- a data bus IB1 agricultural engineering, such as the Isobus ® third-party systems can communicate IB2, such as a Kverneland Tellus ® system with additional controls IB3 and IB4 a job controller on the attachment 2.
- IB2 external systems can include the following components:
- Tractor ECU IB8 which is connected to the CAN bus (J1939) 9a
- the task controller IB9 can be connected to a farm management system IB5 via a data transfer unit IB6, such as WLAN, GPRS or a memory stick.
- a data transfer unit IB6 such as WLAN, GPRS or a memory stick.
- the central allocation module 12 may be part of the control program unit of the attachment 8b.
- the attachment 1 without control program unit 8 which means that it is not automatically provided all the information about the Webvisu 20 (Fig. 4b). If this is the case, 25 additional standard display pages are activated via the manual input for the attachment type on the display. To- In addition, a HW signal is coupled and in function program block 14, additional standard functions are activated via the implement ID.
- the communication between a display, or screen, as an output element 23 and the add-on control unit 4 can not only run via a web browser (FIG. 15).
- a Ausgabeausloommodul 124 is stored and executable.
- the display contains a predefined catalog of graphics and display input fields IK2. This provides a memory program module defined images IKla available, which can then be brought by the output execution module 124 for visualization.
- the output execution module 124 sends cyclic telegrams IK3 to the function program block 4 of the vehicle control unit 4, which returns cyclic data telegrams IK4 again.
- the function program module 4 sends information to a memory program module defined images of the attachment IKlb, which additionally receives acyclic requirements IK5 defined by the memory program module images of the display IKla.
- the memory program block IKlb then sends acyclic definition telegrams IK6 to the predefined catalog of graphics and display input fields IK2.
- ECU A control unit (ECU) 1 for a steering system (ETS)
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- Automation & Control Theory (AREA)
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- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017126502 | 2017-11-10 | ||
| DE102018111767.1A DE102018111767A1 (de) | 2017-11-10 | 2018-05-16 | Steuereinheit und Steuersystem für eine Kombination aus einem Fahrzeug und einem Anbaugerät |
| PCT/EP2018/080984 WO2019092256A1 (de) | 2017-11-10 | 2018-11-12 | Steuereinheit und steuersystem für eine kombination aus einem fahrzeug und einem anbaugerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3707873A1 true EP3707873A1 (de) | 2020-09-16 |
Family
ID=66335887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18803926.7A Withdrawn EP3707873A1 (de) | 2017-11-10 | 2018-11-12 | Steuereinheit und steuersystem für eine kombination aus einem fahrzeug und einem anbaugerät |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20200269781A1 (de) |
| EP (1) | EP3707873A1 (de) |
| JP (1) | JP2021502925A (de) |
| KR (1) | KR20200099141A (de) |
| CN (1) | CN111357252A (de) |
| DE (1) | DE102018111767A1 (de) |
| WO (1) | WO2019092256A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9161195B1 (en) | 2007-04-30 | 2015-10-13 | Sucxess LLC | Method, apparatus and system for placing emergency calls from a vehicle |
| DE102020134176A1 (de) | 2020-12-18 | 2022-06-23 | Horsch Maschinen Gmbh | Kommunikationssystem für eine landwirtschaftliche maschine und verfahren zur herstellung einer landwirtschaftlichen maschine |
| DE102022132509A1 (de) * | 2022-12-07 | 2024-06-13 | Zf Cv Systems Global Gmbh | Umschaltvorrichtung für einen eine Leuchtvorrichtung umfassenden Anhänger eines mehrgliedrigen Fahrzeugs, insbesondere Nutzfahrzeugs, und Anhänger |
| DE102023115146B3 (de) | 2023-06-09 | 2024-10-02 | Kässbohrer Geländefahrzeug Aktiengesellschaft | Ziviles Kettenfahrzeug, Verfahren zum Betreiben eines zivilen Kettenfahrzeugs und System mit einem zivilen Kettenfahrzeug |
| EP4523508A1 (de) * | 2023-09-18 | 2025-03-19 | Lemken GmbH & Co KG | Landwirtschaftliche maschine mit kamerasteuerung |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6553300B2 (en) | 2001-07-16 | 2003-04-22 | Deere & Company | Harvester with intelligent hybrid control system |
| DE10249757B4 (de) * | 2002-10-25 | 2007-08-02 | CNH Österreich GmbH | Frei konfigurierbare, externe Aussentaster für landwirtschaftliche und kommunale Nutzfahrzeuge und deren Anbaugeräte |
| DE102007043935A1 (de) * | 2007-09-12 | 2009-03-19 | Volkswagen Ag | Fahrzeugsystem mit Hilfefunktionalität |
| US9119348B2 (en) | 2010-03-29 | 2015-09-01 | Deere & Company | Tractor-implement control system and method |
| DE102011007914A1 (de) * | 2011-04-21 | 2012-10-25 | Deere & Company | Datenkommunikationsschnittstelle für ein landwirtschaftliches Nutzfahrzeug |
| DE102011087828A1 (de) * | 2011-12-06 | 2013-06-06 | Continental Automotive Gmbh | Netzwerk-Komponente für ein Fahrzeug-Netzwerk und entsprechendes Fahrzeug-Netzwerk |
| EP2821864B1 (de) * | 2013-07-03 | 2015-10-21 | Kverneland Group Mechatronics BV | Benutzerschnittstellentafel für Landwirtschaftsmaschine |
| JP6698281B2 (ja) * | 2014-10-16 | 2020-05-27 | ヤンマー株式会社 | 作業車両 |
| US9499109B2 (en) * | 2015-01-27 | 2016-11-22 | Peterson Manufacturing Company | Trailer communication system |
| US10028498B2 (en) * | 2015-04-29 | 2018-07-24 | Cnh Industrial America Llc | Machine controller allowing concurrent functions |
| GB2538281B (en) * | 2015-05-14 | 2018-10-17 | Lodgesons Ltd | Vehicle direction indicator auxiliary control |
| CN107161127B (zh) * | 2017-04-21 | 2019-06-04 | 中国第一汽车股份有限公司 | 一种牵引车行车制动和辅助制动联合制动控制方法 |
-
2018
- 2018-05-16 DE DE102018111767.1A patent/DE102018111767A1/de not_active Ceased
- 2018-11-12 KR KR1020207016554A patent/KR20200099141A/ko not_active Ceased
- 2018-11-12 CN CN201880073000.0A patent/CN111357252A/zh active Pending
- 2018-11-12 JP JP2020544147A patent/JP2021502925A/ja active Pending
- 2018-11-12 WO PCT/EP2018/080984 patent/WO2019092256A1/de not_active Ceased
- 2018-11-12 EP EP18803926.7A patent/EP3707873A1/de not_active Withdrawn
-
2020
- 2020-05-08 US US16/870,652 patent/US20200269781A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20200269781A1 (en) | 2020-08-27 |
| DE102018111767A8 (de) | 2019-08-29 |
| KR20200099141A (ko) | 2020-08-21 |
| JP2021502925A (ja) | 2021-02-04 |
| WO2019092256A1 (de) | 2019-05-16 |
| CN111357252A (zh) | 2020-06-30 |
| DE102018111767A1 (de) | 2019-05-16 |
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