自组织无线电能传输网关键技术研究

Wireless power transfer technology is a kind of power transmission technology based on physical medium,it has solved the problems on how to supply power to mobile devices safely, flexibly and cleanly，it is a study focus oversea and interiorly.General wireless power transfer technology has transfered power via "spot to spot " mode.The basic frame for wireless power transfer networks has been discussed to solve multi-device power supply in the space, a series of power relay nodes are comprised of a power transfer link, through the power relay nodes the power transfer between the primary node and the pick-up node takes place, some power transfer links can compose the wireless power transfer networks without a centre in networks, and with the peer to peer power transfer nodes, to ensure wireless power transfer efficiency and enlarge wireless power transfer distance synchronously. The main works of the paper include:the basic frame for wireless power transfer networks and self-organizating mechanism.the problem of magnetic resonance frequency robust(to improve power transfer efficiency and ensure power transfer stability ).The bi-directional power flow control technology(the base of node equalization). Power multi-jump transfer route algorithm(to ensure power transfer efficiency),and so on.The wireless power transfer networks is able to supply power to multi-device in the space uninterruptedly (Such as multi-movable robot coordinated work system )and node power equalization control,guarantee of power for the node of wireless sensor network, guarantee of power for distribution satellite and so on.

无线电能传输技术是有效解决电气设备电能灵活、安全接入的最佳解决方案，目前已成为国内外备受关注的研究热点，然而通常意义下的无线电能传输技术只能以"点对点"模式实现电源对受电设备的直接供电。针对空间分布的多设备实时均衡供电问题，提出自组织无线电能传输网概念，以自组织方式构建"接力型"电能传输通道，实现网域内任意位置设备的实时供电和多设备均衡电能保障，有效解决空间随机分布设备群实时供电问题。重点研究自组织无线电能传输网基本架构和自组织工作机制、磁共振频率鲁棒性问题（提高传输效率、保证电能传输稳定性）、电能双向无线传输技术（节点对等性的基础）、能量多跳路由算法（确保电能传输的高效性）等相关瓶颈技术问题。该技术特别适用于空间随机分布设备群（如多移动机器人协同工作系统等）的持续供电和网内节点电能均衡控制，并可推广应用于无线传感器网络的节点电能保障、分布式卫星群能量保障等工程领域。

为实现一定尺度空间范围内任意位置设备的实时供电和多设备均衡电能保障，有效解决空间随机分布设备群实时无线供电问题，项目提出了自组织无线电能传输网技术，以自组织方式构建“接力型”电能传输通道。并围绕该技术中的关键科学问题：自组织无线电能传输网能量路由机制问题、节点鲁棒性问题及无线电能双向传输问题等展开了一系列深入研究。针对自组织无线电能传输网能量路由机制方面，提出了一种基于节点中继的电能多跳式传输模式的能量路由机制；提出了一种基于不均匀分簇机制的能量路由规划，实现电能传输效率最大化。针对无线电能传输网中节点频率鲁棒性问题，基于不动点理论给出了系统稳定性判据，提出一种基于延时干扰的分岔频率输送控制方法；提出了一种基于波形识别的频率识别和控制方法，能够确保系统工作在理想频率。同时项目提出了一种能量信号传输通道共享技术，利用无线电能传输网中电能传输通道实现数字信号实时、双向传输。项目提出的自组织无线电能传输网技术能够有效地解决无线电能传输系统中的瓶颈问题，即传输能效和传输距离之间的矛盾，从而拓展出了一种实现中尺度空间无线电能传输的新模式。