Autotuning method and system based on the bilinear-quadratic filter
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United States of America Patent
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Jul 12, 2005
Grant Date -
Feb 27, 2003
app pub date -
Apr 26, 2002
filing date -
Apr 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A built-in autotuning system of a motor control system provides an autotuning of the motor control system based on BQF. The system measures the effective inertia and determines whether there exists a high-frequency resonance. If there is a high-frequency resonance, the system sets the BQF as a low pass filter, otherwise the system sets the BQF as a high pass filter. The system then adjusts the gains of the controller to set the phase and gain margins within a specified values.
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