摘要This study aims to optimize the overall mechanism size of trapezoidal steering. A mathematical model is established and optimized in combination with its working characteristics. The objective function is the objective function of the actual momentary position of the vehicle and the error of Ackermann's instantaneous position, so that the actual instantaneous position in the theoretical instantaneous position near the maximum fluctuations in the minimum is close to the ideal Ackermann steering mechanism. Through the numerical experiment method, the instantaneous center position curve is simulated and the length of the trapezoidal pole is taken as the optimization target and the optimal area value. Results show that selecting the length of the steering mechanism in the optimal region is reasonable. The numerical experiment is compared with the theoretical mathematical model, and the optimal region is considered. The method is validated by introducing the existing calculation parameters and drawing the ideal deviation curve of the optimized steering. This study provides a normative guidance and basis for the design of trapezoidal steering mechanism.
Abstract：This study aims to optimize the overall mechanism size of trapezoidal steering. A mathematical model is established and optimized in combination with its working characteristics. The objective function is the objective function of the actual momentary position of the vehicle and the error of Ackermann's instantaneous position, so that the actual instantaneous position in the theoretical instantaneous position near the maximum fluctuations in the minimum is close to the ideal Ackermann steering mechanism. Through the numerical experiment method, the instantaneous center position curve is simulated and the length of the trapezoidal pole is taken as the optimization target and the optimal area value. Results show that selecting the length of the steering mechanism in the optimal region is reasonable. The numerical experiment is compared with the theoretical mathematical model, and the optimal region is considered. The method is validated by introducing the existing calculation parameters and drawing the ideal deviation curve of the optimized steering. This study provides a normative guidance and basis for the design of trapezoidal steering mechanism.
基金资助:Supported by the National Natural Science Foundation of China (No.51705390); Natural Science Foundation of Shaanxi Province of China (No.2018JQ5029); Xi'an Science and Technology Plan Project (No.2017075CG/RC038(XAGY008)).
通讯作者:
HU Ya-hui
E-mail: blackberry2@yeah.net
引用本文:
胡亚辉, 董皓, 张君安. 整体式梯形转向机构最优区域值计算及优化[J]. Journal of Highway and Transportation Research and Development, 2019, 13(2): 103-110.
HU Ya-hui, DONG Hao, ZHANG Jun-an. Calculation and Optimization of the Optimal Region Value of Integral Trapezoidal Steering. Journal of Highway and Transportation Research and Development, 2019, 13(2): 103-110.
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2019, Vol. 13 
