Improved ADRC for a Maglev Planar Motor with a Concentric Winding Structure
Source abstract
Abstract
In the semiconductor industry, positioning accuracy and acceleration are critical parameters. To improve the acceleration speed of a motor, this paper proposes the moving-coil maglev planar motor with a concentric winding structure. The coordinate system has been built for the multiple degrees of freedom movement system. The Lorenz force method has been applied to solve its electromagnetic model. The real-time solving of the generalized inverse matrix of factors can realize the decoupling of the winding current. When the maglev height changes, the electromagnetic force and torque decreases exponentially with the increase of the air gap. To decrease the influence on control system performance by the internal model change and the external disturbance, this paper proposes an improved active disturbance rejection control (ADRC) to design the controller. This new controller overcomes the jitter phenomenon due to the turning point for the traditional ADRC, thus it is more suitable for the maglev control system. The comparison between ADRC and the improved ADRC has been conducted, the result of which shows the improved ADRC has greater robustness.
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Research context
OpenAlex topics: Magnetic Bearings and Levitation Dynamics · Advanced Control Systems Design · Iterative Learning Control Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
Faculty of Technology, Policy and Management(TPM), Delft University of Technology, Delft 2628 BX, The Netherlands
Funding
the National Science and Technology Major Project · the State Key Program of National Natural Science of China under Grant · the China Postdoctoral Science Foundation Funded Project · the National Natural Science Foundation of China · the Fundamental Research Funds for the Central Universities
References (27)
Show source-provided references
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