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Identification of Helicopter Dynamics based on Flight Data using Nature Inspired Techniques

Identification of Helicopter Dynamics based on Flight Data using Nature Inspired Techniques

S. N. Omkar, Dheevatsa Mudigere, J. Senthilnath, M. Vijaya Kumar
Copyright: © 2020 |Pages: 17
ISBN13: 9781799804147|ISBN10: 1799804143|EISBN13: 9781799804154
DOI: 10.4018/978-1-7998-0414-7.ch016
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MLA

Omkar, S. N., et al. "Identification of Helicopter Dynamics based on Flight Data using Nature Inspired Techniques." Deep Learning and Neural Networks: Concepts, Methodologies, Tools, and Applications, edited by Information Resources Management Association, IGI Global, 2020, pp. 257-273. https://doi.org/10.4018/978-1-7998-0414-7.ch016

APA

Omkar, S. N., Mudigere, D., Senthilnath, J., & Kumar, M. V. (2020). Identification of Helicopter Dynamics based on Flight Data using Nature Inspired Techniques. In I. Management Association (Ed.), Deep Learning and Neural Networks: Concepts, Methodologies, Tools, and Applications (pp. 257-273). IGI Global. https://doi.org/10.4018/978-1-7998-0414-7.ch016

Chicago

Omkar, S. N., et al. "Identification of Helicopter Dynamics based on Flight Data using Nature Inspired Techniques." In Deep Learning and Neural Networks: Concepts, Methodologies, Tools, and Applications, edited by Information Resources Management Association, 257-273. Hershey, PA: IGI Global, 2020. https://doi.org/10.4018/978-1-7998-0414-7.ch016

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Abstract

The complexity of helicopter flight dynamics makes modeling and helicopter system identification a very difficult task. Most of the traditional techniques require a model structure to be defined a priori and in case of helicopter dynamics, this is difficult due to its complexity and the interplay between various subsystems. To overcome this difficulty, non-parametric approaches are commonly adopted for helicopter system identification. Artificial Neural Network are a widely used class of algorithms for non-parametric system identification, among them, the Nonlinear Auto Regressive eXogeneous input network (NARX) model is very popular, but it also necessitates some in-depth knowledge regarding the system being modelled. There have been many approaches proposed to circumvent this and yet still retain the advantageous characteristics. In this paper, the authors carry out an extensive study of one such newly proposed approach - using a modified NARX model with a II-tiered, externally driven recurrent neural network architecture. This is coupled with an outer optimization routine for evolving the order of the system. This generic architecture is comprehensively explored to ascertain its usability and critically asses its potential. Different implementations of this architecture, based on nature inspired techniques, namely, Artificial Bee Colony (ABC), Artificial Immune System (AIS) and Particle Swarm Optimization (PSO) are evaluated and critically compared in this paper. Simulations have been carried out for identifying the longitudinally uncoupled dynamics. Results of identification indicate a quite close correlation between the actual and the predicted response of the helicopter for all the models.

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