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Design and implementation of the system of brake machine control system based on QT

Author: WangHongYun
Tutor: MaLiXiang; LinFang
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: AFC AG QT gates state machine
CLC: TP273
Type: Master's thesis
Year: 2012
Downloads: 8
Quote: 0
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Abstract


With the continuous development of urbanization, rail transportation an importantrole to play in the life of the city gates AG (Auto Gate) automatic fare collection systemas a rail transit AFC (Automatic Fare Collection System) is the key equipment toachieve the passengers out of the stationticket card detection and access control, gatecontrol system as the core of the control gates, to achieve business functions andoperations management functions. In this paper, the the gates control system based onthe QT Design and Implementation of the background of the main tasks are as follows:First, the article describes the basic hardware of the system of gates which havedone a comparative analysis of the the Development Gateway machine control systemdevelopment platform the QT platform and its related technologies developed by theDepartment of chosen, based on the three-tier structure of gates architecture mode of thecontrol system design and implementation methods, procedures and methods of QTplatform-based state Machine Framework state machine framework to achieve thestate’s complex operating model of the the gateway machine control system, and QTmultithreading technology to run the gateway machine control system more taskscheduling concurrent processing and achieve thread safety.The design of the system is the first by analysis system functional requirements,performance characteristics, and related requirements defined and divided systemfunction module, interface and interact with data, and then combined with thecharacteristics of the control system to select the three-tier model of softwarearchitecture design and analysis principle and operation mechanism of the technicalcharacteristics and the state machine of the the gateway machine control system usingthe QT state machine framework to define the state of the control systems need toachieve, on the state of the trigger, events, and jump relations detailed analysis anddefinition, and finally The combination of the QT framework for state machinetechnology control system gates. Interaction between threads by QT multi-threadingtechnology to create and implement multiple threads of control systems, adopt the QTspecific to the communications mechanism, and the QT thread-safe mechanism to achieve multi-threaded concurrent threads and data security.Finally, the paper design and development of the the gates control system based onthe QT, and a series of functional and performance testing, final design to achieve theintended purpose.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Automatic control,automatic control system
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