State-feedback control of longitudinal combustion instabilities

Vigor Yang, Alok Sinha, Youn Tih Fung

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Active control of longitudinal pressure oscillations in combustion chambers has been studied theoretically by means of a digital state-feedback control technique. The formulation is based on a generalized wave equation that accommodates all influences of combustion, mean flow, unsteady motions, and control actions. Following a procedure equivalent to the Galerkin method, a system of ordinary differential equations governing the amplitude of each oscillatory mode is derived for the controller design. The control actions are provided by a finite number of point actuators, with instantaneous chamber conditions monitored by multiple sensors. Several important control aspects, including sampling period, locations of sensors and actuators, controllability, and observability, have been investigated systematically. As a specific example, the case involving two controlled and two residual (uncontrolled) modes is studied.

Original languageEnglish (US)
Pages (from-to)66-73
Number of pages8
JournalJournal of Propulsion and Power
Volume8
Issue number1
DOIs
StatePublished - Jan 1 1992

Fingerprint

combustion stability
State feedback
feedback control
Feedback control
combustion
sensor
Galerkin method
active control
unsteady flow
wave equation
actuators
pressure oscillations
Actuators
sensors
oscillation
controllability
combustion chambers
wave equations
controllers
Sensors

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Fuel Technology
  • Mechanical Engineering
  • Space and Planetary Science

Cite this

Yang, Vigor ; Sinha, Alok ; Fung, Youn Tih. / State-feedback control of longitudinal combustion instabilities. In: Journal of Propulsion and Power. 1992 ; Vol. 8, No. 1. pp. 66-73.
@article{e649ba92569b4965af0df6a4353d827f,
title = "State-feedback control of longitudinal combustion instabilities",
abstract = "Active control of longitudinal pressure oscillations in combustion chambers has been studied theoretically by means of a digital state-feedback control technique. The formulation is based on a generalized wave equation that accommodates all influences of combustion, mean flow, unsteady motions, and control actions. Following a procedure equivalent to the Galerkin method, a system of ordinary differential equations governing the amplitude of each oscillatory mode is derived for the controller design. The control actions are provided by a finite number of point actuators, with instantaneous chamber conditions monitored by multiple sensors. Several important control aspects, including sampling period, locations of sensors and actuators, controllability, and observability, have been investigated systematically. As a specific example, the case involving two controlled and two residual (uncontrolled) modes is studied.",
author = "Vigor Yang and Alok Sinha and Fung, {Youn Tih}",
year = "1992",
month = "1",
day = "1",
doi = "10.2514/3.23443",
language = "English (US)",
volume = "8",
pages = "66--73",
journal = "Journal of Propulsion and Power",
issn = "0748-4658",
publisher = "American Institute of Aeronautics and Astronautics Inc. (AIAA)",
number = "1",

}

State-feedback control of longitudinal combustion instabilities. / Yang, Vigor; Sinha, Alok; Fung, Youn Tih.

In: Journal of Propulsion and Power, Vol. 8, No. 1, 01.01.1992, p. 66-73.

Research output: Contribution to journalArticle

TY - JOUR

T1 - State-feedback control of longitudinal combustion instabilities

AU - Yang, Vigor

AU - Sinha, Alok

AU - Fung, Youn Tih

PY - 1992/1/1

Y1 - 1992/1/1

N2 - Active control of longitudinal pressure oscillations in combustion chambers has been studied theoretically by means of a digital state-feedback control technique. The formulation is based on a generalized wave equation that accommodates all influences of combustion, mean flow, unsteady motions, and control actions. Following a procedure equivalent to the Galerkin method, a system of ordinary differential equations governing the amplitude of each oscillatory mode is derived for the controller design. The control actions are provided by a finite number of point actuators, with instantaneous chamber conditions monitored by multiple sensors. Several important control aspects, including sampling period, locations of sensors and actuators, controllability, and observability, have been investigated systematically. As a specific example, the case involving two controlled and two residual (uncontrolled) modes is studied.

AB - Active control of longitudinal pressure oscillations in combustion chambers has been studied theoretically by means of a digital state-feedback control technique. The formulation is based on a generalized wave equation that accommodates all influences of combustion, mean flow, unsteady motions, and control actions. Following a procedure equivalent to the Galerkin method, a system of ordinary differential equations governing the amplitude of each oscillatory mode is derived for the controller design. The control actions are provided by a finite number of point actuators, with instantaneous chamber conditions monitored by multiple sensors. Several important control aspects, including sampling period, locations of sensors and actuators, controllability, and observability, have been investigated systematically. As a specific example, the case involving two controlled and two residual (uncontrolled) modes is studied.

UR - http://www.scopus.com/inward/record.url?scp=0026765752&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0026765752&partnerID=8YFLogxK

U2 - 10.2514/3.23443

DO - 10.2514/3.23443

M3 - Article

VL - 8

SP - 66

EP - 73

JO - Journal of Propulsion and Power

JF - Journal of Propulsion and Power

SN - 0748-4658

IS - 1

ER -