Showing papers in "IFAC Proceedings Volumes in 1983"

TL;DR: A realistic fuzzy reasoning algorithm and a method to identify control rules from human operators actual control actions and the performance of the proposed algorithm is examined by applying it to water cleaning process control.

TL;DR: Results show substential gains on delay to give an idea of about 16% with respect to fixed time policies in PRODYN.

TL;DR: In this article, the decision maker's judgement on subjective probabilities and subjective trade-offs among attributes were analyzed in a fuzzy decision analysis on the development of a Centralized Regional Energy Control System in Tobata Ward of Kitakyushu City.

TL;DR: An automatic train operation system which evaluates safety, comfort, traceability of target velocity, and the accuracy of a stop cao has been developed and its control rules are easy to understand and are connected to the performance indices.

TL;DR: In this article, the robustness of an indirect adaptive control scheme based on pole placement design with respect to unmodeled dynamics, non linearities, time variations or to ill-modeled measurement disturbances was studied.

TL;DR: The relational algebra for such fuzzy data model is defined, namely, the union, intersection, difference and extended Cartesian product are similarly defined as those in fuzzy set theory and the special relational operations are newly defined for fuzzy databases.

TL;DR: In this paper, model reference adaptive control (MRAC) is used for the dynamic control of a three degrees of freedom mechanical manipulator and experimental results for a one dimensional position control problem.

TL;DR: In this paper, the authors discuss the requirements for suitable control algorithms for sheet-making processes and apply them to other sheetmaking processes, such as paper-making and paper-cutting.

TL;DR: In this article, the authors proposed a new control strategy for an AC-AC converter which uses power transistors in the switching mode as the main power elements and which connects directly the three-phase source to the load.

TL;DR: The addition of fuzzy numbers denoted ⊕, and defined via a sup- t- norm convolution, is now well-understood from both theoretical and computational points of view, at least for the t-norm ’min’.

TL;DR: In this article, a predictive control strategy is proposed, by which a current control of converters by microcomputer is possible, which is a kind of feed forward control working without overshoot within very short settling times.

TL;DR: In this article, a new and explicit characterisation of the concept of persistency of excitation for time invariant systems in the presence of possibly unbounded signals is presented. And the implication of this result in the adaptive control of a class of linear time varying systems is also investigated.

TL;DR: In this paper, nonlinear equations of motion for flexible manipulator arms consisting of rotary joints connecting two flexible links are developed, where the link deflection is assumed small so that the link transformation can be composed of summations of assumed link shapes.

TL;DR: Control methods for the induction machine in the field weakening range are investigated, regarding control response, voltage requirements, converter and machine utilization, operation at the voltage limit, measurement base.

TL;DR: The problem of forgetting old data in recursive estimation of time-varying systems is considered in this article, where old proposals are reviewed and a new method is presented, which controls the P matrix to a desired diagonal matrix.

TL;DR: In this article, the analysis and design of external sensory feedback loops in robots is discussed. But the main emphasis is on force-torque sensors and the techniques described are more general.

TL;DR: The status and prospect of research in complex dynamic systems with special emphasis on dimensionality, information structure constraints, and uncertainty are reviewed.

TL;DR: The synthesis of fuzzy logic controller is dealt with by using the fuzzy reasoning based on Lukasiewicz logic proposed by Y.Tsukamoto and its application to automobile speed control system.

TL;DR: Oscillations in continuous cultures of S.cerevisiae can be observed at conditions when only small amounts of ethanol are produced, and a more complex model based on biochemical pathways gives a better description of the experiments.

TL;DR: A survey of the recent results concerning the Distributed System Parameter Identification Problem (DSPIP) can be found in this paper, which covers roughly the last seven years, i.e. that period following the publication of a previous survey by Polis and Goodson [77].

TL;DR: In this article, the authors give an account of the control aspects with converter-fed AC-drives, and present a control model for AC-machines with a nonlinear, highly interacting multivariable control structure.

TL;DR: In this article, the authors propose new concepts and methods for the mathematical analysis of conflict processes based on simulation gaming models and experiments and more formal game-theoretical analysis by taking certain ideas from interactive decision supported games, assuming that the players have multiple objectives that they wish to satisfice.

TL;DR: In this paper, a nonlinear programming probelm for unity-feedback multivariable systems with stable plants is proposed. But it does not consider whether a given design will desensitize the closed-loop response to additive output disturbances and perturbations in the plant.

TL;DR: In this article, a new control method for a direct frequency changer using forced commutation of the electronic switches is proposed, which contains, in wide ranges, input reactive power adjustment independent of the load power factor and the desired output voltage.

TL;DR: A new method for estimating the magnitude of partial flows from each entry to any exit of a complex intersection is presented which not only evaluates the balance equations for the accumulated counts of entering and leaving volumes as previous methods have done but additionally makes use of an analysis of the time sequences of entered and leaving flows by correlation techniques.

TL;DR: An interactive fuzzy decisionmaking method for the solution of multiobjective linear programming problems by combined use of bisection method and linear programming method is proposed and developed to implement man-machine interactive procedures.

TL;DR: The language F.R.I.L.L (fuzzy relational inference language) incorporates an automated fuzzy inference mechanism and should find applications in many areas of knowledge engineering such as expert systems, linguistic controllers, intelligent data bases, modelling of complex systems and decision support systems.

TL;DR: A mean-value theorem for the fuzzy integral is proved, which has as a consequence the possibility of reducing optimization with inexact constraints to classical optimization.

TL;DR: In this article, an optimally pulsed voltage fed inverter drive with field oriented control is proposed, in which the standard pulsewidth modulator as well as the dynamic decoupling system are completely eliminated.

TL;DR: Experimental and simulation studies for a stirred-tank heating system indicate that the new self-tuners perform well and can be easily adjusted on-line.