Temperature modulation is considered as one of the procedure to obtain enhanced gas sensor performance. It is because the gas sensor kinetics between the gas sensor and the gas, depends on the sensor surface temperature. In this research we have studied the effect of the temperature modulation on the gas sensor array in presence of different gases. Responses for different heating waveform are compared based on the clusters of extracted features and finally conclusion can be drawn that temperature modulation leads to distinct clusters of target gases which helps in easy identification

Metal oxide gas sensor, Temperature modulation, inter-intra cluster distance ratio.

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