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Characteristics of vibrations in domestic environments as sources for kinetic energy harvesters

Title data

Mösch, Mario ; Fischerauer, Alice ; Fischerauer, Gerhard:
Characteristics of vibrations in domestic environments as sources for kinetic energy harvesters.
In: Fischerauer, Alice ; Erni, Daniel ; Himmel, Jörg ; Seeger, Thomas ; Thelen, Klaus , University of Applied Sciences Ruhr West (ed.): IEEE Workshop on Industrial and Medical Measurement and Sensor Technology Vehicle Sensor Technology (SENSORICA 2019) : Abstractbook. - Mülheim a. d. Ruhr , 2019 . - pp. 44-45 . - (Series of lectures of the University of Applied Sciences Ruhr West ; 7 )
ISBN 978-3-946757-00-9

Abstract in another language

Modern technologies such as factory or home automation involve the use of a multitude of sensors. The communication between the sensors and central control units can be implemented by wireless sensor networks (WSN). This concept unfolds its full potential only when the distributed sensors are energy-autarkic (no communication lines, no power lines). One possibility of powering the sensor nodes is through vibration energy harvesting. Microstructures convert energy from the mechanical to the electrical domain by, e.g., electromagnetic or piezoelectric coupling. For an efficient conversion the resonance frequency of the kinetic energy harvester should match the ambient vibration frequency. In order to select or design the most suitable harvester for a given environment, it is therefore crucial to know the details of the environment. We investigated several potential vibration sources in a domestic environment to shed more light on how smart-home sensor nodes can be powered. We not only considered vibration strengths and frequencies [1], but also the time variance of the vibration characteristics and different operation conditions. This work shows that the vibration sources available in domestic environments offer frequencies between 20 and 200 Hz and acceleration amplitudes between 10-4 and almost 10 m/s². Vibration amplitudes above 0.1 m/s², which are necessary for powering sensor nodes, are only offered by actively vibrating devices.

Further data

Item Type: Article in a book
Related institutions (e.g. sponsor, organisator): IEEE, Instrumentation and Measurement (IM) Society, Germany Section
Refereed: No
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology
Faculties > Faculty of Engineering Science > Chair Measurement and Control Technology > Chair Measurement and Control Technology - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer
Profile Fields > Emerging Fields > Energy Research and Energy Technology
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Faculties
Profile Fields
Profile Fields > Emerging Fields
Research Institutions
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 12 Jun 2019 07:39
Last Modified: 12 Jun 2019 07:39
URI: https://eref.uni-bayreuth.de/id/eprint/49473