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  • 1
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    Global change - Geoengineering and space exploration (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: Geoengineering options and alternatives are proposed for mitigating the effects of global climate change and depletion of the ozone layer. Geoengineering options were discussed by the National Academy of Science Panel on the Policy Implications of Greenhouse Warming. Several of the ideas conveyed in their published report are space-based or depend on space systems for implementation. Among the geoengineering options using space that are discussed include the use of space power systems as an alternative to fossil fuels for generating electricity, the use of lunar He-3 to aid in the development of fusion energy, and the establishment of a lunar power system for solar energy conversion and electric power beaming back to earth. Other geoengineering options are discussed. They include the space-based modulation of hurricane forces and two space-based approaches in dealing with ozone layer depletion. The engineering challenges and policy implementation issues are discussed for these geongineering options.
    Keywords: GEOSCIENCES (GENERAL)
    Type: In: Engineering, construction, and operations in space - III: Space '92; Proceedings of the 3rd International Conference, Denver, CO, May 31-June 4, 1992. Vol. 2 (A93-41976 17-12); p. 2072-2081.
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  • 2
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    GRIS detection of Al-26 1809 keV line emission from the Galactic center region as a broad line (1997)
    In:  CASI
    Details
    Publication Date: 2004-12-03
    Description: The gamma ray imaging spectrometer (GRIS) was used to observe the 1809 keV emission from the Galactic center region. The observed line is broader than the instrument resolution. The measured intrinsic width is 5.4 +/- 1.4 keV full width half medium, which is more than three times the maximum Doppler broadening expected due to Galactic rotation. The detection of such a wide feature, suggesting a high dispersion velocity has implications for the origin of Galactic Al-26. It suggests a supernova explosion origin or a Wolf-Rayet stellar wind origin of Al-26. The fact that the Al-26 has not come to rest after 10(exp 6) years presents a challenge to the current understanding of the Al-26 production and propagation in the Galaxy.
    Keywords: Space Radiation
    Type: Proceedings of 2nd INTEGRAL Workshop 'The Transparent Universe'; 59-62; ESA-SP-382
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  • 3
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    Countermeasures for mitigating the effects of global environment changes (1991)
    In:  Other Sources
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    Publication Date: 2011-08-24
    Description: Environmental countermeasures for preventing the negative effects of global climate change and ozone depletion are discussed with special emphasis on the possibilities of space-based actions. Among the programs addressed are the Mission to Planet Earth, the Solar Power Satellite (and linkage to the Space Exploration Initiative), and proposed projects such as a lunar-based power generator that utilizes He-3 as a fusion fuel when combined with deuterium. The concept of regional working groups is proposed for initiating the programs for effective countermeasures.
    Keywords: ENVIRONMENT POLLUTION
    Type: Space Power - Resources, Manufacturing and Development (ISSN 0883-6272); 10; 2, 19
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  • 4
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    Flight experiments in telerobotics-Orbiter middeck concept (1989)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: Most uncertainties of operation of a telerobot in the space environment relate to the absence of gravity effects and not to the vacuum effects. A flight experiment concept is proposed for the middeck of the space shuttle that provides direct access for the crew. Telerobot dextrous manipulation issues in task performance, mechanism response, system duty cycles, and operator interface can be effectively addressed. A pair of replica-type master controllers would be adapted for slave manipulator functions. A variety of test setups and control modes can obtain data on zero G operation of a telerobot.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: JPL, California Inst. of Tech., Proceedings of the NASA Conference on Space Telerobotics, Volume 5; p 207-213
    Format: application/pdf
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  • 5
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    Telerobot for space station (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The Flight Telerobotic Servicer (FTS), a multiple arm dexterous manipulation system, will aid in the assembly, maintenance, and servicing of the space station. Fundamental ideas and basic conceptual designs for a shuttle-based telerobot system have been produced. Recent space station studies provide additional concepts that should aid in the accomplishment of mission requirements. Currently, the FTS is in contractual source selection for a Phase B preliminary design. At the same time, design requirements are being developed through a series of robotic assessment tasks being performed at NASA and commercial installations. A number of the requirements for remote operation on the space station, necessary to supplement extravehicular activity (EVA), will be met by the FTS. Finally, technology developed for telerobotics will advance the state of the art of remote operating systems, enhance operator productivity, and prove instrumental in the evolution of an adaptive, intelligent autonomous robot.
    Keywords: MECHANICAL ENGINEERING
    Type: First Annual Workshop on Space Operations Automation and Robotics (SOAR 87); p 497-499
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  • 6
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    Telerobotic work system: Concept development and evolution (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The basic concept of a telerobotic work system (TWS) consists of two dexterous manipulator arms controlled from a remote station. The term telerobotic describes a system that is a combination of teleoperator control and robotic operation. Work represents the function of producing physical changes. System describes the integration of components and subsystems to effectively accomplish the needed mission. Telerobotics reduces exposure to hazards for flight crewmembers and increases their productivity. The requirements for the TWS are derived from both the mission needs and the functional capabilities of existing hardware and software to meet those needs. The development of the TWS is discussed.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: The 21st Aerospace Mechanisms Symposium; p 103-110
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  • 7
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    Large space-based systems for dealing with global environment change (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Increased concern over the effects of global climate change and depletion of the ozone layer has resulted in support for the Global Change Research Program and the Mission to Planet Earth. Research to understand Earth system processes is critical, but it falls short of providing ways of mitigating the effects of change. Geoengineering options and alternatives to interactively manage change need to be developed. Space-based concepts for dealing with changes to the environment should be considered in addition to Earth-based actions. 'Mission for Planet Earth' describes those space-based geoengineering solutions that may combine with an international global change program to stabilize the Global environment. Large space systems that may be needed for this response challenge guidance and control engineering and technology. Definition, analysis, demonstration, and preparation of geoengineering technology will provide a basis for policy response if global change consequences are severe.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: AAS PAPER 92-007 , In: Guidance and control 1992; Proceedings of the 15th Annual AAS Rocky Mountain Conference, Keystone, CO, Feb. 8-12, 1992 (A93-50576 21-18); p. 707-712.
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  • 8
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    System architecture for the telerobotic work system (1986)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: The functional and performance requirements and design concepts for a telerobotic work system (TWS) being considered as an adjunct to the Shuttle Remote Manipulator System and other applications are described. The multiple-armed free-flyer would be controlled by an operator in the Orbiter cabin and would perform remote sensing and manipulative tasks that EVA crew otherwise carry out. The TWS could also perform hazardous tasks, construction operations, and be an asset to the Space Station. Alternative system architectures are described, including the man-machine interface, the types of manipulators and their stowage, and the controls and backup systems. Potential terrestrial applications of the TWS concept, augmented with AI capabilities, are discussed.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: AAS PAPER 86-044
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  • 9
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    Demonstrating system for servicing satellites (1989)
    In:  Other Sources
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    Publication Date: 2019-07-13
    Description: NASA has initiated a program to demonstrate a Satellite Servicer System prototype in a series of flight tests with the Space Shuttle. When the commitment to an operational system has been demonstrated, it is anticipated that a variety of missions will develop that can productively use the servicing capability. Rendezvous and proximity operations contain key enabling technologies needed for an effective operational system. Guidance, navigation and control hardware and operational techniques must be integrated into the program. Supporting sensor technology may limit or enhance the capability of the system depending on its readiness. Requirements for docking the spacecraft in the system concept development and technology requirements are reviewed. Examples of the initial assessment of technology readiness and applications opportunities are discussed. The degree of autonomy is of particular interest.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: AAS PAPER 89-043 , Annual Rocky Mountain Guidance and Control Conference; Feb 04, 1989 - Feb 08, 1989; Keystone, CO; United States
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  • 10
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    Construction of large space power facilities (1989)
    In:  Other Sources
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    Publication Date: 2019-07-12
    Description: Construction was an important facet of the Satellite Power System studies in the late 1970s. Satellite servicing and assembly of the Space Station Freedom are addressing many of the critical issues in construction of large space systems. Design for assembly, capability of construction equipment and interaction with the launch system influence configuration development. The extravehicular capabilities of space-suited crew and remote operating systems like the Flight Telerobotic Servicer will provide an operational experience base for development of future large space power facilities. Economics success may well depend on early consideration of construction requirements and capabilities.
    Keywords: ENERGY PRODUCTION AND CONVERSION
    Type: IAF PAPER ICOSP89-12-2 , Space Power (ISSN 0951-5089); 8; 3 19
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