| 摘要 |
The invention is a method and an apparatus for determining travel data of a travel device when wheels or rollers of the travel device intermittently have ground contact. The apparatus has an odometer on at least one measuring roller. For the correct determination of the travel data, there is a correcting device for correcting the path length measured by the odometer in the case of interruptions of the ground contact of the measuring roller. In the case of established, sporadic interruptions of ground contact, the measured path length is corrected for obtaining the actually covered path length.
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