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在分析铁路新线纵断面选线知识特点的基础上,提出基于满意度原理的铁路新线纵断面优化设计方法,并给出计算模型和算法。该方法以综合满意度函数反映设计者对工程性能指标和运营性能指标的评价,从决策准则、搜索算法的停止准则和解的评价过程准则方面综合考虑,通过对工程满意度、运营满意度、整饰满意水平、整饰满意度、满意收敛准则概念的引入,提出满意整饰思想,并结合实例给出完整的满意优化求解思路。该方法是铁路勘测设计智能化系统的重要组成部分。实例分析表明此原理和方法是有效的。
Based on the analysis of the characteristics of line selection knowledge of the new railway profile, an optimization design method for longitudinal profile of the new railway line based on the principle of satisfaction is proposed and the calculation models and algorithms are given. The method reflects the designer’s evaluation of engineering performance indexes and operational performance indexes with the comprehensive satisfaction function, and takes the decision criteria, the stop criteria of search algorithms and the evaluation process criteria of solutions into consideration. Through the analysis of engineering satisfaction, operation satisfaction, The level of satisfaction with decoration, the degree of decoration satisfaction, and the concept of satisfactory convergence criteria, the idea of satisfactory finishing is put forward and the complete idea of optimal solution is given with examples. The method is an important part of railway survey and design intelligent system. The case study shows that this principle and method are effective.