Journal
JOURNAL OF VIBRATION AND CONTROL
Volume 22, Issue 6, Pages 1560-1567Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1077546314543728
Keywords
Vehicle suspension; consecutive SCHs; chaotic vibration; feedback control
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Funding
- Fundamental Research Funds for the Central Universities [CDJXS12170002]
- Fundamental Research Funds for the Board of Education in Chongqing Municipality [KJ112002]
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It is well known that chaos phenomenon is harmful for a nonlinear mechanical vibration system. For a running vehicle, chaotic vibrations may lead to early damage to road and the component of vehicle or even bring physical injury to crew member. In this paper, we first studied the possibility of chaotic vibration of the four degree-of-freedom half vehicle model under consecutive speed control humps on the highway. Then, a direct variable feedback control is proposed to eliminate the influence of chaos on vehicle nonlinear vibrations and how to select proper control parameters is discussed.
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