Advances in Aerospace Science and Technology

Volume 1, Issue 1 (June 2016)

ISSN Print: 2473-6708   ISSN Online: 2473-6724

Google-based Impact Factor: 0.31  Citations  

PTVC-M for Ultra-Agile VTOL and 300+ km·h-1 Cruising

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DOI: 10.4236/aast.2016.11005    2,104 Downloads   2,942 Views  Citations

ABSTRACT

There remains a need to develop improved VTOL techniques that are cost-effective and with minimum compromise on cruising flight performance for fixed-wing aircraft. This work proposes an elegant VTOL control method known as PTVC-M (pitch-axis thrust vector control with moment arms) for tailsitters. The hallmark of the approach is the complete elimination of control surfaces such as elevators and rudder. Computer simulations with a 1580 mm wing span airplane reveal that the proposed technique results in authoritative control and unique maneuverability such as inverted vertical hover and stall-spin with positive climb rate. Zero-surface requirement of the PTVC-M virtually eliminates performance tradeoffs between VTOL and high-speed flight. In this proof-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-performance spinsonde that can directly measure 10-m surface wind, tropical cyclone research, and possibly serving as the cornerstone for the next-generation sport aerobatics.

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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.

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