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使用混沌调制方法实现交流电机电磁干扰抑制

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Application of chaotic modulation to AC motors for electro magnetic interference suppression
Instead of avoiding occurrence of chaos in motor drives, chaos is positively utilized in this paper. A new chaotic pulse width modulation (PWM) scheme is proposed and implemented for AC motors, which functions to significantly suppress harmonic peaks and hence acoustic noise. The key is to employ the Chua's circuit for generating a desired chaotic sequence. By using a practical induction motor, computer simulation and experimental results verify that the chaotic PWM has advantages of harmonic peak suppression and simple hardware implementation over the conventional PWM and random PWM.

electro magnetic interference (EMI), Chua's circuit, chaotic pulse width modulation (PWM).

崔巍、王建宽、江建中

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Shanghai Key Laboratory of Power Station Automation Technology, School of Mechatronics Engineering and Automation,Shanghai University, Shanghai 200072, P. R. China

electro magnetic interference (EMI), Chua's circuit, chaotic pulse width modulation (PWM).

Shanghai Leading Academic Discipline Project

T0103

2007

上海大学学报(英文版)
上海大学

上海大学学报(英文版)

影响因子：0.196
ISSN：1007-6417
年,卷(期)：2007.11(5)
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