新型机车制动控制方法的研究

Study of New Type Locomotive Brake Control Method

气体压力控制具有明显的非线性和不确定性,特别是小范围内的压力调节更是难以得到精确控制;针对这些问题,提出了一种改进型专家控制算法作为新型机车制动控制方法;该算法以常规专家控制为基础,来进行对气压控制规则的定义;利用智能算法计算得到死区时间;最后采用改进型专家控制算法计算输出值,实现对气压量的精确控制;在机车制动控制上应用表明,该算法具有良好的静、动态特性,控制精度可达1kPa,能够满足机车制动控制的需求。

It is obviously that air pressure has the specialties of nonlinear and incertitude, and especially the tiny air pressure is so difficult to be controlled aecurately. A control method of the betterment of expert control is presented to solve these problems. The method uses groovy expert control to define the rules, uses intelligence arithmetic to achieve the dead-time of electrie air value and adopts the betterment of expert control arithmetic to implement accurate control on air braking. The method is used in Brake Control Unit and the applieation result shows that it has excellent static and dynamic specialties and the control precision can achieve lkPa. The method can suffice the needs of Brake Control Unit.