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Abstract

A design scheme of the vehicle magnetic particle clutch with permanent magnets (PM-MPC) is proposed based on the principle of two magnetic fields superposition generated by both of the permanent magnets and the exciting coils. According to the working characteristics of the clutch, working process of the vehicle PM-MPC is analyzed, and the design objectives of the clutch torque are proposed to meet the requirement of vehicle operation under different loads. Based on a domestic economical passenger vehicle as the matching type, the structure parameters of the permanent magnet which can satisfy the design requirement are determined, and the torque performance of the PM-MPC is gained by electromagnetic field computation. Furthermore, it compares and analyzes the torque transmission performance as well as the energy consumption characteristics of the PM-MPC and the electromagnetic magnetic particle clutch (EM-MPC) with the same structural size. Then, the results show that the vehicle PM-MPC in this paper has the advantages of high torque transmission and low energy consumption. Finally, the prototype of PM-MPC is produced which performance is tested. More importantly, the correctness of the design and calculation is verified as expected.

Keywords

PM-MPC torque transmission energy consumption performance test

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Design and analysis of a vehicle magnetic particle clutch with permanent magnets

Abstract

Keywords

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References