关键词: 小波分析, 压电传感器, 形状记忆合金, 除冰, 数值分析

Abstract: This work was aimed to monitor the ice accumulation on flight structures and deice after self-diagnosing by using embedded sensors and actuators. Wavelet analysis was applied to diagnose the emergency of ice and its grade. The deicing could be done by shape memory alloy. The method proposed could be an active deicing method, which can save energy and can be used to complex structures.

Key words: w avelet analysis, p iezo-elect ric senso r, shape memo ry alloy, deice, numerical simulat ion