| 引用本文: | 卜文绍,祖从林,路春晓.考虑电流动态的无轴承异步电机解耦控制策略[J].控制理论与应用,2014,31(11):1561~1567.[点击复制] |
| BU Wen-shao,ZU Cong-lin,LU Chun-xiao.Decoupling control strategy of bearingless induction motor under the conditions of considering current dynamic characteristics[J].Control Theory and Technology,2014,31(11):1561~1567.[点击复制] |
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| 考虑电流动态的无轴承异步电机解耦控制策略 |
| Decoupling control strategy of bearingless induction motor under the conditions of considering current dynamic characteristics |
| 摘要点击 2419 全文点击 1047 投稿时间：2013-09-03 修订日期：2014-05-14 |
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| DOI编号 10.7641/CTA.2014.30930 |
| 2014,31(11):1561-1567 |
| 中文关键词 异步电机 无轴承转子 解耦控制 定子电流动态 转子磁链定向控制 逆系统建模 |
| 英文关键词 induction motors bearingless rotors decoupling control stator current dynamic characteristics rotor flux orientation control inverse modeling |
| 基金项目 国家自然科学基金资助项目(51277053); 河南省国际科技合作项目(114300510029); 河南省教育厅自然基金资助项目(2010B510011). |
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| 中文摘要 |
| 目前的无轴承异步电机解耦控制策略没有考虑定子电流动态影响, 限制了其控制性能的提高. 为此, 本文首先分析了电机的数学模型, 在考虑转矩系统定子电流动态的前提下, 建立了无轴承异步电机的状态方程; 在系统可逆性分析的基础上, 解析推导出了无轴承异步电机的逆系统动态数学模型; 基于逆系统方法, 研究了转速、转子磁链和两个径向位移分量之间的动态解耦控制策略. 仿真研究结果表明: 控制系统具有优良的动态解耦性能和较强的抗负载挠动能力. 所提出的解耦控制策略是有效的、可行的, 并可在一定程度上简化控制系统结构. |
| 英文摘要 |
| For the influence of stator current dynamics not being considered in the existing decoupling control strategy, the improvement of control performance of bearingless induction motor has been limited. To solve the problem, the dynamic model of bearingless induction motor is analyzed firstly. Then, under the conditions of taking the stator current’s dynamic characteristics of torque system into account, the state equations of bearingless induction motor has been established. Under the foundation of reversibility analysis, the inverse model of bearingless induction motor has been derived; based on the inverse system method, the dynamic decoupling control strategy between motor speed, rotor flux linkage of torque system, and two radial displacement components of suspension system, has been researched. Simulation results have shown that the control system of bearingless induction motor not only owns higher dynamic decoupling control performance, but also owns stronger anti-interference ability. The presented decoupling control strategy is effective and feasible; adopting the proposed control strategy, the control system of bearingless induction motor can be simplified to some extent. |
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