نتایج جستجو برای: impedance based structural health

تعداد نتایج: 4024315  

Journal: :Applied sciences 2023

The early discovery of factors that compromise a civil infrastructure’s structural integrity allows for safety monitoring, timely prevention, and prompt remedy to the discovered problem. As result, researchers have been researching various methodologies types health monitoring (SHM). A systematic search was performed following updated Preferred Reporting Items Systematic reviews Meta-Analyses (...

2015
Jonathan Rivnay Pierre Leleux Adel Hama Marc Ramuz Miriam Huerta George G. Malliaras Roisin M. Owens

Impedance sensing of biological systems allows for monitoring of cell and tissue properties, including cell-substrate attachment, layer confluence, and the "tightness" of an epithelial tissue. These properties are critical for electrical detection of tissue health and viability in applications such as toxicological screening. Organic transistors based on conducting polymers offer a promising ro...

Journal: :Current Directions in Biomedical Engineering 2021

Abstract Morphological prior information incorporated with the discrete cosine transformation (DCT) based electrical impedance tomography (EIT) algorithm can improve interpretability of EIT reconstructions in clinical applications. However, an outdated structural yield a misleading reconstruction compromising accuracy diagnosis and appropriate treatment decision. In this contribution, we propos...

Journal: :نشریه مهندسی عمران و نقشه برداری 0
مهدی هزینه دانشگاه تهران محمد مختاری پژوهشگاه زلزله

the direct way to access the petrophysical property of hydrocarbon reservoir is based on well data but due to its high cost, the seismic data has been used to obtain these parameters. for this purpose, many different methods are available and each has its own advantages and limitations. from these methods the seismic inversion is the best tool to study the reservoir characterization. the outcom...

2010
Dao Zhou Daniel J. Inman Patrick Schaumont Dong S. Ha

Structural Health Monitoring (SHM) is the science and technology of monitoring and assessing the condition of aerospace, civil, and mechanical infrastructures using a sensing system integrated into the structure. Impedance-based SHM measures impedance of a structure using a PZT (Lead Zirconate Titanate) patch. This chapter presents a lowpower wireless autonomous and active SHM node called Auton...

Journal: :Energies 2023

Energy storage is an important technical means to increase the consumption of renewable energy and reduce greenhouse gas emissions. Electrochemical storage, represented by lithium-ion batteries, has a promising developmental prospect. The performance batteries continues decline in process application, differences between are increasing. Therefore, accurate estimation state health (SOH) key safe...

Journal: :Journal of applied physiology 2011
David W Kaczka Kenneth R Lutchen Zoltán Hantos

The ability to maintain adequate gas exchange depends on the relatively homogeneous distribution of inhaled gas throughout the lung. Structural alterations associated with many respiratory diseases may significantly depress this function during tidal breathing. These alterations frequently occur in a heterogeneous manner due to complex, emergent interactions among the many constitutive elements...

2012
Carl Byington

The authors have applied an advanced set of auto-regressive tools for identifying potentially complex, linear and nonlinear relationships in data, wherein the underlying physical relationships are not well described. In this paper these tools and techniques are described in detail, and the results of the application of these tools to evaluation of diesel engine lubricating oil health (based on ...

2016
Zahra Sharif Khodaei M.H. Aliabadi

In this work, a multi-level decision fusion strategy is proposed which weighs the Value of Information (VoI) against the intended functions of a Structural Health Monitoring (SHM) system. This paper presents a multi-level approach for three different maintenance strategies in which the performance of the SHM systems is evaluated against its intended functions. Level 1 diagnosis results in damag...

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