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  • 1
    facet.materialart.
    Unknown
    In:  Bull. Seism. Soc. Am., Oxford and Edinburgh, Blackwell Scientific Publications, vol. 74, no. 1, pp. 2541-2558, pp. L23301, (ISBN: 0534351875, 2nd edition)
    Publication Date: 1984
    Keywords: Earthquake precursor: prediction research ; BSSA
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  • 2
    Publication Date: 2013-08-31
    Description: The Experiment Control System II (ECS-II) is designed to make available to the microgravity research community the same tools and mode of automated experimentation that their ground-based counterparts have enjoyed for the last two decades. The design goal was accomplished by combining commercial automation tools familiar to the experimenter community with system control components that interface with the on-orbit platform in a distributed architecture. The architecture insulates the tools necessary for managing a payload. By using commercial software and hardware components whenever possible, development costs were greatly reduced when compared to traditional space development projects. Using commercial-off-the-shelf (COTS) components also improved the usability documentation, and reducing the need for training of the system by providing familiar user interfaces, providing a wealth of readily available documentation, and reducing the need for training on system-specific details. The modularity of the distributed architecture makes it very amenable for modification to different on-orbit experiments requiring robotics-based automation.
    Keywords: MATERIALS PROCESSING
    Type: NASA. Goddard Space Flight Center, The 1995 Shuttle Small Payloads Symposium; p 303-316
    Format: application/pdf
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  • 3
    Publication Date: 2019-06-28
    Description: The robot module design documentation for the Remote Operated Materials Processing in Space (ROMPS) experiment is compiled. This volume presents the following information: robot module modifications; Easylab commands definitions and flowcharts; Easylab program definitions and flowcharts; robot module fault conditions and structure charts; and C-DOC flow structure and cross references.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA-CR-191614 , NAS 1.26:191614 , REPT-238800-11-T-VOL-2
    Format: application/pdf
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  • 4
    facet.materialart.
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    In:  CASI
    Publication Date: 2019-06-28
    Description: The design elements of the Robot-Operated Material Processing in Space (ROMPS) system are described in outline and graphical form. The following subsystems/topics are addressed: servo system, testbed and simulation results, System V Controller, robot module, furnace module, SCL experiment supervisor and script sample processing control, battery system, watchdog timers, mechanical/thermal considerations, and fault conditions and recovery.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA-CR-191612 , NAS 1.26:191612 , REPT-238800-12-X
    Format: application/pdf
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  • 5
    facet.materialart.
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    In:  CASI
    Publication Date: 2019-06-28
    Description: Topics concerning the Robot-Operated Material Processing in Space (ROMPS) Program are presented in viewgraph form and include the following: a systems overview; servocontrol and servomechanisms; testbed and simulation results; system V controller; robot module; furnace module; SCL experiment supervisor; SCL script sample processing control; SCL experiment supervisor fault handling; block diagrams; hitchhiker interfaces; battery systems; watchdog timers; mechanical/thermal systems; and fault conditions and recovery.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA-CR-191613 , NAS 1.26:191613 , REPT-238800-11-T-VOL-1
    Format: application/pdf
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  • 6
    Publication Date: 2019-06-28
    Description: As part of the furnace module design documentation, the furnace module Easylab programs definitions and command variables are described. Also included are Easylab commands flow charts and fault conditions.
    Keywords: COMPUTER PROGRAMMING AND SOFTWARE
    Type: NASA-CR-191615 , NAS 1.26:191615 , REPT-238800-11-T-VOL-3
    Format: application/pdf
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  • 7
    Publication Date: 2019-06-28
    Description: Topics related to robot operated materials processing in space (RoMPS) are presented in view graph form and include: (1) system concept; (2) Hitchhiker Interface Requirements; (3) robot axis control concepts; (4) Autonomous Experiment Management System; (5) Zymate Robot Controller; (6) Southwest SC-4 Computer; (7) oven control housekeeping data; and (8) power distribution.
    Keywords: CYBERNETICS
    Type: NASA-CR-189796 , ERIM-238800-2-T-VOL-1 , NAS 1.26:189796
    Format: application/pdf
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  • 8
    Publication Date: 2019-06-28
    Description: Topics related to robot operated materials processing in space (RoMPS) are presented in view graph form. Some of the areas covered include: (1) mission requirements; (2) automation management system; (3) Space Transportation System (STS) Hitchhicker Payload; (4) Spacecraft Command Language (SCL) scripts; (5) SCL software components; (6) RoMPS EasyLab Command & Variable summary for rack stations and annealer module; (7) support electronics assembly; (8) SCL uplink packet definition; (9) SC-4 EasyLab System Memory Map; (10) Servo Axis Control Logic Suppliers; and (11) annealing oven control subsystem.
    Keywords: CYBERNETICS
    Type: NASA-CR-189797 , ERIM-238800-2-T-VOL-2 , NAS 1.26:189797
    Format: application/pdf
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  • 9
    Publication Date: 2019-06-28
    Description: A determination of the plasma potential using an electrostatic analyzer is described in which the potential difference between the instrument slit system and surrounding plasma is minimized. Data obtained from rocket-borne instrumentation demonstrate the viability of this technique for electron fluxes between thermal energies (about 0.5 V) and suprathermal energies (many volts).
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Type: Review of Scientific Instruments; 52; Feb. 198
    Format: text
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  • 10
    Publication Date: 2019-06-27
    Description: The electroencephalographic and behavioral responses during sleep of four subjects, aged 46 to 58 years, to three types of noises were tested over 14 consecutive nights. The stimuli were two DC-8 jet landing noises (each 30 seconds in duration and coming from DC-8 aircraft with and without acoustical treatment on the engine nacelles) and a 4-second burst of pink noise. Each of the noises was tested at nominal intensities of 61 and 79 dBA. Other physical descriptors of the noises were measured or computed. The results indicate that for an equivalent degree of sleep disruption, noise form the jet aircraft with untreated nacelles must be about 6 dBA less intense than the jet with acoustically treated nacelles. Predictions of the effects of noise on sleep appear, tentatively, to attain the highest accuracy when the physical descriptor of noise intensity includes information about the impulsive characteristics of that noise as well as its long-term spectral content.
    Keywords: BIOSCIENCES
    Type: NASA-CR-2279
    Format: application/pdf
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