發(fā)布時(shí)間：2018-04-18 12:48

  本文選題：無線傳感網(wǎng)絡(luò) + 脈搏血氧飽和度��； 參考：《天津工業(yè)大學(xué)》2017年碩士論文

【摘要】：在新的智慧醫(yī)療體系中,對(duì)人體生命體征進(jìn)行實(shí)時(shí)監(jiān)測(cè)是一個(gè)非常重要的環(huán)節(jié)。醫(yī)學(xué)角度所關(guān)注的人體生命體征信息,如血氧飽和度和脈率,是表征人體健康程度的重要指標(biāo),實(shí)時(shí)地監(jiān)測(cè)脈搏和血氧飽和度將在病情診斷和健康監(jiān)護(hù)方面發(fā)揮著積極作用。RFID標(biāo)簽工作在860-960MHz頻率范圍內(nèi),閱讀器和標(biāo)簽之間基于EPC Cl GEN2/ISO 18000-6C協(xié)議實(shí)現(xiàn)數(shù)據(jù)的傳遞。通過將傳感器技術(shù)與RFID通信技術(shù)相結(jié)合,利用無線通信網(wǎng)絡(luò)完成對(duì)脈搏血氧數(shù)據(jù)的傳輸,實(shí)現(xiàn)對(duì)人體生命體征的監(jiān)測(cè),對(duì)推動(dòng)智慧醫(yī)療行業(yè)的發(fā)展有著重要的意義。本文在研究無線傳感網(wǎng)絡(luò)的脈搏血氧信號(hào)測(cè)量節(jié)點(diǎn)的基礎(chǔ)上,設(shè)計(jì)了一種基于有源RFID標(biāo)簽的反射式脈搏血氧傳感系統(tǒng)。系統(tǒng)采用雙波長脈搏血氧無創(chuàng)檢測(cè)的理論和方法,并建立了反射式脈搏血氧飽和度檢測(cè)模型。由反射式脈搏血氧探測(cè)模塊、數(shù)據(jù)處理模塊、RFID收發(fā)模塊、上位機(jī)及顯示界面四個(gè)模塊組成。首先反射式脈搏血氧探測(cè)模塊對(duì)人體脈搏血氧光感信號(hào)進(jìn)行采集、分析和處理,通過串口通信方式將數(shù)據(jù)傳遞給數(shù)據(jù)處理模塊,數(shù)據(jù)處理模塊通過SPI通信與RFID標(biāo)簽建立連接并將數(shù)據(jù)傳遞到RFID標(biāo)簽之中。最后RFID閱讀器通過無線通信的方式讀取RFID標(biāo)簽中的數(shù)據(jù),并在利用C++編寫的上位機(jī)顯示界面中顯示出來�？梢詫�(shí)現(xiàn)血氧飽和度和脈搏的無創(chuàng)、實(shí)時(shí)、中遠(yuǎn)距離無線監(jiān)測(cè)的功能。實(shí)驗(yàn)結(jié)果表明,系統(tǒng)所測(cè)血氧飽和度的最大誤差為±1%,脈率的最大誤差為±1.9%。表明本文所設(shè)計(jì)脈搏血氧傳感系統(tǒng)具有良好的精確度與可靠性,在可穿戴智慧醫(yī)療等研究方向有很好的應(yīng)用前景。
[Abstract]:In the new intelligent medical system, real-time monitoring of human vital signs is very important.The vital sign information, such as blood oxygen saturation and pulse rate, which is concerned by medical angle, is an important indicator of human health.Real-time monitoring of pulse and oxygen saturation will play an active role in disease diagnosis and health monitoring. RFID tags work within the frequency range of 860-960MHz. The data transfer between readers and tags is based on EPC Cl GEN2/ISO 18000-6C protocol.By combining sensor technology with RFID communication technology, using wireless communication network to complete the transmission of pulse blood oxygen data and realize the monitoring of human vital signs, it is of great significance to promote the development of intelligent medical industry.Based on the research of pulse oxygen signal measurement node in wireless sensor network, a reflective pulse oxygen sensing system based on active RFID tag is designed in this paper.The system adopts the theory and method of dual wavelength pulse oxygen noninvasive detection, and establishes a reflex pulse oxygen saturation detection model.It consists of four modules: reflection pulse oxygen detection module, data processing module and RFID transceiver module, upper computer and display interface.First of all, the reflection pulse oxygen detection module collects, analyzes and processes the human pulse oximetry signal, and transmits the data to the data processing module through serial communication.The data processing module establishes the connection with the RFID tag through the SPI communication and transfers the data to the RFID tag.Finally, the RFID reader reads the data in the RFID tag by wireless communication, and displays it in the display interface of the upper computer written by C.It can realize the function of non-invasive, real-time and long-range wireless monitoring of oxygen saturation and pulse.The experimental results show that the maximum error of oxygen saturation measured by the system is 鹵1 and the maximum error of pulse rate is 鹵1.9.The results show that the pulse oxygen sensing system designed in this paper has good accuracy and reliability, and has a good application prospect in wearable intelligent medicine and so on.
【學(xué)位授予單位】：天津工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TH789;TP391.44

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