Design And Implementation Of LED Lighting Layout System Based On AutoCAD

With the development of science and technology and advocate of the low-carbonlifestyle, LED lightings become more popular than before. It will take the place of traditionallightings in the near future. But based on AutoCAD, a design layout for LED lightings ismuch more difficult. For designers it is a repetitive work and prone to error and not easy todiscover with traditional methods. So we need to develop a new LED lighting layout systemto help enterprise to reduce the design cost, to improve the efficiency and give customers agood experience of participation.This paper analyzes actual user requirements and develops AutoCAD-based lightinglayout system, using the method of customizing AutoCAD development and LINQ dataaccess technology. The system implements area settings, lighting devices configuration, cableconfiguration, verification and export data feature, etc.First, this paper analyzes and compares technical features and merit and demerit ofcustomizing AutoCAD development, and proposes an integrated solution. Then, this papercompletes the feature model design after analyzing the collected customers’ requirements andsummarizing the features of system. From the perspective of feature model, this paper definesthe scope of the system with use case diagrams and uses case specification. The feasibility isanalyzed from operability, technical, benefits and other aspects of the system.Then, this paper completes architecture design of AutoCAD-based lighting layout system.The system adopts C/S architecture model. It uses Microsoft SQL Server2005as the databasedeployed on the server side, while AutoCAD and AutoCAD-based lighting layout system aredeployed on the client side. Logical architecture of the system uses hierarchical style.According to requirements, functions and responsibilities, the system is divided into fourlayers. From bottom to top, there are data access layer, business logic layer, presentation layerand common layer. Presentation layer is responsible for implementing the interaction betweenoperators and the system; business logic layer is responsible for business processing, usingprocess-oriented model; common layer defines utility classes for other layers; and data accesslayer is responsible for data processing with LINQ technology. This paper designs the database of this system with E-R modeling methods and then database structure is designedbased on it.After that, the paper determines the system’s development and runtime environment. Thedetailed design of main modules in AutoCAD-based lighting layout system is given withprogram flow diagrams. The system is implemented using.NET technology. Finally, the papertakes functional testing and performance testing on the system. The results show that thesystem functions and performance reaches the intended target and satisfies customers’requirements properly.