Rotorcraft flight control design with alleviation of unsteady rotor loads

Umberto Saetti; Joseph F. Horn; Tom Berger; Mark B. Tischler

Rotorcraft flight control design with alleviation of unsteady rotor loads

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

Aerospace Engineering

Research output: Contribution to conference › Paper › peer-review

2 Scopus citations

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 language	English (US)
State	Published - Jan 1 2019
Event	Vertical Flight Society's 75th Annual Forum and Technology Display - Philadelphia, United States Duration: May 13 2019 → May 16 2019

Conference

Conference	Vertical Flight Society's 75th Annual Forum and Technology Display
Country/Territory	United States
City	Philadelphia
Period	5/13/19 → 5/16/19

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Control and Systems Engineering

Cite this

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title = "Rotorcraft flight control design with alleviation of unsteady rotor loads",

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{\textregistered}.",

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AU - Saetti, Umberto

AU - Horn, Joseph F.

AU - Berger, Tom

AU - Tischler, Mark B.

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AB - 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®.

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M3 - Paper

T2 - Vertical Flight Society's 75th Annual Forum and Technology Display

Y2 - 13 May 2019 through 16 May 2019

ER -

Rotorcraft flight control design with alleviation of unsteady rotor loads

Abstract

Conference

All Science Journal Classification (ASJC) codes

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