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 18 of 18 for “"Sensor Interface"”.
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Electrochemical sensor interface
… have led to the development of electrochemical sensors that utilize electrodes with a width of one micron or less. This increased sensitivity has opened up a range of new electrochemical sensing applications, allowing the technology to move beyond the confines of the laboratory and into …
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0.3V biopotential sensor interface for stress monitoring
Miniaturized sensor nodes have a very tight power budget, especially in the case of implantables and health monitoring devices that require long operation lifetime. Exploiting low-voltage techniques in analog design can enable further power savings, which has not been explored much. However, for …
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MULTI-CHANNEL CDMA-LIKE CAPACITIVE SENSOR INTERFACE CIRCUITS
… is governed by three components, i.e. advanced sensors, low-power and low-cost sensor interface circuits and efficient wireless connections. This thesis introduces a CDMA-like period modulation multi-capacitive-sensor interface circuit, which targets at the IoT applications. The proposed …
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Design and of eldertech health monitoring sensor interface
Motion, bed, and gait analysis sensors are installed in the homes of seniors and monitored continuously for the purpose of detecting early signs of health change as well as functional decline. Automated health alerts are distributed to clinical staff as part of a clinical decision support system. …
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The design of sensor interface circuits for electrochemical impedance spectroscopy
… RC-based equivalent AC impedance electrochemical sensor models, namely, models consisting of a resistor and a capacitor in parallel structure, cannot accurately reflect realistic sensor behavior; therefore, they do not support essential simulation analyses (e.g., transient, DC sweep, or DC …
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Software and Hardware Infrastructure for Visual-Inertial SLAM
… a simulation platform, suitable hardware, or a sensor interface. A useful simulation platform needs to capture the dynamics and the sensor modalities that meet the researchers’ needs. A suitable hardware needs to have the capability to navigate, sense the environments, and use onboard computers …
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High Voltage Analog Design in a Standard Digital CMOS Process
… that are implemented in an analog Hall-effect sensor interface. This interface has been realized in a modified 5V 0.6um CMOS process using 40V high-voltage MOS transistors that do not affect low-voltage device functionality. These circuits include a high-voltage, low-offset current sense …
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Redundant analog to digital conversion architectures in CMOS technology
… fields as communications, signal processing, and sensor interface is critically affected with robust, high performance and scalable Analog-to-Digital Converter (ADCs), that can be considered as one of the main blocks in many systems, since they are mandatory to make the link between the analog …
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Ultra-low-power circuits and systems for wearable and implantable medical devices
Advances in circuits, sensors, and energy storage elements have opened up many new possibilities in the health industry. In the area of wearable devices, the miniaturization of electronics has spurred the rapid development of wearable vital signs, activity, and fitness monitors. Maximizing the time …
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Digitally-assisted, ultra-low power circuits and systems for medical applications
… that consume energy in medical implants are sensor interfaces that collect information from biomedical signals, and radios that allow the implant to communicate with a base-station outside of the body. The general focus of this work was the development of circuits and systems that minimize …
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Implementation of Fieldbus Networks in Factory Automation
… the properties and applications of the Actuator Sensor Interface (AS-Interface) networking system which is for automation at the level of sensors and actuators has also been considered.<br/><br/>Case studies of three applications of fieldbus have been considered in detail. These are for the …
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Application Oriented Programming and Control of Industrial Robots
… control strategies, or treatment of external sensor signals. The actions can be implemented efficiently even in the multiprocessor case by using relocatable executable pieces of code generated from a special cross-compilation strategy. The lowest layers, comprising the motion control, have to …
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Ring oscillators for high performance clock synthesis and sensor interfaces
… temperature-compensated references, and sensor interfaces. We start by focusing on RO-based clock generation where the phase noise is degraded due to jitter accumulation. We present a synthesizer architecture that uses a low-noise passive multiphase generator which does not suffer from …
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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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Ocean sensors - for marine environmental monitoring
Various sensors and instruments were developed to measure the chemical and physical properties of sea water, but many are expensive and too large to be used on mass deployed vehicles such as the Argo float and submersed gliders. Marine mammal and fish tags require further sensor miniaturisation. …
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Low Power Adaptive Wireless Circuits for the Internet of Things and In-body implants
… their designs: whether it is energy harvesting, sensor interface, security accelerators, or wireless protocols and MAC algorithms. While these approaches have delivered significant performance improvements, they remain inherently constrained by the performance of each respective layer. This …
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Optimising the plastic optical fibre evanescent field biofilm sensor
… diameter multimode plastic optical fibre (POF) sensors using evanescent field modulation. The exposed polymethylmethacrylate (PMMA) core of the POF fibre forms the sensor interface that detects refractive index changes of a measurand acting as the cladding. When a liquid measurand is used, the …
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Plant Level IIoT Based Energy Management Framework
… solution that combines business analytics with sensors for real-time energy management at the plant level using wireless sensor network technology. The project provides a platform where users can analyze the functioning of a plant using sensor data. The data would also help users to explore the …