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  • Brush DC Motor Basics
    Brushed DC ironless motors are found in a large variety of products and applications such as medical, robotics, factory automation, security and access, civil aviation and aerospace products. The ironless technology surpasses by far the performance of conventional ironcore brushed DC motors
  • Servo Control of a DC Brush Motor
    of the PIC17C42 as a DC brush motor servo controller. It is shown that a PID (Propor-tional, Integral, Differential) control calculation can be performed in less than 200 ms (@16 MHz) allowing control loop sample times in the 2 kHz range. Encoder rates up to 3 MHz are easily handled by the PIC17C42's
  • How to speed up dc motor selection
    Recent advances in electric motors and controllers improve their speed, acceleration, controllability, and reliability, while allowing designers a wider choice of power and torque. Selecting a fractional hp dc motor is easier when you know how to handle motor constant . Guidelines used by experts
  • DC Motors
    brake. Dc motor speed can be controlled smoothly down to zero, immediately followed by acceleration in the opposite direction -- without power circuit switching. And dc motors respond quickly to changes in control signals due to their high ratio of torque to inertia. Wound-field dc motors
  • Coreless DC Motors
    . Because the core is ironless, its low mass allows more rapid acceleration and deceleration than any other class of dc motor. Other benefits gained by eliminating the iron core include the absence of magnetic fields acting on the laminations. This interaction in conventional motors appears as torque
  • Snake-oil specs spell trouble for motor sizing
    , and simulates foldback circuits to ensure that the motor and amplifier combination considers the amplifier's time constant. When sizing and selecting small dc motors, various approaches can be used to determine electrical ratings and motor constants. Picking the wrong approach or using the wrong
  • Micromotors for Textile Yarn Guides
    the precise movement of a stepper motor and the high acceleration of a brushless DC motor. The result is a motion solution capable of angular acceleration of 300,000 rad/s2 with the simple control of a stepper motor.
  • Introduction to Electric Motors
    Electric motors, both ac and dc types, come in many shapes and sizes. Some are standardized versions for general-purpose applications. Others are intended for specific tasks. In any case, motors should be selected to satisfy the dynamic requirements of the machines on which they are applied without

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