| 摘要 |
PROBLEM TO BE SOLVED: To provide an autonomous travelling service vehicle capable of servicing safely while preventing reduction in service efficiency even under conditions that dust and the like are suspended in the air. SOLUTION: The vehicle comprises: an infrared sensor 5 for detecting presence or absence of an obstacle located remotely; an ultrasound sensor 6 for detecting presence or absence of an obstacle located in the vicinity in the same direction as the detected direction by the infrared sensor 5; and a travelling control device 7 for stopping the vehicle travelling at a normal speed, if at least either of the ultrasound sensor 6 or infrared sensor 5 detects the obstacle. COPYRIGHT: (C)2004,JPO
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