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Anurag Purwar
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Journal Articles

A Matrix-based Approach to Unified Synthesis of Planar Four-Bar Mechanisms for Motion Generation with Position, Velocity, and Acceleration Constraints

Accepted Manuscript
Xueting Deng, Anurag Purwar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng.
Paper No: JCISE-24-1065
https://doi.org/10.1115/1.4066661
Published Online: September 24, 2024
View Article titled, A Matrix-based Approach to Unified Synthesis of Planar Four-Bar Mechanisms for Motion Generation with Position, Velocity, and Acceleration Constraints
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Topics: Algorithms, Computer-aided design, Design, Dimensions, Kinematics, Linkages, Polynomials
Journal Articles

Deep Learning Conceptual Design of Sit-to-Stand Parallel Motion Six-Bar Mechanisms

Zhijie Lyu, Anurag Purwar
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2025, 147(1): 013306.
Paper No: MD-24-1019
https://doi.org/10.1115/1.4066036
Published Online: August 21, 2024
View Article titled, Deep Learning Conceptual Design of Sit-to-Stand Parallel Motion Six-Bar Mechanisms
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Topics: Algorithms, Artificial neural networks, Conceptual design, Databases, Design, Kinematics, Linkages, Pipelines, Machine learning, Deep learning
Journal Articles

A Unified Real-Time Motion Generation Algorithm for Approximate Position Analysis of Planar N-Bar Mechanisms

Zhijie Lyu, Anurag Purwar, Wei Liao
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2024, 146(6): 063302.
Paper No: MD-23-1455
https://doi.org/10.1115/1.4064132
Published Online: December 15, 2023
View Article titled, A Unified Real-Time Motion Generation Algorithm for Approximate Position Analysis of Planar N-Bar Mechanisms
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Topics: Actuators, Algorithms, Kinematics, Linkages, Simulation, Optimization, Mechanical admittance
Journal Articles

Special Issue: Machine Learning and Representation Issues in CAD/CAM

Anurag Purwar, Kaushalkumar A. Desai, Stephen Canfield, Rahul Rai, Zhenguo Nie
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Guest Editorial
J. Comput. Inf. Sci. Eng. January 2024, 24(1): 010301.
Paper No: JCISE-23-1502
https://doi.org/10.1115/1.4064059
Published Online: December 7, 2023
View Article titled, Special Issue: Machine Learning and Representation Issues in CAD/CAM
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Topics: Computer-aided design, Machine learning, Manufacturing, Design, Artificial neural networks
Journal Articles

Transforming Hand-Drawn Sketches of Linkage Mechanisms Into Their Digital Representation

Anar Nurizada, Anurag Purwar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. January 2024, 24(1): 011010.
Paper No: JCISE-23-1088
https://doi.org/10.1115/1.4064037
Published Online: November 30, 2023
View Article titled, Transforming Hand-Drawn Sketches of Linkage Mechanisms Into Their Digital Representation
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Topics: Linkages, Sensors, Topology, Algorithms
Proceedings Papers

An Invariant Representation of Coupler Curves Using a Variational Autoencoder: Application to Path Synthesis of Four-Bar Mechanisms

Anar Nurizada, Anurag Purwar
Proc. ASME. IDETC-CIE2023, Volume 8: 47th Mechanisms and Robotics Conference (MR), V008T08A022, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-116892
https://doi.org/10.1115/DETC2023-116892
View Paper titled, An Invariant Representation of Coupler Curves Using a Variational Autoencoder: Application to Path Synthesis of Four-Bar Mechanisms
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Topics: Artificial neural networks, Conceptual design, Dimensions, Linkages, Machine learning, Machinery, Robots, Wavelets
Proceedings Papers

A Unified Design Equation to Represent Geometric Constraints of Spatial SS, ES and SE Dyads

Xueting Deng, Anurag Purwar, Qiaode Jeffrey Ge
Proc. ASME. IDETC-CIE2023, Volume 8: 47th Mechanisms and Robotics Conference (MR), V008T08A025, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117282
https://doi.org/10.1115/DETC2023-117282
View Paper titled, A Unified Design Equation to Represent Geometric Constraints of Spatial SS, ES and SE Dyads
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Topics: Design, Algebra, Algorithms, Degrees of freedom, Dimensions, Fittings
Proceedings Papers

A Unified Real-Time Motion Generation Algorithm for Approximate Position Analysis of Planar N-Bar Mechanisms

Zhijie Lyu, Wei Liao, Anurag Purwar
Proc. ASME. IDETC-CIE2023, Volume 8: 47th Mechanisms and Robotics Conference (MR), V008T08A019, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-117159
https://doi.org/10.1115/DETC2023-117159
View Paper titled, A Unified Real-Time Motion Generation Algorithm for Approximate Position Analysis of Planar N-Bar Mechanisms
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Topics: Algorithms, Mechanical admittance, Simulation, Computation, Computer software, Degrees of freedom, Design, Errors, Kinematics, Linkages
Journal Articles

An Invariant Representation of Coupler Curves Using a Variational AutoEncoder: Application to Path Synthesis of Four-Bar Mechanisms

Anar Nurizada, Anurag Purwar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. January 2024, 24(1): 011008.
Paper No: JCISE-23-1067
https://doi.org/10.1115/1.4063726
Published Online: October 27, 2023
View Article titled, An Invariant Representation of Coupler Curves Using a Variational AutoEncoder: Application to Path Synthesis of Four-Bar Mechanisms
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Topics: Artificial neural networks, Linkages, Wavelets
Journal Articles

Special Issue: Challenges and Opportunities in Computing Research to Enable Next-Generation Engineering Applications

Janet K. Allen, Ehsan Esfahani, SK Gupta, Balan Gurumoorthy, Bin He, Ying Liu, John G. Michopoulos, Jitesh H. Panchal, Anurag Purwar, Kristina Wärmefjord
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Guest Editorial
J. Comput. Inf. Sci. Eng. December 2023, 23(6): 060301.
Paper No: JCISE-23-1453
https://doi.org/10.1115/1.4063437
Published Online: October 19, 2023
View Article titled, Special Issue: Challenges and Opportunities in Computing Research to Enable Next-Generation Engineering Applications
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Topics: Engineering systems and industry applications
Journal Articles

Deep Learning-Driven Design of Robot Mechanisms

Anurag Purwar, Nilanjan Chakraborty
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Review Articles
J. Comput. Inf. Sci. Eng. December 2023, 23(6): 060811.
Paper No: JCISE-23-1055
https://doi.org/10.1115/1.4062542
Published Online: June 5, 2023
View Article titled, Deep Learning-Driven Design of Robot Mechanisms
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Topics: Artificial neural networks, Design, Robotics
Proceedings Papers

Design and Development of a Sit-To-Stand Device Using A Variational Autoencoder-Based Deep Neural Network

Zhijie Lyu, Anurag Purwar
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A027, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-90494
https://doi.org/10.1115/DETC2022-90494
View Paper titled, Design and Development of a Sit-To-Stand Device Using A Variational Autoencoder-Based Deep Neural Network
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Topics: Artificial neural networks, Design, Machine learning
Proceedings Papers

Transforming Hand-Drawn Sketches of Linkage Mechanisms Into Their Digital Representation

Anurag Purwar, Anar Nurizada
Proc. ASME. IDETC-CIE2022, Volume 7: 46th Mechanisms and Robotics Conference (MR), V007T07A079, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-90495
https://doi.org/10.1115/DETC2022-90495
View Paper titled, Transforming Hand-Drawn Sketches of Linkage Mechanisms Into Their Digital Representation
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Topics: Linkages, Simulation
Proceedings Papers

Sketch-Based Mechanism Simulation Using Machine Learning

Anar Nurizada, Anurag Purwar
Proc. ASME. IDETC-CIE2021, Volume 2: 41st Computers and Information in Engineering Conference (CIE), V002T02A034, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-72149
https://doi.org/10.1115/DETC2021-72149
View Paper titled, Sketch-Based Mechanism Simulation Using Machine Learning
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Topics: Linkages, Machine learning, Simulation
Proceedings Papers

Informed Latent Space Exploration for Image-Based Path Synthesis of Linkages

Shrinath Deshpande, Zhijie Lyu, Anurag Purwar
Proc. ASME. IDETC-CIE2021, Volume 8A: 45th Mechanisms and Robotics Conference (MR), V08AT08A037, August 17–19, 2021
Publisher: American Society of Mechanical Engineers
Paper No: DETC2021-71629
https://doi.org/10.1115/DETC2021-71629
View Paper titled, Informed Latent Space Exploration for Image-Based Path Synthesis of Linkages
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Topics: Linkages, Machine learning, Kinematics, Artificial neural networks, Design, Errors, Machine design, Optimization, Pipelines, Statistical distributions
Journal Articles

A Machine Learning Approach to Solve the Alt–Burmester Problem for Synthesis of Defect-Free Spatial Mechanisms

Shashank Sharma, Anurag Purwar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. April 2022, 22(2): 021003.
Paper No: JCISE-20-1269
https://doi.org/10.1115/1.4051913
Published Online: October 13, 2021
View Article titled, A Machine Learning Approach to Solve the Alt–Burmester Problem for Synthesis of Defect-Free Spatial Mechanisms
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Topics: Algorithms, Databases, Machine learning
Proceedings Papers

An Image-Based Approach to Variational Path Synthesis of Linkages

Shrinath Deshpande, Anurag Purwar
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A031, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22679
https://doi.org/10.1115/DETC2020-22679
View Paper titled, An Image-Based Approach to Variational Path Synthesis of Linkages
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Topics: Linkages, Machine learning, Uncertainty
Proceedings Papers

Unified Motion Synthesis of Spatial Seven-Bar Platform Mechanisms and Planar-Four Bar Mechanisms

Shashank Sharma, Anurag Purwar
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A033, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22718
https://doi.org/10.1115/DETC2020-22718
View Paper titled, Unified Motion Synthesis of Spatial Seven-Bar Platform Mechanisms and Planar-Four Bar Mechanisms
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Topics: Algorithms, Kinematics, Testing
Proceedings Papers

Path Synthesis of Defect-Free Spatial 5-SS Mechanisms Using Machine Learning

Shashank Sharma, Anurag Purwar
Proc. ASME. IDETC-CIE2020, Volume 10: 44th Mechanisms and Robotics Conference (MR), V010T10A034, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22731
https://doi.org/10.1115/DETC2020-22731
View Paper titled, Path Synthesis of Defect-Free Spatial 5-SS Mechanisms Using Machine Learning
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Topics: Machine learning, Algorithms, Databases, Optimization algorithms, Pipelines, Torsion
Journal Articles

An Image-Based Approach to Variational Path Synthesis of Linkages

Shrinath Deshpande, Anurag Purwar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. April 2021, 21(2): 021005.
Paper No: JCISE-20-1061
https://doi.org/10.1115/1.4048422
Published Online: October 13, 2020
View Article titled, An Image-Based Approach to Variational Path Synthesis of Linkages
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Topics: Dimensions, Linkages, Machine learning, Statistical distributions, Artificial neural networks, Feedback, Kinematics