1.1 Introduction to Automatic Control Automatic Control Systems permeate life in all advanced societies today. Technological develop ments have made it possible to travel to the moon explore outer space. And the successful operation of space vehicle the e space shuttle: space station; robot industry Control. such as the control of temperature, pressure, fluid, lever, and so on1.1 Introduction to Automatic Control Automatic Control Systems permeate life in all advanced societies today. Technological develop￾ments have made it possible to • travel to the moon; • explore outer space. And • the successful operation of space vehicle; • the space shuttle; space station; • robot; • industry Control, such as the control of temperature, pressure, fluid, lever, and so on