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IEEE Transactions on Control Systems Technology

Issue 2 • March 2005

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Displaying Results 1 - 22 of 22
  • Table of contents

    Publication Year: 2005, Page(s): c1
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  • IEEE Transactions on Control Systems Technology publication information

    Publication Year: 2005, Page(s): c2
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  • The fusion of redundant SEVA measurements

    Publication Year: 2005, Page(s):173 - 184
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (736 KB) | HTML iconHTML

    The self-validating (SEVA) sensor carries out an internal quality assessment, and generates, for each measurement, standard metrics for its quality, including online uncertainty. This paper discusses consistency checking and data fusion between several SEVA sensors observing the same measurand. Consistency checking is shown to be equivalent to the maximum clique problem, which is NP-hard, but a li... View full abstract»

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  • The development of a MEMS gyroscope for absolute angle measurement

    Publication Year: 2005, Page(s):185 - 195
    Cited by:  Papers (29)  |  Patents (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1104 KB) | HTML iconHTML

    Microelectromechanical systems (MEMS) gyroscopes are typically designed to measure angular rate of rotation. A measurement of the angle itself is useful in many applications but cannot be obtained by integrating the angular rate due to the presence of bias errors which cause a drift. This paper presents an innovative design for a vibrating gyroscope that can directly measure both angle and angular... View full abstract»

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  • Experimental results on adaptive output feedback control using a laboratory model helicopter

    Publication Year: 2005, Page(s):196 - 202
    Cited by:  Papers (68)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (512 KB) | HTML iconHTML

    Experimental results are presented that illustrate a recently developed method for adaptive output feedback control. The method permits adaptation to both parametric uncertainty and unmodeled dynamics, and incorporates a novel approach that permits adaptation under known actuator characteristics including actuator dynamics and saturation. Only knowledge of the relative degree of the controlled sys... View full abstract»

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  • A variable structure control approach to active queue management for TCP with ECN

    Publication Year: 2005, Page(s):203 - 215
    Cited by:  Papers (43)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (960 KB) | HTML iconHTML

    It has been shown that the transmission control protocol (TCP) connections through the congested routers can be modeled as a feedback dynamic system. In this paper, we design a variable structure (VS) based control scheme in active queue management (AQM) supporting explicit congestion notification (ECN). By analyzing the robustness and performance of the control scheme for the nonlinear TCP/AQM mo... View full abstract»

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  • Elimination of harmonics in a multilevel converter using the theory of symmetric polynomials and resultants

    Publication Year: 2005, Page(s):216 - 223
    Cited by:  Papers (112)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB) | HTML iconHTML

    A method is presented to compute the switching angles in a multilevel converter so as to produce the required fundamental voltage while at the same time not generate higher order harmonics. Previous work has shown that the transcendental equations characterizing the harmonic content can be converted to polynomial equations which are then solved using the method of resultants from elimination theor... View full abstract»

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  • Linear approximation of bilinear Processes

    Publication Year: 2005, Page(s):224 - 232
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (416 KB) | HTML iconHTML

    The linear approximation for a first-order bilinear process perturbed using pseudorandom binary and ternary signals is studied, in terms of the related linear dynamics consisting of the underlying linear dynamics and bias caused by nonlinear distortions. The related time constant is derived from the input-output cross-correlation function. The analysis is extended by simulation to the case of mult... View full abstract»

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  • A variable structure multirate State estimator for seeking control of HDDs

    Publication Year: 2005, Page(s):233 - 245
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (536 KB) | HTML iconHTML

    This paper is concerned with a new multirate state estimator for the seeking control of hard disk drives (HDDs), which has a proportional, integral, and discontinuous error feedback structure to improve robustness. Conventional linear state estimators do not have sufficient accuracy under the existence of external disturbances and model uncertainty. With our proposed estimator, output-tracking per... View full abstract»

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  • Synthesis and implementation of sensor-less active shunt controllers for electromagnetically actuated systems

    Publication Year: 2005, Page(s):246 - 261
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1080 KB) | HTML iconHTML

    Electromagnetic transducers have been used extensively for active feedback control of mechanical vibration. In this paper, to reduce vibration, we demonstrate a new technique where an electrical impedance is connected to the terminals of an electromagnetic transducer. By measuring the coil terminal voltage and applying a related current, or vice-versa, vibration in the mechanical host system can b... View full abstract»

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  • Low-bias control of AMB subject to voltage saturation: state-feedback and observer designs

    Publication Year: 2005, Page(s):262 - 273
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (584 KB) | HTML iconHTML

    This paper addresses the problem of low-bias control for an active magnetic bearing (AMB) subject to voltage saturation. Using a generalized complementarity flux condition, a simple, three-dimensional (3-D) flux-based model is used to describe the dynamics of the low-bias mode of operation. Several stabilizing controllers are derived by applying recent results from nonlinear control theory. Specif... View full abstract»

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  • Vehicle following as backup control schemes for magnet-magnetometer-based lateral guidance

    Publication Year: 2005, Page(s):274 - 285
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1224 KB) | HTML iconHTML

    This paper describes the development of the backup vehicle lateral control algorithms for the magnet-magnetometer-based automated lateral guidance. Current vehicle lateral controllers rely on the use of two sets of magnetometers, one under the front bumper and the other under the rear bumper of the vehicle. The magnetometers measure the vehicle's lane following error relative to the magnets buried... View full abstract»

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  • A control and signal Processing integrated circuit for the JPL-boeing micromachined gyroscopes

    Publication Year: 2005, Page(s):286 - 300
    Cited by:  Papers (43)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1112 KB) | HTML iconHTML

    A special-purpose integrated circuit that accomplishes the real-time control and filtering tasks for the JPL-Boeing micromachined gyroscopes using a flexible, low-power implementation is presented. Our exposition focuses on the integration of the circuit and a prototype sensor, the synthesis and implementation of the control filters, and the subsequent performance of the closed-loop system. Identi... View full abstract»

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  • PDE modeling and control of a flexible two-link manipulator

    Publication Year: 2005, Page(s):301 - 312
    Cited by:  Papers (26)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB) | HTML iconHTML

    A partial differential equation (PDE) model for a flexible two-link manipulator is derived and transformed to a form appropriate for the development of stable control designs. Stable control of this nonlinear infinite dimensional two-link system is then achieved by a novel control design developed using passivity and Lyapunov-based methods. A two-link hardware experimental setup is used to validat... View full abstract»

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  • An energy management and charge sustaining strategy for a parallel hybrid vehicle with CVT

    Publication Year: 2005, Page(s):313 - 320
    Cited by:  Papers (45)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB) | HTML iconHTML

    An energy management control system for a parallel hybrid electric vehicle is presented. The proposed system incorporates an optimization scheme to assess the amount of engine torque for generating propulsive power (torque distribution task) as well as a charge sustaining scheme to ensure that battery's state of charge is maintained at sufficiently high level. In order to accomplish the torque dis... View full abstract»

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  • Hierarchical optimal force-position control of a turning Process

    Publication Year: 2005, Page(s):321 - 327
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (200 KB) | HTML iconHTML

    Machining process control technologies are currently not well integrated into machine tool controllers and, thus, servomechanism dynamics are often ignored when designing and implementing process controllers. In this brief, a hierarchical controller is developed that simultaneously regulates the servomechanism motions and cutting forces in a turning operation. The force process and servomechanism ... View full abstract»

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  • Fuzzy-logic-based plasma-position controller for STOR-M

    Publication Year: 2005, Page(s):328 - 337
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (960 KB) | HTML iconHTML

    The successful operation of a tokamak fusion reactor rests on its ability to stably confine a very hot plasma. The quality of the discharge in the Saskatchewan TORus-Modified (STOR-M) tokamak is strongly related to the position of the plasma column within the discharge vessel. If the plasma column approaches too near the wall, then either minor or complete disruption occurs. Consequently it is nec... View full abstract»

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  • Control of hybrid Machines with 2-DOF for trajectory tracking problems

    Publication Year: 2005, Page(s):338 - 342
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB) | HTML iconHTML

    There are two types of drivers in production machine systems: constant velocity (CV) motor and servo-motor. If a system contains two drivers or more, among which some are of the CV motor while the other are the servo-motor, the system has the so-called hybrid driver architecture and is called hybrid machine for short. The hybrid system has the advantage of high payload and application flexibility.... View full abstract»

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  • IEEE order form for reprints

    Publication Year: 2005, Page(s): 343
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  • Explore IEL IEEE's most comprehensive resource

    Publication Year: 2005, Page(s): 344
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  • IEEE Transactions on Control Systems Technology Information for authors

    Publication Year: 2005, Page(s): c3
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  • Blank page [back cover]

    Publication Year: 2005, Page(s): c4
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The IEEE Control Systems Society publishes high-quality papers on technological advances in the design, realization, and operation of control systems.

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Editor-in-Chief
Andrea Serrani
Department of Electrical and Computer Engineering
The Ohio State University
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email: serrani.1@osu.edu