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Anurag Purwar
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Journal Articles

Point-Based Models: A Unified Approach for Geometric Constraint Analysis of Planar n -Bar Mechanisms With Rotary, Sliding, and Rolling Joints

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Zhijie Lyu, Anurag Purwar
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Technical Briefs
J. Mechanisms Robotics. April 2025, 17(4): 044514.
Paper No: JMR-24-1500
https://doi.org/10.1115/1.4066963
Published Online: January 20, 2025
View Articletitled, Point-Based Models: A Unified Approach for Geometric Constraint Analysis of Planar n -Bar Mechanisms With Rotary, Sliding, and Rolling Joints
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Topics: Actuators, Constraint equations, Kinematics, Simulation, Wheels, Belts, Mechanical admittance, Stiffness, Algorithms
Journal Articles

Path Generative Model Based on Conditional β -Variational Auto Encoder for Four-Bar Mechanism Design

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Anar Nurizada, Zhijie Lyu, Anurag Purwar
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. June 2025, 17(6): 061004.
Paper No: JMR-24-1110
https://doi.org/10.1115/1.4067169
Published Online: December 12, 2024
View Articletitled, Path Generative Model Based on Conditional β -Variational Auto Encoder for Four-Bar Mechanism Design
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Topics: Artificial neural networks, Design, Kinematics, Linkages, Machine learning, Algorithms, Performance
Journal Articles

Special Issue: Selected Papers From IDETC 2019

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Charles Kim, Anurag Purwar, Pinhas Ben-Tzvi
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Guest Editorial
J. Mechanisms Robotics. April 2020, 12(2): 020301.
Paper No: JMR-20-1026
https://doi.org/10.1115/1.4046177
Published Online: February 21, 2020
View Articletitled, Special Issue: Selected Papers From IDETC 2019
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Topics: Cables, Design, Robotics, Robots, Kinematics, Biomimetics, Geometry, Manipulators, Modeling, Unmanned aerial vehicles
Journal Articles

A Motion Synthesis Approach to Solving Alt-Burmester Problem by Exploiting Fourier Descriptor Relationship Between Path and Orientation Data

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Shashank Sharma, Anurag Purwar, Q. Jeffrey Ge
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. February 2019, 11(1): 011016.
Paper No: JMR-18-1084
https://doi.org/10.1115/1.4042054
Published Online: December 17, 2018
View Articletitled, A Motion Synthesis Approach to Solving Alt-Burmester Problem by Exploiting Fourier Descriptor Relationship Between Path and Orientation Data
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Topics: Algorithms, Computation, Fittings, Algebra
Journal Articles

A Unified Approach to Exact and Approximate Motion Synthesis of Spherical Four-Bar Linkages Via Kinematic Mapping

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Xiangyun Li, Ping Zhao, Anurag Purwar, Q. J. Ge
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. February 2018, 10(1): 011003.
Paper No: JMR-17-1127
https://doi.org/10.1115/1.4038305
Published Online: December 20, 2017
View Articletitled, A Unified Approach to Exact and Approximate Motion Synthesis of Spherical Four-Bar Linkages Via Kinematic Mapping
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Topics: Design, Fittings, Kinematics, Linkages, Manifolds, Errors
Journal Articles

A Task-Driven Approach to Optimal Synthesis of Planar Four-Bar Linkages for Extended Burmester Problem

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Shrinath Deshpande, Anurag Purwar
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. December 2017, 9(6): 061005.
Paper No: JMR-17-1048
https://doi.org/10.1115/1.4037801
Published Online: September 18, 2017
View Articletitled, A Task-Driven Approach to Optimal Synthesis of Planar Four-Bar Linkages for Extended Burmester Problem
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Topics: Algebra, Errors, Fittings, Linkages, Kinematics, Error functions, Algorithms, Manifolds, Design, Dimensions
Journal Articles

MotionGen: Interactive Design and Editing of Planar Four-Bar Motions for Generating Pose and Geometric Constraints

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Anurag Purwar, Shrinath Deshpande, Q. J. Ge
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Technical Briefs
J. Mechanisms Robotics. April 2017, 9(2): 024504.
Paper No: JMR-16-1317
https://doi.org/10.1115/1.4035899
Published Online: March 9, 2017
View Articletitled, MotionGen: Interactive Design and Editing of Planar Four-Bar Motions for Generating Pose and Geometric Constraints
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Topics: Design, Kinematics, Linkages, Algorithms, Gears, Dimensions, Trenching machinery, Metal stamping
Journal Articles

A Unified Algorithm for Analysis and Simulation of Planar Four-Bar Motions Defined With R- and P-Joints

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Xiangyun Li, Xin Ge, Anurag Purwar, Q. J. Ge
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. February 2015, 7(1): 011014.
Paper No: JMR-14-1271
https://doi.org/10.1115/1.4029295
Published Online: February 1, 2015
View Articletitled, A Unified Algorithm for Analysis and Simulation of Planar Four-Bar Motions Defined With R- and P-Joints
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Topics: Algorithms, Linkages, Manifolds
Journal Articles

Polar Decomposition of Unit Dual Quaternions

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Anurag Purwar, Q. J. Ge
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research-Article
J. Mechanisms Robotics. August 2013, 5(3): 031001.
Paper No: JMR-12-1016
https://doi.org/10.1115/1.4024236
Published Online: June 24, 2013
View Articletitled, Polar Decomposition of Unit Dual Quaternions
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Topics: Algorithms, Displacement, Rotation, Approximation, Algebra, Errors
Journal Articles

Interactive Dimensional Synthesis and Motion Design of Planar 6 R Single-Loop Closed Chains via Constraint Manifold Modification

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Jun Wu, Anurag Purwar, Q. J. Ge
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. August 2010, 2(3): 031012.
https://doi.org/10.1115/1.4001775
Published Online: July 23, 2010
View Articletitled, Interactive Dimensional Synthesis and Motion Design of Planar 6 R Single-Loop Closed Chains via Constraint Manifold Modification
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Topics: Chain, Design, Manifolds