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 8 of 8 for “"low power sensor"”.
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Amplifier and data converter techniques for low power sensor interfaces
Sensor interfaces circuits are integral components of wireless sensor nodes, and improvements to their energy-efficiency help enable long-term medical and industrial monitoring applications. This thesis explores both analog and algorithmic energy-saving techniques in the sensor interface signal …
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Low-Power and High Precision Sensing Circuit for a Three-Channel Electrochemical Sensor
A discrete, compact, low-power sensor readout circuit that can simultaneously handle two current measurements, and one voltage measurement. This work provides a compact, low-power sensor architecture, with the intent for the serial readout to be replaced with a low-power radio frequency transmitter …
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A nano-stepping robotic instrumentation platform
… and manipulation systems by offering a low-cost, scalable alternative with comparable performance and extended functionality and flexibility. The design, fabrication, and evaluation the various electrical, mechanical, and software subsystems are discussed. Device prototypes are …
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An agent based layered framework to facilitate intelligent Wireless Sensor Networks
Wireless Sensor Networks (WSNs) are networks of small, typically low-cost hardware devices which are able to sense various physical phenomenon in their surrounding environments. These simple nodes are also able to perform basic processing and wirelessly communicate with each other. The power of …
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Extending the Senses of Ubiquitous Devices
… smart devices come equipped with a wide array of sensors, many of which can be repurposed for functionalities beyond their original intent through side-channel sensing. While this technique offers innovative uses without altering hardware, the enhancements it provides are often modest. In …
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Software-hardware systems for the Internet-of-Things
… constraints. Some applications work with small sensors and operate using minimal energy and bandwidth. Others use high-data-rate multimedia and virtual reality systems, which require multiple-gigabits-per-second throughput and substantial computing power. While both extremes stress the …
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RFID as a key enabler of the internet of things : localization and communication
… values through advance analytics. Owing to its low cost, small form factor, and its ability to communicate without a battery, RFID has emerged as a key enabler for digitally connecting, identifying, and tracking everyday objects. Each year, billions of RFIDs are being deployed to tag retail …
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Wide-Dynamic-Range Continuous-Time Delta-Sigma A/D Converter for Low-Power Energy Scavenging Applications
… control applications rely on wide-dynamic-range sensors and A/D converter systems. For most photo-detector-based applications, the input-current is integrated onto a capacitor, either with a variable time, or a variable capacitor value, followed by a sample-and-hold and a voltage A/D converter. …