flight control computer

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flight control computer (FCC)

flight control computer (FCC)click for a larger image
A component of automatic control systems that has inputs from aircraft flight control surfaces and engine controls and outputs to the engine-indicating-and-crew-alerting system (EICAS) and the flight management computer (FMC).
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Global defense, security and aerospace company BAE Systems yesterday announced that it will provide design, production and support of flight control computers for Embraer Legacy 450 and 500 business jets.
AG -- GPS receiver antenna, AT -- teletransmission data antenna, IMU -- inertial measurement unit, CAM -- video camera module, MM -- magnetometer, MMa -- optional magnetometer placement, N -- angular rate sensor, SC -- yaw meter (measurement of slideslip angle and angle of attack, total pressure and static pressure), FCC -- flight control computer, TP -- temperature sensor, TT -- teletransmission module, SM -- gravity center.
''These very high, random and incorrect values of the angle of attack led to the flight control computers commanding a nose-down aircraft movement, which resulted in the aircraft pitching down to a maximum of about 8.5 degrees,'' the ATSB said in a statement.
The Modernized Flight Control Computer and Modernized Spoiler Control Electronic Flap Computer will improve reliability, provide capability for increased aircraft functionality, and mitigate parts-obsolescence issues through use of commercial components.
Boeing said that since 2010 production of 737s has included software changes to the flight control computer and a cockpit voice warning pilots when airspeeds are low.
More recent platforms have featured fly-by-wire, where the pilot's inceptor provides electrical signals from transducers installed to the flight control computer, enabling aircraft control with no direct mechanical link, so reducing complexity and weight.
In a future test, a flight control computer will use precision Global Positioning System, inertial navigation systems, and tanker-datalink signals as sensor inputs in the control laws.
While troubleshooting a flight-control problem on a Hornet, Petty Officer Secules found a chafed cable for the flight control computer. After researching the problem, he found an airframe bulletin had not been done on this aircraft.
The aircraft was incapable of self-recovery; due to the erroneous AOA indications, the flight control computer did not apply anti-spin or stall recovery inputs.
Planned improvements include the development of wide chord composite spar main rotor blades, a digitised 1553 bus-based cockpit and avionics suite, an advanced flight control computer, a strengthened fuselage as well as advanced infrared suppression.
A key technology in any thrust-vectoring installation is the integration of the new post-stall flight control laws into the aircraft's flight control computer, according to a report authored by James L.