Robust Adaptive Fault-Tolerant Control of Stochastic Systems with Modeling Uncertainties and Actuator Failures

Table 1

Representations of typical actuator failures.

Type of actuator failures	𝛿𝑖(𝑡)	𝜅(𝑡)
Healthy actuator	1	0
Loss of effectiveness only	0<𝛿𝑖(𝑡)≤1	0
Loss of effectiveness and partially out of control	0<𝛿𝑖(𝑡)≤1	Time-varying
Loss of effectiveness and partially jammed	0<𝛿𝑖(𝑡)≤1	Constant