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Research and Design: An Intelligent Security System Based on Active-passive Infrared Technology

Author: GuoXiuXiu
Tutor: LvJianPing
School: Suzhou University
Course: Signal and Information Processing
Keywords: Tracking Combination of active and passive Voice Alarm Finite state machine
CLC: TP277
Type: Master's thesis
Year: 2010
Downloads: 115
Quote: 3
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Abstract


Current target based on infrared technology, control systems are mainly two: one for active infrared tracking system , the other is based on pyroelectric infrared sensor alarm system , this paper combines two security monitoring system to the characteristics of the target for a single of , and active tracking and passive tracking alarm function in an intelligent infrared safety monitoring system . Into the system monitor regional goals , according to whether they carry launchers into two categories: \For the \detection range of the \Active and passive combining a full range of surveillance and security play a preventive role , and to make up for the current security system can not distinguish between \technology . This paper describes the overall system architecture model and the use of the environment , and how it works ; then sub-module describes design and implementation of programs . Since each module induction principle differences, so active and passive two modules to be taken independently tracking algorithm , the paper tracking algorithm of each module is given a detailed description and to avoid decreased sensitivity of the sensor in the induction borders a proposal to improve the system work stability , timeliness and accuracy ; and completed the induction node hardware design, circuit board production and commissioning , as well as the design of the actuator . Experimental results show that the system is stable , environmental dependence is small, easy to expand the network connection , has a good application value , reaching the intended target of this article .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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