At the 2012 SAE World Congress, researchers from IAV will present their proposal for an input-output feedback linearization strategy to cope with a nonlinear system subject to input constraints.
Sagem, part of the Safran Group, will be supplying its Sigma 40XP inertial navigation system to the French navy as part of an effort to modernize France’s SNA-class nuclear attack submarines. The Saphir was already fitted with one of the systems and its effectiveness was demonstrated during operational trials at sea.
Pratt & Whitney has finished ground and flight testing of the PurePower PW1000G demonstrator engine, which successfully completed all test objectives. The final phase of testing was done jointly with Airbus on an A340-600 flight-test aircraft and included 27 flights and more than 75 hours of flight testing.
NASA has expanded its use of Exa's PowerFLOW software for the simulation of concepts to reduce aircraft noise within NASA's Environmentally Responsible Aviation project.
Aerojet Rocketdyne recently completed a series of hot-fire tests of additive manufactured components for its AR1 booster engine at its Sacramento test facility.