Xem 1-20 trên 142 kết quả manipulation systems
  • The term ‘cooperative system’ is generally understood as several coordinated participants simultaneously engaged in the execution of a given task. In robotics, for example, the term cooperative system is understood as a manipulation system (Figure 1). The cooperation participants and the object may be either rigid or elastic. Rigid cooperators and objects are those that undergo deformation at an infinite load.

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  • The interest in robotics has been steadily increasing during the last decades. This concern has directly impacted the development of the novel theoretical research areas and products. Some of the fundamental issues that have emerged in serial and especially parallel robotics manipulators are kinematics & dynamics modeling, optimization, control algorithms and design strategies. In this new book, we have highlighted the latest topics about the serial and parallel robotic manipulators in the sections of kinematics & dynamics, control and optimization.

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  • The need for complete network security has never been greater nor as well understood. Malicious users threaten to steal, manipulate, and impede information. Numerous solutions address perimeter defense, but the greatest threat of information theft and unauthorized access remains within the internal network boundaries. One point of concern is the relative ease of physical and logical access to a corporate network. Both physical and logical access has been extended to enable a greater level of mobility, providing several benefits to business operations and overall productivity.

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  • Robot Manipulator Control offers a complete survey of control systems for serial-link robot arms and acknowledges how robotic device performance hinges upon a well-developed control system. Containing over 750 essential equations, this thoroughly up-to-date Second Edition, the book explicates theoretical and mathematical requisites for controls design and summarizes current techniques in computer simulation and implementation of controllers. It also addresses procedures and issues in computed-torque, robust, adaptive, neural network, and force control.

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  • In this book chapter a comparative assessment of modelling and control of mechanical manipulator is considered. First, kinematic and dynamic modelling of wide range mechanical manipulators comprising flexible link, flexible joint and mobile manipulators considered. Then, open-loop optimal control problem is formulated to control of obtained system. Finally, some applications of method including motion planning maximum payload determination are illustrated through the computer simulations.

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  • A data model is an integrated collection of concepts for describing and manipulating data, relationships between data, and constraints on the data in an organization. • A model is a representation of “real world” objects and events, and their associations. It is an abstraction that concentrates on the essential, inherent aspects of an organization and ignores accidental properties. • A data model must provide the basic concepts and notations that will allow database designers and end-users unambiguously and accurately to communicate their understanding of the organizational data....

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  • Genetic Algorithms K.F. Man, K.S. Tang and S. Kwong Neural Networks for Modelling and Control of Dynamic Systems M. Nørgaard, O. Ravn, L.K. Hansen and N.K. Poulsen Modelling and Control of Robot Manipulators (2nd Edition) L. Sciavicco and B. Siciliano Fault Detection and Diagnosis in Industrial Systems L.H. Chiang, E.L. Russell and R.D. Braatz Soft Computing L. Fortuna, G. Rizzotto, M. Lavorgna, G. Nunnari, M.G. Xibilia and R. Caponetto Statistical Signal Processing T. Chonavel Discrete-time Stochastic Processes (2nd Edition) T. Söderström Parallel...

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  • Neural Network-Based Adaptive Controller Design of Robotic Manipulators with an Observer Fuchun Sun, Member, IEEE, Zengqi Sun, Senior Member, IEEE, and Peng-Yung Woo, Member, IEEE Abstract—A neural network (NN)-based adaptive controller with an observer is proposed in this paper for the trajectory tracking of robotic manipulators with unknown dynamics nonlinearities. It is assumed that the robotic manipulator has only joint angle position measurements.

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  • Module J - Implementing a database with Microsoft Access. Identify the steps necessary to implement the structure of a relational database using the data definition language provided by Microsoft Access, demonstrate how to use the data manipulation subsystem in Access to enter and change information in a database and how to query that information, explain the use of the application generation subsystem in Access to create reports and data entry screens.

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  • This paper describes recent progress on the TRIPS architecture for developing spoken-language dialogue systems. The interactive poster session will include demonstrations of two systems built using TRIPS: a computer purchasing assistant, and an object placement (and manipulation) task.

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  • Chapter Objectives: Specification of more general constraints via assertions, SQL facilities for defining views (virtual tables), various techniques for accessing and manipulating a database via programs in general-purpose languages (e.g., Java).

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  • After completing this chapter, students will be able to understand: Specification of more general constraints via assertions, SQL facilities for defining views (virtual tables), Various techniques for accessing and manipulating a database via programs in general purpose languages.

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  • This chapter discusses a programmer’s view of files and the file system. It describes fundamental file organizations, directory structures, operations on files and directories, and file sharing semantics, which specify the manner in which results of file manipulations performed by concurrent processes are visible to one another. Issues that compromise reliability of a file system are discussed. Fault tolerance using atomic actions and recovery using backups are described.

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  • The process model introduced in Chapter 4 assumed that a process was an executing program with a single thread of control. Many modern operating systems now provide features for a process to contain multiple threads of control. This chapter introduces many concepts associated with multithreaded computer systems and covers how to use Java to create and manipulate threads. We have found it especially useful to discuss how a Java thread maps to the thread model of the host operating system.

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  • The 'traditional' approach to building artificially intelligent systems, known as symbolic AI, suggests that intelligent behaviour can be generated in a system by giving that system a symbolic representation of its environment and its desired behaviour, and syntactically manipulating this representation. This chapter focus on the apotheosis of this tradition, in which these symbolic representations are logical formulae, and the syntactic manipulation corresponds to logical deduction, or theorem-proving.

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  • Social Engineering uses influence and persuasion to deceive people by convincing them that the social engineer is someone he is not, or by manipulation. As a result, the social engineer is able to take advantage of people to obtain information with or without the use of echnology.

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  • Operating Systems interpret user commands and instructions (like typing on the keyboard or clicking with the mouse) and send requests to the proper application or device. An OS not only provides a user interface (text or graphic) to access/organize/manipulate/store data, but can also provide security and multitasking capabilities. Generally the OS is made up of a few core files with additional files for extended functionality and backward capability.

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  • Welcome to the fascinating world of open source software that is Linux. In this book, I introduce you to the wonders of the Linux operating system, originally created as a labor of love by Linus Torvalds in the early 1990s. My goal is to initiate you into the rapidly growing ranks of Linux users and enthusiasts busily rewriting the rules for the operating system marketplace. If you’ve contemplated switching to Linux but find the prospect too forbidding, you can relax. If you can boil water or set your alarm clock, you, too, can become a Linux user. (No kidding!)...

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  • No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center.

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  • The Oracle server is an object-relational database management system . It provides an open, comprehensive, and integrated approach to information management. An Oracle server is combination of an Oracle database and an Oracle server instance.

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