A fault tolerant control allocation scheme with output integral sliding modes

作者：Hamayun M T^*; Edwards C; Alwi H

来源：Automatica, 2013, 49(6): 1830-1837.

DOI：10.1016/j.automatica.2013.02.043

• Fault tolerant control (FTC)
• Integral sliding mode (ISM) control
• Linear matrix inequalities (LMI)

In this paper a new fault tolerant control scheme is proposed, where only measured system outputs are assumed to be available. The scheme ensures closed-loop stability throughout the entire closed-loop response of the system even in the presence of certain actuator faults/failures. This is accomplished by incorporating ideas of integral sliding modes, unknown input observers and a fixed control allocation scheme. A rigorous closed-loop stability analysis is undertaken, and in fact a convex representation of the problem is created in order to synthesize the controller and observer gains. The efficacy of the proposed scheme is tested by applying it to a benchmark civil aircraft model.

• 出版日期2013-6