摘要
分析了新型车辆制动器——电磁制动器制动过程的机理及其关键部件电磁体的受力与磨损状况,根据电磁 体磨损面内外侧磨损的不均匀以及电磁体工作过程中的旋转倾向,提出并设计了非长短轴对称的准椭圆形电磁体 磁路,通过电磁场分析软件Ansoft Maxwell 3D对电磁体磁路进行了分析和理论计算,并对电磁体结构进行了优 化。仿真和试验结果表明,电磁制动器制动时电磁体工作平稳,磨损均匀,制动力满足特定车型的要求,为实现 车辆线控制动打下了基础。
The braking Mechanism of a new-type vehicle brake, electromagnetic brake, as well as its pressure and abrasion on the critical component of electromagnet are analyzed. To minimize the unevenness of abrasion on both sides of the friction surface of the electromagnet and its rotational tendency in operation, a non-axial-symmetry quasi-oval-shaped magnetic circuit is proposed and designed. Theoretical calculation and analysis are conducted on the electromagnetic circuit with electromagnetic field analysis software Ansoft Maxwell 3D, and the electromagnet structure is optimized. Smoothness of the electromagnet in braking operation and abrasion uniformity are proved through simulation and experiment. Meanwhile, the braking power requirements of the specific vehicle model are met. Thus, it provides the basis for implementing the brake-by-wire method for vehicles.
出处
《机械工程学报》
EI
CAS
CSCD
北大核心
2005年第12期205-209,共5页
Journal of Mechanical Engineering
基金
浙江省科技厅重大科技攻关资助项目(2003C11018)。
关键词
电磁制动器
电磁体
非轴对称磁路
Electromagnetic brake Electromagnet Non-axial-paralleled magnetic circuit
