Rotorcraft flight control design with alleviation of unsteady rotor loads

Umberto Saetti, Joseph Francis Horn, Tom Berger, Mark B. Tischler

Research output: Contribution to conferencePaper

Abstract

The objective of this paper is to develop helicopter flight control laws that minimize unsteady rotor loads while meeting desired handling qualities. These control laws are meant to act solely through the primary flight controls. First, an overview on how the harmonic decomposition methodology is used towards load alleviation control is presented. Next, explicit model following flight control laws are developed to provide insight on how the feed-forward and feedback paths can be used towards load alleviation. Their impact on the handling qualities is also studied. Finally, the control laws are optimized with CONDUIT®.

Original languageEnglish (US)
StatePublished - Jan 1 2019
EventVertical Flight Society's 75th Annual Forum and Technology Display - Philadelphia, United States
Duration: May 13 2019May 16 2019

Conference

ConferenceVertical Flight Society's 75th Annual Forum and Technology Display
CountryUnited States
CityPhiladelphia
Period5/13/195/16/19

Fingerprint

Rotors
Helicopters
Decomposition
Feedback

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Control and Systems Engineering

Cite this

Saetti, U., Horn, J. F., Berger, T., & Tischler, M. B. (2019). Rotorcraft flight control design with alleviation of unsteady rotor loads. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.
Saetti, Umberto ; Horn, Joseph Francis ; Berger, Tom ; Tischler, Mark B. / Rotorcraft flight control design with alleviation of unsteady rotor loads. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.
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Saetti, U, Horn, JF, Berger, T & Tischler, MB 2019, 'Rotorcraft flight control design with alleviation of unsteady rotor loads' Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States, 5/13/19 - 5/16/19, .

Rotorcraft flight control design with alleviation of unsteady rotor loads. / Saetti, Umberto; Horn, Joseph Francis; Berger, Tom; Tischler, Mark B.

2019. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.

Research output: Contribution to conferencePaper

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AU - Horn, Joseph Francis

AU - Berger, Tom

AU - Tischler, Mark B.

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M3 - Paper

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Saetti U, Horn JF, Berger T, Tischler MB. Rotorcraft flight control design with alleviation of unsteady rotor loads. 2019. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.