Piloted Simulator Evaluation Results of New Fault-Tolerant Flight Control Algorithm

摘要

A high-fidelity aircraft simulation model, reconstructed using the digital flight data recorder of the 1992nAmsterdam Bijlmermeer aircraft accident (flight 1862), has been used to evaluate a new fault-tolerant flight controlnalgorithm in an online piloted evaluation. This paper focuses on the piloted simulator evaluation results.nReconfiguring control is implemented by making use of adaptive nonlinear dynamic inversion for manual fly-bywirencontrol. After discussing the modular adaptive controller setup, the experiment is described for a pilotednsimulator evaluation of this innovative reconfigurable control algorithm applied to a damaged civil transportnaircraft. The evaluation scenario, measurements, and experimental design, as well as the real-time implementationnare described. Finally, reconfiguration test results are shown for damaged aircraft models including component asnwell as structural failures. The evaluation shows that the fault-tolerant flight control algorithm is able to restorenconventional control strategies after the aircraft configuration has changed dramatically due to these severe failures.nThe algorithm supports the pilot after a failure by lowering workload and allowing a safe return to the airport. Fornmost failures, the handling qualities are shown to degrade less with a failure than the baseline classical control systemndoes.