哈尔滨工程大学学报Issue(10)：1294-1300,7.DOI:10.3969/j.issn.1006-7043.201212106
驱动模式对三自由度车辆系统分岔的影响
Effect of driving modes on the bifurcation of 3-DOF vehicle system
摘要
Abstract
Aiming at the driving bifurcation in vehicle system dynamics, on basis of the existing 3-DOF model, in consideration to the tyre combined slip under the action of longitudinal force and lateral force, a three-degree-of-freedom (3-DOF) vehicle system plane motion model in which a longitudinal force is introduced was established. With the turning angle of front wheel of vehicle as the intermediate variable, the 3-DOF vehicle system model was transformed into a 5-DOF autonomous differential equation. In addition, the phase space diagram and bifurcation di-agram of the system were obtained by computer simulation. The analytic result on the phase space diagram reveals that the driving mode of vehicle has obvious effects on the dynamic characteristics of vehicle system. The analytic result on the bifurcation diagram shows that, under the condition of the sinusoidal front-wheel turning angle input with same angle frequency, for the vehicle systems with different driving modes, the turn angles of the bifurcations appearing in the system state variables are different.关键词
车辆动力学/分岔/驱动模式/轮胎混合滑移/相空间分析Key words
vehicle dynamics/bifurcation/driving mode/tyre combined slip/phase space analysis分类
交通工程引用本文复制引用
王宪彬,施树明..驱动模式对三自由度车辆系统分岔的影响[J].哈尔滨工程大学学报,2013,(10):1294-1300,7.基金项目
国家自然科学基金资助项目（50775094，50878095）． （）
