1 results about "Em induction" patented technology

The utility model discloses a motor operation angle detection device belongs to motor control and sensor technical field, this device realizes through following technical scheme: the same multi -pole magnetic ring of motor pole pair number is outside in motor rotating shaft terminal, and magnetic ring is along the circumferential direction and alternately arranges N north pole and N south pole, the lateral installation mode is adopted to the encoder, and its induction surface is perpendicular to rotating shaft axis, is used for detecting magnetic ring magnetic field and exports rotor angle signal. The encoder supports PWM or ABZ incremental encoding signal or absolute value SSI / SPI output, improves every rotation signal period number through multi -pole magnetic ring design, realizes high resolution angle detection. This scheme is through the magnetic ring outside isolation motor internal electromagnetic interference, combines lateral installation and reduces assembly accuracy requirement, has improved the precision of angle detection, anti -interference ability and installation convenience obviously, is applicable to servo motor, robot joint etc. High -performance control scene.