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Sensors & Instrumentation and Aircraft/Aerospace Testing Techniques Vol. 8 : Proceedings of the 42nd IMAC, A Conference and Exposition on Structural Dynamics 2024 / / edited by Chad Walber, Matthew Stefanski
| Sensors & Instrumentation and Aircraft/Aerospace Testing Techniques Vol. 8 : Proceedings of the 42nd IMAC, A Conference and Exposition on Structural Dynamics 2024 / / edited by Chad Walber, Matthew Stefanski |
| Autore | Walber Chad |
| Edizione | [1st ed. 2025.] |
| Pubbl/distr/stampa | Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2025 |
| Descrizione fisica | 1 online resource (144 pages) |
| Disciplina | 629.1 |
| Altri autori (Persone) | StefanskiMatthew |
| Collana | Conference Proceedings of the Society for Experimental Mechanics Series |
| Soggetto topico |
Aerospace engineering
Astronautics Materials Detectors Measurement Measuring instruments Electronics Multibody systems Vibration Mechanics, Applied Aerospace Technology and Astronautics Sensors and biosensors Measurement Science and Instrumentation Electronics and Microelectronics, Instrumentation Multibody Systems and Mechanical Vibrations |
| ISBN |
87-438-0429-2
87-438-0061-0 3-031-68188-6 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Preface -- Contents -- Green Run Modal Test of the NASA Space Launch System Core Stage -- Introduction and Motivation -- SLS Core Stage -- Core Stage Instrumentation -- Modal Excitation -- Data Acquisition -- Test Execution -- Test Results -- Challenges -- Conclusion -- References -- Noncontact Modal Testing of Structures with Closely Spaced Modes Using Multireference Impact Testing and Scanning Laser Vibrometry -- Nomenclature -- Introduction -- Test Article -- Experimental Setup -- Impact Testing -- Modal Shaker Testing -- Results -- Conclusion -- Vibration Analysis of Morphing Wings -- Introduction -- The Model -- Moment of Inertia -- Frequency Analysis -- The Undamped Model -- The Damped Model -- Instability |
| Record Nr. | UNINA-9910983387103321 |
Walber Chad
|
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| Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2025 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Sensors & Instrumentation and Aircraft/Aerospace Testing Techniques, Volume 8 : Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics 2023 / / edited by Chad Walber, Matthew Stefanski, Stephen Seidlitz
| Sensors & Instrumentation and Aircraft/Aerospace Testing Techniques, Volume 8 : Proceedings of the 41st IMAC, A Conference and Exposition on Structural Dynamics 2023 / / edited by Chad Walber, Matthew Stefanski, Stephen Seidlitz |
| Autore | Walber Chad |
| Edizione | [1st ed. 2024.] |
| Pubbl/distr/stampa | Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2024 |
| Descrizione fisica | 1 online resource (160 pages) |
| Disciplina | 629.1 |
| Altri autori (Persone) |
StefanskiMatthew
SeidlitzStephen |
| Collana | Conference Proceedings of the Society for Experimental Mechanics Series |
| Soggetto topico |
Aerospace engineering
Astronautics Biophysics Senses and sensation Measurement Measuring instruments Mechanical engineering Aerospace Technology and Astronautics Sensory Systems Measurement Science and Instrumentation Mechanical Engineering |
| ISBN |
87-438-0414-4
87-438-0046-7 3-031-34938-5 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Preface -- Contents -- 1 Modal Analysis of a BattleBot Blade -- 1.1 Introduction -- 1.2 Test Layout -- 1.3 Equipment Selection -- 1.3.1 Accelerometers -- 1.3.2 Hammer -- 1.3.3 Modal Analysis System -- 1.3.4 Excitation Method -- 1.4 Experimental Setup and Layout -- 1.5 Conclusion -- 2 Test Data Measurement Uncertainty Analysis -- 2.1 Introduction -- 2.2 Background -- 2.3 Random Uncertainty -- 2.4 Systematic Uncertainty -- 2.5 Final Uncertainty Calculation -- 2.6 Consultant -- 2.7 ASME and ISO Compliance -- 2.8 Project Accomplishments -- 2.9 Uncertainty Database -- 2.10 Detailed Example -- 2.11 Conclusion -- Reference -- 3 Carbon Nanotube (CNT) Elastomers for Sensing Applications: A Narrative Review -- 3.1 Polymers -- 3.2 Elastomers -- 3.3 Compounding -- 3.4 Carbon Nanotubes (CNT) -- 3.5 CNT Elastomers -- 3.6 Factors Affecting CNT Elastomer Conductivity -- 3.7 Factors Affecting CNT Elastomer Stability and Repeatability -- 3.7.1 Polymer Matrix -- 3.7.2 CNT Particles -- 3.7.3 Compounding Variables -- 3.8 Conclusions -- References -- 4 Magnetoelastic Vibration Sensors -- 4.1 Introduction -- 4.2 Background -- 4.3 Measurement and Analysis -- 4.4 Conclusion -- References -- 5 Implementation of Shaft-Mounted Accelerometer in the Local Fault Diagnosis of GearedSystems -- 5.1 Introduction -- 5.2 Implemented Fault Diagnostics Approach -- 5.3 Speed-Based Resampling Scheme (SBRS) -- 5.4 Residual Signal -- 5.5 Angular Doman Averaging (ADA) -- 5.6 Continuous Wavelet Transform (CWT) -- 5.7 Experimental Setup -- 5.8 Results -- 5.9 Shaft-Mounted Accelerometer Versus Bearing-Mounted Accelerometer -- 5.10 Measurement from Different Locations and Directions on the Pillow Ball Bearing -- 5.11 Measurement from Different Locations and Directions on the Shaft -- 5.12 Different Locations and Size for the Fault -- 5.13 Faulty Gear Verses Faulty Pinion.
5.14 Fluctuating Load-Speed Condition -- 5.15 Conclusion and Future Works -- 5.16 Future Works -- References -- 6 Methodologies to Distinguish Locomotive Types Based on the Measured Geometry -- 6.1 Introduction -- 6.2 Methods -- 6.3 Results -- 6.4 Conclusion -- References -- 7 Feedback Active Noise Cancellation Using Single Sensor with Deep Learning -- 7.1 Introduction -- 7.2 Proposed Single Sensor ANC Framework -- 7.3 Primary and Secondary Paths Simulations -- 7.4 ANC Network Architecture -- 7.5 Data and Training Strategy -- 7.6 Results -- 7.7 Conclusion -- References -- 8 Govan-Partick Pedestrian Bridge: Piezoelectric Energy Harvesting from Footfall-Induced Vibrations -- 8.1 Introduction -- 8.1.1 Govan Partick Bridge -- 8.2 Methodology -- 8.2.1 Bridge Model -- 8.2.2 Bridge-Person Interaction -- 8.2.3 Piezoelectric Energy Harvester -- 8.3 Analysis & -- Results -- 8.3.1 Govan-Partick Bridge -- 8.4 Conclusion -- References -- 9 OASIS: Open Acquisition System for IEPE Sensors: For Academic Research and Teaching Purposes -- 9.1 Introduction -- 9.2 Performance Requirements for Data Acquisition -- 9.3 Acquisition Board Design -- 9.4 Wireless Sample Synchronization: Operation Principle and Validation -- 9.5 Conclusion -- References -- 10 Design of a Variable Stiffness Impact Damper Using Magnetorheological Elastomers -- 10.1 Introduction -- 10.2 Background -- 10.3 Experimental Results -- 10.4 Conclusion -- References -- 11 Realization of a Virtual Acoustic Black Hole with Piezoelectric Patches -- 11.1 Introduction -- 11.2 Background -- 11.3 Analysis -- 11.4 Conclusion -- References -- 12 A Portable Fixed Base Support for Modal Survey Tests -- Nomenclature -- 12.1 Introduction -- 12.2 Test Overview -- 12.3 Shaker Data Analysis -- 12.4 Impact Data Analysis -- 12.5 Posttest Model Correlation -- 12.6 Summary -- References. 13 Characterization of Nonlinear Joint Stiffness Using Dynamic and Static Experimental Methods -- Nomenclature -- 13.1 Introduction -- 13.2 Test Article -- 13.3 Experiments -- 13.3.1 Dynamic Testing -- 13.3.2 Static Testing -- 13.4 Conclusion -- References -- 14 Dynamic Characterization of Aircraft Shock Cords Used for Free-Free Boundary Conditions for Ground Vibration Testing -- Nomenclature -- 14.1 Introduction -- 14.2 Experimental Setup -- 14.3 Results -- 14.4 Conclusion -- References -- 15 Flight Worthiness Evaluation of Small Unmanned Aircraft Using Acoustic Testing -- 15.1 Introduction -- 15.2 Experimental Testing -- 15.3 Vibration Testing -- 15.4 Acoustic Testing -- 15.5 Discussion -- 15.6 Conclusion -- References -- 16 Low-Order Mechanical Modeling of Liquid Fuel Sloshing -- References -- 17 Development of Steering Law for Thrust Vector Control Using Clustered Thrusters -- References -- 18 Fiducial Marker -Based Localization of Autonomous UAV for Structural Health Monitoring -- 18.1 Introduction -- 18.2 Methodology -- 18.2.1 Outdoor Experiments -- 18.3 Conclusion -- References -- 19 Obstacle Avoidance Method for Autonomous UAV for Structural Health Monitoring -- 19.1 Introduction -- 19.2 Methodology -- 19.3 Analysis -- 19.4 Conclusion -- References -- 20 Modal Characterization of 3D Printed Compliant Mechanisms for Space Exploration -- 20.1 Introduction -- 20.2 Compliant Mechanisms -- 20.3 Dynamic Analysis -- 20.4 Results -- 20.5 Conclusions -- References. |
| Record Nr. | UNINA-9910765484803321 |
|
Walber Chad
|
||
| Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2024 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Sensors and instrumentation, aircraft/aerospace and dynamic environments testing, Volume 7 : proceedings of the 40th IMAC, a conference and exposition on structural dynamics 2022 / / Chad Walber, Matthew Stefanski, Julie M. Harvie, editors
| Sensors and instrumentation, aircraft/aerospace and dynamic environments testing, Volume 7 : proceedings of the 40th IMAC, a conference and exposition on structural dynamics 2022 / / Chad Walber, Matthew Stefanski, Julie M. Harvie, editors |
| Pubbl/distr/stampa | Cham, Switzerland : , : Springer, , [2023] |
| Descrizione fisica | 1 online resource (180 pages) |
| Disciplina | 624.171 |
| Collana | Conference proceedings of the Society for Experimental Mechanics series |
| Soggetto topico | Structural dynamics |
| ISBN | 3-031-05415-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Preface -- Contents -- 1 Test Data Measurement Uncertainty Analysis -- 1.1 Introduction -- 1.2 Background -- 1.3 Random Uncertainty -- 1.4 Systematic Uncertainty -- 1.5 Final Uncertainty Calculation -- 1.6 Consultant -- 1.7 ASME and ISO Compliance -- 1.8 Example -- 1.9 Conclusion -- 2 Forced Vibrations of Damped Non-homogeneous Timoshenko Beams -- Nomenclature -- 2.1 Introduction -- 2.2 Basic Structure -- 2.3 Solution Approaches -- 2.3.1 Analytical Approach -- 2.3.2 Numerical Approach -- 2.4 Numerical Examples -- 2.4.1 Free/Fixed Boundary Conditions -- 2.4.2 Fixed/Fixed Boundary Conditions -- 2.5 Assumed Modes Method -- 2.6 Conclusion -- References -- 3 Parametric Simulations of the BARC Model in SDOF and MIMO Configurations for Estimating Service Environment Severity -- 3.1 Introduction -- 3.2 Methods -- 3.2.1 Structure Modeling in ABAQUS -- 3.2.2 Usage of Existing Data -- 3.2.3 Boundary Conditions and Parameterization -- 3.3 Analysis -- 3.3.1 History Outputs -- 3.3.2 Implicit Analysis -- Boundary Conditions -- Modal Analysis -- Mode-Based Steady-State Dynamics -- 3.3.3 Explicit Analysis -- Boundary Conditions -- Computational Cost -- 3.3.4 Frequency Response and Data Analysis -- Spectral Measurements -- Scalar Measurements -- Correlation Measurements -- 3.4 Results and Discussion -- 3.5 Conclusion -- Appendix -- Appendix A: Accelerometer Frequency Responses -- Frequency Responses of Each Accelerometer in the x-Direction -- Accelerometer 1 -- Accelerometer 3 -- Accelerometer 5 -- Frequency Responses of Each Accelerometer in the y-Direction -- Accelerometer 1 -- Accelerometer 3 -- Accelerometer 5 -- Frequency Responses of Each Accelerometer in the z-Direction -- Accelerometer 1 -- Accelerometer 3 -- Accelerometer 5 -- References -- 4 Experimental Modal Analysis of a Resonant Plate During a Mid-Field Pyroshock Replication Test.
4.1 Introduction -- 4.2 Theory and Background -- 4.2.1 Modal Analysis -- 4.2.2 Formulation of SWAT-TEEM -- 4.3 Modal Analysis of the Resonant Plate Test -- 4.4 Conclusion -- References -- 5 A Parameter Study of the Matrix Power Control Algorithm -- 5.1 Introduction -- 5.2 Explanation of MPCA -- 5.3 Simulation Models -- 5.4 Simulation Results -- 5.5 Experimental Results -- 5.6 Conclusion -- References -- 6 Acoustic Resonance Testing on Production Lines with the Smart Impulse Hammer WaveHitMAX -- 6.1 Introduction -- 6.2 Background -- 6.3 Technical Implementation -- 6.4 Measurement Setup -- 6.5 Analysis -- 6.5.1 Feature Extraction -- 6.5.2 Feature Selection -- 6.5.3 Classification -- 6.6 Conclusion -- References -- 7 Techniques for Modifying MIMO Random Vibration Specifications -- 7.1 Introduction -- 7.2 Typical MIMO Testing Process -- 7.3 Options for MIMO Response-Control Specifications When Data Is Not Available -- 7.3.1 Use a Generic Straight-Line Specification from a Standard -- 7.3.2 Apply the Specification from the Old System to the New System -- 7.3.3 Modify the Specification to Account for the Differences Between A and B -- 7.4 Techniques for Specification Modification -- 7.4.1 Frequency Averaging and Frequency Modification -- 7.4.2 DOF Averaging -- 7.5 Example Using the BARC -- 7.6 Observations -- 7.6.1 Frequency Averaged Specification -- 7.6.2 Frequency Modified Specification -- 7.6.3 All DOF Averaged SPEC -- 7.6.4 Group DOF Averaged SPEC -- 7.7 Conclusion -- References -- 8 On the Selection of Mode Shapes Used in Optimal Sensor Placement -- 8.1 Introduction -- 8.2 The Railway Bridge and Numerical Modeling -- 8.3 Application of the EFI Method and the Optimal Sensor Placement -- 8.4 Conclusion -- References -- 9 Thoughts on Automatic Impulse Hammer Parameters and Sensor Fixation Methods -- 9.1 Introduction. 9.2 Automated Impulse Hammer Parameters -- 9.2.1 System Description -- 9.2.2 Influence of the Bolt Mass -- 9.2.3 Influence of the Spring Stiffness -- 9.3 Sensor Fixation Parameters -- 9.3.1 Technical Properties of Fixation Methods -- 9.3.2 Experimental Setup -- 9.3.2.1 Normal Direction -- 9.3.2.2 Tangential Direction -- 9.4 Summary -- References -- 10 Modal Correlation of Complex Aerospace Joints Using Automated Variable Substitution -- Nomenclature -- 10.1 Introduction -- 10.2 Analysis Approach -- 10.2.1 Design Variable Definition -- 10.2.2 Symbolic Substitution -- 10.2.3 Iteration Value Assignment -- 10.2.4 Nastran SOL200 Deck Setup -- 10.3 Shell Automation Script -- 10.3.1 Initial Script Setup -- 10.3.2 Iteration Loop Definition -- 10.3.3 Shell Script Execution -- 10.3.4 Output Review -- 10.4 Case Study -- 10.5 Conclusion -- References -- 11 Multi-Shaker Testing at the Component Level -- 11.1 Introduction -- 11.2 Field and Laboratory Configurations -- 11.3 System Tests -- 11.4 ICE Tests -- 11.5 SDOF Tests -- 11.6 Overall System, ICE, and SDOF Comparison -- 11.7 Conclusion -- References -- 12 Balancing Impedance and Controllability in Response Reconstruction -- 12.1 Introduction -- 12.2 Assembly and Environment Definitions -- 12.3 MIMO Simulations -- 12.3.1 Roving Hammer FRFs -- 12.3.2 Mathematical Model -- 12.3.3 Shaker Selection Algorithm -- 12.4 Methodology -- 12.5 MIMO Reconstruction -- 12.6 Simulation with Condition Number Threshold -- 12.6.1 Condition Number Threshold Implementation -- 12.6.2 Simulation Results with Condition Number Threshold -- 12.7 Conclusion -- References -- 13 Challenges and Considerations When Using Hydraulic Modal Shaking in Large-Scale Modal Testing -- 13.1 Background -- 13.2 Hydraulic Actuator Basics -- 13.3 Hydraulic Actuator Nonlinear Distortion -- 13.4 Shaker Performance Limits. 13.5 Operational and Safety Concerns -- 13.6 Pretest Analysis: End-to-End Force Response Simulation -- 13.7 Hydraulic Multi-Axis Shaker Vibration Test Facilities and Beyond -- 13.8 Conclusion -- References -- 14 Damage and Loose Rivet Detection on an Airbus A320 Panel Using Non-contact Measurement Techniques -- 14.1 Introduction -- 14.2 Experimental Setup -- 14.2.1 Digital Image Correlation (DIC) Setup -- 14.2.2 Laser Doppler Vibrometer (LDV) Setup -- 14.3 Results -- 14.3.1 DIC Full-Field Modal Analysis and Damage Detection -- 14.3.2 Damage Detection with Nonlinear Analysis -- 14.3.3 Damage Detection with ML Techniques -- 14.4 Conclusions -- References -- 15 Localisation of Sonic Sources on a Contemporary Violin Made on a Guarneri del Gesù Model -- 15.1 Introduction -- 15.2 Sound Source Localisation Methods -- 15.3 Experimental Setup -- 15.4 Sound Source Localisation -- 15.4.1 Localisation of Sound Sources -- 15.4.2 Structural Mode Shape Qualitative Analysis -- 15.5 Conclusion -- References. |
| Record Nr. | UNINA-9910627272803321 |
| Cham, Switzerland : , : Springer, , [2023] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Sensors and instrumentation, aircraft/aerospace, energy harvesting & dynamic environments testing . Volume 7 Proceedings of the 39th IMAC, a conference and exposition on structural dynamics 2021 / / Chad Walber, Matthew Stefanski, Steve Seidlitz, Editors
| Sensors and instrumentation, aircraft/aerospace, energy harvesting & dynamic environments testing . Volume 7 Proceedings of the 39th IMAC, a conference and exposition on structural dynamics 2021 / / Chad Walber, Matthew Stefanski, Steve Seidlitz, Editors |
| Pubbl/distr/stampa | Cham, Switzerland : , : Springer, , [2021] |
| Descrizione fisica | 1 online resource (250 pages) |
| Disciplina | 629.1 |
| Collana | Conference proceedings of the Society for Experimental Mechanics series, 39th Conference |
| Soggetto topico | Aerospace engineering |
| ISBN | 3-030-75988-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Sensors and instrumentation, aircraft/aerospace, energy harvesting and dynamic environments testing |
| Record Nr. | UNINA-9910522958303321 |
| Cham, Switzerland : , : Springer, , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting and Dynamic Environments Testing, Volume 7 : Proceedings of the 39th IMAC, a Conference and Exposition on Structural Dynamics 2021
| Sensors and Instrumentation, Aircraft/Aerospace, Energy Harvesting and Dynamic Environments Testing, Volume 7 : Proceedings of the 39th IMAC, a Conference and Exposition on Structural Dynamics 2021 |
| Autore | Walber Chad |
| Pubbl/distr/stampa | Cham : , : Springer International Publishing AG, , 2021 |
| Descrizione fisica | 1 online resource (250 pages) |
| Altri autori (Persone) |
StefanskiMatthew
SeidlitzSteve |
| Collana | Conference Proceedings of the Society for Experimental Mechanics Ser. |
| Soggetto genere / forma | Electronic books. |
| ISBN | 3-030-75988-1 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910502998203321 |
|
Walber Chad
|
||
| Cham : , : Springer International Publishing AG, , 2021 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||