On-Board Critical Frequency Detection Firmware for Aircraft Standalone Real-Time Processing
December 22, 2016Download PDF
Getting the right information from the aircraft in real-time during flight is something that flight engineers and pilot’s want. A system that helps to minimize the effort of the flight engineer when analyzing hundreds of signals, or provides real-time information to the pilot about exceedances would provide significant benefits in flight test. To make this possible it is necessary to have a rugged data processing hardware running advanced signal processing algorithms with feature extraction in real time.
Critical Materials developed firmware for the Curtiss-Wright MAT/101 microcontroller to detect narrow band frequency harmonics using FFT techniques, generated appropriate alarms to the test pilot and pre-processed data to the flight engineer. Configurable parameters enable specification of frequency range and alarm thresholds. The system works in real-time with all the signal processing done on-board using the MAT/101 digital signal processor (DSP).
This case study discusses the challenge a Curtiss-Wright customer, a major Flight Test organisation, had where they needed to implement a compact, rugged flight test system with real-time analysis running on hardware. To learn more about the solution download the full case study here.