矿井提升机电励磁同步电机悬停控制研究

Research on hovering control of excitation synchronous motor of mine hoist

针对传统比例积分控制器应用于矿井提升机电励磁同步电机悬停控制中存在的震荡问题,本文提出了一种带有扰动观测器的转速滑模控制器,设计了一种基于滑模控制的高鲁棒性转速控制器,将包含钢丝绳张力的外部载荷视为干扰,并对其进行在线观测和补偿。仿真结果表明,本文所提出的悬停控制能够有效避免悬停过程中频繁的正反转切换问题,并能够克服钢丝绳震荡问题。

Aiming at the oscillation problem of the traditional PI controller applied to the hovering control of the excitation synchronous motor of mine hoist, a sliding mode controller with disturbance observer is proposed in this paper, and a high robust speed controller based on sliding mode control is designed. The external load including wire rope tension is regarded as disturbance, and it is observed and compensated online. The simulation results show that the hover control proposed in this paper can effectively avoid frequent forward and reverse switching in hovering process, and can overcome the problem of wire rope vibration.