Automatic control 111 Mathematical models 75 Mathematics 41 System analysis 19 Dynamics 17 Control theory 11 System identification 11 Fuzzy systems 10 Mathematical optimization 6 Nonlinear control theory 6 Calculus, Operational 5 Electric machinery 5 Feedback control systems 5 Fuzzy logic 5 Linear control systems 5 Linear systems 5 Process control 5 System design 5 Algorithms 4 Design and construction 4 Digital control systems 4 Discrete-time systems 4 Integrated circuits 4 Programmable controllers 4 Real-time clocks (Computer) 4 Artificial satellites in navigation 3 Automobile driving 3 Differential equations, Nonlinear 3 Differential equations, Partial 3 Functions, Orthogonal 3