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John A. Main
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Proceedings Papers

Control of Distributed Actuators Without Electrodes

John A. Main
Proc. ASME. IMECE97, Adaptive Structures and Material Systems, 61-66, November 16–21, 1997
Paper No: IMECE1997-0178
DOI: https://doi.org/10.1115/IMECE1997-0178
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Topics: Actuators, Electrodes, Cathode ray oscilloscopes, Electron beams, Electrons, Piezoelectric materials, Advanced materials, Design, Smart materials, Wire
Proceedings Papers

Shape Control of Deployable Membrane Mirrors

Jeffrey W. Martin, John A. Main, George C. Nelson
Proc. ASME. IMECE98, Adaptive Structures and Material Systems, 217-223, November 15–20, 1998
Paper No: IMECE1998-0956
DOI: https://doi.org/10.1115/IMECE1998-0956
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Topics: Membranes, Mirrors, Shapes, Telescopes, Electrons, Energy levels (Quantum mechanics), Glues, Universe, Weight (Mass)
Proceedings Papers

Development of a Test Bed for Evaluating Electron Gun Shape Correction of Distributed Structures

Jeffrey W. Martin, John A. Main, George C. Nelson
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 253-256, November 14–19, 1999
Paper No: IMECE1999-0551
DOI: https://doi.org/10.1115/IMECE1999-0551
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Topics: Electrons, Shapes, Testing
Proceedings Papers

Distributed Sensing and Shape Control of Piezoelectric Bimorph Mirrors

James M. Redmond, Patrick S. Barney, Tammy D. Henson, John A. Main, Jeffrey W. Martin
Proc. ASME. IMECE99, Adaptive Structures and Material Systems, 245-252, November 14–19, 1999
Paper No: IMECE1999-0550
DOI: https://doi.org/10.1115/IMECE1999-0550
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Topics: Mirrors, Shapes, Excitation, Algorithms, Electrons, Control algorithms, Corrective actions, Curve fitting, Deformation, Errors
Proceedings Papers

Precision Shaping of Deployable Thin Film Mirrors

Jeffrey W. Martin, James M. Redmond, Tammy D. Henson, John A. Main, George C. Nelson
Proc. ASME. IMECE2001, Adaptive Structures and Material Systems, 77-80, November 11–16, 2001
Paper No: IMECE2001/AD-23708
DOI: https://doi.org/10.1115/IMECE2001/AD-23708
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Topics: Mirrors, Thin films, Shapes, Electrons, Optics, Control systems, Optical mirrors, Telescopes
Proceedings Papers

Smart Material Control Without Wire Leads or Electrodes: New Methods and Devices

John A. Main
Proc. ASME. DETC97, Volume 1B: 16th Biennial Conference on Mechanical Vibration and Noise, V01BT09A002, September 14–17, 1997
Paper No: DETC97/VIB-3933
DOI: https://doi.org/10.1115/DETC97/VIB-3933
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Topics: Advanced materials, Electrodes, Electrons, Resolution (Optics), Smart materials, Wire, Cathode ray oscilloscopes, Design, Electron beams, Piezoelectric materials
Proceedings Papers

Structural Dynamics and Damage Detection of Foam-Rigidized Deployable Aerospace Structures

John A. Main, Suzanne Weaver Smith, Alexander L. Chapman, Kenneth Patrick Hobbs
Proc. ASME. DETC97, Volume 1D: 16th Biennial Conference on Mechanical Vibration and Noise, V01DT18A008, September 14–17, 1997
Paper No: DETC97/VIB-4232
DOI: https://doi.org/10.1115/DETC97/VIB-4232
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Topics: Aerospace industry, Damage, Design, Materials properties, Structural dynamics, Finite element model, Composite materials, Compression, Damage assessment, Dynamic testing (Engineering)
Proceedings Papers

Strain and Current Responses During Electron Flux Excitation of Piezoelectric Ceramics

Philip C. Hadinata, John A. Main
Proc. ASME. IMECE2002, Adaptive Structures and Materials Systems, 111-123, November 17–22, 2002
Paper No: IMECE2002-39013
DOI: https://doi.org/10.1115/IMECE2002-39013
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Topics: Electrons, Excitation, Piezoelectric ceramics, Electric fields, Electrodes, Dynamic response, Flow (Dynamics), Piezoelectric materials, Plates (structures), Quantum mechanics