Design And Realization Of The Integratde Command And Display Software System

The integrated command and display software system receives the data information from multiple systems, such as emission and testing system, measurement and control system, communication system, meteorological system, etc, and convert them into visualized information, such as text, tables, curves, images, two-dimensional trend and three-dimensional trend, etc. The visualized information is rendered to users, which make it easy for users to harmonize and command the process of task.Based on the the analysis of the weakness of the multi original command and display software system in the Jiuquan Satellite Launch Center, such as unreasonable structure design, maintenance workload, inconsistent data formats, interface inconsistencies, lack of data interpretation analysis, lack of network management, etc, the design and realization of a integrated command and display software system is presentred.The system structure is divided into six subsystems, such as the interface conversion subsystem, the data processing subsystem, the data supporting subsystem, the image customization subsystem, the real-time display subsystem and the central control subsystem. The interface conversion subsystem is responsible for receiving data from multiple systems, converting its format to appropriate format, and transmitting it to the command and display of the network. The data processing subsystem is responsible for receiving data from the interface conversion subsystem, and explaining out parameter data, according to the information convention table. The data supporting subsystem is responsible for providing many services, such as record and replay data, query the historical data, data interpretation and analysis, browse experimental documents, download software or image, etc. The image customization subsystem can visually customize image, by the way of dragging and dropping graphics element controls from toolbox onto image and configuring the properties of controls, and save the image as binary files could be interpreted. The real-time display subsystem is responsible for reading the parameter data from the data processing subsystem, and displaying the images which is customized by the image customization subsystem. The central control subsystem is responsible for monitoring the command and display of the workstation.The testing and running demonstrateds that the new software system has many advantages, such as reasonable architecture, flexible configuration, easy expansion, easy to maintain, etc.In the implementation, many technical issues are solved, such as information convention table, interface conversion, graphics element, script interpretation, undo and redo, display two-dimensional trend, and network monitoring, etc.