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 70 for “"backpack"”.
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Backpack Energy Harvester with Human Walking Model
… to design, analyze, and fabricate an innovative backpack energy harvester for human walking. To model human walking with backpack energy harvester, a simple dual-mass model has been developed and studied first. Dual-mass model for three types of distinct harvesters were investigated, pure …
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Backpack travellers using commercial backpacker accommodation in Queensland
The Backpacker market in Queensland has emerged as an important segment of the tourism system in Australia. The Backpack traveller is predominantly from overseas and is seeking a particular type of travel experience. In order to maintain this style of travel, Backpack travellers are away from home …
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Development, Validation, and Testing of a Novel Ergonomic Backpack
<p>Backpacks (BP) are one of the most common means for carrying loads but the loading mechanics that result from carrying heavy loads can have implications across the body. It has been suggested that loads in a BP should not excess 10-15% of the user’s body weight (BW) but that is not always …
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The Effect of Backpack Carrying on the Gait of Young Children
1 PDF file (89 leaves)
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Effects of Two Backpack Weight Distributions on Perceptual and Physiological Measures During Walking
Backpack weight distribution may affect economy by conserving energy and thus potentially prolonging fatigue. Research has not however examined effects of backpack weight distribution on subjective measures of intensity and comfort. Heart rate (HR) and overall and differentiated Ratings of …
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A Pilot Study of a Summer School Food Backpack program for Students and Their Caregivers
… food preparation classes that are paired with a backpack of food. <br /><strong>Objective</strong>: Determine if the program ingredients were used at home, if the necessary cooking tools were available and if the overall awareness and motivation to eat healthier was increased. Also, too determine …
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The effect of backpack load on trunk kinematics of imitated pathological gait: a case study
<p>Background: It is well documented that loaded backpacks affect the biomechanics of gait in both children and adults. Minimal information is available with regard to the effects of backpacks on the biomechanics of gait in individuals with clinical gait abnormalities, such as those seen in …
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Assessment of Power Generation, Dynamic Interaction and Human Comfort of a Suspended Energy Harvesting Backpack
… working and trying to make it happen. Suspended backpack is an effective way to harvest energy from human motions.This study evaluates different energy harvesting backpack configurations and comprehensively assessed the power generation, dynamic interaction and human comfort. Dynamic modelling …
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Energy Harvesting from the Human Body for Wearable and Mobile Devices
… harvesting are explored, i.e, energy harvesting backpack, negative muscle work harvester, and energy harvesting tile/paver. The energy harvesting backpack was invented in 2006. Extensive work was done to improve the performance of backpack energy harvester. The backpack is modeled as a …
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Distributed Intelligence for Multi-Agent Systems in Search and Rescue
… wearable compute cluster in the form factor of a backpack. The backpack allows offloading compute intensive tasks such as Lost Person Behavior Modelling, Path Planning and Deep Neural Network based computer vision applications away from the UAVs and offers significantly high performance computers …
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Functional "backpacks" for cellular engineering
… on the techniques to create a heterostructured backpack. Photolithographic methods were developed to geometrically pattern multilayer films into a desired size and shape. A host of polymer multilayer systems labile at physiologically relevant pH's were built and tested as a way to release the …
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Attachment of polyelectrolyte multilayers to cells and the implications on cell behavior
… systems. An example of this is the cell backpack, which consists of a circular, polymeric patch, microns in diameter and hundreds of nanometers thick, attached to the surface of a cell. Unlike passive delivery systems, cells have the ability to use signaling and trafficking to actively …
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Survey Techniques to Examine Morphological Evolution of Coastal Regions
… daily by a walker carrying a GPS-equipped backpack and occasionally with a lidar equipped drone. Surveys of the northern region of interest also were collected with a stationary terrestrial lidar mounted on the dune. The observed morphological events include the destruction and formation of …
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Extra robotic legs for augmenting human payload and positioning capabilities
… articulated robot legs that help bear a heavy backpack payload and a portion of the operator's own weight. The design was driven by a need to increase the effectiveness of Department of Energy hazardous material emergency response personnel who are encumbered by their Personal Protective …
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Design of a quasi-passive parallel leg exoskeleton to augment load carrying for walking
… metabolic walking economy for carrying a 751b backpack compared with a leg exoskeleton without any elastic energy storage or variable-damping capability. I further anticipate that the quasi-passive leg exoskeleton will improve walking economy for carrying a 751b backpack compared with …
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Psychophysical assessment of load-carrying in internal and external-frame backpacks
… could have significant effects on the maximum backpack load acceptable to subjects. Four males and four females, who were accustomed to walking with backpacks, were given 15 minutes to adjust the load until it was, in their judgment, neither too heavy nor too light for an 8-hour trek. The …
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A Wireless Surface Electromyography (WSEMG) System
… between the surface mounted sensor nodes and a backpack worn by the patient. As the number of sensors increases, the patient's freedom of mobility decreases due to the lengthy data cables linked between the surface sensors and the backpack. An N-channel wireless SEMG system has been developed …
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Effects of deceptive behavior on biomechanical measures of standing posture
… interview. Participants were required to pack a backpack with various items. One group of participants had items that were "prohibited", whereas the other group had equivalent, non-prohibited control items. Both groups were questioned about the contents of the backpack. The group with …
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Fish Community Structure and Associated Habitat in the James River, Southwest Missouri
… populations due to human disturbances. Boat and backpack electrofishing methods were used to determine fish populations at six sites, and previously published fish-based metrics were tested using Pearson correlation and principal components analysis to determine if they display changes in …
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"""Some of these kids are gonna be my nurses, some of these kids are gonna be my doctors, but they can't be if they're hungry"": a qualitative inquiry of a school-based weekend feeding program"
… public health problem in the United States. The Backpack Program has been adopted by schools across the country and provides students with food-filled backpacks to carry home for weekend meals. Because the selection process for this program has been minimally explored, this study used twenty …
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