The paper introduces the conception of 2 D speed protection and analyses its principle, which includes the analyzes of the force on the train when applying the eddy current brake and during the slide, and calculates the distance speed limit curves and the allowable speed range.

The test data of drawbar forces, draft gear displacements and accelerations caused by impact during the emergency application, the emergency application at conductor's valve and brake release at low Speed of train, are processed by computers.

本文根据5000t重载列车环行线试验中的低速紧急制动、车长阀制动和低速缓解等几种危险工况下，列车纵向力、缓冲器位移和车辆冲击加速度的试验数据。

NHTSA said in its letter to Tesla, dated July 8, that it is looking for information on all systems designed to provide automatic emergency braking that's intended to prevent front-end crashes.

NHTSA在7月8日向特斯拉发送的一封信函中称，正在查找与阻止前向碰撞相关的自动紧急制动系统相关的所有信息。

Anti-lock Braking System ( ABS), as one of the new active safety equipments in vehicles, just has the function to prevent the wheel lock during vehicle hard braking, so that it can braking stability of the automotive and reduce the risk of accidents.

作为新型的汽车主动安全装置之一的防抱死制动系统（ABS），其主要功能是在汽车紧急制动时防止车轮发生抱死现象，从而可以有效提高汽车的制动稳定性，减少交通事故发生率。

This paper primarily studied the estimation methods and index of ABS based on the wheel forces measured by wheel force transducer during the straight-in-line emerging braking.

研究基于在紧急制动过程中直接测量得到的车轮力信息来探讨ABS性能评价方法和评价指标。

The paper analyzes the function of Antilock Braking System ( ABS) and the urgent braking course of ABS automobiles with the concept of work-energy.

运用功能概念，对汽车防抱死制动系统（ABS）的作用及ABS汽车的紧急制动过程进行了分析。

Furthermore, Fuzzy controller is designed for the emergent brake control system. The simulation of this controller is given in MATLAB with perfect performances in different road conditions.

最后讨论了磁浮列车紧急制动控制系统的设计，用MATLAB仿真实现了模糊控制器下的紧急制动控制系统，并且在不同路况下验证了控制器的设计是有效的。

To insure the steerability and directional stability on driving emergencies, the anti-lock braking system ( ABS) presented itself in 1978.

为保证汽车在紧急制动时仍然具有可操纵性和方向稳定性，汽车防抱死制动系统（ABS）应运而生。

Anti-lock Brake System ( ABS) ensure the control and stability performance, it is standard components of modern vehicles.

防抱制动系统（ABS）在紧急制动过程中可保证车辆的操纵性和稳定性，已逐渐成为现代汽车的标准配置。

ABS keeps your vehicle directionally stable and steerable, even in emergency braking situations.

ABS能让汽车即使在紧急制动的情况下保持稳定、可控。

An example of emergency stop is presented for the calculation and comparision with experimental calculation results from England, and the difference is only 2%.

结合英国的提升机紧急制动实验结果与文中提出的按可控制动设计方法计算的钢丝绳动张力，进行了对比计算，两者的差值小于2%。

Passive safety means cars' protection of passengers or the crashed vehicles or pedestrians during an accident; active safety, however, is a way to avoid accidents by collecting road information and then warn the driver before accidents occurred.

被动安全是在发生事故时汽车对车内成员的保护或对被撞车辆或行人的保护；主动安全，就是提前采集道路情况并在可能发生危险之前提醒驾驶者规避风险，从而避免事故的发生。

Concept Design of Bumper System with Consideration of Pedestrian Leg Protection and Low Speed Impact Characteristics

考虑行人腿部保护和低速碰撞特性的保险杠系统概念设计

Currently, pedestrian protection have been got more and more governments and car manufacturers attention.

目前对行人的保护问题越来越多地得到了各国政府和汽车制造企业的重视。

There is little difference for the two areas in the view of car-to-pedestrian safety improvements.

从事故中车辆对行人安全保护方面考虑，两地区的区别较小。

Optimization of bumper system for pedestrian low leg based on Sequential Quadratic Programming

基于序列二次规划法对汽车保险杠系统关于行人小腿保护的优化设计研究

Vehicle hood design satisfying both requirements of stiffness and pedestrian head impact protection

基于刚度与行人头部保护要求的汽车引擎盖设计

The Application of Concept Design and FE Simulation Assessment in the Design of Pedestrian Leg Protection

概念设计与FE仿真评估在行人腿部保护车身设计中的应用

Many developed countries in west have implemented the pedestrian protection legislation. Especially in Europe which has entered the second phase with more stringent requirements for the pedestrian protection, and new Euro-NCAP will pay more attention to the protection of pedestrians.

国外许多汽车工业发达国家将行人保护纳入法规并实施，其中欧洲行人保护法规已进入要求更为严格的第二阶段，新的欧洲新车评价体系也更加注重对行人的保护。

Comparison and analysis have been conducted on pre-optimized and optimized model, and it is shown that the pedestrian protection capability of the bonnet has been increased by the optimization.

对优化前后结果进行了对比分析，结果表明优化后汽车引擎罩的行人保护性能有了很大程度的提高。

And next, static analysis for modeling is made in the children head impact area and adult head impact area. Then pedestrian protection design principles are proposed.

针对儿童头部碰撞区域和成人头部碰撞区域进行造型静态分析，提出行人保护造型设计原则。