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Fly by wire show

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Overall view of Fly by wire system and it's future role in aviation.

Published in: Engineering
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Fly by wire show

  1. 1. FLY BY WIRE PRESENTED BY ASWIN MK Roll No : 28
  2. 2. CONTENTS • Introduction • What is Fly By Wire and how does it work?. • Why do we need FBW?. • Disadvantages • Where do we use it?. • Future Developments • Conclusion • Reference
  3. 3. INTRODUCTION  Introduced By NASA in the1970’s.  FBW was first developed for military aviation and later came in to civil aviation.  Initially FBW was analogue and later developed in to Digital(DFBW).  The supersonic Concorde was the first civil aircraft to have an analogue Fly By Wire system.
  4. 4. Eurofighter Typhoon (Digital FBW) Concorde (Analog FBW)
  5. 5. What is FBW?.  It is a flight control system in which the control actions are transmitted by wire.  The control parameters are carefully developed and validated in order to produce maximum operational effect without compromising safety and reliability.  This technology is designed to overcome the limitations of the existing mechanical and hydro-mechanical flight control system.
  6. 6. How does it work?.  The concept uses a highly reliable computer and electronic flight control system, rather than the conventional mechanical or hydraulic-based systems, to stabilize and maneuver an aircraft.  The computers “read” position and force inputs from the pilot’s controls and aircraft sensors.  Computers solve differential equations to determine the appropriate command signals that move the Control surfaces to carry out the intentions of the pilot.
  7. 7. Control Surfaces In A Modern Aircraft
  8. 8. Why do we need it?.  Flight envelope protection.  Increase in stability and handling qualities( Possibility of flying unstable machines).  Turbulence suppression and consequent decrease in fatigue loads (increased passenger comfort).  Weight and maintenance and overall cost reduction.  Reduction in pilot training cost(easier to fly and easier to integrate autopilot facility ).
  9. 9. Disadvantages  There is no Manual Override if there is a malfunction of the computer.  There is no mechanical feedback to the pilot. The impacts of these disadvantages is minimal because A. Computer systems used in FBW has proved highly reliable and safe operation. B. Manufacturers have developed springs and linkages which are computer controlled and give the pilots the same feel as a conventional aircraft.
  10. 10.  NASA Space shuttle  Used in civil aircrafts like Boeing 777 and Airbus A320, Airbus A380 etc.  UAV’s and Stealth Helicopter (Comanche)  Used in the military for Advanced Fifth Generation Fighters(F22-Raptor) and Bombers(B2). Where do we use it?.
  11. 11. MORDERN AIRCRAFT USING THE DIGITAL FLY BY WIRE TECHNOLOGY
  12. 12. Future developments Two new developments in the FBW will be  Fly By Wireless and  Fly By Optics There are many derivatives of this technology in the automobile sector  Steer By Wire(NISSAN)  Brake By Wire(BREMBO-F1)  Drive By Wire
  13. 13. Conclusion Fly By Wire is an extremely safe and reliable technology which can be embraced. It is one of the greatest breakthrough in the aviation history. It has good scope of improvement over the coming years and is definitely worth investing.
  14. 14. Reference Websites  www.ieeecss.org  www.wikipedia.org  www.nasa.gov  www.airbus.com Books  David F.Anderson & Scott Eberhardt - Understanding Flight
  15. 15. THANK YOU

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