Maryland's Defense Patent Database

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Calibration and synchronization of micro air vehicle autopilots

Patent image
CCDC ARL

A system, method, and apparatus to train autopilots to fly a simulated aeronautical vehicle includes a three-degree of freedom gimbaled platform comprising a pitch, roll, and yaw axis; an autopilot comprising an inertial measurement unit mounted to the platform; motors that rotate the platform along the pitch, roll, and yaw axes; shaft encoders connected to the motors to calculate an angular position of the platform; motor drivers connected to the motors to power the motors; a microcontroller connected to the motor drivers; a quadrature encoder connected to the shaft encoders and the microcontroller; sensors that generate and sense environmental conditions affecting the platform and the autopilot; a flight simulator connected to the microcontroller; and a computer that executes the flight simulator causing actuation of the platform, causing the sensors to generate environmental conditions, and causing the autopilot to react to the environmental conditions.

Inventors: 
Shumaker, Justin Lee; Ali, Kamal Sharaf
Patent Number: 
Technical domain: 
Control Systems
FIle Date: 
2010-10-18
Grant Date: 
2013-10-22
Grant time: 
1,100 days
Grant time percentile rank: 
20
Claim count percentile rank: 
6
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US ARMY