Wavelet transform-based stress-time history editing of horizontal axis wind turbine blades

P Pratumnopharat, PS Leung, RS Court - Renewable energy, 2014 - Elsevier
Full scale blade fatigue testing is required to verify that the horizontal axis wind turbine
(HAWT) blades posses the strength and service life specified in the design. Unfortunately …

Extracting fatigue damage parts from the stress–time history of horizontal axis wind turbine blades

P Pratumnopharat, PS Leung, RS Court - Renewable energy, 2013 - Elsevier
Horizontal axis wind turbine (HAWT) blades are a critical component of wind turbines. Full-
scale blade fatigue testing is required to verify that the blades possess the strength and …

Using fuzzy C-means in selecting a suitable wavelet transform for fatigue failure analyses

H Sofyan, TE Putra, A Saputra… - Journal of Mechanical …, 2024 - Springer
This study aimed to select a suitable wavelet transform for fatigue failure analyses. Strain
signals of vehicle coil spring driven on road surfaces were divided into smaller segments …

Application of Morlet wavelet in the stress-time history editing of horizontal axis wind turbine blades

P Pratumnopharat, PS Leung… - 2012 2nd International …, 2012 - ieeexplore.ieee.org
This article presents a novel method in extracting fatigue damage from the stress-time
history of the horizontal axis wind turbine blades. A novel method based on wavelet …

Application of a multi-objective approach and sequential covering algorithm to the fatigue segment classification problem

ZM Nopiah, MH Osman, S Abdullah… - Arabian Journal for …, 2014 - Springer
In this paper, a multi-objective rule discovery approach is introduced to address the problem
related to fatigue data editing. A set of rules are introduced to simplify the editing process …

[图书][B] Novel methods for fatigue data editing for horizontal axis wind turbine blades

P Pratumnopharat - 2012 - search.proquest.com
Wind turbine blades are the most critical components of wind turbines. Full-scale blade
fatigue testing is required to verify that the blades possess the strength and service life …

The identification of low fatigue damage using fuzzy double clustering framework

ZM Nopiah, MH Osman, S Abdullah… - 2011 IEEE 7th …, 2011 - ieeexplore.ieee.org
Identifying damaging or non-damaging events in long records of fatigue data is a crux of
recapitulating pristine data. In this article, a fuzzy double clustering framework (DCf) is …

Statistical optimisation techniques in fatigue signal editing problem

ZM Nopiah, MH Osman, N Baharin… - AIP Conference …, 2015 - pubs.aip.org
Success in fatigue signal editing is determined by the level of length reduction without
compromising statistical constraints. A great reduction rate can be achieved by removing …

Application of the wavelet transforms for compressing lower suspension arm strain data

TE Putra, S Abdullah, D Schramm… - Applied Mechanics …, 2014 - Trans Tech Publ
This paper presents the ability of the wavelet transforms for compressing automobile strain
data. The wavelet transforms identified and extracted higher amplitude segments and …

The Application of R Software as a Statistical Tool for Mechanical Data Clustering

A Saputra, H Sofyan, TE Putra - … of the 2nd International Conference on …, 2021 - Springer
The purpose of this research is to implement R software in developing a correlation between
wavelet coefficient and fatigue life utilizing Fuzzy C-Means. The fatigue-based strain data …