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Abstract
Based on current research into the vector control principles of the permanent magnet synchronous motor (PMSM), a control strategy founded upon an Active Disturbances Rejection Controller (ADRC) is proposed. This control strategy consists of an ADRC speed loop and current controller. By studying the factors affecting the running state of a PMSM, a mathematical model is established, and the design principle of the active disturbances rejection controller is analyzed in order to design the ADRC speed loop. The speed loop considers errors caused by uncertain factors, such as external disturbances, to be the disturbance amount, which is observed and then compensated for by the ADRC, thereby improving the dynamic and static performance as well as the anti-disturbance capability of the system. In order to achieve the strong coupling of the PMSM, the current controller was also designed to decouple the d–q axis current. Our simulation and experimental results demonstrate the feasibility and practicability of this control strategy.
Highlights
The energy crisis and environmental issues which characterize the early 21st Century have been generating fear and uncertainty worldwide [1]
The permanent magnet synchronous motor (PMSM) has been widely promoted within the field of electric vehicles, as it possesses a number of desirable characteristics, including a small torque ripple, a wide speed range, a simple structure, a large torque inertia and low vibration noise [3,4,5]
The Active Disturbances Rejection Controller (ADRC) suppresses overshoot by means of the Tracking Differentiator (TD) design transition process theory [10,11,12,13,14]
Summary
The energy crisis and environmental issues which characterize the early 21st Century have been generating fear and uncertainty worldwide [1]. Jingqing of the Chinese Academy of Sciences following in-depth research into modern control theory [10,11,12,13,14] It combines PID control technology based on error feedback, using this to eliminate the Energies. The ADRC suppresses overshoot by means of the Tracking Differentiator (TD) design transition process theory [10,11,12,13,14] It combines PID control technology based on error feedback, using this to eliminate during operation, and observes the external disturbance and parameter variation of the system through the essence of error control, and thereby proposing a new, nonlinear, practical control method the Extended (ESO) [13,14,16]. Ourstable simulation and experimental control is robust, exhibits both and accurate dynamic research tracking.into the control system demonstrate that our proposed control strategy is robust, and exhibits and, the
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