Engineering:Pitch drop-back: Difference between revisions
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Short description: Aerodynamic phenomena
Pitch drop-back is the phenomena by which an aircraft which is perturbed in flight path angle from its trim position by a step input exhibits an output which is indicative of a second order system.[1]
A pilot who actuates an elevator input may find that the aircraft then "droops" or "drops back" to a position further toward the start position. The phenomenon is particularly marked in tilt-rotor aircraft.[2] Pitch drop-back may be controlled using a Stability Augmentation System or Stability Control and Augmentation System.[3]
See also
- List of aviation, avionics, aerospace and aeronautical abbreviations
- Index of aviation articles
References
- ↑ "Longitudinal stability and control of large tilt-rotor aircraft". IFAC-PapersOnLine. 2008-10-17. http://www.ifac-papersonline.net/Detailed/38674.html. Retrieved 2010-10-05.
- ↑ Mark Voskuijl, Daniel J. Walker. "Active Control of Flight Path and Critical Loads in Tilt-Rotor Aircraft". Engineering Department: University of Liverpool. http://www.liv.ac.uk/~djwalker/ahs2007djw.pdf. Retrieved 5 October 2010.
- ↑ "Measuring Simulation Fidelity through an Adaptive Pilot Model". http://www.flightlab.liv.ac.uk/publications/erf_paper23_final.pdf. Retrieved 2010-10-05.
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