液压混合动力履带车辆联合制动模糊控制  

Fuzzy control of combined braking system in hydraulic hybrid tracked vehicle

作　　者：赵广俊[1] 吕建刚[1] 宋彬[1] 郭博[1] 

机构地区：[1]军械工程学院火炮工程系,河北石家庄050003

出　　处：《控制理论与应用》2010年第12期1674-1680,共7页Control Theory & Applications

基　　金：军内科研计划资助项目(2009246)

摘　　要：针对液压混合动力履带车辆联合制动系统,为了实现制动过程平稳性,提出了基于制动力分配原则的模糊控制策略.首先在MATLAB中建立了能量再生制动系统和机械制动系统以及车辆动力学仿真模型,然后设计了以制动力分配系数为控制变量的联合制动模糊控制器,给出了模糊控制规则,建立了控制系统仿真模型,并在不同制动强度条件下对车辆制动过程进行仿真.仿真结果表明,联合制动模糊控制系统能够有效回收制动能量,同时与PID控制相比明显改善和提高了履带车辆制动过程稳定性.To achieve the braking stability of hydraulic hybrid tracked vehicle with combined braking system,the fuzzy control method based on braking moment distribution principle is proposed.First,the models of energy regeneration braking system,mechanical friction braking system and vehicle dynamical model are developed by using MATLAB.Then,the fuzzy controller with braking moment distribution coefficient as control variable is designed,and the fuzzy variables inference rules are put forward.The simulation model of control system is set up,and the braking process is simulated in different braking intensities.The simulation results indicate that the combined braking fuzzy control system can recover braking energy efficiently,and improve braking stability of the tracked vehicle significantly in comparing to PID control.

关 键 词：液压混合动力 履带车辆 联合制动 模糊控制 PID控制 

分 类 号：U469.694[机械工程—车辆工程]