Sliding-Mode-PID Controller Design for Magnetic Levitation System
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Từ khóa:
magnetic levitation (Maglev)
sliding mode control (SMC)
PID combined SMC (PID-SMC).
Tóm tắt
Emission from vehicles is one of reasons causing environmental pollution and affecting to human health. Magnetic levitation (Maglev) train with high speed, comfort, low energy consumption and low emission is a good solution to solve this problem. Study about Maglev system which is presented in this paper is foundation to develop Maglev trains. The paper presents a sliding mode control (SMC) combined PID (PID-SMC) control for issues of regulation and tracking of a Maglev system with uncertainty. First, nonlinear dynamics model of magnetic levitation system is built. Second, a PID controller, whose gains are chosen suitably in order to guarantee the stable state, is applied. Next, to increase the robustness of the system and requirement of uncertainty bound in the design, a SMC controller is proposed to compensate the uncertainties of the dynamics system. All gains of sliding mode control system are generated by experimental method. Final, a composite controller consisting of a PID plus a SMC algorithm is proposed to enhance overall tracking performance. The effectiveness of controllers is verified through experiment results
Tài liệu tham khảo
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Jun 30, 2015
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Cách trích dẫn
Doan Anh Tuan; Nguyen Ho Si Hung. “Sliding-Mode-PID Controller Design for Magnetic Levitation System”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 6, số p.h 91, Tháng Sáu 2015, tr 68-72, https://jst-ud.vn/jst-ud/article/view/1657.
