2004
DOI: 10.2172/918211
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Estimation of fatigue and extreme load distributions from limited data with application to wind energy systems.

Abstract: An estimate of the distribution of fatigue ranges or extreme loads for wind turbines may be obtained by separating the problem into two uncoupled parts, (1) a turbine specific portion, independent of the site and (2) a site-specific description of environmental variables. We consider contextually appropriate probability models to describe the turbine specific response for extreme loads or fatigue. The site-specific portion is described by a joint probability distribution of a vector of environmental variables,… Show more

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Cited by 8 publications
(4 citation statements)
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“…The number of counts in the lowest amplitude bin in Fig. A significant amount of work has been devoted to the issue of fitting distributions to fatigue data (Veers and Winterstein, 1998;Thomsen, 1998;Manuel et al, 2001;Fitzwater, 2002;Moriarty, et al, 2002). The smallest amplitude cycles do not produce any appreciable damage and could be just as well ignored.…”
Section: Short-term Load Distributionmentioning
confidence: 99%
“…The number of counts in the lowest amplitude bin in Fig. A significant amount of work has been devoted to the issue of fitting distributions to fatigue data (Veers and Winterstein, 1998;Thomsen, 1998;Manuel et al, 2001;Fitzwater, 2002;Moriarty, et al, 2002). The smallest amplitude cycles do not produce any appreciable damage and could be just as well ignored.…”
Section: Short-term Load Distributionmentioning
confidence: 99%
“…As far as we know, calculating the extreme loads according to the IEC [1] or GL [2] standard is extremely time consuming. Over the last decade, most researchers extrapolated the extreme loads by means of statistical methods which suppose that the distribution of extreme loads at different wind speed meet some statistical models [3][4][5][6][7][8][9][10][11][12][13][14][15]. Generally, it is reasonable to estimate the extreme loads that occur or a long duration based on the measured or simulated data gathered over a short period.…”
Section: Introductionmentioning
confidence: 99%
“…More recent work on wind turbines has focused on the prediction of actual loading curves, e.g., in the study of Manuel and Veers , limited to a wind speed range between 15 and 19 m/s. Fitzwater has studied fatigue and extreme loading for both operational and parked conditions by fitting quadratic Weibull models. Dong et al , used both two‐parameter Weibull and generalized Gamma functions for modeling long‐term fatigue damage.…”
Section: Introductionmentioning
confidence: 99%