摘要
针对带饱和非线性PI调节器的双闭环直流调速系统在仿真中存在的特殊问题 ,提出了正确的仿真方法。首先分析了具有饱和非线性的PI调节器的工作过程 ,推导出它在MATLAB的SIMULINK环境下正确的仿真模型 ,进而给出了带饱和非线性PI调节器的双闭环直流调速系统SIMULINK仿真框图 ,并对系统进行了仿真。仿真得到的系统的性能指标与文献[1]给出的由理论计算得到的结果是一致的 ,同时指出当转速给定较小且空载时 ,文献[1]给出的理论计算有局限性。仿真结果表明 ,该仿真方法正确、有效 ,对多环控制系统的分析和工程设计均有很好的指导意义。
A correct simulation method for double closed-loop DC motor speed control system with saturable nonlinear PI regulators is proposed.The working process of saturable nonlinear regulator is analyzed firstly,then the block diagramof the system under SIMULINK of MATLAB is given.The performance obtained from simulations of the systemis coincident with that from the theory analysis given by reference documentation [1] .The simulation results showthat the simulation method given is correct and valid for the system.It is instructive to the analysis and design for multiple-loop systems.
出处
《电气传动自动化》
2004年第3期10-12,共3页
Electric Drive Automation
关键词
饱和非线性
双闭环直流调速系统
仿真
MATLAB
saturable nonlinear
double closed-loop DC speed control system
simulation
MATLAB
