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机械毕业设计英文翻译文献翻译
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机械毕业设计英文外文翻译3ABS性能的检测,机械毕业设计英文翻译文献翻译
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英文翻译： 英文： ABS is in the present world the universal recognition enhances one of automobile secure effective actions, may enhance the automobile to apply the brake in the process operation stability and reduces the stopping distance. Automobile examination profession in recent years along with automobile manufacture technology and examination technology progress, also unceasingly grows strong, is playing the extremely vital role in the automobile movement control section dynamic surveillance automobile technology condition aspect. Specially along with our country highway construction and the path shipping industry rapid development, the road traffic security problem more and more is also prominent, the request further takes and strengthens the motor vehicle security technology condition examination to become the maintenance society stability an important topic. This article involves the ABS performance examination, is divided software and the hardware two parts, complements one another completes the examination together. Equipped the ABS automobile to carry on applies the brake the effect, the ABS performance appraisal and the analysis. Computer based on ntsVisual Basic translation development corresponding application procedure. The examination equipment sensor installs in has ABS in the experimental automobile automobile and debugs, completes goes each kind of information gathering to the vehicles. Software completes the data the collection and processing through the man-machine dialogue, realizes to this ABS performance examination and the appraisal. With increase of public interest in vehicle performance of safety, emission and ride comfort, vehicle electronic control systems have been developed in generations for the purpose of enhancing overall dynamic behaviors by almost all automakers and parts suppliers for decades. The development of anti-lock braking system (ABS), for improving vehicle braking and handling performance, involves mechanism electronics, hydraulics, hardware and software design and field test validation, and also requires repeated field tests on various road conditions, which are not easily available. In the very beginning of product development for vehicle ABS, a huge amount of vehicle field tests are required to investigate the control laws by a great number of repeated modifications. Moreover, even in most repeatable test environments, the road conditions for field tests cannot be controlled exactly to be identical. This inevitably ntsleads to increase of both development cost and cycle time for ABS product. Because of fierce competition in todays business environment automotive industries suffer constantly increasing pressure of reduction in the development cost and time of new vehicle electronic products to meet the demands of market and urgent effective approaches to innovation of sophisticated vehicle electronic products. In this paper, a new rapid development method is proposed to develop and test ABS control system efficiently in laboratory environment, which covers the whole process of concept and function design, system modeling, off-line simulation, code automatic generation, real-time hardware-in-the-loop (HiL) simulation and final vehicle test validation. This economical ABS rapid development system characterized by a parallel rather than a serial development process is built up with friendly interface for implementation of the present development procedure. The rapid development system is based on HiL simulation technology, and function of sensors and actuators of the control system are replaced by software to simulate a field test environment in a controllable situation. Therefore, consistently reproducible test conditions are provided and critical safety issues may be solved in the stage of electronic ntsproduct development prior to in-vehicle tests. The present rapid development system is successfully employed in the ABS control system development and the developed control algorithm has been validated in the vehicle filed test. According to the test measures, the control precise is close to that of the original one. It is proved that the method and the rapid development system are effective and efficient in the laboratory for reduction of expenses in field tests and development cycle. By considering a given precision requirement of real-time simulation, a vehicle system dynamic model for ABS should be presented as one important part of the ABS rapid development system, which has strong effect on the efficiency and effectiveness of the controller to be developed. The vehicle system dynamic model consists of vehicle model, neuro-tire model, brake model and hydraulic system model. The scheme for tests to build up and validate the subsystem model has been drawn up. Further, validation of the vehicle dynamic system model integrated by the sub-system model is made for the future research and the vehicle field test without the ABS has also been performed for verification of the precision of the built-up model under three conditions of pure braking, pure steering and braking while steering, respectively. By experimental results, it ntsis shown that the vehicle system dynamic model for the ABS is correct and accurate, and can be used in the rapid development system. The design of the rapid development system and the way to realize its functions in the real-time simulation environment are presented. Under the direction of the proposed scheme, details of construction process of the ABS rapid development system including the software part, hardware part and interface part are discussed with consideration of its functions extended. The whole procedure of rapid development for ABS, i.e., off-line simulation, generic real-time simulation, real-time hardware-in-the-loop simulation and the validation of the vehicle field test, based on this powerful development system, is further investigated by the ABS rapid development system. Use is made of the present method and the ABS rapid development system for research and development of the ABS controller systematically. The practical algorithm for the ABS control variables is presented, and based on the previous research achievements, the ABS controller is designed and embedded seamlessly in the rapid development system. The development procedure has been carried on according to the ntsproposed method, and the developed ABS controller is then applied in the vehicle field test for validation and further modification. The effectiveness of refined ABS control logic is proved to match the original product by results obtained in the vehicle field tests by the two controllers mentioned above. Furthermore, the most advanced vehicle control system, i.e., vehicle stability control system is studied by using the extended ABS rapid development system. By the direct yaw moment control by regulation of braking forces, the vehicle dynamic stability may be improved. The controller makes the vehicle follow the desired dynamic model by feed forward regulation of side slip angle and the state feedback of both the yaw rate and side slip angle. By taking the J-turn and single lane change at the vehicle high speed, for example, the control law has been implemented by the extended ABS rapid development system. By the HiL real-time simulation results it is shown that the present control law is quite effective and robust in keeping the vehicle to follow the desired trajectories quickly and exactly even some parameters changing in the system, such as steering angle input, road friction and vehicle speed. It is demonstrated by theoretical and experimental results that the ABS rapid development system is an extended powerful tool for the ntsdevelopment of vehicle electronic controllers. The real-time hardware-in-the-loop simulation technology is becoming increasingly important as a tool for the development of high level and quality vehicle electronic controllers with a lot of complexities and sophistication. In this paper, a rapid and economical development method for the vehicle ABS control system is presented and the development procedure of the vehicle ABS leads to faster development and more efficient parameter adjustment in comparison with the in-vehicle development in the sense of development period and cost. The self-developed control algorithm is testified through vehicle field tests, which is significant and satisfactory vehicle braking performance is observed. Successful application of both the rapid development procedure and the rapid development system established for the ABS control system development has shown that the present research supplies an efficient way to develop vehicle electronic system for local automotive industries. nts中文： ABS 是目前世界上普遍公认的提高汽车安全性的有效措施之一，可以提高汽车制动过程中的操纵稳定性和缩短制动距离。汽车检测行业在近年来随着汽车制造技术和检测技术的进步，也不断发展壮大，在汽车运行管理部门动态监督汽车技术状况方面发挥着极其重要的作用。特别是随着我国公路建设和道路运输业的飞速发展，道路交通安全问题也越来越突出，要求进一步重视和加强机动车辆安全技术状况检测已成为维护社会安定的一个重要课题。 本文涉及的 ABS 性能的检测，分软件和硬件两个部分，相辅相成共同完成检测。对一台装备了 ABS 的汽车进行制动效果， ABS 性能的评价和分析。计算机基于 Visual Basic 编译开发相应的应用程序。检测装备传感器安装在一台具有ABS 的实验汽车汽车里并调试，完成对车辆行驶各种信息的采集。软件完成数据的收集和处理通过人机对话，实现对该ABS 性能的检测和评价。 随着高等级公路的不断增加，车辆平均行驶速度有了显著提高。一方面车辆技术向高速性趋势发展，但另一方面汽车保有量的迅速增加导致了行车密度的加大。因此，人们对汽车行驶 安全性提出越来越高的要求。作为主动安全系统代表车防抱死制动系统 (ABS 是在这种背景提出和发展起来的。这种先进的汽的气塾吻声盼”动系缤协矍卿是在这种背景提nts出和发展起来的。这种汽车电子控制制动可以提高车辆制动过程中的操纵稳定性和制动强度，改善车辆高速行驶的安全性，减少交通事故的发生。车辆 ABS 电子控制系统的开发，涉及到机械、电子、液压技术、计算机软硬件开发，以及试验技术等方面。在 ABS 开发的初期，由于受计算机技术发展的限制，一般靠大量道路试验来摸索控制规律，耗费大量人力、物力和财力，开发周期比较长。在市场激烈竞 争和资金周转困难的情况下系统开发手段已经不能适应汽车工业，特别是汽车电子工业高速发展的需要。 ) 针对国内汽车工业发展现状，本文系统提出了一种高质量、低成本、高效率的车辆电子控制系统快速开发方法，并建立了相应的快速开发系统。该开发系统可以最大限度的模拟实际车辆在各种工况下的运行状态，在实验室条件下实现对 ABS 控制系统的快速开发。整个开发过程包括控制系统概念设计，系统建模， 系统离线仿真，代码自动生成，硬件在环实时仿真以及最终产品试验。由于开发平台是统一的，各个开发阶段之间紧密相连，实现交互式的并行交流，大大克服了多余的中间环节，节约了时间和成本。 实时仿真需要反映问题本质的 ABS 动力学系统模型，它是车辆 ABS决速开发系统中的最重要的组成部分，直接关系到控制器的开发效率和精度。 ABS 动力学系统模型主要包括整车模型，轮胎神经网络模型，液压系统模型以及制动器nts模型。对轮胎神经网络模型的深入研究，为获得轮胎神经网络模型学习样本的实车试验方案做出了贡献，并进行了相应的试验。为 了从纵向、横向和联合工况的动态特性三个方面来验证 ABS 动力学模型的正确性和准确性，利用试验样车进行了
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