基于駕駛員在環(huán)仿真平臺(tái)的車輛路徑跟隨模型研究
[Abstract]:In the process of vehicle active safety research, people gradually realize that vehicle, driver and road environment constitute a complete closed-loop system, which affects the driving safety of the vehicle. As the decision maker of driving behavior, driver is decisive to the safety of the vehicle. Therefore, more and more scholars study the driver's handling behavior in order to establish a mathematical model of the driver. This research is not only the need of active safety technology, but also the key of automatic driving technology. Driver in loop simulation technology is an important branch of hardware in loop simulation. Through the simulation of vehicle, driving road and traffic environment, the simulation experiment under any working condition can be completed. In order to avoid the high cost and danger of real vehicle test, the study of "man-vehicle-road environment" interaction in the actual driving process can be realized. It provides a practical platform for active safety technology research. In this paper, the multi-point preview method and the model predictive control algorithm are used to establish the vehicle path following model, and the simulation is carried out in the Matlab/Simulink software. The purpose of this paper is to study the direction control effect of the driver on the vehicle. At the same time, the virtual instrument technology is used to build the driver-in-loop simulation platform, and based on the platform, the driver-in-loop simulation is carried out. By comparing the simulation results of the driver in loop simulation and the vehicle path following simulation, the validity of the vehicle path following model is verified from three aspects: the vehicle driving path, the rationality of the steering wheel angle and the evaluation index of the steering stability.
【學(xué)位授予單位】:湖南大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:U491.25;U463.6
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