论文标题
在无线电源接收器系统中的输入电流源中，降压转换器中右平面零的效果
On Effect of Right-Half-Plane Zero Present in Buck Converters with Input Current Source in Wireless Power Receiver Systems
论文作者
论文摘要
在无线电源接收器系统中，降压转换器被广泛用于沿着从无线接收器线圈得出的较高矫正电压下降到立即电池充电过程的较低输出电压。在这项工作中，研究了在控制性能上，在无线电源接收器系统中，在无线功率接收器系统中，雄鹿转换器在控制性能的小信号电感器 - 电流回值和输出电压转换函数中发现的右平面（RHP）零的存在和效果。发现并在数学上证明了RHP零是由归因于串联系列补偿和有限DC-Link电容的当前源本质引入的。 RHP零不仅会导致非单调的开环动态响应，而且还使反馈控制的设计变得复杂，并引起潜在的闭环不稳定性。提供理论和实验结果以验证RHP零的存在及其对开环和闭环动态响应的影响。
In wireless power receiver systems, the buck converter is widely used to step down the higher rectified voltage derived from the wireless receiver coil, to a lower output voltage for the immediate battery charging process. In this work, the presence and effect of the right-half-plane (RHP) zeros found in the small-signal inductor-current-to-duty-ratio and output-voltage-to-duty ratio transfer functions of the buck converter in the wireless power receiver system on the control performance, are investigated. It is found and mathematically proved that the RHP zeros are introduced by the current source nature of the system attributed to the series-series compensation and finite DC-link capacitance. The RHP zero not only results in non-monotonic open-loop dynamic response but also complicates the design of feedback control and causes potential closed-loop instability. Theoretical and experimental results are provided to validate the presence of the RHP zeros and their effect on open-loop and closed-loop dynamic responses.
