Permanent-Magnet DC Motor Actuators Application in Automotive Energy-Regenerative Active Suspensions
Date Published: 2009-04-20
Paper Number:2009-01-0227
DOI: 10.4271/2009-01-0227
Citation:
Zhang, Y., Yu, F., and Huang, K., "Permanent-Magnet DC Motor Actuators Application in Automotive Energy-Regenerative Active Suspensions," SAE Technical Paper 2009-01-0227, 2009, doi:10.4271/2009-01-0227.
An energy-regenerative vehicle suspension is proposed. Permanent-magnet direct-current motors are utilized as the active actuators in automotive suspension. The significant characteristic of the suspension is that vibration energy from the road excitation can be regenerated and transformed into electric energy while good suspension performance can be maintained. The modeling of electrical suspension system has been completed and simulated in Matlab/Simulink. The motor actuator working as a generator is proved to maintain the performance of vibration control and energy-regeneration. The prototype of motor actuator is designed and made. The vibration absorption and regeneration performances are verified by full-vehicle experiments.
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