Energy Harvesting Autonomous Sensor Systems: Design, by Yen Kheng Tan

By Yen Kheng Tan

Energy Harvesting independent Sensor structures: layout, research, and useful Implementation offers quite a lot of assurance of varied strength harvesting concepts to permit the improvement of a really self-autonomous and sustainable strength harvesting instant sensor community (EH-WSN). It offers a realistic evaluation of the complete EH-WSN process from strength resource the entire solution to power utilization by means of instant sensor nodes/network.

After an in-depth evaluate of current strength harvesting examine to this point, the ebook focuses on:

  • Outlines wind strength harvesting (WEH) ways, one utilizing a wind turbine generator and one a piezoelectric wind power harvester
  • Covers thermal strength harvesting (TEH) from ambient warmth resources with low temperature differences
  • Presents kinds of piezoelectric-based vibration strength harvesting structures to reap influence or impulse forces from a human urgent a button or change action
  • Examines hybrid power harvesting ways that increase the reliability of the instant sensor node’s operation
  • Discusses a hybrid wind and solar power harvesting scheme to concurrently use either power assets and as a result expand the life of the instant sensor node
  • Explores a hybrid of indoor ambient mild and TEH scheme that makes use of just one energy administration circuit to situation the mixed output strength harvested from either strength sources

Although the writer makes a speciality of small-scale power harvesting, the platforms mentioned could be upsized to large-scale renewable strength harvesting platforms. The publication is going past thought to discover useful functions that not just resolve real-life power matters yet pave the way in which for destiny paintings during this area.

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Additional resources for Energy Harvesting Autonomous Sensor Systems: Design, Analysis, and Practical Implementation

Sample text

Their characteristics are various: spectral shape from low to high frequency and amplitude and time duration manifold depending on the surroundings. Theory and experiments from many research works show that the power density that can be converted from vibrations is about 300 ␮W/cm3 [38]. Devices that convert mechanical motion into electricity can be categorized in electromagnetic, electrostatic, and piezoelectric converters [44, 45]. In the case of electromagnetic converters, a coil oscillates in a static magnetic field and induces a voltage.

60] presented an anemometer-based solution to perform the WEH and sensing tasks, which are accomplished separately by two different devices. The authors utilize the motion of the anemometer shaft to turn a coupled alternator to generate electrical power for the sensor nodes. Although the sensor nodes incorporating the harvesting solution have an increased operational lifetime, this comes with the price of larger device size, higher overall cost, and higher energy conversion loss. In another WEH research work [61], Priya et al.

16 is to process and control the flow of electrical energy from the source to the load in such a way that energy is used efficiently. This matching process is a crucial step to ensure that maximum power is transferred from the source to the electrical load. Another function of the power conditioning circuit involves the conversion and regulation of electrical voltage at higher levels into suitable levels for the loads. 16. , wireless sensor node and control circuitry), each individual EH system is designed and optimized accordingly in order to sustain the operation of the wireless sensor node.

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