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This contribution outlines controller developments 1788 – c.1900; 1900-1950: The role of instrument companies; early theoretical description of the PID controller; early tuning of the PID controller; some further developments since 1950; some conclusions.
O'Dwyer, Aidan :PID control: the early years. Control in the IT Sector Seminar, Cork Institute of Technology, Cork, May. doi:10.21427/q287-3p17