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Re: 請教有關motor pwm訊號現象
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版主
 
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這個現象是否由電感的反電動式造成的，可以打電話捯 Microchip台北找 葛育中 先生問問。
發表於: 2006/10/25 11:13
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請教有關motor pwm訊號現象
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資深會員
 
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各位:
個人使用dspic的馬達控制晶片,使用互補式pwm輸出,有設定dead time,輸出後由示波器觀看,在pwmh由H降到L時,pwml的L訊號會振盪(振盪的幅度還不小),而pwml由L升至H時,pwmh亦會產生振盪,反之亦然,請問是一定會有的現象?還是有什麼方法解決?
發表於: 2006/10/20 20:12
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