Method and device for inversely controlling fuzzy compensation of radial position of bearing-free synchronous reluctance motor

• Main Author: ZHANG HANNIAN
• Format: Patent
• Language: Chinese; English
• Published: 11.07.2012
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The invention discloses a method and a device for inversely controlling the fuzzy compensation of the radial position of a bearing-free synchronous reluctance motor, which is suitable for the suspension operation control of the bearing-free synchronous reluctance motor. The control method comprises: forming a composite controlled object by using an expanded hysteresis loop PWM inverter and the radial position of a controlled motor; reconstructing an inverse system of the composite controlled object; connecting the inverse system before the composite controlled object in series to compound a pseudo linear system consisting of two radial position subsystems; and designing a closed-loop fuzzy compensator for the pseudo linear system to perform decoupling control of the radial position of thecontrolled motor. The control device comprises the inverse system, the closed-loop fuzzy compensator and the expanded hysteresis loop PWM inverter. The method and the device are used for building a novel decoupling control de