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R. M. Alexander
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Journal Articles

Detecting Parameter Changes Using Experimental Nonlinear Dynamics and Chaos

R. S. Chancellor, R. M. Alexander, S. T. Noah
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. July 1996, 118(3): 375–383.
DOI: https://doi.org/10.1115/1.2888193
Published Online: July 1, 1996
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Topics: Chaos, Nonlinear dynamics, Bifurcation, Phase space, Spectra (Spectroscopy), Time series
Journal Articles

Vibration Isolation in a Microgravity Environment

R. M. Alexander, C. H. Gerhold, C. B. Atwood, J. F. Cordera
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. October 1993, 115(4): 477–483.
DOI: https://doi.org/10.1115/1.2930375
Published Online: October 1, 1993
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Topics: Reduced gravity environments, Vibration isolation, Space stations, Air jets, Center of mass, Control systems, Jets, Stress
Journal Articles

Parametric Identification of a Vibratory System With a Clearance

R. M. Alexander, S. T. Noah, C. G. Franck
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. January 1993, 115(1): 25–32.
DOI: https://doi.org/10.1115/1.2930310
Published Online: January 1, 1993
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Topics: Clearances (Engineering), Finite element model
Journal Articles

Test and Theory for Piezoelectric Actuator-Active Vibration Control of Rotating Machinery

A. B. Palazzolo, R. R. Lin, R. M. Alexander, A. F. Kascak, J. Montague
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. April 1991, 113(2): 167–175.
DOI: https://doi.org/10.1115/1.2930165
Published Online: April 1, 1991
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Topics: Actuators, Machinery, Vibration control, Control systems, Jet engines, Piezoelectric actuators, Reliability, Rotors, Stability, Transients (Dynamics)
Journal Articles

Piezoelectric Pushers for Active Vibration Control of Rotating Machinery

A. B. Palazzolo, R. R. Lin, R. M. Alexander, A. F. Kascak, J. Montague
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. July 1989, 111(3): 298–305.
DOI: https://doi.org/10.1115/1.3269856
Published Online: July 1, 1989
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Topics: Machinery, Vibration control, NASA, Displacement, Feedback, Magnetic bearings, Stability, Stators, Stiffness, Vibration
Journal Articles

Active Control of Transient Rotordynamic Vibration by Optimal Control Methods

A. B. Palazzolo, R. R. Lin, A. F. Kascak, R. M. Alexander
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 1989, 111(2): 264–270.
DOI: https://doi.org/10.1115/1.3240246
Published Online: April 1, 1989
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Topics: Optimal control, Transients (Dynamics), Vibration, Sensors, Rotors, Vibration control, Actuators, Bearings, Blades, Closed loop systems
Journal Articles

Closure to “Discussion of ‘Experimentally Determined Dynamic Strains in an Elastic Mechanism’” (1975, ASME J. Eng. Ind., 97, p. 794)

R. M. Alexander, K. L. Lawrence
Journal: Journal of Manufacturing Science and Engineering
Article Type: Discussions
J. Manuf. Sci. Eng. August 1975, 97(3): 794.
DOI: https://doi.org/10.1115/1.3438681
Published Online: August 1, 1975
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Journal Articles

Experimentally Determined Dynamic Strains in an Elastic Mechanism

R. M. Alexander, K. L. Lawrence
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. August 1975, 97(3): 791–794.
DOI: https://doi.org/10.1115/1.3438679
Published Online: August 1, 1975
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Topics: Frequency response
Journal Articles

Closure to “Discussion of ‘An Experimental Investigation of the Dynamic Response of an Elastic Mechanism’” (1975, ASME J. Eng. Ind., 97, p. 379)

R. M. Alexander, K. L. Lawrence
Journal: Journal of Manufacturing Science and Engineering
Article Type: Discussions
J. Manuf. Sci. Eng. February 1975, 97(1): 379.
DOI: https://doi.org/10.1115/1.3438573
Published Online: February 1, 1975
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Topics: Dynamic response
Journal Articles

An Experimental Investigation of the Dynamic Response of an Elastic Mechanism

R. M. Alexander, K. L. Lawrence
Journal: Journal of Manufacturing Science and Engineering
Article Type: Research Papers
J. Manuf. Sci. Eng. February 1974, 96(1): 268–274.
DOI: https://doi.org/10.1115/1.3438309
Published Online: February 1, 1974
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Topics: Dynamic response, Computer software, Damping, Excitation, Impulse (Physics), Rotation, Steady state, Structural analysis