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Intelligent Control and Automation, 2000. Proceedings of the 3rd World Congress on

Date June 26 2000-July 2 2000

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  • Proceedings of the 3rd World Congress on Intelligent Control and Automation [front matter]

    Publication Year: 2000 , Page(s): 0_1 - 62
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    Freely Available from IEEE
  • Author index

    Publication Year: 2000 , Page(s): I - XX
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    Freely Available from IEEE
  • Asymptotic pole assignment by learning

    Publication Year: 2000 , Page(s): 3097 - 3100 vol.5
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    This paper solves the exact pole assignment problem for the single-input stochastic systems with unknown coefficients under the controllability assumption which is necessary and sufficient for the arbitrary pole assignment for systems with known coefficients. The system noise is required to be mutually independent with zero mean and bounded second moment, and the state at a fixed time is assumed to be repeatedly observable for different feedback gains. This paper applies the iterative learning approach which is essentially based on stochastic approximation. The feedback gains are given without invoking the certainty-equivalency principle View full abstract»

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  • Some aspects of synchronization in coupled systems

    Publication Year: 2000 , Page(s): 3225 - 3228 vol.5
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    This paper reviews and proposes some theoretical problems in the synchronization theory of coupled dynamical systems View full abstract»

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  • H controller design for large flexible simulator

    Publication Year: 2000 , Page(s): 3445 - 3448 vol.5
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    This paper studies a robust controller design for a large flexible simulator using the H loop-shaping method. The model of the large flexible simulator is presented, and then a robust controller is designed by the H loop-shaping method, and the authors finally provide the computer simulation results of the closed-loop system View full abstract»

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  • The research on a single phase arc furnace adaptive control system

    Publication Year: 2000 , Page(s): 3101 - 3103 vol.5
    Cited by:  Papers (1)
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    This paper applies the pole assignment adaptive control algorithm to arc furnace electrode regulator system in order to improve the conventional arc furnace PID electrode regulator system. The simulation results show that adaptive control system has more advantages than the conventional PID either in dynamic characteristics or in resisting the arc length disturbance View full abstract»

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  • The apply of concurrent multiple tasks in computer control system

    Publication Year: 2000 , Page(s): 3597 - 3600 vol.5
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    The paper presents a new program framework and scheduling management method in terms of the features of concurrent multiple processes and the requirements of real-time processing in the computer real-time control management system so as to promote the efficiency of use of system resources and make the response speed faster as well as achieve real-time processing of concurrent multiple processes View full abstract»

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  • The modeling and control of basis weight and moisture content

    Publication Year: 2000 , Page(s): 3724 - 3728 vol.5
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    Basis weight and moisture content are two important parameters of paper quality. We can preferably pledge quality of production, increase output, economize material, save energy sources through control the two parameters. Computer control system for controlling the basis weight and moisture content of paper machine has a very complicated configuration, much disturbance, and great pure lag. In this paper, we analyse the arts and crafts flow of the papermaking system, and model it using a Petri net. We have simulated the model and found it advantageous View full abstract»

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  • Design of automatic carrier landing system using H control

    Publication Year: 2000 , Page(s): 3449 - 3451 vol.5
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    In this paper, the design of an automatic carrier landing system (ACLS) is accomplished using H-infinity techniques, in which the single input/output design specifications were translated into the weighting functions of the H-infinity synthesis problem. The objective of the design is to improve the ACLS's path precision under the worst-case condition of a vertical gust during carrier landing. The design yields a satisfactory response View full abstract»

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  • Dynamic neural network based nonlinear adaptive control for a distillation column

    Publication Year: 2000 , Page(s): 3087 - 3091 vol.5
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    In this paper, a dynamic neural network is used to learn the input-output behaviors of a binary distillation column by combining the mechanistic property. The model can be online identified. The weight-training algorithm is proposed. The convergence of the algorithm is discussed by using the Lyapunov method. Based on the identified model, a nonlinear adaptive controller is designed, which can preserve the stability and robustness of the closed loop system. Some simulation results are illustrated to show the effectiveness of the controller View full abstract»

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  • Motion control system's integration into intranet with distribution technology

    Publication Year: 2000 , Page(s): 3601 - 3604 vol.5
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    This thesis described the integration of the real-time motion control network with switch high-speed Ethernet technology and distributed database technology. An application is introduced at the end View full abstract»

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  • CMAC neural networks-based adaptive control for discrete-time nonlinear systems with unmatched uncertainties by backstepping

    Publication Year: 2000 , Page(s): 3200 - 3204 vol.5
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    Considers adaptive control for a class of SISO discrete-time nonlinear systems with unmatched uncertainties. The discrete-time nonlinear systems with unmatched uncertainties are firstly transformed into a class of new discrete-time nonlinear systems with matched uncertainties, and a CMAC neural network-based controller which linearizes the new discrete-time nonlinear systems is presented. Secondly, the states of the new discrete-time nonlinear systems are estimated using CMAC neural networks by backstepping. A stability proof is given in the sense of Lyapunov using the persistency of excitation (PE) condition. It is shown that all the signals in the closed-loop system are uniformly ultimately bounded. A simulation example is also given View full abstract»

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  • A practical evolutionary algorithm of one dimensional stock cutting problem

    Publication Year: 2000 , Page(s): 3729 - 3732 vol.5
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    Based on the characteristic of one dimensional stock cutting problem, combined the linear programming and the evolutionary computation, an approximation algorithm for the problem is given, which is easy and fast in implementation. Experiment shows that the using rate of material is up to 97.5% in average and the algorithm is worth of practice View full abstract»

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  • Decentralized H control for interconnected large-scale systems

    Publication Year: 2000 , Page(s): 3452 - 3455 vol.5
    Cited by:  Papers (1)
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    The problem of decentralized H control for interconnected large-scale systems is considered, and a complete design approach for a local state-feedback decentralized H controller is proposed. The solution for local controllers is carried out merely by iteratively solving a set of local algebraic Riccati equations. Finally, the effectiveness of the approach is verified by a simulation example View full abstract»

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  • Neuron based adaptive control algorithm for CNC positioning servo system

    Publication Year: 2000 , Page(s): 3121 - 3125 vol.5
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (336 KB)  

    According to the feature of neuron self-learning, a neuron based adaptive controller is proposed for the position servo control of CNC machine tools. The algorithm has the outstanding characteristic that the identification of system models is no longer necessary. Moreover, the simplicity of calculation makes the algorithm very suitable for practical engineering application. A simulation research is also outlined. The control algorithm is applied to real-time control of the position servo system of a CNC machine tool for the first time and excellent experimental results illustrate the high effectiveness of the neuron-based controller proposed View full abstract»

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  • The mechanism of Java based and objects-oriented simulation on WWW

    Publication Year: 2000 , Page(s): 3675 - 3679 vol.5
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    The paper addresses the implementation of a fundamental, easy but powerful mechanism of discrete system simulation on the World Wide Web with Java-based mobile code. With the support of Java multi-thread and object oriented programming theory, this simulation mechanism is different from any other existing simulation modeling language. It is mainly applied on the World Wide Web, and can be easily installed in any Java integrated development environment and extended to more utilized fields, furthermore, virtual reality simulation on WWW, as the further development of this system, is discussed and an M/M/2 queuing system is also given to show the prospects View full abstract»

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  • Energy balance control used for main steam temperature in power plant

    Publication Year: 2000 , Page(s): 3572 - 3575 vol.5
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    A conventional controller based on feedback was designed based on the dynamic property of the object. The paper gives a method that is based on the energy balance in the main steam temperature control of the boiler. The energy of the steam obtained from gas in the superheater must be balanced under static and dynamic conditions. It involves all the properties and heat transfer coefficient calculations of the work medium including water, steam, gas and air. The formulas or equations are from engineering manuals. The method can calculate the flow rate of spray water according to energy balanced under static and dynamic conditions. The paper gives design methods and rules, and provides test results from a power plant simulator. The results show excellent stability and robustness compared with a traditional controller. The controller based on this method can be easily used by a DCS View full abstract»

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  • GA method for solving minimum rank problems in reduced-order H synthesis

    Publication Year: 2000 , Page(s): 3431 - 3435 vol.5
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    Reduced-order H synthesis can be referred to as a minimum rank problem under LMI constraints, which is a non-convex optimization problem. The paper presents a numerical method for solving the non-convex optimization problem using genetic algorithms, by which the minimum order k of the H controller and a corresponding parameter pair (X, Y) can be effectively found. The obtained results can be used to design an excellent reduced order H controller. Due to not depending on initial points, the proposed approach is characterized by global search. A numerical example illustrates the effectiveness of this method View full abstract»

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  • Adaptive predictive control for bilinear systems with model indeterminacy

    Publication Year: 2000 , Page(s): 3205 - 3207 vol.5
    Cited by:  Papers (1)
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    An adaptive predictive controller is proposed for SISO bilinear systems with model indeterminacy by a combined input/output linearization method with linear predictive control. The normal RLS algorithm is used to estimate the adaptive parameters online. This new controller makes perfect control performance and has strong robustness View full abstract»

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  • On the domain of attraction and convergence rate of Hopfield continuous feedback neural networks

    Publication Year: 2000 , Page(s): 3277 - 3280 vol.5
    Cited by:  Papers (2)
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    The domain of attraction of memory patterns and exponential convergence rate of the network trajectories to memory patterns for Hopfield continuous associative memory are estimated by means of a matrix measure and a comparison principle. These results can be used for the evaluation of fault-tolerance capability and the synthesis procedures for Hopfield continuous feedback associative memory neural networks View full abstract»

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  • Memory mechanism research for the brain

    Publication Year: 2000 , Page(s): 3662 - 3664 vol.5
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    The paper begins first with memory phenomena of the brain, and presents the process by which external information is kept in mind under the control of the awareness centre. The paper also deals with the question of the memory model and construction View full abstract»

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  • Application of fuzzy pattern recognition to electrical apparatus evaluation

    Publication Year: 2000 , Page(s): 3665 - 3669 vol.5
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    We discuss pattern recognition models of electrical apparatus evaluation, by the application of fuzzy maths and online dynamic properties. From the example of a CJ20-100A AC contactor and the application of fuzzy maths to its synthetic evaluation eigenvalues, a pattern recognition model which is suitable for evaluation of electromagnetic apparatus, is figured out to be significant for the development and production of electromagnetic apparatus View full abstract»

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  • H control for Lipschitz nonlinear systems via output feedback

    Publication Year: 2000 , Page(s): 3456 - 3460 vol.5
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    This paper deals with the problem of disturbance attenuation via output feedback with internal stability for Lipschitz nonlinear systems. The main result is given in terms of the solutions of a Riccati equation and a Hamilton-Jacobi inequality. The method is shown to be suitable for linearized systems and, locally, for some general nonlinear systems as well. A numerical example is studied to show the feasibility of the presented approach View full abstract»

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  • Observer-based robust H control for uncertain time delay systems

    Publication Year: 2000 , Page(s): 3333 - 3337 vol.5
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    This paper deals with the problem of observer-based H control for uncertain time-delay systems. Based on the observer states, a controller is proposed to stabilizing the systems, and it can also guarantee that the H norm from the disturbance to the output is bounded. The controller can be obtained by solving two algebraic Riccati equations View full abstract»

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  • Robust guidance law for space interception

    Publication Year: 2000 , Page(s): 3389 - 3393 vol.5
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    In space interception, a linear time-varying model is established to describe the missile-target related line-of-sight (LOS) motion, where the guidance parameter variations and target maneuvers are regarded as gain bounded disturbances. From this model, a robust guidance law of homing-missile is derived and its robustness against the gain bounded uncertainty is proved by Lyapunov-like approach. Simulation results obtained demonstrate the effectiveness of the presented guidance method View full abstract»

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