Remaining Useful Lifetime Prognosis of Controlled Systems: A Case of Stochastically Deteriorating Actuator

Figure 6

A trajectory of the water tank level control system until failure of actuator: (a) set-point, (b) water level of tank 1, (c) water level of tank 2, and (d) actuator capacity.

(a)

(b)

(c)

(d)