灵活高效的电场耦合无线电能传输系统关键技术研究

项目名称： 灵活高效的电场耦合无线电能传输系统关键技术研究

项目编号： No.51477020

项目类型： 面上项目

立项/批准年度： 2015

项目学科： 电工技术

项目作者： 苏玉刚

作者单位： 重庆大学

项目金额： 82万元

中文摘要： 电场耦合电能无线传输（ECPT）技术是以高频电场为媒介实现电能无线传输的新技术。本项目围绕电场耦合机构、电能变换拓扑及参数优化、系统动力学分析、鲁棒综合控制与系统性能提升等方面展开研究，实现电场耦合模式下的灵活、高效无线传能。针对耦合机构扩距引起的电通量密度低及边缘电场泄漏与交叠问题，研究电极几何特征参量与耦合机构电通量密度的关系，提出一种具有非对称压纹面的耦合机构，实现电场的高效耦合；针对耦合机构高频高压激励需求与高频开关器件低压需求之间相互制约矛盾，提出一种电能变换拓扑，并给出基于复合型人工智能理论的电能变换器多目标参数优化方法；针对高阶非线性特性，提出一种系统整体建模分析方法，为系统分析和设计提供理论指导；针对系统参数不确定性引起的稳定性较差的问题，提出一种多目标鲁棒综合控制及性能提升方法。本项目的成果将推动电场耦合无线电能传输技术基础理论体系的完善，推广其应用并促进相关学科发展。

中文关键词： 无线电能传输；电场耦合；耦合机构；参数优化；鲁棒控制

英文摘要： Electrical-field coupled power transfer (ECPT) is a novel technology designed for delivering power wirelessly via high frequency electrical field. In this project, to achieve wireless power transfer with high flexibility and high efficiency via electrical field coupling, key technologies of ECPT system will be investigated on the topics of electrical field coupled structure, power converter topologies and parameter optimization, dynamic behavior analysis, robust synthesis control and improvement of system performance. For the low electric flux density and the existence of the leakage and cross coupling of electric fringe field caused by the increase of the distance between the coupled electrodes, the relationship between the geometry characteristic parameters and the electric flux density will be investigated and a coupling structure with asymmetric embossing surface will be proposed to realize the high efficiency coupling. To solve the problem in relation to the contradictory between the demands of high-frequency and high-voltage on the coupling structure and low voltage constraint on the switches, a power converter topology will be proposed and a parameter optimization method for multiple objectives of the power converter control will be introduced based on composite artificial intelligence theories. Due to the high order nonlinear characteristics, an systematical modeling and analysis method will be proposed which can provide theoretical guidance to the system analysis and design. For solving the poor-stability problems caused by parameter uncertainty, multi-objective robust synthesis control and performance improvement methods will be proposed. The research results of the project will help to establish the fundamental theories of ECPT and the development related subjects and technologies.

英文关键词： wireless power transfer;electric-field coupling;couple structure;parameter optimization;robust control