摘要
为提高弹用电动舵系统轻负载情况下的最大舵偏角速度,并抑制负载扰动,在表贴式永磁同步电机空间矢量控制算法的基础上提出弱磁自适应控制策略.采用基于电机物理功率限制的弱磁控制算法,实现调速系统在轻负载功率富余时的弱磁升速.设计基于Lyapunov稳定性的速度自适应控制器,克服速度环采用传统PI调节算法时随着负载变化时动态性能弱的缺点.通过Simulink仿真证明该算法能够在实现弱磁升速的同时,具备良好的负载扰动抑制性能.
In order to improve the maximum rotation angular velocity of electromechanical actuator （EMA） under the light load condition and inhibit the load disturbance, the flux-weakening algorithm for SPMSM adaptive speed adjustment is proposed on the basis of space vector pulse width modulation （ gVP- WM）. Firstly, the speed is improved by the flux-weakening algorithm based on physical power limit, when the power of the system is surplus. Then, for the traditional PI algorithm has the disadvantage of weak dynamic performance when load is changeable, a speed adaptive controller based on Lyapunov sta- bility is presented. Finally, it is proved that the algorithm can realize flux-weakening speed growth, and a good performance of load disturbance inhibition by Simulink simulation.
出处
《空间控制技术与应用》
CSCD
北大核心
2017年第1期67-72,共6页
Aerospace Control and Application
关键词
功率富余
弱磁控制
负载变化
自适应控制
power surplus
flux-weakening control
load change
adaptive control
