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  • Magnetic Field Sensors as Speed Monitors
    Magnetic field sensors are generally based on the magneto-resistive or Hall-principle. Compared to optical speed sensors, resolvers and precision potentiometers, magnetic field sensors do not contain movable parts, such as shafts, bearings, code disks or slip rings. An aspect allowing them
  • Position Sensor Helps Malibu Boats Make Waves of Fun
    Here's where the Novotechnik magnetic sensor measures angle. Before testing its boats on the water, Malibu performs dynamic simulations with CAD models to predict and prepare for all conditions and variables. To make the Power Wedge II safe, controls make the driver get the boat to a certain speed
  • Application Note: Speed Sensing (.pdf)
    Speed sensing can be achieved with a variety of approaches. One solution is to use a ferrous metal gear target with a geartooth sensor. The geartooth passes by the sensor face which concentrates the magnetic flux from the bias magnet in the sensor. The sensor detects the change in the flux level
  • Clutches and Brakes
    . Magnetic Particle clutches and brakes offer smooth controlled torque for tensioning in both the unwind zone and rewind zone. Torque produced from the magnetic particle clutches and brakes is independent of slip speed, offering a distinct advantage over competing technologies. Since torque can be varied
  • AN1162 - Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM)
    that the speed and/or position sensor is missing. This feature Traditional control methods, such as the Volts-Hertz decreases the cost of the drive system, which is always control method described above, control the frequency desired, but this is not the only reason for this and amplitude of the motor drive

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