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Recent content by PPhil

  1. P

    Cascaded Current Loop in Motor Control

    Sorry, I don't understand the question. It depends on whether one uses current control or not. It is driven ultimately by a pwm and therefore voltage.
  2. P

    Cascaded Current Loop in Motor Control

    I guess I am trying to find out if it is an inappropriate topology for velocity tracking despite be used in servo controller such as http://elm-chan.org/works/smc/report_e.html. Even with Feedforward terms the current controller still seems to degrade overall tracking performance. When...
  3. P

    Cascaded Current Loop in Motor Control

    Hi Klaus, I apologise for the confusing description. This is what results suggest but many of the papers I have read propose a cascaded loop architecture with an inner current loop. The primary motivator for having the inner current loop is that it makes it simple to implement current limits...
  4. P

    Cascaded Current Loop in Motor Control

    ‎08-09-2018 11:51 PM Hi There, My questions is in regards to the use of a cascaded controller model where by the output of the velocity controller sets the setpoint of the current controller. What I do not understand about this is when velocity tracking and a disturbance is encountered the...

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