非线性系统软起动动力学模型构建与仿真分析

摘要

通过对非线性多输入输出复杂系统的计算机仿真和分析，可在时域中模拟出系统的动态响应和系统中参数变化情况。从粘弹性动力学模型分析入手，研究带式输送机启动特性，通过比较异步电机软起动方案，提出分级变频起动技术，利用Matlab仿真软件，进行起动性能分析，为系统设计提供较好的技术方案。%Through simulation and analysis of nonlinear complex MIMO system,the dynamic response and parameter vari-ations of the system are simulated in the time domain.In this paper,the viscoelasticity model is analyzed,and belt conveyor startup characteristics is studied.Comparison of a variety of soft-start program,classification variable frequency start tech-niques is proposed in this paper.Based on Matlab,starting performance is analyzed,and better technical solutions is provided.