驾驶安全控制实验平台的研究与开发-机械电子工程专业论文.docxVIP

摘要摘 摘要 摘 要 随着汽车数量的增加，汽车事故己成为一个严重的社会问题，以主动安全为 主的驾驶安全控制技术的研究越来越被人们所关注。而虚拟现实技术的兴起和发 展为驾驶安全可视化仿真研究提供一条崭新的思路，驾驶模拟器被广泛用来研究 汽车驾驶安全。国内外学者对交通事故原因分析表明，驾驶员因素是事故主因。 为此，论文研究和开发了基于真实驾驶员的行为分析的驾驶安全控制实验平台。 论文主要研究工作有： 1．分析了驾驶安全控制实验平台的功能、设计目标及搭建方案，实现了驾驶 安全控制实验平台软硬件原型的初步搭建。论文探讨了模拟驾驶系统硬件平台基 于真车式和基于游戏控制杆式两种可行的搭建方案。采用罗技公司的G25游戏控 制杆搭建驾驶安全控制实验平台的驾驶舱。 2．论文建立了水平路面的汽车动力学模型。为驾驶安全控制实验研究提供有 效的实验数据，提高了驾驶行为分析的准确性；同时，增强了虚拟驾驶的真实性。 3．采用模糊聚类方法，研究了驾驶行为的分类技术。论文以新手型驾驶员操 作行为为例，通过行为特征提取，建立模糊关系及构建Fuzzy图和最大树图，将 新手型驾驶员的操作行为分成若干类别。 4．利用虚拟现实开发平台EON Studio 5．0和Visual C++6．0高级编程语言的有 机结合，在Windows XP操作系统上完成对驾驶安全控制实验平台原型系统的丌 发。 关键词：驾驶安全；可视化仿真；汽车动力学；行为聚类；最大树法 广东l：业大学顾十学何论丈ABSTRACT 广东l：业大学顾十学何论丈 ABSTRACT With the increase of vehicles，traffic accident has become a serious social problem．Study of active driving safety control technology becomes more and more popular．Development o f Virtual Reality provides a new method o f visualized simulation for driving safety contr01．Therefore，driving simulator is widely used for research of driving safety．Studies reveal that driver is a major factor of vehicle accidents．Based on analysis of driver behavior，an experimental platform for driving safety Control(i．e．EPDSC)was developed．Main works of the thesis were discussed as follows： Firstly，the functions，goals and schemes of EPDSC were analyzed，and the prototype was built．The real vehicle type and the joystick type are two popular frameworks．According to investigation，the latter was adopted in the thesis．Instead of real cockpit，a joystick，which is from Logitech electronics Co．Ltd，was used． Secondly，vehicle dynamic model for level road was constructed under Newton mechanics．Experiment data for study o f driving safety were acquired effectively， which enhances accuracy of driving behavior analysis，and reality of virtual driving． Thirdly，classification methods o f driving behavior were studied．The thesis chooses a group ofnovice-like drivers as a sample．Same driving behaviors types were classified according to maximal tree method thou