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William W. Clark
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Proceedings Papers

Comparison of Active and Semi-Active Vibration Controllers for a Dragline Boom

William W. Clark, Sung Hwan Kim
Proc. ASME. IMECE96, Active Control of Vibration and Noise, 221-228, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0924
https://doi.org/10.1115/IMECE1996-0924
View Paper titled, Comparison of Active and Semi-Active Vibration Controllers for a Dragline Boom
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Topics: Control equipment, Vibration, Damping, Stiffness, Cranes, Degrees of freedom, Feedback, Flexible structures, Optimal control, Pole placement
Proceedings Papers

Hybrid Feedforward/Kalman-Filter Controller for Reaction Force Suppression

William W. Clark, Joo H. Kim, Franz J. Shelley
Proc. ASME. IMECE96, Active Control of Vibration and Noise, 379-388, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0943
https://doi.org/10.1115/IMECE1996-0943
View Paper titled, Hybrid Feedforward/Kalman-Filter Controller for Reaction Force Suppression
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Topics: Control equipment, Feedforward control, Kalman filters, Machinery, Algorithms, Bearings, Excitation, Failure, Flexible structures, Signals
Proceedings Papers

On the Performance vs. Energy Consumption Tradeoff With Semi-Active Vibration Control Using an MR-Fluid Damper

Jin Kyoo Lee, William W. Clark, Sung Hwan Kim
Proc. ASME. IMECE97, Active/Passive Vibration Control and Nonlinear Dynamics of Structures, 55-60, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0559
https://doi.org/10.1115/IMECE1997-0559
View Paper titled, On the Performance vs. Energy Consumption Tradeoff With Semi-Active Vibration Control Using an MR-Fluid Damper
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Topics: Dampers, Energy consumption, Fluids, Tradeoffs, Vibration control, Vibration, Cycles, Excitation, Vibration suppression
Proceedings Papers

Modeling of a Magnetorheological Fluid Damper Using Coaxial Cylinder Analysis

Abdulazim H. Falah, William W. Clark, Pradeep P. Phule
Proc. ASME. IMECE98, Vibration and Noise Control, 147-153, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0413
https://doi.org/10.1115/IMECE1998-0413
View Paper titled, Modeling of a Magnetorheological Fluid Damper Using Coaxial Cylinder Analysis
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Topics: Cylinders, Dampers, Fluids, Modeling, Pistons, Testing, Annulus, Clearances (Engineering), Fluid dynamics, Magnetic fields
Proceedings Papers

Fuzzy Logic Semi-Active Vibration Control

Sunghwan Kim, William W. Clark
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 367-372, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0564
https://doi.org/10.1115/IMECE1999-0564
View Paper titled, Fuzzy Logic Semi-Active Vibration Control
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Topics: Fuzzy logic, Vibration control, Actuators, Fluids, Artificial intelligence, Computer simulation, Control equipment, Dampers, Energy consumption, Excitation
Proceedings Papers

Stability of a Class of Piezoelectric State-Switching Methods

Andrew J. Kurdila, William W. Clark, Weijian Wang, Dwayne E. McDaniel
Proc. ASME. IMECE2000, Adaptive Structures and Material Systems, 509-517, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1742
https://doi.org/10.1115/IMECE2000-1742
View Paper titled, Stability of a Class of Piezoelectric State-Switching Methods
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Topics: Stability, Circuits, Dynamic systems, Piezoelectric actuators
Proceedings Papers

On the Number of Modes Required to Observe Forces in Flexible Structures

William W. Clark, Joo Hyung Kim, Roy D. Marangoni
Proc. ASME. DETC95, Volume 3C: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration Control, Analysis, and Identification, 885-894, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0655
https://doi.org/10.1115/DETC1995-0655
View Paper titled, On the Number of Modes Required to Observe Forces in Flexible Structures
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Topics: Flexible structures, Bearings, Displacement measurement, Distributed parameter systems, Kalman filters, Machinery, Stress
Proceedings Papers

Active Mode Localization in Distributed Parameter Systems With Consideration of Limited Actuator Placement

Franz J. Shelley, William W. Clark
Proc. ASME. DETC95, Volume 3C: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration Control, Analysis, and Identification, 207-214, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0575
https://doi.org/10.1115/DETC1995-0575
View Paper titled, Active Mode Localization in Distributed Parameter Systems With Consideration of Limited Actuator Placement
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Topics: Actuators, Distributed parameter systems, Eigenvalues, Sensors, Simply supported beams
Proceedings Papers

Experimental Performance of a Magnetorheological Fluid Damper

Dan Kroushl, Amy Nesbit, Jin Kyoo Lee, Roy D. Marangoni, William W. Clark, Darrin Schwartz, Pradeep P. Phulé
Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT11A001, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-3776
https://doi.org/10.1115/DETC97/VIB-3776
View Paper titled, Experimental Performance of a Magnetorheological Fluid Damper
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Topics: Dampers, Fluids, Flow (Dynamics), Magnetic fields, Actuators, Deformation, Disperse systems, Linear vibration, Magnetic particles, Rheology
Proceedings Papers

Comparison of Active and Hybrid Vibration Confinement With Conventional Active Vibration Control

Lawrence R. Corr, William W. Clark
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2647-2656, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8303
https://doi.org/10.1115/DETC99/VIB-8303
View Paper titled, Comparison of Active and Hybrid Vibration Confinement With Conventional Active Vibration Control
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Topics: Vibration, Vibration control
Proceedings Papers

Piezoceramic Springs for Structural Semi-Active Multi-Modal Vibration Control

Lawrence R. Corr, William W. Clark
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 1343-1351, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21460
https://doi.org/10.1115/DETC2001/VIB-21460
View Paper titled, Piezoceramic Springs for Structural Semi-Active Multi-Modal Vibration Control
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Topics: Piezoelectric ceramics, Springs, Stiffness, Vibration control
Proceedings Papers

Active Control of Dynamic Bearing Loads in Rotating Machinery Using Non-Invasive Measurements

William W. Clark, Joo-Hyung Kim, Roy D. Marangoni
Proc. ASME. GT1994, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T14A013, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-092
https://doi.org/10.1115/94-GT-092
View Paper titled, Active Control of Dynamic Bearing Loads in Rotating Machinery Using Non-Invasive Measurements
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Topics: Bearings, Machinery, Stress, Deflection, Computer simulation, Control equipment, Control systems, Errors, Feedforward control, Signals
Proceedings Papers

Bimorph Piezoelectric Cymbal Design in Energy Harvesting

Changki Mo, Steve Jordan, William W. Clark
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 345-351, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-7946
https://doi.org/10.1115/SMASIS2012-7946
View Paper titled, Bimorph Piezoelectric Cymbal Design in Energy Harvesting
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Topics: Design, Energy harvesting, Cavities, Circuits, Metals, Steel, Stress, Batteries, Capacitors, Composite materials
Proceedings Papers

Shape Characterization of a Simply Supported Beam in Morphing

Amin Mohaghegh Motlagh, William W. Clark
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 305-310, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-7938
https://doi.org/10.1115/SMASIS2012-7938
View Paper titled, Shape Characterization of a Simply Supported Beam in Morphing
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Topics: Shapes, Simply supported beams, Steady state
Proceedings Papers

Unimorph PZT Cymbal Design in Energy Harvesting

Changki Mo, Daniel Arnold, William C. Kinsel, William W. Clark
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 139-144, September 18–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2011-5005
https://doi.org/10.1115/SMASIS2011-5005
View Paper titled, Unimorph PZT Cymbal Design in Energy Harvesting
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Topics: Design, Energy harvesting, Stress, Diaphragms (Mechanical devices), Diaphragms (Structural), Bonding, Cavities, Circuits, Dimensions, Disks
Proceedings Papers

Smart Insulation for Thermal Control in Buildings

Wesley Knotts, Danielle Miller, Changki Mo, Laura A. Schaefer, William W. Clark
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 703-712, September 18–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2011-5007
https://doi.org/10.1115/SMASIS2011-5007
View Paper titled, Smart Insulation for Thermal Control in Buildings
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Topics: Insulation, Structures, Design, Heat, Heat transfer, Temperature gradient, Cooling, Energy consumption, Heating, Heating and cooling
Journal Articles

Fabrication and Energy Harvesting Measurements of Vibrating MEMS Piezoelectric Benders

Changki Mo, Ryan R. Knight, Amanda A. Frederick, William W. Clark
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2011, 133(1): 011006.
https://doi.org/10.1115/1.4002784
Published Online: December 17, 2010
View Article titled, Fabrication and Energy Harvesting Measurements of Vibrating MEMS Piezoelectric Benders
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Topics: Electrodes, Energy harvesting, Manufacturing, Microelectromechanical systems, Stress, Cantilevers
Journal Articles

Special Issue on Energy Harvesting

William W. Clark, Mohammed Daqaq, D. Dane Quinn
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Editorial
J. Vib. Acoust. February 2011, 133(1): 010201.
https://doi.org/10.1115/1.4002839
Published Online: December 3, 2010
View Article titled, Special Issue on Energy Harvesting
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Topics: Energy harvesting, Vibration, Structural acoustics
Proceedings Papers

Energy Harvesting by Vibrations With MEMS Piezoelectric Benders

Changki Mo, Ryan R. Knight, Amanda A. Frederick, William W. Clark
Proc. ASME. IDETC-CIE2009, Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 489-494, August 30–September 2, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DETC2009-87309
https://doi.org/10.1115/DETC2009-87309
View Paper titled, Energy Harvesting by Vibrations With MEMS Piezoelectric Benders
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Topics: Energy harvesting, Microelectromechanical systems, Vibration, Electrodes, Design, Resonance, Stress, Manufacturing
Proceedings Papers

Design and Fabrication of a Variable Stiffness Link for Use in an Unmanned Air Vehicle

Brad M. Boyerinas, William W. Clark, Lisa M. Weiland, Shiv Joshi
Proc. ASME. SMASIS2009, Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures, 317-323, September 21–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2009-1407
https://doi.org/10.1115/SMASIS2009-1407
View Paper titled, Design and Fabrication of a Variable Stiffness Link for Use in an Unmanned Air Vehicle
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Topics: Design, Manufacturing, Stiffness, Unmanned aerial vehicles, Deformation, Aircraft, Shapes, Stress, Structural elements (Construction), Testing