Design and simulation of nonsingular terminal sliding mode controller for doubly salient electromagnetic generator system

Weili Dai, Jun Ding, J. Fei, Hao Tian
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Abstract

A strategy of nonsingular terminal sliding mode control is proposed for the voltage regulation system of DSEG(Doubly Salient Electromagnetic Generator). The structure of DSEG is described and its mathematical model is established,based on which,the operating principle of voltage regulator based on proposed control strategy is analyzed in detail and the corresponding sliding mode surface equation and sliding mode law are given. The control law parameters are calculated according to the constraint conditions of Lyapunov stability equation and the carrier wave intersection with fixed PWM control. A field-circuit cosimulation model is built based on the electromagnetic finite element analysis technique and the control circuit. The results of steady-state and dynamic simulations for DSEG show that,the voltage regulation system of DSEG based on the nonsingular terminal sliding mode control has excellent steady-state and dynamic performances,with small voltage ripple,short recovery time and little dynamic output voltage variation.
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双凸极电磁发电机系统非奇异终端滑模控制器的设计与仿真
针对双凸极电磁发电机(DSEG)电压调节系统,提出了一种非奇异终端滑模控制策略。描述了DSEG的结构并建立了数学模型,在此基础上详细分析了基于所提控制策略的稳压器的工作原理,给出了相应的滑模面方程和滑模律。根据Lyapunov稳定性方程的约束条件和固定PWM控制下的载波交点计算控制律参数。基于电磁有限元分析技术和控制电路,建立了场路联合仿真模型。稳态和动态仿真结果表明,基于非奇异末端滑模控制的DSEG电压调节系统具有良好的稳态和动态性能,电压纹波小,恢复时间短,输出电压动态变化小。
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来源期刊
电力自动化设备
电力自动化设备 Energy-Energy Engineering and Power Technology
CiteScore
5.30
自引率
0.00%
发文量
8320
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