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Robust Position Control with Induction Motor
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| Author(s) |
Dodds S.J.*, Vittek J. |
| Abstract |
A new position control system for electric drives employing induction motors is presented to allow operation of the drive at low speeds and small torque conditions. System combines robust position outer control loop with the forced dynamics speed control. The load torque and rotor speed estimates from the observer are used to detect the 'low rotor speed, small load torque' operational conditions for switch onto position control. If such conditions are detected a special 'low speed low torque' function is used to super-impose a sinusoidal angular acceleration demand at a chosen frequency and at an amplitude such that the resulting position oscillations fall within the specified limits of the control system. Simulation results presented show good correspondence with theoretical predictions. |
| Download |
| Filename: | EPE-PEMC2000 - 247 - Dodds.pdf |
| Filesize: | 205.2 KB |
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| Type |
Members Only |
| Date |
Last modified 2004-04-28 by System |
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