基于数字PI控制的BuckLabView-Multisim联合仿真

LabView-Multisim Co-Simulation of Buck Converter Based on Digital PI Control

LabView易于实现对控制系统的数值仿真和计算,实时控制效果好;Multisim元器件库丰富,电路仿真功能强大。利用两种工具互联的模数仿真功能实现基于数字PI控制的Buck电路联合仿真,实时地对Buck电路进行了数字PI控制的仿真、测试和验证,发挥了LabView和Multisim两种工具各自的优势,对类似数控电路的仿真实验有借鉴意义,加快对物理原型设计的验证。

LabVIEW is easy to realize the numerical simulation and calculation of the control system,and the real-time control effect is good.Multisim has rich component library and powerful circuit simulation function.In this paper,the co-simulation of Buck circuit based on digital PI control is realized by using the analog-to-digital simulation function of the two tools.The simulation,test and verification of digital PI control of Buck circuit are carried out in real time,and the respective advantages of LabVIEW and Multisim are brought into play.It has reference significance for the simulation experiment of similar numerical control circuit and accelerates the verification of physical prototype design.