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Nelson Sepulveda
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Proceedings Papers

Highly Stretchable Resistive Strain Sensors Using Multiple Viscous Conductive Materials

Hongyang Shi, Xinda Qi, Yunqi Cao, Nelson Sepúlveda, Chuan Wang, Xiaobo Tan
Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T01A012, September 15, 2020
Paper No: SMASIS2020-2321
DOI: https://doi.org/10.1115/SMASIS2020-2321
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Topics: Carbon, Strain gages, Strain sensors
Proceedings Papers

Characterization of a 3D-Printed Conductive PLA Material With Electrically Controlled Stiffness

Mohammed Al-Rubaiai, Thassyo Pinto, David Torres, Nelson Sepulveda, Xiaobo Tan
Proc. ASME. SMASIS2017, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V001T01A003, September 18–20, 2017
Paper No: SMASIS2017-3801
DOI: https://doi.org/10.1115/SMASIS2017-3801
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Topics: Additive manufacturing, Stiffness, Temperature, Composite materials, Electrical resistivity, Young's modulus, Biomedicine, Design, Electrical conductivity, Electrical properties
Proceedings Papers

Influence of VO 2 Thin Film Coatings on the Performance of Integrated MEMS Bridges and Cantilevers

Yunqi Cao, David Torres, Tongyu Wang, Nelson Sepúlveda
Proc. ASME. SMASIS2016, Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring, V001T02A010, September 28–30, 2016
Paper No: SMASIS2016-9217
DOI: https://doi.org/10.1115/SMASIS2016-9217
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Topics: Bridges (Structures), Cantilevers, Coatings, Microelectromechanical systems, Thin films, Phase transitions, Compressive stress, Electrical properties, Silicon, Stress
Proceedings Papers

Experimental Characterization of the Dynamics of VO 2 -Based MEMS Mirrors

David Torres, Tongyu Wang, Jun Zhang, Sarah Dooley, Xiaobo Tan, Nelson Sepúlveda
Proc. ASME. SMASIS2016, Volume 1: Multifunctional Materials; Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Structural Health Monitoring, V001T02A005, September 28–30, 2016
Paper No: SMASIS2016-9129
DOI: https://doi.org/10.1115/SMASIS2016-9129
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Topics: Dynamics (Mechanics), Experimental characterization, Microelectromechanical systems, Mirrors, Frequency response, Design, Displacement, Resonance, Trains
Proceedings Papers

A Hysteresis-Compensated Self-Sensing Scheme for Vanadium Dioxide-Coated Microactuators

Jun Zhang, David Torres, Emmanuelle Merced, Nelson Sepúlveda, Xiaobo Tan
Proc. ASME. DSCC2014, Volume 3: Industrial Applications; Modeling for Oil and Gas, Control and Validation, Estimation, and Control of Automotive Systems; Multi-Agent and Networked Systems; Control System Design; Physical Human-Robot Interaction; Rehabilitation Robotics; Sensing and Actuation for Control; Biomedical Systems; Time Delay Systems and Stability; Unmanned Ground and Surface Robotics; Vehicle Motion Controls; Vibration Analysis and Isolation; Vibration and Control for Energy Harvesting; Wind Energy, V003T45A006, October 22–24, 2014
Paper No: DSCC2014-6222
DOI: https://doi.org/10.1115/DSCC2014-6222
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Topics: Microactuators, Deflection, Composite materials, Polynomials, Errors, Feedback, Density, Silicon
Proceedings Papers

Optimal Compression of a Generalized Prandtl-Ishlinskii Operator in Hysteresis Modeling

Jun Zhang, Emmanuelle Merced, Nelson Sepúlveda, Xiaobo Tan
Proc. ASME. DSCC2013, Volume 3: Nonlinear Estimation and Control; Optimization and Optimal Control; Piezoelectric Actuation and Nanoscale Control; Robotics and Manipulators; Sensing; System Identification (Estimation for Automotive Applications, Modeling, Therapeutic Control in Bio-Systems); Variable Structure/Sliding-Mode Control; Vehicles and Human Robotics; Vehicle Dynamics and Control; Vehicle Path Planning and Collision Avoidance; Vibrational and Mechanical Systems; Wind Energy Systems and Control, V003T36A005, October 21–23, 2013
Paper No: DSCC2013-3969
DOI: https://doi.org/10.1115/DSCC2013-3969
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Topics: Compression, Modeling, Entropy, Dynamic programming, Errors, Hinges, Temperature
Proceedings Papers

Modeling of Non-Monotonic Hysteresis Behavior in VO 2 -Coated Microactuators

Jun Zhang, Emmanuelle Merced, Nelson Sepúlveda, Xiaobo Tan
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 311-320, September 19–21, 2012
Paper No: SMASIS2012-7940
DOI: https://doi.org/10.1115/SMASIS2012-7940
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Topics: Microactuators, Modeling, Phase transitions, Actuators, Cantilevers, Physics, Silicon, Temperature, Thermal expansion
Proceedings Papers

Characterization of Work per Volume Density of VO 2 -Based MEMS Actuators

Emmanuelle Merced, Jun Zhang, Xiaobo Tan, Nelson Sepúlveda
Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 19-25, September 19–21, 2012
Paper No: SMASIS2012-7919
DOI: https://doi.org/10.1115/SMASIS2012-7919
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Topics: Actuators, Density, Microelectromechanical systems, Microactuators, Microcantilevers, Atomic force microscopy, Cooling, Cycles, Displacement, Heating