本文關(guān)鍵詞： 物聯(lián)網(wǎng) 智能家居 遠(yuǎn)程遙控 Android GSM DTMF 嵌入式系統(tǒng)　出處：《長(zhǎng)安大學(xué)》2014年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：物聯(lián)網(wǎng)是通過(guò)射頻識(shí)別、激光掃描器、全球定位系統(tǒng)、紅外感應(yīng)器等多種傳感設(shè)備，按照約定好的協(xié)議，將物品與互聯(lián)網(wǎng)連接起來(lái)，進(jìn)行信息交換和通訊，從而實(shí)現(xiàn)智能化識(shí)別、定位、跟蹤、監(jiān)控和管理的一種網(wǎng)絡(luò)。物聯(lián)網(wǎng)的進(jìn)一步發(fā)展為智能家居提供了更多的保障和發(fā)展空間，可以認(rèn)為智能家居是物聯(lián)網(wǎng)應(yīng)用的最重要的體現(xiàn)。為了更好的滿(mǎn)足家庭智能化要求，本文提出了一種基于Android手機(jī)和GSM技術(shù)的語(yǔ)音遙控家用設(shè)備的方法，為整個(gè)智能家居系統(tǒng)化、多樣化提供更多選擇。 本系統(tǒng)采用Android平臺(tái)開(kāi)發(fā)上位機(jī)的發(fā)送端軟件和接收端軟件，發(fā)送端軟件可以通過(guò)GSM技術(shù)撥通接收端手機(jī)的號(hào)碼，接收端軟件監(jiān)聽(tīng)手機(jī)狀態(tài)，當(dāng)手機(jī)有來(lái)電時(shí)，通過(guò)查詢(xún)數(shù)據(jù)庫(kù)，判斷與存儲(chǔ)的號(hào)碼是否一致，自動(dòng)選擇是否接聽(tīng)發(fā)送端手機(jī)的呼叫，發(fā)送端通過(guò)按鍵發(fā)送不同的DTMF音頻信號(hào)，接收端接收后并打開(kāi)揚(yáng)聲器播放該DTMF音頻。 系統(tǒng)的下位機(jī)開(kāi)發(fā)是在單片機(jī)STC89C52的基礎(chǔ)上進(jìn)行開(kāi)發(fā)的，下位機(jī)通過(guò)麥克接收上位機(jī)播放的DTMF音頻，，采用LM386芯片將音頻信號(hào)放大，用MT8880芯片來(lái)進(jìn)行音頻的識(shí)別解碼，并分析出按鍵碼值。然后將解析的碼值交給嵌入式開(kāi)發(fā)平臺(tái)顯示，并轉(zhuǎn)發(fā)給執(zhí)行模塊來(lái)完成智能家居家用設(shè)備的控制。 經(jīng)過(guò)測(cè)試，Android軟件之間通信良好，接收端軟件的自動(dòng)接聽(tīng)能夠在不同Android系統(tǒng)版本上相互兼容，由于條件有限，在此只測(cè)試了5部手機(jī)，完全可以實(shí)現(xiàn)自動(dòng)接聽(tīng)。下位機(jī)通過(guò)多次測(cè)試也能準(zhǔn)確、穩(wěn)定地控制家用設(shè)備。結(jié)果表明，該系統(tǒng)能夠?qū)崿F(xiàn)預(yù)期功能，具有較高的實(shí)用價(jià)值。
[Abstract]:The Internet of things is a variety of sensor devices, such as radio frequency identification, laser scanner, global positioning system, infrared sensor and so on. According to the agreed protocol, goods are connected to the Internet for information exchange and communication. The further development of the Internet of things provides more protection and development space for the intelligent home. It can be considered that smart home is the most important embodiment of the Internet of things application. In order to better meet the intelligent requirements of the home, this paper proposes a method of voice remote control home equipment based on Android mobile phone and GSM technology, which is systematized for the whole smart home. Diversification offers more options. This system uses Android platform to develop the software of the transmitter and receiver of the host computer. The software of the transmitter can dial the number of the mobile phone through the GSM technology. The software of the receiver monitors the status of the mobile phone, and when the phone calls, the software can monitor the status of the mobile phone. By querying the database, we can judge whether the number is the same as the stored number, and choose automatically whether to answer the call of the mobile phone at the sending end. The sender sends different DTMF audio signals by keystrokes, and then the receiver receives the DTMF audio and opens the speaker to play the DTMF audio. The development of the system is based on the single-chip computer STC89C52. The lower computer receives the DTMF audio from the host computer through the Mac, uses the LM386 chip to amplify the audio signal, and uses the MT8880 chip to recognize and decode the audio. The key code value is analyzed, and then the analyzed code value is given to the embedded development platform for display and forwarded to the executive module to complete the control of the home device of the smart home. After testing, the communication between Android software is good, the automatic answering of receiver software can be compatible with each other in different Android system versions. Because of the limited conditions, only 5 mobile phones have been tested here. The lower computer can control the household equipment accurately and stably through many tests. The result shows that the system can realize the expected function and has high practical value.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TP391.44;TN929.5;TU855

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