PTVC-M for Ultra-Agile VTOL and 300 km·h-1 CruisingReport as inadecuate

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There remains a need to develop improved VTOL techniques that are cost-effective and with minimumcompromise on cruising flight performance for fixed-wing aircraft. This work proposes anelegant VTOL control method known as PTVC-M pitch-axis thrust vector control with momentarms for tailsitters. The hallmark of the approach is the complete elimination of control surfacessuch as elevators and rudder. Computer simulations with a 1580 mm wing span airplane revealthat the proposed technique results in authoritative control and unique maneuverability such asinverted vertical hover and stall-spin with positive climb rate. Zero-surface requirement of thePTVC-M virtually eliminates performance tradeoffs between VTOL and high-speed flight. In thisproof-of-concept study, the VTOL-capable aircraft achieves a VH of 360 km·h-1 at near sea-level.The proposed technique will benefit a broad range of applications including high-performancespinsonde that can directly measure 10-m surface wind, tropical cyclone research, and possiblyserving as the cornerstone for the next-generation sport aerobatics.


Pitch-Axis Thrust Vector Control, VTOL, Tailsitter, Ultra-Maneuverability

Cite this paper

Poh, C.-K. and Poh, C.-H. 2016 PTVC-M for Ultra-Agile VTOL and 300+ km·h-1 Cruising. Advances in Aerospace Science and Technology, 1, 48-57.

Author: Chung-Kiak Poh, Chung-How Poh



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