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Design of Simulation and Modeling for Power Supply System Based on Digital Control

Nowadays,computer simulation has been widely used in design of power supply systems.In the system of digital controlled power supply,control scheme is programmed in digital processor.The character of processor decides that the process of datum disposal is discrete.Therefore,it's a problem to establish simulation models which can reflect its discrete feature.This paper offers a method of modeling and simulating for digital controlled power supply system,on the basis of analyzing the feature of how datum are processed in digital processor.Because this simulated model approximates to the practical digital controlled power supply system greatly,it can be used to principle analyzing and parameter trimming in digital control system,and the final simulated datum provide significant reference value for the practical digital controlled system.