At least one exemplary embodiment of the present invention includes a capacitive sensing system, comprising a sensing conductor coupleable to a grounded target by a gap capacitance C.sub.d, said grounded target separated from said sensing conductor by a gap having a width. The capacitive sensing system also comprises a circuit connected to said sensing conductor, an input signal having an input frequency f.sub.osc provided to said circuit through an input resistance R.sub.d, an output signal of ...

At least one exemplary embodiment of the present invention includes a capacitive sensing system, comprising a sensing conductor coupleable to a grounded target by a gap capacitance C.sub.d, said grounded target separated from said sensing conductor by a gap having a width. The capacitive sensing system also comprises a circuit connected to said sensing conductor, an input signal having an input frequency f.sub.osc provided to said circuit through an input resistance R.sub.d, an output signal of ...

Certain exemplary embodiments comprise a system, which can comprise a radial magnetic bearing static portion. The radial magnetic bearing static portion can comprise a plurality of electromagnets. The radial magnetic bearing static portion can comprise a plurality of pulse width modulated amplifiers, each of which can be adapted to provide electrical energy to a corresponding electromagnet of the plurality of electromagnets.

Certain exemplary embodiments can provide a switched reluctance machine, comprising a rotor; and a stator encircling said rotor and comprising a plurality of radially distributed stator poles, each of said stator poles comprising a set of coils, each set of coils comprising: a phase coil adapted to be switched to affect a rotation of said rotor; and a field excitation coil adapted to, while said rotor is rotating, generate a magnetic field from a received excitation current.

Certain exemplary embodiments can provide an electrical coil for an electromagnetic machine, said coil comprising: a first electrically conductive winding wound about a central axis in a first spiral, said first winding defining a first winding width and a first winding thickness; a first electrically insulating tape wound about the central axis in a second spiral, said first tape defining a first tape width and a first tape thickness, said first tape located width-wise adjacent said first windi...