RPT - Aerodynamic Decelerator Systems Center
The goal of this project was to develop a fleet of unmanned aerial systems (UAS) carrying a variety of sensors enabling persistent surveillance of different test activities from the air. Four different-size UAS were considered as a remotely piloted testbed (RPT) to support the aforementioned mission. Figure A shows these platforms and Table A provides their basic characteristics.
Figure A. Fleet of different-size UAS used during RPT development
|Rascal 110||Cub 50||P10B||MATRICS|
|Wing span, m||2.8||5.74||6.48||12.65|
|Max speed, m/s (kn)||30 (58)||31 (61)||40 (78)||72 (140)|
|Cruise speed, m/s (kn)||25 (49)||25 (49)||31 (61)||51 (100)|
|Max gross takeoff weight, kg (lb)||9 (20)||60 (132)||114 (241)||670 (1477)|
|Payload capacity, kg (lb)||4 (9)||23 (50)||39 (85)||193 (425)|
The development of RPT included UAS modeling and integration with a Piccolo II autopilot. For each platform the modeling process started from describing aircraft geometry (Fig.B) and evaluating its inertial properties (Fig.C).
Figure B. Modeling geometry of P10B (a) and Cub-50 (b) UAS.
Figure C. Experimental determination of the moments of inertia.