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標題: 樹莓派結合PRTD在體溫監控系統上的應用
Utilization of the Raspberry Pi on PRTD Application in Body Temperature Monitoring System
作者: 邱柏升
Po-Sheng Chiu
關鍵字: 白金電阻溫度計
Raspberry Pi
引用: 林傑斌、林永青、顏靜韻(民96)。SPSS統計建模與應用實務。台北市:網奕資訊。 衛生福利部中央健康保險署(民95年6月6日)。正確測量體溫方法 張凱慶 (民103)。 Python入門指南V2.40。 googleplay圖書。 Allen B.Downey. 2015. Think python, 2nd edition how to think like a computer scientist. Publisher: O'Reilly Media. Christopher G. Scully,Abdoulaye Karaboue,Wei-Min Liu, Joseph Meyer, Pasquale F. Innominato, Ki H. Chon, Alexander M. Gorbach, and Francis Lévi. 2011 Skin surface temperature rhythms as potential circadian biomarkers for personalized chronotherapeutics in cancer patients. Journal of The Royal Society 1(1): 48–60. Eben Upton and Gareth Halfacree. 2012.Raspberry pi user guide. British:Acknowledgements. Francisco Raposo. 2016. Evaluation of analytical calibration based on least-squares linear regression for instrumental techniques: A tutorial review. Trends in analytical chemistry . (77): 167-185. Freund John E,Walpole Ronald E. 1987. Mathematical statistics,4th edition. Hunter, 1981. Calibration and the straight line: current statistical practices. J. Assoc. Off. Anal. Chem., 64 (1981), pp. 574-583. Karl von Gebler .1879. Galileo galilei and the roman curia. United States: C.K. Paul & co. Lori Risse , Greg Vonada. 1999. High accuracy temperature measurement:Are they worth the insvestment?. Journal of I&CS. (818)894-7111. NPTEL. 2010. Power Electronic-EE IIT. Park J Med SCI. 2015. The bread and butter of statistical analysis 't-test': uses and misuses. 31(6): 1-2. Raymond H.Myers. 2000. Classical and modern regression with applications,2nd edition. United States: Duxbury Press. SAS Global Forum. 2012. The steps to follow in a multiple regression analysis.Paper 333-2012. Sohail Mirza, Joseph Shtargot. 2011. High-accuracy temperature measurements call for platinum resistance temperature detectors (PRTDs) and precision delta-sigma ADCs. Issue of EDN magazine. Vera Button. 2015. Principles of measurement and transduction of biomedical variables. united states:Elsevier Science Publishing Co Inc. Wong, Lena. 1997. Temperature of a healthy human (body temperature). The Physics Factbook. Willard J. Fisher. 1918. The relation of romer and Fahrenheit to the thermometer.
摘要: 一般進行溫度感測時,經常使用熱電偶來做為感測器;但熱電偶常使量測溫度常有超過0.5℃的誤差,訊號也不穩定,且又容易損壞;當感測端損壞時,必須要將整組設備重新校正,既費時且使用不方便。   材料科學的發達,使得PT-100和PT-1000的成本下降,且白金電阻溫度計(PRTD)穩定度非常高。若可縮小PRTD之校正區間,將可達到良好之量測效果,使用在體溫監控系統具有應用價值極大。   本研究係利用樹莓派(Raspberry pi 3 model B)輕便且適合撰寫程式及資料處理的優點,配合MCP3008晶片轉換PT100和PT1000的類比訊號,以達成一個體溫監控系統的雛形機設計。   根據研究結果顯示PRTD校正後之結果誤差約在0.1℃,極具有開發應用之價值;然在結合樹梅派應用之結果有較大誤差產生,仍需要再改善硬體設備才能達到良好之量測效能。
The thermocouples is used as a general temperature sensor. However, the existing shortcoming of the thermocouples made it's error be prone to more than 0.5℃.Its signal is not stable,and easily damaged.The sensing element needs be re-calibrated, so it is a time-consuming and inconvenient device. With the development of material science,the cost of PT-100 and PT-1000 sensing elements are declined, The stability of Platinum Resistance Temperature Detector(PRTD) is improved simultaneously. The narrow band of the Platinum Resistance Temperature Detector (PRTD) correction interval can achieve th desried measurement result.Thus it is valuable to use in the temperature monitoring system. According to the results of the study, PRTD errors were within 0.1℃.However, the application of the Raspberry Pi had the greater error.It is necessary to improve the hardware equipment to achieve better measurement performance.
文章公開時間: 2020-08-09
Appears in Collections:生物產業機電工程學系



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