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Glauert augmentation of rotor inflow dynamics

Bradley, R., Black, C.G., and Murray-Smith, D.J. (1989) Glauert augmentation of rotor inflow dynamics. In: 15th European Rotorcraft Forum, 12-15 September 1989, Amsterdam, The Netherlands.

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Abstract

The demands of modern agile rotorcraft necessitate the use of high-bandwidth control and actuation systems. The modes currently used for simulation and flight control system design must therefore be extended to cover the range of frequencies which encompass the rotor dynamic, including the dynamics of induced flow. The basic models of inflow using local momentum theory and simple vortices have been examined over a range of frequencies using parameter identification techniques and have been found to be inadequate. This paper presents a model inclorporating a Glauert type of augmentation and uses flight data to justify its validity.

Item Type:Conference Proceedings
Keywords:helicopter, rotor inflow dynamics, simulation, system identification, Glauert augmentation, frequency domain
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Murray-Smith, Prof David
Authors: Bradley, R., Black, C.G., and Murray-Smith, D.J.
Subjects:Q Science > QA Mathematics > QA76 Computer software
T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TL Motor vehicles. Aeronautics. Astronautics
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy

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