| 基于模糊自整定二自由度PID控制的单相SPWM逆变电源研究 |
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| 引用本文： | 吴忠强,王子洋,邬伟扬. 基于模糊自整定二自由度PID控制的单相SPWM逆变电源研究[J]. 电气传动, 2006, 36(11): 26-29 |
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| 作者姓名： | 吴忠强 王子洋 邬伟扬 |
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| 作者单位： | 燕山大学;燕山大学;燕山大学 |
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| 摘 要： | 针对逆变电源系统,提出了一种模糊自整定二自由度PID控制器的设计方案。该方案能够克服系统参数摄动或外界扰动对系统造成的影响,使系统的鲁棒性和抗扰性均得到明显的改善。将逆变电源分别接阻性负载、突加负载和非线性负载进行仿真研究,可以看出输出电压波形具有较低的THD值,同时还获得了良好的稳态和动态特性。
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| 关 键 词： | SPWM逆变电源 二自由度PID控制 模糊控制 |
| 收稿时间： | 2005-08-30 |
| 修稿时间： | 2005-08-302006-04-26 |
Study on Single-phase SPWM Inverter of Two-degree-of-freedom PID Regulator Based on Fuzzy Logic |
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| Wu Zhongqiang,Wang Ziyang,Wu Weiyang. Study on Single-phase SPWM Inverter of Two-degree-of-freedom PID Regulator Based on Fuzzy Logic[J]. Electric Drive, 2006, 36(11): 26-29 |
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| Authors: | Wu Zhongqiang Wang Ziyang Wu Weiyang |
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| Abstract: | In this paper,a control method of two-degree-of-freedom PID regulator based on fuzzy logic is presented for single-phase SPWM inverter.The method can adapt to the variations of the plant parameter,the performance are still satisfactory under wide operation ranges,robustness and disturbance rejection are greatly improved.Through the simulation study of connecting resistance load,adding load at once and adding nonlinear load,low THD is showed in the output-voltage waveform.The nice static and dynamic characteristic are got. |
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| Keywords: | SPWM inverter two-degree-of-freedom PID fuzzy logic |
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