Abstract
In this paper, an acoustical sensing unit for temperature distribution measurement is proposed. The acoustical sensing unit has been proposed by authors and there is still a room to improve its performance; improvement of measurement resolution and optimization of total measurement cost. In this paper, an effective sensor aliment and application of wireless communication system, ZigBee, for acoustical sensing unit is proposed. In newly proposed sensor aliment, the spatial resolution is improved around 10 % than previous sensor aliment, and ZigBee enables reliable and low-cost wireless communication between sensors. Performance evaluation is conducted experimentally and the obtained results suggest that the new acoustical sensing unit has sufficient resolution in temperature distribution and performance of data collection via ZigBee is enough for temperature measurement.
