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Computer

Issue 5 • May 1992

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Displaying Results 1 - 10 of 10
  • Distributed real-time control of a spatial robot juggler

    Publication Year: 1992, Page(s):12 - 24
    Cited by:  Papers (31)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1461 KB)

    The Yale spatial juggler and an emerging set of working principles for the design and implementation of embedded real-time distributed controllers are described. The robot uses a distributed network of transputers to process stereo camera data and control the torque of a three-degree-of-freedom arm to juggle a ball. The juggling algorithm is a direct extension of a novel class of nonlinear feedbac... View full abstract»

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  • A very high speed architecture for simulated annealing

    Publication Year: 1992, Page(s):27 - 36
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (947 KB)

    A class of scheduling problems that can be modeled by using very simple cost measures, namely, counting costs and distance-measure costs, is presented. These measures can be incorporated into a simulated annealing algorithm, providing a robust system for solving such scheduling problems. A special-purpose computer architecture that supports the simulated annealing of such problems is described. Th... View full abstract»

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  • SNAP: parallel processing applied to AI

    Publication Year: 1992, Page(s):39 - 49
    Cited by:  Papers (12)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1647 KB)

    It is argued that a viable solution for building future intelligent systems is to design special-purpose parallel computer architectures. The applications are restricted to those using semantic networks for knowledge representation. Reasoning on these networks is achieved with a marker-passing model of processing. The Semantic Network Array Processor (SNAP), a marker-passing parallel computer dedi... View full abstract»

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  • Touring Machines: autonomous agents with attitudes

    Publication Year: 1992, Page(s):51 - 55
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (523 KB)

    A multilayered integrated architecture for controlling autonomous mobile agents, or Touring Machines, is introduced. This architecture combines capabilities for producing a range of reactive and deliberative behaviors in dynamic, unpredictable domains. The approach is influenced by recent work on reactive and behavior-based agent architectures. Touring Machines blend sophisticated and simplified c... View full abstract»

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  • RCS: a reference model architecture for intelligent control

    Publication Year: 1992, Page(s):56 - 59
    Cited by:  Papers (23)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (658 KB)

    The real-time control system (RCS), a reference model architecture for intelligent real-time control systems, is described. It partitions the control problem into four basic elements: task decomposition, world modeling, sensory processing and value judgment. RCS clusters these elements into computational nodes that control specific subsystems, and arranges these nodes in hierarchical layers so tha... View full abstract»

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  • Using constraint propagation in blackboard systems: a flexible software architecture for reactive and distributed systems

    Publication Year: 1992, Page(s):60 - 62
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    Constraint propagation is explained, and the integration of problem-solving components is discussed. Validity and completeness results are considered, and the extension of constraint propagation to reactive and distributed systems using a blackboard architecture is addressed.<> View full abstract»

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  • Hardware to support runtime intelligence

    Publication Year: 1992, Page(s):63 - 66
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (595 KB)

    An associative memory system that is specialized to support the syntax and associated pattern-matching rules common to declarative expression is discussed. A coprocessor board based on an array of custom VLSI chips that combine both logic and memory is described. It is shown how this hardware supports a number of popular intelligent-system architectures. Application to querying a dynamic database ... View full abstract»

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  • Optimization of fuzzy logic inference architecture

    Publication Year: 1992, Page(s):67 - 71
    Cited by:  Papers (22)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1320 KB)

    A fuzzy logic controller architecture that is efficient in both performance and cost is proposed. Optimization of the fuzzy logic circuits is discussed. To speed up the inference process, the defuzzification operation is precomputed, and partial results are stored for runtime uses. Thus, larger memory is traded for better performance. The proposed architecture is less general than previous impleme... View full abstract»

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  • Optical computer architectures for supervised learning systems

    Publication Year: 1992, Page(s):72 - 75
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1543 KB)

    Why photonic systems are attractive for machine learning is discussed. Experimental results for two examples are given. One is a perceptron and the other is an associative memory.<> View full abstract»

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  • Functional-link net computing: theory, system architecture, and functionalities

    Publication Year: 1992, Page(s):76 - 79
    Cited by:  Papers (124)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1670 KB)

    A system architecture and a network computational approach compatible with the goal of devising a general-purpose artificial neural network computer are described. The functionalities of supervised learning and optimization are illustrated, and cluster analysis and associative recall are briefly mentioned.<> View full abstract»

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Aims & Scope

Computer, the flagship publication of the IEEE Computer Society, publishes peer-reviewed articles written for and by computer researchers and practitioners representing the full spectrum of computing and information technology, from hardware to software and from emerging research to new applications. 

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Meet Our Editors

Editor-in-Chief
Sumi Helal
Lancaster University
sumi.helal@computer.org