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Madhu Vadali
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Journal Articles

FF-RRT*: A Sampling-Based Planner for Multirobot Global Formation Path Planning

Suraj Borate, Rwik Rana, Praveen Venkatesh, Madhu Vadali
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Technical Briefs
J. Mechanisms Robotics. October 2024, 16(10): 104502.
Paper No: JMR-23-1444
https://doi.org/10.1115/1.4066129
Published Online: September 2, 2024
View Article titled, FF-RRT*: A Sampling-Based Planner for Multirobot Global Formation Path Planning
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Topics: Algorithms, Collisions (Physics), Multi-robot systems, Path planning, Robots
Journal Articles

Finite Element Method-Based Dynamic Modeling Framework for Flexible Continuum Manipulators

Md Modassir Firdaus, Omkar Dilip Paranjape, Madhu Vadali
Journal: Journal of Mechanisms and Robotics
Publisher: ASME
Article Type: Research Papers
J. Mechanisms Robotics. October 2024, 16(10): 101013.
Paper No: JMR-23-1401
https://doi.org/10.1115/1.4064669
Published Online: March 5, 2024
View Article titled, Finite Element Method-Based Dynamic Modeling Framework for Flexible Continuum Manipulators
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Topics: Displacement, Manipulators, Shapes, Tendons, Tension, Steady state, Dynamic models, Damping
Journal Articles

Impact of Added Passive Compliance on the Performance of Tip-Actuated Flexible Manipulators

Barat S., Sushrut Surve, Rwik Rana, Madhu Vadali, Harish J. Palanthandalam-Madapusi
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. December 2023, 145(12): 121003.
Paper No: DS-23-1062
https://doi.org/10.1115/1.4063488
Published Online: October 9, 2023
View Article titled, Impact of Added Passive Compliance on the Performance of Tip-Actuated Flexible Manipulators
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Topics: Actuators, Engines, Flexible manipulators, Frequency response, Manipulators, Motors, Springs, Stability, Stiffness, Torque
Proceedings Papers

Design of Micro-Scale Periodic Surface Textures by Pulsed Laser Melting and its Influence on Wettability

Rohit Gupta, Justin Hijam, Rama Balhara, Madhu Vadali
Proc. ASME. MSEC2022, Volume 2: Manufacturing Processes; Manufacturing Systems, V002T05A058, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-85829
https://doi.org/10.1115/MSEC2022-85829
View Paper titled, Design of Micro-Scale Periodic Surface Textures by Pulsed Laser Melting and its Influence on Wettability
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Topics: Design, Lasers, Melting, Microscale devices, Surface texture
Proceedings Papers

Polymer Filament Extrusion Using LDPE Waste Polymer: Effect of Processing Temperature

Rajdeep Singh Devra, Nishkarsh Srivastava, Madhu Vadali, Amit Arora
Proc. ASME. MSEC2022, Volume 1: Additive Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation; Nano/Micro/Meso Manufacturing, V001T01A025, June 27–July 1, 2022
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2022-85586
https://doi.org/10.1115/MSEC2022-85586
View Paper titled, Polymer Filament Extrusion Using LDPE Waste Polymer: Effect of Processing Temperature
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Topics: Additive manufacturing, Extruding, Low density polyethylene, Modeling, Plastic scrap, Polymers, Recycling, Temperature
Proceedings Papers

Influence of Surface Geometry on Melt Pool Flows and Shape in Pulsed Laser Surface Melting

Utsavkumar Mistry, Madhu Vadali
Proc. ASME. MSEC2021, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A005, June 21–25, 2021
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2021-60460
https://doi.org/10.1115/MSEC2021-60460
View Paper titled, Influence of Surface Geometry on Melt Pool Flows and Shape in Pulsed Laser Surface Melting
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Topics: Flow (Dynamics), Geometry, Lasers, Melting, Shapes, Surface tension
Proceedings Papers

Modeling and Analysis of Directional Drilling Dynamics

Tianheng Feng, Madhu Vadali, Dongmei Chen
Proc. ASME. DSCC2017, Volume 3: Vibration in Mechanical Systems; Modeling and Validation; Dynamic Systems and Control Education; Vibrations and Control of Systems; Modeling and Estimation for Vehicle Safety and Integrity; Modeling and Control of IC Engines and Aftertreatment Systems; Unmanned Aerial Vehicles (UAVs) and Their Applications; Dynamics and Control of Renewable Energy Systems; Energy Harvesting; Control of Smart Buildings and Microgrids; Energy Systems, V003T43A006, October 11–13, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2017-5358
https://doi.org/10.1115/DSCC2017-5358
View Paper titled, Modeling and Analysis of Directional Drilling Dynamics
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Topics: Drilling, Dynamics (Mechanics), Modeling, Drill strings, Displacement, Finite element methods, Reservoirs, Rocks, Vibration, Collisions (Physics)
Journal Articles

A Finite Element Method With Full Bit-Force Modeling to Analyze Drillstring Vibration

Tianheng Feng, Madhu Vadali, Zheren Ma, Dongmei Chen, Jason Dykstra
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. September 2017, 139(9): 091016.
Paper No: DS-16-1508
https://doi.org/10.1115/1.4036083
Published Online: June 5, 2017
View Article titled, A Finite Element Method With Full Bit-Force Modeling to Analyze Drillstring Vibration
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Topics: Damping, Drill strings, Dynamics (Mechanics), Finite element methods, Friction, Modeling, Rocks, Stick-slip, Vibration, Whirls
Proceedings Papers

Control of Rotary Steerable Toolface in Directional Drilling

Madhu Vadali, Yuzhen Xue, Xingyong Song, Jason Dykstra
Proc. ASME. DSCC2015, Volume 2: Diagnostics and Detection; Drilling; Dynamics and Control of Wind Energy Systems; Energy Harvesting; Estimation and Identification; Flexible and Smart Structure Control; Fuels Cells/Energy Storage; Human Robot Interaction; HVAC Building Energy Management; Industrial Applications; Intelligent Transportation Systems; Manufacturing; Mechatronics; Modelling and Validation; Motion and Vibration Control Applications, V002T20A003, October 28–30, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2015-9857
https://doi.org/10.1115/DSCC2015-9857
View Paper titled, Control of Rotary Steerable Toolface in Directional Drilling
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Topics: Drilling, Control equipment, Design, Dynamics (Mechanics), Simulation results, State feedback, Torque
Proceedings Papers

Dynamic Modeling of Bottomhole Assembly

Madhu Vadali, Zhijie Sun, Yuzhen Xue, Jason Dykstra
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, V003T37A001, October 22–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2014-5927
https://doi.org/10.1115/DSCC2014-5927
View Paper titled, Dynamic Modeling of Bottomhole Assembly
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Topics: Dynamic modeling, Manufacturing, Drilling, Dynamic models, Stick-slip, Vibration, Whirls, Boundary-value problems, Control systems, Delays
Journal Articles

Analytical and Experimental Investigation of Thermocapillary Flow in Pulsed Laser Micropolishing

Chao Ma, Madhu Vadali, Xiaochun Li, Neil A. Duffie, Frank E. Pfefferkorn
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. June 2014, 2(2): 021010.
Paper No: JMNM-13-1073
https://doi.org/10.1115/1.4027433
Published Online: April 28, 2014
View Article titled, Analytical and Experimental Investigation of Thermocapillary Flow in Pulsed Laser Micropolishing
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Topics: Displacement, Flow (Dynamics), Lasers, Polishing, Temperature, Heat transfer, Fluid dynamics
Proceedings Papers

Melt Pool Flow and Surface Evolution During Pulsed Laser Micro Polishing of Ti6Al4V

Chao Ma, Madhu Vadali, Neil A. Duffie, Frank E. Pfefferkorn, Xiaochun Li
Proc. ASME. MSEC2013, Volume 1: Processing, V001T01A054, June 10–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2013-1117
https://doi.org/10.1115/MSEC2013-1117
View Paper titled, Melt Pool Flow and Surface Evolution During Pulsed Laser Micro Polishing of Ti6Al4V
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Topics: Flow (Dynamics), Lasers, Polishing, Fluid dynamics, Cross section (Physics), Finite element methods, Heat transfer, Optical images, Physics, Temperature
Journal Articles

Melt Pool Flow and Surface Evolution During Pulsed Laser Micro Polishing of Ti6Al4V

Chao Ma, Madhu Vadali, Neil A. Duffie, Frank E. Pfefferkorn, Xiaochun Li
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. December 2013, 135(6): 061023.
Paper No: MANU-13-1141
https://doi.org/10.1115/1.4025819
Published Online: November 27, 2013
View Article titled, Melt Pool Flow and Surface Evolution During Pulsed Laser Micro Polishing of Ti6Al4V
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Topics: Flow (Dynamics), Lasers, Polishing, Temperature, Simulation, Fluid dynamics, Melting
Journal Articles

Effects of Pulse Duration on Laser Micro Polishing

Madhu Vadali, Chao Ma, Neil A. Duffie, Xiaochun Li, Frank E. Pfefferkorn
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. March 2013, 1(1): 011006.
Paper No: JMNM-12-1064
https://doi.org/10.1115/1.4023756
Published Online: March 25, 2013
View Article titled, Effects of Pulse Duration on Laser Micro Polishing
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Proceedings Papers

Pulsed Laser Micro Polishing: An Analytical Method for Predicting Surface Finish

Madhu Vadali, Chao Ma, Neil A. Duffie, Xiaochun Li, Frank E. Pfefferkorn
Proc. ASME. MSEC2011, ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2, 409-417, June 13–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2011-50180
https://doi.org/10.1115/MSEC2011-50180
View Paper titled, Pulsed Laser Micro Polishing: An Analytical Method for Predicting Surface Finish
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Topics: Finishes, Lasers, Polishing