立交匝道平面线形优化设计及MATLAB的应用

The application of MATLAB for optimization design of the interchange ramp horizontal alignment

本文在探讨最优化计算理论与方法的基础上,分析立交匝道平面线形设计的特点与方法,拟定线形组合型式,建立平面线形优化设计的数学模型,给出相应的优化计算方法,并应用大型通用的辅助计算软件MATLAB优化工具箱里的优化函数,实现线形参数的优化设计。

Through a discussion of the theories and methods for optimization, the characteristics and methods of the interchange ramp alignment design are analyzed in this paper, the alignment combination type is presented, and an optimization design model for the horizontal alignment is built. Moreover, the algorithm of optimization is also brought forward. Utilizing the function in the optimization toolbox of the universal software MATLAB, the optimization design for alignment parameter is studied.