Reference : Applied Optimal Control and Estimation, Prentice-Hall, 1992
Feedback (Automatic) control
is an engineering discipline. As such, its progress is closely tied to the practical problems that needed to be solved during any phase of human history. The key developments in the history of mankind that affected the progress of feedback control were:
1-The Water Clocks of the Greeks and Arabs.
2-The Industrial Revolution.
3-Age of Computer and programmable devices