Proceedings 2000 International Workshop on Autonomous Decentralized System (Cat. No.00EX449)

21-23 Sept. 2000

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  • 2000 International Workshop on Autonomous Decentralized System [front matter]

    Publication Year: 2000, Page(s):iii - viii
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    Freely Available from IEEE
  • Proceedings IEEE and ACM International Symposium on Augmented Reality (ISAR 2000)

    Publication Year: 2000
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    Freely Available from IEEE
  • Author index

    Publication Year: 2000, Page(s):240 - 241
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  • Application of autonomous decentralized system in the automatic system of traction substation

    Publication Year: 2000, Page(s):144 - 148
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (388 KB)

    The theory of ADS (Autonomous Decentralized system) has been applied in an automatic system of traction substation. Because of its characteristics of autonomy and decentralization, the control unit and the protection unit must be designed to run in the same environment of both hardware and software and CAN bus must also be taken as communication network. The division of data field is based on the ... View full abstract»

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  • Control strategy of symmetry compensation system of traction power supply system in phase

    Publication Year: 2000, Page(s):136 - 143
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (552 KB)

    The paper presents an analysis for the control strategy of symmetry compensation system (SCS) of traction power supply system in phase (TPSSIP). The theory of traction power supply system in phase and three study conditions are classified. The method that conforms the capacity of symmetry compensation system is outlined. The control strategy of SCS is validated by simulation program View full abstract»

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  • A distributed remote simulation system for electric power supply system of subway

    Publication Year: 2000, Page(s):132 - 135
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (304 KB)

    In this paper we present an approach to build up a simulation system for power supply system of subway on the World Wide Web based on a distributed processing architecture. There are several advantages to this approach. First of all, users can employ this tool through a Web browser without any investment in maintenance of expensive hard- and software at the client-side. Secondly, since multiple pr... View full abstract»

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  • The research of fuzzy predicting and its application in train's automatic control

    Publication Year: 2000, Page(s):82 - 86
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (252 KB)

    In this paper, a model of the automatic control of trains was researched. To research the problem, fuzzy control, predictive control and computer simulation technology were applied. The speed of the train and the comfort level were defined as evaluation functions, and the tactic used was rolling optimization View full abstract»

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  • Combining OPC with autonomous decentralized systems

    Publication Year: 2000, Page(s):126 - 129
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    Autonomous Decentralized System (ADS), which has the characteristics of on-line maintainability, on-line expandability and fault-tolerance, has been used successfully in many distributed computing domains. And OPC (OLE for Process Control), which provides us with a standard interface for process control with advantage of openness, interoperability, speed, efficiency, harmony, easy modification and... View full abstract»

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  • A study on personalized information recommending agents

    Publication Year: 2000, Page(s):28 - 33
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (440 KB)

    This paper proposes a service model, a business model and an agent model that are suitable for content-recommending (CR) services. CR services provide users with content that is distributed over networks without revealing what types of services individual users are interested in. These models facilitate the creation of various types of CR services easily and the sharing of users' preference keywor... View full abstract»

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  • Genetic-binary combinatorial algorithm for 0-1 integer programming

    Publication Year: 2000, Page(s):205 - 209
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (288 KB)

    Based on the analysis of a combinatorial algorithm of integer programming and a genetic algorithm, an improved algorithm will be found called a genetic-binary combinatorial algorithm. The key method of the genetic-binary combinatorial algorithm that is called the change-zero and add-one method is also introduced. An example is also given to demonstrate the correction of the new algorithm View full abstract»

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  • The method of developing Virtual Instrument Platform

    Publication Year: 2000, Page(s):64 - 67
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (304 KB)

    Using the concept of the autonomous decentralized systems (ADS) technique the paper describes the methods and technique for developing a virtual instrument platform. In the platform, the measurement system consists of the module instances and a link table that defines the exchange of data packages. The data exchange among the modules uses the data field concept. The modules outputting data only se... View full abstract»

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  • Expanding industrial designers' abilities for IT era

    Publication Year: 2000, Page(s):156 - 163
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (544 KB)

    The abilities of an industrial designer are said to be those of integrating sensibility, imagination, creativity, visualization, and coordination. This theory, has been analyzed based on some product design projects. These analyses have revealed that ideas are embodied after the verbal abstraction of images from little hints that occur in one's mind in everyday life, and that these ideas are embod... View full abstract»

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  • Analysis of the concurrent model of train station based on Petri net

    Publication Year: 2000, Page(s):92 - 96
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (228 KB)

    Petri nets are important instruments for modeling concurrent, distributed, asynchronous, parallel deterministic and non-deterministic systems. In this paper, we propose a concurrency analysis method for railway stations using Petri nets. By employing inter-current control analysis, the rail track flow of the railway station is simulated. This method also has an important function in improving the ... View full abstract»

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  • Autonomous integration of information services in heterogeneous FIF system

    Publication Year: 2000, Page(s):40 - 45
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    Information provision and utilization have become stringent application fields in information service systems like the Internet. Even though computing and telecommunications technologies are continuously improving, critical business applications foster an urgent need for high-assurance in information service systems. One solution has been proposed in the form of a distributed service replica netwo... View full abstract»

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  • Pole assignment of multirate digital control systems with decentralized structure

    Publication Year: 2000, Page(s):216 - 221
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (264 KB)

    Based on the lifting technique, the paper first proposes a linear time invariant state space description of multirate sampling digital control systems with decentralized structure. Pole assignment of the decentralized multirate sampling digital control system is then discussed. The constraints due to the non-classical information pattern of the decentralized structure and the casual condition due ... View full abstract»

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  • The revolution of railway system by using advanced information technology

    Publication Year: 2000, Page(s):74 - 80
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (584 KB)

    Introduces application examples of information technology as it is applied in several fields of the railway system, namely transportation and safety, service, maintenance and the Internet. This paper shows that safety, efficiency and convenience have been improved in the areas of railway use, operations and maintenance. This is followed by a section on a new train control system for high-density l... View full abstract»

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  • Task-oriented modelling of autonomous decentralised systems

    Publication Year: 2000, Page(s):172 - 179
    Cited by:  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (632 KB)

    An ongoing project of the Programme for Highly Dependable Systems (PHDS) at the University of the Witwatersrand is the development of a dependable decentralised system using readily available hardware and software components. An experimental system has been developed to support multiple-task applications with different levels of criticality. Fault-tolerant protocols are used to detect faults, to m... View full abstract»

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  • A high assurance on-board computer system for use on spacecraft

    Publication Year: 2000, Page(s):104 - 109
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (400 KB)

    A high-assurance on-board computer system that overcomes the weaknesses of conventional fault-tolerance technology is proposed. The system is designed so that its performance can be easily tested and verified. It is also designed to be flexible, which means that inexpensive and highly reliable on-board computers can be used not only now but also in the future, as the mission requirements change or... View full abstract»

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  • Multi-agent intelligent field terminals for autonomous decentralized water delivery control systems

    Publication Year: 2000, Page(s):116 - 125
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (896 KB)

    Through our research, we have developed a unique, autonomous decentralized system that can be used in the water control field. In conventional control systems, certain send-and-receive functions are installed in the front-end processor (FEP) of the master station according to various properties of the information arriving from field terminals (FTs). The host computer reacts by sending control data... View full abstract»

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  • Mobile agent based service provisioning in integrated networks

    Publication Year: 2000, Page(s):19 - 27
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (736 KB)

    Internet telephony transfers telephone calls over IP networks or the Internet. PSTN and Internet use different transmission methods. Media gateways convert signaling and media formats of telephony between PSTN and IP networks. Media gateways are used to enable PSTN users to call Internet telephony users and vice versa. Because services on media gateways can handle calls regarding both PSTN users a... View full abstract»

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  • Autonomous data consistency for cooperative applications to fairly ally the data in heterogeneous systems

    Publication Year: 2000, Page(s):196 - 204
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (736 KB)

    Different information systems have been integrated to respond quickly to changing user needs. Important requirements for the integration are not halting the entire system, not violating each system's mission, and deriving the synergetic effect. The data characteristics of each system are different in nature because each system has its original mission. Heterogeneous systems can be easily integrate... View full abstract»

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  • A data flow driven software architecture of open and distributed virtual instrument system

    Publication Year: 2000, Page(s):60 - 63
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (320 KB)

    To implement an open and distributed software architecture in a virtual instrument system, taking the example of the autonomous decentralized system concept, a data flow driven software architecture is proposed in this paper. This new approach can be mastered simply, run with high efficiency, and be expanded or extended easily. As network technology is developing rapidly and is applied more and mo... View full abstract»

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  • A distributed CHAM for cooperative mobile agents

    Publication Year: 2000, Page(s):8 - 11
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (248 KB)

    Mobile agents systems accomplish some set of tasks or achieve some set of goals through groups of cooperative agents. This paper is trying to formalize a cooperative autonomous mobile agents system and capture the dynamic character of agent group. We use distributed join-calculus as our basic framework and make the extension with a definition for teams. The chemical semantics is given. We also pre... View full abstract»

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  • Application of TSC in reactive compensation in traction substations

    Publication Year: 2000, Page(s):149 - 153
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (476 KB)

    This paper presents the parameter design of components of thyristor switched capacitor (TSC) compensation with step-down transformer under the restriction of reactive power balance, and also mentions the pattern of TSC cooperated with fixed capacitor banks. The design and simulation is fully automated by the visual CVI. According to the data measured on the spot, the operation of the selected sche... View full abstract»

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  • Autonomous Decentralized Traffic Management System

    Publication Year: 2000, Page(s):87 - 91
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (584 KB)

    The Autonomous Decentralized Traffic Management System is a completely renovated rail traffic control system, which is quite different from the conventional CTC (centralized traffic control)/PRC (programmed route control) type system. The features of the system are fully automatic route control for large-scale stations, a maintenance-work management system and an advanced man-machine system for di... View full abstract»

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