Prof. Keith A. Williams Profile

Prof. Keith A. Williams

Assistant Professor at Univ of Alabama at Tuscaloosa

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Author

Publications (10)

Proceedings Article | 27 April 2011 Paper

Band-pass design optimization of piezoelectric cantilever bimorph energy harvester

Long Zhang, Keith Williams

Proceedings Volume 7977, 79772M (2011) https://doi.org/10.1117/12.895381

KEYWORDS: Finite element methods, Energy harvesting, Mechanical engineering, Bandpass filters, Dielectrics, Electronics, Piezoelectric effects, 3D modeling, Sensor networks, Matrices

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Proceedings Article | 30 March 2009 Paper

Enhanced modeling of resonant frequency of piezoelectric bimorph cantilever energy harvester

Long Zhang, Keith Williams

Proceedings Volume 7292, 72923N (2009) https://doi.org/10.1117/12.819369

KEYWORDS: Ferroelectric materials, Finite element methods, Energy harvesting, Microelectronics, Optical simulations, Sensor networks, Sensors, Composites, Beam shaping, Intelligence systems

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Proceedings Article | 27 March 2006 Paper

Comparison of actuators for semi-active torsional vibration control

Shaochun Ye, Keith Williams

Proceedings Volume 6166, 61661E (2006) https://doi.org/10.1117/12.658818

KEYWORDS: Actuators, Vibration control, Control systems, Magnetism, Particles, Data modeling, Computer programming, Mathematical modeling, Analytical research, Shape memory alloys

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Proceedings Article | 16 May 2005 Paper

Torsional vibration control with an MR fluid brake

Shaochun Ye, Keith Williams

Proceedings Volume 5760, (2005) https://doi.org/10.1117/12.600174

KEYWORDS: Control systems, Vibration control, Computer programming, Actuators, Aluminum, Bismuth, System identification, Head, Linear filtering, Electronic filtering

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Proceedings Article | 29 July 2004 Paper

Use of genetic algorithms to tune vibration dampers for multi-mode systems with complex periodic inputs

Shaochun Ye, Dnyanesh Anaspure, Keith Williams, Kenneth Graham, Charles Karr

Proceedings Volume 5386, (2004) https://doi.org/10.1117/12.540236

KEYWORDS: Combustion, Genetic algorithms, Complex systems, Chromium, Kinematics, Vibration control, Structural design, Computer simulations, Systems modeling, Mechanical engineering

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Proceedings Article | 29 July 2004 Paper

Online adaptation to maximize the tradeoff between tuned vibration absorbers and tuned vibration dampers

Keith Williams

Proceedings Volume 5386, (2004) https://doi.org/10.1117/12.540250

KEYWORDS: Control systems, Vibration control, Switches, Systems modeling, Device simulation, Modulation, Signal attenuation, Logic, Fourier transforms, Computer simulations

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Proceedings Article | 26 July 2004 Paper

Semi-active control of torsional vibrations using an MR fluid brake

Keith Williams, Shaochun Ye

Proceedings Volume 5390, (2004) https://doi.org/10.1117/12.540079

KEYWORDS: Vibration control, Control systems, Chemical elements, Algorithm development, Shape memory alloys, Amplifiers, Computer programming, Logic, Actuators, Magnetism

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Proceedings Article | 15 July 2002 Paper

Feedback control of an active material adaptive-tuned vibration absorber using relative phase

Keith Williams, George Chiu, Robert Bernhard

Proceedings Volume 4701, (2002) https://doi.org/10.1117/12.474659

KEYWORDS: Shape memory alloys, Control systems, Algorithm development, Calcium, Systems modeling, Data modeling, Feedback control, Signal attenuation, Mathematical modeling, Mechanical engineering

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Proceedings Article | 19 June 2000 Paper

Controlled continuous tuning of an adaptively tunable vibration absorber incorporating shape memory alloys

Keith Williams, George Chiu, Robert Bernhard

Proceedings Volume 3984, (2000) https://doi.org/10.1117/12.388800

KEYWORDS: Shape memory alloys, Control systems, Device simulation, Signal attenuation, Vibration control, Data acquisition, Temperature metrology, Power supplies, Current controlled current source, Nonlinear filtering

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Proceedings Article | 9 June 1999 Paper

Passive-adaptive vibration absorbers using shape memory alloys

Keith Williams, George Chiu, Robert Bernhard

Proceedings Volume 3668, (1999) https://doi.org/10.1117/12.350738

KEYWORDS: Shape memory alloys, Vibration control, Signal attenuation, Amplifiers, Sun, Chemical elements, Adaptive control, Actuators, Power supplies, Sensors

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Showing 5 of 10 publications

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