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Systems and methods for robust vibration suppression in a motion control system

  • US 6,294,891 B1
  • Filed: 11/12/1998
  • Issued: 09/25/2001
  • Est. Priority Date: 08/15/1997
  • Status: Expired due to Fees
First Claim
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1. A method of controlling an actuator of a motion control system, comprising:

  • obtaining an acceleration frequency spectra for each of a plurality of command input functions developed for moving a load a specified distance within a specified move time interval using the actuator, the frequency spectra comprising a series of peaks and notches defined between adjacent peaks;

    selecting from the plurality of command input functions a command input function having a frequency spectra with a notch having a maximum width relative to frequency spectra associated with other ones of the plurality of command input functions;

    applying a selected command input function to the actuator so as to cause the actuator to move the load the specified distance within the specified move time interval.

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