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Proportional control, Integral control

  1. Jan 4, 2010 #1
    I want to know the proper nomenclature about control theory.

    Problem is below.

    " There is the system, which is controlled by P control or I control (anything is Ok.) where a is proportional gain and b is integral gain. When proportional gain, a is slightly changed, system output is big different. "

    What is the proper nomenclature or name?
    Which book is helpful for studying?
  2. jcsd
  3. May 10, 2015 #2
    Could you explain what 'system output is big different' means?
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