Title :
Temperature control configurations for a thermo-pneumatic micropump
Author :
Lopez, J. ; Puig-Vidal, M. ; Carmona, M. ; Stamopoulos, C. ; Laopoulos, Th ; Siskos, S.
Author_Institution :
Dept. of Electron., Barcelona Univ., Spain
Abstract :
Two different temperature control configurations for a thermo-pneumatic micropump are presented in this work. The temperature of the microcavity of the pump is controlled in both cases by switching on and off the supply current of a heating resistor. Temperature monitoring is achieved also by sensing a resistor value. Yet, the two configurations are completely different; one is based on a Wheatstone bridge closed loop circuitry similar to the “constant temperature anemometer” technique, while the other is based on sampling measurements between heating intervals and a model reference approach for the control of the pumping cycle
Keywords :
micropumps; model reference adaptive control systems; pneumatic systems; temperature control; Si; Wheatstone bridge; closed loop circuitry; heating intervals; heating resistor; microcavity temperature; model reference approach; resistor value; sampling measurements; supply current; temperature control configurations; temperature monitoring; thermo-pneumatic micropump; Bridge circuits; Current supplies; Heat pumps; Microcavities; Micropumps; Resistors; Sampling methods; Temperature control; Temperature measurement; Temperature sensors;
Conference_Titel :
Electronics, Circuits and Systems, 1999. Proceedings of ICECS '99. The 6th IEEE International Conference on
Conference_Location :
Pafos
Print_ISBN :
0-7803-5682-9
DOI :
10.1109/ICECS.1999.813236
