Semiconductor gas sensors are widely used in gas- analyzing applications for various gas species determination due to their low cost and possibility to detect number of different gases. However, one of the main problems with such sensors is their lack of selectivity. To overcome this issue different ap- proaches can be used. One of them is the operation with sensor temperature modulation combined with dedicated data process- ing methods. In this paper, a measurement stand for semicon- ductor gas sensors with temperature modulation is presented. Proposed approach allows measurement with ”On – Off” tech- nique and periodic square, sinusoidal and triangle heating volt- age. Exemplary results of Taguchi type gas sensor in the presence of synthetic air are shown. Influence of the temperature modu- lation on the parameters of the sensors were investigated.
Authors
Additional information
- Category
- Publikacja monograficzna
- Type
- rozdział, artykuł w książce - dziele zbiorowym /podręczniku w języku o zasięgu międzynarodowym
- Language
- angielski
- Publication year
- 2013
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