By Jiming Chen, Shibo He, Youxian Sun
The harvesting of power from ambient power assets to energy digital units has been famous as a promising approach to the problem of powering the ever-growing variety of cellular units round us.
Key applied sciences within the swiftly growing to be box of strength harvesting concentrate on constructing recommendations to trap ambient strength surrounding the cellular units and convert it into usable electricity for the aim of recharging stated units. reaching a sustainable community lifetime through battery-aware designs brings forth a brand new frontier for strength optimization options. those suggestions had, of their early phases, ended in the improvement of low-power designs. this day, they've got developed into power-aware designs or even battery-aware designs.
This booklet covers fresh ends up in the sphere of rechargeable sensor networks, together with applied sciences and protocol designs to permit harvesting power from substitute power assets resembling vibrations, temperature adaptations, wind, sun, and biochemical strength and passive human power.
Readership: Graduates, researchers, and execs studying/dealing with networking, laptop engineering, parallel computing, and electric & digital engineering.
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Additional info for Rechargeable Sensor Networks : Technology, Theory, and Application: Introduce Energy Harvesting to Sensor Networks
The charging rate at node i during the initial transient cycle and a ˆi is the arrival time of the WCV at node i in the initial transient cycle (see Fig. 4). In our recent work,15 we showed that this newly constructed ϕˆ is a feasible transient cycle. 6. An example We present an example to demonstrate how our solution can produce a renewable WSN and some interesting properties with such a network. We consider a randomly generated WSN consisting of 50 nodes. The sensor nodes are deployed over a square area of 1 km × 1 km.
The energy behavior of a sensor node (the 32th) in the 50-node network during the initial transient cycle and the ﬁrst two renewable cycles. Initial transient cycle First renewable cycle Second renewable cycle Fig. 7. The energy behavior of the bottleneck node (48th node) in the 50-node network. Traveling direction is counterclockwise. December 18, 2013 11:9 9in x 6in Rechargeable Sensor Networks b1642-ch02 L. Xie et al. 48 Y(m) Sensor Node 1000 500 Base Station X(m) 0 0 500 1000 (a) Data routing in our solution.
The harvested vibrational energy would then be converted into electrical energy at the output of the piezoelectric wind harvester. Piezoelectric wind harvester oﬀers several advantages over conventional wind turbine technology. These include instant starting with no dead time (due to the inertia of the wind turbine generator); small size and ultralight weight; extremely low magnetic permeability (suitable for use in high magnetic ﬁeld environments); and almost no heat dissipation (ideal for sealed enclosures).
Rechargeable Sensor Networks : Technology, Theory, and Application: Introduce Energy Harvesting to Sensor Networks by Jiming Chen, Shibo He, Youxian Sun