Abstract: A work machine includes: a work implement including a bucket; a bucket position obtaining unit that obtains a position of the bucket; a distance calculating unit that calculates a distance between the position of the bucket obtained by the bucket position obtaining unit and a design topography of an execution object; and a recording unit that records existing topography data corresponding to the position of the bucket, based on the distance calculated by the distance calculating unit.

Abstract: A work vehicle includes an operation apparatus, a transmission having a plurality of gear positions, and a controller configured to control shift of a gear position of the transmission to a gear position equal to or lower than a shift upper limit position based on a vehicle speed of the work vehicle. The controller makes setting to raise the shift upper limit position by one position based on a first operation having been performed onto the operation apparatus. The controller changes the shift upper limit position from a first shift upper limit position immediately before a second operation different from the first operation to a second shift upper limit position based on the second operation having been performed onto the operation apparatus. The second shift upper limit position is higher than the first shift upper limit position by at least two positions.

Abstract: A hydraulic excavator which is a work vehicle includes a traveling apparatus, a revolution frame mounted on the traveling apparatus and including a lower frame, and a first radar arranged on a side surface of the lower frame, the side surface of the lower frame extending in a fore/aft direction and being arranged on left and right, the first radar being provided at a position closer to a rear end portion of the lower frame.

Abstract: Provided is a data transmission system for a work machine, including: a customization definition receiving unit configured to receive customization definition information indicating the contents of processing on data collected from the work machine and a validity period of the processing, and a transmission unit configured to transmit to an external device, the data in accordance with the contents of the processing in the validity period indicated by the received customization definition information.

Abstract: A stator capable of controlling an increase in a size of a motor is provided. The stator includes a stator core and coils. The stator core includes mounted teeth on which the coils are mounted and non-mounted teeth on which the coils are not mounted. Each of the coils includes a coil end portion that protrudes in an axial direction from the stator core, and a terminal portion connected to a connecting wire that connects the coils to each other. The terminal portion protrudes in a circumferential direction from the coil end portion in such a manner as to overlap with at least a part of the non-mounted teeth in the axial direction.

Abstract: The work equipment for the motor grader includes: a drawbar having a drawbar plate; a bearing having an outer ring and inner ring, the outer ring being fixed to a lower surface of the drawbar plate and the inner ring, disposed inside the outer ring ring; a circle having a circle plate that is fixed to a lower end of the inner ring over the peripheral direction; a blade supported by the circle; a peripheral-direction pipe extending in the peripheral direction of the outer ring along a peripheral surface of the outer ring and connected to an end portion of an outer peripheral side of the plurality of lubricant supply holes; and the lubricant inlet port connected to the peripheral-direction pipe and capable of introducing a lubricant oil from an outside.

Abstract: An information management device of a work machine includes an information collection unit that collects vehicle information of the work machine, an information analysis unit that analyzes the vehicle information to generate analysis information, a selection definition storage unit that stores a selection definition that defines transmission propriety information indicating whether it is allowed to transmit the vehicle information and the analysis information to a general-purpose processing function unit, and an information selection unit that selects, based on the selection definition, information to be transmitted to the general-purpose processing function unit.

Abstract: A work vehicle includes work equipment having a work tool and a support member supporting the work tool. A display control system controls a display device provided outside the work vehicle. The display control system includes a captured image acquisition unit, a supplementary image acquisition unit, a display image generation unit, and a display control unit. The captured image acquisition unit acquires a captured image captured by an imaging device mounted on the work vehicle. The supplementary image acquisition unit acquires a supplementary image representing information related to the work vehicle. The display image generation unit generates a display image in which the supplementary image is disposed in an area where a side surface of the support member can be shown in the captured image. The display control unit outputs a display signal in order to display the display image on the display device.

Abstract: A work machine includes a work implement and a vehicle body including a first vehicle body portion, a mount attached to the first vehicle body portion, and a second vehicle body portion supported on the first vehicle body portion via the mount. A control system for the work machine includes a vehicle body positional sensor, a work implement positional sensor, and a controller. The vehicle body positional sensor is attached to the second vehicle body portion and outputs vehicle body position data indicative of a position of the second vehicle body portion. The work implement positional sensor is attached to the second vehicle body portion and outputs work implement position data indicative of a relative position of the work implement with respect to the second vehicle body portion. The controller calculates a position of the work implement based on the vehicle body position data and the work implement position data.

Abstract: Provided are a cab for a work machine and a work machine capable of preventing a door from opening against an operator's intention. The cab includes a cab body, a door, and a gas spring. The cab body is formed with a doorway. The door is rotatably supported on the cab body. The door opens and closes the doorway. The gas spring biases the door in the closing direction.

Abstract: A valve plate of a hydraulic pump/motor, includes a high pressure-side port and a low pressure-side port, a first oil groove provided to be endless in an outer peripheral part of the high and low pressure-side ports, and a plurality of second oil grooves. Further, a plurality of pad oil grooves communicating with the first oil groove and opened toward the end face of the cylinder block is provided in an outer peripheral portion of the high pressure-side port, at least in a portion being on a downstream side of the relative rotation, in a pad region contacting the end face of the cylinder block, and the plurality of pad oil grooves is provided such that a proportion of an opening area to the end face of the cylinder block is larger on the downstream side than on an upstream side of the relative rotation.

Abstract: A work machine comprises a body, a ripper apparatus that is disposed behind the body, and an imaging device that is mounted to the body and images the ripper apparatus. The ripper apparatus includes a shank, a ripping tip that is attached to an end of the shank, a beam that supports the shank, and a ripper arm that interconnects the body and the beam. The imaging device images the ripper apparatus sideways and captures an image in a range including at least a portion of the shank, at least a portion of the beam, and at least a portion of the ripper arm.

Abstract: A control system of a loading machine, having working equipment including a bucket, includes a control device. The control device detects a first surface of an excavated object excavated by the bucket during excavation work, calculates an under-excavation load angle indicating an angle of the first surface with respect to the horizontal plane on the basis of detection data of the first surface, and estimates the weight of the excavated object on the basis of the under-excavation load angle.

Abstract: A movement processing unit is configured to generate operation signals of a work equipment and a swing body for moving a bucket to a loading point based on a start command of an automatic movement of the bucket. A stop processing unit is configured to brake a swing of the swing body based on a stop command of the automatic movement of the bucket, and is further configured to generate an operation signal for retreating the work equipment when a height of the bucket is lower than the loading point.

Abstract: A time period for which an ineffective operation is performed during an excavation work is reduced. A work machine includes a vehicular body, a running wheel rotatably attached to the vehicular body, a work implement operable with respect to the vehicular body, an operation apparatus for operating the running wheel and the work implement, and a controller that controls an operation by the work machine. The controller determines that an ineffective operation in which the work implement does not work is being performed during the excavation work based on an operation command value output from the operation apparatus and notifies an operator of occurrence of the ineffective operation.

Abstract: The differential control device prohibits or limits a differential motion generated by the differential device. The sensor detects a turning angular velocity of the motor grader. Based on the turning angular velocity detected by the sensor, the controller controls the differential control device to perform the differential prohibition or limitation.

Abstract: A valve plate of a hydraulic motor includes first and second pressure ports, and first and second oil grooves, the first and second pressure ports being alternately communicated with a cylinder bore in a cylinder block by bidirectional relative rotation in a state of being in contact with an end face of the cylinder block. Further, pad oil grooves communicating with the first oil groove and opened toward the end face of the cylinder block are provided in outer peripheral portions of the first and second pressure ports in a pad region, and the plurality of pad oil grooves is provided such that a proportion of an opening area to the end face of the cylinder block is larger at two end portions close to the second oil grooves than at a central portion separated from the second oil grooves in a circumferential direction of relative rotation.

Abstract: A stator includes: a stator core having teeth and slots; and coils including outer coils arranged at a first distance from a center of the stator core and inner coils arranged at a second distance shorter than the first distance, wherein the slots include first slots that the outer coils are arranged and second slots that the inner coils are arranged, a depth of the first slots is deeper than that of the second slots, each of coil sets is formed of each of the inner coil and the outer coil arranged to overlap with a part of the inner coil, phases of the inner and outer coils are different in each of the coil sets, the coil sets include first, second, and third coil sets, and a combination of the phases of the inner and outer coils varies among the first, second and third coil sets.

Abstract: A work vehicle includes a work implement. A control system for the work vehicle includes a controller. The controller acquires an end position and a target distance of work performed by a work vehicle. The controller determines, as a start position, a position that is away from the end position by the target distance. The controller generates a command signal to start work from the start position toward the end position and to operate the work implement according to a target design topography. The controller modifies the target distance based on a result of the work.

Abstract: A bucket height notification device includes a bucket height specification unit and a bucket height notification unit. The bucket height specification unit specifies a bucket height from a ground surface to a bucket of work equipment included in a work vehicle related to remote operation. The bucket height notification unit notifies of the bucket height.