发明名称 POSITION ERROR CORRECTING DEVICE FOR AUTOMATIC TRAVELING VEHICLE
摘要 PURPOSE: To provide the device which corrects the current position of own vehicle with a signal sent from a reference position on the ground for the vehicle which recognizes the current position by various sensors and can automatically travel. CONSTITUTION: A lawn mower 1 as the traveling vehicle is equipped with a geomagnetic sensor, a speed sensor, a GPS sensor, an optical fiber gyro, a controller, etc., and mows a lawn along a target track P1 in a lawn mowed area E1 such as a soccer ground where an unmanned self-travel is possible. An error correcting device 1000 installed in the field irradiates an error correcting device L1 with laser light. A photodetecting element provided on the vehicle 1 sends a photodetection signal to the controller to correct an error in the position of the vehicle.
申请公布号 JPH08255018(A) 申请公布日期 1996.10.01
申请号 JP19950058564 申请日期 1995.03.17
申请人 HITACHI LTD;HITACHI KEIYO ENG CO LTD 发明人 MATSUDA YUJI;KAMIYA NORIYUKI;FUJII KENJIRO;AONO TOSHIHIRO;MIYAKE NORIHISA;OTOBO MASAMI;KOBAYASHI KAZUO
分类号 G01C21/00;G05D1/02;(IPC1-7):G05D1/02 主分类号 G01C21/00
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