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Journal Articles

Sub-Second Prediction of the Heatmap of Powder-Beds in Additive Manufacturing Using Deep Encoder–Decoder Convolutional Neural Networks

Ardalan R. Sofi, Bahram Ravani

J. Comput. Inf. Sci. Eng. April 2023, 23(2): 021008.

Paper No: JCISE-22-1035

DOI: https://doi.org/10.1115/1.4054559

Published Online: June 7, 2022

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Topics: Artificial neural networks, Lasers, Physics, Simulation, Additive manufacturing, Temperature, Manufacturing, Trajectories (Physics)

Proceedings Papers

On First-Order Decoupling of Equations of Motion for Constrained Dynamical Systems

Timothy A. Loduha, Bahram Ravani

Proc. ASME. DETC93, 19th Design Automation Conference: Volume 1 — Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization, 17-23, September 19–22, 1993

Paper No: DETC1993-0288

DOI: https://doi.org/10.1115/DETC1993-0288

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Topics: Dynamic systems, Equations of motion, Relaxation (Physics), Simulation

Proceedings Papers

Bézier Curves on Riemannian Manifolds and Lie Groups With Kinematics Applications

Frank C. Park, Bahram Ravani

Proc. ASME. DETC94, 23rd Biennial Mechanisms Conference: Mechanism Synthesis and Analysis, 15-21, September 11–14, 1994

Paper No: DETC1994-0173

DOI: https://doi.org/10.1115/DETC1994-0173

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Topics: Kinematics, Manifolds, Algorithms, Algebra, Interpolation, Space, Trajectories (Physics)

Proceedings Papers

Contact Stress Analysis in Ball Screw Mechanism Using the Tubular Medial Axis Representation of Contacting Surfaces

Huai-Te T. Huang, Bahram Ravani

Proc. ASME. DETC95, Volume 1: 21st Design Automation Conference, 749-756, September 17–20, 1995

Paper No: DETC1995-0098

DOI: https://doi.org/10.1115/DETC1995-0098

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Topics: Screws, Stress analysis (Engineering), Bearings, Deformation, Design engineering, Geometry, Stress, Thread

Proceedings Papers

Design of Tactile Fixtures for Robotics and Manufacturing

Walter W. Nederbragt, Bahram Ravani

Proc. ASME. DETC-CIE96, Volume 2A: 24th Biennial Mechanisms Conference, V02AT02A001, August 18–22, 1996

Paper No: 96-DETC/MECH-1155

DOI: https://doi.org/10.1115/96-DETC/MECH-1155

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Topics: Design, Manufacturing, Robotics, Calibration, Sensors

Proceedings Papers

Ruled Surfaces, Lie Groups, and Mesh Generation

Kenneth Sprott, Bahram Ravani

Proc. ASME. DETC97, Volume 2: 23rd Design Automation Conference, V002T29A070, September 14–17, 1997

Paper No: DETC97/DAC-3996

DOI: https://doi.org/10.1115/DETC97/DAC-3996

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Topics: Mesh generation, B-splines, Computational methods, Design, Displacement, Finite element analysis

Proceedings Papers

Differential Geometric Analysis of Singularities of Point Trajectories of Serial and Parallel Manipulators

Ashitava Ghosal, Bahram Ravani

Proc. ASME. DETC98, Volume 1A: 25th Biennial Mechanisms Conference, V01AT01A025, September 13–16, 1998

Paper No: DETC98/MECH-5967

DOI: https://doi.org/10.1115/DETC98/MECH-5967

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Topics: Manipulators, Degrees of freedom, Geometry, Shapes, Trajectories (Physics)

Proceedings Papers

A Dual Ellipse Is a Cylindroid

Ashitava Ghosal, Bahram Ravani

Proc. ASME. DETC98, Volume 1B: 25th Biennial Mechanisms Conference, V01BT01A032, September 13–16, 1998

Paper No: DETC98/MECH-5884

DOI: https://doi.org/10.1115/DETC98/MECH-5884

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Topics: Eigenvalues, Kinematics

Proceedings Papers

Kinematic Fixturing With Respect to a Plane Using Contact Sensing

Walter W. Nederbragt, Bahram Ravani

Proc. ASME. DETC98, Volume 1B: 25th Biennial Mechanisms Conference, V01BT01A064, September 13–16, 1998

Paper No: DETC98/MECH-5907

DOI: https://doi.org/10.1115/DETC98/MECH-5907

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Topics: Algorithms, Cylinders, Fixturing, Kinematics, Robotics

Proceedings Papers

Design of a Novel Fixture for Part Referencing

Walter W. Nederbragt, Bahram Ravani

Proc. ASME. DETC98, Volume 1B: 25th Biennial Mechanisms Conference, V01BT01A065, September 13–16, 1998

Paper No: DETC98/MECH-5986

DOI: https://doi.org/10.1115/DETC98/MECH-5986

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Topics: Design, Geometry

Proceedings Papers

Geometric Criteria for Gouge-Free Three-Axis Milling of Sculptured Surfaces

Helmut Pottmann, Johannes Wallner, Georg Glaeser, Bahram Ravani

Proc. ASME. DETC98, Volume 1A: 25th Biennial Mechanisms Conference, V01AT01A084, September 13–16, 1998

Paper No: DETC98/MECH-5874

DOI: https://doi.org/10.1115/DETC98/MECH-5874

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Topics: Chisels, Milling, Shapes, Collisions (Physics), Computation

Proceedings Papers

A Computational Method for Formulation and Solution of Dynamical Equations for Complex Mechanisms and Multibody Systems

Kristopher Wehage, Bahram Ravani

Proc. ASME. IDETC-CIE2017, Volume 5A: 41st Mechanisms and Robotics Conference, V05AT08A031, August 6–9, 2017

Paper No: DETC2017-67766

DOI: https://doi.org/10.1115/DETC2017-67766

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Topics: Computational methods, Multibody systems, Equations of motion, Kinematics, Bifurcation, Linkages, Simulation

Proceedings Papers

A Non-Iterative Carrier Phase Differential GNSS Kinematic Localization Method

Mohammad Hadi Tabatabaee, Bahram Ravani

Proc. ASME. IDETC-CIE2017, Volume 3: 19th International Conference on Advanced Vehicle Technologies; 14th International Conference on Design Education; 10th Frontiers in Biomedical Devices, V003T01A007, August 6–9, 2017

Paper No: DETC2017-68209

DOI: https://doi.org/10.1115/DETC2017-68209

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Topics: Kinematics, Vehicles, Errors, Iterative methods, Roads, Surface roughness

Journal Articles

A Control-Theoretic Model for Human Time-Motion Evaluation in Pick-and-Place Operations

Chao Wang, Bahram Ravani, Ronald A. Hess

J. Dyn. Sys., Meas., Control. April 2017, 139(4): 041009.

Paper No: DS-16-1111

DOI: https://doi.org/10.1115/1.4035095

Published Online: February 9, 2017

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Topics: Bushings, Design, Errors, Feedback, Manufacturing, Modeling, Quantum field theory, Trajectories (Physics), Transfer functions, Dynamics (Mechanics)

Journal Articles

Physical Modeling for Selective Laser Sintering Process

Arash Gobal, Bahram Ravani

J. Comput. Inf. Sci. Eng. June 2017, 17(2): 021002.

Paper No: JCISE-16-1058

DOI: https://doi.org/10.1115/1.4034473

Published Online: January 30, 2017

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Topics: Lasers, Modeling, Particulate matter, Simulation, Sintering, Finite element analysis, Temperature, Heat, Heat transfer, Laser beams

Proceedings Papers

A Comparative Experimental Evaluation of IMU Designs

Bahram Ravani, Jason L. Sherrett, Ty A. Lasky

Proc. ASME. IDETC-CIE2015, Volume 9: 2015 ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications, V009T07A055, August 2–5, 2015

Paper No: DETC2015-46358

DOI: https://doi.org/10.1115/DETC2015-46358

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Topics: Accelerometers, Design, Filtration, Magnetic fields, Magnetometers, Measurement units and standards, Navigation, Rapid prototyping, Sensors, Testing

Proceedings Papers

Development of a Control Theoretic Alternative to Fitts’ Law With Application to In-Vehicle Touchscreen Interface

Chao Wang, Bahram Ravani

Proc. ASME. IDETC-CIE2015, Volume 9: 2015 ASME/IEEE International Conference on Mechatronic and Embedded Systems and Applications, V009T07A004, August 2–5, 2015

Paper No: DETC2015-46341

DOI: https://doi.org/10.1115/DETC2015-46341

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Topics: Vehicles, Noise (Sound)

Proceedings Papers

Development of a Toolkit for the Analysis and Design of Composite Pressure Vessels

Elias Ledesma, Salvador M. Aceves, Francisco Espinoza-Loza, Bahram Ravani

Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 187-198, November 9–15, 2012

Paper No: IMECE2012-88505

DOI: https://doi.org/10.1115/IMECE2012-88505

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Topics: Composite materials, Design, Pressure vessels, Fibers, Algorithms, Failure, Graphical user interfaces, Honeycomb structures, Metals, Parametric design

Journal Articles

On the Regulus Associated With the General Displacement of a Line and Its Application in Determining Displacement Screws

Chintien Huang, Wuchang Kuo, Bahram Ravani

J. Mechanisms Robotics. November 2010, 2(4): 041013.

DOI: https://doi.org/10.1115/1.4001729

Published Online: October 14, 2010

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Topics: Displacement, Screws

Journal Articles

Three-Dimensional Generalizations of Reuleaux’s and Instant Center Methods Based on Line Geometry

Jasem Baroon, Bahram Ravani

J. Mechanisms Robotics. November 2010, 2(4): 041011.

DOI: https://doi.org/10.1115/1.4001727

Published Online: October 7, 2010

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Topics: Screws, Geometry, Construction

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Journal citation

NARROW

Sub-Second Prediction of the Heatmap of Powder-Beds in Additive Manufacturing Using Deep Encoder–Decoder Convolutional Neural Networks

On First-Order Decoupling of Equations of Motion for Constrained Dynamical Systems

Bézier Curves on Riemannian Manifolds and Lie Groups With Kinematics Applications

Contact Stress Analysis in Ball Screw Mechanism Using the Tubular Medial Axis Representation of Contacting Surfaces

Design of Tactile Fixtures for Robotics and Manufacturing

Ruled Surfaces, Lie Groups, and Mesh Generation

Differential Geometric Analysis of Singularities of Point Trajectories of Serial and Parallel Manipulators

A Dual Ellipse Is a Cylindroid

Kinematic Fixturing With Respect to a Plane Using Contact Sensing

Design of a Novel Fixture for Part Referencing

Geometric Criteria for Gouge-Free Three-Axis Milling of Sculptured Surfaces

A Computational Method for Formulation and Solution of Dynamical Equations for Complex Mechanisms and Multibody Systems

A Non-Iterative Carrier Phase Differential GNSS Kinematic Localization Method

A Control-Theoretic Model for Human Time-Motion Evaluation in Pick-and-Place Operations

Physical Modeling for Selective Laser Sintering Process

A Comparative Experimental Evaluation of IMU Designs

Development of a Control Theoretic Alternative to Fitts’ Law With Application to In-Vehicle Touchscreen Interface

Development of a Toolkit for the Analysis and Design of Composite Pressure Vessels

On the Regulus Associated With the General Displacement of a Line and Its Application in Determining Displacement Screws

Three-Dimensional Generalizations of Reuleaux’s and Instant Center Methods Based on Line Geometry

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