Robust control Control theory 15 Automatic control 12 Mathematical models 9 Filters (Mathematics) 5 System analysis 5 Adaptive control systems 4 Computer networks 4 System identification 4 Time delay systems 4 Control 3 Differential equations, Nonlinear 3 Differential equations, Partial 3 Electric power systems 3 Linear systems 3 Nonlinear control theory 3 Security measures 3 Artificial intelligence 2 Automobiles 2 Computer programs 2 Congresses 2 Cutting machines 2 Data reduction 2 Dimension reduction (Statistics) 2 Discontinuous functions 2 Dynamics 2 Game theory 2 H (Infinity symbol) control 2 H [infinity symbol] control 2 Kalman filtering 2