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  • Encoders for Brushless Motor Commutation
    The process of steering current through the appropriate motor windings in order to produce output torque is called commutation. In brush motors, commutation is accomplished electro-mechanically via brushes and the commutator. In brushless motors, commutation is performed by electronically steering
  • Using Inverter Technology in the Motor Fusing Industry (.pdf)
    Commutator fusing was developed in the early 1950's as a method of manufacturing small universal or DC electric motors. The early process of attaching wires to the commutator required dipping the commutator into a solder bath, and hand soldering the connections. This two-step process was not only
  • Sensorless Brushless DC Motor Control with PIC16
    the many advantages to a BLDC motor no speed regulation. over a brushed DC motor, we can enumerate the following: HARDWARE * The absence of the mechanical commutator The hardware for a BLDC system can be decomposedallows higher speeds into the following sections: * Brush performance limits
  • Sensored BLDC Motor Control Using dsPIC30F2010
    on BLDC motor details. BLDC motors are basically inside-out DC motors. In a DC motor the stator is a permanent magnet. The rotor has the windings, which are excited with a current. The current in the rotor is reversed to create a rotating or moving electric field by means of a split commutator
  • Reasons for Turning to Slotless DC Motor Technology
    When first introduced, brushless DC motors, despite their many advantages, were cast as a costly. alternative to brush-commutated motors and were typically only specified for low-power applications. where long life was the primary desired requirement. Without the mechanical brush-commutator
  • Proper Motor Brush Selection When Brush Life is a Concern
    One of the most critical parts of this type of motor is the interface between the brushes and the commutator. Poor material selection and improper design considerations can affect both the life and the performance of an electric motor. This post briefly covers the factors which contribute to brush
  • How To: Reduce Noise Output from a Brushed Motor
    Noise is often the single toughest challenge faced by design engineers when developing products especially in medical applications. The inherent noise issue with many types of motors is the brushes. Brushes create mechanical and electrical noise due to friction against the commutator, as well
  • Integrated Drive Electronics for Brushless DC Motors
    Brushless DC motors (BLDCs) achieve commutation electronically by utilizing a permanent-magnet. rotor, wound stator, and rotor-position sensing scheme instead of a mechanical commutator or brushes. found in brush-type DC motor designs. With brush wear or arcing eliminated and as a result of other

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