- 专利标题： Motor operating region based random pulse width modulation
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申请号： US15997532申请日： 2018-06-04
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公开(公告)号： US10538169B2公开(公告)日： 2020-01-21
- 发明人: Xuemei Sun , Jami J. Miller , Christopher Wolf , Liqun Na
- 申请人： Ford Global Technologies, LLC
- 申请人地址： US MI Dearborn
- 专利权人： Ford Global Technologies, LLC
- 当前专利权人： Ford Global Technologies, LLC
- 当前专利权人地址： US MI Dearborn
- 代理机构： Brooks Kushman P.C.
- 代理商 David B. Kelley
- 主分类号： B60L15/20
- IPC分类号： B60L15/20 ; H02P27/08 ; B60L15/02 ; B60L50/16 ; H02M7/5387
摘要：
A vehicle includes a traction motor having resonance frequency zones, an inverter including switches arranged to drive the traction motor, and a controller. The controller operates the switches only within specified sets of carrier frequencies such that noise side bands corresponding to the carrier frequencies fall outside the resonance frequency zones.
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