Workflow-based Yard Management System Design and Implementation
A yard management system (YMS) is a software application or solution that monitors the movement of trucks and trailers in a manufacturing facility, warehouse, or distribution center’s yard.
Gate control, dock control, and container control are all common features of a yard management system. The hierarchical tiers are built and maintained to support yard management of varying degrees of complexity. A distribution or warehouse yard’s yard management processes. The yard management system must communicate with the gate, dock, and container yard management system in real-time.
Algorithms that put away or pick up containers are part of container management procedures. Dock allocation algorithms must be established in accordance with yard management goals because dock allocation is so crucial in yard management systems.
Dock allocation algorithm
Because dock allocation has a significant impact on the efficiency of a yard management system, the majority of work in a transport distribution center occurs at the docks. In order for a yard management system to meet its objectives, dock allocation must be efficient and adaptable. The makespan, total waiting time, and vehicle arrival order are the three main objectives. Assume there are single-operation vehicles available at time zero, just as there are in the basic model. Assume there are identical docks available for work, and a vehicle can only work at one port at a time.
Implementation of a yard management system
YAWL is one of the few languages that are entirely based on XML standards like XPath and XQuery. The process editor allows visual editing of workflow definitions and the data they use, as well as graphical modeling of processes. The process editor saves an XML file, which is used by the workflow execution engine to carry out the workflow. Information for data elements defined in the XML specification may be required to be submitted during certain actions of a YAWL case. Only after all of the data in the forms are valid, does the form send it back to YAWL.
In comparison to other supply chain management procedures, yard management solutions are still in their infancy. As a result, the yard management system continues to be a bottleneck in the supply chain. Process failures and delays, such as container pick-up, vehicle docking, and gate passing, can have a negative influence on supply chain performance. In effect, efficient process operation inside a yard management system can boost and improve the competitiveness of a company. Using the workflow language YAWL, we created and built a workflow management system for a yard management system in this study.
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