| 摘要 |
A vehicle guidance system for directing a vehicle (10) along a predetermi ned path comprises an onboard computer (26), a number of distance sensors (1 8, 20, 22, 24), and a steering system (16) controllable by the computer. The predetermined path is stored in a memory (28) of the computer (26) and, in operation, the steering system is controlled to follow the predetermined pat h. The sensors (18, 20, 22, 24) are adapted to measure the distance, lateral ly of the vehicle travel direction A, between the sensors and kerbs (30, 32) provided along the predetermined path, and the computer (27) is adapted to control the steering system (16) to correct any lateral deviation from the p redetermined path as detected by the sensors.
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