1–20 von 48 Ergebnissen
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    Wireless Sensor Network for Helicopter Rotor Blade Vibration Monitoring: Requirements Definition and Technological Aspects

    Sanchez Ramirez, Andrea / Das, Kallol / Loendersloot, Richard et al. | Tema Archiv | 2013
    been limited due to the practical restrictions on instrumenting rotating blades. The use of Wireless Sensor Networks (WSNs) for real time ...

    Virtual Structural Monitoring of Wind Turbines Using Operational Modal Analysis Techniques

    di Lorenzo, Emilio / Manzato, Simone / Peeters, Bart et al. | Tema Archiv | 2013
    measurements of the structures in operational conditions when the input forces cannot be measured. These information can then be used to improve ...

    Use of LU Decomposition of Modal Flexibility in Structural Damage Detection: Numerical Validation

    An, Yong-Hui / Ou, Jin-ping | Tema Archiv | 2013
    . The modal flexibility matrix will change with damage in a structure, and the change of modal flexibility should contain the information of ...

    Tracking of cracks in airplane components using nonlinear surface wave propagation techniques

    Vanlanduit, Steve / Guillaume, Patrick / Vermeulen, Jimmy et al. | Tema Archiv | 2005
    In this article an on-line method is proposed to monitor the health of a structure during its operational loading. A 5 volts amplitude ...

    The Status of Research on Self-Sensing Properties of CNT-Cement Based Composites and Prospective Applications to SHM

    Rainieri, Carlo / Pannunzio, Carmen / Song, Yi et al. | Tema Archiv | 2013
    behaviour of a structure, assess its performance and identify damage at an early stage. Thus, maintenanceactions can be carried out in a timely ...

    Thermoelectric energy harvesting for wireless sensor systems in aircraft

    Featherston, C.A. / Holford, K.M. / Waring, G. | Tema Archiv | 2009
    extended aircraft lifecycles. A major focus of current research in this area is the development of wireless sensor nodes' which rely on batteries ...

    The Dynamic Behaviour of a Buried Water Pipe and its Effect on Leak Location Using Acoustic Methods

    de Almeida, Fabricio / Joseph, Phillip / Brennan, Michael et al. | Tema Archiv | 2013
    effect on the estimate of the position of the leak depending on the way in which the leak noise signals are processed. ...

    Sustainable Design of Smart Health Facilities in Seismically Prone Areas

    Rainieri, Carlo / Fabbrocino, Giovanni | Tema Archiv | 2013
    attention is focused on the analysis of the factors which make health facilities vulnerable and on the issues related to a rational and objective ...

    Structural health monitoring experimental system implemented in a turboprop commercial aircraft

    Bovio, I. / Lecce, L. | Tema Archiv | 2007
    developed by the authors, and already tested for analysing damage of many structural elements. After having tested this application on different ...

    Quantitative evaluation of structural damage in lightweight armor materials via XCT

    Green, William H. / Cho, Kyu C. / Montgomery, Jonathan S. et al. | Tema Archiv | 2010
    distribution of ballistically-induced damage in metals, ceramics, and encapsulated ceramic structures. Previous and ongoing work in this area includes ...

    Probabilistic Modelling of the Deterioration of Reinforced Concrete Port Infrastructure

    Molyneaux, Thomas C.K. / Law, David W. / Collins, Frank et al. | Tema Archiv | 2013
    has narrowed the key factors that have the most impact on the estimation of corrosion initiation and damage propagation allowing better ...

    Probabilistic assessment of corrosion effects on the damage tolerance of aircraft structures

    Orisamolu, I. / Luo, X. | AIAA | 1997
    Verlag: The American Institute of Aeronautics and Astronautics

    On the Modeling of Spar-Type Floating Offshore Wind Turbines

    Dinh, Van Nguyen / Basu, Biswajit | Tema Archiv | 2013
    In this paper an overview about floating offshore wind turbines (FOWT) including operating conditions, property and applicability of the ...

    On the Integration of Real-Time Diagnosis and Prognosis for Scheduled Maintenance Optimization

    Sbarufatti, Claudio / Manes, Andrea / Giglio, Marco | Tema Archiv | 2013
    Helicopters are very critical aircrafts from the point of view of fatigue loads. A structural damage could grow fast to critical size ...

    Novel vibration-based method for detecting delamination damage in composite plate and shell laminates

    Gherlone, Marco / Mattone, Meassimiliano / Surace, Cecilia et al. | Tema Archiv | 2005
    . The approach does not require vibration measurements on the undamaged structure. Three alternative damage indexes, two of the Von Mises type ...

    Near real-time monitoring of bead area damage in rolling tires using a rotating wheel model and multi-directional vibration data

    Yoder, Nathanael C. / Johnson, Timothy J. / Adams, Douglas E. | Tema Archiv | 2007
    commercial and passenger cars and trucks. A near real-time system to monitor the initiation of bead area damage in rolling tires was developed using ...

    Monitoring of growing fatigue damage using the E/M impedance method

    Xing, K.J. / Fritzen, C.P. | Tema Archiv | 2007
    A320 fuselage part using 9 self-sensing elements on the stringers. The sensitivity of the damage indicator decreases as the distance between ...

    Monitoring Changes in the Soil and Foundation Characteristics of an Offshore Wind Turbine Using Automated Operational Modal Analysis

    de Sitter, Gert / Weitjens, Wout / El-Kafafy, Mahmoud et al. | Tema Archiv | 2013
    This paper will show the first results of a long term monitoring campaign on an offshore wind turbine in the Belgian North Sea. It will ...

    Modal Strain Energy Based Damage Detection Applied to a Full Scale Composite Helicopter Blade

    dos Santos, Fabio Luis Marques / Peeters, Bart / Van der Auweraer, Herman et al. | Tema Archiv | 2013
    fiber or glass fiber reinforced plastics laminates, epoxy and honeycomb filled core structures. The use of composite materials on the main rotor ...

    Modal analysis of acoustic emission signals from artifical and fatigue crack sources in aerospace grade steel

    Pullin, R. / Holford, K.M. / Baxter, M.G. | Tema Archiv | 2005
    Current analysis of Acoustic Emission (AE) signals is dominated by waveform parameter assessment, such as amplitude, rise-time, absolute ...