Komatsu Corporation

Shinji Mitsuta

Takeshi Kurihara

Yukihiro Nakanishi

Masaomi Machida

Tomikazu Tanuki

Dai Tsubone

Eishin Masutani

Shigeru Harada

Shigeru Ohsugi

Masatake Tamaru

Toshio Yamashita

Hiroyuki Watanabe

Shinya Nakamura

Hiroyuki Itoh

Tsuyoshi Yoshida

Kenji Nishida

Noboru Kanayama

Mitsuhiko Kamado

Hiroyuki Ito

Hideki Tsuji

Motohide Sugihara

Souichi Tsumura

Shin Kashiwabara

Hirofumi Minato

Tetsunori Yamashita

Tetsuya Fujita

Masayuki Konishi

Kouji Okazawa

Naoyuki Kanayama

A perimeter monitoring device is configured to monitor a surrounding of a work vehicle and to display a monitored result on a display device. The perimeter monitoring device comprises a vehicle information detecting part, a plurality of cameras, a bird's-eye image display unit, a plurality of obstacle detecting sensors, an obstacle processing part, and a camera image displaying unit. The vehicle information detecting part detects a speed of the work vehicle. The cameras capture image data regarding the surrounding of the work vehicle. The bird's-eye image display unit displays a bird's-eye image based on the image data. The obstacle detecting sensors detect obstacles in the surrounding. The obstacle processing part issues a warning when an obstacle is detected. The camera image displaying unit displays a camera image adjacent the bird's-eye image. The images are not displayed and the warning is not issued when the vehicle speed exceeds a threshold value.

Perimeter monitoring device for work vehicle

A work vehicle periphery monitoring system which monitors a periphery of a work vehicle with a vessel for loading a load thereon, the work vehicle periphery monitoring system includes: a plurality of object detecting devices each of which is attached to the work vehicle and detects an object existing around the work vehicle; and a controller which notifies an alarm based on a detection result of the object detecting device and switches between a notification mode for notifying the alarm and a restriction mode for restricting the notification of the alarm based on a state of the work vehicle.

Work vehicle periphery monitoring system and work vehicle

Provided is a transporter vehicle including: a vehicle; an object detection device that detects an object at a front side of the vehicle; a collision determination unit that determines a possibility of a collision with the object based on a detection result of the object detection device; a process system that performs a process for reducing damage caused by the collision; a control unit that outputs a signal for reducing the damage caused by the collision to the process system based on a determination result of the collision determination unit; a time point data acquisition unit that acquires time point data in which the signal is output from the control unit; and an output unit that outputs process history data indicating at least a state of the process system. The output unit outputs the time point data and the process history data in association with each other.

Transporter vehicle, dump truck, and transporter vehicle control method

A dump truck having a periphery monitoring apparatus is adapted to display an image of surroundings of the dump truck on a display apparatus. A rearward camera is attached to a vehicle body of the dump truck underneath a vessel of the dump truck and positioned forward of a rear edge portion of the vessel. A rearward camera image captured by the rearward camera includes the rear edge portion of the vessel, an area below the vessel, and an area rearward of the vehicle body. A display control section is configured to display the rear edge portion of the vessel in an upper region of the rearward camera image, to display a ground surface below the vessel in a lower region of the rearward camera image, and to display a vehicle body outer edge line obtained by vertically projecting an outer edge of the vessel onto the ground surface.

Dump truck periphery monitoring apparatus

A transporter vehicle includes: a vehicle; a vessel that is provided in the vehicle; a traveling state detection device that detects a traveling state of the vehicle; an object detection device that detects an object in front of the vehicle; and a collision determination unit that determines a possibility of collision with the object based on a loading state of a load of the vessel, a detection result of the traveling state detection device, and a detection result of the object detection device.

Transporter vehicle and transporter vehicle control method

A working vehicle periphery monitoring system includes: image capturing devices attached to a working vehicle with a vessel and capturing the periphery of the working vehicle to output image information; a bird's eye image synthesizing unit synthesizing the image information to generate a bird's eye image information for displaying bird's eye images of the working vehicle and the periphery thereof; and a display control unit displaying at least one of a first bird's eye image obtained by superimposing a first vessel image including the vessel other than a part of the vessel at a rear side of the working vehicle on an area of the working vehicle in the bird's eye image and a second bird's eye image obtained by superimposing a second vessel image including all of the vessel on the area.

Working vehicle periphery monitoring system and working vehicle

A transporter vehicle includes: a traveling device changing a traveling direction so that one state of a linear movement state and a non-linear movement state changes to the other state thereof; a setting unit setting a determination value related to a change amount in the traveling direction from the linear movement state; a collision prevention system including an object detection device detecting an object in front of the vehicle and a collision determination unit determining a possibility of a collision with the object based on a detection result of the object detection device, the collision prevention system performing a process for reducing damage caused by the collision with the object; and an invalidation unit invalidating at least a part of a process of the collision prevention system based on the determination value and a detection value of the change amount in the traveling direction from the linear movement state.

A periphery monitoring apparatus for a work vehicle includes a plurality of obstacle detection sensors, a warning region setting section and a warning section. The obstacle detection sensors are mounted on the work vehicle, and each of the obstacle detection sensors is configured to determine a relative position of an obstacle with regard to the work vehicle by detecting the obstacle in the surroundings of the work vehicle. The warning region setting section is configured to set a warning region, where it is necessary to warn a driver of a presence of the obstacle, according to a movement state of the work vehicle. The warning section is configured to warn a driver that the relative position of the obstacle is positioned in the warning region.

Work vehicle periphery monitoring apparatus

A transporter vehicle includes: a vehicle; an object detection device which includes a detection area at a front side of the vehicle and detects an object at the front side of the vehicle; a process system capable of performing a process for reducing damage caused by a collision; a specific detection area setting unit which sets a specific detection area having a width of a first dimension in a width direction of the vehicle and a length of a second dimension in a traveling direction of the vehicle in the detection area; a collision determination unit which determines whether an object exists in the specific detection area based on a detection result of the object detection device; and a control unit which outputs a signal for reducing damage caused by the collision to the process system based on a determination result of the collision determination unit.

A perimeter monitoring device for a work vehicle is configured to monitor a surrounding of the work vehicle and display a monitored result on a display device. The perimeter monitoring device includes cameras, a bird's-eye image display unit, obstacle detecting sensors, a camera image specifying unit, and a camera image displaying unit. The camera image specifying unit is configured to specify one or more camera images in which one or more of obstacles are captured when the one or more of obstacles are detected by the obstacle detecting sensors. The camera image displaying unit is configured to display a relevant camera image in alignment with the bird's-eye image on the display device when a plurality of camera images are specified by the camera image specifying unit, the relevant camera image being ranked in a high priority ranking based on a priority order set in accordance with travelling states.

A work vehicle periphery monitoring system which monitors a periphery of a work vehicle including a vehicle body frame supporting front and rear wheels and a vessel loading a load thereon, the work vehicle periphery monitoring system includes: an object detecting device which is attached to the work vehicle and detects an object existing at a rear side of the work vehicle; and a controller which notifies an alarm based on a detection result of the object detecting device and switches between a notification mode for notifying the alarm and a standby mode for stopping the notification of the alarm based on a state of the work vehicle.

A dump truck includes radars attached, facing backward, to a position projected sideward a front fender extended from a lower deck to an upper deck of a front side of the vehicle, in which an irradiation beam has an angle of dip to cross at least a front wheel; and radars attached, facing sideward, to the side of the lower deck, and the radars and the radars are arranged such that a horizontal forward detection limit line of each of the radar and a horizontal backward detection limit line of each of the radar overlap and the horizontal backward detection limit lines of the radar are directed to a side of a center plane of the vehicle to detect the obstacle in the side of the vehicle.

Dump truck with obstacle detection mechanism and method for detecting obstacle

A dump truck includes a body and a plurality of cameras. The body includes an upper deck and a main frame disposed in a longitudinal direction. The cameras are configured and arranged to obtain images to be combined to generate a bird's-eye image to monitor a periphery of the dump truck. The cameras include a front camera, a rear camera and side cameras. The front camera is disposed at the front of the upper deck to obtain an image of an area in front of the body. The rear camera is disposed at a rear end of the main frame to obtain an image of an area in rear of the body. The side cameras are respectively provided on left and right sides of the upper deck to obtain images of an area between diagonally to the front and diagonally to the rear of the body.

Dump truck

A periphery monitoring device () comprises a monitor () that displays a bird's-eye image () that includes an image of a dump truck (), a payload meter ECU () that detects the load of the dump truck (), and a controller () that switches the size of a cargo image (C) displayed over the vessel () of the dump truck () and displays this image on the monitor () on the basis of the detection result of the payload meter ECU (). In a load display device for a dump truck, a plurality of cameras are installed and the load display device monitors the periphery by using a bird's-eye image that combines images obtained by the plurality of cameras. The load display device includes a display component, a detector and a display controller. The display component is configured to display the bird's-eye image including an image of the dump truck. The detector is configured to detect a load of the dump truck. The display controller is configured to switch a size of a simulated cargo image displayed over a vessel of the dump truck based on a detection result of the detector and to display the simulated cargo image on the display component.

Load display device for dump truck

A hydraulic mount includes: a container in which a high-viscosity fluid is liquid-tightly sealed; a rubber mount that is provided on an upper side of the container; a rod that slidably penetrates through the rubber mount; a damper plate that is provided to an end of the rod; a damping force generator that is provided by a clearance between the container and the damper plate; a main fluid chamber that includes an upper fluid chamber and a lower fluid chamber provided by dividing an interior of the container by the damper plate; a volume-variable secondary fluid chamber that communicates with the main fluid chamber; and a pressurizer that generates a differential pressure between the upper fluid chamber and the lower fluid chamber during the movement of the rod.

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Hiratsuka, Japan

Shinji Mitsuta