Simulated encoder pulse output system and method
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United States of America Patent
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May 18, 2010
Grant Date -
Apr 2, 2009
app pub date -
Sep 28, 2007
filing date -
Sep 28, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention includes a system and method for generating simulated encoder outputs in a control system. An output pulse width between reference position inputs is computed, the output pulse width being based upon a difference between an updated reference position input and a previous reference position input, and upon a time interval between the reference position inputs. Next, a plurality of simulated encoder pulses is output between updates of the reference position input based upon the computed output pulse width. The output pulse is thereafter adjusted in a closed loop manner between updates of the reference position input.
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