基于最小二乘参数估计的并联谐振全桥Boost变换器动态建模  

Dynamic Modeling Approach of Parallel Resonant Full-Bridge Boost Converter Based on Least Squares Parameter Estimation

作　　者：李文安[1] 师宇杰[1] 裴立业[1] 

机构地区：[1]信息工程大学,河南郑州450001

出　　处：《信息工程大学学报》2013年第2期180-183,212,共5页Journal of Information Engineering University

摘　　要：文章基于最小二乘参数估计算法对并联谐振全桥Boost变换器进行动态建模研究。利用系统辨识理论,将并联谐振全桥Boost变换器视作一个黑匣子,根据最小二乘参数估计方法,利用PSpice仿真输出的阶跃响应数据得到开关变换器的动态模型。并利用所建模型结果,验证了此方法应用于并联谐振全桥Boost变换器建模的可行性。且所述方法对脉冲频率调制型变换器的动态建模也有一定的适用性。This paper proposes one modeling approach of parallel resonant full-bridge Boost converter based on least squares parameter estimation. By taking the converter as a black box, this approach can use the step response data in PSpice simulation to obtain the simulated model of parallel resonant full-bridge Boost converter. Simulation results show the feasibility of applying this approach in parallel resonant full-bridge Boost converter modeling. Meanwhile, the proposed approach has certain applicability of dynamic modeling in converters used for pulse frequency modulation.

关 键 词：开关功率变换器 模型建立 并联谐振全桥Boost变换器 最小二乘参数估计 

分 类 号：TM46[电气工程—电器]