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Method of determining permissible speed of an object and controlling the object

  • US 6,748,300 B2
  • Filed: 10/28/2002
  • Issued: 06/08/2004
  • Est. Priority Date: 05/15/2002
  • Status: Expired due to Term
First Claim
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1. A method for determining a permissible feed speed of an object moving along a command path, at a specific part of the command path, the method comprising:

  • reading command path and command feed speed within a range, the range being one of (i) time required for the object to move along the command path at the command feed speed from the specific part and (ii) distance which the object moves along the command path from the specific part;

    generating a tentative speed command waveform based on the command path read and the command feed speed read;

    calculating a frequency component that corresponds to mechanical vibration of the object that is included in the tentative speed command waveform; and

    calculating a permissible feed speed of the object at which the frequency component does not exceed a reference value.

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