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基于E类功放的电磁感应式电能传输系统滑模控制

Sliding Mode Control for Electromagnetic Inductively Coupled Power Transfer System Based on Class E Amplifier
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摘要 针对电磁感应式电能传输系统中耦合器的传输气隙易受外部扰动问题,提出了一种能实现系统稳压的滑模控制。在考虑系统数学状态模型的基础上,利用李雅普诺夫稳定性理论对系统进行了稳定性分析和证明,并给出了滑模参数的确定方法。然后,利用有限元分析技术对不同传输气隙下耦合器模型的参数进行了分析计算。最后,建立了基于E类功放的电磁感应式电能传输稳压系统仿真模型,进行了气隙扰动下的仿真,结果证明了系统在滑模控制下具有良好的稳定性。 A sliding mode control is proposed to reduce the output voltage vibration caused by the varying air gap in the inductively coupled power transfer( ICPT) system. Considering the state equations of ICPT system,the system stability has been proved by Lyapunov stability theory,and the sliding mode parameters selecting method has also been given. Then,the parameters of the coupler model under different air gap can be obtained by finite element analysis. Finally,the simulation model of ICPT system based on class E amplifier is constructed and the results show that the system has good stability under sliding mode control.
出处 《科学技术与工程》 北大核心 2016年第26期65-69,共5页 Science Technology and Engineering
基金 国家自然科学基金(51207043) 河海大学优秀创新人才支持计划资助
关键词 感应式电能传输 滑模控制 李雅普诺夫稳定性 E类放大器 inductively coupled power transfer(ICPT) sliding mode control Lyapunov stability class E amplifier
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