发明名称 |
SELF-TUNING TRACKING CONTROLLER FOR PERMANENT-MAGNET SYNCHRONOUS MOTORS |
摘要 |
A self-tuning tracking controller for permanent-magnet synchronous motors is disclosed, providing for velocity or position trajectory tracking even when both the electrical and mechanical parameters of the motor, amplifier, and load are initially unknown. A time-scale simplification of a full-order mathematical model of the motor leads to a discrete-time design model that is reduced-order and that evolves in a mechanical time-scale which is substantially slower than the electrical time-scale, permitting implementation of the self-tuning tracking controller with a lower sampling frequency (and at a lower cost) than is typically expected. A piecewise-linear parameterization of the motor torque-angle characteristic functions allows for identification of higher-order harmonics with a degree of accuracy which is selectable by the user, without requiring more computation than traditional single-term sinusoidal descriptions. Excellent performance is achieved, even with very poor initial motor parameter knowledge. |
申请公布号 |
CA2129761(A1) |
申请公布日期 |
1995.02.12 |
申请号 |
CA19942129761 |
申请日期 |
1994.08.09 |
申请人 |
GEORGIA TECH RESEARCH CORPORATION |
发明人 |
TAYLOR, DAVID G.;SHOUSE, KENNETH R. |
分类号 |
H02P6/06;H02P6/00;H02P6/20;H02P23/00 |
主分类号 |
H02P6/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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