线性自抗扰控制算法在ATO系统中的应用研究

Application of linear active disturbance rejection control algorithm in ATO system

针对列车运行系统快速、稳定、精确等要求,将线性自抗扰控制(LADRC)算法应用于ATO系统的速度控制,并采用粒子群优化(PSO)算法对LADRC算法进行优化,提高LADRC控制器的参数整定效率。仿真结果表明,该算法较传统的PID控制算法,能够有效提高速度控制的快速性和精度,改善乘客舒适度。

In view of the rapid,stable and accurate requirements of train operation system,the linear active disturbancerejection control(LADRC)algorithm was applied to the speed control of ATO system,and the particle swarmoptimization algorithm was used to optimize the LADRC algorithm.The parameter tuning efficiency of LADRCcontroller was improved.Simulation results showed that compared with the traditional PID control algorithm,thisalgorithm could effectively enhance the rapidity and accuracy of speed control,and improve passenger comfort.