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传感器故障诊断技术的研究对提高系统可靠性具有重要意义。本文综述了近年来国内外对传感器故障进行诊断的技术研究，主要内容包括硬件冗余、分析冗余、信号处理、人工神经网络方法等，简要地给出了有代表性的研究成果，并对传感器故障诊断技术的发展趋势和有待解决的问题作了一定的分析与探讨。
The research of sensor fault diagnosis technology is of great significance to improve system reliability. In this paper, the domestic and international researches on sensor fault diagnosis are reviewed in this paper. The main contents include hardware redundancy, analysis redundancy, signal processing, artificial neural network and so on. Some representative research results are given briefly. Sensor fault diagnosis technology trends and problems to be solved have made some analysis and discussion.