IEEE Control Systems

Issue 5 • Oct. 1995

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Displaying Results 1 - 8 of 8
  • An on-line trained adaptive neural controller

    Publication Year: 1995, Page(s):67 - 75
    Cited by:  Papers (60)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (882 KB)

    This article presents a neural network approach for online industrial tracking control applications. In comparison to several existing neural control schemes, the proposed direct neural controller is characterized by the simplicity of its structure and its practical applicability for real-time implementation. In order to enhance the adaptive ability of the neural controller, a set of fuzzy rules i... View full abstract»

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  • Model predictive control using neural networks

    Publication Year: 1995, Page(s):61 - 66
    Cited by:  Papers (82)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (626 KB)

    In this article, we present the application of a neural-network-based model predictive control scheme to control pH in a laboratory-scale neutralization reactor. We use a feedforward neural network as the nonlinear prediction model in an extended DMC-algorithm to control the pH-value. The training data set for the neural network was obtained from measurements of the inputs and outputs of the real ... View full abstract»

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  • A genetic approach to mixed H/sub 2//H/sub /spl infin// optimal PID control

    Publication Year: 1995, Page(s):51 - 60
    Cited by:  Papers (92)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (776 KB)

    Mixed H/sub 2//H/sub /spl infin// control designs are quite useful for robust performance design for systems under parameter perturbation and uncertain disturbance. However, the conventional output feedback designs of mixed H/sub 2//H/sub /spl infin// optimal control are very complicated and not easily implemented for practical industrial applications. In this article, a PID design algorithm for m... View full abstract»

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  • Analyzing piecewise linear dynamical systems

    Publication Year: 1995, Page(s):43 - 50
    Cited by:  Papers (37)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (812 KB)

    This article presents a method of analyzing mixed logic/dynamic systems. The article describes the development of a computational tool for the analysis of piecewise linear (PL) dynamical systems. Unfortunately, many PL controllers are developed from ad hoc "intelligent systems" ideas which do not aim or allow the associated dynamic behavior to be predicted. An example of such a system is the anti-... View full abstract»

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  • Fault-tolerant control and diagnostics for large-scale systems

    Publication Year: 1995, Page(s):34 - 42
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (990 KB)

    The integration of control design, signal and command validations, and diagnostics is the primary objective of this study. The fault-tolerant control principle consists of parallel control and command validation functions. The parallel control includes a number of control algorithms, each designed to accomplish the same control task using different sets of plant signals. The purpose of command val... View full abstract»

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  • Time-optimal control by means of neural networks

    Publication Year: 1995, Page(s):23 - 33
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (906 KB)

    The development of time-optimal controllers is often hindered by the complexity of the analytical design process. In order to avoid this difficulty, the numerical approximation of the highly nonlinear optimal control law by means of a neural network has been proposed, and an algorithm which allows the network to learn the required control actions by means of an iterative optimization process has b... View full abstract»

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  • Nonlinear identification of hydraulic servo-drive systems

    Publication Year: 1995, Page(s):17 - 22
    Cited by:  Papers (19)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (486 KB)

    This article deals with the identification of nonlinear models in observer canonical form of hydraulic servo-drives from sampled data of input-output measurements. The data are processed by a modified recursive instrumental variables algorithm, to provide input-output relationships of the plant dynamics. From the parameters of the input-output relations, continuous state-space nonlinear models can... View full abstract»

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  • A constrained motion algorithm for the Shuttle Remote Manipulator System

    Publication Year: 1995, Page(s):6 - 16
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1056 KB)

    In the past decade, research advances in robot dynamic simulation have included algorithms for space robots operating as open chain mechanisms and earth-bound robot systems operating under motion constraints. Few researchers, however, have investigated a combination of these conditions, i.e., a space robot performing closed chain operations. This article presents a generalized formulation of the d... View full abstract»

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As the official means of communication for the IEEE Control Systems Society, the IEEE Control Systems Magazine publishes interesting, useful, and informative material on all aspects of control system technology for the benefit of control educators, practitioners, and researchers.

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Jonathan P. How
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