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  • Encoder helps drag bike hook up and go
    contain a small, diametrically polarized magnet and a custom ASIC with an array of Hall-effect sensors. The sensors generate a voltage when exposed to a magnetic flux field. The ASIC detects the changing magnetic field and cancels any magnetic interference. The encoders come in seven to 13-bit models
  • Industrial encoder integrates bearing and sensor functions
    Fafnir Encoder Survivors measure speed and position of rotating shafts while providing the functions of a housed bearing. The units are available in pillow-block and flanged designs with two and four-bolt configurations and setscrew shaft retention. A new family of encoders provides speed sensing
  • Measuring the long haul
    . But where stainless tape is punched with a coded pattern and read by an optical sensor, the new method makes use of an extruded aluminum profile containing buried magnets. A special Hall-effect sensor detects the magnets and determines absolute position. These position multiplexer encoders, or Pomux
  • Position Sensors and Position-Sensing Instruments
    Position sensors include wide range of sensors, switches and technologies that are used to determine the placement, speed or movement, direction, and location of a given target. Linear position devices include cable extension, capacitive, eddy current, fiber optic, Hall effect, inductive, magneto
  • Using the PIC18F2431 for Sensorless BLDC Motor Control
    also discussed the use of PIC18FXX31 devices to control a BLDC motor in both open loop and in closed loop using Hall effect sensors and quadrature encoders. This applications note describes BLDC motor speed control without the use of sensors.
  • Feedback for servos
    motor from Danaher Motion is designed to accommodate most types of feedback devices without requiring extensive modifications in the housing or on the feedback device. Hall-effect devices are digital on/off sensors constructed of semiconductor material which senses the presence of magnetic fields
  • How to Apply Direct-Drive Linear Servomotors
    with almost no residual static force. This makes these types of motors good candidates for micropositioning. Performance life is mostly influenced by the effectiveness of the sleeve bearings determined by the operating speed and the applied load. Built-in Hall-effect sensors monitor shaft position

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