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Proceedings Papers

Development of Piezoelectrically Actuated Elastodynamic Flapping Micro-Aerial Vehicles

Adam Cox, Daniel J. Monopoli, Michael Goldfarb, Ephrahim Garcia
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 257-262, November 14–19, 1999
Paper No: IMECE1999-0552
DOI: https://doi.org/10.1115/IMECE1999-0552
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Topics: Actuators, Bending (Stress), Degrees of freedom, Dynamics (Mechanics), Flexure mechanisms, Flight, Linkages, Materials properties, Motors, Piezoelectric actuators
Proceedings Papers

The Application of Probability Theory to Model Updating

Loukas Papadopoulos, Ephrahim Garcia
Proc. ASME. DETC97, Volume 1B: 16th Biennial Conference on Mechanical Vibration and Noise, V01BT10A004, September 14–17, 1997
Paper No: DETC97/VIB-4168
DOI: https://doi.org/10.1115/DETC97/VIB-4168
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Topics: Aluminum, Cantilevers, Eigenvalues, Engineering simulation, Errors, Finite element model, Mode shapes, Probability, Simulation, Statistics
Proceedings Papers

Finite Element Error Localization Using the Error Matrix Method

Michael Papadopoulos, Ephrahim Garcia
Proc. ASME. DETC97, Volume 1B: 16th Biennial Conference on Mechanical Vibration and Noise, V01BT10A008, September 14–17, 1997
Paper No: DETC97/VIB-4169
DOI: https://doi.org/10.1115/DETC97/VIB-4169
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Topics: Errors, Finite element analysis, Degrees of freedom, Iterative methods, Nonlinear equations
Journal Articles

Effects of Bladder Geometry in Pneumatic Artificial Muscles

Erick Ball, Ephrahim Garcia
Journal: Journal of Medical Devices
Article Type: Research-Article
J. Med. Devices. December 2016, 10(4): 041001.
Paper No: MED-14-1004
DOI: https://doi.org/10.1115/1.4033325
Published Online: August 5, 2016
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Topics: Muscle, Pressure, Actuators
Journal Articles

Generalized Solutions of Piezoelectric Vibration-Based Energy Harvesting Structures Using an Electromechanical Transfer Matrix Method

Timothy Reissman, Adam Wickenheiser, Ephrahim Garcia
Journal: Journal of Vibration and Acoustics
Article Type: Research-Article
J. Vib. Acoust. August 2016, 138(4): 041001.
Paper No: VIB-14-1042
DOI: https://doi.org/10.1115/1.4033261
Published Online: May 4, 2016
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Topics: Energy harvesting, Frequency response, Mode shapes, Piezoelectricity, Vibration, Cantilevers, Design, Geometry
Proceedings Papers

Power Savings of a Variable Recruitment Hydraulic Artificial Muscle Actuation Scheme

Michael Meller, Ephrahim Garcia
Proc. ASME. SMASIS2014, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T06A017, September 8–10, 2014
Paper No: SMASIS2014-7718
DOI: https://doi.org/10.1115/SMASIS2014-7718
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Topics: Muscle, Fibers, Valves, Actuators, Cylinders, Engines, Hydraulic drive systems, Motors, Pressure drop, Stress
Proceedings Papers

Toward Variable Recruitment Fluidic Artificial Muscles

Matthew Bryant, Michael A. Meller, Ephrahim Garcia
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T06A014, September 16–18, 2013
Paper No: SMASIS2013-3136
DOI: https://doi.org/10.1115/SMASIS2013-3136
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Topics: Muscle, Actuators, Design, Stress, Biomimetics, Circuits, Engineering prototypes, Experimental characterization, Fibers, Manufacturing
Proceedings Papers

Testing of Vibrational Energy Harvesting on Flying Birds

Michael W. Shafer, Robert MacCurdy, Ephrahim Garcia
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A004, September 16–18, 2013
Paper No: SMASIS2013-3063
DOI: https://doi.org/10.1115/SMASIS2013-3063
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Topics: Energy harvesting, Testing
Proceedings Papers

Energetic and Dynamic Effects of Operating Fluid on Fluidic Artificial Muscle Actuators

Michael A. Meller, Matthew J. Bryant, Ephrahim Garcia
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T06A019, September 16–18, 2013
Paper No: SMASIS2013-3210
DOI: https://doi.org/10.1115/SMASIS2013-3210
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Topics: Actuators, Fluids, Muscle, Damping, Compressed air, Compressibility, Dynamic response, Dynamic testing (Engineering), Elastic constants, Free vibrations
Journal Articles

The Power and Efficiency Limits of Piezoelectric Energy Harvesting

Michael W. Shafer, Ephrahim Garcia
Journal: Journal of Vibration and Acoustics
Article Type: Research-Article
J. Vib. Acoust. April 2014, 136(2): 021007.
Paper No: VIB-13-1022
DOI: https://doi.org/10.1115/1.4025996
Published Online: December 24, 2013
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Topics: Energy harvesting, Excitation, Resonance, Stress, Damping, Piezoelectric materials
Proceedings Papers

A Practical Power Maximization Design Guide for Piezoelectric Energy Harvesters Inspired by Avian Bio-Loggers

Michael W. Shafer, Matthew Bryant, Ephrahim Garcia
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 819-828, September 19–21, 2012
Paper No: SMASIS2012-8071
DOI: https://doi.org/10.1115/SMASIS2012-8071
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Topics: Design, Energy harvesting
Proceedings Papers

Investigation of Host Structure Compliance in Aeroelastic Energy Harvesting

Matthew Bryant, Ricky Tse, Ephrahim Garcia
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 769-775, September 19–21, 2012
Paper No: SMASIS2012-7978
DOI: https://doi.org/10.1115/SMASIS2012-7978
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Topics: Energy harvesting, Flutter (Aerodynamics), Limit cycles, Oscillations, Vibration, Excitation, Flow (Dynamics), Fluid dynamics, Stress, Wind velocity
Proceedings Papers

Multi-Source Energy Harvesting Schemes With Piezoelectrics and Photovoltaics on an Avian Bio-Logger Draft

Alexander Schlichting, Michael Shafer, Ephrahim Garcia
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 859-867, September 19–21, 2012
Paper No: SMASIS2012-8130
DOI: https://doi.org/10.1115/SMASIS2012-8130
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Topics: Energy harvesting, Photovoltaics, Solar energy, Cycles, Lithium
Proceedings Papers

Passive Multi-Source Energy Harvesting Schemes: Multiplicity of Piezoelectrics

Alexander Schlichting, Rashi Tiwari, Ephrahim Garcia
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 333-343, September 18–21, 2011
Paper No: SMASIS2011-5150
DOI: https://doi.org/10.1115/SMASIS2011-5150
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Topics: Energy harvesting, Circuits, Topology, Batteries, Capacitors, Engineering simulation, Sensors, Simulation, Simulation results, Storage
Proceedings Papers

Maximum and Practical Sustainably Harvestable Vibrational Power From Avian Subjects

Michael W. Shafer, Ephrahim Garcia
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 353-359, September 18–21, 2011
Paper No: SMASIS2011-5167
DOI: https://doi.org/10.1115/SMASIS2011-5167
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Topics: Energy harvesting, Flight
Proceedings Papers

Synergistic Wake Interactions in Aeroelastic Flutter Vibration Energy Harvester Arrays

Matthew Bryant, Ranjeev L. Mahtani, Ephrahim Garcia
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 271-277, September 18–21, 2011
Paper No: SMASIS2011-5103
DOI: https://doi.org/10.1115/SMASIS2011-5103
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Topics: Energy harvesting, Flutter (Aerodynamics), Vibration, Wakes, Oscillations, Flow (Dynamics), Locks (Waterways), Separation (Technology), Wind energy, Wind tunnels
Proceedings Papers

Energy Harvesting Circuit for Pulse Generator

Rashi Tiwari, Alex Schlichting, Yuan Zhang, Danielle Juliana Feldman, Ephrahim Garcia
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 215-222, September 18–21, 2011
Paper No: SMASIS2011-5054
DOI: https://doi.org/10.1115/SMASIS2011-5054
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Topics: Circuits, Energy harvesting, Generators, Electronics, Signals, Batteries, Maintenance, Shrinkage (Materials), Solar energy, Vibration
Proceedings Papers

Combined AC and DC Energy Harvesting Methods

Alexander Schlichting, Rashi Tiwari, Ephrahim Garcia
Proc. ASME. SMASIS2010, ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 237-244, September 28–October 1, 2010
Paper No: SMASIS2010-3778
DOI: https://doi.org/10.1115/SMASIS2010-3778
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Topics: Energy harvesting, Circuits, Energy resources, Electronics, Experimental analysis, Robustness, Sensors, Structural health monitoring, Surveillance, Wireless sensor networks
Proceedings Papers

Investgation of Wake Effects in Aeroelastic Flutter Vibration Energy Harvesting

Matthew J. Bryant, Michael E. Isenberg, Ephrahim Garcia
Proc. ASME. SMASIS2010, ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 575-582, September 28–October 1, 2010
Paper No: SMASIS2010-3772
DOI: https://doi.org/10.1115/SMASIS2010-3772
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Topics: Energy harvesting, Flutter (Aerodynamics), Vibration, Wakes, Degrees of freedom, Design, Electric current, Flow (Dynamics), Fluid dynamics, Limit cycles
Proceedings Papers

Multi-Source Power Harvester for Cyborg Micro Air Vehicle

Rashi Tiwari, Alex Schlichting, John Henry Harris, Timothy Reissman, Ephrahim Garcia
Proc. ASME. IDETC-CIE2010, Volume 4: 12th International Conference on Advanced Vehicle and Tire Technologies; 4th International Conference on Micro- and Nanosystems, 669-676, August 15–18, 2010
Paper No: DETC2010-28524
DOI: https://doi.org/10.1115/DETC2010-28524
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Topics: Vehicles, Energy harvesting, Flight, Energy generation, Photovoltaic cells, Piezoelectric ceramics, Surveillance, Vibration