A vehicle-mounted flywheel battery suspension control system with suppressed gyroscopic effect and low energy consumption

Abstract

The invention discloses a vehicle-mounted flywheel battery suspension control system capable of suppressing gyroscopic effect and low energy consumption, including a low energy consumption control system and a gyroscopic effect suppressing control system; , after being adjusted by the PID controller and amplified by the power amplifier, the magnetic bearing rotor is controlled to achieve low-power operation. When the disturbance occurs, the feedforward controller changes the control amount according to the size of the disturbance to offset the influence of the disturbance. At the same time, the smith predictor estimates the dynamic effect caused by the disturbance entering the system, and feeds the estimated result back to the PID controller to make it change in advance to compensate for the disturbance; the gyroscopic effect control system is suppressed: the detection signal passes through the displacement sensing module Afterwards, it is sent to the PID controller for decoupling, the coupling term is eliminated, and converted into a current by the force / current conversion module. After the current is amplified, the magnetic bearing is controlled to run smoothly. When the PID controller cannot be adjusted, it is adjusted by the feedforward controller. or to remove disturbances.

Description

technical field [0001] The invention belongs to the technical field of control, and in particular relates to a control system of a magnetic suspension bearing (magnetic bearing). Background technique [0002] Magnetic levitation technology is a new type of support technology that uses magnetic field force to suspend objects in space without mechanical contact with other objects. It has the advantages of no friction, no wear, no lubrication and sealing, high speed, high precision and long life. With the development of electronic technology, magnetic levitation technology has also been developed accordingly, and it has been widely used in many fields such as transportation, aerospace, machinery manufacturing and so on. [0003] The on-board flywheel battery is a new type of battery based on magnetic bearing technology. Compared with traditional chemical batteries, flywheel batteries have the characteristics of strong energy supply, long life, environmental protection and no p...

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Problems solved by technology

[0006] The purpose of the present invention is to address the problems of the existing magnetic bearing gyro effect and high power, to propose a control method based on feedforward control and cross feedback control to suppress the gyro effect, and a method based on feedforward control and smith predictor Low power control method, with good anti-interference ability and control accuracy

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