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Date 23-25 May 1990

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Displaying Results 1 - 25 of 619
  • Proceedings of the 1990 American Control Conference

    Publication Year: 1990, Page(s): 1
    IEEE is not the copyright holder of this material | PDF file iconPDF (28 KB)
    Freely Available from IEEE
  • Copyright page

    Publication Year: 1990, Page(s): i
    IEEE is not the copyright holder of this material | PDF file iconPDF (21 KB)
    Freely Available from IEEE
  • Awards of the American Automatic Control Council 1990

    Publication Year: 1990, Page(s):ii - iii
    IEEE is not the copyright holder of this material | PDF file iconPDF (149 KB)
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  • Operating Committee

    Publication Year: 1990, Page(s): iv
    IEEE is not the copyright holder of this material | PDF file iconPDF (53 KB)
    Freely Available from IEEE
  • Program Committee

    Publication Year: 1990, Page(s): iv
    IEEE is not the copyright holder of this material | PDF file iconPDF (53 KB)
    Freely Available from IEEE
  • Technical program

    Publication Year: 1990, Page(s):v - xlii
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  • Forward

    Publication Year: 1990, Page(s): 1
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  • Job Shop Scheduling with Simple Precedence Constraints

    Publication Year: 1990, Page(s):1 - 6
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (460 KB)

    This paper presents a near-optimal scheduling methodology for job shops where each job consists of a small number of operations. Each operation requires a particular machine type for a specified processing time. There may be a "timeout" between successive operations for inspection, heat treatment, paperwork or other processing which does not require the use of the machine types under consideration... View full abstract»

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  • Control of Discrete-Time Hybrid Stochastic Systems

    Publication Year: 1990, Page(s):7 - 12
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (491 KB)

    A realistic stochastic control problem for hybrid systems with Markovian jump parameters can have the switching parameters in both the state and measurement equations. Furthermore, both the system state and the jump states are, in general, not perfectly observed. Currently there are only two existing controllers for this problem. One is based upon a heuristic multiple model partitioning (MMP) and ... View full abstract»

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  • Control of Systems with Controlled Jump Markov Disturbances: Application to Flexible Manufacturing Systems

    Publication Year: 1990, Page(s):13 - 20
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (844 KB)

    This paper deals with the control of systems with controlled jump Markov disturbances. A such formulation was used by Boukas to model the planning production and maintenance of a flexible manufacturing systems (FMS) with failure machines. The optimal control problem of systems with controlled jump Markov process is addressed and the optimality conditions in both cases finite and infinite horizon, ... View full abstract»

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  • Output Feedback Control for a Class of Nondeterministic Discrete Event Systems

    Publication Year: 1990, Page(s):20 - 25
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (446 KB)

    This paper concerns with the output feedback control for the nondeterministic discrete event systems (DES) with probabilities known. The nondeterministic DES models are introduced by using the minimax algebra to formalize the treatment of time sequences, and by using usual algebra to introduce a Markovian structure that assigns transition probabilities to events. Based on this representation, the ... View full abstract»

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  • Linear Discrete-Event Systems: An Architecture and Simulator

    Publication Year: 1990, Page(s):26 - 27
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (163 KB)

    Nonlinear plants are often represented by a set of linearized models valid only in certain restricted regions of the plant's operation. It is advantageous to be able to automatically switch between these models in a gain-scheduled fashion using observed plant outputs -- for these are readily accessible and are often useful indicators of the continued validity or the sudden non-validity of a given ... View full abstract»

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  • Buffer size effect analysis for M/g/1/(∞, K) queue

    Publication Year: 1990, Page(s):28 - 32
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (249 KB)

    In this paper we are going to give the relationship between the staionary queue-length probabilities of the M/G/1/(∞, K) multiclasses queue and the unbuffered M/G/1 single-class queues. View full abstract»

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  • Control of Articulated Structures on Maneuvering Platforms

    Publication Year: 1990, Page(s):33 - 38
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (550 KB)

    This paper describes approaches to modeling, system identification, control design and testing of a heli-borne automatic gun turret system. Nonlinear dynamic modeling from physical data, linear and nonlinear system identification, model validation, control design, simulation, implementation and testing are described. Firing dispersion is reduced by supressing effects of recoil in barrel tip motion... View full abstract»

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  • Reduced Order Modeling Methods for Turret - Gun System

    Publication Year: 1990, Page(s):39 - 43
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (364 KB)

    Reduced order modelling techniques are used to design lower order robust controllers for a Turret-Gun System. The balance-truncation, Routh approximation, Litz's modal techniques are used to derive reduced order models for a Turret-Gun System. A critical comparison of time and frequency response characteristics between original and reduced order models is made. The spillover problem associated wit... View full abstract»

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  • Multi-Target Acquisition Fire Control Simulation

    Publication Year: 1990, Page(s):44 - 49
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (474 KB)

    This paper summarizes the development, structure, verification, and applications of the Multi-Target Acquisition System (MTAS) Fire Control (FC) simulation. Development of the simulation began in 1982 as part of the Center for Night Vision and Electro-Optics (CNVEO) "Search and Target Acquisition Radar for Target Location and Engagement" (STARTLE) Program. Originally, a milli-meter wave radar sens... View full abstract»

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  • Weapon Control and Stabilization Using Modern Control Techniques

    Publication Year: 1990, Page(s):50 - 54
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (261 KB)

    Modern and future battle field scenario requires future fighting vehicles to have very high pointing and stabilization accuracy while the vehicles are running at their maximum speed on the rough terrain. Even though the conventional control design combined with the strong stabilization(or rate disturbance feed forward) provides some degree of pointing and stabilization accuaracy, it fails to meet ... View full abstract»

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  • Decentralized Indirect Adaptive Control of Interconnected Systems

    Publication Year: 1990, Page(s):55 - 60
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (529 KB)

    Continuous time decentralized indirect adaptive controllers are proposed for a large scale system composed of N interconnected linear subsystems with unknown parameters. Each local adaptive law utilises a normalising signal which is generated using the local input and the outputs of all the subsystems. Sufficient conditions for the closed loop stability of the adaptively controlled large scale sys... View full abstract»

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  • On Frequency Domain Loop Shaping for Self-Tuning Control

    Publication Year: 1990, Page(s):61 - 66
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (505 KB)

    The self-tuning frequency-domain loop shaping control problem for stable minimum phase systems is considered. The resulting control scheme corresponds to an explicit self-tuning controller, where identification and control is implemented in the frequency domain, thereby taking advantage of the properties afforded by frequency domain identification schemes. The input and output signals to the syste... View full abstract»

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  • Adaptive Stabilization of Non-Linearizable Systems under a Matching Assumption

    Publication Year: 1990, Page(s):67 - 72
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (458 KB)

    In this paper we study the problem of adaptive stabilization of linearly parametrized nonlinear systems that satisfy a matching assumption. We show that, under these conditions, adaptive regulation is possible for a class of non-feedback linearizable systems. This class consists of systems for which there exists a parametrized state feedback control such that the closed loop system defines a stric... View full abstract»

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  • A New Robust Model Reference Adaptive Control Using Variable Structure Adaptation for Plants with Relative Degree Two

    Publication Year: 1990, Page(s):73 - 78
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (538 KB)

    Variable structure design (VSD) concept has been shown not only useful in dealing with uncertain systems but also in the adaptive context. Motivated by the recent work [13], a robust model reference adaptive control scheme for (single-input single-output) linear plants with relative degree two is developed in this paper. The scheme applies the VSD concept both to the plant input formation and to p... View full abstract»

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  • Indirect Techniques for Adaptive Input Output Linearization of Nonlinear Systems

    Publication Year: 1990, Page(s):79 - 80
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (157 KB)

    Nonlinear indirect adaptive control is motivated by the fact that, with exact knowledge of the plant parameters, a nonlinear state feedback law and a suitable set of coordinates can be chosen to produce linear input-output behavior. In the case of parameter uncertainty, intuition suggests that parameter estimates which are converging to their true values can be used to asymptotically linearize the... View full abstract»

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  • Auto-Tuning of Control Systems

    Publication Year: 1990, Page(s):81 - 82
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (152 KB)

    The paper describes a program written in PRO MATLAB for the investigation of auto -tuning. The program is menu driven and calls various analysis and simulation routines to allow different approaches to tuning. View full abstract»

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  • Robust Adaptive Control of Linear Systems Having a Polynomial Input Nonlinearity

    Publication Year: 1990, Page(s):83 - 84
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (174 KB)

    For a class of nonlinear systems depicted by the cascade connection of a static nonlinearity and a linear dynamic system, the influence of unmeasured disturbances and unmodeled dynamics on the performance of the previously proposed control weighted suboptimal control law [3] is analyzed. A simple robust adaptation scheme is presented to implement adaptively the suboptimal control law which ensures... View full abstract»

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  • Stability Analysis for Learning Systems

    Publication Year: 1990, Page(s):85 - 87
    Cited by:  Papers (5)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (210 KB)

    The error between the desired and actual output of a single input, multiple output plant is used by a learning law to modify the input in order to reduce the output error. Lyapunov stability analysis is used to determine criteria for the learning law coefficients. The plant is assumed to be stable, linear and time invariant. Formulations include restrictions on the desired trajectory and Lyapunov ... View full abstract»

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