[PDF] Top 20 Analysis of multi-degree-of-freedom nonlinear systems using nonlinear output frequency response functions

... structural systems can be described by MDOF models. In addition, these systems may also behave nonlinearly due to nonlinear characteristics of some components within the ...These nonlinear ... See full document

... modal analysis techniques, which were essentially derived from the Frequency Response Functions (FRFs) ...measured frequency response functions using a non-linear ... See full document

... have a considerable difference. This result implies that a class of novel approaches can be developed based on the properties of NOFRFs derived in the present study for MDOF nonlinear systems to detect and ... See full document

... of multi-dimensional convolution ...Higher-order Frequency Response Functions (HFRFs) [3], or more usually Generalised Frequency Response Functions ...analyzing ... See full document

... the output frequency response functions of nonlinear systems described by a NARX model have been derived in this ...system frequency response functions, and ... See full document

... of using the ...how nonlinear phenomena such as new frequency generations occur with bilinear oscillators, but also reveals that it is the resonances of the NOFRFs that dominate the occurrence of the ... See full document

... the output frequency responses of nonlinear systems under multiple inputs based on the system frequency-domain ...system output frequency responses can only be achieved ... See full document

... model nonlinear parameters are available in the analytical system output frequency response description and how each of those parameters has its effect on the system output spectrum, a ... See full document

... the analysis o f nonlinear oscillators with finite degrees o f freedom exhib­ iting self-sustained oscillations (autonomous systems) or performing oscillations under periodic exci­ ...time ... See full document

... HE frequency domain analysis of linear systems has been well established and widely studied in engineering sys- ...of nonlinear systems in the frequency domain was initiated in ... See full document

... the output frequency components of nonlinear systems are much richer compared to the corresponding input ...a nonlinear system, that is, an input at given frequencies may produce quite ... See full document

... a nonlinear system, the GFRFs can be determined using the algorithm in ...multidimensional functions [7][8], which can be difficult to measure, display and interpret in ...as Nonlinear ... See full document

... the nonlinear case is known as the Generalized Frequency Response Functions (GFRFs) (George, 1959), which were proposed under the assumption that the output of the nonlinear ... See full document

... multidimensional functions [7][8], which can be difficult to measure, display and interpret in ...of Nonlinear Output Frequency Response Functions (NOFRFs) was proposed by the ... See full document

... authors, nonlinear analysis based methods are often much more sensitive to the presence of cracks than linear vibration based ...the Nonlinear Output Frequency Response ... See full document

... Non-linear systems are approached in several different ...a multi-input multi-output model was also presented in ...non-linear systems from noisy measurements was introduced in ... See full document

... dynamic analysis. The knowledge of nonlinear system identification has expanded these few decades but still limited and vast majority of applications are only concerned about linear ...the nonlinear ... See full document

... In the paper, the problems of identification of focus or center for a class of nonlinear systems are studied. As results, the identifying rule for the type of singular point of the system and the ... See full document

... the systems by the DM using CDFRS ...the response history analysis (RHA) and one of the corresponding elastic systems by the spectrum modal analysis ...dynamic analysis ... See full document

... NONLINEAR DYNAMIC TRANSFER FUNCTIONS FOR CERTAIN RETINAL NEURONAL SYSTEMS Thesis by Panagiotis Zissis Marmarelis In Partial Fulfillment of the Requirements For the Degree of Doctor of Philosophy Calif[.] ... See full document