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Christopher D. Rahn
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Journal Articles

Design of a High-Concentration Microtracking Photovoltaic System

Gregory S. Brulo, Alex J. Grede, Andrew J. Ren, Christopher D. Rahn, Noel C. Giebink
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Design Innovation Paper
J. Mechanisms Robotics. December 2019, 11(6): 065001.
Paper No: JMR-17-1443
https://doi.org/10.1115/1.4044412
Published Online: October 8, 2019
View Article titled, Design of a High-Concentration Microtracking Photovoltaic System
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Topics: Actuators, Design, Kinematics, Wire, Photovoltaic power systems
Proceedings Papers

Design and Development of a Battery Internal Short Circuit Test Machine

Scott C. DeLaney, Mary B. Burbules, Mayank Garg, Adam S. Hollinger, Christopher D. Rahn
Proc. ASME. ES2017, ASME 2017 11th International Conference on Energy Sustainability, V001T01A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ES2017-3407
https://doi.org/10.1115/ES2017-3407
View Paper titled, Design and Development of a Battery Internal Short Circuit Test Machine
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Topics: Batteries, Circuits, Design, Machinery, Lithium, Chemistry, Density, Explosions, Failure, Fire
Proceedings Papers

A Dynamic Model of Electrostrictive Unimorph Actuators for Haptic Devices

Tahzib Safwat, Ryan Tosto, Michael D. Grissom, Christopher D. Rahn
Proc. ASME. IDETC-CIE2016, Volume 3: 18th International Conference on Advanced Vehicle Technologies; 13th International Conference on Design Education; 9th Frontiers in Biomedical Devices, V003T11A014, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60512
https://doi.org/10.1115/DETC2016-60512
View Paper titled, A Dynamic Model of Electrostrictive Unimorph Actuators for Haptic Devices
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Topics: Actuators, Dynamic models, Haptics, Conducting polymers, Displacement, Dynamics (Mechanics), Feedback, Frequency response, Piezoelectric materials, Stiffness
Proceedings Papers

Piezoelectric Compliant Mechanism Energy Harvesters Excited Under Large Base Accelerations

Xiaokun Ma, Susan Trolier-McKinstry, Christopher D. Rahn
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A049, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59196
https://doi.org/10.1115/DETC2016-59196
View Paper titled, Piezoelectric Compliant Mechanism Energy Harvesters Excited Under Large Base Accelerations
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Topics: Compliant mechanisms, Energy harvesting, Cantilevers, Excitation, Bridges (Structures), Displacement, Hinges, Robustness, Shapes, Simulation results
Proceedings Papers

An Intelligent Nail Design for Lithium Ion Battery Penetration Test

Tanvir R. Tanim, Mayank Garg, Christopher D. Rahn
Proc. ASME. ES2016, Volume 2: ASME 2016 Energy Storage Forum, V002T01A001, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ES2016-59073
https://doi.org/10.1115/ES2016-59073
View Paper titled, An Intelligent Nail Design for Lithium Ion Battery Penetration Test
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Topics: Design, Lithium-ion batteries, Thermocouples, Chemistry, Circuits, Data collection, Dynamics (Mechanics), Engineering prototypes, Failure, Flames
Journal Articles

Efficient Energy Harvesting Using Piezoelectric Compliant Mechanisms: Theory and Experiment

Xiaokun Ma, Andrew Wilson, Christopher D. Rahn, Susan Trolier-McKinstry
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2016, 138(2): 021005.
Paper No: VIB-15-1145
https://doi.org/10.1115/1.4032178
Published Online: January 20, 2016
View Article titled, Efficient Energy Harvesting Using Piezoelectric Compliant Mechanisms: Theory and Experiment
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Topics: Cantilevers, Compliant mechanisms, Design, Displacement, Energy harvesting, Mode shapes, Stiffness, Hinges, Boundary-value problems, Excitation
Proceedings Papers

Vibration Isolation of a Cantilever Beam Using Fluidic Flexible Matrix Composite Tubes

Kentaro Miura, Bin Zhu, Christopher D. Rahn, Edward C. Smith, Charles E. Bakis
Proc. ASME. IDETC-CIE2015, Volume 8: 27th Conference on Mechanical Vibration and Noise, V008T13A048, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47764
https://doi.org/10.1115/DETC2015-47764
View Paper titled, Vibration Isolation of a Cantilever Beam Using Fluidic Flexible Matrix Composite Tubes
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Topics: Cantilever beams, Composite materials, Vibration isolation, Circuits, Shear (Mechanics), Vibration, Absorption, Aerospace industry, Damping, Dimensions
Proceedings Papers

Efficient and Sensitive Energy Harvesting Using Piezoelectric MEMS Compliant Mechanisms

Xiaokun Ma, Hong Goo Yeo, Christopher D. Rahn, Susan Trolier-McKinstry
Proc. ASME. IDETC-CIE2015, Volume 8: 27th Conference on Mechanical Vibration and Noise, V008T13A042, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-47539
https://doi.org/10.1115/DETC2015-47539
View Paper titled, Efficient and Sensitive Energy Harvesting Using Piezoelectric MEMS Compliant Mechanisms
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Topics: Compliant mechanisms, Energy harvesting, Microelectromechanical systems, Bending (Stress), Bridges (Structures), Cantilevers, Displacement, Excitation, Hinges, Manufacturing
Proceedings Papers

Efficient Aeroelastic Energy Harvesting From HVAC Ducts

Xiaokun Ma, Christopher D. Rahn
Proc. ASME. DSCC2015, Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, V002T22A003, October 28–30, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2015-9851
https://doi.org/10.1115/DSCC2015-9851
View Paper titled, Efficient Aeroelastic Energy Harvesting From HVAC Ducts
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Topics: Ducts, Energy harvesting, HVAC equipment, Cantilever beams, Air conditioning, Boundary-value problems, Constitutive equations, Dynamics (Mechanics), Euler-Bernoulli beam theory, Failure
Proceedings Papers

Elevated Temperatures Can Extend the Life of Lithium Iron Phosphate Cells in Hybrid Electric Vehicles

Tanvir R. Tanim, Christopher D. Rahn, Niklas Legnedahl
Proc. ASME. DSCC2015, Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, V002T26A003, October 28–30, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2015-9763
https://doi.org/10.1115/DSCC2015-9763
View Paper titled, Elevated Temperatures Can Extend the Life of Lithium Iron Phosphate Cells in Hybrid Electric Vehicles
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Topics: Hybrid electric vehicles, Iron, Lithium, Temperature, Batteries, Cycles, Errors, Battery life, Electrolytes, Engineering simulation
Journal Articles

Fluidic Flexible Matrix Composite Vibration Absorber for a Cantilever Beam

Bin Zhu, Christopher D. Rahn, Charles E. Bakis
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2015, 137(2): 021005.
Paper No: VIB-14-1089
https://doi.org/10.1115/1.4029002
Published Online: April 1, 2015
View Article titled, Fluidic Flexible Matrix Composite Vibration Absorber for a Cantilever Beam
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Topics: Cantilever beams, Composite materials, Flow (Dynamics), Fluids, Inertia (Mechanics), Vibration, Vibration absorbers, Displacement, Secondary cells, Stiffness
Proceedings Papers

Experimental Characterization of a Cantilever Beam With a Fluidic Flexible Matrix Composite Vibration Treatment

Bin Zhu, Matthew J. Krott, Christopher D. Rahn, Charles E. Bakis
Proc. ASME. IDETC-CIE2014, Volume 8: 26th Conference on Mechanical Vibration and Noise, V008T11A009, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34966
https://doi.org/10.1115/DETC2014-34966
View Paper titled, Experimental Characterization of a Cantilever Beam With a Fluidic Flexible Matrix Composite Vibration Treatment
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Topics: Cantilever beams, Composite materials, Experimental characterization, Vibration, Circuits, Damping, Resonance, Absorption, Cantilevers, Fluids
Journal Articles

The Lithium-Ion Battery Modeling Challenge

Donald J. Docimo, Mohammad Ghanaatpishe, Michael J. Rothenberger, Christopher D. Rahn, Hosam I. Fathy
Journal: Mechanical Engineering
Publisher: ASME
Article Type: Select Article
Mechanical Engineering. June 2014, 136(06): S7–S14.
Paper No: ME-14-JUN5
https://doi.org/10.1115/6.2014-Jun-5
Published Online: June 1, 2014
View Article titled, The Lithium-Ion Battery Modeling Challenge
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Topics: Batteries, Lithium-ion batteries, Modeling, Damage, Dynamics (Mechanics), Electrodes, Lithium
Journal Articles

Model-Based Shape Estimation for Soft Robotic Manipulators: The Planar Case

Deepak Trivedi, Christopher D. Rahn
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. May 2014, 6(2): 021005.
Paper No: JMR-12-1154
https://doi.org/10.1115/1.4026338
Published Online: March 4, 2014
View Article titled, Model-Based Shape Estimation for Soft Robotic Manipulators: The Planar Case
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Topics: Cables, Manipulators, Shapes, Stress, Errors, Boundary-value problems, Sensors
Proceedings Papers

Evaluation of Millimeter-Size Fluidic Flexible Matrix Composite Tubes

Aniruddh Vashisth, Bin Zhu, Benjamin M. Wimmer, Charles E. Bakis, Christopher D. Rahn
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T06A029, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3344
https://doi.org/10.1115/SMASIS2013-3344
View Paper titled, Evaluation of Millimeter-Size Fluidic Flexible Matrix Composite Tubes
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Topics: Composite materials, Pressure, Shapes, Stiffness, Damping, Elastic moduli, Elasticity, Fibers, Fluid dynamics, Steel
Proceedings Papers

Tunable Vibration Absorption of a Cantilever Beam Utilizing Fluidic Flexible Matrix Composites

Bin Zhu, Christopher D. Rahn, Charles E. Bakis
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A079, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12580
https://doi.org/10.1115/DETC2013-12580
View Paper titled, Tunable Vibration Absorption of a Cantilever Beam Utilizing Fluidic Flexible Matrix Composites
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Topics: Absorption, Cantilever beams, Composite materials, Vibration, Flow (Dynamics), Fluids, Inertia (Mechanics), Vibration absorbers, Anisotropy, Bonding
Proceedings Papers

Development of a First Principles Equivalent Circuit Model for a Lithium Ion Battery

Githin K. Prasad, Christopher D. Rahn
Proc. ASME. DSCC2012-MOVIC2012, Volume 2: Legged Locomotion; Mechatronic Systems; Mechatronics; Mechatronics for Aquatic Environments; MEMS Control; Model Predictive Control; Modeling and Model-Based Control of Advanced IC Engines; Modeling and Simulation; Multi-Agent and Cooperative Systems; Musculoskeletal Dynamic Systems; Nano Systems; Nonlinear Systems; Nonlinear Systems and Control; Optimal Control; Pattern Recognition and Intelligent Systems; Power and Renewable Energy Systems; Powertrain Systems, 369-375, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8607
https://doi.org/10.1115/DSCC2012-MOVIC2012-8607
View Paper titled, Development of a First Principles Equivalent Circuit Model for a Lithium Ion Battery
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Topics: Circuits, Lithium-ion batteries, Particulate matter, Approximation, Electrolytes, Design, Diffusion (Physics), Dynamics (Mechanics), Electric vehicles, Electrochemical impedance spectroscopy
Proceedings Papers

Model-Based State-of-Charge Estimation for a Valve-Regulated Lead-Acid Battery

Zheng Shen, Christopher D. Rahn
Proc. ASME. DSCC2012-MOVIC2012, Volume 1: Adaptive Control; Advanced Vehicle Propulsion Systems; Aerospace Systems; Autonomous Systems; Battery Modeling; Biochemical Systems; Control Over Networks; Control Systems Design; Cooperative and Decentralized Control; Dynamic System Modeling; Dynamical Modeling and Diagnostics in Biomedical Systems; Dynamics and Control in Medicine and Biology; Estimation and Fault Detection; Estimation and Fault Detection for Vehicle Applications; Fluid Power Systems; Human Assistive Systems and Wearable Robots; Human-in-the-Loop Systems; Intelligent Transportation Systems; Learning Control, 279-286, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8540
https://doi.org/10.1115/DSCC2012-MOVIC2012-8540
View Paper titled, Model-Based State-of-Charge Estimation for a Valve-Regulated Lead-Acid Battery
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Topics: Lead-acid batteries, Valves, Batteries, Design, Dynamics (Mechanics), Errors
Proceedings Papers

Capacity Recovery of a Sulfated Lead-Acid Battery Using Pressure Feedback Charging Control

Ying Shi, Christopher A. Ferone, Christopher D. Rahn
Proc. ASME. DSCC2012-MOVIC2012, Volume 1: Adaptive Control; Advanced Vehicle Propulsion Systems; Aerospace Systems; Autonomous Systems; Battery Modeling; Biochemical Systems; Control Over Networks; Control Systems Design; Cooperative and Decentralized Control; Dynamic System Modeling; Dynamical Modeling and Diagnostics in Biomedical Systems; Dynamics and Control in Medicine and Biology; Estimation and Fault Detection; Estimation and Fault Detection for Vehicle Applications; Fluid Power Systems; Human Assistive Systems and Wearable Robots; Human-in-the-Loop Systems; Intelligent Transportation Systems; Learning Control, 287-291, October 17–19, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2012-MOVIC2012-8584
https://doi.org/10.1115/DSCC2012-MOVIC2012-8584
View Paper titled, Capacity Recovery of a Sulfated Lead-Acid Battery Using Pressure Feedback Charging Control
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Topics: Feedback, Lead-acid batteries, Pressure, Water, Batteries, Control equipment, Corrosion, Cycles, Failure, Valves
Proceedings Papers

Coupled Pitch Links for Multi-Harmonic Isolation Using Fluidic Circuits

Lloyd H. Scarborough, III, Christopher D. Rahn, Edward C. Smith, Kevin L. Koudela
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 819-827, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70334
https://doi.org/10.1115/DETC2012-70334
View Paper titled, Coupled Pitch Links for Multi-Harmonic Isolation Using Fluidic Circuits
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Topics: Circuits, Stress, Fluidic devices, Blades, Fluids, Rotors, Simulation results