Research On The Distributed Data Interaction Measurement And Control Network Based On Mcwill And RS-485

Distributed data interaction measurement and control network was studied in thedesign of multi-grade remote target-scoring system. The system is very useful inlarge-scale live-ammunition training, many information about the bombs dropped indifferent target sections could be centralized got as well as multi-displayed andunified evaluated, we could know whether the bomb hit the target, the coordinateposition of the dropped bombs relative to the centre of target section, the time of thebombs dropped and so on. The system united many photoelectric measurement andcontrolling technologies, such as binocular stereovision along with wirelesscommunication network and distributed data acquisition, the problem of remoteautomatic and accurate target-scoring was solved in the live-ammunition training, it ismeaningful to examine and improve the live-ammunition level of our army. Theresearch work in the thesis includes the solution of some key problems in the systemdesign:1. The distributed wireless measurement and control network was designed againstthe problem of large coverage area of the target sections as well as the badenvironment and difficult to realize wire communication. The communicationenvironment along with device and protocol were chosen, the method of networkconnection establishment and the format of command and data in theenvironment of McWiLL wireless network were studied, the thesis also discussedthe details of information interaction, multi-threaded remote controlling and datainteraction based on simplified TCP/IP protocol were realized.2. The human-computer interaction software was designed for upper monitor whichis the main operating platform of the system. The software includes ninefunctional module: data handling; multimodal display; serial communication;document management and so on, the technology of splitter window was used inthe design of interface, so the results of monitor could be displayed in the form oflist as well as diagram of the dropped bombs and histogram, the thesis discussedthe details about the training data, such as the data management and storage, alsointroduced the method of displaying and printing. 3. The multimachine monitoring network based on RS-485was designed in order tomeet the demands of unified controlling and displaying when the armies weretraining together in many target sections, data sharing between supervisorymonitors and the six upper monitors was realized. The thesis discussed a series ofrealization details about the system: the method of network built; the selection ofnetwork communication device and API, the format of communication data, theprocessing of information interaction, the design of supervisory monitor interface,the printing method of total score.Distributed data interaction measurement and control network which was designed formulti-grade remote target-scoring system has been used in training target sections abouthalf a year, it is proved that the network is steady and convenient, the requirements ofunified display as well as remote monitoring and automatic evaluation are met fortroops in large-scale live-ammunition training.