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VARIABLE STRUCTURE FIELD ORIENTED CONTROL OF AN INDUCTION MOTOR DRIVE
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| Author(s) |
K. Jezernik; B. Curk; J. Harnik |
| Abstract |
The sliding mode control concept is applied in the outer loop of a servo drive system utilizing a squirrel-cage induction machine. A design procedure is outlined for the the sliding mode speed and position controller. The methods of decoupling and torque linearization for the IM are derived using the field orientation as well as the torque angle control concepts. Sliding mode control with cascaded integral operation is used to reduce steady state error. Acceleration sliding lines are introduced to enable better utilization of the torque capability of the drive system. The parameter insensitive response provided by this method of control is demonstrated. The effects on the dynamic and static performance with varying drive inertia and load disturbance are studied. |
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| Filename: | Unnamed file |
| Filesize: | 2.763 MB |
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| Type |
Members Only |
| Date |
Last modified 2019-08-13 by System |
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