Automatic ControlA Brief (and approximate) History

• 1782 - James Watt - the throttling fly-weight governor for the reciprocating steam engine

• 1880’s - 1970’s - pneumatic control

• 1960’s - 1980’s - electronic control

• 1980’s - present - digital control

  • Distributed Control System (DCS)
  • Programmable Logic Controller (PLC)
  • Hybrid Control Systems

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