000004579 001__ 4579
000004579 005__ 20141118192708.0
000004579 0177_ $$2doi$$a10.3850/978-981-07-2219-7_P366

000004579 0247_ $$210.3850/978-981-07-2219-7_P366
$$adoi
000004579 04107 $$aeng
000004579 046__ $$k2012-05-23
000004579 100__ $$aYou-Kun, Liu
000004579 24500 $$aDynamic Reliability Analysis of Offshore Wind Turbine Systems Considering Rotational Effect

000004579 24630 $$n5.$$pProceedings of the 5th Asian-Pacific Symposium on Structural Reliability and its Applications
000004579 260__ $$bResearch Publishing, No:83 Genting Lane, #08-01, Genting Building, 349568 SINGAPORE
000004579 506__ $$arestricted
000004579 520__ $$2eng$$aWith the increase of the size, it becomes harder to achieve tradeoffs between the economical efficiency and the reliability of offshore wind turbine systems. In the present paper, the Kane's equation based integrated tower-hub-blade model is firstly studied and verified by a shaking table test. 
 By Kane's equation, the equation of motion of the element taking into account the rotational effect takes the form
 M<sup>e</sup>ü<sup>'</sup> + C<sup>e</sup>ů<sup>'</sup> + K<sup>e</sup>u<sup>'</sup> = f<sup>e</sup>
 where the matrices M<sup>e</sup>,C<sup>e</sup> and K<sup>e</sup> are different from those when the blades are at rest. Correction terms related to the angular velocity matrix Ω are imposed. Combined with the finite elements of the tower, an integrated model could be established. Figure 1 shows the comparison between the numerical results and the shaking table test. 
 Incorporating the integrated model into the probability density evolution method (PDEM) (Li & Chen, 2009) could implement reliability evaluation of the offshore wind turbine systems under strong wind (Li et al, 2012). Figure 2 shows the PDF surface of the instantaneous response of the hub displacement. Shown in Figure 3 is the PDF of the extreme value of the hub displacement. An integral then gives the first-passage reliability, 99.18%.

000004579 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000004579 653__ $$aWind turbine system, Rotation effect, Dynamic reliability analysis, Multi-body dynamic method, Kane dynamic equation, Probabilitydensity evolution method

000004579 7112_ $$a5th Asian-Pacific Symposium on Structural Reliability and its Applications$$cSingapore (SG)$$d2012-05-23 / 2012-05-25$$gAPSSRA2012
000004579 720__ $$aYou-Kun, Liu$$iJian-Bing, Chen$$iKai, Huang$$iJie, Li
000004579 8560_ $$ffischerc@itam.cas.cz
000004579 8564_ $$s902837$$uhttps://invenio.itam.cas.cz/record/4579/files/P366.pdf$$yOriginal version of the author's contribution as presented on CD, .
000004579 962__ $$r4180
000004579 980__ $$aPAPER