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  • 1
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    Robot Systems (1976)
    Springer Nature
    Details
    Publication Date: 1976-02-01
    Print ISSN: 0036-8733
    Electronic ISSN: 1946-7087
    Topics: Biology , Natural Sciences in General , Physics
    Published by Springer Nature
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    PAPER CURRENT
  • 2
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    A model of computation and representation in the brain (2010)
    Elsevier
    Details
    Publication Date: 2010-05-01
    Print ISSN: 0020-0255
    Electronic ISSN: 1872-6291
    Topics: Computer Science
    Published by Elsevier
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    PAPER CURRENT
  • 3
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    Computation of Impulse Conduction in Myelinated Fibers; Theoretical Basis of the Velocity-Diameter Relation (1968)
    Cell Press
    Details
    Publication Date: 1968-05-01
    Print ISSN: 0006-3495
    Electronic ISSN: 1542-0086
    Topics: Biology , Physics
    Published by Cell Press
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    PAPER CURRENT
  • 4
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    The NIST Real-Time Control System (RCS): A Reference Model Architecture for Computational Intelligence (1996)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The Real-time Control System (RCS) developed at NIST and elsewhere over the past two decades defines a reference model architecture for design and analysis of complex intelligent control systems. The RCS architecture consists of a hierarchically layered set of functional processing modules connected by a network of communication pathways. The primary distinguishing feature of the layers is the bandwidth of the control loops. The characteristic bandwidth of each level is determined by the spatial and temporal integration window of filters, the temporal frequency of signals and events, the spatial frequency of patterns, and the planning horizon and granularity of the planners that operate at each level. At each level, tasks are decomposed into sequential subtasks, to be performed by cooperating sets of subordinate agents. At each level, signals from sensors are filtered and correlated with spatial and temporal features that are relevant to the control function being implemented at that level.
    Keywords: Cybernetics
    Type: Computational Intelligence and Its Impact on Future High-Performance Engineering Systems; 23-41; NASA-CP-3323
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Intelligent robots for planetary exploration and construction (1992)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Robots capable of practical applications in planetary exploration and construction will require realtime sensory-interactive goal-directed control systems. A reference model architecture based on the NIST Real-time Control System (RCS) for real-time intelligent control systems is suggested. RCS partitions the control problem into four basic elements: behavior generation (or task decomposition), world modeling, sensory processing, and value judgment. It clusters these elements into computational nodes that have responsibility for specific subsystems, and arranges these nodes in hierarchical layers such that each layer has characteristic functionality and timing. Planetary exploration robots should have mobility systems that can safely maneuver over rough surfaces at high speeds. Walking machines and wheeled vehicles with dynamic suspensions are candidates. The technology of sensing and sensory processing has progressed to the point where real-time autonomous path planning and obstacle avoidance behavior is feasible. Map-based navigation systems will support long-range mobility goals and plans. Planetary construction robots must have high strength-to-weight ratios for lifting and positioning tools and materials in six degrees-of-freedom over large working volumes. A new generation of cable-suspended Stewart platform devices and inflatable structures are suggested for lifting and positioning materials and structures, as well as for excavation, grading, and manipulating a variety of tools and construction machinery.
    Keywords: MECHANICAL ENGINEERING
    Type: Arizona Univ., Proceedings of the Lunar Materials Technology Symposium; 15 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Outline for a theory of intelligence (1991)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: Intelligence is defined as that which produces successful behavior. Intelligence is assumed to result from natural selection. A model is proposed that integrates knowledge from research in both natural and artificial systems. The model consists of a hierarchical system architecture wherein: (1) control bandwidth decreases about an order of magnitude at each higher level, (2) perceptual resolution of spatial and temporal patterns contracts about an order-of-magnitude at each higher level, (3) goals expand in scope and planning horizons expand in space and time about an order-of-magnitude at each higher level, and (4) models of the world and memories of events expand their range in space and time by about an order-of-magnitude at each higher level. At each level, functional modules perform behavior generation (task decomposition planning and execution), world modeling, sensory processing, and value judgment. Sensory feedback control loops are closed at every level.
    Keywords: CYBERNETICS
    Type: IEEE Transactions on Systems, Man, and Cybernetics (ISSN 0018-9472); 21; 473-509
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    The Marr and Albus Theories of the Cerebellum: Two Eary Models of Associative Memory (1989)
    In:  CASI
    Details
    Publication Date: 2014-09-23
    Description: The Marr and Albus theories of the cerebellum are compared and contrasted. They are shown to be similar in their analysis of the function of the mossy fibers, granule cells, Golgi cells, and Purkinje cells. They both predict motor learning in the parallel fiber synapses on the Purkinje dendrites mediated by concurrent climbing fiber input. This prediction has been confirmed by experimental evidence. In contrast, Marr predicts these synapses would be facilitated by learning, while Albus predicts they would be weakened. Experimental evidence confirms synaptic weakening.
    Keywords: CYBERNETICS
    Type: Research Inst. for Advanced Computer Science, Cerebellar Models of Associative Memory: Three Papers from IEEE COMPCON Spring 1989; p 8-13
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    The Flight Telerobotic Servicer Program (1988)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The Flight Telerobotic Servicer (FTS) Program, initiated by NASA to provide new capabilities for task accomplishment in the space environment, is described. The FTS Program includes the following: a series of test flights, a ground-based supporting infrastructure, and a technology utilization and transfer process. The FTS Program strives to reduce Space Station dependence on crew EVA, improve crew safety, enhance crew utilization, provide remote servicing capabilities for platforms, and accelerate technology transfer from research to U.S. industry.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: AIAA PAPER 88-5001
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    NASA/NBS (National Aeronautics and Space Administration/National Bureau of Standards) standard reference model for telerobot control system architecture (NASREM) (1989)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The document describes the NASA Standard Reference Model (NASREM) Architecture for the Space Station Telerobot Control System. It defines the functional requirements and high level specifications of the control system for the NASA space Station document for the functional specification, and a guideline for the development of the control system architecture, of the 10C Flight Telerobot Servicer. The NASREM telerobot control system architecture defines a set of standard modules and interfaces which facilitates software design, development, validation, and test, and make possible the integration of telerobotics software from a wide variety of sources. Standard interfaces also provide the software hooks necessary to incrementally upgrade future Flight Telerobot Systems as new capabilities develop in computer science, robotics, and autonomous system control.
    Keywords: MECHANICAL ENGINEERING
    Type: NASA-CR-185078 , NAS 1.26:185078 , PB89-193940 , NIST/TN-1235-89
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    A Digital Solar Aspect Sensor (1961)
    In:  CASI
    Details
    Publication Date: 2019-08-16
    Description: The solar aspect sensor described herein performs the analog-to-digital conversion of data optically. To accomplish this, it uses a binary "Gray code" light mask to produce a digital indication, in vehicle-fixed coordinates, of the elevation and azimuth angles of incident light from the sun. This digital solar aspect sensor system, in Explorer X, provided measurements of both elevation and azimuth angles to +/- 2 degrees at a distance of over 140,000 statute miles.
    Keywords: Instrumentation and Photography
    Type: NASA-TN-D-1062
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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