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Energy Harvesting and Wireless Sensor Nodes

Energy Harvesting and Wireless Sensor Nodes. Velibor Škobić. Graduate work. Industrial wireless networks Industrial networks wireless wired Wireless network - ZigBee Energy consumption monitoring. Small Systems Simulation Symposium 2012.

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Energy Harvesting and Wireless Sensor Nodes

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  1. Energy Harvesting and Wireless Sensor Nodes Velibor Škobić

  2. Graduate work • Industrial wireless networks • Industrial networks • wireless • wired • Wireless network - ZigBee • Energy consumption monitoring

  3. Small Systems Simulation Symposium 2012 • Solar Energy Harvesting for Wireless Sensor Nodes, • Velibor Škobić, Branko Dokić, Željko Ivanović • Solar energy harvesting • small size solar panel • ambient environment condition • temperature measurement

  4. Solar Energy Harvesting for Wireless Sensor Nodes • Wireless sensors network • multiple sensors on a large area • communication between nodes (communication protocol) • management and collection of values • (temperature, pressure, etc..) • Wireless sensor nodes • low-power • small size • low cost • mobile and battery powered

  5. Solar Energy Harvesting for Wireless Sensor Nodes • Problem of nodes power supply • energy harvesting • Alternative sources of energy • solar energy, • temperature differences, • vibrations, etc.

  6. Solar Energy Harvesting for Wireless Sensor Nodes • battery - only for starting node • solar panel – for harvesting energy • boost convertor – charging capacitor • super capacitor – storage of energy

  7. Solar Energy Harvesting for Wireless Sensor Nodes • Solar energy harvesting • small panel – indoor condition • (from the calculator "GENIE“, 20μW) • ZigBee node • ATMEL ATZB-24-A2 • supply current • active mode (19 mA) • idle mode (6 μA)

  8. Solar Energy Harvesting for Wireless Sensor Nodes • Nodes state • active period TA (execution of operation) • Inactive TN (energy harvesting) • Results • active period 10 ms • minimum 95 s of inactive state for collecting energy • enough time that during the active period, node measured • temperature and send information over the network

  9. Thank you for your attention !!!

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