摘要
文中针对传统直接转矩控制系统中PI算法对电机参数和负载变化敏感的不足,提出了一种复合滑模控制器,该控制器由一积分切换自适应滑模控制器并联一积分环节构成。经仿真验证,表明该方法能提高系统鲁棒性,在相同仿真条件下,比使用传统PI算法,使得转矩和转速的波动分别减小了15%和4%左右,从而证明了该方法的可行性。
The PI algorithm in the traditional direct torque system isn't sensitive enough to the variance of system parameter and load. a complex sliding-mode controller was proposed. The controller consists of adaptive sliding-mode based on integral switching and integral part. The results of computer simulation verify the new controller can improve robustness under the same simulation condition. The 15 % torque and around 4% velocity fluctuation has been reduced compared with the traditional PI algorithm, the effectiveness of the designed scheme is showed.
出处
《弹箭与制导学报》
CSCD
北大核心
2008年第2期29-32,共4页
Journal of Projectiles,Rockets,Missiles and Guidance
基金
全国优秀博士论文作者专项资金(200250)资助
关键词
永磁电机
滑模变结构
直接转矩
permanent-magnet synchronous motor
variable structure sliding mode
direct torque