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25-27 June 1996

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Displaying Results 1 - 25 of 106
  • Southcon/96 Conference Record

    Publication Year: 1996
    Request permission for commercial reuse | PDF file iconPDF (759 KB)
    Freely Available from IEEE
  • Bus industry changing to electric

    Publication Year: 1996
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (665 KB)

    Summary form only given. The Advanced Vehicle Systems, Inc. (AVS) twenty-two-foot battery powered electric bus is a high quality shuttle vehicle produced in Chattanooga, Tennessee. The vehicle's evolution comes from over three years proving out experience in a 3 mile circulator route operated by the Chattanooga Area Regional Transit Authority (CARTA) in the core downtown area of Chattanooga. The b... View full abstract»

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  • The harmonic currents of commercial office buildings due to non-linear electronic equipment

    Publication Year: 1996, Page(s):610 - 615
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB)

    In recent years there has been a growing concern for power system distortion. This is due in part to a proliferation of nonlinear electronic equipment such as personal computers, printers, fax machines, and medical test equipment. The power supplies used in this equipment are predominantly of the switching-mode variety which generate harmonic currents presenting serious problems to electric utilit... View full abstract»

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  • Education and the IEEE

    Publication Year: 1996, Page(s):263 - 264
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (136 KB)

    The Educational Activities Board (EAB) of the IEEE provides a means for effective interaction between academia and industry. It works to promote the development of innovative curricula and programs to address the evolving needs of its members. The EAB works with the various IEEE Sections to encourage the involvement of its members with the student community and to explain the role of the engineer ... View full abstract»

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  • Dynamic modeling of parallel connected DC to DC converters using Weinberg topologies

    Publication Year: 1996, Page(s):599 - 609
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    In this paper, the authors present a dynamic modeling technique for a parallel connected DC-to-DC power converter unit (DDCU) using the improved Weinberg topology. The state-space averaging approach, used previously for the single stage converter, is used here for the modeling of two parallel connected Weinberg converters. The closed-loop controller design is based on the average current sharing m... View full abstract»

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  • Proposed power electronics curriculum

    Publication Year: 1996, Page(s):251 - 262
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (748 KB)

    In this paper, an attempt is made to present undergraduate and graduate curricula in the field of power electronics. This includes detailed class contents for power electronics I & II and associated laboratory assignments for the first course. This work is motivated by the current efforts under way at the University of Central Florida (USA) to develop the power program in the Electrical and Co... View full abstract»

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  • A CMOS process for mixed mode signal design

    Publication Year: 1996, Page(s):385 - 389
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    In this paper we describe a modular approach to convert digital CMOS process for mixed-signal CMOS applications by incorporating LATID NMOSFET, HALO PMOSFET, and poly-to-substrate capacitors. Significant improvements in analog performance are achieved without degrading digital device characteristics View full abstract»

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  • Qualitative analysis of the impact of clock timing error and/or frequency offsets on an OFDM waveform demodulator

    Publication Year: 1996, Page(s):80 - 85
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (224 KB)

    Orthogonal frequency division multiplexing (OFDM) is a discrete multitone (DMT) waveform that is used on dispersive channels such as the subscriber twisted pair associated with asymmetric digital subscriber line (ADSL) or with digital television terrestrial broadcasting (DTTB). Implementation is based upon the IFFT for modulation and the FFT for demodulation. Orthogonality is obtained by having th... View full abstract»

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  • Contract manufacturing: solutions for the 21st century

    Publication Year: 1996, Page(s):643 - 646
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    Manufacturing companies in the twenty-first century will have a wide variety of tools and a strong background of technological innovations at their disposal. For example, faster and more powerful computers with a wider range of use are becoming prevalent in the manufacturing environment. Computer numerical control, robotics, lasers, vision systems, rapid prototyping, ASICs, fuzzy logic, neural net... View full abstract»

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  • Analysis and design of a boost derived DC-to-AC inverter

    Publication Year: 1996, Page(s):592 - 598
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    In this paper, we present a simplified steady state analysis and design for a DC-to-AC inverter with zero-voltage-switching (ZVS) and output isolation. It is a current-fed converter having variable frequency control to obtain a symmetrical regulated AC output. Two switches operating in complementary fashion to control the operation of the converter and provide transformer core resetting. The reson... View full abstract»

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  • A novel method for aircraft attitude estimation using magnetic field sensors and dynamic modeling

    Publication Year: 1996, Page(s):536 - 538
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (172 KB)

    A novel method for computing the attitude (roll, pitch, and heading) of a typical light aircraft has been devised, based on an electronic magnetic compass system developed by the authors. The compass uses a set of three magnetic sensors, which give a stable and accurate three-axis measurement of the Earth's magnetic field vector H. This measurement has been used to solve algebraically for the magn... View full abstract»

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  • Open-ball-operators for 3-D object recognition

    Publication Year: 1996, Page(s):303 - 307
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB)

    Recognition of three-dimensional objects is a crucial and challenging problem. This paper presents a method of three-dimensional object recognition using the Hopfield associative memory in neural networks. The input vectors to the Hopfield associative memory are obtained via the three-dimensional feature extraction open-ball operator (OBO). This approach is invariant to shift, translation, and rot... View full abstract»

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  • Optimal synthesis of digital counter

    Publication Year: 1996, Page(s):438 - 442
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (272 KB)

    This paper presents a unified and systematic approach to the analysis and synthesis of digital counters. Our method consists, firstly of analysing a given 3 bit counter to develop the state diagram and to investigate the possibility of hangup states. Based on this, we then synthesized a given logic function. Different synthesis methods are discussed, compared, and finally, an optimum circuit meeti... View full abstract»

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  • Electromagnetic fields: can't live without them, can't live with them

    Publication Year: 1996, Page(s):233 - 235
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (204 KB)

    The main objective of this paper is to show that we are surrounded by the electromagnetic fields (EMF) at home, work, and play. It also discusses some major epidemiological and laboratory studies showing the dangerous effects of EMF. Some safety measures that can be implemented to minimize these exposures are discussed View full abstract»

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  • Microelectronic curriculum development and education

    Publication Year: 1996, Page(s):248 - 250
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (192 KB)

    The microelectronic curriculum at the University of Central Florida (USA) aims to provide both undergraduate and graduate students with theoretical and practical exposure in the field of semiconductor devices. The development and the implementation of this curriculum are presented by the author View full abstract»

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  • Effects of base and emitter doping gradients on the electrical performance of heterojunction bipolar transistors

    Publication Year: 1996, Page(s):378 - 384
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB)

    The analytical equations of heterojunction bipolar transistors with nonuniform doping in the base and emitter has been developed. The comparison of the device characteristics between nonuniform and uniform doped HBTs show that the nonuniform doped HBT has higher current gain, higher cutoff frequency, lower base transit time, and lower emitter-base junction capacitance View full abstract»

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  • An analytical model for telephone systems with correlated channel demand

    Publication Year: 1996, Page(s):72 - 77
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (512 KB)

    In cellular telephony, systems are designed to operate with a probability of 0.01 or 0.02 that a subscriber will be blocked from attempting a call at any randomly chosen moment. This design constraint, called the blocking probability, is satisfied by supplying a certain number of channels relative to the expected traffic load of the cell at worst case (busy hour) loading. The relationship between ... View full abstract»

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  • The RISC MPC505 MCU in cable set top converters

    Publication Year: 1996, Page(s):634 - 639
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Cable set top converters are taking on an increased computational role in the distribution of cable television signals. The MPC505 processor implements a very advanced controller that can deliver new levels of performance in a microcontroller chip. These new levels of performance are required in such applications as automotive engine control where there are many timing functions to be performed wi... View full abstract»

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  • Implementing the Rivest, Shamir, Adleman cryptographic algorithm on the Motorola 56300 family of digital signal processors

    Publication Year: 1996, Page(s):10 - 17
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    The Rivest, Shamir, Adleman (RSA) algorithm [Rivest et al. 1978] is one of a class of cryptographic algorithms that utilize very large precision arithmetic. Multiplication, division, addition and subtraction typically need to be implemented with 512 or more bits precision-and the need for more precision grows as computational processing speeds increase. Digital signal processors are one natural wa... View full abstract»

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  • An overview of the control scheme for distributed power systems

    Publication Year: 1996, Page(s):584 - 591
    Cited by:  Papers (22)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB)

    This paper gives an overview for the current control schemes used in the design of distributed power systems (DPS). Several control techniques are currently used to provide load current sharing among several parallel connected DC-to-DC converters. The droop control technique, average current, master-slave methods are reviewed in this paper. Finally, a block diagram with control functions for two p... View full abstract»

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  • Mathematical modeling using partition theory and data compression

    Publication Year: 1996, Page(s):530 - 535
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB)

    This paper provides additional insight and information about a newly described method and mathematical model which is created by using number theory and a lossless data compression technique. The central tenet of this method and model suggests a strong connection between additive number theory (partitions) and statistics-in that, it shows how a scatterplot or a set of data, if modeled as a finite ... View full abstract»

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  • A private architecture for public networks

    Publication Year: 1996, Page(s):118 - 120
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    We discuss possible standards for ISDN security that allow data transmitted over ISDN to be encrypted so that only the intended receiver can decipher it. This will make the public ISDN behave like a private network and allow ISDN to be a solution in applications that require authentication, privacy and confidentiality. The authors describe the properties of data encryption schemes required to impo... View full abstract»

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  • Rule based approximate reasoning for intelligent control

    Publication Year: 1996, Page(s):481 - 486
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (496 KB)

    Fuzzy logic control is being increasingly applied to solve control problems in areas where system complexity, development time and cost are the major issues. In the absence of a system mathematical model, a fuzzy system model is described which is analogous to a human operator's behavior, based on approximate reasoning bound by a minimum set of rules. A set of linguistic fuzzy control rules are se... View full abstract»

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  • Applications for real time image warping

    Publication Year: 1996, Page(s):298 - 302
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB)

    Image processing applications can be sub-divided into two major categories. Image restoration and enhancement is concerned with the reconstruction of image data from a signal which has been degraded by noise or artifacts. As subset of this category, image exploitation and analysis seeks to enhance the features of an image that convey some critical information to the observer. In both cases, the re... View full abstract»

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  • Microcomputer bus architectures

    Publication Year: 1996, Page(s):431 - 437
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (532 KB)

    in this paper, the bus architecture of microcomputers based on the Intel 80×86 family of microprocessors will be explored. Specifically, the Industry Standard Architecture (ISA) will be introduced and its role in subsequent architecture designs will be examined. Bus architectures including the Extended Industry Standard Architecture (EISA), Micro-Channel Architecture (MCA), Video Electronics... View full abstract»

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