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Industrial Electronics, 2002. ISIE 2002. Proceedings of the 2002 IEEE International Symposium on

2002

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Displaying Results 1 - 25 of 68
  • Environment-friendly utilisation of waste energies for the production of electric energy in disperse power plants

    Publication Year: 2002, Page(s):1119 - 1124 vol.4
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (619 KB)

    The paper describes a special system that makes it possible to generate electric and heat energy by utilising alternative, renewable and waste energies, in most cases, applying the principle of co-generation. The solution is based on a system that consists of a high-speed turbine, coupled to a three-phase permanent magnet synchronous generator, an AC/AC converter and a supervisory control unit. Th... View full abstract»

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  • Direct power control of three-phase PWM rectifier using space vector modulation-simulation study

    Publication Year: 2002, Page(s):1114 - 1118 vol.4
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (449 KB)

    This paper proposes a novel and simple direct power control of three-phase PWM rectifiers with constant switching frequency using space vector modulation (DPC-SVM). The active and reactive power is used as the pulse width modulated (PWM) control variables instead of the three-phase line currents usually used. Moreover, line voltage sensors are replaced by a virtual flux (VF) estimator. The theoret... View full abstract»

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  • Design of a fault tolerant control system for a NPC multilevel inverter

    Publication Year: 2002, Page(s):1075 - 1080 vol.4
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (623 KB)

    This paper gives a solution to implement a reconfigurable embedded controller for a NPC inverter. Redundancies in semiconductor configurations are used to enable a minimal operation with faulty power switches. The fault tolerance is obtained by the use of a particular control system architecture where modulated voltages are directly imposed and corresponding switch configurations are determined by... View full abstract»

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  • Low noise, gain enhanced circuits for low voltage low power CMOS systems

    Publication Year: 2002, Page(s):1346 - 1351 vol.4
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (546 KB)

    Low voltage low power specifications make difficult the integration of very high gain operational amplifiers; the classic method to achieve a gain enhancement together with both an offset and a low frequency, noise reduction is a proper autozeroing, which on the other hand significantly increases the effects of the input wideband noise. In this paper, the authors introduce dynamic matching of oper... View full abstract»

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  • Stability analysis of electrical drives fed by matrix converters

    Publication Year: 2002, Page(s):1108 - 1113 vol.4
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB)

    Input filters are usually adopted in electrical drives in order to improve the input current quality and to reduce the input voltage distortion. These filters; can determine instabilities, depending on the converter topology and drive control strategy. In this paper the stability of an electrical drive fed by a three-phase to three-phase matrix converter is analyzed considering two different input... View full abstract»

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  • A family-of high performance power-factor-correction circuit for actively clamped resonant dc link inverter

    Publication Year: 2002, Page(s):1071 - 1074
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (450 KB)

    First Page of the Article
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  • A 1.5 V CCII-based tunable oscillator for portable industrial applications

    Publication Year: 2002, Page(s):1341 - 1345 vol.4
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (428 KB)

    In this paper a low-voltage CCII-based tunable oscillator is presented. The circuit makes use of new first and second generation current conveyors, designed to operate at typical supply voltages as low as 1.5 V, the minimum being 1.2 V. SPICE simulations, performed by 0.5 μm CMOS process from ALCATEL-MIETEC, well confirm the theoretical analysis. In particular, CCI and CCII models have been tak... View full abstract»

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  • Hexapod locomotion control through a CNN based decentralized system

    Publication Year: 2002, Page(s):1312 - 1317 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (537 KB)

    In this paper the decentralized locomotion control of a bio-inspired hexapod robot is realized by using cellular neural networks (CNNs). This approach is inspired by the model of decentralized locomotion control in the stick insect, where local influences, based on the leg status, revealed by contact sensors, coordinates the CNN cells devoted to control each of the legs. To prove the suitability o... View full abstract»

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  • A position sensorless motion control system of reluctance synchronous motor with direct torque control

    Publication Year: 2002, Page(s):1148 - 1153 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (639 KB)

    This paper presents an implementation of position sensorless motion control system of reluctance synchronous motor (RSM) drives with direct torque control (DTC) for a industrial servo drive system. The control system consists of stator flux observer, rotor position/speed/torque estimator, two hysteresis band controllers, an optimal switching look-up table, IGBT voltage source inverter, and TMS320C... View full abstract»

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  • Optimized tolerance design of feedback compensation networks for voltage regulators

    Publication Year: 2002, Page(s):1103 - 1107 vol.4
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (539 KB)

    A reliable yield evaluation tool, useful for circuit tolerance design, is presented in this paper. It is based on a recursive divide-and-conquer algorithm that verifies the feasibility of each subset of the tolerance region (TR) under test. Such a check is performed by means of interval arithmetic (IA), thus giving a high robustness and reliability to the method and supplying a lower bound and all... View full abstract»

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  • Practical considerations concerning the interleaved transition mode single-stage ballast

    Publication Year: 2002, Page(s):1065 - 1070 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (648 KB)

    The aim of this paper is to present a novel single-stage interleaved ballast focusing on practical design aspects like: key current expression, overall losses, harmonic analysis of the differential-mode EMI current and preheating ballast function. A new preheating method is; also presented. A PSPICE model is used to perform the analysis. View full abstract»

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  • Challenges in mixed-signal integrated system design for industrial applications

    Publication Year: 2002, Page(s):1335 - 1340 vol.4
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (694 KB)

    This paper illustrates some difficult aspects of mixed-signal CMOS integrated circuit design. Limitations coming from coupling between digital and analog blocks are discussed., and a simple method to simulate the effects coming from nonideal biasing of different chip regions is presented. Experimental results on test chips validate the proposed approach. View full abstract»

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  • Author Index

    Publication Year: 2002, Page(s):1411 - 1417
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    First Page of the Article
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  • Self-startup of static series compensator

    Publication Year: 2002, Page(s):1306 - 1311 vol.4
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (542 KB)

    The energy-storage of the static series compensator (SSC) dictates its capability to mitigate voltage dips. Capacitors are considered the most feasible energy storage for the SSC, particularly in high power applications. However, charging techniques of such energy-storage capacitors (ESC) have not been reported in literature. This paper proposes and describes the self-charging, technique that uses... View full abstract»

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  • Sensorless speed and direct torque control of interior permanent magnet synchronous machine based on extended Kalman filter

    Publication Year: 2002, Page(s):1142 - 1147 vol.4
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (560 KB)

    The application of vector control techniques in AC drives demands accurate position and speed feedback information for the current control and servo-control loops. The paper describes a digital sensorless speed control system for interior permanent magnet synchronous machines (IPMSM). A Kalman filter is used to estimate the mechanical state of the motor. The observer was developed using a nonlinea... View full abstract»

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  • Implementation of single-phase switching mode-rectifier with three PWM control schemes

    Publication Year: 2002, Page(s):1097 - 1102 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB)

    A novel single-phase switching mode rectifier is proposed to achieve the bi-directional power flow, regulate DC bus voltage, reduce line current distortion and obtain nearly unity power factor. Based on the neutral point clamped topology, the voltage stress of the power devices is clamped to half DC bus voltage instead of full DC link voltage in the conventional PWM rectifier. In the proposed cont... View full abstract»

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  • An application of a simulation tool using a multifictional modeling method to logistics field

    Publication Year: 2002, Page(s):1370 - 1375 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    We developed a supply chain simulation tool using a multi-functional modeling method which easily defines a complicated whole supply chain in 5 kinds of partial model. This tool was applied to real supply chain data, and by the simulation ability of the tool was evaluated. View full abstract»

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  • A novel constant-frequency hysteresis current control of PFC converters

    Publication Year: 2002, Page(s):1059 - 1064 vol.4
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (541 KB)

    A novel adaptive-hysteresis (nearly) constant-frequency current control technique for single-phase switchmode rectifiers operating in continuous conduction mode is presented. It is based on cycle-by-cycle hysteresis calculator, which generates the hysteresis window that will keep the switching frequency in a very narrow band centered around programmed average value. The accuracy remains excellent,... View full abstract»

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  • Improved charge pump for flash memory applications in triple well CMOS technology

    Publication Year: 2002, Page(s):1322 - 1326 vol.4
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    Flash memories, which are key components for non-volatile storage in many portable applications, require high voltages for correct operation. These voltage have to be generated by using on-chip voltage elevators. This paper presents an improved scheme for charge-pump voltage elevators suitable for use in triple-well CMOS fabrication technology. A direct drain-bulk connection is realized for the pa... View full abstract»

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  • Low voltage current conveyor-based universal biquad filter

    Publication Year: 2002, Page(s):1331 - 1334 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (369 KB)

    A 1.5 V-supply low-power consumption (1.4 mW) current-mode biquad filter using current conveyors as active elements is presented. The circuit shows one input and three different outputs, performing simultaneously low-pass, band-pass and high-pass filtering operation. The topology, which has all integrated elements with two grounded capacitors, shows low sensitivity and independent control of &omeg... View full abstract»

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  • A new complex recurrent neural network equalizer for data communication

    Publication Year: 2002, Page(s):1271 - 1275 vol.4
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (511 KB)

    A new modified version called decision feedback complex recurrent neural network equalizer (DFCRNNE) is proposed with the study of complex recurrent neural network adaptive equalizer (CRNNE). Based on DFCRNNE, a modified real time recurrent learning (CRTRL) algorithm is developed. Simulation results show that DFCRNNE has better performance than the CRNNE based on traditional CRTRL algorithm in com... View full abstract»

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  • A predictive control technique for PWM-rectifier in vector controlled induction motor drives

    Publication Year: 2002, Page(s):1196 - 1200 vol.4
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (471 KB)

    In the paper, an optimized control technique of an active front-end is described with reference to induction motor drives with a voltage source inverter combined with an active voltage source rectifier. Both the motor-side and line-side PWM power converters employ IGBTs as switching devices. Based on a simplified analytical solution of the system mathematical model in a discrete digital control, a... View full abstract»

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  • Quantitative analysis of shunt active filter compensation characteristics under different rectifier load situations

    Publication Year: 2002, Page(s):1241 - 1246 vol.4
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (454 KB)

    Active filters have been drawing a lot of attention and have been put into practice to compensate the harmonies generated by nonlinear loads, mainly rectifiers, in electric power systems. By now, the shunt active filter is the most popular type of active filter. It has been noticed that the shunt active filter may have very different compensation characteristics for different types of rectifier lo... View full abstract»

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  • Finite integration technique numerical modeling for EMC and signal integrity problems

    Publication Year: 2002, Page(s):1404 - 1409 vol.4
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (746 KB)

    Because it costs to solve electromagnetic compatibility (EMC) problems late in the development process, new methods have to predict the electromagnetic (EM) behavior of an equipment at the design stage. This proposal seems to be quite hard to solve because of the number of factors that influence the EM field. In this paper a software code based on the finite integration technique in time domain (F... View full abstract»

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  • A shunt active filter control for one-phase and three-phase four-wire systems

    Publication Year: 2002, Page(s):1301 - 1305 vol.4
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    The proposed active filter is based on a shunt configuration made up of three one-phase current controlled VSI-PWM inverters. A deep analysis of reference and filtering waveforms during a sampling period has been carried out to obtain a relationship between electrical feedback parameters and duty cycle of switching waveform. This analysis provides a design equation for switching signal generation ... View full abstract»

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