期刊
INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY
卷 12, 期 4, 页码 571-577出版社
KOREAN SOC AUTOMOTIVE ENGINEERS-KSAE
DOI: 10.1007/s12239-011-0067-z
关键词
Sliding-mode observer; Recursive least-squares method; Tire torsion model; TPMS
资金
- Korea government(MEST) [2011-0018240]
- Brain Korea 21 projcet of the Republic of Korea
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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