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Acoustics, Dynamics, and Controls Commons™
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Articles 1 - 6 of 6
Full-Text Articles in Acoustics, Dynamics, and Controls
System Integration Of C-Arm Robotic Prototype Using Motion Capture Guidance For Accurate Repositioning, Alireza Yazdanshenas
System Integration Of C-Arm Robotic Prototype Using Motion Capture Guidance For Accurate Repositioning, Alireza Yazdanshenas
Mechanical Engineering Theses
One of the important surgical tools in spinal surgery is the C-Arm X-ray System. The C-Arm is a large “C” shaped and manually maneuvered arm that provides surgeons and X-ray technicians the ability to take quick quality X-rays during surgery. Because of its five degrees of freedom, the C-Arm can be manually maneuvered around the patient to provide many angles and perspectives, ensuring surgical success.
This system works fine for most surgical procedures but falls short when the C-Arm must be moved out of the way for complicated surgical procedures.
The aim of this thesis is to develop an accurate …
Flow-Induced Oscillations In Floating Offshore Wind Turbines, Daniel Carlson
Flow-Induced Oscillations In Floating Offshore Wind Turbines, Daniel Carlson
Doctoral Dissertations
The goal of this thesis is to experimentally study the structural dynamics, wake interaction, and fluid forces on the multiple-degree of freedom systems typical of floating wind turbines. Vortex--surface alignment about flexibly-mounted prisms is studied to investigate the response of barges and semi-submersible hulls, and new results pertaining to the galloping response kink for a prism with dual inline--crossflow resonance is presented. Flow--induced oscillations of a spar model free to rotate in 3D space is replicated and observed as 2D figure--eight orbits about the center of the spar. Methods to suppress the flow from exciting the spar are proposed. The …
Analysis And Control Of Fiber-Reinforced Elastomeric Enclosures (Frees), Soheil Habibian
Analysis And Control Of Fiber-Reinforced Elastomeric Enclosures (Frees), Soheil Habibian
Master’s Theses
While rigid robots are extensively used in various applications, they are limited in the tasks they can perform and can be unsafe in close human-robot interactions. Soft robots on the other hand surpass the capabilities of rigid robots in several ways, such as compatibility with the work environments, degrees of freedom, manufacturing costs, and safe interactions with the environment. This thesis studies the behavior of Fiber-Reinforced Elastomeric Enclosures (FREEs) as a particular type of soft pneumatic actuator that can be used in soft manipulators. A dynamic lumped-parameter model is created to simulate the motion of a single FREE under various …
Experimental Characterization Of Hydraulic System Sound, Ben Kolb
Experimental Characterization Of Hydraulic System Sound, Ben Kolb
Dissertations, Master's Theses and Master's Reports
The purpose of this research was to establish test methods for characterizing the interaction between the hydraulic fluid and hydraulic hose at clipping points in mobile heavy equipment hydraulic systems. A simple hydraulic circuit test bench was developed and the laboratory axial piston pump was characterized using ISO 10767-1. A direct relationship between the fluidborne noise and structureborne noise present at each hose clip location was observed for a specific operating condition using operating deflection shapes and structureborne noise measurements. This result shows that optimal hose clip placement can be a viable solution to structureborne noise reduction. Additionally, a modal …
Development Of A Fused Deposition 3d Printed Buoy And Method For Quantifying Wave Tank Reflections, Samantha G. Swartzmiller
Development Of A Fused Deposition 3d Printed Buoy And Method For Quantifying Wave Tank Reflections, Samantha G. Swartzmiller
Dissertations, Master's Theses and Master's Reports
Testing model scale prototypes is integral to the development of wave energy converter (WEC) technology. Model scale WECs are tested in wave tanks where they are subjected to repeatable wave fields. Their presence in water creates radiated waves that eventually reflect off tank walls disrupting the intended wave field. Fabrication of model scale WECs is another developing aspect of tank testing. Often model WECs are built of foam. Additive manufacturing is a promising alternative although the most common method, fused deposition modeling (FDM) 3D printing, does not typically produce waterproof parts. The goals of this work were 1) develop a …
Expendable 3d Printed Rescue Drone, Matthew Chapman, Nathan Knutty, Matthew Chapman
Expendable 3d Printed Rescue Drone, Matthew Chapman, Nathan Knutty, Matthew Chapman
Williams Honors College, Honors Research Projects
This project team designed a 3D printed, expendable drone capable of flying for 80 minutes with a 5 lb payload in order to deliver rescue supplies to individuals in distress.