【摘要】：超車是換道的主要動機,分析超車過程中駕駛員的操作特性以及車輛運動狀態(tài),能夠為駕駛員模型的精確控制提供參考。在分析各種可能換道的基礎(chǔ)上,構(gòu)建動態(tài)超車換道可行域。以7次多項式規(guī)劃換道邊界軌跡,依據(jù)期望跟車距離確定可行域的上邊界,根據(jù)安全碰撞條件確定可行域的下邊界;并依據(jù)兩車的運動關(guān)系確定超車換道條件。預(yù)設(shè)超車換道軌跡,在Simulink中構(gòu)建駕駛員模型;并將Carsim中車輛模型導(dǎo)入,進行了超車換道模型仿真分析。對超車過程中車輛參數(shù)進行對比分析。結(jié)果表明:超車過程中駕駛員一般會提高車速,但加速強度不大;且低速時換道的隨意性大,但與設(shè)定軌跡偏離程度較小。
[Abstract]:Overtaking is the main motivation for changing lanes. The analysis of driver's operating characteristics and vehicle motion state during overtaking can provide a reference for the accurate control of driver's model. Based on the analysis of various possible lane changes, a dynamic overtaking lane changing feasible region is constructed. The upper boundary of feasible region is determined according to the expected distance of vehicle, the lower boundary of feasible region is determined according to the condition of safety collision, and the condition of overtaking is determined according to the kinematic relation of two vehicles. The driver model is constructed in Simulink, and the vehicle model in Carsim is imported into the system, and the simulation analysis of overtaking model is carried out. The vehicle parameters during overtaking are compared and analyzed. The results show that the driver will generally increase the speed of overtaking, but the acceleration intensity is small, and the change of track at low speed is random, but the deviation from the set track is small.
【作者單位】： 重慶交通大學(xué)交通運輸學(xué)院;西安科技大學(xué)管理學(xué)院;
【基金】：重慶市科委基礎(chǔ)與前沿研究計劃項目(cstc2013jcyjA30015) 重慶市教委項目(KJ130425) 陜西省教育廳專項研究計劃項目(2013JK0219)資助
【分類號】：U491.255

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本文編號：2428259