WORKING VEHICLE

• Main Authors: NISHI KEISHIRO, NAKATSUKASA TAKAHIRO, SHINKAI ATSUSHI, FUKUNAGA TOMOAKI
• Format: Patent
• Language: English; Japanese
• Published: 12.02.2021
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; CONTROLLING; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL; PHYSICS; REGULATING; SOIL WORKING IN AGRICULTURE OR FORESTRY; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES; TRAPPING

To more easily and more accurately measure a position and direction of a vehicle by using a Global Navigation Satellite System.SOLUTION: The working vehicle includes an electronic control system of automatic driving application for allowing a vehicle body to automatically drive, and a plurality of obstacle searching devices 68 each having a sonar containing a vibrator inside and for detecting obstacles around the vehicle body. The plurality of the obstacle searching devices 68 include left and right first range finding sensors 68A attached to the front end of the vehicle body, left and right second range finding sensors 68B attached to the left and right sides at the front side of the vehicle body, left and right third range finding sensors 68C attached to the left and right sides of the vehicle body behind the second range finding sensors 68B, and left and right fourth range finding sensors 68D attached to the left and right sides of the vehicle body behind the third range finding sensors 68C.SELECTED DRAWING: Figure 2 【課題】全地球航法衛星システムを利用した車体の位置及び方位の測定を、より簡単に精度良く行えるようにする。【解決手段】作業車は、車体を自動で走行させる自動運転用の電子制御システムと、内部に振動子を有するソナーからなり、車体の周囲に存在する障害物を検出する複数の障害物探査器６８と、が備えられ、複数の障害物探査器６８として、車体の前端側に取り付けられた左右の第１測距センサ６８Ａと、車体の前側部分における左右両側方に取り付けられた左右の第２測距センサ６８Ｂと、車体のうち第２測距センサ６８Ｂの後方における左右両側方に取り付けられた左右の第３測距センサ６８Ｃと、車体のうち第３測距センサ６８Ｃの後方における左右両側方に取り付けられた左右の第４測距センサ６８Ｄと、が備えられている。【選択図】図２