| 摘要 |
PROBLEM TO BE SOLVED: To provide a traveling vehicle for working, which provides traveling distance data with a certain degree precision even without installing an expensive rotation sensor having high durability in a traveling power system such as transmission. SOLUTION: The combine harvester 1 is equipped with a main speed change lever 10 for performing a main speed change operation of traveling and a main speed change lever potentiometer 15 for detecting the operation position of the main speed change lever 10. The control part 20 of the combine harvester 1 previously memorizes relation between the operation position of the main speed change lever 10 and an actual speed, calculates the speed based on the operation position of the main speed change lever 10 detected by the main speed change lever potentiometer 15 and integrates a traveling distance based on the calculated speed during traveling. COPYRIGHT: (C)2008,JPO&INPIT
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