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The single closed-loop direct control of levitation force for bearingless permanent magnet synchronous motor

机译:无轴承永磁同步电动机的悬浮力单闭环直接控制

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In this paper the polar-coordinate mathematical model of levitation force on bearingless permanent-magnet synchronous motor was deduced. The single closed-loop direct control of levitation force was proposed based on the mathematical model deduction and combined with space vector pulse with modulation algorithm. The traditional closed-loop control of levitation current was ignored using the single closed-loop direct control algorithm. The whole levitation control system was simplified. The simulation results show the proposed control strategy can enhance system dynamic performance and achieve stable levitation under rated speed condition.
机译:推导了无轴承永磁同步电动机的悬浮力极坐标数学模型。在数学模型推导的基础上,结合空间矢量脉冲与调制算法,提出了悬浮力的单闭环直接控制方法。使用单个闭环直接控制算法可以忽略传统的悬浮电流闭环控制。整个悬浮控制系统得到简化。仿真结果表明,所提出的控制策略可以提高系统的动态性能,并在额定转速条件下实现稳定的悬浮。

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