基于Ω型双极供电导轨及多相自解耦平板拾取机构的电动汽车动态无线供电技术研究

电动汽车动态无线供电技术为解决目前电动汽车发展中的电池问题和充电基础设施问题提供了全新的解决方案。本项目针对目前的双极型耦合机构技术体系存在的问题，提出了一种Ω型双极供电导轨和多相自解耦平板电能拾取机构的耦合机构，以及与其相适应的鲁棒控制技术和电磁兼容技术，可有效解决耦合系数零点问题，大幅度提高整体传输效率。基于该新型耦合机构，研究恒定功率和最大传输效率双参数同步控制策略以及多参数扰动下的电能传输鲁棒优化控制方法，有效抑制多参数扰动，提高电能传输稳定性。分析电动汽车金属环境对空间磁场分布影响，建立涡流损耗及空间磁场约束模型，研究有效的磁屏蔽方案，提高系统电磁兼容性。基于该新型耦合机构，构建高效率、高功率密度、快速响应、低成本、强鲁棒性、高电磁兼容性的电动汽车动态无线供电技术体系，为推进我国电动汽车动态无线供电技术的快速发展奠定基础。

Dynamic wireless power supply technology for electric vehicles provides a new solution to the problem of battery and charging infrastructure in the development of electric vehicles. Aiming at the problems existing in the technology system of bipolar coupling mechanism, the project proposed an Omega double pole type power supply rail and tablet self decoupled dual phase power pick-up coupling mechanism and Adaptive control technology and electromagnetic compatibility technology to solve the problem of zero coupling coefficient and improve average transmission efficiency. Based on the new coupling mechanism, the effort of research on analysis of the influence of the electric vehicle metal environment on the spatial distribution of magnetic field, the establishment of eddy current losses and the spatial magnetic field constraint model and the study of effective magnetic shielding scheme to improve the electromagnetic compatibility of the system was shown in the project. Based on such a new coupling mechanism, dynamic wireless power supply technology system for electric vehicles with high efficiency, high power density, low cost, strong robustness, quick response and high electromagnetic compatibility is established, which builds a solid foundation for the rapid development of the dynamic wireless power supply technology of electric vehicles in China.