Research On The Optimization Of Lightweight Wall Panel Production Line And Its MES System For Prefabricated Building

Lightweight wall panels have advantages such as lightweight,energy-saving,environmental protection,and high efficiency,and are widely used in prefabricated frame structures.The factory production efficiency and intelligent degree of lightweight wallboard determine whether prefabricated building can be successfully implemented.The renovation and transformation of the production line for lightweight wall panel manufacturing can improve the quality and efficiency of prefabricated lightweight wall panel components,and promote the rapid development of building industrialization.In order to improve the efficiency and information management level of the lightweight wall panel production line,this article takes the lightweight wall panel production line as the research object,constructs a logical model of the lightweight wall panel production line based on digital twins,and conducts layout design and simulation optimization of the lightweight wall panel production line;Based on genetic simulated annealing algorithm,production line scheduling optimization is achieved,and a lightweight wall panel production line MES system is built to achieve information management of the lightweight wall panel production line.The main research content is as follows:(1)In order to efficiently and reasonably realize the simulation design of the lightweight wallboard production line,the lightweight wallboard production line was first taken as the research object,and its simulation composition architecture and physical entity in the production line were analyzed and elaborated.Then,taking the processing machine wallboard forming machine in the production line as an example,its performance status in the digital twin abstract model was expounded from four aspects: geometry,physics,production behavior,and simulation rules,Thus,a method for constructing a simulation digital twin logical model for lightweight wall panel production lines is proposed.(2)Analyze the production process of lightweight wall panels,based on the main process data during the production process of lightweight wall panels,construct a simulation model of the production line of lightweight wall panels using Plant Simulation software,complete the parameter settings of each workstation,and achieve the operation of the production system model;Propose optimization and improvement plans for bottleneck workstations based on parameters such as equipment utilization rate and blockage rate in the operation result chart;After optimization,the blocking rate of the simulation model was reduced and bottleneck workstations were improved.(3)In order to improve the efficiency of the production line,the scheduling problem of the light wallboard production line was analyzed and a mathematical model was established.The mathematical model was solved by combining the genetic algorithm and simulated annealing algorithm.The maximum total processing time was taken as the fitness function,and then the mathematical model was subjected to chromosome coding,adaptive crossover,mutation and other operations.Finally,an example of an enterprise’s wallboard production line was used to verify the algorithm,A satisfactory scheduling plan has been obtained.(4)Analyze the basic requirements of the MES system for the lightweight wall panel production line,design the architecture of the MES system for the lightweight wall panel production line based on B/S,and complete the functional design of the MES system for the lightweight wall panel production line under the PHP framework.According to the system functional module requirements,complete the design of the data table,and finally divide the system functional modules into dynamic modules and static modules to facilitate real-time management of the lightweight wall panel production line by managers.In summary,in order to further improve the efficiency and information management level of the lightweight wall panel production line,this article is based on the proposed digital twin logic model construction method.The production line is modeled and simulated using Plant simulation software,and then the production line scheduling problem is solved using genetic simulated annealing algorithm.Finally,the MES system design of the lightweight wall panel production line is studied.These methods have solved the bottleneck and scheduling problems on the production line,providing ideas and references for optimizing the production process of lightweight wall panels.