摘要
为了实现传感器故障隔离 ,传统方法针对不同故障独立选取最优一致向量。指出为了正确实现故障隔离 ,对不同故障选取的最优一致向量应是相互关联的 ,并由此提出一种改进的指标函数以获得最优一致向量。基于梯度法得到最优一致向量的数值解。
Traditional methods select optimal parity vectors for different faults independently to realize sensor fault isolation.It is pointed out that the optimal parity vectors selected for different faults have relations with each other in order to realize fault isolation.An improved index function is presented to obtain the optimal parity vectors.The numerical solution of optimal parity vectors is obtained by gradient method.Through simulation experiments,it is shown that the method can realize fault isolation in sensor redundancy systems correctly.
出处
《传感器技术》
CSCD
北大核心
2002年第4期53-56,共4页
Journal of Transducer Technology
关键词
传感器故障隔离
最优一致向量选取
fault isolation
sensor
parity vector
direct redundancy
index function
gradient method
