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Industrial Electronics, 1992., Proceedings of the IEEE International Symposium on

Date 25-29 May 1992

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Displaying Results 1 - 25 of 209
  • An adaptive learning control scheme for manipulators

    Publication Year: 1992, Page(s):375 - 379 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (266 KB)

    The author presents a simple adaptive learning control scheme for multi-joint robotic manipulators based on the independent joint adaptive control and iterative learning control concepts. The control scheme consists of an adaptive law and a learning law. The adaptive law is designed by the Lyapunov method; less knowledge about the manipulator dynamics is required, and only the position and velocit... View full abstract»

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  • Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.92TH0371-5)

    Publication Year: 1992
    Request permission for commercial reuse | PDF file iconPDF (52 KB)
    Freely Available from IEEE
  • Discussion on adaptive array signal processing

    Publication Year: 1992, Page(s):450 - 453 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (227 KB)

    In this paper, the authors study four kinds of adaptive arrays. The authors give four optimal weight vectors and one consistent signal to interference noise ratio (SINR) formula. On this basis, they discuss how to further improve the SINR by adaptive array optimal design. Finally, one example is presented to verify their conclusions.<> View full abstract»

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  • Digital synchronization system for the control of self-controlled synchronous machine converters

    Publication Year: 1992, Page(s):676 - 679 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    This paper presents a study and an implementation of digital synchronization for the control of a three-phase converter-inverter driving a self-controlled synchronous motor. Beginning with given performance specifications, a study is carried out to look for the solution to various problems encountered in the production of a firing angle reference in the case of a variable frequency and perturbated... View full abstract»

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  • Averaged modelling and analysis of buck ZCS-QRC

    Publication Year: 1992, Page(s):680 - 684 vol.2
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (316 KB)

    A large signal nonlinear averaged model of buck ZCS-QRC is established by using the averaging method for discontinuous systems with two time scales (AMDTTS). The validity of the application of this method is verified by showing that the assumptions, under which AMDTTS can be justified, are strictly fulfilled by the converter model. The accuracy of the averaged model is guaranteed by the fact that ... View full abstract»

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  • Intelligent control system design of draft machine drivers by linear DC motor

    Publication Year: 1992, Page(s):821 - 822 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    Presents a new type of flatbed plotter, which uses two linear DC motors to directly drive the bridge and the pen carriage respectively, without gear gaps and backlashes, thus raising the rigidity of transmission and the resonant frequency. Those factors which are imposed on the servo motor and seriously worsen the performance of the control system have been eliminated so that it is quite possible ... View full abstract»

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  • Using the function-controlled technique in a small-type UPS

    Publication Year: 1992, Page(s):543 - 546 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB)

    A small uninterruptible power supply (UPS) with a function-controlled PWM charger and SPWM inverter has been realized. The system has high reliability, low total harmonic distortion and fast dynamic response of the output voltage of the inverter, and strong load adaptability. The system performances are verified by experiments View full abstract»

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  • ISDN-to-infrared link interface

    Publication Year: 1992, Page(s):786 - 788 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    Describes a special interface that was developed in order to implement a network using infrared (IR) radiation as communication channel for the terminals and utilizing the inherent capabilities of the integrated services digital networks (ISDN). The developed interface provides a suitable means for adapting the basic access ISDN (192 kb/s) to the IR terminals in a two-way IR communication channel,... View full abstract»

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  • An intelligent automatic test and diagnostic system

    Publication Year: 1992, Page(s):588 - 592 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    In recognition of the ever increasing problems that manual test approaches bring, an intelligent automatic test and diagnostic system (IATDS) is being developed which is described in the paper. The system performs a functional test to electronic equipment systems under test and provides the operator with a fault diagnostic approach which combines expert system (ES) techniques and guided-probe faul... View full abstract»

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  • A field acceleration method for induction motor drive using a novel space vector based current controller

    Publication Year: 1992, Page(s):663 - 667 vol.2
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    In this paper, a field acceleration method is proposed for controlling the motor torque directly to achieve instantaneous response without oscillation. One of the advantages is that no time varying coordinate transformation is required and the hardware implementation is greatly simplified. At the same time, a new space vector based current controller is proposed to effectively coordinate with the ... View full abstract»

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  • Two-value image data compressing and recovering using improved neural network

    Publication Year: 1992, Page(s):491 - 494 vol.1
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    Data compression and generalization capability are important characteristics of a neural network model. From this point of view, the two-value image data compression and recovering of a hybrid neural network are examined experimentally. The applied neural network models are the improved ART1 and the feedforward types. The hybrid network architecture, its learning process and the improved learning ... View full abstract»

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  • Compound artificial neural network based classifiers with applications to high resolution signal recognition

    Publication Year: 1992, Page(s):423 - 426 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    A novel class of compound artificial neural network based classifiers are presented. The proposed architectures contain different types of neurons and higher-order components, and may satisfy the Stone-Weierstrass theorem directly. They automatically map the input into a linearly separable feature space, then give the class code of the input through a set of Adalines. Intensive computer simulation... View full abstract»

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  • The evolution of power electronics

    Publication Year: 1992, Page(s):1 - 9 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB)

    The author presents a meaningful definition of power electronics. The definition offered includes for two reasons the phrase `by static means'. One is rather obvious, and that is to exclude equipment that intimately depends on components employing moving parts and mechanical switching. The other is perhaps less obvious; it is to allow the inclusion of magnetic amplifiers under the category of powe... View full abstract»

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  • A new active filter for power factor compensation

    Publication Year: 1992, Page(s):534 - 538 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (204 KB)

    This paper presents a new method for reactive power compensation including active filtering of the mains supply. Two instantaneous electrical measurement quantities, shifting reactive power and system load exchange reactive power, are introduced for power state analysis in nonsinusoidal conditions. If the time reference is selected properly, the shifting reactive power and the system load exchange... View full abstract»

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  • Single phase to three phase conversion without DC filter

    Publication Year: 1992, Page(s):547 - 550 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (224 KB)

    Single phase to three phase power converters consisting of: controlled rectifiers for converting unregulated single phase AC to regulated DC voltage; a DC filter for reducing the ripple voltage; and a three phase inverter for converting DC to balanced three phase voltages are the state of the art. The filter circuit consisting of electrolytic capacitors and DC chokes claim 25% of material cost, an... View full abstract»

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  • Adaptive frequency measurement (AFM) for vortex flowmeter signal

    Publication Year: 1992, Page(s):832 - 835 vol.2
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    This paper proposes a new adaptive frequency measurement method (AFM) for vortex flowmeter signals. Based on AFM, one can construct a new adaptive vortex flowmeter. Theoretical analysis and experimental results have proven that this method is practical for improving the measurement accuracy of the vortex flowmeter in practice use, and that this method can also be used in the other measurement and ... View full abstract»

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  • Multi-input multi-output self-organizing detection and filter design

    Publication Year: 1992, Page(s):555 - 559 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    A suboptimal auto-regression moving average detection filter is proposed using only input and output measurements to monitor the failures occurring in a multi-input multioutput stochastic linear time invariant system with unknown system parameters. Several self-organizing procedures including system updating construction of a discriminate function, and suboptimal detection filter-output estimation... View full abstract»

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  • Development of information integration in navigation

    Publication Year: 1992, Page(s):57 - 60 vol.1
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (276 KB)

    This paper presents a new information integration principle (IIP) in state filtering and estimation of a large scale linear system. When applied to decentralized navigation systems in which one or more sensor dedicated local filters feed a larger master filter, it showed that the IIP is efficient and convenient, and can given optimal or suboptimal solutions based on the throughput, precision and r... View full abstract»

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  • An Integrated Simulation Environment ISENET for computer communication networks: design and implementation

    Publication Year: 1992, Page(s):804 - 808 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB)

    The ISENET (Integrated Simulation Environment Networks), implemented on SUN/4 engineering workstations, is a set of simulation tools for computer communication networks. ISENET comprises a modeling interface, simulation processor SIMNET (Simulation Networks) and a post processor. The SIMNET system is based on an extended queueing network model and simulation method. The paper describes the basic c... View full abstract»

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  • On robust stability of discrete-time systems with real coefficients in a diamond

    Publication Year: 1992, Page(s):177 - 181 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (308 KB)

    The robust stability problem for continuous-time systems with coefficients varying in a diamond can be considered as a `dual' to Kharitonov's interval polynomial problem. This paper aims at extending the above results to discrete-time systems. It has been proved that the stability of a family of polynomials with coefficients varying in a real diamond requires only to check four extremal polynomial... View full abstract»

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  • A new method for leather texture image classification

    Publication Year: 1992, Page(s):304 - 307 vol.1
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    A new texture classification method intended for classifying leathers made of the same materials is presented. Unlike the conventional methods which mainly use global features, the authors use both global features extracted from the two dimensional power spectrum of enhanced leather trench image and the local features based on mathematical morphology operation of a segmented leather image. The exp... View full abstract»

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  • The research on fast detecting technique for failure of network in UPS

    Publication Year: 1992, Page(s):602 - 605 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB)

    This paper analyzes several kinds of the network failures and the characteristics of the UPS's operation, and puts forward a plant for the fast detecting of failures of the power network. The basic principles are to put a time controller and a comparator in the control circuit; or to make smooth the half sine wave, which reflects the voltage of the network; or to decrease or even eliminate the fil... View full abstract»

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  • Reseach on modelling of combustion process in diesel engines

    Publication Year: 1992, Page(s):518 - 522 vol.2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (252 KB)

    This paper is concerned with the combustion process in diesel engines. A revised GMDH algorithm based on K-L transformation is presented in this paper, and this algorithm is applied to nonlinear modelling for the mean rate of main combustion period (MR). Compared with the basic GMDH algorithm, the result obtained by the revised GMDH algorithm has lower order, better precision, and calculating stab... View full abstract»

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  • A three-phase four-line soft switched inverter for UPS applications

    Publication Year: 1992, Page(s):696 - 700 vol.2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    As the heart of UPS systems, the inverter is required to cope with stringent voltage regulation and distortion constraints in the presence of unbalanced and nonlinear loads. This paper presents a four-leg soft switched inverter topology to provide a four-line output including the neutral point. The adoption of a resonant DC link inverter (RDCLI) technique, which makes the four-line output possible... View full abstract»

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  • A neural network adaptive observer for field oriented control

    Publication Year: 1992, Page(s):226 - 230 vol.1
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB)

    A neural based adaptive observer is proposed for field oriented asynchronous machine control systems. It comprises two artificial neural networks (ANN) which are trained to learn the rotor flux and stator voltage dynamics respectively. After training, the ANN adjusts the slip signal command, thus providing decoupling of the flux terms. The ANN are subject to online training performed on the basis ... View full abstract»

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