无刷直流电机驱动轨道车辆速度控制及其对垂向振动的影响  

The speed control and influence analysis of the vertical vibration of a railway vehicle driven by brushless DC motors

作　　者：张鹏 张济民 Zhang Peng;Zhang Jimin(Institute of Rail Transit,Tongji University,Shanghai,201804,China)

机构地区：[1]同济大学铁道与城市轨道交通研究院,上海201804

出　　处：《机械设计与制造工程》2018年第7期55-59,共5页Machine Design and Manufacturing Engineering

摘　　要：在MATLAB/Simulink环境下建立了某无刷直流电机模型和由其驱动的轨道车辆垂向振动模型。通过转速PI控制和电流滞环控制组成的双闭环控制器实现对无刷直流电机的控制,进而控制车辆速度。对车辆速度控制以及车辆在不同速度工况下的垂向振动响应进行了研究,研究结果显示:在双闭环控制器的作用下,无刷直流电机驱动车辆可以得到理想的速度控制效果;随着车辆运行速度的提高,车体浮沉运动的主振动频率会相应地增大;车辆的加速对车体的低频浮沉振动有一定的影响,而对高频浮沉振动的影响不明显。It establishes the model of brushless DC motor(BLDCM)and model of vehicle vertical vibration in MATLAB/Simulink.Based on BLDCM controlled with a double closed-loop controller it realizes the speed PI control and current hysteresis control.It proposes the vehicle speed control and its influence on the vehicle vertical vibration based on these models.The result shows that the vehicle speed can be properly controlled under the double closed-loop controller.The vertical vibration response of the vehicle under different scenarios shows that the main vibration frequency of the vehicle rises as the vehicle speed increases,and the low-frequency vibration is influenced by the short acceleration period when the vehicle starts while the high-frequency vibration is not.

关 键 词：无刷直流电机 轨道车辆 SIMULINK 速度控制 垂向振动 

分 类 号：U270.1[机械工程—车辆工程]