Simulation method of impact load for vehicle drivetrain on durability test rig

Simulation method of impact load for vehicle drivetrain on durability test rig
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耐久性试验台上车辆传动系统冲击载荷模拟方法

DOI:
10.21595/jve.2020.21362
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发表时间:
2020-08
影响因子:
1
通讯作者:
Wenli Li
Wenli Li
中科院分区:
--
文献类型:
--
作者:
Jingjing Wang;Jianbo Li;Wenli Li

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疲劳和耐久性测试对于开发或优化车辆传动系统是重要的。利用汽车传动系道路载荷模拟试验台,再现汽车在真实的道路上的纵向行驶载荷和汽车在颠簸路面上时引起的垂直冲击载荷。为了提高控制精度和收敛速度,提出了一种迭代学习控制方法。经过10次学习,迭代学习控制方法的控制误差为4.8%,优于比例积分微分(PID)控制的7.1%的误差。仿真结果表明,迭代学习控制比传统的PID控制方法具有更快的收敛速度和更高的跟踪精度。
Fatigue and durability tests are important to develop or to optimize the vehicle drivetrain system. Using the vehicle drivetrain road load simulation test rig to reproduce the longitudinal driving load of the vehicle on the real road and the vertical impact load caused when the vehicle is on a bumpy pavement. In order to improve the control accuracy and convergence speed, an iterative learning control (ILC) method is presented. After 10 times of learning, the control error of iterative learning control method is 4.8 %, it is better than the 7.1 % error achieved by proportional-integral-derivative (PID) control. The simulation results demonstrate that the ILC can improve the convergence rate and increase the tracking accuracy than the PID control method.
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