Method and device for detecting a jam

Method and device for detecting a jam

  • CN 101,688,418 B
  • Filed: 06/24/2008
  • Issued: 06/03/2015
  • Est. Priority Date: 06/28/2007
  • Status: Active Grant
First Claim
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1. adjust drive unit when automobile component adjusts for identifying the method for jam by means of one, wherein relevant to adjustment force (F) measured value and a limiting value (F rEF) compare, adjust when this limiting value reaches motion underspeed or stop, reverse if desired, it is characterized in that, the speed of detection part or one and the correlative parameter of its tool, and limiting value (F rEF) be modified according to this parameter or speed, in order to limiting value (F rEF) change, speed is used LPF, and speed stands an asymmetrical filtration, wherein implements a weak filtration when speed rises, and implements a strong filter when falling at speed.

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