中文摘要：

针对脉冲序列（PT）控制Boost变换器适用输入电压范围窄的问题,研究了一种改进PT控制Boost变换器。介绍了改进PT控制Boost变换器的基本原理和工作过程,搭建仿真电路模型并设计硬件试验电路,得出仿真及试验波形,验证了改进PT控制Boost变换器的可行性和先进性。研究表明,改进PT控制Boost变换器不仅适用输入电压范围宽,且稳态、瞬态特性良好。

英文摘要：

In order to increase the applicable input voltage scope of pulse train （PT） controlled Boost converter, an improved pulse train controlled Boost converter was studied. The principle and operational process of the improved PT controlled Boost converter were introduced. Simulation and experimental results were presented to verify the feasibility and advantage of the improved PT controlled Boost converter. Research results showed that the improved PT controlled Boost converter enjoys excellent steady and transient state performance as well as the wider input voltage scope.