Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 82 for “"Other Mechanical Engineering"”.
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Design of educational engineering projects fabricated with the laser-cutter and CNC wire bender
… is to design educational project enclosures for engineering students at MIT that utilize the laser-cutter, CNC "DiWire" wire bender and various other mechanical engineering tools. Introducing students to the laser-cutter and wire bender gives them hands-on experience with some exciting mechanical …
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Simulations And Experiments Of Fuel Injection, Mixing And Combustion In Di Gasoline Engines
<p>Direct Injection (DI) has been known for its improved performance and efficiency in gasoline spark-ignition engines. In order to take all the advantages of the GDI technology, it is important to investigate in detail the interactions of fuel spray and combustion system, such as air-fuel mixing, …
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Design and Implementation of a Modular Human-Robot Interaction Framework
… advances in medical technology comes a host of other age-related disabilities. Among these are neuro-degenerative diseases such as Alzheimer's disease, Parkinson's disease, and stroke, which significantly reduce the motor and cognitive ability of affected individuals. As these diseases become …
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Composite Structure Ultimate Strength Prediction from Acoustic Emission Amplitude Data
<p>The acoustic emission (AE) given off by a structure as it is stressed provides a passive means to characterize flaw growth activity in complex structures. This thesis demonstrates how the qualitative analysis of AE data can be refined to provide a quantitative tool for predicting the ultimate …
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Design and Implementation of the Kinect Controlled Electro-Mechanical Skeleton (K.C.E.M.S)
… was able to mimic many human movements but was mechanically limited in the shoulders. Its movements were slower then real-time due to the inability for the controller to handle real-time motions. This research was presented and published at the 2012 SouthEastCon. Along with this, research papers …
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Improvement of Labyrinth Seal Leakage Rates Using Additive Manufacturing
<p>The growing popularity of additive manufacturing in commercial applications has al- lowed for new ideas and new ways of thinking when designing components. Further optimization at the component level is possible, though powder metallurgy is in its infancy. This study explores the possibility of …
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Measurement and Analysis of the Physical and Climatic Distribution Environment for Air Package Shipment
<p>The modern air parcel distribution industry has significantly grown to become one of the most commonly employed methods to quickly transport goods throughout the world. Although it comes with many benefits, including higher speed, greater reliability, and tighter security, the multimodal …
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Characterization of Glow Plug and HCCI Combustion Processes in a Small Volume at High Engine Speed - Load Range, Emission Characteristics and Optical Diagnostics
The objective of this research that has taken me halfway to my PhD degree was to understand how HCCI combustion behaves in a small volume at high rotational speed. The investigation has been carried out using a modified model airplane engine. The whole study can be divided into two main parts; in …
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Generalizable Methods for Modeling Lumbar Spine Kinematics
… and may advance the development of biomechanical models. Kinematics describes motion of the five lumbar vertebrae without consideration for the forces that cause the motion. Despite considerable attention from researchers and clinicians, lumbar spine kinematics are not fully understood …
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Hole-Type Aerospike Compound Nozzle Thrust Vectoring
Compound aerospike nozzles were designed and tested as part of an ongoing experimental study to determine the feasibility of thrust vectoring an aerospike nozzle with the addition of a secondary port. Earlier phases of the study have indicated that a compound aerospike nozzle could provide …
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Multi-fuel operation of modern engines; on board fuel identification
… the Center for Automotive Research (CAR) in the Mechanical Engineering Department at Wayne State University. Each of these methods yields plausible results regarding on-board fuel identification.</p>
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Understanding the Impacts of Extreme Weather on the Power Transmission Infrastructure: A Machine Learning Approach to Quantifying Risks and Enhancing Grid Resilience
… and wind tunnel experiments to estimate mechanical drag effects on power towers and incorporate these findings into a predictive model. Additionally, a socio-technical analysis is conducted to evaluate the impact of critical and interconnected infrastructure upgrades on vulnerable …
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Investigation of Design, Manufacture, Analysis, and Test of a Composite Connecting Rod Under Compression
… in performance may be achieved with respect to mechanical strength, thermal stability, and durability, while also reducing mass. Exploration of this technology applied to a connecting rod geometry was investigated through a combination of process development, manufacturing, numerical analysis …
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Dynamic Modeling of Soft Robotic Dielectric Elastomer Actuator
… materials that transduce electrical energy into mechanical deformation by means of electrostatic attraction forces from coated electrodes. Furthermore, stacking multiple single DEAs can escalate the total mechanical displacement performed by the actuator, such is the case of multilayer DEAs. The …
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An Integrated Framework For Configurable Product Assortment Planning
<p>A manufacturer's assortment is the set of products or product configurations that the company builds and offers to its customers. While the literature on assortment planning is growing in recent years, it is primarily aimed at non-durable retail and grocery products. In this study, we develop an …
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Deep Learning of Semantic Image Labels on HDR Imagery in a Maritime Environment
<p>Situational awareness in the maritime environment can be extremely challenging. The maritime environment is highly dynamic and largely undefined, requiring the perception of many potential hazards in the shared maritime environment. One particular challenge is the effect of direct-sunlight …
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Neural Network Fusion of Multi-Modal Sensor Data For Autonomous Surface Vessels
<p>Autonomous surface vessels (ASV) can potentially improve the safety of vessels traditionally operated by humans. Despite advancements in autonomous on-road vehicles, many of these advancements have yet to be realized for ASVs. This is primarily due to lacking ASV sensing platforms and public …
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