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Title: Subspace-based System Identification for Helicopter Dynamic Modelling.
Authors: Li, Ping
Postlethwaite, Ian
Turner, Matthew C.
First Published: May-2007
Publisher: American Helicopter Society.
Abstract: This paper investigates the problem of helicopter dynamic modelling using time-domain system identification techniques. The paper begins with a brief introduction to the state-space form of the perturbation model for helicopters, based on which, system identification modelling is performed. Then the MOESP (Multivariable Output-Error State sPace) subspace identification method is described. Computer simulations are carried out to illustrate the operation and performance of the method using concatenated data sets. The method is then applied to real data from EH101 helicopter flight tests and some preliminary results of identifying an extended dynamic model about the cruise condition are presented.
Type: Conference paper
Description: This paper was presented at the American Helicopter Society 63rd Annual Forum, Virginia Beach, VA, May 1-3, 2007.
Appears in Collections:Conference Papers & Presentations, Dept. of Engineering

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