12 M. Gibanica et al. Fig. 1.9 Difference between frequency based and state-space based substructuring methods when CBD0, for experimental-analytical coupling of the blade bracket system Fig. 1.10 FRF comparison between the coupled state space blade bracket models and the measured models In Fig. 1.11, the three considered configurations of the analytical couplings are compared to the measured components. The analytical model correlated well with the four first modes. After that the analytical model did not correlate very well with any of the blades. 1.7 Conclusions and Further work In this paper, an experimental-analytical synthesis of components for the SEM Substructuring focus group test bed, the Ampair 600W wind turbine, has been presented using a state-space method for the coupling. Experimental models of the blades of the turbine were identified through system identification techniques and coupled to analytical models of the brackets
RkJQdWJsaXNoZXIy MTMzNzEzMQ==