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Articles 31 - 39 of 39
Full-Text Articles in Electro-Mechanical Systems
Adaptive Control For Autonomous Navigation Of Mobile Robots Considering Time Delay And Uncertainty, Stephen Kofi Armah
Adaptive Control For Autonomous Navigation Of Mobile Robots Considering Time Delay And Uncertainty, Stephen Kofi Armah
Dissertations
Autonomous control of mobile robots has attracted considerable attention of researchers in the areas of robotics and autonomous systems during the past decades. One of the goals in the field of mobile robotics is development of platforms that robustly operate in given, partially unknown, or unpredictable environments and offer desired services to humans. Autonomous mobile robots need to be equipped with effective, robust and/or adaptive, navigation control systems. In spite of enormous reported work on autonomous navigation control systems for mobile robots, achieving the goal above is still an open problem. Robustness and reliability of the controlled system can always …
La0.6Sr1.4Mno4+Δ Layered Perovskite Oxide: Enhanced Catalytic Activity For The Oxygen Reduction Reaction, Yarong Wang, Zhibin Yang, Fanliang Liu, Chao Jin, Jiao Wu, Ming Shen, Ruizhi Yang, Fanglin Chen
La0.6Sr1.4Mno4+Δ Layered Perovskite Oxide: Enhanced Catalytic Activity For The Oxygen Reduction Reaction, Yarong Wang, Zhibin Yang, Fanliang Liu, Chao Jin, Jiao Wu, Ming Shen, Ruizhi Yang, Fanglin Chen
Faculty Publications
Efficient electrocatalysts for the oxygen reduction reaction (ORR) is a critical factor to influence the performance of lithium–oxygen batteries. In this study, La0.6Sr1.4MnO4+δ layered perovskite oxide as a highly active electrocatalyst for the ORR has been prepared, and a carbon-coating layer with thickness <5 nm has been successfully introduced to enhance the electronic conductivity of the as-prepared oxide. XRD, XPS, Raman, SEM and TEM measurements were carried out to characterize the crystalline structure and morphology of these samples. Rotating ring-disk electrode (RRDE) technique has been used to study catalytic activities of the as-prepared catalysts for the ORR in 0.1 M KOH media. RRDE results reveal that carbon-coated La0.6Sr1.4MnO4+δ exhibits better catalytic activity for the ORR. For the carbon-coated La0.6Sr1.4MnO4+δ, the ORR proceeds predominately via a direct four electron process, and a maximum cathodic current density of 6.70 mA cm−2 at 2500 rpm has been obtained, …
Effect Of Heating And Ionization Of Four Atomizing Gases On The Spray Characteristics Of A High Volume Low Pressure Spray Atomizer, Anthony V. Adornato
Effect Of Heating And Ionization Of Four Atomizing Gases On The Spray Characteristics Of A High Volume Low Pressure Spray Atomizer, Anthony V. Adornato
Theses and Dissertations--Mechanical and Aerospace Engineering
The disintegration of a liquid jet emerging from a nozzle by a high speed gas stream has been under investigation of several decades. A result of the liquid jet disintegration is droplet formation. This process is referred to as atomization. Industrial applications use atomization as a method for applying coatings to substrates. It has been reported that the use of other atomizing gases instead of compressed plant air will positively affect paint droplet size distributions, spray patterns and finish qualities; furthermore, the ionization and heating of the atomizing gas was reported to positively affect finish qualities. Although ionization techniques have …
2015 Afrl University Design Challenge, Daniel Slattery, Andrew P. Killmeyer, Brandon Null, Brendan Jones, Casey Hale, Jake Stein, Jeff Quartermaine, Kevin Rolik, Nick Tsangeos, Sam Moats, Marisa Seeley
2015 Afrl University Design Challenge, Daniel Slattery, Andrew P. Killmeyer, Brandon Null, Brendan Jones, Casey Hale, Jake Stein, Jeff Quartermaine, Kevin Rolik, Nick Tsangeos, Sam Moats, Marisa Seeley
Williams Honors College, Honors Research Projects
The University of Akron’s Air Force Research Laboratory’s Design Challenge Team has engineered a Heat Stress Prevention Kit that includes a facial mask in which the soldier will cool down from the inside out by breathing in the cool air circulating throughout the mask. This cool air is produced from a thermoelectric chip, which has a specific temperature difference on either side, one hot and one cold. Each of the sides is isolated from one another and with the combination of heat sinks, fans, and the simple process of breathing, a system is created by inhaling cool air. The entire …
Senior Design: Kong Toy Instruction-Manual Insertion, Rachael L. Innocenzi, Ashley N. Cuthbert, Marianna R. Smith
Senior Design: Kong Toy Instruction-Manual Insertion, Rachael L. Innocenzi, Ashley N. Cuthbert, Marianna R. Smith
Williams Honors College, Honors Research Projects
The team’s goal is to design and test a prototype and procedure that will automate the insertion of the Kong toy instructions into the cardboard packaging. This automation will increase the speed at which the product is packaged and will serve as an aid to workers with limited dexterity who find the task cumbersome.
Senior Design:Kong Toy Instruction-Manual Insertion, Ashley N. Cuthbert, Rachael L. Innocenzi, Marianna R. Smith
Senior Design:Kong Toy Instruction-Manual Insertion, Ashley N. Cuthbert, Rachael L. Innocenzi, Marianna R. Smith
Williams Honors College, Honors Research Projects
The team’s goal is to design and test a prototype and procedure that will automate the insertion of the Kong toy instructions into the cardboard packaging. This automation will increase the speed at which the product is packaged and will serve as an aid to workers with limited dexterity who find the task cumbersome.
Development And Operation Of A Mobile Test Facility For Education, Christopher Davis
Development And Operation Of A Mobile Test Facility For Education, Christopher Davis
Dissertations, Master's Theses and Master's Reports
The automotive industry saw a large shift towards vehicle electrification after the turn of the century. It became necessary to ensure that new and existing engineers were qualified to design and calibrate these new systems. To ensure this training, Michigan Tech received a grant to develop a curriculum based around vehicle electrification. As part of this agenda, the Michigan Tech Mobile Laboratory was developed to provide hands-on training for professional engineers and technicians in hybrid electric vehicles and vehicle electrification. The Mobile Lab has since then increased the scope of the delivered curriculum to include other automotive areas and even …
Integration Of Mechatronics Design Approach Into Teaching Of Modeling Practices, Vukica M. Jovanovic, Tatiana V. Goris, Ana M. Djuric, Petros J. Katsioloudis, Nathan J. Luetke, Moustafa R. Moustafa, Basim Matrood
Integration Of Mechatronics Design Approach Into Teaching Of Modeling Practices, Vukica M. Jovanovic, Tatiana V. Goris, Ana M. Djuric, Petros J. Katsioloudis, Nathan J. Luetke, Moustafa R. Moustafa, Basim Matrood
Engineering Technology Faculty Publications
Engineering design has transformed significantly due to advances in embedded system design and computer technologies. Almost every mechanical design today has some electrical and electronic components. Many products manufactured today contain both electrical and mechanical components and systems. Mechatronics is a design process that is multi-disciplinary in nature and integrates principles of many engineering disciplines including, but not limited to, mechanical engineering and mechanical engineering technology, electrical engineering and electrical engineering technology, and controls engineering. Mechatronic systems can be found in many different places today. These range from computer hard drives and robotic assembly systems, to washing machines, coffee makers, …
Design And Implementation Of An Interactive Animatronic System For Guest Response Analysis, Brian Burns
Design And Implementation Of An Interactive Animatronic System For Guest Response Analysis, Brian Burns
College of Graduate Studies: Theses & Dissertations
In theme park based entertainment applications, there is a need for interactive, autonomous animatronic systems to create engaging and compelling experiences for the guests. The animatronic figures must identify the guests and recognize their status in dynamic interactions for enhanced acceptance and effectiveness as socially interactive agents, in the general framework of human-robot interactions. The design and implementation of an interactive, autonomous animatronic system in form of a tabletop dragon and the comparisons of guest responses in its passive and interactive modes are presented in this work. The dragon capabilities include a four degrees-of-freedom head, moving wings, tail, jaw, blinking …