Kubota Corporation

Omron Corporation

Kenichi Iwami

Shigeki Hayashi

Shunsuke Miyashita

Akihiro Matsuzaki

Atsushi Hayashi

Toshimitsu Yazaki

Shunsuke Edo

Kazuo Sakaguchi

Nobuyuki Okabe

Kunihiko Nishino

Yasuaki Morioka

Hiroki Suga

Kumiko Kobayashi

Tomohiko Sano

Misako Kawai

Osamu Yoshida

Tetsuya Nakajima

Toru Tambo

Sakura Tomita

Makoto Oshitani

Manabu Togo

Takashi Nakabayashi

Yuki Kubota

Kazunari Miyake

Akisato Hori

Kazuma Ishihara

Akira Chabata

Naohiro Ishikawa

Yushi Matsuzaki

Shinnosuke Ishikawa

Shigeyuki Eguchi

Shinichi Kawabata

Yoshihiro Ueda

Yasuhisa Uoya

Yoshihiko Kuroshita

Yoshiyuki Katayama

Yutaka Tahara

Yasunori Fukuda

Toshiki Watanabe

Akihiro Tamura

Makoto Iwai

Miyashita Shunsuke

A harvesting machine includes: a machine main body; a harvesting unit provided forward of the machine main body and capable of swinging upward and downward relative to the machine main body; a height detection unit capable of detecting a height position at which the harvesting unit is located; and an obstacle detection unit capable of detecting an obstacle located forward thereof in a travel direction. The obstacle detection unit includes: a first sensor and a second sensor provided at different positions in a vertical direction, and output detection information regarding a detection area located forward thereof in the travel direction; a selection unit that selects at least either the detection information from the first sensor or the detection information from the second sensor based on the height position of the harvesting unit and a determination unit that determines the obstacle based on the detection information selected by the selection unit.

Harvesting machine, obstacle determination program, recording medium on which obstacle determination program is recorded, obstacle determination method, agricultural work machine, control program, recording medium on which control program is recorded, and control method

Provided is a harvester configured to effect a work-performing traveling for harvesting agricultural products in a field while traveling in the field autonomously. This harvester includes a traveling device effecting the work-performing traveling, a machine body supported to the traveling device, a harvesting section supported to a front portion of the machine body and harvesting the products in the field, an imaging device provided at a front portion of the machine body and at a position higher than the harvesting section so as to view down a product present in an un-worked area located forwardly of the harvesting section, a detecting section detecting abnormality in the field from an image imaged by the imaging device, and a controlling section executing an abnormality situation control as a control in accordance with the abnormality detected in the field.

Agricultural work machine such as harvester

An obstacle detection system for an agricultural work vehicle includes: an obstacle estimation unit that estimates a region in a field based on a detection signal from an obstacle sensor in which region an obstacle is present, and outputs obstacle present region information; an image capturing unit that outputs a captured image of the field; an obstacle detection unit that detects the obstacle from an input image and outputs obstacle detection information; and an image preprocessing unit that generates, as an image to be input to the obstacle detection unit, a trimmed image obtained by trimming the captured image so as to include the region in which the obstacle is present, based on the obstacle present region information and shooting-angle-of-view information regarding the image capturing unit.

Obstacle detection system, agricultural work vehicle, obstacle detection program, recording medium on which obstacle detection program is recorded, and obstacle detection method

Provided is a working vehicle capable of operation and driving that includes a plurality of image capture devicesthat capture an image of surroundings of a vehicle body; a direction detection unitthat detects an advancement direction of the operation and driving; an image selection unitthat acquires, as a detection image, a surrounding area image captured by one image capture deviceof the plurality of image capture devicescapturing a front advancement direction detected by the direction detection unit; and a detection unitthat analyzes the detection image acquired by the image selection unitand detects an obstacle.

Working vehicle, obstacle detection method, and obstacle detection program

A control system includes one or a plurality of functional units, and a control device for exchanging communication data transmitted circularly among the functional units. The control device selects, in accordance with an instruction from a user or in accordance with a predetermined condition, one transfer system of a first transfer system in which a computation processing unit transfers the communication data and a second transfer system in which a DMA controller transfers the communication data.

Control system and control device

A tractor includes: a driver seat on which a driver can sit; a hoodprovided in front of the driver seat; and an antenna unit that receives satellite positioning information. When viewed from the front, an upper end portion of a ROPS and at least part of the antenna unit overlap with each other.

Tractor and working vehicle

This autonomous work vehicle travel system is provided with: a satellite positioning modulethat outputs positioning data indicating a vehicle position of a work vehicle; an area setting unit that sets an area CA to be worked in a work site; a route managing unit that calculates a travel route element set, which is an aggregate of multiple travel route elements constituting a travel route that covers the area CA to be worked, and storing the travel route element set so as to be readable; a route element selecting unit that selects a next travel route element to be traveled in sequence from the travel route element set; and an autonomous travel controlling unit that causes the work vehicleto travel autonomously on the basis of the next travel route element and the vehicle position.

Autonomous work vehicle travel system, travel route managing device, travel route generating device, and travel route determining device

A working vehicle includes a steering device including a steering handle, a vehicle body to travel with either manual steering by the steering handle or automatic steering of the steering handle based on a traveling reference traveling line, and a controller to permit automatic steering based on steering angles of the steering device obtained when the vehicle body travels a predetermined distance while being steered by the manual steering.

Working vehicle

A positioning detection device includes a first obtaining circuit to obtain a satellite signal, a second obtaining circuit to obtain a detection signal of an inertial device, a third obtaining circuit to obtain a traveling state of the vehicle body including straight-traveling and turning of the vehicle body, a first calculator to calculate first positioning information in a satellite navigation system to which the satellite signal is applied, a second calculator to calculate second positioning information in an inertial navigation system to which the detection signal is applied, a third calculator to calculate third positioning information in a hybrid navigation system to which the first positioning information and the second positioning information are applied, and an output circuit to output the third positioning information upon obtaining the straight-traveling and to output the first positioning information and/or the second positioning information upon obtaining the turning.

Positioning detection device and working machine having positioning detection device

A working vehicle includes a vehicle body to travel, a steering handle to be turned to steer the vehicle body, and a steering switch to steer the vehicle body separately from the steering handle. The steering switch may be a switch to be operated in a pressing manner or in a sliding manner to steer the vehicle body. In addition, the steering switch may be arranged around the steering handle.

A travel route management system includes an area setting unit that sets a work site to an outer peripheral area SA and an area CA to be worked on an inner side of the outer peripheral area SA, and a route element selecting unit that sequentially selects a next travel route element to be traveled on next, from among multiple mutually-parallel travel route elements, the travel route elements constituting a travel route that covers the area CA to be worked. The route element selecting unit selects a U-turn travel route for moving from a travel route element serving as a movement origin to a next travel route element serving as a movement destination, the selection being made on the basis of an interval between the movement origin and the movement destination.

Travel route management system and travel route determination device

A work vehicle automatic traveling system includes a route element selecting unit that, on the basis of state information, sequentially selects a next travel route element on which a work vehicle is to travel next, from a travel route element set and a circling route element set. The route element selecting unit includes a cooperative route element selection rule, which is employed when a plurality of work vehicles carry out work travel cooperatively in an area CA to be worked, and an independent route element selection rule, which is employed when a single independent work vehicle among the work vehicles carries out work travel independently in the area CA to be worked. Also described is selecting the next travel route element based on the independent route element selection rule.

Work vehicle automatic traveling system

A positioning detection device includes a first obtaining circuit to obtain a satellite signal, a second obtaining circuit to obtain a detection signal of an inertial device, a third obtaining circuit to obtain a traveling state of the vehicle body including straight-traveling and turning of the vehicle body, a first calculator to calculate first positioning information in satellite navigation system to which the satellite signal is applied, a second calculator to calculate second positioning information in inertial navigation system to which the detection signal is applied, a third calculator to calculate third positioning information in Kalman filter to which the first positioning information and the second positioning information are applied, and an output circuit to output the third positioning information when the third obtaining circuit obtains the straight-traveling and to output the first positioning information and/or the second positioning information when the third obtaining circuit obtains the turning.

A wireless management system for work vehicles includes a first communication device and a second communication device. The first communication device is configured to perform wireless communication in frequency bands to control the work vehicles. The second communication device is configured to perform the wireless communication with the first communication device. The first communication device and the second communication device are configured to select a frequency band from the frequency bands based on wireless transmission data in order to perform the wireless communication for the wireless transmission data in the frequency band.

Wireless management system for work vehicles and method for managing work vehicles in wireless management system

Provided is a computation device including a communication interface; a first transmission control part for sending a first communication frame at every predetermined cycle via a transmission path; a second transmission control part for sending a second communication frame in response to an arbitrary event request; and a priority management part. Upon receiving an issuance request of a second event request from a second event issuance part, the priority management part waits for completion of sending processing for a second communication frame corresponding to a first event request currently processed by the second transmission control part, and permits issuance of the second event request to the second event issuance part. The second transmission control part suspends processing for a subsequent first event request following the first event request currently processed until completion of processing for the second event request is complete.

Growing community of inventors

Sakai, Japan

Kenichi Iwami