The method of the fault diagnostic for sensors in measurement and control system is given,including Kalman filter and WSSR,and using turn-round detecting technology to detect the faul of the channels.

• 给出用于测控系统的故障诊断的方法,其中包括用卡尔曼滤波和残差加权平方和方法诊断测控系统中传感器的软/硬故障,用绕回检测技术检测测控系统中的量测通道的故障。