基于响应面方法的铁路纵断面优化技术

Optimization Technique for Railway Vertical Alignment Design Based on Response Surface Method

针对铁路纵断面优化设计中优化目标函数难以显式表达的困境,应用响应面方法拟合目标函数显式表达式,结合优化理论,研究了铁路纵断面优化设计技术,并编制程序进行了计算验证。计算结果表明了用响应面方法拟合目标函数表达式进行铁路纵断面优化设计的正确性和可行性。

For the difficulty to get explicit formulation of optimization object function during the optimization design of railway vertical alignment design,in this paper the response surface method was introduced to get explicit formulation of fitting object function.Combining the optimization theory,the optimization technique of railway vertical alignment design was studied and put forwarded.Then the calculation and analysis was conducted through program.The results of numerical calculation indicate that the optimization design technique for railway vertical alignment based on response surface method is correct and feasible.