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This paper presents a new approach to the design of digital Proportional-Integral-Derivative (PID) controllers. The objective is to determine the PID gains to satisfy a desired crossover frequency and closed-loop stability margins. The design procedure is based on a simple parametrization consisting of ellipses and straight lines which represent constant magnitude and constant phase loci in the space...
In this paper we describe a new approach to the design of digital Proportional-Integral (PI) controllers. The approach consists of first parametrizing constant magnitude and constant phase loci in the space of controller gains. These loci consist of ellipses and straight lines respectively. The set of stabilizing controllers S is then computed using methods described in [1]. The final step is to specify...
Tissue-like P systems with cell division is a computing model in the framework of membrane computing based on the intercellular communication and cooperation between neurons. In such a model, the structure of the devices is a network of elementary cells. Tissue-like P systems with cell division have the ability of increasing the number of cells during the computation. In this paper we exploit this...
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