Proceedings of the 3rd World Congress on Intelligent Control and Automation (Cat. No.00EX393)

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
  • Optimization for a class of self-adaptation neuro-fuzzy models and its application to CSTR modeling

    Publication Year: 2000, Page(s):3513 - 3517 vol.5
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    We study the model structure and parameter optimization for Takagi-Sugeno type neuro-fuzzy models based on the statistical information criteria, matrix singular value decomposition, rule elimination method and rule merging methods. Some novel parameter self-adaptation algorithms are presented in this paper, which can be used to modify cluster center values, cluster radius values and parameters of ... View full abstract»

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  • Optimal design of operating procedures for chemical processes

    Publication Year: 2000, Page(s):3544 - 3548 vol.5
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    In order to design more operable or even optimal chemical processes, a reliability theory is proposed to support the planning of operating procedures. The optimality can be achieved through the quantification, thoroughness, practicability, safety and energy conservation considerations of this methodology. A three-tier reasoning framework is constructed to describe the two-step quantitative plannin... View full abstract»

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  • Use of genetic algorithm in optimal orbit manoeuvre

    Publication Year: 2000, Page(s):3509 - 3512 vol.5
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    The application of genetic algorithm is discussed in the problem of minimum-fuel consumption orbit manoeuvre of spacecraft. First, the method of operation is introduced. Two examples are then given: one is soft-landing of a lunar probe from lunar satellite orbit to lunar surface; and the other is orbit manoeuvre of lunar probe from a selenocentric hyperbolic orbit to a selenocentric circular orbit... View full abstract»

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  • FCC process modeling and light oil yield optimization research

    Publication Year: 2000, Page(s):3539 - 3543 vol.5
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    The fluidized catalystic cracking (FCC) is the most important secondary processing technique in oil refining industry. The authors use the multilayer forward neural network for identifying and establishing the model of FCC reaction process, and the self-correlation function in checking the reliability of the model. In the research of light oil yield optimization the authors develop a series of opt... View full abstract»

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  • The simplification of neural network for quadratic programming problems and its applications in optimal control

    Publication Year: 2000, Page(s):3504 - 3508 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (296 KB)

    In this paper, a kind of neural network for quadratic programming problems is first simplified. The simplification is necessary for high accuracy solutions and low cost implementation; the simplified model has high performance. The proposed neural network is used to solve quadratic control problems for discrete linear systems with constraints. The simulation proved the rationality of the results o... View full abstract»

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  • Robust H-infinity controller with pole placement constrains in helicopter control

    Publication Year: 2000, Page(s):3372 - 3376 vol.5
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    In this paper, the H∞ technique with pole placement constraints is used to design the CH-47 helicopter controller. The benefits from this are that the system not only has satisfied the H ∞ requirement but also can force the closed-loop poles into a suitable sub-region of the left-half plan. It avoids over fast dynamic responses for digital implementation and has s... View full abstract»

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  • Adaptive stabilization of unstable periodic orbits of chaotic systems

    Publication Year: 2000, Page(s):3195 - 3199 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (324 KB)

    An adaptive time-delayed control method is proposed for stabilizing inherent unstable periodic orbits (UPOs) in chaotic systems. We first formulate the UPO stabilizing problem as a nonlinear optimal control problem, the analytic solution to which results in a controller stabilizing the desired UPOs. We then use the synchronization concept to construct an identifier for the estimation of the uncert... View full abstract»

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  • Optimization and control on separate well and separate zone polymer flooding

    Publication Year: 2000, Page(s):3536 - 3538 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (180 KB)

    In accordance with the complexity of geologic environment in oil fields, the paper presents an optimization model of separate well and separate zone polymer flooding, in which many factors are taken into account, such as the water content of the producing well, polymer injection rate, injection-production ratio, water absorbing capacity, etc. From these factors, constrains are given, and the model... View full abstract»

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  • An algorithm for the mixed μ synthesis in the state-space

    Publication Year: 2000, Page(s):3428 - 3430 vol.5
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    Based on the interior-point method, a state-space algorithm for mixed μ synthesis is proposed. Then the algorithm is illustrated by computer simulation. Besides robust stability, the system designed by the presented method has short regulating period and small overshoot View full abstract»

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  • Studying and accomplishing a new guidance law for homing missile attacking maneuvering target

    Publication Year: 2000, Page(s):3500 - 3503 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (276 KB)

    By utilizing the design method of the linear-quadratic regulator, a new optimal guidance law for the infrared and radar homing missile which has good adaptability and high precision for attacking maneuvering target is derived. For resolving the important problem in engineering accomplishing, an adaptive statistical model of target maneuvering is proposed. Based on the statistical model of target m... View full abstract»

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  • H control of overlapping interconnected power systems

    Publication Year: 2000, Page(s):3368 - 3371 vol.5
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    In terms of the restriction conditions of the inclusion principle and LMI algorithm, an approach of the decentralized robust H∞ controller design is proposed for the multi-area overlapping interconnected power systems, based on the control of two by two area interconnected subsystems. Taking the two-area overlapping interconnected power system as an example, a simulation of the s... View full abstract»

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  • Adaptive control system of speed sensor-less AC motor variable speed drive

    Publication Year: 2000, Page(s):3141 - 3143 vol.5
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    According to the principle of the model reference adaptive control theory, the novel method using Popov's hyperstability criterion to solve the convergent problem of the speed identification algorithm in a speed sensor-less direct torque control system is presented in this paper. Theory analysis and simulation study show that the suggested method can assure global asymptotically stability of the s... View full abstract»

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  • Applying Lie series in the singular optimal controls

    Publication Year: 2000, Page(s):3532 - 3535 vol.5
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    We study in this paper the singular optimal control problems. We derive the basic formulation and obtain a sufficient and necessary condition for singular optimal controls. Meanwhile, we approximate the solution by Lie series and present a computational method to deal with the optimization 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)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (180 KB)

    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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  • The design of robust adaptive controller applied in automobile active suspension

    Publication Year: 2000, Page(s):3156 - 3160 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (288 KB)

    This article proposes a new robust adaptive control algorithm from applied point of view which can be applied to active suspension. Its stability is proved and simulated in disturbed system. Firstly, a nonlinear filter is introduced. It simplifies the control law design. Secondly, the analysis of VSC (variable structure control) is used in backstepping controller design. The robustness to system d... View full abstract»

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  • The hard bound models of uncertain object set and synthesis of robust controller

    Publication Year: 2000, Page(s):3424 - 3427 vol.5
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    In the paper the hard bound models and random sample models of an uncertain linear multivariable object set as proposed. The distributions are estimated for closed-loop poles of a sample model set. The normative synthesis method for a robust controller is proposed by statistical deductive theory for several distributive characteristics and capacities of the sample model set 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
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (268 KB)

    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 ... View full abstract»

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  • A sufficient optimality condition for piecewise C1 extremal controls

    Publication Year: 2000, Page(s):3495 - 3499 vol.5
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    We give an exposition of a few aspects of our methodology for the general nonlinear optimal control in the piecewise C1 case. We obtain a sufficient optimality condition for piecewise C1 extremal controls by a first order partial differential equation, an optimization process and the Pontryagin principle. We express the optimal value function by Lie series. Finally, we presen... View full abstract»

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  • Delay dependent guaranteed cost control for linear uncertain time delay systems

    Publication Year: 2000, Page(s):3363 - 3367 vol.5
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (252 KB)

    The problem of designing state feedback guaranteed cost control laws is studied for a class of linear uncertain time-delay systems. By using the linear matrix inequality approach, the existence conditions are derived and a parametrized representation of the delay-dependent guaranteed cost controllers is presented. Furthermore, a convex optimization problem with LMI constraints is formulated to des... View full abstract»

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  • Application of singular perturbation approach in trajectory tracking control of two-link flexible manipulator

    Publication Year: 2000, Page(s):3736 - 3740 vol.5
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (260 KB)

    In this paper, a singular perturbation approach with state observer of dimensionality reduction is applied for the trajectory tracking control of vertical planar two-links flexible manipulators. The system is divided into fast and slow subsystem. Computed-torque method is adopted to control the slow subsystem, in order to trace joint trajectories precisely. The main contribution of this paper is t... View full abstract»

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  • Robust control design for uncertain sampled-data system

    Publication Year: 2000, Page(s):3408 - 3410 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (188 KB)

    Presents the robust controller design method for sampled-data control system with uncertainty in both system matrix and control matrix. Based on the robust design method for a continuous system, two sufficient conditions are developed for the existence of the robust controller for uncertain sampled-data systems View full abstract»

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  • The optimal control of flatness in four-roll CVC mill

    Publication Year: 2000, Page(s):3528 - 3531 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (244 KB)

    This paper describes the optimal control and mathematical model of the four-roll CVC mill. From the practical applications, it is suitable for flatness control of the similar mills View full abstract»

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  • The generalized properties of KYP and its applications in H method

    Publication Year: 2000, Page(s):3441 - 3444 vol.5
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (156 KB)

    This paper studies the relation between r-passive systems and the H control problem, introduces the generalized properties of KYP (Kalman-Yacubovich-Popov), provides the possibility for solving V(x) and proves that a nonlinear control system with the generalized properties of KYP is globally asymptotically stable View full abstract»

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