| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for presuming a road surface friction coefficient capable of presuming a road surface friction coefficient with high precision even for an inconsistent road surface. SOLUTION: An average friction coefficient to the whole of a vehicle is calculated by using acceleration of a vehicle. An average friction coefficient to the whole of the vehicle is distributed in a ratio of a slip ratio of each wheel based on a weighed average slip ratio weighed by a given weight on the slip ratio of each wheel to determine a road surface friction coefficient. COPYRIGHT: (C)2004,JPO
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