Magnetic Speed Sensors

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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
  • Ten Easy Things to Do with Magnetic Sensors
    The measurement of magnetic fields for their own sake is a relatively uncommon goal outside the laboratory. It is more typical (in industrial, consumer, and automotive applications, for example) to see a magnetic field used as an indicator of some other phenomenon such as position or speed. Over
  • MEVS-031 Speed Sensor for Railway Locomotive
    Speed encoder for railway locomotive, magnetic induction principle, monitoring large and medium asynchronous motor speed encoder
  • 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
  • Magnetic Levitation for Precision Multi-Axis Positioning
    In this concept, magnetic levitation is used as multi-axis precision positioning concept based on non-contact propulsion and guiding principles. High performance motion control algorithms, low noise amplifiers and sub-nanometer resolution sensor technologies are used to achieve high precision
  • 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
  • Six Things To Consider When Building Advanced Driver Assistance Systems
    (magnetic) sensors that enable real-time, accurate measurement of variables such as rotational speed, position, and distance. For example, camera-based sensor ICs capture information from the surroundings, such as proximity to vehicles and obstacles, which then relay the information to functional
  • Advantages of Linear Encoders Over Rotary Encoders
    with MTA2 double track magnetic tape, so it is able to deliver both the absolute information for position feedback through the BiSS-C and SSI interfaces and the incremental information for speed feedback through the NPN output circuit. SMA2 is outstanding also in its mechanical characteristics

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