Frequency domain auto-tune for an internal motor controller
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United States of America Patent
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Issued Date -
Feb 21, 2002
app pub date -
Apr 20, 2001
filing date -
Aug 14, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A built-in auto-tuning system of a motor control system provides an auto-tuning of the motor control system. The built-in tuning system generates and applies a plurality of test signals to the controller. In response to the test signals, the tuning system obtains response data such as the gain and phase. Based on the received data, the tuning system detects the crossover frequencies of the control system. The tuning system then calculates the phase and gain margins of the control system. The calculated gain and phase margins are compared with a set of predetermined values by the tuning system to automatically adjust the compensation parameters of the motor control system for a stable operation.
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