000210469 001__ 210469
000210469 005__ 20181203023940.0
000210469 022__ $$a0031-9155
000210469 02470 $$2ISI$$a000338424800016
000210469 0247_ $$2doi$$a10.1088/0031-9155/59/13/3453
000210469 037__ $$aARTICLE
000210469 245__ $$aTheoretical assessment of the maximum obtainable power in wireless power transfer constrained by human body exposure limits in a typical room scenario
000210469 269__ $$a2014
000210469 260__ $$bInstitute of Physics$$c2014
000210469 336__ $$aJournal Articles
000210469 520__ $$aIn this study, the maximum received power obtainable through wireless power transfer (WPT) by a small receiver (Rx) coil from a relatively large transmitter (Tx) coil is numerically estimated in the frequency range from 100 kHz to 10 MHz based on human body exposure limits. Analytical calculations were first conducted to determine the worst-case coupling between a homogeneous cylindrical phantom with a radius of 0.65 m and a Tx coil positioned 0.1 m away with the radius ranging from 0.25 to 2.5 m. Subsequently, three high-resolution anatomical models were employed to compute the peak induced field intensities with respect to various Tx coil locations and dimensions. Based on the computational results, scaling factors which correlate the cylindrical phantom and anatomical model results were derived. Next, the optimal operating frequency, at which the highest transmitter source power can be utilized without exceeding the exposure limits, is found to be around 2 MHz. Finally, a formulation is proposed to estimate the maximum obtainable power of WPT in a typical room scenario while adhering to the human body exposure compliance mandates.
000210469 6531_ $$ahuman body exposure
000210469 6531_ $$aelectromagnetic radiation
000210469 6531_ $$awireless power transfer
000210469 700__ $$aChen, Xi Lin
000210469 700__ $$aDe Santis, Valerio
000210469 700__ $$aUmenei, Aghuinyue Esai
000210469 773__ $$j59$$tPhysics in Medicine and Biology$$k13$$q3453-3464
000210469 909C0 $$0252091$$pLEMA$$xU10374
000210469 909CO $$particle$$ooai:infoscience.tind.io:210469
000210469 917Z8 $$x191433
000210469 917Z8 $$x191433
000210469 937__ $$aEPFL-ARTICLE-210469
000210469 973__ $$rREVIEWED$$sPUBLISHED$$aEPFL
000210469 980__ $$aARTICLE