DEVICE FOR MEASURING ANGULAR DEPHASING AND APPLICATION TO A COUPLER

摘要

The device for measuring angular phase difference between two rotating shaft sections comprises two identical toothed rotors fixed to the shaft sections and cooperating with two identical stators. / P P The stators each comprise two pairs 121, 221; 122, 222 of windings distributed in a cross. A magnetic circuit excited by magnets allows the constitution of a homopolar machine. / P P The simultaneous series connection of a diode 303; 304 and an inductor 305; 306 with each of the two pairs 121; 221; 122, 222 of diametrically opposed windings allows the measurement of the intensity I2 of a resulting DC current while the series connection of a diode 303; 304 and an inductor 305; 306 with a single pair of windings 121; 122 diametrically opposed each of the stators allows the measurement of the intensity I1 of a resulting DC current. / P P The angular phase shift is obtained from the formula gamma = (b / 2) I2 / I1 where b represents the tooth width of the rotors expressed in units of angle measurement.