OPTICAL GUIDANCE DEVICE FOR UNMANNED CAR

Japanese Patent JPS62287309

A

PURPOSE:To continuously and smoothly steer an unmanned car by a simple structure, by detecting a shift amount as a reflected light quantity from a guidance zone, when a car has been shifted from the guidance zone, obtaining an analog steering signal corresponding to this reflected light quantity, and driving a steering motor. CONSTITUTION:The quantity of a reflected light which is reflected light which is reflected by a guidance zone 11 and photodetected by a photoelectric transducers 13 and 14 is varied by a shift from the guidance zone 11 of a car body 35, and outputs of the photoelectric transducers 13, 14 and a differential amplifier 15 are varied, therefor, these outputs are in a prescribed relation to a shift amount from the guidance zone 11 of the car body 35. In this state, when a steering angle signal generating circuit 16 which has received the output of the differential amplifier 15 sends a steering angle signal which has related the output of the differential amplifier 15, a turning angle (steering angle) of a wheel 20, and a turning speed (steering speed), to a steering motor driving 17, the steering motor driving device 17 turns a steering motor 18 to the right or the left in accordance with a steering angle circuit.

WO/2023/224295	MOBILE ROBOT AND METHOD FOR CONTROLLING MOBILE ROBOT
JP5900996	Automatic guided vehicle
JP2618590	METHOD FOR LAYING GUIDE LINE

WATANABE HISATSUGU
SUZUKI YUKI

JP13130586A

December 14, 1987

June 06, 1986

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KITO KK

G05D1/02; (IPC1-7): G05D1/02

JPS53100581A

1978-09-02

Takashi Kumagai

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