Page - 331 - in Emerging Technologies for Electric and Hybrid Vehicles

Energies 2017,10, 315 Figure8.Configurationof thesensorcoilwithin the loadcoil. Shownfromatopviewperspective. Figure9ashowshowthe loadcoil/sensorcoilunit is implementedunder thevehiclebodywhen the loadcoilandsourcecoilare inperfectalignment. Inaddition, it showsacrosssectionalongthex-y planeof thesourcecoilaswell. (a) (b) (c) Figure9.Theresultingvoltagewaveformof thesensorcoil indifferentpositions (a)whenthe loadcoil isalignedwith thesourcecoil (originpoint); (b)whenthe loadcoil ismisalignedtowards the left, and (c)whenthe loadcoil ismisalignedto theright. As showninFigures8and9, the sensor coil isplaced inaspecific location,where the loopof thesensorcoil is facing in they-axisdirection.Viewingthesourcecoil inFigure9, themagneticfield generatedonthesourcecoil,BS, canbeexpressed invector formasfollows: BS=B1+B2 (7) 331