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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
  • Get ready for the next wave of energy-efficient washers
    As new superefficient clothes washers debut, manufacturers may be bracing themselves for an uptick in calls to their customer support lines. Energy-efficient washers increasingly are adopting a front-loading format where the drum is driven directly by a specially built permanent-magnet synchronous
  • If you can't conserve energy, stay out of the kitchen
    permanent-magnet synchronous motor with no intervening gearbox or belt drive. Wash dynamics in these new machines are such that clothes emerge clean after a wash and rinse with water levels that may not even cover the clothes. There are tough torque and speed requirements levied on the PM synchronous motors
  • Sensorless Field Oriented Control of PMSM Motors using dsPIC30F or dsPIC33F Digital Signal Controllers
    tinue to drive the need for advanced motor control tech- produced by a permanent magnet on the rotor, the niques that produce energy efficient air conditioners, PMSM is very efficient when used in an appliance. In washing machines and other home appliances. Until addition, its stator magnetic field

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