本文選題：防盜報警系統(tǒng) + 防火報警系統(tǒng)�。� 參考：《東華理工大學(xué)》2017年碩士論文

【摘要】：本文主要研究一種防破壞報警系統(tǒng),包括防盜報警系統(tǒng)、防火報警系統(tǒng)。系統(tǒng)由多個報警器構(gòu)成,各個報警器之間定時地相互發(fā)送數(shù)據(jù),如果在規(guī)定的很短時間T內(nèi),任何一個報警器沒有接收到其它任何一個報警器發(fā)送的數(shù)據(jù),它就會自動觸發(fā)報警。例如:在防盜報警系統(tǒng)中有多個報警器,如果入侵者破壞一個或者多個報警器,將自動觸發(fā)系統(tǒng)中剩下的報警器,在很短一段時間之后發(fā)出報警。本文還研究一種防破壞的防火報警系統(tǒng)。在化工廠、礦井、加油站、辦公樓、商場、影劇院、住宅小區(qū)等場所,對防火報警系統(tǒng)的要求是十分高的。當(dāng)出現(xiàn)火災(zāi)險情時,報警器可能被烈火摧毀;有些火災(zāi)還可能引起爆炸,從而損壞報警器。如果對報警器加裝防火外殼,不僅在硬件成本上會增加,而且煙霧傳感器和溫度傳感器等薄弱之處仍然容易燒毀或炸毀。本文的報警系統(tǒng)采用zigbee為核心器件。所制作的樣品有10個zigbee節(jié)點(diǎn),每個節(jié)點(diǎn)就是一個防盜報警器或防火報警器。每個防盜報警器都配備有人體紅外傳感器。各節(jié)點(diǎn)以廣播地形式相互發(fā)送數(shù)據(jù),從而構(gòu)建了一種網(wǎng)狀拓?fù)浣Y(jié)構(gòu)的報警系統(tǒng)。當(dāng)報警系統(tǒng)中一個或者多個報警器被破壞,其他報警器能立即發(fā)出報警,并且可以通過上位機(jī)監(jiān)測到哪些報警器受到破壞。當(dāng)報警系統(tǒng)中任何一個報警器檢測到入侵者時,所有報警器都會發(fā)出報警。本課題還通過實(shí)驗(yàn)來驗(yàn)證這種報警系統(tǒng)的效果。本文的防破壞報警系統(tǒng)還可以組成多層網(wǎng)絡(luò),本文研究了多層防盜報警網(wǎng)絡(luò)的自組織方法,推導(dǎo)了這種自組織方法的數(shù)學(xué)式并用matlab軟件對其作了仿真。當(dāng)防盜報警節(jié)點(diǎn)被不規(guī)則放置時,各防盜報警器的保護(hù)區(qū)域自動連接成一個沒有漏縫的封閉圈,使入侵者無縫可鉆。當(dāng)放置的防盜節(jié)點(diǎn)足夠多,將形成多個沒有漏縫的封閉圈,從而實(shí)現(xiàn)多層防御。于是,入侵者在破壞其中一層防盜報警網(wǎng)絡(luò)后,還要面對下一層防盜報警網(wǎng),從而增加入侵難度。為了能夠讓防盜報警系統(tǒng)更加精確地確定入侵者的位置,本文研究了一種改進(jìn)型的測電波到達(dá)時間(TOA)算法。其特點(diǎn)就是當(dāng)多個防盜報警節(jié)點(diǎn)同時檢測到入侵者時,首先篩選出三個最合適的報警器,然后利用三邊相交法來計算出入侵者的具體坐標(biāo)。本文的研究成果維護(hù)社會治安有意義,對防災(zāi)安全有意義。
[Abstract]:This paper mainly studies a kind of anti-damage alarm system, including anti-theft alarm system and anti-fire alarm system.The system consists of a plurality of alarms, each of which periodically transmits data to each other, if, within a specified short period of time T, any one alarm does not receive the data sent by any of the other alarms,It automatically triggers the alarm.For example, there are multiple alarms in the anti-theft alarm system. If the intruder breaks one or more alarms, the remaining alarms in the system will be automatically triggered, and the alarm will be issued after a very short period of time.This paper also studies a fire alarm system for anti-damage.In chemical plants, mines, gas stations, office buildings, shopping malls, theatres, residential areas and other places, fire alarm system requirements are very high.In the event of a fire hazard, the alarm may be destroyed by a fire; some fires may also cause an explosion, which may damage the alarm.If an anti-fire shell is added to the alarm, not only will the cost of hardware increase, but also weak spots such as smoke sensors and temperature sensors will still easily burn down or blow up.The alarm system in this paper adopts zigbee as the core device.The sample has 10 zigbee nodes, each node is a burglar alarm or fire alarm.Each burglar alarm is equipped with a human infrared sensor.Each node transmits data to each other in the form of broadcast ground, thus a network topology alarm system is constructed.When one or more alarms in the alarm system are damaged, other alarms can immediately send out an alarm, and which alarms can be detected by the upper computer.When an intruder is detected by any alarm in the alarm system, all alarms give an alarm.This subject also verifies the effect of this alarm system through experiments.In this paper, the anti-damage alarm system can also form a multi-layer network. In this paper, the self-organizing method of the multi-layer anti-theft alarm network is studied, and the mathematical formula of the self-organizing method is deduced and simulated by matlab software.When the anti-theft alarm node is placed irregularly, the protection area of the anti-theft alarm is automatically connected into a closed ring without leakage, which makes the intruders can be drilled seamlessly.When sufficient number of anti-theft nodes are placed, a number of closed rings without cracks will be formed, thus achieving multiple layers of defense.Therefore, after the intruders break one of the anti-theft alarm network, they have to face the next layer of anti-theft alarm network, thus increasing the difficulty of intrusion.In order to make the anti-theft alarm system more accurate to determine the location of intruders, this paper presents an improved algorithm for measuring the arrival time of radio waves (TOAs).Its characteristic is that when multiple anti-theft alarm nodes detect intruders at the same time, three most suitable alarms are first screened, and then the specific coordinates of intruders are calculated by using the triangulation method.The research results of this paper are meaningful to maintain public order and to prevent disaster.
【學(xué)位授予單位】：東華理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TP277

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