This paper introduces the application of the universal logic module on automatic conveyor belt control describes and presents the main functions of the system, solutions and soft circuit diagram.
介绍了可编程逻辑控制模块在自动运输线控制系统中的应用，对系统的控制功能及实现 方法做了说明，并给出了功能块图。
Loading and transportation is a key link during logistics delivering,The rational project of cargo loading will economize the capacity of wagons,The exact planning of vehicle routing in distribution will reduce rate of empty driving,lower cost of distribution and take great effect on the customer service level.
其次,运用运筹学中的Dijkstra算法建立模型,给出基于交通条件约束下直送式货物配送运输车辆路线进行优化的方法和步骤,得出最优运输线路。
