Noise parameter estimation for non-singleton fuzzy logic systems

Real-world environments face a wide range of noise (uncertainty) sources and gaining insight into the level of noise is a critical part of many applications. While Non-Singleton Fuzzy Logic Systems (NSFLSs), in particular recently introduced advanced variants such as centroid-based NSFLSs have the c...

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Main Authors: Pekaslan, Direnc, Garibaldi, Jonathan M., Wagner, Christian
Format: Conference or Workshop Item
Published: 2018
Online Access:https://eprints.nottingham.ac.uk/53167/
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author Pekaslan, Direnc
Garibaldi, Jonathan M.
Wagner, Christian
author_facet Pekaslan, Direnc
Garibaldi, Jonathan M.
Wagner, Christian
author_sort Pekaslan, Direnc
building Nottingham Research Data Repository
collection Online Access
description Real-world environments face a wide range of noise (uncertainty) sources and gaining insight into the level of noise is a critical part of many applications. While Non-Singleton Fuzzy Logic Systems (NSFLSs), in particular recently introduced advanced variants such as centroid-based NSFLSs have the capacity to handle known quantities of uncertainty, thus far, the actual level of uncertainty has had to be defined a priori - i.e. prior to run time of a system or controller. This paper does not focus on such advances within the architecture of NSFLSs, but focuses on a novel two-stage approach for uncertainty handling in fuzzy logic systems which integrates: (i) estimation of noise levels and (ii) the appropriate handling of the noise based on this estimate, by means of a dynamically configured NSFLS. As initial evaluation of the approach, two chaotic nonlinear time series (Mackey-Glass and Lorenz), as well as a real-world Darwin sea level pressure series prediction fuzzy logic systems are implemented and compared to commonly used procedures. The results indicate that the proposed strategy of integrating uncertainty/noise estimation with the capacity of non-singleton fuzzy logic systems has the potential to deliver performance benefits in real-world applications without requiring a priori information on noise levels and thus delivers a first step towards smart, noise-adaptive non-singleton fuzzy logic systems and controllers.
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spelling nottingham-531672020-05-04T19:41:14Z https://eprints.nottingham.ac.uk/53167/ Noise parameter estimation for non-singleton fuzzy logic systems Pekaslan, Direnc Garibaldi, Jonathan M. Wagner, Christian Real-world environments face a wide range of noise (uncertainty) sources and gaining insight into the level of noise is a critical part of many applications. While Non-Singleton Fuzzy Logic Systems (NSFLSs), in particular recently introduced advanced variants such as centroid-based NSFLSs have the capacity to handle known quantities of uncertainty, thus far, the actual level of uncertainty has had to be defined a priori - i.e. prior to run time of a system or controller. This paper does not focus on such advances within the architecture of NSFLSs, but focuses on a novel two-stage approach for uncertainty handling in fuzzy logic systems which integrates: (i) estimation of noise levels and (ii) the appropriate handling of the noise based on this estimate, by means of a dynamically configured NSFLS. As initial evaluation of the approach, two chaotic nonlinear time series (Mackey-Glass and Lorenz), as well as a real-world Darwin sea level pressure series prediction fuzzy logic systems are implemented and compared to commonly used procedures. The results indicate that the proposed strategy of integrating uncertainty/noise estimation with the capacity of non-singleton fuzzy logic systems has the potential to deliver performance benefits in real-world applications without requiring a priori information on noise levels and thus delivers a first step towards smart, noise-adaptive non-singleton fuzzy logic systems and controllers. 2018-06-17 Conference or Workshop Item PeerReviewed Pekaslan, Direnc, Garibaldi, Jonathan M. and Wagner, Christian (2018) Noise parameter estimation for non-singleton fuzzy logic systems. In: IEEE International Conference on Systems, Man, and Cybernetics (IEEE SMC 2018), 7-10 October 2018, Miyazaki, Japan. (Submitted)
spellingShingle Pekaslan, Direnc
Garibaldi, Jonathan M.
Wagner, Christian
Noise parameter estimation for non-singleton fuzzy logic systems
title Noise parameter estimation for non-singleton fuzzy logic systems
title_full Noise parameter estimation for non-singleton fuzzy logic systems
title_fullStr Noise parameter estimation for non-singleton fuzzy logic systems
title_full_unstemmed Noise parameter estimation for non-singleton fuzzy logic systems
title_short Noise parameter estimation for non-singleton fuzzy logic systems
title_sort noise parameter estimation for non-singleton fuzzy logic systems
url https://eprints.nottingham.ac.uk/53167/