Dynamic replanning of low noise rotorcraft operations

Research output: Contribution to conferencePaper

Abstract

A new method for rapidly planning and dynamically replanning low noise rotorcraft flight operations has been developed and is discussed. A large database of rotorcraft maneuver segments is generated, and an acoustic cost is assigned to each segment by using a computationally efficient semiempirical rotorcraft noise modeling method that accurately models the changes in rotor noise caused by maneuvering flight. Combinatoric optimization techniques are then employed to combine these maneuver segments into a low noise optimal flight path. A simple heuristic for estimating the total acoustic cost required to reach the target location is developed and incorporated into the search algorithm, allowing the computation of low noise paths in seconds. A procedure for implementing an “anytime” version of the method is described, enabling feasible solutions to be dynamically replanned “on the fly”—i.e., in fractions of a second—and refined over time to a low noise optimal solution.

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

Acoustics
Flight paths
Costs
Rotors
Planning

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Control and Systems Engineering

Cite this

Greenwood, E. (2019). Dynamic replanning of low noise rotorcraft operations. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.
Greenwood, Eric. / Dynamic replanning of low noise rotorcraft operations. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.
@conference{32aefdf0e55646c0b2cfe656f5691021,
title = "Dynamic replanning of low noise rotorcraft operations",
abstract = "A new method for rapidly planning and dynamically replanning low noise rotorcraft flight operations has been developed and is discussed. A large database of rotorcraft maneuver segments is generated, and an acoustic cost is assigned to each segment by using a computationally efficient semiempirical rotorcraft noise modeling method that accurately models the changes in rotor noise caused by maneuvering flight. Combinatoric optimization techniques are then employed to combine these maneuver segments into a low noise optimal flight path. A simple heuristic for estimating the total acoustic cost required to reach the target location is developed and incorporated into the search algorithm, allowing the computation of low noise paths in seconds. A procedure for implementing an “anytime” version of the method is described, enabling feasible solutions to be dynamically replanned “on the fly”—i.e., in fractions of a second—and refined over time to a low noise optimal solution.",
author = "Eric Greenwood",
year = "2019",
month = "1",
day = "1",
language = "English (US)",
note = "Vertical Flight Society's 75th Annual Forum and Technology Display ; Conference date: 13-05-2019 Through 16-05-2019",

}

Greenwood, E 2019, 'Dynamic replanning of low noise rotorcraft operations' Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States, 5/13/19 - 5/16/19, .

Dynamic replanning of low noise rotorcraft operations. / Greenwood, Eric.

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

Research output: Contribution to conferencePaper

TY - CONF

T1 - Dynamic replanning of low noise rotorcraft operations

AU - Greenwood, Eric

PY - 2019/1/1

Y1 - 2019/1/1

N2 - A new method for rapidly planning and dynamically replanning low noise rotorcraft flight operations has been developed and is discussed. A large database of rotorcraft maneuver segments is generated, and an acoustic cost is assigned to each segment by using a computationally efficient semiempirical rotorcraft noise modeling method that accurately models the changes in rotor noise caused by maneuvering flight. Combinatoric optimization techniques are then employed to combine these maneuver segments into a low noise optimal flight path. A simple heuristic for estimating the total acoustic cost required to reach the target location is developed and incorporated into the search algorithm, allowing the computation of low noise paths in seconds. A procedure for implementing an “anytime” version of the method is described, enabling feasible solutions to be dynamically replanned “on the fly”—i.e., in fractions of a second—and refined over time to a low noise optimal solution.

AB - A new method for rapidly planning and dynamically replanning low noise rotorcraft flight operations has been developed and is discussed. A large database of rotorcraft maneuver segments is generated, and an acoustic cost is assigned to each segment by using a computationally efficient semiempirical rotorcraft noise modeling method that accurately models the changes in rotor noise caused by maneuvering flight. Combinatoric optimization techniques are then employed to combine these maneuver segments into a low noise optimal flight path. A simple heuristic for estimating the total acoustic cost required to reach the target location is developed and incorporated into the search algorithm, allowing the computation of low noise paths in seconds. A procedure for implementing an “anytime” version of the method is described, enabling feasible solutions to be dynamically replanned “on the fly”—i.e., in fractions of a second—and refined over time to a low noise optimal solution.

UR - http://www.scopus.com/inward/record.url?scp=85069432208&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85069432208&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:85069432208

ER -

Greenwood E. Dynamic replanning of low noise rotorcraft operations. 2019. Paper presented at Vertical Flight Society's 75th Annual Forum and Technology Display, Philadelphia, United States.