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科技导报
| 研究论文 2015, 33(24): 57-63
车辆转向工况准确模拟方法研究
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武历颖1 , 余强1 , 徐同强2 , 张硕1
作者信息
1. 长安大学汽车学院, 西安710064;
Simulation of vehicle steering conditions
Affiliations
出版时间: 2015-12-28
doi: 10.3981/j.issn.1000-7857.2015.24.010
文章导航
以虚拟轮胎与地面间的相互作用力为思路,构建由电动助力转向系统、转向阻力矩加载装置及测控系统组成的车辆电动助力转向系统(EPS)试验平台,研究车辆转向工况的准确模拟方法。设计双闭环实时控制策略,以提高力矩加载装置伺服电机的力矩输出精度,并从软件、硬件层面设计伺服电机防超程控制策略,以保障试验平台应用过程的安全性。对某乘用车原地转向工况进行EPS 试验平台模拟试验,并对试验平台控制系统的实时性进行硬件在环试验,结果表明,设计开发的控制系统及其控制算法能够满足实时性、准确性要求,实现了车辆转向工况在EPS 试验平台上的准确模拟,可为车辆EPS 控制器的开发、调试提供良好的试验环境。
车辆转向工况模拟
/
EPS 试验平台
/
双闭环实时控制
/
硬件在环试验
To realize accurate simulation of vehicle steering conditions, we established an EPS test-bed consisting of an electric power steering system, steering resistance torque loading device and measurement & control system on the basis of the virtual interactive force between the tire and the ground. A double closed loop real-time control strategy was designed for improving the output precision of the servo motor torque. An anti-overrun control strategy was designed from software and hardware levels to guarantee security of the application process of the test platform. The simulation test of the EPS test platform was carried out on a vehicle in situ steering condition, and the hardware-in-the-loop experiment was carried out to verify the real-time performance of the experimental platform control system. The results show that the designed control system and control algorithm meet the real-time and accuracy requirements of simulation of vehicle steering conditions, and are able to provide a good test environment for development and debugging of EPS controllers.
vehicle steering simulation
/
EPS test platform
/
double closed loop real-time control
/
hardware-in-the-loop-test
武历颖, 余强, 徐同强, 张硕.
车辆转向工况准确模拟方法研究.
科技导报,
2015
, 33
(24)
: 57
-63
.
DOI: 10.3981/j.issn.1000-7857.2015.24.010
WU Liying, YU Qiang, XU Tongqiang, ZHANG Shuo.
Simulation of vehicle steering conditions[J].
Science & Technology Review ,
2015
, 33
(24)
: 57
-63
.
DOI: 10.3981/j.issn.1000-7857.2015.24.010
2015年第33卷第24期
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文章信息
doi: 10.3981/j.issn.1000-7857.2015.24.010
接收时间：2015-05-25
首发时间：2016-01-07
出版时间：2015-12-28
收稿日期：2015-05-25
修回日期：2015-09-26
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2015.24.010
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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