1946 American mechanical engineer DS Harder first proposed the term "automation" and used to describe the process of automatic transfer and processing of engine cylinders. In the 1950s, the development of automatic regulators and classic control theory brought automation into the stage of local automation, mainly with single-variable automatic regulation systems.
1960s With the emergence of modern control theory and the popularization and application of electronic computers, the combination of automatic control and information processing brought automation into the stage of comprehensive automation of optimal control and management of the production process.
In the 1970s, the objects of automation became large-scale, complex engineering and non-engineering systems, involving many problems that were difficult to solve with modern control theory. The study of these issues has promoted the innovation of automation theories, methods and means. As a result, system control of large systems and intelligent control of complex systems have emerged. Automation systems, such as flexible manufacturing systems, office automation, intelligent robots, expert systems, decision support systems, and computer integrated manufacturing systems.