Optimal sensor placement for uncertain inverse problem of structural parameter estimation

J Liu, H Ouyang, X Han, G Liu - Mechanical Systems and Signal …, 2021 - Elsevier
This paper presents an optimal sensor placement approach for the uncertain inverse
problem of structural parameter estimation, aiming to mitigate the ill-posedness problem that …

[HTML][HTML] A novel defect depth measurement method based on Nonlinear System Identification for pulsed thermographic inspection

Y Zhao, J Mehnen, A Sirikham, R Roy - Mechanical Systems and Signal …, 2017 - Elsevier
This paper introduces a new method to improve the reliability and confidence level of defect
depth measurement based on pulsed thermographic inspection by addressing the over …

Non-contact, bi-directional tool tip vibration measurement in CNC milling machines with a single optical sensor

H Zhang, D Anders, M Löser, S Ihlenfeldt… - … Systems and Signal …, 2020 - Elsevier
Vibration measurements of tools are significant for machine modelling, error prone state
identification and machine operation optimization. In the milling process, forced vibrations …

[HTML][HTML] Determination of thermal wave reflection coefficient to better estimate defect depth using pulsed thermography

A Sirikham, Y Zhao, J Mehnen - Infrared Physics & Technology, 2017 - Elsevier
Thermography is a promising method for detecting subsurface defects, but accurate
measurement of defect depth is still a big challenge because thermographic signals are …

Fundamental uncertainty limit for speckle displacement measurements

A Fischer - Applied optics, 2017 - opg.optica.org
The basic metrological task in speckle photography is to quantify displacements of speckle
patterns, allowing for instance the investigation of the mechanical load and modification of …

[HTML][HTML] Design and testing of polar-orthotropic multi-layered composites under rotational load

A Filippatos, B Grueber, J Lich, T Wollmann, B Zhou… - Materials & Design, 2021 - Elsevier
The growing requirements for efficient and reliable high-performance rotors have led to an
increased application of advanced fiber-reinforced composites. For an efficient feasibility …

Influence of gradual damage on the structural dynamic behaviour of composite rotors: Experimental investigations

A Filippatos, M Gude - Materials, 2018 - mdpi.com
Fibre-reinforced composite structures subjected to complex loads exhibit gradual damage
behaviour with the degradation of the effective mechanical properties and changes in their …

Design and fabrication of multifunctional holographic optical elements in laser Doppler velocimeter

Y Xu, Z Lv, C Wang, J Liu - Optics Express, 2023 - opg.optica.org
Replacing the bulky traditional optical elements in the optical system with a holographic
optical element (HOE) is conducive to the functional integration and volume miniaturization …

[PDF][PDF] Combined experimental-numerical approach for the 3D vibration analysis of rotating composite compressor blades: An introduction

T Wollmann, M Dannemann, A Langkamp… - Proceeding of the …, 2018 - researchgate.net
As compressor blades are subjected to highly dynamic loads, there is a particular interest in
determining their modal properties under operating condition. Furthermore, intensive …

Optische Messung der Werkzeugablenkung in der inkrementellen Blechumformung

A von Freyberg, M Terlau, D Stöbener… - tm-Technisches …, 2023 - degruyter.com
Zum Umformen großer Bleche in kleinen Stückzahlen stellt die inkrementelle
Blechumformung eine wirtschaftliche Alternative zum Tiefziehen dar. Auftretende …