汽车用低速交流发电机设计

系统而详细地介绍了汽车用交流发电机的结构及特性.例举低速车用交流发电机设计、结构的选择,参数的选取范围及方法;给出了低速车用交流发电机的几何参数,空载特性和外特性的实测数据.     

Adaptive Throttle Control for Speed Tracking

Electronic throttle control is an important part of every advanced vehicle control system. In this paper we design an adaptive control scheme for electronic throttle that achieves good tracking of arbitrary constant speed commands in the presence of unknown disturbances. The design is based on a simplified linear vehicle model which is derived from a validated nonlinear one. The designed control scheme is simulated using the validated full order nonlinear vehicle model and tested on an actual vehicle. The simulation and vehicle test results are included in this paper to show the performance of the controller. Due to the learning capability of the adaptive control scheme, changes in the vehicle dynamics do not affect the performance of the controller in any significant manner.     

客车智能限速操纵器

为了满足客车限制最高车速的法规要求,开发一种客车智能限速操纵器。该限速操纵器具有一定通用性,对多款不同型号采用机械油门拉丝的发动机,可实现限制最高车速的功能。     

车速传感器试验台的系统开发

设计了ABS车速传感器试验台,分析设计结构及其车速传感器所采集的信号调理电路并与微机进行实时的通信,实时监测车速传感器的性能参数,开发了数据采集系统进行数据分析处理。研究表明该系统性能稳定,抗干扰能力强,为车速传感器测试提供了方便。     

Adaptive Throttle Control for Speed Tracking

SUMMARY

Electronic throttle control is an important part of every advanced vehicle control system. In this paper we design an adaptive control scheme for electronic throttle that achieves good tracking of arbitrary constant speed commands in the presence of unknown disturbances. The design is based on a simplified linear vehicle model which is derived from a validated nonlinear one. The designed control scheme is simulated using the validated full order nonlinear vehicle model and tested on an actual vehicle. The simulation and vehicle test results are included in this paper to show the performance of the controller. Due to the learning capability of the adaptive control scheme, changes in the vehicle dynamics do not affect the performance of the controller in any significant manner.     

基于平均车速和车速标准差的路段安全分析方法

以我国几条典型高速公路交通事故统计资料为基础,研究了车辆平均车速、车速标准差对路段交通安全的影响。首先分析了车辆平均车速、车速标准差对路段事故率的影响机理;然后利用统计样本进行了路段事故率与平均速度、速度离散性、车速标准差系数的偏相关分析,从计算结果发现分析路段事故率与车速离散性的相关系数最大,表明影响分析路段交通安全的主要因素是车速分散性;最后采用质量控制法,筛选出同类型路段事故多发路段,并提出了同类型路段车速离散性临界值的确定方法。研究结果表明,在平均车速低于设计车速时,为降低道路事故率,应着重控制车速分散性。     

客车高速发飘问题分析

针对某客车高速行驶过程中发飘、方向盘发抖问题进行深入分析,查找高速发飘问题的根源,并提出整车改进方案。     

限速条件下驾驶员行车速度选择问题研究

超速行车是影响交通安全的重要因素，不仅导致交通事故次数、事故严重性的增加，还加重交通噪声和空气污染。对驾驶员在有速度限制的道路上行车时其速度选择问题进行研究，结果表明，驾驶员对自身行车速度的判断是以所在路段的速度限制为依据的。即使在限速条件下，仍有61％的驾驶员超速行车。驾驶员行车速度的选择普遍受同向行驶其他车辆的影响。最后为有效控制行车速度提出新思路。     

—色一人生

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