针对车辆主动悬挂系统能耗大的问题,设计一种可以回收振动能量的馈能式电磁悬挂系统,以降低能耗,提高能源利用率.充分考虑馈能式电磁悬挂系统的结构和功能特点,给出一种馈能式电磁作动器的设计方法,将作动器的设计要求分为3类——基本要求、功能实现要求和优化设计要求.据此,设计、试制馈能式电磁作动器原理样机,并对其性能进行了试验分析,随动特性试验以检验作动器的摩擦阻力,静态力学特性试验以验证作动器主动出力大小,空载电压特性试验以验证作动器能量回收效果.结果表明,所设计的馈能式作动器能够满足性能要求,可以此构建馈能式电磁悬挂系统.
The problem of large amount of energy consuming in active suspension system is studied.An energyregenerative electromagnetic suspension system is designed.This system can recover the dissipated vibration energy so as to reduce the energy consuming and improve the efficiency of energy utilization.A design scheme of the energy-regenerative electromagnetic actuator is provided with a full consideration of the features of structures and functions of the energyregenerative electromagnetic suspension system.The design requirements of the actuator are classified into 3 categories:basic requirement,function implementation requirement,and optimization design requirement.A principle prototype of the energy-regenerative electromagnetic actuator is designed and prepared.The performance of the actuator is analyzed experimentally.The experiment on following characteristic is conducted to test the frictional resistance of the actuator,the experiment on static mechanical characteristic is performed to acquire the magnitude of the force of the actuator and the experiment on load-free voltage characteristic is done to verify the effect of energy recovery of the actuator.The results show that the designed energy-regenerative electromagnetic actuator can satisfy the performance requirement.It can be used to construct the energy-regenerative electromagnetic suspension system.