Abstract:A high fidelity aircraft simulation model, reconstructed using the Digital Flight Data Recorder (DFDR) of the 1992 Amsterdam Bijlmermeer aircraft accident (Flight 1862), has been used to evaluate a new Fault-Tolerant Flight Control Algorithm in an online piloted evaluation. This paper focuses on the piloted simulator evaluation results. Reconfiguring control is implemented by making use of Adaptive Nonlinear Dynamic Inversion (ANDI) for manual fly by wire control. After discussing the modular adaptive controll… Show more
“…The fast reaction of the pilot to the unexpected movements caused by an unknown, sudden change in dynamic behavior of the aircraft in combination with the immediate online adaptation may lead to unexpected results. Pilots may need to learn to thrust the adaptive element in the flight control system, as was already observed in an earlier study involving a damaged large passenger aircraft .…”
“…NDI with NN was also used on the F-15 ACTIVE ( Figure 1.4(b)) under the intelligent flight control system program of the NASA [21,22]. A Boeing 747 fitted with a NDI controller combined with RLS for the online model identification was successfully tested in a moving base simulator [131,132,133]. In recent years adaptive backstepping flight control in combination with some form of neural networks has become a popular research subject, see e.g.…”
“…Edwards et al , which enables the results in this paper to be compared to the results presented in [4,5]. It should be noted that the altitude tracking control task would be switched into flight path angle command tracking mode at the 650 th second in order to mimic a landing process with fixed gliding slope (i.e.γ = −3 deg).…”
Section: B Overall Autopilot Flight Control Systemmentioning
“…In order to make the angular controller have a high level performance, the NDI control law from  is utilized to design an angular controller for the Boeing 747-200 aircraft. The reference commands for the inner rate loop are derived from the angular control loop as follows:…”
Section: Attitude Controller and Preliminaries On Rate Controlmentioning
“…More recently, the work of Lombaerts et al , as a part of the GARTEUR FM-AG 16 program, has provided practical validation results of a piloted adaptive nonlinear dynamic inversion (ANDI) controller on the Simulation, Motion, and Navigation (SIMONA) research simulator (SRS). The kernel of this work is a two-step online identification approach aiming at getting the physical model.…”
Recently, an incremental type sensor based backstepping (SBB) control approach, based on singular perturbation theory and Tikhonov's theorem, has been proposed. This Lyapunov function based method uses measurements of control variables and less model knowledge, and it is not susceptible to the model uncertainty caused by fault scenarios. In this paper, the SBB method has been implemented on a fixed wing aircraft with its focus on handling structural changes caused by damages.
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