查询词典 transportation algorithm

Depending on getting the crossway transportation data, the intention of the study is to make use of the expert system, neural network and genetic algorithm to analyze the dynamic characteristic of transportation and to form the global optimization control order, and to realize the local signal lamp control by the method of utilization fuzzy control.

研究的目标是在交通数据采集的基础上利用专家系统、神经网络、遗传算法等技术分析交通动态特征、形成全局优化调度指令，并利用模糊控制的方法实现交叉口的信号灯控制。

The paper analyses material transportation problem and give the solvable methods; analyses delivery vehicle route problem, and then construct its corresponding mathematical model and present a heuristic algorithm based on C—W algorithm; analyses the optimum scheduling problem of trucks, and then construct its corresponding mathematical model and put forward a new algorithm; analyses the Postal Transportation Problem which will perhaps be used in supply chain of manufacturing system, and then construct its corresponding mathematical model and present an approximation algorithm.

分析了制造系统供应链中供需平衡、供需不平衡、有转运等各种情况下的物资调运问题，给出了求解方法；分析了制造系统供应链配送作业中的配送车辆路线问题，建立了相应的数学模型，提出了一种基于C-W算法的启发式算法，该算法较好地解决了有时间约束的配送问题；分析了制造系统供应链中的货运卡车优化调度问题，建立了相应的数学模型，提出了一种基于表上作业法的求解算法；分析了制造系统供应链中有潜在利用价值的邮政运输方式问题，在详细描述了该问题的基础上，建立了相应的数学模型，提出了一种近似求解算法，该算法较好地解决了邮政运输方式这样的多种物流、多种运输方式，有严格时限和众多外部约束的特大型、复杂、并行的交连系统的计划调度问题。

In order to solve the public transportation route choice problem, the feature of public transportation network,compares algorithms of shortest route, and selection algorithm of public transportation network routes is analyzed based on two-way search.

为了解决人们出行公交路径选择问题，分析了公交网络的特点，对最短路径常用算法进行比较，提出一种基于双向搜索的公交网络路径选择算法。

Intelligent Transportation System on the core algorithm- the path that the test algorithm, the actual travel path and the path of speculation after the results were compared to assess the path that algorithm accuracy and performance.

详细说明：对智能交通系统的核心算法-路径推测算法进行测试，将实际行驶路径与经过路径推测的结果进行比较，以评估路径推测算法的准确率和性能。

Based on the Clark-white heuristic algorithm, we proposed simulation-annealing algorithm to solve the distribution VSP in urban transportation networks, in the algorithm we make full use of the fact that the cost will be saved if referred two vehicles is collocated.

在C-W节约法基础上，提出采用模拟退火算法解决具有模糊时间窗的VSP问题，重点分析随机解的产生规则，同时给出模拟退火算法所必须的其他规则。

Firstly,the mathematic model for transportation problem with multimodal transport is analyzed;Secondly,a hybrid genetic algorithm for transportation problem with multimodal transport is presented by introducing a form of hybrid chromosome coding,which considers both transportation quantity and transportation modes,and two hybrid genetic operators.

首先分析了多式联运运输问题的数学模型；其次通过引入关于运输量及运输方式的混合编码，结合两种混合遗传算子，提出了一种求解多式联运运输问题的混合遗传算法；最后用数值例子对算法的有效性进行了验证。

For solving transportation problems the quick algorithm is not only simpler and fewer computing steps than the simplex algorithm but also more easer and fewer computing steps than the generaliged Hungarian algorithm.

快捷法求解运输问题不仅比表上作业法计算步骤少、简单，而且比广义匈牙利法的计算步骤还少、还简单。

This article studies based on the shortest path city public transportation intelligence inquiry system, first aims at the city public transportation line network chart establishment mathematical model; Then research based on above mathematical model database creation method and corresponding algorithm design, with take Dijkstra algorithm as foundation, based on path shortest public transportation line inquiry algorithm, and through simple analog data confirmation algorithm validity; Finally brief introduction according to this thought design realization city public transportation intelligence inquiry system.

研究基于最短道路的城市公交智能查询系统，首先针对城市公交线路网络图建立数学模型；然后研究基于上述数学模型的数据库建立方法和相应的算法设计，和以Dijkstra算法为基础的、基于道路最短的公交线路查询算法，并通过简单模拟数据验证算法的有效性；最后简要介绍按此思想设计实现的城市公交智能查询系统。

The paper mainly concerns about:(1)Proposing the idea of completing the job using GIS software by discussing deficiency of the traditional transportation job;(2)Discussing the transportation plan algorithm and the flow, in this foundation, designing the transportation model programming realization flow chart;(3)With the comparison of the domestic and foreign GIS software platform, determining ArcGIS Desktop which has large drawing edit and spatial analyse functions as the development platform of transportation planning;(4)In the data organization and the database establishment, by using the recent object-oriented spatial data— Geodatabase and UML, completing the system database design and establishment, including spatial database, attribute database as well as transportation network database

详细研究内容如下：(1)论述了传统交通规划软件存在问题，提出了利用GIS平台开发交通规划系统的基本思想；(2)论述了交通规划的算法和流程，在此基础上，设计了交通模型编程实现的流程图；(3)通过比较国内外GIS软件平台，选定了具有强大图形编辑和空间分析功能的ArcGIS桌面版为交通规划系统的开发平台；(4)在数据的组织和数据库的建立上使用新的面向对象的空间数据—Geodatabase，并利用统一建模语言UML完成了系统数据库的设计与建立，包括空间数据库，属性数据库以及交通网络数据库；(5)论述了系统编程实现的基本方法，在ArcMap下采用VBA编程方法自由地定制了系统界面；(6)利用ADO Data和数据网格控件存取交通规划系统预测功能所需的数据库；(7)采用VB对ArcObject控件扩展开发方式，实现系统功能的开发，即利用COM技术的扩展性在VB中创建ActiveX动态链接库来实现特定的系统功能，并集成在ArcMap中运行；(8)系统完成了交通发生预测、交通分布、缓冲区分析、道路的网络分析、公交

The immune regulation, clone selection, immune memory were brought into standard genetic algorithm to design genetic immune algorithm for solving mixed transportation network design in view of the limitations of standard genetic algorithm and based on immunity theory.

鉴于标准遗传算法的局限性，基于人工免疫思想，将免疫系统仿生机理中的免疫调节、克隆选择、免疫记忆引入到遗传算法中，给出了求解混合交通网络设计的遗传免疫算法。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。