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 80 for “"self powered"”.
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Wearable Thermoelectric Generators for Self-Powered Electronics.
North Carolina State University Theses Electrical and Computer Engineering.
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A self-powered single-chip wireless sensor platform
… a battery or complex packaging schemes. It is powered through electromagnetic (EM) radiation using its on-chip miniature antenna that also assists with transmit and receive functions. The chip can operate at a short distance (a few centimeters) from an EM source that also serves as its wireless …
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Electromagnetic energy harvester and self-powered embedded system
… monitoring. An exciting possibility creates a "self-powered" embedded system with an integrated energy harvester for electromechanical diagnosis. This non-intrusive energy harvester is designed to extract energy from magnetic fields around a power line of a load, in the manner of a current …
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Baseline-Free and Self-Powered Structural Health Monitoring
The research presented in this thesis is based on improving current structural health monitoring (SHM) technology. Structural health monitoring is a damage detection technique that involves placing intelligent sensors on a structure, periodically recording data from the sensors, and using …
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Towards a Self-Powered Structural Health Monitoring Smart Tire
… investigates the feasibility of developing a self-powered structural health monitoring (SHM) smart tire using piezoelectric materials. While this work is divided into two components: SHM and energy harvesting, the context of smart tire in this work is defined as the development of a SHM system …
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Self-Powered Intelligent Traffic Monitoring Using IR Lidar and Camera
This thesis presents a novel self-powered infrastructural traffic monitoring approach that estimates traffic information by combining three detection techniques. The traffic information can be obtained from the presented approach includes vehicle counts, speed estimation and vehicle classification …
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GRAPHENE BASED DUAL FUNCTIONAL, SELF-POWERED PHOTODETECTOR FOR DAILY UV SENSING
ZnO quantum dots have been widely used for ultraviolent photodetectors. However, the relatively low responsivity limits the practical application. New 2D materials incorporated with quantum dots heterostructure are emerging to improve the performance of photodetector. In this work, three types of …
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A drifter-based self-powered piezoelectric sensor for ocean wave measurements
… testing; the sensor’s resolution; and the self-powering functionality of the proposed drifter-based piezoelectric sensor.
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Design and Optimization of a Self-powered Thermoelectric Car Seat Cooler
… very hot and uncomfortable on warm days. A new self-powered thermoelectric car seat cooler is presented to solve this problem. This study details the design and optimization of such a device. The design relates to the high level layout of the major components and their relation to each other in …
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Self-powered wireless sensor system using MEMS piezoelectric micro power generator (PMPG)
… wireless sensor node (Telos), to demonstrate a self-powered RF temperature sensor module. PMPG and a power management module are designed to satisfy sensor node's power requirement. An electro-mechanical model of PMPG has been developed to maximize power output. The 2nd generation PMPG is …
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Wearable Power Sources and Self-powered Sensors Based on the Triboelectric Nanogenerators
… attention in the fields of power sources and self-powered sensors. By coupling the omnipresent triboelectrification effect and the electrical induction effect, the TENGs can transduce ambient mechanical energy into electrical energy. Such energy could be consumed instantaneously or stored for …
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Laboratory Development of a Self-Powered Fontan for Treatment of Congenital Heart Disease
<p>Around 8% of all newborns with a Congenital Heart Defect (CHD) have only a single functioning ventricle. The Fontan operation has served as a palliation for this anomaly for decades, but the surgery entails multiple complications and survival rate is less than 50% by adulthood. A rapidly …
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Developing a Self-Powered, Wireless Damage Detection System for Structural Health Monitoring Applications
The research presented in this manuscript introduces an independent structural health monitoring (SHM) system capable of performing impedance-based testing and detecting shifts in resonant frequencies. This independent structural health monitoring system incorporates a low power wireless …
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Energy Harvesting Opportunities Throughout the Nuclear Power Cycle for Self-Powered Wireless Sensor Nodes
… solution, much research is being applied to self-powered sensing, implementing solutions which harvest wasted ambient energy sources to power these dedicated sensors. The adoption of not only wireless sensor nodes, but also self-powered capabilities in the nuclear energy process is critical …
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Experimental and Computational Study of Vibration-Based Energy Harvesting Systems for Self-Powered Devices
… Towards that objective, we successfully tested a self-powered real-time point-to-point wireless communication system between a vibration sensor and transmission and receiving modules. The sensing device and transmission module are powered by the vibrating object using a piezoelectric energy …
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Lumped Parameter Model for a Self Powered Fontan Palliation of the Hypoplastic Left Heart Syndrome
… is to numerically simulate the hemodynamics of a self-powered Fontan circulation aided by the reserve ventricular energy captured by the entrainment effect of an Injection Jet Shunt (IJS). A simulation is created to identify important physiological parameters caused be the IJS. By numerically …
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Self-Powered Wearable Sweat Monitoring using 2D WS2 Textile Integrated Triboelectric Nanogenerators for Future Personalized Healthcare
… This PhD thesis explores a novel class of self-powered wearable biosensors using two-dimensional tungsten disulfide (2D WS2) integrated into textile-based self-powered triboelectric nanogenerators (TENGs) devices. The research introduces a novel fabrication approach for creating self …
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Simulation of dynamic response of Self-Powered-Inconel-Neutron-Detector lead cables using a semi-empirical model
… the dynamic response of lead cables of Inconel self-powered neutron detectors in a CANDUpower reactor. The main goal was to develop a semi-empirical dynamic model of theInconel lead-cables in Ontario Power Generation’s Darlington Nuclear GenerationStation (NGS) able to simulate the lead cables’ …
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Combined Shock and Vibration Isolation Through the Self-Powered, Semi-Active Control of a Magnetorheological Damper in Parallel with an Air Spring
… the subject isolation system could be entirely self-powered from scavenged ambient shipboard vibration energy. An experiment using an energy scavenging and storage system consisting of a Piezoelectric Stack Generator and a bank of ultracapacitors showed that enough energy could be harvested to …
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Ferroelectric/piezoelectric flexible mechanical energy harvesters and stretchable epidermal sensors for medical applications
… designs, rugged lightweight construction, and self-powered operation are desired attributes for electronics that directly interface with the human body. The collective results in this dissertation suggest utility in a variety of sensors and energy harvesting components, with lightweight …
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