WO2017141321A1 - クレーンの操作を支援するための指示装置、プログラムおよび記録媒体 - Google Patents
クレーンの操作を支援するための指示装置、プログラムおよび記録媒体 Download PDFInfo
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- WO2017141321A1 WO2017141321A1 PCT/JP2016/054307 JP2016054307W WO2017141321A1 WO 2017141321 A1 WO2017141321 A1 WO 2017141321A1 JP 2016054307 W JP2016054307 W JP 2016054307W WO 2017141321 A1 WO2017141321 A1 WO 2017141321A1
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- WIPO (PCT)
- Prior art keywords
- height
- suspended load
- hoisting
- rope
- data
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
- B66C13/23—Circuits for controlling the lowering of the load
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
Definitions
- the present invention relates to a pointing device for supporting crane operation.
- the distance between the spreader and the container located below the spreader is measured by a distance sensor arranged below the spreader that is a suspended load.
- a distance sensor arranged below the spreader that is a suspended load.
- the suspended load becomes the grab and the cargo grabbed by the grab, but it is difficult to arrange a distance sensor below the grab.
- the suspended load changes constantly, it is not realistic to dispose the distance sensor below the suspended load that changes every time the suspended load is unloaded.
- the present invention acquires suspended load height data indicating the current height of a crane suspended load and target height data indicating a height to be reached after the suspended load is moved. Then, in response to an instruction to change the height of the suspended load by an operator of the crane, the target height is increased from the height indicated by the suspended load height data to the hoisting device for the rope that is hanging the suspended load.
- An instruction device including a hoisting / lowering instructing means for instructing the hoisting or lowering of the rope so that the suspended load moves to the height indicated by the height data is proposed as a first aspect.
- the crane is disposed on the ship, and the hoisting / lowering instructing means acquires bottom surface height data indicating the height of the bottom surface of the cargo hold of the precursor ship,
- the target for the hoisting device is determined.
- a configuration in which the rope is instructed to be lowered so that the lowest position of the suspended load moves to the predetermined height is proposed as a second aspect.
- the crane is disposed in a ship, and the hoisting / lowering instructing means is in unloading from the cargo hold or loading in the cargo hold of the ship.
- a configuration in which the target height data indicating the height of the suspended load that is a high predetermined height is generated as a third aspect is proposed.
- the hoisting / lowering instructing means includes lifting load data indicating a maximum lifting capacity of the crane and a suspension indicating a weight of the lifting load.
- the load amount data is acquired, and based on the weight indicated by the suspension load amount data, the load on the rope during the lifting or lowering of the suspension load exceeds a predetermined load smaller than the lifting ability indicated by the lifting load data.
- a speed of the suspended load that changes with time is specified, and the hoisting device is instructed to wind or unwind the rope at the specified speed that changes with time.
- the crane is disposed on a ship, and the hoisting / lowering instructing means is a jib indicating a current position of the crane jib on a horizontal plane.
- a configuration of acquiring position data and acquiring the target height data indicating the height to be reached after the suspended load is moved according to the jib position data is proposed as a fifth aspect.
- the present invention provides the image recognition for recognizing a reference structure that does not move from a known position on a horizontal plane in the image captured from the imaging device disposed on the jib of the crane in the fifth aspect.
- a jib position specifying means for specifying the position of the jib on the horizontal plane at the time of imaging of the image used for the recognition based on the position of the reference structure in the image recognized by the image recognition means.
- a configuration in which the hoisting / lowering instructing means acquires the jib position data indicating the position specified by the jib position specifying means is proposed as a sixth aspect.
- the crane is disposed on a ship, and is a structure of the ship from an imaging device disposed on a jib of the crane.
- An image recognizing means for recognizing the reference structure and the suspended load in an image captured so as to capture the reference structure that does not move and the suspended load, an imaging position, and the suspended load.
- the suspended load height specifying means for specifying the height of the suspended load in the unknown state is provided, and the hoisting / lowering instruction means indicates the suspended load height indicating the height specified by the suspended load height specifying means.
- a configuration of acquiring data is proposed as a seventh aspect.
- the hoisting device winds or unwinds the rope with a hydraulic actuator
- the hoisting / lowering instructing means includes the hydraulic actuator.
- a configuration is proposed as an eighth aspect in which an instruction relating to the hoisting or lowering of the rope is given to the hoisting device by adjusting the hydraulic pressure used for hoisting or lowering the rope.
- the present invention acquires, in a computer, processing for acquiring suspended load height data indicating the current height of a crane suspended load, and target height data indicating a height to be reached after the suspended load is moved
- the hoisting device for the rope that is hanging the suspended load from the height indicated by the suspended load height data
- a program for executing a process of instructing the hoisting or lowering of the rope so that the suspended load moves to the height indicated by the target height data is proposed as a ninth aspect.
- the present invention acquires, in a computer, processing for acquiring suspended load height data indicating the current height of a crane suspended load, and target height data indicating a height to be reached after the suspended load is moved
- the hoisting device for the rope that is hanging the suspended load from the height indicated by the suspended load height data
- a recording medium for continuously storing a computer-readable program for causing the computer to execute a process for instructing the hoisting or lowering of the rope so that the suspended load moves to the height indicated by the target height data.
- the indicating device when the operator instructs the indicating device to change the height of the suspended load, the suspended load arrives by the hoisting device that operates according to the instruction from the indicating device.
- the rope is wound up or down until the desired height is reached. As a result, excessive unwinding or winding of the rope is prevented, and the operator can quickly perform the work.
- the pointing device prevents the suspended load from contacting the bottom surface of the cargo hold of the ship.
- the time required for winding or unwinding the rope is shortened.
- the pointing device for example, when the tip of the jib is on the hatch of the cargo hold of the ship and when the tip of the jib is on the land hopper, an appropriate amount of rope unwinding is performed according to the jib position.
- the current position of the jib on the horizontal plane is specified by the image captured from the imaging device arranged in the jib. Therefore, information such as the turning angle and inclination angle of the jib is not required to specify the current position of the jib.
- the current height of the suspended load is specified by the image captured from the imaging device arranged in the jib toward the suspended load. For this reason, information such as the angle of inclination of the jib and the amount of unwinding of the rope is not required to specify the current height of the suspended load.
- the control system of the hoisting device is not significantly changed. A proper rope winding or lowering instruction is given to the hoisting device.
- the pointing device according to the first aspect of the present invention is realized by a computer.
- a basic configuration of a computer used as hardware of an instruction device according to an embodiment has been shown.
- indication apparatus concerning one Embodiment. The figure which showed typically the image imaged with the imaging device concerning one Embodiment.
- the graph which showed time-dependent changes such as the speed of unwinding of a rope which the hoisting / lowering instruction
- the graph which showed time-dependent changes such as the speed of winding of a rope which the winding up / down instruction
- FIG. 1 is a diagram schematically showing a crane operation support system 1 and a ship 9 on which the crane operation support system 1 is mounted.
- the ship 9 is a bulk carrier and includes a plurality of cargo holds 91 and cranes 92 arranged according to the plurality of cargo holds 91.
- the cargo hold 91 includes a main body 911 that constitutes a wall surface and a bottom surface, a hatch combing 912 provided around a hatch that is an opening above the main body 911, and a hatch cover 913 disposed on the hatch combing 912.
- the cargo hold 91 illustrated in FIG. 1 includes two hatch covers 913 arranged on the bow side and the stern side, and each hatch cover 913 slides on the hatch coaming 912 and is folded to cover the hatch.
- the hatch cover 913 of the cargo hold 91 illustrated on the right side of FIG. 1 is in an open state
- the hatch cover 913 of the cargo hold 91 illustrated on the left side is in a closed state.
- the crane 92 includes a crane post 921, a jib 922 extending outward from the crane post 921, a rope 923 hanging downward from the vicinity of the tip of the jib 922, a grab 924 attached to the tip of the rope 923, and a rope 923.
- a hoisting device 925 that performs hoisting and lowering is provided.
- the suspended load of the crane 92 means a hook that is a fitting tool for the grab 924 to the rope 923, a grab 924, and a cargo gripped by the grab 924.
- An operation room 926 that is a space where an operator operates the crane 92 is provided on the upper part of the crane post 921.
- the operator operates an operation lever or the like disposed in the operation chamber 926 while visually confirming the position and shape of cargo, workers, heavy machinery, etc. in the cargo hold 91 and the position of the grab 924 from the operation chamber 926.
- Various operations such as turning the jib 922, raising and lowering, extending and retracting the rope 923, winding and lowering (feeding) the rope 923, and opening and closing the grab 924 are performed.
- the crane 92 is mainly used when loading and unloading cargo from the cargo hold 91 to the port. In loading and unloading cargo from the cargo hold 91 to the port, the crane 92 repeatedly performs the following operations (1) to (8) according to the operation of the operator.
- the rope 923 is rolled down, and the opened grab 924 is suspended to a height position in contact with the cargo in the cargo hold 91.
- the jib 922 is swung, and the jib 922 is undulated and expanded as necessary to move the grab 924 to a position just above the hopper located at the port.
- the rope 923 is wound down and the grab 924 is suspended to a height position slightly above the opening of the hopper.
- the crane operation support system 1 is arranged according to each of the plurality of cranes 92.
- the crane operation support system 1 is disposed in an imaging device 11 that performs imaging from the vicinity of the tip of the jib 922 downward, a load measuring device 12 that measures a load on a rope 923 of a suspended load, and an operation chamber 926, and is operated by an operator.
- An instruction device 13 is provided for instructing the hoisting device 925 to wind and unwind the rope 923 according to the operation.
- the imaging device 11 is attached to the jib 922 via an attachment device that suspends the imaging device 11 so that the imaging direction (optical axis) is always vertically downward, for example, due to gravity.
- the imaging apparatus 11 sequentially transmits image data representing an image captured every elapse of a predetermined time to the instruction apparatus 13.
- the imaging device 11 and the instruction device 13 are communicatively connected.
- the communication connection between the imaging device 11 and the instruction device 13 may be performed via a communication cable such as an optical fiber, or may be performed wirelessly.
- the load measuring device 12 is disposed, for example, between a rope 923 and a hook for attaching the grab 924 to the rope 923. While the suspended load is suspended or is moving at a constant speed while being suspended from the rope 923, the load measured by the load measuring device 12 matches the weight of the suspended load. On the other hand, while the speed of the suspended load changes due to the force received from the rope 923, the weight measured by the load measuring device 12 varies according to the acceleration of the suspended load. For example, the imaging device 11 sequentially transmits suspended load data representing the load of the suspended load measured every elapse of a predetermined time to the instruction device 13. The load measuring device 12 and the pointing device 13 are connected for communication in order to transmit / receive suspended load data. The communication connection between the load measuring device 12 and the indicating device 13 may be performed via a communication cable such as an optical fiber, or may be performed wirelessly.
- the pointing device 13 is realized by a general computer performing processing according to a program.
- the instruction device 13 may be configured as a dedicated device.
- FIG. 2 is a diagram showing a basic configuration of the computer 10 used as hardware of the pointing device 13.
- the computer 10 includes a memory 101 that stores various data, a processor 102 that performs various data processing in accordance with a program stored in the memory 101, a communication IF 103 that is an IF (Interface) that performs data communication with the imaging device 11, a user
- a display device 104 such as a liquid crystal display for displaying an image
- an operation device 105 such as a touch panel for receiving a user operation.
- an external display device connected to the computer 10 may be used instead of the display device 104 built in the computer 10. Further, an external operation device connected to the computer 10 may be used instead of the operation device 105 built in the computer 10.
- FIG. 3 is a diagram showing a functional configuration of the pointing device 13.
- the instruction device 13 having the functional configuration shown in FIG. 3 is realized.
- a functional configuration provided in the instruction device 13 will be described below.
- the pointing device 13 includes a storage unit 131 that stores various data, an image data receiving unit 132 that receives image data from the imaging device 11, and a suspended load data receiving unit 133 that receives suspended load data from the load measuring device 12.
- the image recognition means 134 for recognizing the characteristic portions of the structures constituting the grab 924 and the ship 9 by known image recognition processing, and the image recognition means 134, respectively.
- the position of the tip of the jib 922 on the horizontal plane based on the position of the characteristic part of the structure recognized by the image recognition means 135, and the size of the structure and the suspended load recognized by the image recognition means 134.
- the suspended load height specifying means 136 for specifying the height of the grab 924 is provided.
- the “horizontal plane” means a horizontal plane in an actual three-dimensional space.
- the “position on the horizontal plane” means a position in which the position (height) in the vertical direction is ignored among the positions in the actual three-dimensional space. Accordingly, different positions that are directly above or below each other in the three-dimensional space are the same position on the horizontal plane.
- “height” means the height position, that is, the distance in the vertical direction from the reference position.
- the height of the grab 924 means the height of the upper surface position of the grab 924, that is, the height of the connecting point of the rope 923 and the grab 924. Accordingly, the height of the lowest position of the grab 924 is a position lower than the height of the grab 924 by the vertical size of the grab 924 (hereinafter referred to as “vertical size”).
- the instruction device 13 specifies the operation data acquisition unit 137 that receives operation data indicating the contents of various operations performed by the operator on the operation device 105, the appropriate winding and unwinding speed of the rope 923, and the specified speed.
- Hoisting / lowering instructing means 138 for instructing the hoisting device 925 to wind up or lower the rope 923, and progress information generating means 139 for generating data indicating the progress of the cargo unloading operation in the cargo hold 91;
- a display instructing means 130 for instructing the display device 104 to display a screen for accepting an operation by the operator and notifying the operator of information for supporting the operation of the crane 92.
- the storage means 131 stores in advance suspended load feature data indicating the appearance characteristics of the grab 924, structure feature data indicating the appearance characteristics of the structure (for example, hatch combing 912) constituting the ship 9, and the ship 9 3D shape data indicating the shape of the structure (for example, bottom and wall surfaces of the cargo hold 91, hatch combing 912, jib 922 at the reference position, grab 924 at the reference position) in the three-dimensional space, Lifting load data indicating a lifting load that means the maximum lifting capacity of the crane 92 is stored.
- the suspended load feature data is data used by the image recognition unit 134 to recognize the grab 924 in the image captured by the imaging device 11.
- the structure feature data is data used by the image recognition unit 134 to recognize a structure such as the hatch combing 912 in the image captured by the imaging device 11.
- the structure three-dimensional shape data indicates the shape of the structure constituting the ship 9 in the three-dimensional space as described above. Accordingly, the structure three-dimensional shape data is data indicating the height of the floor surface of the cargo hold 91 (bottom surface height data), and is located below the moving region of the jib 922 in the above operation (4) or (8). Data indicating the height of the top surface of the hatch coaming 912 that is the structure of the ship 9 (structure height data), the height of the tip of the jib 922 when the jib 922 is at the reference position, that is, the jib 922 It includes data indicating the height of the imaging position by the imaging device 11 when it is at the reference position.
- the feature portion of the structure whose appearance feature is indicated by the structure feature data is the feature portion of the structure whose position in the three-dimensional space is specified by the three-dimensional shape data of the structure, for example, by an identification number or the like. Are associated with each other.
- the storage unit 131 in addition to the above-described data stored in advance, various types of data generated by processing performed by components other than the storage unit 131 of the pointing device 13 are stored. These data will be described together in the description of the constituent parts of the pointing device 13 below.
- the image data receiving unit 132 receives the image data sequentially transmitted from the imaging device 11.
- the image data received by the image data receiving unit 132 is stored in the storage unit 131.
- the storage unit 131 may sequentially delete old image data as new image data is stored.
- the suspended load data receiving unit 133 receives the suspended load data sequentially transmitted from the load measuring device 12 as described above.
- the suspended load data received by the suspended load data receiving unit 133 is stored in the storage unit 131.
- the storage unit 131 may sequentially delete the old suspended load data as the new suspended load data is stored.
- the image recognition unit 134 recognizes the structure of the ship 9, the grab 924, and the like in the image captured by the imaging device 11.
- the image recognizing unit 134 specifies the position, size, and inclination of the suspended load in the image by identifying the portion having the feature indicated by the suspended feature data in the image captured by the imaging device 11.
- the image recognition unit 134 identifies the portion having the feature indicated by the structure feature data in the image captured by the imaging device 11, so that the structure of the ship 9 in the image (for example, hatch coaming 912). Specify the position, size, and inclination of.
- the jib position specifying means 135 specifies the position of the tip portion of the jib 922 on the horizontal plane based on the position of the structure of the ship 9 in the image recognized by the image recognition means 134.
- FIG. 4 is a diagram schematically illustrating an image captured by the imaging device 11 in a state where the position of the tip of the jib 922 on the horizontal plane is unknown.
- Point C1 to point C3 shown in the image illustrated in FIG. 4 indicate three positions among the four corners of the outer edge of the hatch combing 912 recognized by the image recognition unit 134.
- Point O is the center of the image and indicates the imaging position on the horizontal plane, that is, the position of the tip of the jib 922.
- the position of each of the points C1 to C3 on the horizontal plane is known and is indicated by the three-dimensional shape data of the structure. Accordingly, the jib position specifying means 135 corresponds to the point O in the image coordinate system by mapping the coordinates of the points C1 to C3 in the image coordinate system to the coordinates of the points C1 to C3 in the coordinate system on the horizontal plane. The coordinates of the point O in the coordinate system on the horizontal plane to be specified are specified.
- the jib position specifying means 135 converts the coordinates of the point O in the image into coordinates on the horizontal plane by, for example, a known matrix calculation using the coordinates of the points C1 to C3. Data indicating the coordinates of the point O obtained by such conversion becomes jib position data indicating the position of the tip of the jib 922 on the horizontal plane at the time of image capture.
- the jib position data specified by the jib position specifying means 135 is stored in the storage means 131.
- the storage unit 131 may sequentially delete the old jib position data as new jib position data is stored.
- the suspended load height specifying unit 136 is configured such that the structure of the ship 9 and the size of the glove 924 recognized by the image recognition unit 134 in the image captured with the heights of the jib 922 and the glove 924 unknown are the jib 922. And the structure of the ship 9 recognized by the image recognition means 134 and how much the grab 924 has changed from the size of the grab 924 in the image captured at the reference position where the height of the grab 924 is known. Identify the height of the unknown jib 922 and grab 924.
- the operator when the operator starts using the crane operation support system 1, the operator performs a predetermined operation on the pointing device 13, and based on the image captured in a state where the jib 922 and the grab 924 are at the reference position, the ship Nine structures and grab 924 standard sizes are specified.
- the reference positions of the jib 922 and the grab 924 are the positions of the jib 922 and the grab 924 in the crane 92 depicted on the left side of FIG.
- the height of the tip portion of the jib 922 when the jib 922 is at the reference position and the height of the grab 924 when the jib 922 is at the reference position are known and are indicated by the structure three-dimensional shape data.
- the image recognition processing for the image captured by the imaging device 11 at that time is performed by the image recognition unit 134. Is done.
- FIG. 5 schematically shows an image picked up by the image pickup device 11 with the jib 922 and the grab 924 in the reference position.
- the points C1 and C2 shown in FIG. 5 indicate two positions of the four corners of the outer edge of the hatch combing 912. Further, the points D1 and D2 shown in FIG. 5 indicate two positions of the feature points of the grab 924. Note that the points D1 and D2 are desirably feature points whose positional relationship and height are not changed by opening and closing the grab 924.
- the length of the line segment C1-C2 indicates a reference size of the hatch combing 912 image. Further, the length of the line segment D1-D2 indicates a size that is a reference of the image of the grab 924.
- the pointing device 13 stores the data indicating the length of the line segment C1-C2 in the storage unit 131 as the reference structure size data. Further, the pointing device 13 stores data indicating the length of the line segment D1-D2 in the storage unit 131 as reference suspended load size data.
- FIG. 6 schematically shows an image captured by the imaging device 11 in a state where the heights of the jib 922 and the grab 924 are unknown.
- the suspended load height specifying means 136 specifies the length of the line segment C1-C2 recognized in the image of FIG. 6, and compares it with the length indicated by the reference structure size data, thereby increasing the height of the tip portion of the jib 922. The height h1 is specified. Subsequently, the suspended load height specifying means 136 specifies the length of the line segment D1-D2 recognized in the image of FIG. 6 and compares it with the length indicated by the reference suspended load size data, thereby The difference h2 between the height of the part and the height of the grab 924 is specified.
- the suspended load height specifying unit 136 specifies the height of the grab 924 by subtracting the difference h2 from the specified height h1.
- Suspended load height data indicating the height of the grab 924 specified by the suspended load height specifying means 136 is stored in the storage means 131. Note that the storage unit 131 may sequentially delete the old suspended load height data as new suspended load height data is stored.
- the operation data acquisition unit 137 acquires operation data indicating the content of the operation performed on the operation device 105 by the operator.
- FIG. 7 is a diagram showing an example of an operation screen (hereinafter referred to as “main screen”) displayed on the display device 104 by the instruction device 13.
- main screen On the main screen, a “target height setting” button, a “suspended load vertical size setting” button, a “lowering” button, a “lifting” button, and a “progress information display” button that can be operated by the operator are displayed.
- operation data corresponding to the button on which the touch operation has been performed on the instruction device 13 is output from the operation device 105 and is received by the operation data acquisition unit 137.
- the “target height setting” button is a button for setting a height that the suspended load should reach when the rope 923 is lowered (hereinafter referred to as “downward target height”).
- the operation screen shown in FIG. 8 (hereinafter referred to as “target height setting screen”) is displayed on the display device 104.
- the operator touches the “set current suspended load height” button on the target height setting screen the height of the grab 924 at that time is set as the lower target height.
- the height that is lower than the lower target height set at that time is the new lowering Set as the target height.
- the height that is higher than the lower target height set at that time is the new lower target. Set as height.
- the operator can set different lower target heights depending on whether the tip of the jib 922 is on the hatch or not on the hatch. Specifically, the position on the horizontal plane of the tip portion of the current jib 922 indicated by the jib position data stored in the storage means 131 is inside the area on the horizontal plane of the hatch indicated by the structure three-dimensional shape data. If there is, the lower target height set by the operator is set as the lower target height when the grab 924 is suspended in the cargo hold 91. Data indicating the lower target height when the grab 924 is suspended in the cargo hold 91 is stored in the storage unit 131 as target height data in the hatch.
- the lower target height set by the operator is the grab 924 that faces the hopper. It is set as the lower target height when hanging. Data indicating the lower target height at the time of hanging the grab 924 toward the hopper is stored in the storage unit 131 as target height data outside the hatch.
- the “hanging load vertical size setting” button on the main screen is a button for the operator to set the vertical size (vertical size) of the hanging load.
- the vertical size of the suspended load is the vertical size of the grab 924.
- an operation screen shown in FIG. 9 (hereinafter, referred to as “suspended load vertical size setting screen”) is displayed.
- the operator can set the vertical size of the grab 924 with respect to the pointing device 13 by inputting the vertical size of the grab 924 on the suspended load vertical size setting screen and then touching the “set” button.
- Data indicating the vertical size of the grab 924 set by the operator is stored in the storage unit 131 as vertical load size data.
- the “lower” button on the main screen is a button for the operator to instruct to lower the rope 923 (change the height of the suspended load downward).
- the “winding up” button is a button for the operator to instruct to wind up the rope 923 (change the height of the suspended load upward).
- the hoisting / lowering instructing means 138 see FIG. 3 of the pointing device 13. Lowering or hoisting is performed. Below, the process which the winding up / down instruction
- the instruction device 13 receives operation data for instructing a downward change in the height of the grab 924 from the operation device 105.
- the hoisting / lowering instructing unit 138 first acquires the following information.
- the current height of the grab 924 indicated by the suspended load height data The position of the tip portion of the jib 922 indicated by the jib position data. If the position of the tip of the jib 922 is within the hatch on the horizontal plane, the lower target height indicated by the target height data in the hatch. If the position of the tip of the jib 922 is outside the hatch on the horizontal plane, the lower target height indicated by the non-hatch target height data. The vertical size of the grab 924 indicated by the suspended load vertical size data.
- the height of the bottom surface of the cargo hold 91 indicated by the structure three-dimensional shape data (the height of the bottom surface of the cargo hold 91 at a position directly below the tip portion of the jib 922). Sa).
- the hoisting / lowering instructing means 138 determines the height of the grab 924 (hereinafter referred to as “arrival height”) after the rope 923 is unwound as follows.
- arrival height the height of the grab 924 (hereinafter referred to as “arrival height”) after the rope 923 is unwound as follows.
- the lower target height is set as the reaching height.
- the vertical size of the grab 924 is added to the height of the bottom surface of the cargo hold 91, and a predetermined height for safety is added to the bottom. The higher one of the target heights is defined as the reaching height.
- the position of the tip of the jib 922 on the horizontal plane is within the hatch, when the position of the upper surface of the grab 924 reaches the reaching height determined as described above, the lowest position of the grab 924 is always the cargo hold 91. Since the position is higher than the bottom surface by a predetermined height, there is no risk that the grab 924 collides with the bottom surface of the cargo hold 91.
- the hoisting / lowering instructing means 138 specifies a limit load obtained by multiplying the lifting capacity of the crane 92 by a predetermined numerical value less than 1.
- This limit load means a substantial lifting capacity of the crane 92 obtained by subtracting a safety margin from the lifting capacity of the crane 92.
- the hoisting / lowering instructing means 138 moves the grab 924 from the current height to the reaching height in the shortest possible time within a range where the load applied to the rope 923 does not exceed the limit load during the lowering. The speed of lowering the rope 923 is determined.
- FIG. 10 is a graph illustrating a change with time such as the speed of lowering the rope 923 determined by the hoisting / lowering instructing means 138.
- Each of the first to third graphs in FIG. 10 shows changes over time in the load applied to the rope 923 during the lowering, the moving distance of the rope 923 (or grab 924), and the speed of the rope 923 (or grab 924). Yes.
- the behavior of the rope 923 shown in FIG. 10 is determined by the hoisting / lowering instructing means 138 so as to satisfy the following conditions.
- Moving distance of the grab 924 from winding lowering start time T S of (a) a rope 923 to the end time T E is equal to the distance to reach the height from the current height of the grab 924, the ropes 923 in the end time T B Is lowered to zero.
- the hoisting / lowering instructing means 138 instructs the hoisting device 925 to lower the rope 923 at the time-varying speed determined as described above.
- the instruction device 13 is connected to the hoisting device 925 for communication.
- the communication connection between the instruction device 13 and the hoisting device 925 may be performed via a communication cable such as an optical fiber or may be performed wirelessly.
- the hoisting device 925 lowers the rope 923 in accordance with the instruction from the instruction device 13. As a result, when the operator performs a touch operation on the “lowering” button, the rope 923 is safely and quickly lowered.
- the instruction device 13 receives operation data for instructing to change the grab 924 upward from the operation device 105.
- the hoisting / lowering instructing unit 138 first acquires the following information.
- the current height of the grab 924 indicated by the suspended load height data The vertical size of the grab 924 indicated by the suspended load vertical size data.
- the hoisting / lowering instructing means 138 adds the vertical size of the grab 924 to the height of the upper surface of the hatch coaming 912, and further adds the predetermined height for safety to the height after the hoisting of the rope 923.
- the height of the grab 924 at (the height reached).
- the position of the upper surface of the grab 924 has reached the reaching height determined as described above, when the jib 922 moves between the hatch and the hopper, the lowest position of the grab 924 is always higher than the upper surface of the hatch combing 912. Since the position is higher than the predetermined height, there is no risk that the grab 924 collides with the hatch combing 912.
- the hoisting / lowering instructing means 138 specifies a limit load obtained by multiplying the lifting capacity of the crane 92 by a predetermined numerical value less than 1. Subsequently, the hoisting / lowering instructing means 138 moves the grab 924 from the current height to the reaching height in the shortest possible time within a range where the load applied to the rope 923 does not exceed the limit load during hoisting. The speed of winding the rope 923 is determined.
- FIG. 11 is a graph showing a change over time such as the winding speed of the rope 923 determined by the hoisting / lowering instruction means 138.
- Each of the first to third graphs in FIG. 11 shows changes over time in the load applied to the rope 923 during winding, the moving distance of the rope 923 (or grab 924), and the speed of the rope 923 (or grab 924).
- the behavior of the rope 923 shown in FIG. 11 is determined by the hoisting / lowering instructing means 138 so as to satisfy the following conditions.
- the hoisting / lowering instructing means 138 instructs the hoisting device 925 to wind up the rope 923 at a speed that changes with time determined as described above.
- the hoisting device 925 winds the rope 923 in accordance with the instruction from the instruction device 13.
- the rope 923 is wound up quickly and without waste.
- the grab 924 does not collide with the hatch combing 912.
- the “progress information display” button on the main screen is a button for displaying a screen (hereinafter referred to as “progress information display screen”) for the operator to check the progress of cargo loading / unloading work.
- FIG. 12 is a diagram illustrating a progress information display screen. On the progress information display screen, the progress of the unloading work is displayed by a graph or a numerical value.
- a “setting” button is provided on the progress information display screen.
- a screen as shown in FIG. 13 (hereinafter referred to as “setting screen”) is displayed.
- the operator sets the total weight of the cargo to be unloaded.
- Data indicating the total weight of the cargo set on the setting screen is stored in the storage means 131 as total cargo weight data.
- Data indicating the time when the “start” button is touched is stored in the storage unit 131 as work start time data.
- Information displayed on the progress information display screen is generated by the progress information generating means 139 (see FIG. 3).
- the progress information generating unit 139 counts the number of times the cargo has been put into the hopper after the start of work and the cumulative value of the weight of the cargo put into the hopper in order to generate information displayed on the progress information display screen. Is calculated. Data indicating the number of times the cargo has been loaded into the hopper counted by the progress information generating unit 139 is stored in the storage unit 131 as the number of times the cargo has been loaded. Data indicating the cumulative value of the weight of the cargo loaded into the hopper calculated by the progress information generating unit 139 is stored in the storage unit 131 as the loaded cargo weight data.
- the progress information generating means 139 monitors, for example, the suspended load data and the jib position data, and after the position indicated by the jib position data moves from inside the hatch to outside the hatch, the load indicated by the suspended load data greatly decreases.
- the weights of the grab 924 and the hook are approximately equal to each other, it is determined that the cargo has been put into the hopper.
- the progress information generating unit 139 increases the number of times indicated by the cargo loading frequency data by one.
- the progress information generating means 139 generates new input cargo weight data by adding the decrease of the load indicated by the suspended load data to the weight indicated by the input cargo weight data, and corresponds to the time data indicating the time at that time. In addition, it is stored in the storage means 131.
- the progress information generating unit 139 generates a graph displayed on the progress information display screen (FIG. 12) using, for example, the input cargo weight data stored in the storage unit 131 in association with the time data. Further, the progress information generating unit 139 calculates the ratio of the weight indicated by the latest input cargo weight data with respect to the weight indicated by the total cargo weight data as the progress rate.
- the progress information generating means 139 calculates the average value of the weights of the cargos that are input into the hopper in one input by dividing the weight indicated by the latest input cargo weight data by the number of times indicated by the cargo input frequency data, By dividing the weight obtained by subtracting the weight indicated by the latest input cargo weight data from the weight indicated by the total cargo weight data by the average value, an estimated value of the number of times required for completion of the unloading operation is calculated.
- the progress information generating means 139 calculates the input weight of the cargo per unit time by dividing the weight indicated by the latest input cargo weight data by the time from the time indicated by the work start time data to the current time. Calculate the estimated time required to complete the unloading operation by dividing the weight indicated by the cargo weight data by subtracting the weight indicated by the latest input cargo weight data from the input weight of the cargo per unit time. .
- the above-described information is an example of information generated by the progress information generation unit 139.
- the average value of the input amount at one time (the average value of the weight of the cargo grasped at one time by the grab 924) or one time
- Other types of information related to the progress of the unloading work such as an average value of the time required for the input, may be generated by the progress information generating means 139 and displayed on the progress information display screen.
- the operator can know the history of the past progress of the unloading work, the time required to complete the unloading work, etc. by looking at the graphs and numerical values displayed on the progress information display screen.
- screens displayed by the display device 104 such as a progress information display screen and a main screen (FIG. 7) are generated by the display instruction means 130 (see FIG. 3).
- the display instruction unit 130 generates an image of a progress information display screen as shown in FIG. 12 using the data generated by the progress information generation unit 139, for example, and outputs it to the display device 104. Further, the display instruction unit 130 generates an image of the main screen as shown in FIG. 7 using the data stored in the storage unit 131 and outputs it to the display device 104.
- the latest image captured by the imaging device 11 and an indicator indicating the current height of the grab 924 are displayed.
- the current grab 924 height is indicated by an arrow, and the floor height F of the cargo hold 91 at a position directly below the tip of the current jib 922 is indicated.
- the operator can confirm the position of the grab 924 on the horizontal plane from the image displayed on the main screen, and can confirm the height of the grab 924 using the indicator.
- the operator of the crane 92 can safely and quickly wind up and down the rope 923.
- the position of the tip portion of the jib 922 is specified based on the image captured by the imaging device 11.
- the method of specifying the position of the tip portion of the jib 922 is not limited to this.
- the pointing device 13 may receive data indicating the turning angle, the tilt angle, and the amount of expansion / contraction of the jib 922 from the control device of the crane 92, and specify the position of the tip portion of the jib 922 based on these data.
- the height of the suspended load (grab 924) is specified based on the image captured by the imaging device 11.
- the method for specifying the height of the suspended load is not limited to this.
- the pointing device 13 receives data indicating the turning angle, the inclination angle, and the amount of expansion / contraction of the jib 922 from the control device of the crane 92, specifies the height of the tip portion of the jib 922 based on these data, and further Data indicating the feeding amount of the rope 923 may be received from the upper device 925, and the height below the feeding amount of the rope 923 from the height of the tip portion of the jib 922 may be specified as the height of the suspended load.
- the height of the suspended load may be specified based on the distance from the predetermined position to the suspended load measured by the distance sensor installed at the predetermined position.
- the predetermined position may be specified based on data indicating the turning angle, the inclination angle, and the amount of expansion / contraction of the jib 922 obtained from the control device of the crane 92.
- the distance sensor measures the distance to the specific structure of the ship 9 (the position in the three-dimensional space is known), the distance from the distance sensor to the specific structure, The height of the suspended load may be specified based on the difference from the distance from the distance sensor to the suspended load.
- the indicating device 13 will determine the difference between these distances measured by the distance sensor.
- the height of the suspended load can be specified based on the height of the hatch combing 912 indicated by the structure three-dimensional shape data.
- the type of distance sensor used in this modification may be any of light and ultrasonic waves, and the distance is measured by any method such as the TOF (Time of Flight) method or the three-point ranging method. You may do it.
- the vertical size of the suspended load is directly input by the operator.
- the method for inputting the vertical size of the suspended load is not limited to this.
- the pointing device 13 can receive data indicating the amount of the rope 923 extended from the control device of the crane 92, the tip (hook) of the rope 923 in a state in which the suspended load is not attached to the hook is attached to the floor. Even if the indicating device 13 specifies the vertical size of the suspended load based on the difference between the unrolled amount of the rope 923 and the unfolded amount of the rope 923 when the tip (hook) of the rope 923 is attached to the upper surface of the suspended load Good.
- the load corresponding to the weight of the suspended load is applied to the rope 923 when the tip of the rope 923 has just reached the height of the upper surface of the suspended load. It takes. Therefore, when the pointing device 13 can receive data indicating the amount of the rope 923 extended from the control device of the crane 92, when the tip (hook) of the rope 923 with no suspended load attached to the hook is attached to the floor.
- the pointing device 13 may specify the vertical size of the suspended load based on the difference from the amount of the rope 923 that has been greatly increased.
- the operator touches the “Set Current Suspended Load Height” button on the target height setting screen (FIG. 8) to determine the height of the suspended load at that time. It can be set as the lower target height.
- the operator can adjust the lower target height set in this way by touching the “decrease target height” button or the “increase target height” button after entering the lowering or raising range. Can do.
- the method of setting the lower target height is not limited to this.
- the indicating device 13 can receive data indicating the amount of the rope 923 extended from the control device of the crane 92, the load is applied while the rope 923 is wound up from the state where the grab 924 is placed on the cargo and the rope 923 is loosened.
- the lower target height may be set by the pointing device 13 based on the amount of extension of the rope 923 when the load measured by the measuring device 12 (the load indicated by the suspended load data) is greatly increased.
- the lower target height is set by the pointing device 13 based on the distance measured by the distance sensor. May be.
- the height below the height of the tip portion of the jib 922 by the distance measured by the distance sensor is It becomes height. Therefore, for example, the height of the upper surface of the cargo thus identified (or a height obtained by adding a predetermined height to the height for safety) may be set as the lower target height. .
- the imaging direction of the imaging device 11 is always maintained vertically downward.
- an error occurs in the position of the jib 922 specified by the jib position specifying unit 135.
- the jib position specifying unit 135 can detect the position of the jib 922 on the horizontal plane in which the error is corrected. Identification may be performed.
- the suspended load height specifying unit 136 does not consider whether the suspended load and the structure are separated from the center position in the image when specifying the height of the suspended load. Even if the suspended load and the structure are at the same height, their size in the image generally decreases as the distance from the imaging direction of the imaging device 11 increases. Further, in many of the lenses used in the imaging apparatus, image distortion increases as the distance from the center increases. Therefore, when the suspended load height specifying unit 136 identifies the height of the suspended load, the size of the suspended load and the structure may be corrected according to the position of the suspended load and the structure in the image.
- the instruction device 13 instructs the hoisting device 925 to wind or lower the rope 923 by transmitting instruction data.
- the method in which the indicating device 13 instructs the hoisting device 925 to wind or lower the rope 923 is not limited to this.
- the hoisting / lowering instructing means 138 has an oil pressure adjusting means for adjusting the hydraulic pressure
- the hoisting device 925 has a hydraulic actuator that By adjusting the hydraulic pressure used for hoisting or lowering, an instruction regarding hoisting or lowering of the rope 923 may be given to the hoisting device 925.
- the ship 9 is a bulk carrier, but the ship 9 may be another type of cargo transport ship.
- the crane 92 is used only for unloading. However, when the crane 92 is used for loading, in the loading, the hoisting or lowering of the hoisting device 925 by the pointing device 13 is performed. Instructions may be given.
- information displayed on the main screen illustrated in FIG. 7 and the progress information display screen illustrated in FIG. 12 is not limited to the types of information illustrated in these drawings.
- the load measured by the load measuring device 12 the load indicated by the suspended load data
- the speed of lowering or lifting the rope 923, and the like may be displayed.
- hoisting / lowering instruction means 139 ... progress information generating means, 911 ... main body, 912 ... hatch combing, 913 ... hatch cover, 921 ... Crane post, 922 ... Jib, 923 ... Rope, 924 ... Grab, 925 ... Hoisting device, 926 ... Operation room
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Abstract
Description
以下に、本発明の一実施形態にかかるクレーン操作支援システム1を説明する。図1は、クレーン操作支援システム1とクレーン操作支援システム1の搭載された船舶9を模式的に示した図である。船舶9はバラ積み船であり、複数の貨物倉91と、複数の貨物倉91に応じて配置されたクレーン92を備える。なお、図1においては貨物倉91およびクレーン92が各々2つであるが、これらの数は船舶9によって異なる。貨物倉91は壁面および底面を構成する本体911と、本体911の上方の開口部であるハッチの周りに設けられたハッチコーミング912と、ハッチコーミング912の上に配置されたハッチカバー913を備える。
(2)貨物の上でグラブ924を閉じて、グラブ924により貨物を掴む。
(3)ロープ923を巻き上げ、グラブ924の最下位置がハッチコーミング912の上面より高い高さ位置に達するまでグラブ924を吊り上げる。
(4)ジブ922を旋回し、また、必要に応じてジブ922を起伏および伸縮し、グラブ924を港に配置されているホッパーの真上まで移動させる。
(5)ロープ923を巻き下げ、グラブ924をホッパーの開口部の少し上の高さ位置まで吊り下ろす。
(6)ホッパーの上でグラブ924を開いて、グラブ924が掴んでいた貨物をホッパー内に落とす。
(7)ロープ923を巻き上げ、グラブ924の最下位置がハッチコーミング912の上面より高い高さ位置に達するまでグラブ924を吊り上げる。
(8)ジブ922を旋回し、また、必要に応じてジブ922を起伏および伸縮し、グラブ924を貨物倉91内の新たに掴みたい貨物の真上まで移動させる。
ジブ位置データが示すジブ922の先端部分の位置。
ジブ922の先端部分の位置が水平面上におけるハッチ内であればハッチ内目標高さデータが示す下方目標高さ。ジブ922の先端部分の位置が水平面上におけるハッチ外であればハッチ外目標高さデータが示す下方目標高さ。
吊り荷上下サイズデータが示すグラブ924の上下サイズ。
ジブ922の先端部分の位置が水平面上におけるハッチ内であれば、構造物三次元形状データが示す貨物倉91の底面の高さ(ジブ922の先端部分の真下位置における貨物倉91の底面の高さ)。
吊り上げ荷重データが示すクレーン92の吊り上げ能力。
吊り荷荷重データが示す吊り荷の重量。
ジブ922の先端部分の水平面上における位置がハッチ外の場合、下方目標高さを到達高さとする。
ジブ922の先端部分の水平面上における位置がハッチ内の場合、貨物倉91の底面の高さにグラブ924の上下サイズを加算し、さらに安全のための所定の高さを加算した高さと、下方目標高さとのうち、高い方を到達高さとする。
(b)開始時刻TSの直後の期間Aにおいては、可能な限り高速でロープ923の巻き下げが行われる。すなわち、期間Aにおいては、巻上装置925はロープ923を完全にリリースし、グラブ924は概ね自由落下する。
(c)終了時刻TEの直前の期間Bにおいては、繰り出されるロープ923に対し、ロープ923にかかる荷重が限界荷重と等しくなる強さでブレーキングが行われる。
吊り荷上下サイズデータが示すグラブ924の上下サイズ。
構造物三次元形状データが示すハッチコーミング912の上面の高さ。
吊り上げ荷重データが示すクレーン92の吊り上げ能力。
吊り荷荷重データが示す吊り荷の重量。
(b)開始時刻TSの直後の期間Aにおいては、ロープ923にかかる荷重が限界荷重と等しくなる強さでロープ923の巻き上げが行われる。
(c)終了時刻TEの直前の期間Bにおいては、ロープ923にかかる荷重が0となるように、ロープ923の巻き上げ速度を減速する。
上述した実施形態は本発明の技術的思想の範囲内において様々に変形可能である。以下にそれらの変形の例を示す。なお、これらの変形例は適宜組み合わせられてもよい。
Claims (10)
- クレーンの吊り荷の現在の高さを示す吊り荷高さデータと、前記吊り荷の移動後に到達すべき高さを示す目標高さデータを取得し、前記クレーンの操作者による前記吊り荷の高さの変更指示に応じて、前記吊り荷を吊っているロープの巻上装置に対し、前記吊り荷高さデータが示す高さから前記目標高さデータが示す高さまで前記吊り荷が移動するように前記ロープの巻き上げまたは巻き下げを指示する巻上巻下指示手段
を備える指示装置。 - 前記クレーンは船舶に配置され、
前記巻上巻下指示手段は、前駆船舶の貨物倉の底面の高さを示す底面高さデータを取得し、前記目標高さデータが示す高さにおける前記吊り荷の最下位置が、前記底面高さデータが示す高さより高い予め定められた高さより低い位置である場合、前記巻上装置に対し、前記目標高さデータが示す高さに代えて、前記予め定められた高さまで前記吊り荷の最下位置が移動するように前記ロープの巻き下げを指示する
請求項1に記載の指示装置。 - 前記クレーンは船舶に配置され、
前記巻上巻下指示手段は、前記船舶の貨物倉からの荷揚げまたは前記貨物倉への荷積みにおける前記クレーンのジブの移動領域の下方に位置する前記船舶の構造物の高さを示す構造物高さデータを取得し、前記吊り荷の最下位置が、前記構造物高さデータが示す高さより高い予め定められた高さとなる前記吊り荷の高さを示す前記目標高さデータを生成する
請求項1または2に記載の指示装置。 - 前記巻上巻下指示手段は、前記クレーンの最大の吊り上げ能力を示す吊り上げ荷重データと、前記吊り荷の重量を示す吊り荷重量データを取得し、前記吊り荷重量データが示す重量に基づき前記吊り荷の巻き上げ中または巻き下げ中の前記ロープに対する荷重が前記吊り上げ荷重データが示す吊り上げ能力より小さい予め定められた荷重を超えないように経時変化する前記吊り荷の速度を特定し、前記巻上装置に対し、当該特定した経時変化する速度で前記ロープの巻き上げまたは巻き下げを行うように指示する
請求項1乃至3のいずれか1項に記載の指示装置。 - 前記クレーンは船舶に配置され、
前記巻上巻下指示手段は、水平面上における前記クレーンのジブの現在の位置を示すジブ位置データを取得し、前記ジブ位置データに応じた前記吊り荷の移動後に到達すべき高さを示す前記目標高さデータを取得する
請求項1乃至4のいずれか1項に記載の指示装置。 - 前記クレーンのジブに配置された撮像装置から撮像された画像において、水平面上における既知の位置から移動しない基準となる構造物を認識する画像認識手段と、
前記画像認識手段により認識された画像における前記基準となる構造物の位置に基づき、当該認識に用いられた画像の撮像時点における前記ジブの水平面上における位置を特定するジブ位置特定手段を備え、
前記巻上巻下指示手段は、前記ジブ位置特定手段により特定された位置を示す前記ジブ位置データを取得する
請求項5に記載の指示装置。 - 前記クレーンは船舶に配置され、
前記クレーンのジブに配置された撮像装置から前記船舶の構造物であって既知の高さから移動しない基準となる構造物と前記吊り荷とを写し込むように撮像された画像において、前記基準となる構造物と前記吊り荷とを認識する画像認識手段と、
撮像位置および前記吊り荷の高さが既知の状態で前記撮像装置により撮像された画像において前記画像認識手段により認識された画像における前記基準となる構造物と前記吊り荷との大きさと、撮像位置および前記吊り荷の高さが未知の状態で前記撮像装置により撮像された画像において前記画像認識手段により認識された画像における前記基準となる構造物と前記吊り荷との大きさとに基づき、前記未知の状態における前記吊り荷の高さを特定する吊り荷高さ特定手段を備え、
前記巻上巻下指示手段は、前記吊り荷高さ特定手段により特定された高さを示す前記吊り荷高さデータを取得する
請求項1乃至5のいずれか1項に記載の指示装置。 - 前記巻上装置は油圧アクチュエータにより前記ロープの巻き上げまたは巻き下げを行い、
前記巻上巻下指示手段は、前記油圧アクチュエータが前記ロープの巻き上げまたは巻き下げに用いる油圧を調整することにより、前記巻上装置に対する前記ロープの巻き上げまたは巻き下げに関する指示を行う
請求項1乃至7のいずれか1項に記載の指示装置。 - コンピュータに、
クレーンの吊り荷の現在の高さを示す吊り荷高さデータを取得する処理と、
前記吊り荷の移動後に到達すべき高さを示す目標高さデータを取得する処理と、
前記クレーンの操作者による前記吊り荷の高さの変更指示に応じて、前記吊り荷を吊っているロープの巻上装置に対し、前記吊り荷高さデータが示す高さから前記目標高さデータが示す高さまで前記吊り荷が移動するように前記ロープの巻き上げまたは巻き下げを指示する処理と
を実行させるためのプログラム。 - コンピュータに、
クレーンの吊り荷の現在の高さを示す吊り荷高さデータを取得する処理と、
前記吊り荷の移動後に到達すべき高さを示す目標高さデータを取得する処理と、
前記クレーンの操作者による前記吊り荷の高さの変更指示に応じて、前記吊り荷を吊っているロープの巻上装置に対し、前記吊り荷高さデータが示す高さから前記目標高さデータが示す高さまで前記吊り荷が移動するように前記ロープの巻き上げまたは巻き下げを指示する処理と
を実行させるためのプログラムを前記コンピュータに読み取り可能に持続的に記憶する記録媒体。
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JP2016535067A JPWO2017141321A1 (ja) | 2016-02-15 | 2016-02-15 | クレーンの操作を支援するための指示装置、プログラムおよび記録媒体 |
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Cited By (6)
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CN108002235A (zh) * | 2017-12-25 | 2018-05-08 | 上海昂丰装备科技有限公司 | 一种垃圾吊冗余控制系统及其控制方法 |
WO2019069665A1 (ja) * | 2017-10-02 | 2019-04-11 | 横河電機株式会社 | 計測システム、制御システム及び計測方法 |
JP2019131394A (ja) * | 2018-02-02 | 2019-08-08 | 株式会社Ihi | 荷揚げ装置 |
WO2019151460A1 (ja) * | 2018-02-02 | 2019-08-08 | 株式会社Ihi | 荷揚げ装置 |
CN111581816A (zh) * | 2020-05-07 | 2020-08-25 | 金陵科技学院 | 干散料三维特征分布与抓取安全检测方法 |
JP2021076711A (ja) * | 2019-11-08 | 2021-05-20 | 株式会社神鋼エンジニアリング&メンテナンス | スクラップ画像撮影システム、スクラップ画像撮影方法、撮影支援装置、及びプログラム |
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JP2019066347A (ja) * | 2017-10-02 | 2019-04-25 | 横河電機株式会社 | 計測システム、制御システム及び計測方法 |
CN108002235A (zh) * | 2017-12-25 | 2018-05-08 | 上海昂丰装备科技有限公司 | 一种垃圾吊冗余控制系统及其控制方法 |
CN108002235B (zh) * | 2017-12-25 | 2024-01-26 | 上海昂丰装备科技有限公司 | 一种垃圾吊冗余控制系统及其控制方法 |
CN111344238A (zh) * | 2018-02-02 | 2020-06-26 | 株式会社Ihi | 卸载装置 |
WO2019151460A1 (ja) * | 2018-02-02 | 2019-08-08 | 株式会社Ihi | 荷揚げ装置 |
WO2019151347A1 (ja) * | 2018-02-02 | 2019-08-08 | 株式会社Ihi | 荷揚げ装置 |
CN111344238B (zh) * | 2018-02-02 | 2021-10-15 | 株式会社Ihi | 卸载装置 |
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JP2019131394A (ja) * | 2018-02-02 | 2019-08-08 | 株式会社Ihi | 荷揚げ装置 |
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CN111581816A (zh) * | 2020-05-07 | 2020-08-25 | 金陵科技学院 | 干散料三维特征分布与抓取安全检测方法 |
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