基于15自由度动力学模型的ABS仿真实验研究

Research on ABS experiment in simulation based on vehicle dynamics model with fifteen freedoms

车辆仿真模型的精度是防抱死系统仿真研究的关键环节，控制逻辑是防抱死系统关键技术之一。详细描述了15自由度车辆动力学模型，与实车试验对比完成了模型验证工作。介绍了专业车辆动力学仿真软件veDYNA，并基于仿真环境开发了基于四相位控制逻辑的ABS控制软件，进行了干沥青路面的仿真实验研究，实验结果证明：15自由度动力学模型可以很好的用于ABS技术研究，ABS四相位控制逻辑能较好地发挥系统的性能，四相位控制逻辑也能用于ESP技术的研究。

Precision of vehicle simulation model is key part in ABS simulation,control logic is important technology in ABS.Dscribe vehicle dynamics model with fifteen freedoms in detail,complete model validation compared with real vehicle trails.Introduce professional vehicle dynamics emluator-veDYNA,deveiop ABS control software based on four control logic in emluator,research on experiments with dry road in simulation.The results prove that vehicle dynamics model with fifteen freedoms can be used in ABS technology study,four control logic can exert system performance very well,and four control logic can be used in ESP research.