The pocket calculator (10) includes an electronic calculation unit that is connected to an induction coil. A permanent magnet is provided and can be rotated. A turning knob (18) is connected to the permanent magnet for driving the magnet....
The Hessian matrix of f (ic), ∇2ic f (ic), can be twice differentiated as ∇2ic f (ic) = 2In (21) where In is a n-dimensional unit matrix. As a result of In being a positive definite matrix, the Hessian matrix of f (ic), ∇2ic f (ic), is also a positive ...
In addition, the magnetic field emissions do not interfere with the drone Electronic Control Unit (ECU) and communication systems. 5. Conclusions A WPT system is applied to an electric vertical take-off and landing UAV. All on-board components have been designed to be very light and compact ...