| 基于波波夫不等式的新型自适应定子磁链观测器设计 |
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| 引用本文： | 全吉男.基于波波夫不等式的新型自适应定子磁链观测器设计[J].工矿自动化,2012,38(4):39-43. |
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| 作者姓名： | 全吉男 |
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| 作者单位： | 宁波大红鹰学院机械与电气工程学院,浙江宁波,315175 |
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| 基金项目： | 黑龙江省教育厅科研面上项目(11551427) |
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| 摘 要： | 在异步电动机矢量控制系统中,定子磁链估算的准确性直接影响其控制的性能。在分析现有基于低通滤波器的磁链观测器存在问题的基础上,提出了用于电动机定子、转子电阻及转速估计的模型参考自适应方案,设计了一种基于波波夫不等式的新型自适应定子磁链观测器。该观测器可准确快速获得定子电阻及转速估计值,性能明显改善。仿真结果验证了其优越性。
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| 关 键 词： | 异步电动机 定子磁场定向 磁链观测器 低通滤波器 模型参考自适应控制 波波夫不等式 |
Design of a Novel Self-adaptive Stator Flux Observer Based on Popov's Inequality |
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| QUAN Ji-nan.Design of a Novel Self-adaptive Stator Flux Observer Based on Popov's Inequality[J].Industry and Automation,2012,38(4):39-43. |
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| Authors: | QUAN Ji-nan |
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| Affiliation: | QUAN Ji-nan(School of Mechanical and Electrical Engineering of Ningbo Dahongying University,Ningbo 315175,China) |
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| Abstract: | In vector control system of asynchronous motor,control performance is often influenced by accuracy of estimated flux value.On the basis of analysis for flux observer based on low-pass filter,the paper put forward a control scheme of model reference self-adaptive used to estimate resistance of stator and rotor and rotate speed of motor,and designed a novel self-adaptive stator flux observer based on Popov’s inequality.The observer can accurately obtain estimated values of stator resistance and rotate speed,and distinctly improve its performance.The simulation result verified advantages of the observer. |
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| Keywords: | asynchronous motor stator flux orientation flux observer low-pass filter model reference self-adaptive control Popov’s inequality |
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