摘要
利用ADAMS/View建立了大学生方程式赛车不等长独立双横臂前悬架及转向系统模型,左、右车轮施加行程为50mm的垂向激励。以车轮定位参数作为优化目标,利用多目标优化方法对悬架关键设计硬点进行优化,并根据容限法确定各车轮定位参数的权数,最后采用View模块中的OPTDES-GRG算法进行迭代优化。由优化前后车轮定位参数、前轮侧向滑移量和侧倾中心高度随车轮跳动量的变化曲线可知,优化后车轮定位参数、前轮侧向滑移量和侧倾中心高度均得到了改善,赛车悬架综合性能得到了提升,从而提高了方程式赛车的操纵稳定性,并证明了所设计优化方法的实用性和可靠性。
An unequal-length independent double-wishbone front suspension and steering system model for formula racing car is established based on ADAMS/View.The left and right wheels are applied with a vertical excitation of 50mm.The wheel alignment parameters are taken as the optimization targets,using the multi-objective optimization method to optimize the key design hard points of the suspension,and the weights of the wheel alignment parameters are determined by the tolerance method.Finally,the OPTDES-GRG algorithm is used for iterative optimization.According to the optimization results of the front and rear wheel alignment parameters,the front wheel lateral slip and the roll center height change curves with respect to the wheel jump,the optimized wheel alignment parameters,the front wheel lateral slip and the roll center height are totally improved,the overall performance of the racing suspension are enhanced,thereby improving the handling stability of the formula car,and proving the practicability and reliability of the designed optimized method.
作者
柴牧
欧阳东成
蒋勉
CHAI Mu;OUYANG Dong-cheng;JIANG Mian(School of Mechanical and Electrical Engineering,Foshan University,Guangdong Foshan 528225,China)
出处
《机械设计与制造》
北大核心
2022年第10期81-84,共4页
Machinery Design & Manufacture
基金
国家自然科学基金项目(51775182)。
