101–120 von 131 Ergebnissen
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    Roadmap for a Highly Improved Modal Test Process

    Coppolino, Robert N. | Springer Verlag | 2020
    experimental data from a potentially flawed TAM mass matrix. A roadmap for incorporation of the new paradigm into NASA and USAF standards and continued ...
    Schlagwörter: Aerospace Technology and Astronautics , Energy Harvesting , Measurement Science and Instrumentation

    Mechanical Environment Test Specifications Derived from Equivalent Energy in Fixed Base Modes, with Frequency Shifts from Unit-to-Unit Variability

    Skousen, Troy J. / Mayes, Randy L. | Springer Verlag | 2021

    The purpose of mechanical environment testing is to prove that designs can withstand the loads imparted on them

     ...
    Schlagwörter: Modal energy , Multi-degree of freedom , Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Using Modal Projection Error to Evaluate

    Schoenherr, Tyler F. / Paripovic, Jelena | TIBKAT | 2022

    Hybrid Slab Systems in High-rises for More Sustainable Design

    Berger, Katherine / Benzoni, Samuel / Jiang, Zhaoshuo et al. | TIBKAT | 2021

    Space Launch System Mobile Launcher Modal Pretest Analysis

    Akers, James C. / Sills, Joel | TIBKAT | 2021

    Using Low-Cost "Garage Band" Recording Technology for Acquiring High Resolution High-Speed Data

    Wetherington, Randall / Sheets, Gregory / Karnowski, Tom et al. | TIBKAT | 2021

    Forcing Function Estimation for Space System Rollout

    James, George / Grady, Robert / Allen, Matt et al. | TIBKAT | 2021

    Using BB-gun or Acoustic Excitation to Find High Frequency Modes in Additively Manufactured Parts

    Allen, Aimee / Johnson, Kevin / Blough, Jason R. et al. | TIBKAT | 2021

    Assessment of Metrics Between Acceleration Power Spectral Density Metrics and Failure Criteria

    Beale, Dagny / Larsen, William / Coffin, Peter | Springer Verlag | 2021
    test. Ideally, a vibration test would replicate the field response in terms of deflection shape and magnitude and therefore also the stresses ...
    Schlagwörter: Dynamic environments testing , Multi-shaker testing and metrics , Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Using Parameterized Optimization to Model a Slip Table

    Pham, Julie / Schoenherr, Tyler F. | Springer Verlag | 2021
    . Structures subjected to vibration environments are typically affixed to an electrodynamic shaker table via a test fixture. The fixture with the ...
    Schlagwörter: Dynamic environments , Testing , Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Exploring Iterative Optimization Methods to Develop a MIMO Control Input

    Wilbanks, J. Justin / Schultz, Ryan A. / Owens, Brian C. | Springer Verlag | 2021
    optimization method depends on the objective function and optimization method used as well as the definition of the format of the input cross-power ...
    Schlagwörter: Vibration testing , Dynamic modeling , Multi-axis testing , Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Aeroelastic Test of the Nixus FBW Sailplane

    Iscold, Paulo / Fladung, William | Springer Verlag | 2021
    detailed study and special considerations for safe operation. The use of an FBW system for the wing control surfaces allows the exploration of new ...
    Schlagwörter: Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Application of Smartphones in Pavement Deterioration Identification Using Artificial Neural Network

    Moghadam, A. / Sarlo, R. | Springer Verlag | 2021

    The new generation of smartphones, equipped with various sensors such as a three-axis accelerometer, have shown

     ...
    Schlagwörter: Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Basic Vibration Analysis in a Laboratory Classroom Using Virtual Instruments

    Semke, William H. | Springer Verlag | 2021
    objective of the laboratory experience is to experimentally measure the natural frequencies and damping ratio of a cantilever beam. The acceleration ...
    Schlagwörter: Dynamic signal analyzer , Vibration testing , Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Challenges to Develop and Design Ultra-high Temperature Piezoelectric Accelerometers

    Shu, Chang / Ovenden, Neill / Saremi-Yarahmadi, Sina et al. | Springer Verlag | 2020

    Piezoelectric accelerometer sensors are widely used for testing and monitoring vibrations in automotive

     ...
    Schlagwörter: Vibration testing , Aerospace Technology and Astronautics , Energy Harvesting , Measurement Science and Instrumentation

    Localizing Perturbed Objects in a Room with Reflective Boundaries Using Dispersed Acoustic Measurements

    Gassen, Michael J. / Marts, Ian C. / Roberts, Mitchell J. et al. | Springer Verlag | 2021
    localized without a priori knowledge of the scattering medium by subtracting baseline from perturbation acoustic pressure field measurements and ...
    Schlagwörter: Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Investigation of Transmission Simulator-Based Response Reconstruction Accuracy

    Tuman, Matthew J. / Schumann, Christopher A. / Allen, Matthew S. et al. | Springer Verlag | 2021
    to reproduce the environment everywhere on a part while controlling only to a subset of accelerometers on a component called the transmission ...
    Schlagwörter: Aerospace Technology and Astronautics , Measurement Science and Instrumentation , Nanotechnology and Microengineering

    Application of Quasi-Static Modal Analysis to an Orion Multi-Purpose Crew Vehicle Test

    Allen, Matthew S. / Schoneman, Joe / Scott, Wesley et al. | Springer Verlag | 2020
    during dynamic testing at flight-like load levels. In addition to the extraction of amplitude-dependent frequency and damping curves, a Bouc-Wen ...
    Schlagwörter: Nonlinear dynamics , Aerospace Technology and Astronautics , Energy Harvesting , Measurement Science and Instrumentation

    The Integrated Modal Test-Analysis Process (2020 Challenges)

    Coppolino, Robert N. | Springer Verlag | 2020
    hysteretic joint models offers promising relief to the structural joint difficulties. All of the above noted techniques and strategies may lead to ...
    Schlagwörter: Aerospace Technology and Astronautics , Energy Harvesting , Measurement Science and Instrumentation