中国电机工程学报2018，Vol.38Issue(1)：275-284,后插29,11.DOI:10.13334/j.0258-8013.pcsee.171586
电磁轴承高速电机转子多频振动的电流补偿控制
Current Compensation Control of Multiple Frequency Vibrations of the Rotor in Active Magnetic Bearing High Speed Motors
摘要
Abstract
Multiple frequency vibrations of rotor system in active magnetic bearing (AMB)-high speed motors, caused by rotor imbalance, magnetic exciting force and sensor runout, have a great effect on operation precision. In order to suppress the multiple frequency vibrations of the rotor system in the AMB-high speed motors, a multiple frequency vibration control method via currents compensation was proposed. Firstly, based on the four degree of freedom AMB-rigid rotor model of high speed motors, the form of control currents was analyzed, and the multiple frequency current coefficients were defined at the same time. To suppress the multiple frequency vibrations of the AMB-rigid rotor system, a multiple frequency vibration control method via currents compensation was designed. Then, a triangular iterative search algorithm was proposed to identify the multiple frequency current coefficients. In order to overcome the problems in fixed step size search, a variable step size search was adopted. Finally, numerical simulations and experiments were carried out on an AMB-high speed motor system. The results show that the multiple frequency vibration control method via currents compensation proposed not only can achieve accurate identification of multiple frequency currents coefficients, but also can realize multiple frequency current compensation effectively, and the various multiple frequency vibrations are successfully suppressed.关键词
磁悬浮高速电机/主动电磁轴承/多频振动/多频电流系数/迭代搜索Key words
active magnetic bearing/multiple frequency vibrations/maglev high speed motor/multiple frequency current coefficients/iterative search分类
信息技术与安全科学引用本文复制引用
王忠博,毛川,祝长生..电磁轴承高速电机转子多频振动的电流补偿控制[J].中国电机工程学报,2018,38(1):275-284,后插29,11.基金项目
国家自然科学基金项目(11632015,51477155) （11632015,51477155）
先进航空发动机协同创新中心项目. Project Supported by National Natural Science Foundation of China (11632015, 51477155) （11632015, 51477155）
Project of Collaborative Innovation Center of Advanced Aero-engine. （）
