Sliding-mode-based parameter identification with application to tire pressure and tire-road friction |
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Authors: | D -J Lee Y -S Park |
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Institution: | 1.Department of Mechanical Engineering,KAIST,Daejeon,Korea |
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Abstract: | This paper presents a method of simultaneous estimation of tire pressure and tire-road friction. A sliding-mode scheme is
designed to identify the system state and the parameter variation of a torsional tire system, which greatly depend on the
change in tire pressure. Then, the recursive least-squares method with a forgetting facto is used to estimate the parameter
variations of the tire system and the tire-road friction force without a friction model using the information retrieved from
the equivalent input for sliding motion. A simulation study is performed to illustrate the effectiveness of the proposed method. |
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