Faults detection and isolation method using adaptive residual generator

In this paper one will develop the faults detection and isolation method using an adaptive residual generator (with one input, two outputs and two residues), in order to emphasize the noises, disturbances and faults on the outputs L
₁
and L
₂
of the control level plant with two coupled reservoirs “Quanser Water Level Control Two Reservoir Module”. The proposed method was theoretically developed and experimentally verified and allowed detection and isolation of two faults created in a real plant and it was studied also in the paper [2], but in this case the method was implemented on the real installation control system for detection and localization of two faults created in a real plant. (ΔA
₂
). It can be observed the response of the residual generator and of the variation L
₁
and L
₂
when the faults appear.