Abstract
Low thrust, high force ripple and low regenerative efficiency are the major disadvantages of the electromagnetic active suspension. The design method of a high thrust, low force ripple and high regenerative efficiency actuator is investigated in this paper. Using Halbach permanent magnet array, an analysis model of actuator is built. A quantitative analysis for local sensitivity of parameters is established based on modified Morris method. For the distribution of gap magnetic field and induced electromotive force (induced EMF), the parameter of permanent magnet and flute profile has been optimized. The method of increasing end thickness is employed to decrease the ripple. After optimization, the energy—regenerative ability, electromagnetic force (EM force) and the force ripple have been improved a lot. Finally, the parameters matching calculation of EM force and active force have been validated which indicates that this actuator satisfies requirements for active suspension.
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© 2016 Springer Science+Business Media Singapore
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Peng, C., Zheng, L. (2016). Design and Optimization of Halbach Active Suspension Actuator of Vehicle. In: Proceedings of SAE-China Congress 2015: Selected Papers. Lecture Notes in Electrical Engineering, vol 364. Springer, Singapore. https://doi.org/10.1007/978-981-287-978-3_8
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DOI: https://doi.org/10.1007/978-981-287-978-3_8
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