Abstract
This work develops a half-car model based on hydraulically interconnected energy-regenerative suspension (HIERS) to analyze the vehicle dynamic performances and energy-regenerative characteristics under three working modes of comfort, security and energy-feedback. Also, a multi-mode control system is proposed based on the constant current control method. Taking the road excitation frequency as the multi-mode system switching threshold, a comprehensive investigation on the vehicle dynamic performances is performed. According to the simulation results, it can be found that a 10.77% decrement of body acceleration can be reached under the comfort mode compared with comprehensiveness mode. Apart from that, tire dynamic load under security mode drops by 17.43% and theoretical energy-regenerative power under energy-feedback mode increases by 19.48%. The conclusion proves that the coordinated control of HIERS dynamic performance and energy-regenerative characteristics is achieved.
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Wang, R., Sun, D., Ding, R., Meng, X. (2020). Multi-mode Design and Constant Current Control of Hydraulically Interconnected Energy-Regenerative Suspension. In: Deng, Z. (eds) Proceedings of 2019 Chinese Intelligent Automation Conference. CIAC 2019. Lecture Notes in Electrical Engineering, vol 586. Springer, Singapore. https://doi.org/10.1007/978-981-32-9050-1_42
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DOI: https://doi.org/10.1007/978-981-32-9050-1_42
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