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Author:

Furlong, Trent

Title:

Tool Condition Monitoring Using the Hilbert-Huang Transform: An Application to Vibration and Motor Current Signals

Graduate Program:

Acoustics

Keywords:

Hilbert-Huang transform
Tool condition monitoring
Vibration analysis
Motor current analysis
Empirical mode decomposition
Marginal Hilbert spectrum
Drilling

File:

Download Furlong_MS_Thesis_Final_Grad_School.pdf

Committee Members:

Karl Martin Reichard, Thesis Advisor/Co-Advisor
Victor Ward Sparrow, Program Head/Chair
David Carl Swanson, Committee Member
Daniel C Brown, Jr., Committee Member

Author:

Carder, Nicholas

Title:

Viability of Motor Current Sensors for Tool Condition Monitoring During Peck Drilling Operations with Coolant and Inverter-Fed AC Motors

Graduate Program:

Acoustics

Keywords:

Tool Condition Monitoring
Condition-Based Maintenance
CNC Machines
Tool Health
Motor Current
Motor Current Spectrum Analysis
Current Rise Index
Total Harmonic Distortion
Vibration
Drilling
Prognostic Health Management
Machining

File:

Download Thesis_Carder_v13.pdf

Committee Members:

Karl Martin Reichard, Thesis Advisor/Co-Advisor
Victor Ward Sparrow, Program Head/Chair
Daniel C Brown, Jr., Committee Member
Stephen Thompson, Committee Member

Author:

Lee, Lu

Title:

Numerical Study on Fracture Sealing Capability of Lost Circulation Materials

Graduate Program:

Energy and Mineral Engineering

Keywords:

Lost Circulation
Drilling
Particulate Flow
Numerical Simulation
Fracture Sealing

File:

Download Lu_LEE_Dissertation.pdf

Committee Members:

Corina Drapaca, Outside Unit & Field Member
Gregory King, Major Field Member
Derek Elsworth, Major Field Member
Arash Dahi Taleghani, Chair & Dissertation Advisor
Mort D Webster, Program Head/Chair