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The present paper proposes simple and effective ways to improve recent results on the estimation of the region of attraction of continuous-time Takagi-Sugeno (TS) models. These estimates are obtained via a novel non-quadratic local stability approach that overcomes infeasible global quadratic conditions. In order to ameliorate these solutions two techniques are proposed to successively obtain better...
This paper addresses a practical networked based control application. A Profibus DP is considered in order to coordinate a triangular maglev platform. The control of this magnetic levitation process is a complicated system from an control engineering point of view due to its unstable, non-minimum phase and non-linear nature; the difficulty is growing up because the bandwidth limitation and some other...
Stability and performance requirements in fuzzy control of Takagi–Sugeno systems are usually stated as fuzzy summations, i.e., sums of terms, related to Lyapunov functions, which are weighted by membership functions or products of them. This paper presents an application to fuzzy control of Polya's theorems on positive forms on the standard simplex. The result provides a set of progressively less...
Although fuzzy control was initially introduced as a model-free control design method based on the knowledge of a human operator, current research is almost exclusively devoted to model-based fuzzy control methods that can guarantee stability and robustness of the closed-loop system. State-of-the-art techniques for identifying fuzzy models and designing model-based controllers are reviewed in this...
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