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 13 of 13 for “"Vibration sensor"”.
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SensAnalysis: A Big Data Platform for Vibration-Sensor Data Analysis
… campus is the most instrumented building for vibration monitoring. It houses 225 hard-wired accelerometers which record vibrations arising due to internal as well as external activities. The recorded vibration data can be used to develop real-time applications for monitoring the health of the …
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Non-Invasive Monitoring of Human Hygiene using Vibration Sensor and Classifier
… monitoring system for human hygiene using vibration sensors. The approach is based on a combination of geophone sensor, a digitizer, and a cost-efficient computer board in a Raspberry Shake enclosure. People’s personal hygiene habits speak volume about how they take care of their bodies and …
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Particle-Based Triboelectric Vibration Sensor for Speech Recognition and Remote Machine Condition Monitoring
Self-powered vibration sensors, particularly those utilising triboelectric nanogenerators, hold great promise for real-time monitoring of dynamic loads and structural health without external power sources. Based on the triboelectric effect and electrostatic induction, a triboelectric vibration …
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Vehicle Axle Detection and Spacing Calibration Using MEMS Accelerometer
… interaction was collected by the vibration sensor while vehicle axle count and spacing were calibrated later. Collected vibration data also used to analyze the pavement surface condition and compared with simulation using dynamic loading analysis. Laboratory tests using MMLS3 …
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Home NILM : a comprehensive energy monitoring toolkit
… thesis we present two powerful new non-intrusive sensor designs, one for measuring equipment power consumption and one for measuring equipment vibration. We also discuss a unified data management framework for storing, processing, and viewing the large amounts of information collected from these …
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Experimental and Computational Study of Vibration-Based Energy Harvesting Systems for Self-Powered Devices
Energy harvesting of ambient and aeroelastic vibrations is important for reducing the dependence of wireless sensing and networks on batteries. We develop a configuration for a piezoelectric energy harvester with the capability to wirelessly communicate vibration measurements while using those …
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Design of a MEMS-based optical accelerometer with large measurable range and high sensitivity
… Accelerometers are broadly used in the area of vibration sensor. Their applications range from seismic disturbances, to automotive industry such as airbag systems, active suspension, and smart braking. Traditionally, the acceleration is detected electrically by measuring either capacitive …
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Low-Power Piezoelectric Energy Harvesting Circuit to Power Wind Turbine Sensors
… ensure a system's reliability and performance. Sensors for acceleration, vibration, temperature, and pressure, can be used to collect data and optimize the performance of a wind turbine. To operate these sensors, a power supply is required. However, using external sources are challenging due to …
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Novel Sensing Approaches towards Ultimate MEMS Sensors
… and NEMS) accelerometers, magnetometers and vibration sensors utilizing various actuation and sensing mechanisms have been developed and demonstrated. These sensors are integral to various geographical, industrial, military, environmental and biomedical applications. Although these sensors …
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Development of the core technology for the creation of electronically-active, smart yarn
… thermistor yarns, RFID yarns, magnetic yarns, vibration sensor yarns, illuminated garment, illuminated car seat, RFID-intergraded garments, a temperature-monitoring fabric mat and temperature-monitoring socks in order to investigate the manufacturing viability, identify practical issues, and to …
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Měření a analýza vibrací elektrického stroje
Táto bakalárska práca sa zaoberá vibráciami, ako zdrojom informácii pre analýzu diagnostikovaného zariadenia, ktoré je zdrojom vibrácií, z hžadiska včasnej detekcie vznikajúceho problému, ktorý by mohol závažne ovplyvniť bezporuchový chod zariadenia . Práca je zameraná hlavne na snímače vibrácií, …
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On-line condition monitoring and detection of stator and rotor faults in induction motors.
… broken rotor bar faults) using three types of sensor signals (i.e. current, leakage flux, and vibration) under different loading conditions. The work is based on an extensive series of sensor measurements taken using a number of nominally identical healthy machines (2.2 kW) and custom-modified …