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IEEE International Conference on automation, Quality and Testing, Robotics, AQTR

作者： T. Colosi M. Abrudean M.L. Unguresan Faculty of Automation and Computer Science Technical University of Cluj Napoca Romania Faculty of Materials Science and Engineering Department of Chemistry Technical University of Cluj Napoca Romania

The paper presents a possible version of systemic approach to model and simulate linear, time invariant processes, highlighting the unitary and systematized character of the procedure. The results can be extended for ... 详细信息

关键词： Taylor series Approximation methods Calculus Computational modeling Vectors Mathematical model Equations

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From industrial robotics towards intelligent robotic systems

From industrial robotics towards intelligent robotic systems

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International IEEE Conference on Intelligent Systems, IS

作者： A.M. Stanescu A. Nita M.A. Moisescu I.S. Sacala Automation and Computer Science Faculty University Politehnica of Bucharest Romania Mathematics Department University Politehnica of Bucharest Romania

The advanced research in robotics scientific discipline has produced a paradigm shift from the classical robot manipulator used only in industrial environment to the modern mobile robot viewed as an every day life ldquopartnerrdquo. This first objective of this paper is to offer a short but comprehensive history of the paradigm shifts that triggered the industrial robotics research advancements. The short list of paradigm shifts that are to be discussed include: computer integrated manufacturing and engineering systems (C.I.M.E. - 1976), flexible manufacturing systems (FMS - psila80), lean manufacturing (psila90), agile manufacturing, fractal and/or holonic manufacturing systems (psila90), intelligent manufacturing systems (2000). The second objective is to discuss generic design principles and architecture guidelines for the development of a complex robotic system. These include collaborative robotics, artificial intelligence, human-robot interaction, multi-agent systems, service oriented architecture.

关键词： Intelligent robots Service robots Intelligent systems Mobile robots Flexible manufacturing systems Manipulators History Manufacturing industries computer integrated manufacturing Systems engineering and theory

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Skeletonize multi width ribbon-like shapes based on difference images and frenet frame

Skeletonize multi width ribbon-like shapes based on differen...

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IEEE International Conference on Systems, Man and Cybernetics

作者： Z. W. Liao Z. S. Wang S. X. Hu Faculty of Computer Science Sichuan Normal University Chengdu China School of Automation Engineering University of Electronic Science and Technology Chengdu China

In this paper, we propose a novel skeletonize method for multi width ribbon-like shapes. The two difference images with vertical and horizontal directions respectively are computed to locate the singularities of the original image. Then the gradient directions of these singularity points are computed. The skeletonization can be obtained by finding the centers of via pair wise singularity points using their gradient directions. The most attracting nature of this method is that it can handle multi width shapes, which is very difficult in conventional methods. The experimental results show that our method is a ldquogoodrdquo method closing to human conception.

关键词： Shape Skeleton Humans Noise shaping Pattern recognition Optical character recognition software computer science automation Image analysis Image segmentation

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A directional detector for edge based on difference images

A directional detector for edge based on difference images

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IEEE International Conference on Systems, Man and Cybernetics

作者： S. X. Hu Z. S. Wang Z. W. Liao School of Automation Engineering University of Electronic Science and Technology Chengdu China Faculty of Computer Science Sichuan Normal University Chengdu China

In this paper, we propose a novel method for edge detection based on difference images. In order to increase the ability of difference images in direction detection, we propose a maximum modulus technique, whose singularities are located both by the gray differences and maximum gradient directions. That is, the singularities are located along the gradient directions with maximum difference modulus. The whole framework both on theory and application is given in this paper. Experiments show that the new technique has very good visual behaves.

关键词： Image edge detection Detectors Filters Filtering computer science Noise reduction Image converters automation Application software computer vision

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Applying knowledge engineering methods to didactic knowledge first steps towards an ultimate goal

Applying knowledge engineering methods to didactic knowledge...

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International Joint Conference on Neural Networks (IJCNN)

作者： Rainer Knauf Yoshitaka Sakurai Setsuo Tsuruta Faculty of Computer Science and Automation University of Ilmenau Ilmenau Germany School of Information Enviroment Tokyo Denki University Japan

Generally, learning systems suffer from a lack of an explicit and adaptable didactic design. Since E-Learning systems are digital by their very nature, their introduction rises the issue of modeling the didactic design in a way that implies the chance to apply Knowledge Engineering Techniques (like Machine Learning and Data Mining). A modeling approach called storyboarding, is outlined here. Storyboarding is setting the stage to apply Knowledge Engineering Technologies to verify and validate the didactics behind a learning process. Moreover, didactics can be refined according to revealed weaknesses and proven excellence and successful didactic patterns can be inductively inferred by analyzing the particular knowledge processing and its alleged contribution to learning success.

关键词： Color Materials Knowledge engineering Joints Electronic learning Art Electronic mail

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Distributed databases and peer-to-peer databases: Past and present

Distributed databases and peer-to-peer databases: Past and p...

引用

作者： Bonifati, Angela Chrysanthis, Panos K. Ouksel, Aris M. Sattler, Kai-Uwe Icar CNR Italian National Research Council Via P. Bucci 41C I-87036 Rende Italy Computer Science Dept. University of Pittsburgh Pittsburgh PA 15260 United States Dept. of Information and Decision Sciences University of Illinois at Chicago Chicago IL 60607-7124 United States Faculty of Computer Science and Automation TU Ilmenau D-98684 Ilmenau Germany

The need for large-scale data sharing between autonomous and possibly heterogeneous decentralized systems on the Web gave rise to the concept of P2P database systems. Decentralized databases are, however, not new. Whereas a definition for a P2P database system can be readily provided, a comparison with the more established decentralized models, commonly referred to as distributed, federated and multi-databases, is more likely to provide a better insight to this new P2P data management technology. Thus, in the paper, by distinguishing between db-centric and P2P-centric features, we examine features common to these database systems as well as other ad-hoc features that solely characterize P2P databases. We also provide a non-exhaustive taxonomy of the most prominent research efforts toward the realization of full-fledged P2P databases.

关键词： Database systems

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Adaptive observer based actuator fault diagnosis for ASV

Adaptive observer based actuator fault diagnosis for ASV

引用

3rd International Conference on Innovative Computing Information and Control, ICICIC'08

作者： Wang, Jianfei Jiang, Bin Shi, Peng Wang, Hankang College of Automation Engineering Nanjing University of Aeronautics and Astronautics Nanjing 210016 China Faculty of Advanced Technology University of Glamorgan Pontypridd CF37 1DL United Kingdom Department of Computer Science VII: Robotics and Telematics Universtity of Würzburg 97074 Würzburg Germany

ISBN: (纸本)9780769531618

This paper deals with the actuator fault diagnosis and accommodation problem for the aero space vehicle (ASV). A novel nonlinear robust adaptive observer is developed for estimation of the actuator fault under the lipschitz condition on the nonlinear part of such systems, which is used to continuously accommodate the control signal, so as to ensure the stability of faulty system. Finally, simulation results about ASV are presented to illustrate the feasibility and effectiveness of the proposed methods. © 2008 IEEE.

关键词： Fault detection

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Characteristics comparison of motion controllers through experiments

引用

Journal of Institute of Control, Robotics and Systems 2008年第11期14卷 1094-1102页

作者： Jung, Seung Hyun Wang, Jun Han, Chang Wook Park, Jung-Il Automation Technology Senior Researcher Korea Textile Machinery Research Institute Gyeongsan Korea Republic of School of Electronic Engineering University of Electronic Science and Technology of China China School of Electrical Engineering and Computer Science Yeungnam University Korea Republic of Faculty of the School of Electrical Engineering and Computer Science Yeungnam University Korea Republic of

Through the motion control experiment using Industrial Emulator(Model 220 by ECP), the performance comparison of three kinds of controllers such as PID, RIC and LQR was carried out. It was shown that RIC has the best performance in the presence of disturbances such as step one, sinusoidal one and Coulomb friction for the rigid body. LQR using feedback state variables has the best tracking performance for the flexible body. The performance of PID controller is low compared to other controllers, but the design process is simple. The most advanced controller is LQR. In order to attenuate disturbance, an additional state observer should be used to estimate it, making more complex control system. RIC lies between PID and LQR in view of complexity of design. Even though RIC is not complicated, it has good disturbance rejection ability and less tracking error. By considering these aspects, the RIC is suggested as high precision controller to be used in motion control system.

关键词： Disturbance rejection

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Approximate Knowledge Mass and Extended automation Reasoning System in Type II Topological Logic

Approximate Knowledge Mass and Extended Automation Reasoning...

引用

International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

作者： Yalin Zheng Guang Yang Jing Zheng Peican Huang State Key Laboratory for Intelligent Technology and Systems Department of Automation Faculty of Information Science and Technology Tsinghua University Beijing China Research Center of Intelligent Information Technology Department of Computer Science and Technology Faculty of Software Dongguan University of Science and Technology Dongguan China Research Center of Dongguan Economy Department of Economy and Commerce Dongguan University of Science and Technology Dongguan China Research Center of Intelligent Information Technology Department of Computer Science and Technology Faculty of Software Dongguan University of Science and Technology Dongguan China

This paper introduces and investigate the type II true level k knowledge circle, extended type II knowledge base, extended type II automatic reasoning system and the level (k,j) perfectness of extended type II knowled... 详细信息

关键词： automation Automatic logic units Fuzzy logic Fuzzy systems Information technology computer science Laboratories Intelligent systems Information science Business

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Pointwise Logic on Completely Distributive Lattices and Approximate Reasoning

Pointwise Logic on Completely Distributive Lattices and Appr...

引用

International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

作者： Yalin Zheng Guang Yang Jing Zheng Jinsheng Xing State Key Laboratory for Intelligent Technology and Systems Department of Automation Faculty of Information Science and Technology Tsinghua University Beijing China Research Center of Intelligent Information Technology Department of Computer Science and Technology Faculty of Software Dongguan University of Science and Technology Dongguan China Research Center of Dongguan Economy Department of Economy and Commerce Dongguan University of Science and Technology Dongguan China Faculty of Mathematics and Computer Science Shanxi Normal University Linfen China Research Center of System Engineering Faculty of Electronic and Information Engineering Xi'an Jiaotong University Xi'an China

In this paper, we propose the basic framework of point- wise topological logic on completely distributive lattices and explore approximate reasoning in it. The logic of this paper is based on pointwise characterization, therefore the pointwise conception is pervasive. We explore approximate reasoning in abstract logical framework Fl on completely distributive lattice L. We propose the structure of point- wise topological logic F TL , the structure of matching function sigma. and the structure of matching neighborhood group. We investigate approximate reasoning in pointwise topological logic F TL with matching function sigma, develop pointwise topological algorithm of simple approximate reasoning, introduce the essential characteristics of this scheme.

关键词： Lattices Fuzzy logic computer science Knowledge engineering Fuzzy systems Information technology Laboratories Intelligent systems automation Information science

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