摘要
在运输工况下碳纤维连续抽油杆作业车的悬架系统简化为1/4悬架动力学模型,对其进行超前相位角的校正,从而改善悬架系统在外界干扰时可以得到更好的控制作用;根据牛顿定律,与车辆系统动力学相关知识建立悬架系统的数学模型,通常将车身加速度、悬架动挠度以及车轮动载荷作为评价悬架的指标。在这三个指标中,车身加速度可以反映车辆的平顺性及其振动特点,所以极为重要。因此,将选取车身加速为系统的控制目标,同时改变悬架系统的刚度值与阻尼值为控制参数,通过Matlab/Simulink进行仿真试验,由仿真结果的对比分析可得,最终选取合理的控制参数。从而改善碳纤维抽油杆作业车在运输过程中的操纵稳定性,提高驾驶员的乘坐舒适性。
The suspension system of carbon fiber continuous sucker rod truck under transportation condition is simplified as 1/4 suspension dynamic model,and the lead phase angle is corrected,so that the suspension system can get better control effect in the external interference;according to Newton's law and the knowledge of vehicle system dynamics,the mathematical model of suspension system is established.The vehicle body acceleration,suspension dynamic deflection and wheel dynamic load are usually taken as the evaluation indexes of suspension system.Among these three indexes,the body acceleration can reflect the ride comfort and vibration characteristics of the vehicle,so it is very important.Therefore,the vehicle body acceleration is selected as the control target of the system,and the stiffness and damping values of the suspension system are changed as the control parameters.The simulation test is carried out by Matlab/Simulink,and the reasonable control parameters are finally selected through the comparative analysis of the simulation results,so as to improve the handling stability of the carbon fiber sucker rod truck in the transportation process,and improve the riding comfort of the driver.
作者
安彩霞
AN Cai-xia(Mechanical Engineering College,Xi'an Shiyou University,Xi'an Shaanxi 710065,China)
出处
《机械研究与应用》
2020年第6期47-51,54,共6页
Mechanical Research & Application
关键词
碳纤维抽油杆作业车
悬架系统
超前相位角
车身加速度
仿真试验
carbon fiber sucker rod truck
suspension system
leading phase angle
body acceleration
simulation test
