Abstract
A new type of electromagnetic linear actuator for vehicle active suspension was designed, with the characteristics of large stroke and force and fast response. Combined with the finite element analysis software, the effects of actuator structure parameters such as gap thickness, the secondary stainless steel thickness, the secondary copper thickness, permeability and conductivity of insulation stall on actuator thrust size and speed response were studied. And the effects of actuator power parameters such as voltage, frequency and load mode on actuator thrust size and speed response were also studied. The results show that the electromagnetic force is closely related to structural parameters such as the gap thickness, except for the conductivity of insulation stall. And the electromagnetic force is proportional to the square of the voltage, and first increases and then decreases with the frequency, getting the maximum at 20 Hz. The mathematic model of the actuator was also built up. Based on the simulation results, a prototype of electromagnetic linear actuator with appropriate parameters was developed. And the electromagnetic force test of the actuator was done. By comparison of the finite element simulation results and the experimental data, it shows the corresponding results are consistent, indicating that the design and analysis of the electromagnetic actuator is correct.
F2012-E12-001
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References
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Acknowledgments
The authors wish to express sincere gratitude to the reviewers for their invaluable suggestions and comments. And the authors also would like to thank Chongqing Bureau of Quality and Technology Supervision and Chongqing Shi Jiaoyu Weiyuanhui for their financial support.
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Fei, L., Chaoqun, H. (2013). Modeling and Experimental Research About a New Type of Vehicle Active Suspension Electromagnetic Actuator. In: Proceedings of the FISITA 2012 World Automotive Congress. Lecture Notes in Electrical Engineering, vol 196. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33738-3_23
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DOI: https://doi.org/10.1007/978-3-642-33738-3_23
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