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Hamid Khakpour Nejadkhaki
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Journal Articles

Control Framework and Integrative Design Method for an Adaptive Wind Turbine Blade

Hamid Khakpour Nejadkhaki, John F. Hall
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. October 2020, 142(10): 101001.
Paper No: DS-19-1483
https://doi.org/10.1115/1.4047098
Published Online: May 25, 2020
View Article titled, Control Framework and Integrative Design Method for an Adaptive Wind Turbine Blade
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Topics: Blades, Design, Shapes, Wind, Wind turbines, Wind velocity, Actuators
Proceedings Papers

Rule of Mixtures Model to Determine Elastic Modulus and Tensile Strength of 3D Printed Carbon Fiber Reinforced Nylon

Kaiyue Deng, Hamid Khakpour Nejadkhaki, Felipe M. Pasquali, Anosh P. Amaria, Jason N. Armstrong, John F. Hall
Proc. ASME. IDETC-CIE2019, Volume 2A: 45th Design Automation Conference, V02AT03A039, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-98024
https://doi.org/10.1115/DETC2019-98024
View Paper titled, Rule of Mixtures Model to Determine Elastic Modulus and Tensile Strength of 3D Printed Carbon Fiber Reinforced Nylon
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Topics: Additive manufacturing, Carbon fibers, Elastic moduli, Nylon fabrics, Tensile strength
Journal Articles

Weighted Least Squares Approach for an Adaptive Aerodynamic Engineered Structure With Twist Transformation

Fuzhao Mou, Hamid Khakpour Nejadkhaki, Aaron Estes, John F. Hall
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. May 2019, 141(5): 051207.
Paper No: JERT-18-1502
https://doi.org/10.1115/1.4042642
Published Online: February 18, 2019
View Article titled, Weighted Least Squares Approach for an Adaptive Aerodynamic Engineered Structure With Twist Transformation
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Topics: Actuators, Blades, Stiffness, Wind velocity, Design, Optimization
Proceedings Papers

Variable Twist Blade Transformation to Improve Wind Turbine Performance

Hamid Khakpour Nejadkhaki, John F. Hall
Proc. ASME. IMECE2018, Volume 6B: Energy, V06BT08A042, November 9–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2018-88433
https://doi.org/10.1115/IMECE2018-88433
View Paper titled, Variable Twist Blade Transformation to Improve Wind Turbine Performance
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Topics: Blades, Wind turbines, Actuators, Shapes, Shells, Stiffness, Design, Geometry, Stress, Wind velocity
Proceedings Papers

Integrative Modeling Platform for Design and Control of an Adaptive Wind Turbine Blade

Hamid Khakpour Nejadkhaki, John F. Hall, Minghui Zheng, Teng Wu
Proc. ASME. DSCC2018, Volume 2: Control and Optimization of Connected and Automated Ground Vehicles; Dynamic Systems and Control Education; Dynamics and Control of Renewable Energy Systems; Energy Harvesting; Energy Systems; Estimation and Identification; Intelligent Transportation and Vehicles; Manufacturing; Mechatronics; Modeling and Control of IC Engines and Aftertreatment Systems; Modeling and Control of IC Engines and Powertrain Systems; Modeling and Management of Power Systems, V002T28A005, September 30–October 3, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2018-9235
https://doi.org/10.1115/DSCC2018-9235
View Paper titled, Integrative Modeling Platform for Design and Control of an Adaptive Wind Turbine Blade
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Topics: Blades, Design, Modeling, Wind turbines, Stress, Simulation models, Real-time control, Wind, Actuators, Dynamic systems
Proceedings Papers

Weighted-Least Squares Optimization Method for Control and Shape Design of an Adaptive Blade Twist Distribution to Increase Wind Capture

Fuzhao Mou, Hamid Khakpour Nejadkhaki, Aaron Estes, John Hall
Proc. ASME. DSCC2018, Volume 2: Control and Optimization of Connected and Automated Ground Vehicles; Dynamic Systems and Control Education; Dynamics and Control of Renewable Energy Systems; Energy Harvesting; Energy Systems; Estimation and Identification; Intelligent Transportation and Vehicles; Manufacturing; Mechatronics; Modeling and Control of IC Engines and Aftertreatment Systems; Modeling and Control of IC Engines and Powertrain Systems; Modeling and Management of Power Systems, V002T17A005, September 30–October 3, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2018-9233
https://doi.org/10.1115/DSCC2018-9233
View Paper titled, Weighted-Least Squares Optimization Method for Control and Shape Design of an Adaptive Blade Twist Distribution to Increase Wind Capture
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Topics: Blades, Optimization, Shape design, Wind, Stiffness, Design, Stress, Wind velocity, Additive manufacturing, Engineering design
Proceedings Papers

A Weighted Least Squares Approach for the Design of Adaptive Aerodynamic Structures Subjected to an Out-Of-Plane Transformation

Fuzhao Mou, Hamid Khakpour Nejadkhaki, Aaron Estes, John Hall
Proc. ASME. IDETC-CIE2018, Volume 2B: 44th Design Automation Conference, V02BT03A043, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-86101
https://doi.org/10.1115/DETC2018-86101
View Paper titled, A Weighted Least Squares Approach for the Design of Adaptive Aerodynamic Structures Subjected to an Out-Of-Plane Transformation
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Topics: Design, Blades, Stiffness, Actuators, Errors, Adaptive structures, Additive manufacturing, Innovation, Manufacturing, Optimization
Proceedings Papers

Integrative Control and Design Framework for an Actively Variable Twist Wind Turbine Blade to Increase Efficiency

Hamid Khakpour Nejadkhaki, John F. Hall
Proc. ASME. IDETC-CIE2018, Volume 2A: 44th Design Automation Conference, V02AT03A004, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-86098
https://doi.org/10.1115/DETC2018-86098
View Paper titled, Integrative Control and Design Framework for an Actively Variable Twist Wind Turbine Blade to Increase Efficiency
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Topics: Blades, Design, Wind turbines, Shapes, Actuators, Stiffness, Design engineering, Wind velocity, Additive manufacturing, Algorithms
Journal Articles

Modeling and Design Method for an Adaptive Wind Turbine Blade With Out-of-Plane Twist

Hamid Khakpour Nejadkhaki, John F. Hall
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. October 2018, 140(5): 051010.
Paper No: SOL-17-1491
https://doi.org/10.1115/1.4040104
Published Online: May 29, 2018
View Article titled, Modeling and Design Method for an Adaptive Wind Turbine Blade With Out-of-Plane Twist
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Topics: Blades, Design, Wind turbines, Wind velocity, Design engineering, Optimization, Actuators, Shapes, Stiffness
Proceedings Papers

A Flexible Wind Turbine Blade With an Actively Variable Twist Distribution to Increase Region 2 Efficiency: Design and Control

Hamid Khakpour Nejadkhaki, John F. Hall
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, V003T40A006, October 11–13, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2017-5282
https://doi.org/10.1115/DSCC2017-5282
View Paper titled, A Flexible Wind Turbine Blade With an Actively Variable Twist Distribution to Increase Region 2 Efficiency: Design and Control
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Topics: Blades, Design, Wind turbines, Actuators, Stiffness, Additive manufacturing, Shapes, Simulation results, Wind velocity, Algorithms
Proceedings Papers

A Design Methodology for a Flexible Wind Turbine Blade With an Actively Variable Twist Distribution to Increase Region 2 Efficiency

Hamid Khakpour Nejadkhaki, John F. Hall
Proc. ASME. IDETC-CIE2017, Volume 2A: 43rd Design Automation Conference, V02AT03A025, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68302
https://doi.org/10.1115/DETC2017-68302
View Paper titled, A Design Methodology for a Flexible Wind Turbine Blade With an Actively Variable Twist Distribution to Increase Region 2 Efficiency
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Topics: Blades, Design methodology, Wind turbines, Design, Actuators, Geometry, Additive manufacturing, Shapes, Wind velocity, Algorithms
Proceedings Papers

Analysis of a Simplified Blade Design to Facilitate Wind Energy Penetration in the Developing World

Hamid Khakpour Nejadkhaki, Yi-Meng Sylvia Hu, Michelle Dürrnagel, Moritz Lippert, Thanh Danh Anthony Ngo, John Hall
Proc. ASME. IDETC-CIE2017, Volume 4: 22nd Design for Manufacturing and the Life Cycle Conference; 11th International Conference on Micro- and Nanosystems, V004T05A029, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68411
https://doi.org/10.1115/DETC2017-68411
View Paper titled, Analysis of a Simplified Blade Design to Facilitate Wind Energy Penetration in the Developing World
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Topics: Blades, Design, Developing nations, Wind energy, Wind turbines, Manufacturing, Boundary element methods, Chords (Trusses), Momentum, Production equipment
Journal Articles

A Methodology to Synthesize Gearbox and Control Design for Increased Power Production and Blade Root Stress Mitigation in a Small Wind Turbine

Hamid Khakpour Nejadkhaki, Amrita Lall, John F. Hall
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. August 2017, 139(8): 081404.
Paper No: MD-16-1605
https://doi.org/10.1115/1.4036998
Published Online: June 27, 2017
View Article titled, A Methodology to Synthesize Gearbox and Control Design for Increased Power Production and Blade Root Stress Mitigation in a Small Wind Turbine
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Topics: Blades, Design, Energy generation, Gears, Stress, Wind turbines, Wind velocity, Rotors, Wind, Mechanical drives
Proceedings Papers

Design and Control Framework for Selecting Wind Turbine Gear Ratios Based on Optimal Power Generation and Blade Stress

Amrita Lall, Hamid Khakpour Nejadkhaki, John Hall
Proc. ASME. DSCC2016, Volume 1: Advances in Control Design Methods, Nonlinear and Optimal Control, Robotics, and Wind Energy Systems; Aerospace Applications; Assistive and Rehabilitation Robotics; Assistive Robotics; Battery and Oil and Gas Systems; Bioengineering Applications; Biomedical and Neural Systems Modeling, Diagnostics and Healthcare; Control and Monitoring of Vibratory Systems; Diagnostics and Detection; Energy Harvesting; Estimation and Identification; Fuel Cells/Energy Storage; Intelligent Transportation, V001T04A001, October 12–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2016-9716
https://doi.org/10.1115/DSCC2016-9716
View Paper titled, Design and Control Framework for Selecting Wind Turbine Gear Ratios Based on Optimal Power Generation and Blade Stress
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Topics: Blades, Design, Energy generation, Gears, Stress, Wind turbines, Simulation, Wind, Boundary element methods, Control algorithms
Proceedings Papers

An Integrative Framework for Design and Control Optimization of a Variable-Ratio Gearbox in a Wind Turbine With Active Blades

Amrita Lall, Hamid Khakpour Nejadkhaki, John Hall
Proc. ASME. IDETC-CIE2016, Volume 2B: 42nd Design Automation Conference, V02BT03A014, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60244
https://doi.org/10.1115/DETC2016-60244
View Paper titled, An Integrative Framework for Design and Control Optimization of a Variable-Ratio Gearbox in a Wind Turbine With Active Blades
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Topics: Blades, Design, Mechanical drives, Optimization, Wind turbines, Stress, Wind, Gears, Energy generation, Torque