基于FlexRay总线线控制动系统的设计研究
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摘要
随着汽车电子的发展,汽车对其总线的要求愈发严格,而FlexRay总线无疑是未来汽车总线的方向。同时,汽车制动系统是保证汽车行驶安全性的重要组成部分,它直接影响汽车的形式安全性能。随着相关技术的发展。通过研究FlexRay总线协议与线控系统,基于FlexRay总线进行了整个制动系统设计。硬件选用MC9S12XF512芯片,其具有支持FlexRay通信的功能。整个线控制动系统通过电子装置实现压力数据的采集、磁粉制动执行机构的制动力输出等功能,最终实现汽车的线性制动控制,达到所需的线控制动系统的基本要求。
With the rapid development of the electrification of vehicles,X-by-wire technology has been a major subject in the field of automotive electronics research.To build up an appropriate brake-by-wire system model,it has greatly significance to improve the system safe,reliability and strengthen the real-time and also push the progress on the research and design level of the brake-by-wire system.In the braking process of brakes,For hardware and software,there are five FlexRay communication nodes,including designation of PCB,hardware circuit debugging,designation of software and using of the experimental car's platform to execute the order whether the car can brake smoothly.Experiments show that the brake-by-wire system can satisfy the national standard of braking performance requirements to ensure the system running safely and reliably.
With the rapid development of the electrification of vehicles,X-by-wire technology has been a major subject in the field of automotive electronics research.To build up an appropriate brake-by-wire system model,it has greatly significance to improve the system safe,reliability and strengthen the real-time and also push the progress on the research and design level of the brake-by-wire system.In the braking process of brakes,For hardware and software,there are five FlexRay communication nodes,including designation of PCB,hardware circuit debugging,designation of software and using of the experimental car's platform to execute the order whether the car can brake smoothly.Experiments show that the brake-by-wire system can satisfy the national standard of braking performance requirements to ensure the system running safely and reliably.
引文
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[2]刘健.汽车的技术状况对行车安全性的影响[J].客车技术与研究,2013,10(4):1-3,10.
[3]谢梦如.FlexRay总线系统实时调度方法研究与实现[D].合肥:合肥工业大学,2014.
[4]汤锴杰.基于CAN总线的电子机械制动系统研究[D].重庆:重庆交通大学,2014.
[5]金紫阳.FlexRay总线在嵌入式线控制动系统的应用与实现[J].电气应用,2015,4(5):103-106.
[6]魏志强,张凤登.基于FlexRay线控转向系统的传输延时算法[J].电子测量技术,2016,39(9):82-86.
[7]袁春柱,刘思远,杨芳.星载FlexRay总线应用层传输方法研究[J].航天器工程,2013,17(3):67-71.
[8]张纯鹏.汽车FlexRay网络静态段调度及其参数设计研究[D].合肥:合肥工业大学,2014.
[9]吴宝新.汽车FlexRay总线系统开发实战[M].北京:电子工业出版社,2012.
[10]张凤登.分布式实时系统[M].北京:科学出版社,2014.
[11]罗峰,陈智琦,刘矗,等.基于FlexRay的车载网络系统开发[J].电子测量与仪器学报,2009,23(s1):289-295.
[12]许张义,张桂香,周聪.线控转向中FlexRay总线的应用[J].电子测量与仪器学报,2013,27(3):258-263.
[13]崔宏敏,陈宝成,丁钟凯,等.压力传感器结构参数识别及优化方法[J].仪器仪表学报,2016,37(12):2805-2812.
[14]王跃飞,曹三峰,毕翔,等.一种基于时隙动态分配的FlexRay系统通信机制[J].电子测量与仪器学报,2015,29(2):179-186.
[15]郭全民,雷蓓蓓.半主动悬架PID控制的研究和优化[J].国外电子测量技术,2015,34(4):60-63.