摘要
相对于轮轨列车,磁悬浮列车对舒适度、安全性方面的要求更高,这就要求有一个可靠性很高的制动控制系统。而现在的制动系统以恒定的减速度制动,这会影响乘客的舒适性。理想的制动减速度的变化趋势应该和人的感觉相一致,减速度的值开始时逐渐增大,经过一段匀减速后,减速度的值再逐渐减小。该文初步建立了磁悬浮列车制动系统的模型,外环采用速度反馈,内环采用减速度反馈,分别选择合适的控制器,通过MATLAB仿真,分析仿真结果。结果表明选用的控制器能够达到理想的制动效果,对磁悬浮列车制动系统的工程研究具有一定的参考价值。
Compared with vehicle -guideway train, maglev train has strict requirement on comfort and security, which means that the brake system must have high reliability. But the present brake system is trigged with constant acceleration, which affects the comfort. The ideal change of acceleration should be in accord with people＇s feeling, that is, the acceleration is increased at the beginning, and is decreased after the velocity is decreased symmetrically. In the paper, a primary model of the brake system is set up for MATLAB simulation, in which the velocity feedback is used in the outer- loop and acceleration feedback is used in the inner- loop, then the simulation result are analyzed to choose proper controller. The result shows that the ideal effect is achieved with the controller, and it is useful to engineering research of the brake system.
出处
《计算机仿真》
CSCD
2006年第5期238-241,共4页
Computer Simulation
