Automatic control Control theory 412 Programmable controllers 377 Design and construction 236 PID controllers 171 Electric motors, Induction 164 Control systems 162 Systems engineering 146 Mobile robots 139 Electric motors 134 Mathematical models 134 Microcontrollers 126 Robots 126 Automobiles 125 Data processing 120 Arduino (Programmable controller) 114 Fuzzy systems 107 Process control 105 Motor vehicles 100 Electric controllers 93 Automation 88 Engineering instruments 85 Drone aircraft 81 Temperature control 73 Intelligent control systems 69 Electronic control 67 Digital control systems 60 Electric driving 55 System design 55 Computer programs 54