1998
DOI: 10.2514/3.13806
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Sensor placement methodologies for dynamic testing

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Cited by 8 publications
(10 citation statements)
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“…Furthermore, the error decreases with increased sensor count, also as expected. It should be reiterated that the sensor locations were not optimized in any way such that absolute values of are not as globally meaningful as relative values; it is possible that all the values presented in Table 1 can be reduced, perhaps even signi"cantly, merely by judicious sensor placement [19]. In any real measurement, a certain amount of error also arises, not due to model short-comings or even sensor density and placement issues, but rather due to inherent performance characteristics of the measurement device.…”
Section: Shape Reconstruction Examplesmentioning
confidence: 99%
“…Furthermore, the error decreases with increased sensor count, also as expected. It should be reiterated that the sensor locations were not optimized in any way such that absolute values of are not as globally meaningful as relative values; it is possible that all the values presented in Table 1 can be reduced, perhaps even signi"cantly, merely by judicious sensor placement [19]. In any real measurement, a certain amount of error also arises, not due to model short-comings or even sensor density and placement issues, but rather due to inherent performance characteristics of the measurement device.…”
Section: Shape Reconstruction Examplesmentioning
confidence: 99%
“…By this method, an optimal sensor set is selected based on the modal kinetic energy distribution, which gives a measure of the dynamic contribution of each finite element model (FEM) physical degree of freedom to each of the target mode shapes [13] .…”
Section: The Modal Kinetic Energy Methodsmentioning
confidence: 99%
“…The procedure of simultaneous selection is simple but suffers from a drawback in that excessive weighting is put on the elements with larger mesh and mass, which seems quite natural but becomes defective in some typical cases [24]. The basic principle should be based on a uniform distribution of the degrees of freedom over the entire structural system.…”
Section: Secondary Structural Subspacementioning
confidence: 99%
“…The flexural vibration of a cantilever beam [24] was investigated for the assessment of selection optimality and solution accuracy in structural optimization and damage detection. The finite element model has 25 beam elements (15 small and 10 large) and 25 unconstrained nodes, as shown in figure 1.…”
Section: Baseline and Perturbed Systemsmentioning
confidence: 99%
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