1、毕 业 设 计（论 文）外 文 参 考 资 料 及 译 文译文题目： 基于ANSYS的汽车车架结构有限元分析 学生姓名： 学 号： 专 业： 所在学院： 指导教师： 职 称： 20xx年 2月 27日说明：要求学生结合毕业设计（论文）课题参阅一篇以上的外文资料，并翻译至少一万印刷符（或译出3千汉字）以上的译文。译文原则上要求打印（如手写，一律用400字方格稿纸书写），连同学校提供的统一封面及英文原文装订，于毕业设计（论文）工作开始后2周内完成，作为成绩考核的一部分。 Automotive safety systems and technology research and analysisAu
2、to parts of good and bad will directly affect the safety of the car, are directly related to the peoples life safety and security in wealth. This article mainly from the cars active safety technology and passive safety technology two aspects elaborated the importance of car parts, and how to improve
3、 the safety of the car. OneAutomobile active security technology 1. ABS braking system Anti-lock Braking System (Anti-lock Braking System, referred to as ABS) consists of ABS computers, hydraulic device, the wheel speed sensors, brake hydraulic pipeline and electrical wiring etc. Their structures ar
4、e shown below. ABS tasseled for the car in various driving conditions braking performance and brake safety particularly important, especially is emergency braking, can make full use of the peak between tire and road surface adhesion properties, improve performance and reduce automobile fight side sl
5、ip braking distance, give full play to the braking performance, but also increase the automobile braking process control. So as to reduce the possibility of car accidents. 2the ASR drive torque control system ABS are used to prevent car braking process wheel lock, will wheel sliding rate control in
6、ideal range, so as to shorten the braking distance, improve automobile braking direction stability and steering control, so as to improve the safety of the car. Along with the increase of vehicle performance requirements, not only in braking process required to prevent wheel lock, and asked the driv
7、er to prevent drive roller skating turn in the process, making cars in the direction stability, driving process steering control ability and acceleration performance, so are improved by the car drive torque steering system ASR (Accelerations Slip Regulation) . ASR is the perfect complement and ABS A
8、SR, but most alone is set with ABS combined together, commonly used ABS/ASR says, called anti-skid control system. ASR is mainly used to prevent car in the beginning, accelerate the wheels, guarantee slip in the car accelerated rate and improve the stability in bad pavement drive attached conditions
9、. It makes no difference speed in the car lock ice roads and muddy road started and to improve its capacity, also can prevent high in speed by turning cars gliding pavement and rear lateral spreads phenomenon. Anyhow, prevent the wheel because ASR slip, can maximize the engine driving moment of cars
10、 ，had enough ensured the longitudinal force, lateral force and manipulation of power, make cars in starting, steering and accelerate the process, in gliding and muddy road, in a mountain area downhill process can steadily driving, guarantees the safety, reducing tire wear and fuel consumption, and i
11、mproves the car driving capability. 3VDC system VDC of steering control system is mainly by driving for each wheel brake control and engine power output control to realize. For example, if the car turn left front wheel for steering the inadequate capacity tend to slip out of the corner, VDC system c
12、an measure imminent, just know lateral spreads left rear brake adopt appropriate measures. If at the same corner, because rear wheel tend to slip out of favor of lateral overmuch, VDC system is proper braking to front-right wheel failure, maintain the stability of the vehicle driving. In extreme cas
13、es, VDC system can also take reduce engine to reduce the power output, and to reduce the speed of the demand side adhesion ability to maintain the stability of the vehicle driving. Adopt VDC system, automobile in folio pavement or corner of pavement braking distance still can further reduce. 4 CCS c
14、ars cruise control system Auto cruise Control System (Cruiser Control System, abbreviation for CCS) is can make automobile work in engine favorable speed range, reduce drivers driving manipulate labor intensity, improve the driving comfort the automatic driving device. Car cruising system (CCS) role
15、 is required by the driver: after a normally-closed switch, no speed on the accelerator pedal can automatically keep the speed, make the vehicle with the fixed speed. Using this device, when on the highway after a long time, the driver driving not have to control the accelerator pedal, reduce fatigue, while reducing unnecessary speed change, can reduce save fuel. Two. Automobile passive safety technology 1. Seat belt Car seat belt is a safety device, it can in car collision or sharp turn,
