Showing papers in "IFAC Proceedings Volumes in 1995"

TL;DR: This paper gives an overview of different techniques for solving the dual control problem and the optimal solution can quite straightforwardly be characterized.

TL;DR: In this article, a model-based dynamic positioning (DP) controller is proposed, where a new modified LQG feedback controller and a model reference feedforward controller are applied.

TL;DR: In this paper, a Lyapunov-based projection operator for stable maneuver regulation for feedback linearizable nonlinear systems is derived using a simplified model of an experimental flight control apparatus.

TL;DR: In this paper, the authors give the state-of-the-art in robust fault diagnosis, based principally on residual generation, and some of the key challenges and potential for future directions in the research are drawn up.

TL;DR: A novel two-stage vehicle detection and recognition algorithm is detailed by combining an image processing region of interest (ROI) designator to cue a secondary recognition process implemented using principal component analysis (PCA) as input to a Multi-Layered Perceptron (MLP) classifier.

TL;DR: In this article, the authors present a consistent, geometric notion of homogeneity, for vector fields (differential equations and control systems), functions, differential forms and endomorphisms, which is an intrinsic, geometric property.

TL;DR: A survey of recent results in geometric mechanics, focusing on the relationships between geometric phases, controllability, and curvature, and the role of trajectory generation in nonlinear controller synthesis is presented.

TL;DR: In this paper, a new geometric approach is proposed to stabilize spin-axis stabilization of a spacecraft with only two control torques on the unactuated axis, whose state is defined on the sphere.

TL;DR: In this paper, the authors give a sequential control construction based on invariant manifolds and present several control design possibilities for discontinuous controllers and underline their intrinsic aspects and their main properties.

TL;DR: In this paper, a characterisation of ISS-stability is shown to generalize without change to the case of stability with respect to sets, and some results on ISS stability are mentioned as well.

TL;DR: In this article, a class of nonlinear systems expressed by nonlinear differential equations with uncertain parameters is investigated, and variable-structure control in sliding mode is designed with respect to an auxiliary variable.

TL;DR: In this article, an off-line parallel extended Kalman filter (EKF) algorithm was proposed to estimate the parameters in the ship model, using two measurement series in parallel to evaluate the convergence and robustness of the proposed parameter estimator.

TL;DR: In this article, a survey of planetary rover activities since the sixties is given in particular, requirements and technical approaches of actual small rover missions to Mars are discussed The design of the actual Nasa Mars microrover MFEX and the Russian Marsokhod are reviewed In more detail the system and control concepts for the MARSNET mission of the European Space Agency (ESA) will be presented and discussed

TL;DR: In this article, the authors synthesize data from the laboratory, from pilot surveys and from accident and incident analysis, to identify five problem areas in flight deck automation, related to overtrust (complacency), mistrust, workload, situation awareness and perceived control.

TL;DR: In this article, the principles and structure of a wind turbine emulator (WTE) are described, which is a versatile system specially designed for the purpose of developing and testing new control strategies for wind energy conversion systems.

TL;DR: The interaction between nonlinear control and optimization is explored, particular attention being given to model predictive control of constrained systems, linear and nonlinear.

TL;DR: A fuzzy controller based on the linguistic description of comfort demands is applied in the upper layer of an automated vehicle longitudinal velocity and distance controller and results are shown for highway traffic as well as for stop-go traffic on highway congestions.

TL;DR: In this article, a hierarchical intelligent control system consisting of an expert system and a hybrid system based on genetic algorithms and neural networks was proposed for the optimization of long-term plant growth in hydroponics.

TL;DR: In this article, a new generic optimal controller structure and regulator design method is introduced, avoiding the solution of polynomial equations, and model sensitivity properties of some combined identification and control schemes are investigated.

TL;DR: For linear systems with distributed delays, sufficient conditions for the stability and asymptotic stability independent of the matrix valued weight function on the delayed state were given in this article, in the form of the existence of some positive definite matrix functions satisfying certain Riccati-type differential equations.

TL;DR: This paper analyses various phenomena and problems observed in experiments in behavioural cloning in several domains: piloting, driving a container crane, production scheduling and pole-balancing and derives some elements of an emerging methodology for behavioural cloning.

TL;DR: Two different systems have been used with the vehicle; an external optical measurement device, tachymeter, and different combinations of DGPS, and a real guarding application will be discussed in the paper.

TL;DR: In this article, a behavioral approach to dynamical systems that can be described by algebraic differential equations and inequalities is presented, without reference to input-output maps or relations, and with no reference to state variables.

TL;DR: A novel approach to efficiently compute nonlinearity measures based on convex optimization is demonstrated, which illustrates the theory and demonstrates the complexity of the computations involved.

TL;DR: A brief account of the methods being developed by reinforcement learning researchers is provided, what is novel about them, and what their advantages might be over classical applications of dynamic programming to large-scale stochastic optimal control problems are suggested.

TL;DR: In this article, the authors present an expert system that schedules each of a newsprint mill's control loops for analysis, directs the sampling of data, verifies the validity of the data, and quantifies the loop's performance using a normalized performance index.

TL;DR: In this paper, the problem of stabilization of nonholonomic systems is addressed and solved from a completely new point of view by applying a singular coordinates transformation to the given system In the transformed space the stabilization problem is trivially solvable Applying the inverse transformation yields a discontinuous controller, whose properties and performance are studied in detail.

TL;DR: In this paper, different vector control methods (Field Oriented Control - FOC, Field Acceleration Method - FAM, Universal Field Orientation - UFO, Direct Self Control - DSC and Takahashi Method among others) have been proposed.

TL;DR: In this paper, it is shown that both dynamic feedback linearization and input-output linearization are applicable to induction motor control and a comparison of the two is made The particular effectiveness of the input output linearization controller is demonstrated with experimental results.

TL;DR: It will be argued that combining proprioceptive feedback and 3D-perception is a need for good telemanipulation and for telepresence.