SELF-TRAVELING DEVICE AND PROGRAM THEREFOR

Japanese Patent JP2005122530

A

To determine whether a self-traveling device correctly travels in accordance with an intentional algorithm from a traveling time in a designated area.

The self-traveling device is provided with a traveling time measurement part 12 which measures the traveling time of the self-traveling device, a traveling time accumulation part 13 which accumulates the traveling time, and an abnormality determination part 10 which compares the latest traveling time accumulated in the traveling time accumulation part 13 with the traveling time of this time. Consequently, when the difference of fixed value or larger exists in the time compared, it is determined that the self-traveling device does not travel in accordance with the intentional algorithm, and abnormality detection is possible which estimates that the difference is caused by the abnormality occurring to a sensor or a traveling means.

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YAMAZAKI NAOKI
NODA KEIKO
KAKO HIROAKI

JP2003357698A

May 12, 2005

October 17, 2003

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MATSUSHITA ELECTRIC IND CO LTD

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

Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito

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