5153 research outputs found
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Real-Time Robot Control Using Leap Motion A Concept of Human-Robot Interaction
No full text© ASEE 2015With the advent of robots in various industries, countless tasks that are complex for humans are made easier than ever before. Thanks to their functionality and accuracy we are able to achieve high productivity while investing less cost. As we see into our future of manufacturing industries, we also see that robots will replace most of the human workers to achieve faster production. All these areas use automated robotic arms which do certain tasks assigned to them with amazing speeds and pin point accuracy, because of the mathematical calculations done by the computer and are not manually controlled by humans. However, no robot can match the dexterity of a human hand. In order to control a robotic arm manually, the operator should carefully manipulate every joint in the arm to a perfect angle. Just as it sounds, it is very tedious to control them manually, that’s why they are left to the computers. But, areas such as medicine, space research, and military robotics require robot arms to be manually controlled to operate with objects that cannot be dealt with human hands. Existing systems provide traditional controllers that are not efficient to handle a robotic arm and is time consuming. To achieve speed and accuracy like automated robots, we need a new approach that can bridge this gap. Here comes the Leap Motion Technology, a latest invention in Human-Computer interaction area. Using this device we track a human hand in air accurate to millimeter. The position of hand is then used to calculate the joint angles that in turn help us to rotate the robotic arm joints by the computer with blazing speeds
The Role of Bile Acids in Cholecystectomy and Colorectal Cancer
No full textThis thesis is being archived as a Digitized Shelf Copy for campus access to current students and staff only. We currently cannot provide this open access without the author's permission. If you are the author of this work and desire to provide it open access or wish access removed, please contact the Wahlstrom Library to discuss permission.Digestive diseases have been reported by the CDC as the third largest illness of great economic burden in the United States. The cost of gallbladder disease causing digestive illness has been estimated to be more than a billion of dollars in direct medical care. The disease occurs in 10% of the population and is higher among women and elderly. About 776,000 patients was diagnosed with gallstones in 1984 and 485,000 of these patients received a cholecystectomy. New prevention model consisting of risks management, screening exam, and ultrasound standard procedure were put in place in the hope of better management and prevention of gallstones disease. NHANES III have included ultrasound of the gallbladder has one of the digestive diseases diagnostic component. The procedure is performed to assess abnormalities within the gallbladder more specifically the presence of stones in 20 to 74 year old patients. This research thesis will try to decipher the importance of bile acids in digestion, gallstones formation, its many purposes in human metabolism, its detrimental effect on digestion after cholecystectomy, and its role if any in the development of colorectal cancer
The Influence of pH & it’s Effects on Germination, Leaf Number, & Growth Rate of Arabidopsis thaliana
No full textArabidopsis thaliana (Col gl1) seeds were stratified in either a pH 5.7 or pH 7.0 solution. Plates 1 & 2 had a pH 5.7 and plates 3 & 4 had a pH 7.0, 50 seeds were plated in each plate. The number of germinated seeds, leaf number, and hypocotyl length were measured every 10 days. The seeds stratified in pH 7.0 and plated in pH 5.7 have shown the most growth. The seeds stratified in pH 5.7 and plated in pH 5.7 have shown the least amount of growth. Mold contamination may have been a factor. The pH will have an effect on the germination and growth of A. thaliana due to the loss of vital nutrients
Numerical Simulation of the Dynamics of Water Droplet Impingement on a Wax Surface
No full textThe impact of droplets on solid surfaces is important for a wide range of engineering applications, such as ink-jet printing, spray cooling of hot surfaces, spray coating and painting, solder-drop deposition, blood spattering for criminal forensics and disease detection, etc. This paper simulated the dynamic process of a water droplet impinging onto a wax substrate in COMSOL, using the Phase Field method for tracking the free surface. The predicted spreading factor and apex height were validated against experimental results, showing good agreement during the dynamic impingement process. The effect of contact angles on the impingement process was also studied. The initial inertia driven spreading process is not affected by the contact angle, but the later spreading process and recoil process are significantly affected by the contact angle. The simulation results can provide a good understanding of the dynamic impingement process and provide insights on how surface wettability can affect the droplet spreading and rebounding process
Perceptions of Socially Responsible Businesses: Benefit Corporations
No full textA benefit corporation was created to allow for-profit corporate entity to overcome the gap of biased approach towards the benefit of shareholders. When filing a certification of incorporation that voluntarily meets higher standards of corporate purpose accountability, and transparency. Benefit corporations: 1. have a corporate purpose to create a material positive impact on society and the environment. 2. are required to consider the impact of their decisions not only on shareholders but also on workers, community, and the environment. 3. are required to make available to the public an annual benefit report that assesses their overall performance against a third party standard. Becoming a benefit corporation provides entrepreneurs an additional choice when determining which corporate entity is most suitable to achieve their objectives and provides existing corporations a mechanism to change their legal entity election. In this exploratory research, we aim to investigate perceptions of the new election by consumers and entrepreneurs, and compare the differences in those perceptions
A Little Something for Me and Maybe for You, too: Promotions that Relieve Guilt
No full textThe goal of this research was to investigate whether considering the balances of intrapersonal and interpersonal consumption would reduce consumption guilt. Feelings of guilt discourage many consumers from purchasing products and services they associate primarily with pleasure (Okada 2005), especially when consuming them is considered unhealthy or improper (Prelec and Herrnstein 1991), models or packages that are higher priced because they include unnecessary features (Nowlis and Simonson 1996), and other items whose purchase is perceived as violating social or cultural norms (Lascu 1991; Thaler and Shefrin, 1981). We show that gift-with-purchase promotions designed with careful attention to the nature of the gift and its intended user can reduce guilt by counterbalancing the self-indulgence or creating a favorable comparison with another’s consumption
The Role of the Gastrointestinal Tract in Autism Spectrum Disorder
No full textThis thesis is being archived as a Digitized Shelf Copy for campus access to current students and staff only. We currently cannot provide this open access without the author's permission. If you are the author of this work and desire to provide it open access or wish access removed, please contact the Wahlstrom Library to discuss permission.Objective - The purpose of this literature review was to determine if there was an component of gastrointestinal involvement in children with autism spectrum disorder. This study reviewed the correlation of gastrointestinal issues in ASD. Additionally specific areas of study that correlate to ASD and GI issues were explored. They included dysbiosis, constipation, neuroinflammation, GI immunity, GFCF diet, and sensory/feeding behaviors. Basic Procedures - The primary search engine used for research was Eureka. Key word phrases searched were “ autism and gastrointestinal”, “autism and immune system”, “autism and neuroinfammation”, “autism and dysbiosis”, “autism and sensory processing”, “autism and constipation”, “autism and holistic healthcare”, “GFCF diet”, “autism, gut, brain connection”. Papers were chosen that were free whole articles and written within the last 10-15 years. Main Finding - Children with ASD suffer from gastrointestinal illnesses that typically go undiagnosed and undertreated. Principle Conclusions - Children with ASD present with challenging behaviors and limited ability to communicate that inhibit the process of assessing, diagnosing and treating their medical conditions. They present with GI compromises that most likely are contributing to their behavioral challenges. The relationship between the compromised gut, immune system and neuroinflammation need to be better understood and treated in order to help restore homeobalance and improved health. As Naturopathic Doctors we are well prepared to address these medical conditions that are the root of autism
Fabrication of Graphene Oxide Nanofibrous Thin Film using Electrojet Spraying
No full textGraphene oxide (GO) is a promising material with excellent properties. The GO has an aromatic lattice sheets of graphene with multi oxygen functional groups, such as ketone, carboxyl, and carbonyl groups. The addition of these groups is resulting from an oxidation treatment of the graphene. Go has the ability to exfoliate in many solvents and disperse in the water. Hummers method is an improved way to synthesize the GO because no toxic gas forms in yield. It is a reversible material, so the graphite can be restored from the GO within electrochemical reduction. The advantage of the GO gives it the chance to take a part of various applications. The electrical and the mechanical are the main fields for the GO. Many groups made films and nanofibers of GO by using a combination of GO with other substances like, solvents or polymers to enhance the viscosity of the GO1. The aim of this work is to form the GO nanofibers from it owns film, which means self-assembly of the GO nanofibers. Furthermore, the GO which been used is pure. Two different techniques have been followed to overcome the viscosity issue of the GO. Electrospinning for the GO solution preformed as the first method. In this method the potential difference between the syringe and the collector causing an electric filed to draw the solution and form the fibers. The second method was vacuum filtration where the vacuum is used to absorb all the liquids and leave the GO over the filter to get fibers. These GO thin films can be used in plethora or applications such as energy storage, water and like solution filtration, oil and water separations and many more
Improving Cloud System Reliability Using Autonomous Agent Technology
No full textCloud computing platforms provide efficient and flexible ways to offer services and computation facilities to users. Service providers acquire resources according to their requirements and deploy their services in cloud. Service consumers can access services over networks. In cloud computing, virtualization techniques allow cloud providers provide computation and storage resources according to users’ requirement. However, reliability in the cloud is an important factor to measure the performance of a virtualized cloud computing platform. Reliability in cloud computing includes the usability and availability. Usability is defined as cloud computing platform provides functional and easy-to-use computation resources to users. In order to ensure usability, configurations and management policies have to be maintained and deployed by cloud computing providers. Availability of cloud is defined as cloud computing platform provides stable and reliable computation resources to users. My research concentrates on improving usability and availability of cloud computing platforms. I proposed a customized agent-based reliability monitoring framework to increase reliability of cloud computing
The analysis to the international competitiveness of the labor-intensive industry of China
No full textGe Xiaowei's poster on labor and labor-intensive industry in China