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This paper describes the development and evaluation of sliding mode schemes to handle actuator and sensor faults for the RECONFIGURE benchmark problem. For the actuator fault problem, a linear parameter varying (LPV) sliding mode control allocation scheme has been developed. The scheme is retro-fitted to the existing baseline controller. When faults/failures are present in an elevator, the LPV sliding...
This paper describes the application of a linear parameter-varying integral sliding mode control allocation scheme to the RECONFIGURE benchmark model to deal with an elevator failure/fault scenario. The proposed scheme has the capability to maintain the closed-loop nominal load factor control performance in the face of elevator failures/faults, by effectively redistributing a retro-fitted signal to...
This paper presents the results from a novel FTC scheme designed for one of the RECONFIGURE benchmark problems. The scheme retro-fits an integral sliding mode control allocation scheme to the existing controller to achieve robustness and tolerance against faults/failures, in order to maintain nominal load factor tracking performance as well as the angle of attack protection. The scheme takes into...
This paper introduces a new fault tolerant control scheme for linear parameter varying (LPV) plants incorporating ideas of integral sliding modes and control allocation. The inherent robustness properties of integral sliding modes are used in combination with the control allocation scheme to cope with a certain class of actuator faults/failures. The scheme automatically redistributes the required...
This paper presents a nonlinear fault tolerant scheme for longitudinal control of an aircraft. The proposed approach uses an integral sliding mode control allocation scheme which can be built around any existing controller. In nominal fault free conditions, only the baseline controller and the primary control surface associated with it will be active. When faults/failures occur in the control surfaces,...
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