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The Design and Implementation of Simulation System for Coalmine Safety Monitoring Teaching

Author: WanQing
Tutor: WenJunHao；JinChun
School: Chongqing University
Course: Software Engineering
Keywords: Security monitoring Simulation system Teaching Virtual Serial Port Multi-threaded
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 94
Quote: 0
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Abstract


Coal adequate training of professional and technical personnel and staff on duty to ensure the safety monitoring system uptime and play its monitoring, control and warning role is an important task. Hardware in the software simulation of mine to carry out the teaching, can be achieved to reduce the amount of hardware to use in teaching, cost savings, and reduce the difficulty of training delivery, improve the quality of teaching, is an effective way to solve a serious shortage of the laboratory hardware. In this paper, KJ90 system works analysis and research, analyzed the data format of the serial communication. The need for training and teaching in the virtual serial port and RS-232C communication protocol based on the design and analog interface device, sub-station and sensor hardware client and server-side management and distributed simulation device data, explanation and operation of the central station software programs in a software-only environment. Of this work is as follows: (1) through the virtual serial port technology to achieve serial communication between the client program and the central station software to solve the problem of command to receive and reply to data transmission; (2) based on a lot of work in the actual hardware acquisition data, analyze the query, the initialization request, initialization, manual control, cross-power-off format of the command and reply format command. Powered down and restore the logical relationship between the control signal through the study of a variety of data encoding and decoding, by a software simulation of the interface means and the sub-station, a sensor monitoring device structures; ③ completed for The analog device data is stored and distributed server-side design. Teachers users can manage their own definition of equipment after login, you can use the device defined by others, and by modifying the the sensor basic values ??and fluctuations in the value of unified teaching students the client Ads, display alarm, power failure, re- electricity and other effects; (4) by thread synchronization technology, the UI thread, the serial communication threads and network communication between threads work together. By periodically refreshing ensure that the client gets to the latest data, and in a timely manner through a virtual serial port to send to the KJ90 central station software. (5) in the client to achieve automatic detection function, serial data generated by monitoring the students' operation, inspection and prompt operation problems.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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