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Tractor & Farm Transporter
2018
(4)
9-13+16
汽车可调尾翼控制系统样机改进设计
作 者：
邓召文;栗明;高伟;张雪琰
单 位：
汽车动力传动与电子控制湖北省重点实验室湖北汽车工业学院汽车工程学院;潍柴动力股份有限公司
关键词：
可调尾翼系统;双舵机;襟翼;FSAE;空气动力学
摘 要：
可调尾翼系统(DRS)是基于赛车或超级跑车开发的提升车辆行驶稳定性的重要装置。针对在用可调尾翼系统样机试验测试中的不足,实现系统的全新改进设计,选用双舵机替代四连杆机构,由双舵机分别驱动两片襟翼;在车速、制动工况输入信号的基础上再增加加速踏板位置输入信号;基于舵机的反馈功能,增加PID闭环控制环节。结合大学生方程式赛车(FSAE)的规则与实际需求,以飞思卡尔单片机为平台,以嵌入式系统为核心,实现全新的可调尾翼系统样机软硬件开发。通过系统样机调试和试验,经验证改进设计的可调尾翼控制系统性能稳定,满足开发要求,较大地提升了赛车的空气动力学性能。
译 名：
Improvement of Drag Reduction Control System Prototype for Vehicle
作 者：
DENG Zhaowen;LI Ming;GAO Wei;ZHANG Xueyan;Hubei Key Laboratory of Automotive Power Train and Electronic Control,School of Automotive Engineering of Hubei University of Automotive Technology;Weichai Power Co.,Ltd.;
关键词：
Drag reduction system;;Double steering engine;;Flap;;FSAE;;Aerodynamics
摘 要：
The drag reduction system( DRS) is the latest devices that aimed at promoting traveling stability for the racing car or super car. Aiming at the shortcomings in drag reduction system prototype test,the new design of the system was improved. The double steering engine was used instead of the four link mechanism,and the two flaps were driven by the double steering engine respectively; on the basis of the input signal of the vehicle speed and braking condition,the acceleration pedal position input signal was added; based on the feedback function of the steering engine,the PID closed loop control was added. Combining the rules and actual needs of FSAE,with Freescale micro-controller as the platform,embedded system as the core,the entirely new hardware and software development of DRS prototype was finished. Through the debugging and test of system prototype,it is proved that the modified DRS control system has a stable performance,meets the development requirements,and greatly improves the aerodynamic performance of the racing car.
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