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 83 for “"Wireless sensors"”.
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Unpowered wireless sensors for structural health monitoring
The rapid advancement of wireless technology has allowed the development of new sensor technologies for many different applications. Unfortunately, many of the sensor systems have a substantial cost and require a continuous power source. A new class of sensors is proposed for use in situations …
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Energy-efficient wireless sensors : fewer bits, Moore MEMS
Adoption of wireless sensor network (WSN) technology could enable improved efficiency across a variety of industries that include building management, agriculture, transportation, and health care. Most of the technical challenges of WSNs can be linked to the stringent energy constraints of each …
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A framework for integrating wireless sensors and cloud computing
Wireless sensors generate a large volume of data that require a highly scalable framework that enables storage, processing, and analysis. Cloud computing technology can provide unlimited storage in addition to a flexible processing infrastructure, allowing for the management and analysis of vast …
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Embedded Antennas In Concrete For Application In Wireless Sensors
… Compared with expensive wired embedded sensors, wireless embedded sensors are easily deployable, low-cost, and can monitor in real time to minimize maintenance and inspection cycles. The built-in batteries in wireless embedded sensors need to be charged inductively. The proposed wireless …
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Vehicle detection and tracking using wireless sensors and video cameras
… the development of a surveillance testbed using wireless sensors and video cameras for vehicle detection and tracking. The experimental study includes testbed design and discusses some of the implementation issues in using wireless sensors and video cameras for a practical application. A group of …
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Proximity Coupled Non-Intrusive Wireless Sensors For Monitoring and Diagnostics
<p>Automated wireless sensors to monitor infrastructure, such as power systems have drawn a great deal of attention in the research community recently. To ensure reliable and uninterrupted power supply, sensors can be developed which will probe the power cables non-intrusively, transmit the fault …
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LOW-POWER LOW-VOLTAGE ANALOG CIRCUIT TECHNIQUES FOR WIRELESS SENSORS
… analog circuit techniques suitable for wireless sensor applications. Wireless sensors have been used in a wide range of applications and will become ubiquitous with the revolution of internet of things (IoT). Due to the demand of low cost, miniature desirable size and long operating …
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A Novel Method of Determining Sediment Transport using Ultrasonic Wireless Sensors
… of ultrasonic distance measurement and Wireless Sensor Network (WSN) technologies. This technique will enable effective coastal monitoring via regular acquisition of underwater data over a long period of time. Practical results from proof of principle testing were obtained from …
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Wireless Sensors for Condition Monitoring Applications Operating in Complete Metallic Environment
… such as temperature, vibration, and strain using sensors and consequent data analysis can help in reducing machine downtime by taking corrective actions before failure. Various wireless and wired sensors may be attached to critical components such as bearings, gears, mechanical seals, shafts etc. …
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A platform for high-speed biomechanical analysis using wearable wireless sensors
Humanity's desire to capture and understand motion started in 1878 and has continually evolved. Today, the best-of- breed technology for capturing motion are marker based optical systems that leverage high speed cameras. While these systems are excellent at providing positional information, they …
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Harvesting energy from electric fields for powering wireless sensors within air-insulated substations
… has hindered the large scale installation of wireless condition monitoring sensors in the electricity grid. Electric fields of elevated strength exist in high voltage plants, such as air-insulated substations. Advances in technology have been reducing the power consumption of wireless sensors. …
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Quantifying gait stability based on body segment coordination relationships measured with wireless sensors
… walked on a treadmill at a range of speeds while wireless inertial sensors measured foot and trunk acceleration. The ratio of acceleration variability between upper and lower body segments, referred to as the gait stability index (GSI), was used to represent the segment coordination relationship …
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Water level monitoring and controlling of water treatment plants using wireless sensors in LabVIEW
… tanks of water treatment plants by using wireless sensors network. The design and developed prototype of remote monitoring and controlling system of water levels in various tanks can be used in different parts of the water treatment plants. We have proposed, developed and tested hardware …
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Using wireless sensors and networks program for chemical particle propagation mapping and chemical source localization
… environment engineering. This dissertation used wireless sensor and sensor networks to get chemical particle propagation mapping and chemical source localization. First, the chemical particle propagation mapping is built using interpolation and extrapolation methods. The interpolation method get …
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Health technology : design of bandage-sized wireless sensors and effect of ambient displays on social support and diabetes management
… The first exploration involves the design of a wireless bandage-sized ECG sensor to create a personal and interpersonal network of health sensors. The second exploration designs and evaluates an ambient blood glucose level visualization and feedback system for diabetes self-care and social …
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Behaviour recognition and monitoring of the elderly using wearable wireless sensors. Dynamic behaviour modelling and nonlinear classification methods and implementation.
In partnership with iMonSys - an emerging company in the passive care field - a new system, 'Verity', is being developed to fulfil the role of a passive behaviour monitoring and alert detection device, providing an unobtrusive level of care and assessing an individual's changing behaviour and …
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An Energy-Efficient Medium Access Control Protocol for Wireless Sensor Networks "V-MAC"
Wireless sensor networks (WSNs) are composed of hundreds of wireless sensors which collaborate to perform a common task. Because of the small size of wireless sensors, they have some serious limitations including very low computation capability and battery reserve. Such resource limitations require …
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Efficient data to decision pipelines for embedded and social sensing
… Due to the pervasive presence of wired sensors, wireless sensors, and mobile devices, the amount of data about the physical world (environmental measurements, traffic, etc.) and human societies (news, trends, conversations, intelligence reports, etc.) reaches an unprecedented rate and …
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Building compressed sensing systems : sensors and analog-to-information converters
… architectures in communication systems. CS-based wireless sensors and analog-to-information converters (AIC) are two examples of CS-based systems. It has been claimed that such systems can potentially provide higher performance and lower power consumption compared to traditional systems. However, …
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