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Proceedings ISAD 93: International Symposium on Autonomous Decentralized Systems

March 30 1993-April 1 1993

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Displaying Results 1 - 25 of 57
  • The high performance computing and communications initiative in the US

    Publication Year: 1993
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (38 KB)

    Summary form only given, as follows. In the future, people will collaborate in real time and share virtual reality environments. In addition, very large databases will be monitored by knowbots with sufficient intelligence to present meaningful information as moving objects in an interactive environment. The high performance computing and communications initiative (HPCC) was started to support rese... View full abstract»

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  • Proceedings ISADS 93. International Symposium on Autonomous Decentralized Systems (Cat. No.93TH0502-5)

    Publication Year: 1993
    Request permission for commercial reuse | PDF file iconPDF (111 KB)
    Freely Available from IEEE
  • A requirements language for autonomous decentralized systems development

    Publication Year: 1993, Page(s):115 - 121
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (792 KB)

    A framework for developing autonomous decentralized systems (ADSs) using a frame-and-rule oriented requirements language (FRORL), is presented. FRORL is a logic-based requirements specification language and serves multiple roles for specifying users' requirements, for representing development knowledge, and for knowledge communications among decentralized autonomous agents. Using the machinery of ... View full abstract»

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  • Recursive distributed programming schemes

    Publication Year: 1993, Page(s):122 - 128
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    Distributed recursive waves, a distributed programming scheme based on a procedure that calls n (or none) concurrent executions of itself, is defined. Three kinds of recursive waves (sequential, based on a tree, based on a flooding) and the example of a distributed recursive termination, respectively, are presented. Distributed recursive programming provides a natural style for writing di... View full abstract»

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  • Structuring DRB computing stations in highly decentralized LAN systems

    Publication Year: 1993, Page(s):305 - 314
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (784 KB)

    The use of highly decentralized (HD) easily expandable LAN system architectures, especially architectures that incorporate the data field scheme developed by K. Mori et al. (1986) for interprocess communication is examined. Major design parameters to be considered in choosing efficient distributed recovery block (DRB) station structures for different LAN systems are discussed. Three different basi... View full abstract»

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  • Autonomous decentralized system with self-organizing function and its application to generation of locomotive patterns

    Publication Year: 1993, Page(s):130 - 136
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (500 KB)

    The authors consider a synthesis approach to autonomous decentralized systems in which the functional order of the entire system is generated by cooperative interaction among its subsystems, each of which has the autonomy to control a part of the state of the system, and its application to pattern generators of animal locomotion. Biological locomotive rhythms, their generators, and gait patterns o... View full abstract»

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  • Task decomposition in dynamic agent societies

    Publication Year: 1993, Page(s):165 - 171
    Cited by:  Papers (2)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (660 KB)

    A framework for task decomposition in dynamic societies of autonomous agents is presented. A general model of task decomposition in multiagent systems is introduced. Then, starting from the contract net model for task decomposition and allocation, two stages of higher decentralization are developed: the decentralized task decomposition and the completely decentralized model. These models provide g... View full abstract»

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  • Design of social matching algorithms for distributed and autonomous environments

    Publication Year: 1993, Page(s):345 - 351
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (436 KB)

    The authors discuss the design of distributed and autonomous algorithms for producing social matching such as dancing pairs from groups of boys and girls, roommates for a boy dormitory, and job placement in the employment market in message-exchange network environments. The matching process must preserve personal privacy, stability of matching, preference-based autonomous behavior, and conformabil... View full abstract»

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  • Japan's contribution to the world through science and technology

    Publication Year: 1993, Page(s):2 - 8
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    It is argued that as a technological superpower committed to peace, Japan should play a more positive role for the good of humanity. Japan's postwar experience of converting military industry to civilian production and thus gaining international competitiveness, for example, could help nations facing large-scale arms reduction. Japan's development of clean automotive engines that greatly reduced a... View full abstract»

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  • Concept of friendly autonomous decentralized system for next generation train traffic control

    Publication Year: 1993, Page(s):316 - 322
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (576 KB)

    The friendly autonomous decentralized system (FADS) is proposed as a next generation railway system. It uses a concept based on a biological analogy to perform actions flexibly and speedily. The FADS is defined by three characteristics: the structure of the autonomous unit, the function of each unit, and the cooperation between units. The production (train control) department, the sales department... View full abstract»

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  • A hybrid architecture for mobile robots based on decentralized, parallel path planning

    Publication Year: 1993, Page(s):206 - 214
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    A hybrid model that takes advantage of decentralization and parallelism is presented. It uses a decentralized massively parallel solution to the general path planning problem in the presence of obstacles. It is based on a cellular automaton, wavefront propagation model. Its applicability in planning the motion of autonomous robots is shown. The case study demonstrates the practical feasibility of ... View full abstract»

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  • Hi-Cell architecture and the project model for manufacturing ADS

    Publication Year: 1993, Page(s):398 - 405
    Cited by:  Papers (8)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (668 KB)

    An automation system architecture for implementing autonomous decentralized systems (ADSs) called Hi-Cell is described. A project model of human organization featuring activities such as teaming is proposed as an analog for Hi-Cell behavior. Familiar team behaviors such as task allocation, learning, and cooperation are explored in the automation domain View full abstract»

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  • A framework for the development of object-oriented distributed systems

    Publication Year: 1993, Page(s):44 - 51
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    A framework for the development of distributed object-oriented systems in heterogeneous environments is presented. This model attempts to incorporate concepts of distributed computing technology together with software engineering methods. A tool has been developed to enforce the model by means of a high-level specification language and an automatic code generator. However, it is emphasized that th... View full abstract»

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  • QoS management of ODP-based distributed multimedia applications

    Publication Year: 1993, Page(s):239 - 245
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (580 KB)

    The objective of this study is to try to answer the question of how to manage quality of service (QoS) in open-distributed processing (ODP)-based distributed multimedia applications. To reach this goal, an overview of the basic characteristics of distributed multimedia applications is given. Their QoS constraints are then specified in the ODP framework of abstraction. The role and the position of ... View full abstract»

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  • Acquaintance relations in autonomous agent societies

    Publication Year: 1993, Page(s):151 - 157
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    Interactions in multiagent systems; a class of autonomous distributed systems, are considered. Autonomy in such settings implies rational actions in unforeseen surroundings where one system may have to interact with a varying number and various types of systems at different times. In order to adapt adequately and effectively to new situations, a system should dynamically become knowledgeable of a ... View full abstract»

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  • A distributed look-ahead algorithm for scheduling interdependent tasks

    Publication Year: 1993, Page(s):190 - 197
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (684 KB)

    Autonomous decentralized systems, which concurrently work on different types of jobs consisting of interdependent tasks (steps), are considered. A dynamic decentralized look-ahead scheduling algorithm and a cooperation protocol are proposed. The goal is to utilize information about the internal job structure concerning future service requirements and system state information for dynamically arrang... View full abstract»

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  • Decentralized monitoring and diagnosis of manufacturing processes

    Publication Year: 1993, Page(s):384 - 389
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    A decentralized control method that augments Boolean logic control to provide greatly enhanced diagnostics and monitoring of systems with discrete-valued sensors and actuators is described. Unlike conventional Boolean logic, where logic is associated with the actuators, a behavior and timing model is described for both sensors and actuators, called control elements (CEs). The behavior model is def... View full abstract»

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  • A proposal for a conveyance system with autonomous decentralized micro modules

    Publication Year: 1993, Page(s):137 - 142
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (384 KB)

    A conveyance system based on the concept of distributed micromotion systems (DMMSs) fabricated by IC-compatible micromachining processes is proposed. The DMMS consists of many smart modules which have microsensors, microactuators, and controllers. Each module has primary autonomy to determine its motion based on information from surrounding modules. Information processing in DMMS is similar to tha... View full abstract»

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  • A timeliness model for asychronous decentralized computer systems

    Publication Year: 1993, Page(s):173 - 182
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (864 KB)

    The benefit accrual model, a framework for specifying, attaining, and evaluating timeliness, is presented. It generalizes the traditional special cases of deadlines as time constraints and unanimous optimum as the scheduling criterion. Consequently, this framework scales to encompass nondeterministic asynchronous decentralized systems View full abstract»

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  • An economy for managing replicated data in autonomous decentralized systems

    Publication Year: 1993, Page(s):367 - 375
    Cited by:  Papers (11)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (676 KB)

    A new approach to performing resource allocation in autonomous distributed computer systems is explored. As opposed to previous work which is based on interprocessor cooperation, the distributed system is modeled as a competitive society of microeconomic agents. The model is applied to the problem of managing distributed, replicated data objects. In this economy, jobs and transactions submitting r... View full abstract»

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  • Overhead reduction in distributed simulation

    Publication Year: 1993, Page(s):352 - 358
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (524 KB)

    Optimistic distributed discrete-event simulation incurs significant memory overhead because it stores state vectors with each processed but uncommitted message. The authors propose an application-independent scheme that substantially reduces this overhead, while also improving the simulation performance. Global control in optimistic simulation is replaced by local conservative control, and the con... View full abstract»

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  • Randomized coordination in an autonomous decentralized system

    Publication Year: 1993, Page(s):77 - 82
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    The performance of a randomized coordination mechanism for resource access in an autonomous decentralized system is investigated. Given n users and r resources, each user decides to access a resource with probability α, and each resource is selected with equal likelihood. The goal is to select α so that mutually conflicting decisions, where multiple users try to acces... View full abstract»

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  • Inherent fault tolerance in decentralized process-control systems

    Publication Year: 1993, Page(s):267 - 274
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (644 KB)

    It is desirable to use redundant components to minimize the time required to accomplish a mission while at the same time ensuring that the mission will be completed in spite of failures. This characteristic is a fundamental requirement of the inherent fault tolerance approach. The authors first define inherently fault tolerant (IFT) programs and then review some theoretical aspects, namely, the co... View full abstract»

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  • Using traders for autonomous service provision in intelligent networks

    Publication Year: 1993, Page(s):93 - 99
    Cited by:  Papers (1)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (628 KB)

    The evolution of the telecommunications environment toward an open distributed processing system, influenced by the recent developments in the framework of open distributed processing (ODP) and intelligent networks (INs), is addressed. The trader is a component for solving autonomy issues, since entities/objects which register for cooperation with other entities at the trader are limiting their au... View full abstract»

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  • Immune networks for cement plants

    Publication Year: 1993, Page(s):282 - 288
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    Taking inspiration from the immune system mechanism, an application which identifies faulty sensors in the firing section of a cement plant by mutual recognition is presented. Some improvements of existing algorithms are described. Results using simulated data are reported and discussed View full abstract»

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