Flight Parameter Estimation for Augmented Flight Control System Autonomy

Paper #:
  • 2011-01-2801

Published:
  • 2011-10-18
Citation:
Cazes, F., Mailhes, C., Chabert, M., Goupil, P. et al., "Flight Parameter Estimation for Augmented Flight Control System Autonomy," SAE Technical Paper 2011-01-2801, 2011, https://doi.org/10.4271/2011-01-2801.
Pages:
12
Abstract:
In the framework of the aircraft global optimization, for future and upcoming programs, current research interests include more Electrical Flight Control System (EFCS) autonomy for a more easy-to-handle aircraft. A possible solution is to increase the number of redundant flight parameter sensors but to the detriment of the aircraft weight and so to the cost and performances. This paper proposes an algorithm using PLS (Partial Least Squares) to estimate a flight parameter from independent sensor measurements. The estimates are then used as so-called “software” or “virtual” sensors, allowing aircraft weight saving. This algorithm is based on an iterative processing and thus can be used in real time in the embedded flight control computer. Furthermore, the resulting flight parameter estimates can be used to detect failures. Different detection strategies are proposed and results show that this method can lead to robust detections.
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