&lt;title&gt;Three-dimensional pulsed ESPI technique of analysis of dynamic problems&lt;/title&gt;

Wang, Zhiguo; Walz, Thomas; Schubach, Hans Reinhard; Ettemeyer, Andreas

doi:10.1117/12.364249

Cited by 11 publications

(4 citation statements)

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“…Recent developments have extended the capabilities of pulsed ESPI techniques to 3D measurement of dynamic behavior. 5,6 This combines the advantages of the pulsed ESPI technique for highly dynamic studies with the capabilities of the 3D-ESPI systems in determining the complete three dimensional deformation vector. The principle of the pulsed 3D-ESPI techniques is as follows.…”

Section: Brake Vibration Analysis With Three-dimensional Pulsed Espimentioning

confidence: 99%

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Brake Vibration Analysis With Three-Dimensional Pulsed Espi

Krupka

Ettemeyer

2001

Experimental Techniques

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Section: Brake Vibration Analysis With Three-dimensional Pulsed Espimentioning

confidence: 99%

“…We already reported about the application of this 3D-PulsESPI to dynamic problems. 5,6 . In this paper we describe the application of the 3D-PulsESPI technique to brake squeal analysis and give recent examples in this field.…”

Section: Brake Vibration Analysis With Three-dimensional Pulsed Espimentioning

confidence: 99%

Brake Vibration Analysis With Three-Dimensional Pulsed Espi

Krupka

Ettemeyer

2001

Experimental Techniques

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“…We already reported about the application of this 3D-Pu1sESPI to dynamic problems [5,6].In this paper we describe the application of the 3D-Pu1sESPI technique to brake squeal analysis and give recent examples in this field. Furthermore recent developments have yield to a completely automatic brake squeal inspection system, which captures the squealing signal, automatically fires the laser and provides the complete deformation map ofthe component under test.…”

Section: Introductionmentioning

confidence: 97%

“…Recent developments have extended the capabilities of pulsed ESPI techniques to 3D measurement of dynamic behavior [5,6]. This combines the advantages of the pulsed ESPI technique for highly dynamic studies with the capabilities of the 3D-ESPI systems in determining the complete three dimensional deformation vector.…”

Section: Introductionmentioning

confidence: 99%

Application of ESPI techniques for the study of dynamic vibrations

Krupka

2004

SPIE Proceedings

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Full field optical measurement techniques have already entered into various fields of industrial applications covering static as well as dynamic phenomena. The electronic speckle pattern interferometry (ESPI) allows the non contact, sensitive and three dimensional measurement of displacements in the sub micron range of objects with dimensions from mm2 to m2. For dynamic and transient phenomena, the use of pulsed laser have already been reported for various applications and successfully proven for the determination of the structural response of different components. In this paper we would like to present recent developments in the field of pulsed ESPI applications where emphasis is put onto the full field measurement result. The use of a completely computer controlled system allows easy access to mode shape characterization, deformation measurements and the characterization oftransient events like shock wave propagation.Recent developments of the 3D-Pu1sESPI technique led to a very compact and complete system with improved characteristics regarding robustness and operation. The integrated design of the illumination laser and sensors for image acquisition allows easy aiming and adjustments with respect to the object of inspection. The laser is completely computer controlled which is advantageously used in a completely automatic brake squeal inspection system, which captures the squealing signal, automatically fires the laser and provides the complete deformation map of the component under test.Examples of recent applications in the field of dynamic structure response, with an emphasis in the field of automotive applications are given.

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