模糊交通系统规划决策模型分析  

Analysis of Decision Model of Fuzzy Transportation System Plan

作　　者：陈艳艳[1] 刘小明[1] 任福田[1] 

机构地区：[1]北京工业大学交通工程研究所,北京100022

出　　处：《北京工业大学学报》2002年第2期194-197,共4页Journal of Beijing University of Technology

基　　金：国家自然科学基金资助项目(59493300;5008002);北京市自然科学基金资助项目(8002004).

摘　　要：讨论了交通系统中的各种模糊性,如数据及信息的模糊性,基于知识的模糊性,对目标及目标函数描述的模糊性及问题定义中的模糊性.研究了交通系统模糊决策的数学模型,通过模糊推导对模糊交通系统进行运行结果预测,通过可信度度量检查了各策略对所有目标条件及约束条件的满足程度,基于更真实的系统模型,做出了更为合理的决策.不同于最大或最小值优化,此方法可寻求一较好满足目标条件及约束条件的协调满意解.Various kinds of fuzziness found in transportation system are discussed, such as the fuzziness of traffic data and information, the fuzziness of knowledge, the fuzziness of statements of objectives and problem definition, etc. In the meantime, fuzzy decision model is built, and the operation output of fuzzy transportation is assessed through fuzzy inference. The satisfactory degree of various strategies matching the conditions of objectives and constraints are checked by evidence theory. By using more reasonable system model, the optimum decision is made. Different from the optimization of maximum or minimum, adopting this method may find a harmonious satisfactory solution that meets the requirements of objective and constraints.

关 键 词：交通系统 模糊决策 可信度 

分 类 号：U491[交通运输工程—交通运输规划与管理]