Research On Path Planning Optimization And Communication Adaptation Technology Of AGV Dispatching System

AGV(Automated Guided Vehicle)is an automatic guidance device equipped with corresponding navigation and positioning functions.It can travel along the path planned by the system.It has safety protection and can complete various tasks.It is an automatic equipment for modern industrial automation logistics.An important part of the system has the characteristics of strong environmental adaptability,high degree of automation,safety and flexibility,and easy maintenance.In the fields of food processing,electronic appliances,mechanical processing and new energy chemical industry,its products,technologies and solutions have increasingly extensive application scenarios.The AGV scheduling system is a key factor in determining the feasibility and efficiency of the overall solution in the collaborative operation of the AGV cluster.The thesis conducted an in-depth investigation on the current research status of the domestic and foreign AGV dispatching system in the route planning technology,the AGV dispatching system’s general compatibility with different navigation methods,and the wheel train AGV.According to the project requirements of the AGV system,optimize the development of the AGV scheduling system framework.Through the host computer software: console application Kernel,configuration program Kernel Control Center,control program Plant Overview and Web page program i Cloudy,the path planning optimization and the communication adaptation drive of AGV are realized.And the functions completed by modular design are: map model construction,traffic management and operation and maintenance monitoring.For the path planning module,when solving the multi-source shortest path,a multiAGV system path optimization algorithm based on tabu search is used to improve the convergence speed limit and computational space bottleneck of the traditional classic path search algorithm.It also introduces the optimization effects of path energy consumption attributes,time attributes and path load balancing target parameters into the system.After the modular development is integrated into the Kernel computing core,the superiority and necessity of this method are proved through group simulation experiments.Then design an efficient and stable communication scheme for the AGV system.By comparing commonly used wireless communication transmission technologies based on communication coverage,transmission rate,real-time performance and the working environment requirements of the AGV system,a reasonable WLAN network topology is determined.The communication protocol content between the host computer dispatching system and the AGV is defined,and the AGV communication adaptation driver is developed to be compatible with AGVs of various navigation methods and wheel trains,and to test its stability and reliability.Finally,a joint experiment of the AGV scheduling system is carried out.By modeling the real physical environment map of a factory’s logistics handling system,configuring AGV status attributes,grouping and dispatching task orders of different sizes,tracking the system operation process and the entire process of task execution.The scheduling system framework and algorithm implementation are verified,and the experimental results meet the expected design goals.It proves that the research results of the thesis have certain feasibility,stability and superiority,and have important academic research and engineering application significance.