基于电磁和压电复合式振动能量收集的电动汽车传感器自供电技术研究

项目名称： 基于电磁和压电复合式振动能量收集的电动汽车传感器自供电技术研究

项目编号： No.51307070

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 电工技术

项目作者： 桑英军

作者单位： 淮阴工学院

项目金额： 25万元

中文摘要： 电磁和压电复合式振动能量收集技术是振动能量收集领域的热点。目前该技术存在的主要不足是模型的分析困难以及系统工作过程中的稳定性和可靠性问题不易解决。本项目拟在课题组已开展的研究工作基础上，进一步研究电磁和压电复合式振动能量收集技术，完善现有的电磁和压电复合式振动能量收集理论,内容包括：建立更为精确的系统模型,研究提高机电转换效率的优化方法,设计高效的能量管理电路,研究系统输出功率的优化方法；在上述工作的基础上拟开展基于电磁和压电复合式振动能量收集的电动汽车传感器自供电技术研究，内容包括：研究实现工作频率和功率可调的方法，研究系统工作频率、输出功率的稳定性问题，工作周期与储能时间的配合问题以及装置的组装优化等问题。本项目拟采用面向应用和面向设计的方法进行研究，研究旨在完善电磁和压电复合式振动能量收集理论，并推动电动汽车传感器自供电技术方面的研究工作，具有重要的理论意义和实际应用价值。

中文关键词： 电磁；压电；振动能量收集；电动汽车；共振频率

英文摘要： Electromagnetic and piezoelectric hybrid vibration energy harvesting technology is a hotspot in the field of vibration energy harvesting. Currently there are some shortcomings that are difficult to resolve, such as difficult model analysis, system stability and reliability issues. The project intends to further study the electromagnetic and piezoelectric hybrid vibration energy harvesting technology on the basis of the previous research work, and perfect the existing electromagnetic and piezoelectric hybrid vibration energy harvesting theory. The contents include: the establishment of a more accurate model of the system; research the optimization of the mechanical and electrical conversion efficiency; the energy management circuit design; research of the output power optimization method. The research of electric vehicle sensors self-powered technology based on electromagnetic and piezoelectric hybrid vibration energy harvesting will be carried out on the basis of the above-mentioned work, including: methods of adjusting the work frequency and output power; the stability issues of system work frequency and output power, the co-ordination of the work cycle and storage time and device assembly optimization problems. The design methods of application-oriented and design-oriented will be used in this project which ai

英文关键词： electromagnetic；piezoelectric；electric vehicle；vibration energy harvesting；resonance frequency