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Showing papers in "Automatica in 2000"


Journal ArticleDOI
TL;DR: This review focuses on model predictive control of constrained systems, both linear and nonlinear, and distill from an extensive literature essential principles that ensure stability to present a concise characterization of most of the model predictive controllers that have been proposed in the literature.

8,064 citations


Journal ArticleDOI
TL;DR: Current research on gain scheduling is clarifying customary practices as well as devising new approaches and methods for the design of nonlinear control systems.

1,621 citations


Journal ArticleDOI
TL;DR: This paper provides the first proof of stability of an extremum seeking feedback scheme by employing the tools of averaging and singular perturbation analysis and allows the plant to be a general nonlinear dynamic system whose reference-to-output equilibrium map has a maximum and whose equilibria are locally exponentially stabilizable.

1,222 citations


Journal ArticleDOI
TL;DR: This paper considers the application of a particular sliding mode observer to the problem of fault detection and isolation using the equivalent output injection concept to explicitly reconstruct fault signals.

1,141 citations


Journal ArticleDOI
TL;DR: Based on an interpolation formula, accurate state estimators for nonlinear systems can be derived that do not require derivative information and are simple to implement.

994 citations


Journal ArticleDOI
TL;DR: It is shown that the behavior critically depends on the ratio of the maximum acceleration of the pivot to the acceleration of gravity.

929 citations


Journal ArticleDOI
TL;DR: This paper considers problems related to stability or stabilizability of linear systems with parametric uncertainty, robust control, time-varying linear systems, nonlinear and hybrid systems, and stochastic optimal control.

785 citations


Journal ArticleDOI
TL;DR: A smooth and singularity-free adaptive controller is designed for a first-order plant and an extension is made to high-order nonlinear systems using neural network approximation and adaptive backstepping techniques, guaranteeing the uniform ultimate boundedness of the closed-loop adaptive systems.

671 citations


Journal ArticleDOI
TL;DR: In this paper, a nonlinear dynamic model for drumboilers is presented, which describes the complicated dynamics of the drum, downcomer, and riser components, and describes the behavior of the system over a wide operating range.

532 citations


Journal ArticleDOI
TL;DR: It is shown that, within the framework of the quadratic-criterion-based ILC (Q-ILC), various practical issues such as constraints, disturbances, measurement noises, and model errors can be considered in a rigorous and systematic manner.

451 citations



Journal ArticleDOI
TL;DR: The objective is to design a robust nonlinear state and output feedback law which simultaneously solves the global exponential regulation problem for all plants in the class and efficiency and robust features of the method proposed are proposed.

Journal ArticleDOI
TL;DR: A new model predictive controller (MPC) is developed for polytopic linear parameter varying (LPV) systems that allows the inclusion of the first move u(k|k) separately from the rest of the control moves governed by a feedback law and is shown to reduce conservatism and improve feasibility characteristics with respect to input and output constraints.

Journal ArticleDOI
TL;DR: This paper describes an application of nonlinear decentralized robust control (Guo, Jiang & Hill, 1998) to large-scale power systems and uses nonlinear bounds of generator interconnections to achieve less-conservative control gains.

Journal ArticleDOI
TL;DR: New fault detection algorithms are described and analyzed, based on recent stochastic subspace-based identification methods and the statistical local approach to the design of detection algorithms.

Journal ArticleDOI
TL;DR: Simulation results are given to show that the VS controllers proposed in the paper are quadratically stable and chatter free.

Journal ArticleDOI
TL;DR: This article proposes an infinite-dimensional state-space realization for linear filters with transfer function C"d(s)@?C"0((1+s/@w"b)/(1-s/ @w"h))^d, where 0<@w"-b<@ w"h and 0.

Journal ArticleDOI
TL;DR: A proposed control framework for integrating factory control and equipment scheduling, supervisory control, feedback control, statistical process control, and fault detection/diagnosis in microelectronics manufacturing is presented and discussed.

Journal ArticleDOI
TL;DR: The MOESP class of identification algorithms are made recursive on the basis of various updating schemes for subspace tracking.

Journal ArticleDOI
TL;DR: The behaviour of linear conditioning schemes is interpreted in terms of a single transfer function M(s), which facilitates the understanding and comparison of conditioning schemes, but also leads to a new framework for conditioning design.

Journal ArticleDOI
TL;DR: A method for bumpless transfer using ideas from LQ theory is presented and shown to reduce to the Hanus conditioning scheme under certain conditions.

Journal ArticleDOI
TL;DR: It is proved that a back-stepping approach leading to a linear boundary feedback which ''naturally'' depends in addition, on the angular velocity of the cable, produces uniform exponential stability.

Journal ArticleDOI
TL;DR: By virtue of using the simplest structure of fuzzy logic control, the stability of the nonlinear control system can be analyzed and a sufficient BIBO stability condition is given.

Journal ArticleDOI
TL;DR: A modified Smith predictor strategy is extended, which leads to significant improvements in its regulatory capacities for reference inputs and disturbances, and the proposed controller design method is compared with previously published approaches both for the setpoint response and for the load disturbance rejection.

Journal ArticleDOI
TL;DR: This survey paper is to present a complete and clear picture on time-invariant representations for discrete-time periodic systems around the concept of periodic transfer function.

Journal ArticleDOI
TL;DR: Bounded feedback control laws are designed for stabilization and tracking of underactuated spacecraft and the flat outputs are computed and are used to generate reference trajectories for the tracking problem.

Journal ArticleDOI
TL;DR: This paper addresses the problem of designing robust output tracking controls for a class of nonlinear MIMO systems that are represented by input-output models involving plant uncertainties and external disturbances by developing hybrid adaptive-robust tracking control schemes based upon a combination of the H~ tracking theory, VSS control algorithm, and fuzzy control design.

Journal ArticleDOI
TL;DR: It is shown that these systems are exponentially stable, and that the plug-flow reactor model is observable when the component concentrations are measured at the reactor output and observable with respect to its physical domain when only the product concentration is measured.

Journal ArticleDOI
TL;DR: Interpolation methods for gain scheduled controllers for nonlinear plants often requires that a parameter-varying controller be generated from a finite set of linear time-invariant controllers with the property that stability of the linearized closed-loop system is preserved for all values of the scheduling parameter.

Journal ArticleDOI
TL;DR: Output feedback controllers for disturbance attenuation of linear systems with constraints on inputs are studied and sufficient conditions for finding appropriate nonlinear control laws are expressed in terms of a convex search.