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Industrial Electronics, IEEE Transactions on

Issue 1 • Date Feb. 1985

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Displaying Results 1 - 21 of 21
  • Table of contents

    Page(s): c1
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  • IEEE Industrial Electronics Society

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  • The J3 SCR Model Applied to Resonant Converter Simulation

    Page(s): 1 - 12
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    The J3 SCR model is a continuous topology computer model for the SCR. Its circuit analog and parameter estimation procedure are uniformly applicable to popular computer-aided design and analysis programs such as SPICE2 and SCEPTRE. The circuit analog is based on the intrinsic three pn junction structure of the SCR. The parameter estimation procedure requires only manufacturer's specification sheet quantities as a data base. View full abstract»

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  • On-Board Optical Data Communications Network for Train Control

    Page(s): 13 - 18
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    Recently, electronic control equipment has begun to be installed in trains. This equipment is being used to communicate control and status information to allow trains to be operated more efficiently and reliably. However, the use of such equipment causes an increase in the amount of control and monitor information generated on a train, which in turn causes an increase in the amount of wiring required to carry the information. Until now, monitor equipment data have been multiplexed, and metal wire cables have been used, to reduce the amount and weight of wiring used [1]. View full abstract»

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  • Dynamic Computer Control of a Robot Leg

    Page(s): 19 - 25
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    A dynamic control scheme for a three degree-of-freedom robot leg, which has been interfaced to a PDP-11/70 minicomputer, is developed and implemented. A CSMP (Continuous System Modeling Program) simulation is also used to study the dynamic characteristics of the leg off-line. The results of the work show that the dynamic equations of motion are valuable in robotic systems to develop an appropriate control scheme, to determine suitable ranges of feedback gains, and to be used on-line to generate a feed-forward control input. View full abstract»

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  • Design and Implementation of a Binocular-Vision System for Locating Footholds of a Multi-Legged Walking Robot

    Page(s): 26 - 31
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    A binocular-vision system designed and built for a six-legged mobile robot, the OSU Hexapod, is described. The vision system recognizes footholds specified by an operator by pointing a laser beam to the desired spot for one of the front feet. The front foot then steps onto this foothold and the other feet follow the footprints. This type of locomotion, called the Follow-the-Leader operation, is suitable for rough terrain traversing. The vision system consists of two charge injection device (CID) television cameras with controllers and a special purpose interface circuit. The image of the laser spot is detected by both cameras on the CID sensor plane. The special purpose interface circuit processes the pixel intensity data and calculates the coordinates of the pixel which has an intensity level above an external threshold. Special purpose hardware is needed as new pixel data is ready every 222 ns. The interface circuit also handles the synchronization of image detection and transmission of the coordinates to the PDP 11/70 computer. These coordinates are then used to compute the three dimensional coordinates of the foothold by using triangulation. The PDP 11/70 computer controls the vision system and the motions of the Hexapod. View full abstract»

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  • Design of Multivariable Feedback Systems Using Progressive Decoupling

    Page(s): 32 - 36
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    A general procedure for the design of multivariable feedback systems is presented. The system is first rendered weakly coupled by a suitable choice of some controller ratios and then designed by conventional single-loop techniques. One major characteristic of the method is that various degree of coupling of the system can be obtained, dependent on the complexity of the controller ratios chosen. Furthermore, a criterion is given to decide when the system can be regarded as weakly coupled, such that single-loop design techniques can be applied. The method gives the designer more freedom in the design and provides him with many more choices for a suitable controller. The effectiveness of the method is demonstrated by an application to a 4 x 4 boiler furnace example. View full abstract»

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  • An Adaptive Control Scheme for Oscillatory Servo Systems

    Page(s): 37 - 40
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    The application of a new model-following, adaptive control to an electromechanical servo system with low natural resonance frequency is discussed. The design of the adaptation mechanism is based on the use of a special Liapunov function describing the stability domain. Results are presented which show consistent improvement in the dynamic response for a fifth-order, long-shaft, servo system. View full abstract»

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  • Voltage Pump Phase-Locked Loops

    Page(s): 41 - 49
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    This paper is concerned with the phase-locked loop with Voltage Pump Phase Frequency Detector (VPPFD) and resolves the differences in explanation about its somehow peculiar behavior appearing in the literature. View full abstract»

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  • Application of a Signal Processor in PWM Inverter Control

    Page(s): 50 - 55
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    The paper is concerned with the application of a signal processor in the control of inverters modulated with a subharmonic technique. The distinct advantages offered by such an application over analog circuitry or a conventional microcomputer are illustrated. Description of how the PWM inverter control can be implemented on a signal processor is given. A single-phase PWM inverter controller is developed as an example and its hardware and software structures are presented. A complete set of experimental results is also included. View full abstract»

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  • A Real-Time Process Scheduler for a Ring-Type Microcomputer Network

    Page(s): 56 - 61
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    This paper describes the design of a real-time process control scheduler for microcomputers in a distributed process control scheme with a ring-type network configuration. For simplicity, static priority based round-robin scheduling policy is used where working time-slice, for different processes can be variable. The memory size for the process scheduler modules is estimated at about 2.5 Kbytes using an Intel 8085 instruction set and a RAM requirement of about 1 Kbyte. View full abstract»

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  • A High-Performance Microcomputer-Based Control Circuit for Variable Frequency Inverters

    Page(s): 62 - 70
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    The paper deals with the problems related to the implementation on a microcomputer of the control circuit of variable frequency three-phase inverters, fit to supply ac motors. View full abstract»

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  • Noniterative System Identification Applied to Wind Tunnel Valve Control

    Page(s): 71 - 77
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    A noniterative system identification procedure is developed and applied to the air supply control valves of a wind tunnel. These control valves regulate the air flow through the wind tunnel and thereby determine the flight conditions being simulated. The position control system for these valves must be of high performance and should be maintained in a properly tuned condition. View full abstract»

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  • A Versatile Digital Controller Algorithm Incorporating a State Observer and State Feedback

    Page(s): 78 - 84
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    A digital controller algorithm is developed which forces a single-input single-output plant, defined by its transfer function, to respond according to a specified model transfer function. The algorithm is implemented by two difference equations and incorporates a state variable observer and state variable feedback control. The procedure used is sometimes referred to as a model reference feedback control system. View full abstract»

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  • Letters to the Editor

    Page(s): 85 - 87
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  • Contributors

    Page(s): 88 - 91
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  • An Essential Reference Book for Engineers and Scientists in the Electrical Disciplines

    Page(s): 92
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  • Research, Design and Development Engineers:

    Page(s): 93
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  • IEEE copyright form

    Page(s): 95 - 96
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  • Administrative Committee

    Page(s): [96]-a
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  • Technical Committees

    Page(s): [96]-b
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Aims & Scope

IEEE Transactions on Industrial Electronics encompasses the applications of electronics, controls and communications, instrumentation and computational intelligence for the enhancement of industrial and manufacturing systems and processes.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Carlo Cecati
DISIM - Univ. degli Studi dell'Aquila
67100 Aquila, Italy
c.cecati@ieee.org
Phone: +39 0862 434 450
Fax: +39 0862 1960 411