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  • Brushless DC Motors
    finishes. Because they have no commutator, brushless motors are more efficient, need less maintenance, and can operate at higher speeds than conventional dc motors. High efficiency and small size are especially important for military, aircraft, and
  • Selecting Dc Brush and Brushless Motors
    whether to employ brushless or brushed dc, or stepper motors. Stepper motors are generally considered specialpurpose devices because they can't handle large inertial loads very well. And operation near their maximum torque ratings can take some finesse. * Shaft-bearing systems, commutation, and motor
  • A New Absolute Inductive Transducer for Brushless Servomotors
    Today, frameless brushless (pancake) resolvers are commonly used on AC and brushless DC servomotors to provide commutation, position, and velocity information to the servo controller. These angular position transducers give a constant signal representing the absolute position of the motor shaft
  • Motion Control
    with integrated servo amplifiers and on board memory for stand alone or macro execution. FAULHABER also offers the BLD series PWM servoamplifiers are designed for 2 to 4 quadrant speed control of FAULHABER three phase brushless DC-Servomotors. For control of FAULHABER brush type coreless DC micromotors and motor
  • Integrated motor and drive includes motion controls
    by adding a complete motion controller. The MDrive42AC Plus consists of a NEMA-42 hightorque brushless motor with fully integrated drive and control electronics. The company says the control delivers high-positioning accuracy, stability at low speeds, no dithering at zero speed, high starting torque
  • Machine Optimization through DC Motor Selection (.pdf)
    There are so many motors on the market today, from heavy-duty AC motors to tiny DC brushless and stepper motors. To use any of the motors users must have a full understanding of the application parameters, including power, speed, torque, physical size, efficiency, lifetime expectations, and other
  • Motion Control - A shortcut to sizing motors
    Motor constant aids in selecting dc motors in motion-control applications. Brushed and brushless dc motors are a good choice in power sensitive or efficiency craving applications. A lot of times, a dc motor or generator data sheet will include the motor constant K , which is the torque sensitivity
  • Architectures for Economical Motion
    are still the dc servomotor, the brushless-dc motor, and the stepmotor. But distinctly different from 20 years ago, and perhaps a little surprising, is that the choice of motor has little effect on the overall cost and architecture of the control system. What used to be the most-complicated

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