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Fisseha M. Alemayehu
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Proceedings Papers

Experimental Investigation of a Wind Turbine Gearbox for Prognostics and Health Management

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Fredrick J. Ayivor, Behnam Askarian, Byron A. Neal, Fisseha M. Alemayehu
Proc. ASME. IMECE2024, Volume 11: Safety Engineering, Risk and Reliability Analysis; Research Posters, V011T14A009, November 17–21, 2024
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2024-145772
https://doi.org/10.1115/IMECE2024-145772
View Paper titled, Experimental Investigation of a Wind Turbine Gearbox for Prognostics and Health Management
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Topics: Mechanical drives, Reliability, Wind turbines, Failure, Renewable energy, Rotors, Sensors, Wind energy, Accelerometers, Acoustics
Journal Articles

Determining Probability of Importance of Features in a Sketch

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Ricardo Cruz-Lozano, Fisseha M. Alemayehu, Stephen Ekwaro-Osire, Haileyesus B. Endeshaw
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. December 2017, 3(4): 041003.
Paper No: RISK-16-1051
https://doi.org/10.1115/1.4035867
Published Online: June 13, 2017
View Articletitled, Determining Probability of Importance of Features in a Sketch
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Topics: Probability, Uncertainty, Bicycles, Shapes
Proceedings Papers

A Probabilistic Model-Based Prognostics Using Meshfree Modeling: A Case Study on Fatigue Life of a Cantilever Beam

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Haileyesus B. Endeshaw, Fisseha M. Alemayehu, Stephen Ekwaro-Osire, João Paulo Dias
Proc. ASME. IMECE2016, Volume 4B: Dynamics, Vibration, and Control, V04BT05A047, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-67936
https://doi.org/10.1115/IMECE2016-67936
View Paper titled, A Probabilistic Model-Based Prognostics Using Meshfree Modeling: A Case Study on Fatigue Life of a Cantilever Beam
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Topics: Cantilever beams, Fatigue life, Modeling, Uncertainty, Reliability, Fatigue, Monte Carlo methods, Decision making, Density, Interpolation
Proceedings Papers

Probabilistic Approach to Determine the Efficiency of Ocean Wave Energy Conversion Systems

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Stephen Ekwaro-Osire, Fisseha M. Alemayehu, Jamie Chapman, Ozhan Gecgel, Shweta Dabetwar, João Paulo Dias, Haileyesus B. Endeshaw
Proc. ASME. IMECE2016, Volume 6A: Energy, V06AT08A032, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-67942
https://doi.org/10.1115/IMECE2016-67942
View Paper titled, Probabilistic Approach to Determine the Efficiency of Ocean Wave Energy Conversion Systems
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Topics: Wave energy, Reliability, Uncertainty, Manufacturing, Probability, Sensitivity analysis, Accounting, Air flow, Computer software, Failure
Proceedings Papers

Probabilistic Analysis of Continuously Variable Transmission to Increase Reliability

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Nkama E. Nkama, Fisseha M. Alemayehu, Haileyesus B. Endeshaw, Stephen Ekwaro-Osire, Duc Pham
Proc. ASME. IMECE2015, Volume 6A: Energy, V06AT07A061, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-52803
https://doi.org/10.1115/IMECE2015-52803
View Paper titled, Probabilistic Analysis of Continuously Variable Transmission to Increase Reliability
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Topics: Reliability, Torque, Energy generation, Mechanical drives, Probability, Renewable energy, Wind energy, Automotive industry, Dynamic analysis, Failure
Proceedings Papers

Determining Probability of Importance of Features in a Sketch

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Ricardo Cruz-Lozano, Fisseha M. Alemayehu, Stephen Ekwaro-Osire, Haileyesus Endeshaw
Proc. ASME. IMECE2015, Volume 11: Systems, Design, and Complexity, V011T14A027, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-52807
https://doi.org/10.1115/IMECE2015-52807
View Paper titled, Determining Probability of Importance of Features in a Sketch
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Topics: Probability, Uncertainty, Design, Engineers, Entropy, Object recognition
Journal Articles

Probabilistic Performance of Helical Compound Planetary System in Wind Turbine

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Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2015, 10(4): 041003.
Paper No: CND-13-1275
https://doi.org/10.1115/1.4027921
Published Online: July 1, 2015
View Articletitled, Probabilistic Performance of Helical Compound Planetary System in Wind Turbine
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Topics: Bending (Stress), Design, Gears, Reliability, Uncertainty, Wind turbines, Stress, Rotors, Torque, Gear teeth
Proceedings Papers

Low Frequency Vibration Consideration in Tool-Path Computation of Two-Link Serial Manipulator for Improved Accuracy

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Denis Juschanin, Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Proc. ASME. IMECE2014, Volume 2A: Advanced Manufacturing, V02AT02A055, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-39400
https://doi.org/10.1115/IMECE2014-39400
View Paper titled, Low Frequency Vibration Consideration in Tool-Path Computation of Two-Link Serial Manipulator for Improved Accuracy
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Topics: Computation, Manipulators, Vibration, Chatter, Machining, Robots, Cutting, Deburring, Grinding, Polishing
Journal Articles

Loading and Design Parameter Uncertainty in the Dynamics and Performance of High-Speed-Parallel-Helical-Stage of a Wind Turbine Gearbox

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Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. September 2014, 136(9): 091002.
Paper No: MD-13-1443
https://doi.org/10.1115/1.4027496
Published Online: June 11, 2014
View Articletitled, Loading and Design Parameter Uncertainty in the Dynamics and Performance of High-Speed-Parallel-Helical-Stage of a Wind Turbine Gearbox
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Topics: Bending (Stress), Compressive stress, Design, Gears, Reliability, Manufacturing, Uncertainty, Stress
Proceedings Papers

Loading and Design Parameter Uncertainty in the Dynamics and Performance of High-Speed-Parallel-Helical Stage of a Wind Turbine Gearbox

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Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Proc. ASME. IDETC-CIE2013, Volume 5: 25th International Conference on Design Theory and Methodology; ASME 2013 Power Transmission and Gearing Conference, V005T11A047, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-13638
https://doi.org/10.1115/DETC2013-13638
View Paper titled, Loading and Design Parameter Uncertainty in the Dynamics and Performance of High-Speed-Parallel-Helical Stage of a Wind Turbine Gearbox
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Topics: Design, Dynamics (Mechanics), Mechanical drives, Uncertainty, Wind turbines, Failure, Manufacturing, Probability, Reliability, Dimensions
Proceedings Papers

Uncertainty Considerations in the Dynamics of Gear-Pair

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Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Proc. ASME. IMECE2012, Volume 4: Dynamics, Control and Uncertainty, Parts A and B, 1123-1132, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-89751
https://doi.org/10.1115/IMECE2012-89751
View Paper titled, Uncertainty Considerations in the Dynamics of Gear-Pair
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Topics: Dynamics (Mechanics), Gears, Uncertainty, Design, Computer software, Dimensions, Engineering design processes, Errors, Failure, Manufacturing
Journal Articles

Uncertainty Considerations in the Dynamic Loading and Failure of Spur Gear Pairs

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Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. August 2013, 135(8): 084501.
Paper No: MD-12-1439
https://doi.org/10.1115/1.4023870
Published Online: July 20, 2013
View Articletitled, Uncertainty Considerations in the Dynamic Loading and Failure of Spur Gear Pairs
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Topics: Failure, Fatigue life, Gears, Probability, Reliability, Stress, Uncertainty, Bending (Stress), Spur gears, Design
Proceedings Papers

Probabilistic Multibody Modeling of Gearboxes for Wind Turbines

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Fisseha M. Alemayehu, Stephen Ekwaro-Osire
Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 793-804, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-64639
https://doi.org/10.1115/IMECE2011-64639
View Paper titled, Probabilistic Multibody Modeling of Gearboxes for Wind Turbines
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Topics: Modeling, Wind turbines, Design, Failure, Reliability, Uncertainty, Wind, Downtime, Dynamic modeling, Mechanical drives