| 基于DSP的无刷直流电动机模糊神经网络调速系统 |
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| 引用本文： | 王晓远,宋鹏,苏轶,田亮,习贺勋.基于DSP的无刷直流电动机模糊神经网络调速系统[J].天津大学学报(自然科学与工程技术版),2006,39(2):149-154. |
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| 作者姓名： | 王晓远 宋鹏 苏轶 田亮 习贺勋 |
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| 作者单位： | [1]天津大学电气与自动化工程学院,天津300072 [2]北京电力公司工程管理中心,北京100062 |
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| 基金项目： | 天津市自然科学基金资助项目（023602911）. |
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| 摘 要： | 为有效降低直流无刷电动机固相电流换相而引起的转矩脉动，设计出以TMS320LF2407为核心的全数字调速系统．给出了硬件电路的设计，驱动电路简单、高效；分别对参数自调节模糊控制器和BP神经网络控制器做出了数学解释；提出以系统超调量为判据实现切换的双模控制系统；论述了在换相过程中保持PWM占空比等于1来减小换相转矩脉动的方法．实验结果表明，该系统具有明显优于PI调节器的转矩脉动抑制效果、较强的鲁棒性及抗干扰能力，且超调更小，响应时间更快（超调量减少12％，响应时间缩短30％）。
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| 关 键 词： | 模糊理论 神经网络 无刷直流电动机 速度 调节器 |
| 文章编号： | 0493-2137（2006）02-0149-06 |
| 收稿时间： | 2004-09-17 |
| 修稿时间： | 2004-09-172005-03-30 |
Fuzzy Neural Network Speed Regulator of Brushless DC Motor Based on DSP |
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| WANG Xiao-yuan,SONG Peng,SU Yi,TIAN Liang,XI He-xun.Fuzzy Neural Network Speed Regulator of Brushless DC Motor Based on DSP[J].Journal of Tianjin University(Science and Technology),2006,39(2):149-154. |
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| Authors: | WANG Xiao-yuan SONG Peng SU Yi TIAN Liang XI He-xun |
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| Institution: | 1. School of Electrical and Automation Engineering, Tianjin University, Tianjin 300072, China; 2. Management Centre for Project, Beijing Electric Power Corporation, Beijing 100062, China |
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| Abstract: | A speed feedback structure is put forward as a solution to minimizing ripple of torque produced by commutation of phase current of brushless DC motor. The design for hardware circuit are given; a parameter self-correction fuzzy controller and a neural network controller are mathematically interpreted; a method to switch between both controllers according to overshoot is set forth; and the way to keep PWM duty cycle equal to 1 to reduce ripple of torque is demonstrated. Experimental results show significant reduction in overshoot and response time by 12% and 30% respectively. So it's more applicable to minimize ripple of torque compared to a PI regulator. |
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| Keywords: | fuzzy theory neural network brushless DC motor speed regulator |
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