Research on Inerter-Spring-Damper Semi-Active Suspension with Robust Control

Paper #:
  • 2016-01-0428

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0428
Citation:
Wang, R., Ding, R., and Ye, Q., "Research on Inerter-Spring-Damper Semi-Active Suspension with Robust Control," SAE Technical Paper 2016-01-0428, 2016, doi:10.4271/2016-01-0428.
Pages:
7
Abstract:
For coordinating the ride comfort and driving safety, the “inerter-spring-damper” (ISD) system is proposed in this paper, and the “spring-adjustable damper” is adapted to connect with ISD in series, then, a new type of semi-active suspension system is established. In order to verify the system rationality, the ISD semi-active suspension model and robust controller model are established respectively in the AMESim and MATLAB/Simulink environment, which is based on two degrees of freedom suspension model. Then, the co-simulation of ISD semi-active suspension with robust control is analyzed. Compared with the conventional ISD suspension, the results show that, the ISD semi-active suspension with robust control can significantly reduce the body vertical vibration, restrain tire resonance and enhance the tire grounding, that is, this system can coordinate the conflicts between vehicle ride comfort and driving safety.
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