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Observer-based hybrid control algorithm for semi-active suspension systems
Alternative TitleObserver-based hybrid control algorithm for semi-active suspension systems
Ren Hongbin1; Chen Sizhong1; Zhao Yuzhuang1; Liu Gang2; Yang Lin1
2016
Source PublicationJOURNAL OF CENTRAL SOUTH UNIVERSITY
ISSN2095-2899
Volume23Issue:9Pages:2268-2275
AbstractIn order to improve ride comfort and handling performance of the vehicle, an adaptive hybrid control algorithm is proposed for semi-active suspension systems. The virtues of sky-hook is combined with ground-hook control strategies and a more suitable compromise for the suspension systems is chosen. The hybrid coefficient is tuned according to the longitudinal and lateral acceleration so as to improve the vehicle stability especially in high speed conditions. Damping continuous adjustable absorber is used to continuously control the damping force so as to eliminate the damping force jerk instead of traditional on-off control policy. Based on suspension stroke measured by sensors, unscented Kalman filter is designed to estimate the suspension states in real-time for the realization of hybrid control, which improves the robustness of the control strategy and is adaptive to different types of road profiles. Finally, the proposed control algorithm is validated under the following two typical road profiles: half-sine speed bump road and the random road. The simulation results indicate that the hybrid control algorithm could offer a good coordination between ride comfort and handling of the vehicle.
Other AbstractIn order to improve ride comfort and handling performance of the vehicle, an adaptive hybrid control algorithm is proposed for semi-active suspension systems. The virtues of sky-hook is combined with ground-hook control strategies and a more suitable compromise for the suspension systems is chosen. The hybrid coefficient is tuned according to the longitudinal and lateral acceleration so as to improve the vehicle stability especially in high speed conditions. Damping continuous adjustable absorber is used to continuously control the damping force so as to eliminate the damping force jerk instead of traditional on-off control policy. Based on suspension stroke measured by sensors, unscented Kalman filter is designed to estimate the suspension states in real-time for the realization of hybrid control, which improves the robustness of the control strategy and is adaptive to different types of road profiles. Finally,the proposed control algorithm is validated under the following two typical road profiles: half-sine speed bump road and the random road. The simulation results indicate that the hybrid control algorithm could offer a good coordination between ride comfort and handling of the vehicle.
KeywordMODIFIED SKYHOOK CONTROL VEHICLE SUSPENSION DESIGN DAMPER semi-active suspension hybrid control unscented Kalman filter (UKF)
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:5821240
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/150017
Collection中国科学院金属研究所
Affiliation1.Beijing Institute Technol, Sch Mech Engn, Beijing 100081, Peoples R China
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Ren Hongbin,Chen Sizhong,Zhao Yuzhuang,et al. Observer-based hybrid control algorithm for semi-active suspension systems[J]. JOURNAL OF CENTRAL SOUTH UNIVERSITY,2016,23(9):2268-2275.
APA Ren Hongbin,Chen Sizhong,Zhao Yuzhuang,Liu Gang,&Yang Lin.(2016).Observer-based hybrid control algorithm for semi-active suspension systems.JOURNAL OF CENTRAL SOUTH UNIVERSITY,23(9),2268-2275.
MLA Ren Hongbin,et al."Observer-based hybrid control algorithm for semi-active suspension systems".JOURNAL OF CENTRAL SOUTH UNIVERSITY 23.9(2016):2268-2275.
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