提升自主水下航行器续航的无接触电源传输软开关电路研究

需积分: 0 1 下载量 81 浏览量 更新于2024-09-06 收藏 402KB PDF 举报
本文主要探讨了自主水下航行器(AUV)中的非接触电能传输系统的研究,由王宏健、于乐、李娟和刘向波等人在哈尔滨工程大学自动化学院共同完成。随着对AUV续航能力和活动范围的需求增强,无线能量传输技术的应用日益广泛。非接触电能传输系统通常依赖松耦合变压器,然而这种连接方式导致系统的传输效率较低,是制约其性能的关键因素。 针对这一问题,论文提出了一种利用软开关电路来改善非接触电能传输系统效率的方法。软开关电路设计旨在降低开关损耗,特别是通过减少非最小电压应力来实现。研究者首先分析了传统的被动无损耗吸收电路,并在此基础上创新性地设计了一种基于 Buck 变换器的新型被动无损耗吸收电路。这种设计考虑了电路的高效运行,旨在通过优化开关行为减少电压应力对元器件的影响,从而提升整个系统的能源转换效率。 作者王宏健,1971年出生,女性,教授,她的研究领域包括AUV控制系统、机器人与智能控制以及船海工程动力定位。她在文中强调,实验结果显示,所设计的软开关电路成功地实现了较高的传输效率,这对于提升自主水下航行器的续航能力和任务执行范围具有重要意义。此外,该研究还得到了国家自然科学基金的支持(项目编号:E091002/50979017)。 这篇论文不仅提供了理论上的分析,还展示了实际应用的可行性,对于推动自主水下航行器的能源管理技术进步具有重要的参考价值。它为解决非接触电能传输系统中效率问题提供了新的思路,对于未来的水下无人设备发展具有长远的影响。通过阅读这篇文章,读者可以深入了解软开关电路在非接触电力传输中的关键作用,以及如何将其应用于实际工程设计中以提升系统的整体效能。

WIDE bandgap devices, such as silicon carbide (SiC) metal–oxide–semiconductor field-effect transis- tors (MOSFETs) present superior performance compared to their silicon counterparts [1]. Their lower ON-state resistance and faster switching capability attract lots of interest in high-power- density applications [2]. Faster switching speed enables lower switching loss and higher switching frequency, which is benefi- cial to high-efficiency and high power density. However, severe electromagnetic interference (EMI) and transient overvoltage issues caused by fast switching speed jeopardize the power quality and reliability of converters [3], [4]. Therefore, there is a tradeoff between efficiency and reliability in the choice of switching speed. An optimized design should ensure theoperation within both safe-operation-area and EMI limits, and switching loss should be as small as possible. A prediction method of switching performance is important and helpful for designer to evaluate and optimize converter design. The most concerned switching characteristics are switching loss, dv/dt, di/dt, and turn-ON/OFF overvoltage generally. These characteristics are crucial for the design of heatsink, filter, and gate driver. Related discussions have been presented in many existing research articles as following.请将这一段进行以下要求,Move analysis 语步(内容成分)分析; Language devices和实现该功能的语言手段(某些关键专有名词提供汉语翻译)

413 浏览量