基于Unitire侧向力模型的汽车操纵稳定性的建模和仿真*
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吉林大学汽车仿真与控制国家重点实验室,吉林大学汽车仿真与控制国家重点实验室,吉林大学汽车仿真与控制国家重点实验室,吉林大学汽车仿真与控制国家重点实验室,吉林大学汽车仿真与控制国家重点实验室

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U469.2

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Modeling and Simulation of Automotive Handling and Stability Based on Laternal Model of Unitire
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The National Natural Science Foundation of China (General Program, Key Program, Major Research Plan)

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    摘要:

    为了进行汽车操纵稳定性建模和仿真,总结了非线性和线性Unitire侧向力模型。基于平面假设,建立了考虑轮胎非线性和线性的汽车操纵稳定性二自由度模型,提出了基于线性和非线性Unitire侧向力模型的操纵稳定性仿真算法。在常用车速60km/h下,对某轿车操纵稳定性进行了仿真,获得了横摆角速度、质心侧偏角和侧向加速度的时间历程。研究结果表明,基于线性和非线性Unitire侧向力模型仿真的横摆角速度、质心侧偏角和侧向加速度是不同的,研究汽车操纵稳定性应关注轮胎的非线性。

    Abstract:

    For modeling and simulation of automotive handling and stability, the nonlinear and linear laternal force models of Unitire are summarized. Based on planar sssumptions, the models of two degrees of freedom with nonlinear and linear tire characteristics are established for automotive handling and stability, the corresponding simulation algorithms are proposed based on linear and nonlinear laternal force models of Unitire. At common speed of 60 km/h, time domain simulation is carried out on a car handling and stability, the yew angular velocity, side-slip angle of the center of mass and laternal acceleration time history are obtained. The results show that the yew angular velocity, side-slip angle of the center of mass and laternal acceleration of linear laternal force model of Unitire are different from the ones of nonlinear laternal force model of Unitire, and it is necessary to pay attention to nonlinear property of tire.

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赵旗,王维,罗兰,等. 基于Unitire侧向力模型的汽车操纵稳定性的建模和仿真*[J]. 科学技术与工程, 2016, 16(32): .
ZHAO Qi, WANG Wei, LUO Lan, et al. Modeling and Simulation of Automotive Handling and Stability Based on Laternal Model of Unitire[J]. Science Technology and Engineering,2016,16(32).

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历史
  • 收稿日期:2016-06-23
  • 最后修改日期:2016-06-23
  • 录用日期:2016-08-10
  • 在线发布日期: 2016-11-22
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