Design of the Temperature Control System for the Thermostatic Medical Infusion Pump_Journal of Biomedical Engineering

Authors：

HANXuefei ,  YANRongguo , DINGJie , GEBin , LIXiaoxia

School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;

Corresponding author：

YANRongguo, Email: ghxyrg@163.com

Keywords：

medical infusion pump; thermostatic control methods; proportional-integral-derivative; thermostatic control function

DOI：

10.7507/1001-5515.20140245

Video：

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In surgery operations, wound should be cleaned with warm sterilized saline solution. In order to reach rapidly warming the washing solution from the room temperature during the surgery, we designed a thermostatic medical infusion pump. The present paper mainly presents researches on the two temperature control methods in the standby mode and in the flushing mode of the system. In the standby mode, the traditional proportional-integral-derivative (PID) control algorithm was adopted. In the flushing mode, dynamic characteristics of the system was changed in real time, which made the thermostatic control process more complex, and the fitted control function combined with the PID control algorithm was adopted in this mode. The temperature control parameters were adjusted in real time according to the initial temperature and the flow rate of the washing solution to obtain a constant temperature of the washing solution, no matter how the initial temperature and the flow rate are changed. The experiment results showed that this kind of control system performed well with a high accuracy.

Citation： HANXuefei, YANRongguo, DINGJie, GEBin, LIXiaoxia. Design of the Temperature Control System for the Thermostatic Medical Infusion Pump. Journal of Biomedical Engineering, 2014, 31(6): 1294-1297,1309. doi: 10.7507/1001-5515.20140245 Copy

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1. 姜雪,陈丽媛,陈素兰,等.冲洗液温度对开胸手术患者生命体征及麻醉恢复期的影响[J].解放军护理杂志,2011,28(7):16-18.
2. 海涛.ATmega系列单片机原理及应用——C语言教程[M].北京:机械工业出版社,2008:32-85.
3. 刘海成.AVR单片机原理及测控工程应用:基于ATmega48/ATmega16[M].北京:北京航空航天大学出版社,2008:85-154.
4. 马潮.AVR单片机嵌入式系统原理与应用实践[M].第2版.北京:北京航空航天大学出版社,2011:173-451.
5. 王平,刘清君.生物医学传感与检测[M].杭州:浙江大学出版社,2010:173-219.
6. DUDAICEVS H, KANDLER M, MANOLI Y, et al. Surface micromachined pressure sensors with integrated CMOS read-out electronics[J]. Sens Actuators A, 1994, 43(1-3):157-163.
7. 王学文.实用输液报警器[J].电子制作,2009(07):11-12.
8. 戴锅生.传热学[M].第2版.北京:高等教育出版社,2011:32-55.
9. MUNRO N. The systematic design of PID controllers[C]//IEE Colloquium on Symbolic Computation for Control. Birmingham:1999, 1:10-19.
10. ANG K H, CHONG G C Y, LI Y. PID control system analysis, design and technology[J]. IEEE Trans Control Syst Tech, 2005, 13(4):559-576.
11. 刘道兴.PID控制及程序实现方法[J].内江师范学院学报,2005,20(6):20-23.
12. 黄长征,王杏进.基于单片机的传感器曲线拟合[J].传感器技术,2004,23(4):70-72.
13. MOHAN B, SINHA A. The simplest fuzzy PID controllers:mathematical models and stability analysis[J]. Soft Comput, 2006, 10(10):961-975.
14. GHAZIZADEH S M, HUGHES M F. A generator transfer function regulator for improved excitation control[J]. IEEE Trans Pow.Syst, 1998, 13(2):435-441.
15. DOYLE J, FRANCIS B, TANNENBAUM A. Feedback control theory[M]. London:Macmillan Publishing Co., 1990:163-180.

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