Multiparametric capillary sensor: stabilization of local heating

M. Gęca; M. Borecki; A. Kociubiński

doi:10.1117/12.2501616

1 October 2018 Multiparametric capillary sensor: stabilization of local heating

M. Gęca, M. Borecki, A. Kociubiński

Proceedings Volume 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018; 108080Z (2018) https://doi.org/10.1117/12.2501616
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 2018, Wilga, Poland

Abstract

To this day, the micro-heating unit in a multiparametric capillary sensor’s setup has been controlled using laboratory power supply with constant voltage. In this method it was assumed that the micro heater’s resistance value is semi-constant. However, due to the fact that degradation effects induced by high power density dissipation in multiple, intense or prolonged heating cycles may cause it to vary, a new approach had to be found. Therefore, in this paper, a development of a power stabilization method using PID controller to compensate for micro-heater’s resistance changes during intense heating is described. Additionally, a current sensing resistor, a programmable power supply and a data acquisition system are incorporated into the setup to provide closed-loop feedback.

Citation Download Citation

M. Gęca, M. Borecki, and A. Kociubiński "Multiparametric capillary sensor: stabilization of local heating", Proc. SPIE 10808, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2018, 108080Z (1 October 2018); https://doi.org/10.1117/12.2501616

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