1–50 von 837 Ergebnissen
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    3D map building for slopes based on modeling of mobile robot

    Hwang, Yo-Seop / Kim, Hyun-Woo / Lee, Dong-Ju et al. | IEEE | 2014
    . This research, the scanning operations are performed while the mobile robot moved on the slanted surface and ground without stops. The motion ...

    17th International Microgravity Measurements Group Meeting

    DeLombard, Richard | NTRS | 1998
    ) in Brook Park, Ohio. This meeting focused on the transition of microgravity science research from the Shuttle, Mir, and free flyers to the ...

    1991 International Conference on Aging Aircraft and Structural Airworthiness

    Charles E. Harris | NTRS | 1991
    participation by all interested parties. Thus, the 2nd International Conference was held in 1989 in Baltimore and the third in the series in 1990 in ...

    1999 Marsokhod Field Experiment: A Simulation of a Mars Rover Science Mission

    C. Stoker / N. Cabrol / T. Roush et al. | NTIS | 1999
    A field experiment to simulate a rover mission to Mars was performed in February 1999. This experiment, the latest in a series of rover ...
    Verlag: National Aeronautics and Space Administration, Moffett Field, CA. Ames Research Center

    2012 Ground Testing Highlights

    Buchholz, Steven J. | NTRS | 2012
    stress during normal test operations. A very unusual test was completed in the 11 FT TWT to acquire aerodynamic and flow field data for the Crew ...
    Schlagwörter: Research And Support Facilities (Air)

    A 3D laser scanner system for autonomous vehicle navigation

    Maurelli, F. / Droeschel, D. / Wisspeintner, T. et al. | Tema Archiv | 2009
    replication of our system by interested parties or to get a cheap 3D laser scanner for research for those who do not wish to invest in hardware ...
    Verlag: IEEE Operations Center , Piscataway

    Accelerated performance and durability test of the exhaust aftertreatment system by contaminated biodiesel

    Schröder, Jörg | Online Contents | 2017
    The consumption of fossil and especially alternative fuels from renewable sources is supposed to rise in the future. Biofuels as well as ...

    Accommodations for Secondary Payloads in NASA's Space Launch System

    Robinson, Kimberly F. / Creech, Stephen D. | NTRS | 2018
    6U, 12U and 27U payloads may be accommodated in the vehicle's stage adapter. Opportunities for deep space research once out of reach for ...
    Schlagwörter: Launch Vehicles And Launch Operations

    Accuracy improvement of Shadow Range Finder: SRF for 3D surface measurement

    Kunii, Y. / Tsuji, S. / Watari, M. | Tema Archiv | 2003
    some situation, for example, a high brightness environment. In this research, we apply Shadow Range Finder: SRF, which can make good use of a ...
    Verlag: IEEE Operations Center , Piscataway

    A centimeter-scale autonomous robotic fish actuated by IPMC actuator

    Ye, Xiufen / Su, Yudong / Guo, Shuxiang | Tema Archiv | 2007
    This paper presents the research toward centimetre-scale autonomous robotic fish mimicking a kind of goldfish. The robotic fish is ...
    Verlag: IEEE Operations Center , Piscataway

    A Concept for Robust, High Density Terminal Air Traffic Operations

    Isaacson, Douglas R. / Robinson, John E. / Swenson, Harry N. et al. | NTRS | 2010
    automation and decision support as well as targeted task delegation. NASA will be evaluating these conceptual technological enhancements in a series ...

    A Continuing Investigation of Diurnal and Location Trends in an Ice Crystal Icing Engine Event Database

    Strapp, J. Walter / Bravin, Melissa | SAE Technical Papers | 2019
    maintained a database of such ice crystal icing (ICI) events to aid in analysis and further study of this phenomenon. This article provides a general ...
    Schlagwörter: Research and development

    Acoustic Emission and Acousto-Ultrasonic Monitoring in High-Temperature Environments

    Pollock, Luke / Wild, Graham | Springer Verlag | 2023
    acousto-ultrasonic (AU) monitoring in high-temperature environments. An expanding interest into the development of hypersonic vehicles, operating ...

    Active fixturing: literature review and future research directions

    Bakker, O.J. / Papastathis, T.N. / Popov, A.A. et al. | Tema Archiv | 2013
    manufacturing operations to increase the end product quality. This paper analyses the latest studies in the field of active fixture design and its ...

    Actual Problems in Implementation of the International Agreements under the G8 Global Partnership Cooperation Program at FEP "Zvezda"

    Shulgan, Y. P. / NATO Public Diplomacy Division | British Library Conference Proceedings | 2006

    Adaptive Augmenting Control Flight Characterization Experiment on an F/A-18

    VanZwieten, Tannen S. / Gilligan, Eric T. / Wall, John H. et al. | NTRS | 2014
    ), but prior to this series of research flights it was the only component of the autopilot design that had not been flight tested. The Space ...
    Schlagwörter: Launch Vehicles And Launch Operations

    AdBlue - Kunststoff beherrscht komplexe Chemie

    Binder, Radu / Häberle, Hartmut | Tema Archiv | 2009
    innermotorische Reduktion der Stickoxide mittels AGR und Partikelreduktion in der Abgasnachbehandlung (Stichwort: PM-Kat). 2. Die innermotorische ...

    Adjustment of design limited imperfections for transportation vehicles

    Voges-Schwieger, Kathrin / Hübner, Sven / Behrens, Bernd-Arno | Tema Archiv | 2011
    The realization of light weight-construction without loss of passive safety in transportation vehicles is a big challenge for the next ...

    Adsorption coefficients for TNT on soil and clay minerals

    Rivera, R. / Pabon, J. / Perez, O. et al. | Tema Archiv | 2007
    soil and clay minerals. In this research, soil samples from horizons Ap and A from Jobos Series at Isabela, Puerto Rico were studied. The clay ...

    Advanced applied research unravelling the fundamentals of 2-stroke engine cylinder lubrication - an innovative on-line measurement method based on the use of radioactive tracers-

    Doyen, V. / Drijfholt, R.K. / Delvigne, T. | Tema Archiv | 2007
    Nowadays, drain oils in 2-stoke marine engines are receiving a lot of attention as they are amongst of the most valuable tools for ...

    Advanced Free Flight Planner and Dispatcher's Workstation: Preliminary Design Specification

    J. Wilson / C. Wright / G. J. Couluris | NTIS | 1997
    to identify the optimal route, altitude and speed for successive segments of a flight. An iterative process is employed in which a series of ...
    Schlagwörter: Airline operations

    Advanced Free Flight Planner and Dispatcher's Workstation: Preliminary Design Specification

    Wilson, J. / Wright, C. / Couluris, G. J. | NTRS | 1997
    to identify the optimal route, altitude and speed for successive segments of a flight. An iterative process is employed in which a series of ...

    Advanced Manned Launch System (AMLS) study

    Ehrlich, Carl F., Jr. / Potts, Jack / Brown, Jerry et al. | NTRS | 1992
    To assure national leadership in space operations and exploration in the future, NASA must be able to provide cost effective and ...

    Advancing Automation and Robotics Technology for the Space Station Freedom and for the U.S. Economy

    NTIS | 1991
    Congress semiannually. This report is the thirteenth in a series of progress updates and covers the period between 14 Feb. - 15 Aug. 1991. The ...
    Verlag: National Aeronautics and Space Administration, Moffett Field, CA. Ames Research Center

    Advancing Test Capabilities at NASA Wind Tunnels

    Bell, James | NTRS | 2015
    and 8x6 supersonic wind tunnels, 9x15 low speed tunnel, Icing Research Tunnel, and Propulsion Simulator Laboratory, all at NASA Glenn; and the ...
    Schlagwörter: Research And Support Facilities (Air)

    Aerocapture as an Enabling Technology for Planetary Missions

    Soumyo Dutta | NTRS
    aerodynamic forces of the vehicle in an atmosphere slow down the vehicle rather than using propellant. Additionally, aerocapture is a quick maneuver ...
    Schlagwörter: Systems Analysis and Operations Research

    Aerodynamic Assessment of Micro-Drag Generators (MDGs)

    S. X. S. Bauer | NTIS | 2004
    , commuter airports are being built or envisioned to be built in the centers of metropolitan areas where shorter runways and/or reduced noise ...
    Verlag: National Aeronautics and Space Administration, Hampton, VA. Langley Research Center
    Schlagwörter: Flight operations

    Aerodynamics of Landing Maneuvering of an Unmanned Aerial Vehicle in Close Proximity to a Ground Vehicle

    Misar, Adit / Hahn, Cortney / Uddin, Mesbah et al. | SAE Technical Papers | 2023
    active research for the past several years. For military missions requiring repeated flight operations of the UAV, precise landing ability is ...

    Aeroelastic Airworthiness Assesment of the Adaptive Compliant Trailing Edge Flaps

    Herrera, Claudia Y. / Spivey, Natalie D. / Lung, Shun-fat et al. | NTRS | 2015
    Environmentally Responsible Aviation Project in partnership with the Air Force Research Laboratory and FlexSys, Inc. (Ann Arbor, Michigan). The project ...

    Aeromedical Support in Military Helicopter Operations: Lecture Series Held at Soesterberg, The Netherlands on 4-5 June 1984, Fuerstenfeldbruck, Germany on 7-8 June 1984 and Oslo, Norway on 12-13 June 1984

    NTIS | 1984
    Contents: Aeromedical Support In Military Helicopter Operations - Introduction And Overview; Stressful Mission Profiles, Part I; Stressful ...
    Verlag: Advisory Group for Aerospace Research and Development, Neuilly-sur-Seine (France)

    A ground-simulation investigation of helicopter decelerating instrument approaches

    Lebacqz, J. V. | NTRS | 1982
    In connection with the expansion of civil helicopter operations in the current era, the effect of helicopter flight and control ...

    A Hardware & Software System for Unmanned Ground Vehicle Control with Robotic Arm & Color Detection

    Rahman, M. Saidur / Chowdhury, M. Shakar Ullah / Wazed, M. Abdul et al. | Tema Archiv | 2012
    environments, and by civilian teams to conduct search and rescue operations in hazardous terrain. The software system is used to control the UGV ...

    A High-power Electric Propulsion Test Platform in Space

    Petro, Andrew J. / Reed, Brian / Chavers, D. Greg et al. | NTRS | 2005
    systems in space. The results of this design study are intended to provide a firm foundation for subsequent detailed design and development ...

    Airborne-Managed Spacing in Multiple Arrival Streams

    Barmore, Bryan / Abbott, Terence / Krishnamurthy, Karthik | NTRS | 2004
    buffer required under today s operations. At the NASA Langley Research Center, the Advanced Air Transportation Technologies (AATT) Project is ...
    Schlagwörter: Research And Support Facilities (Air)

    Airborne Trajectory Management (ABTM): A Blueprint for Greater Autonomy in Air Traffic Management

    Cotton, William B. / Wing, David | NTRS | 2017
    of Unmanned Aircraft Systems (UAS) - are constrained in their operations by the design of the current paradigm for air traffic control (ATC ...

    Airbus versus Boeing Revisited : International Competition in the Aircraft Market

    Freier Zugriff
    Irwin, Douglas A. / National Bureau of Economic Research | TIBKAT | 2001
    This paper examines international competition in the commercial aircraft industry. We estimate a discrete choice, differentiated products ...
    Verlag: National Bureau of Economic Research , Cambridge, Mass

    Aircraft and Ground Vehicle Winter Runway Friction Assessment

    Yager, Thomas J. | NTRS | 1999
    described. The status of an international friction index calibration device for use in ensuring accuracy of ground vehicle friction measurements ...
    Schlagwörter: Research And Support Facilities (Air)

    Aircraft and Refueler Bonding and Grounding Study

    NTIS | 1993
    truck loadings. This change has caused a great deal of concern in the industry since it impacts not only refueling operations, but also airport ...
    Verlag: Coordinating Research Council, Inc., Atlanta, GA
    Schlagwörter: CRC(Coordinating Research Council)

    Aircraft Inspection Using Drones – Benefits and Related Safety Concerns

    Tomić, Lidija / Čokorilo, Olja | Springer Verlag | 2023
    process of aircraft inspection using drones. The assessment of related risks is conducted by using HAZOP (hazard and operability) method in ...

    Airline Quality Rating 2002

    B. D. Bowen / D. E. Headley | NTIS | 2002
    The UNO Aviation Institute Monograph Series began in 1994 as a key component of the education outreach and information transfer missions of ...
    Schlagwörter: Airline operations

    Airport Surface Movement Technologies: Atlanta Demonstrations Overview

    Jones, Denise R. / Young, Steven D. | NTRS | 1997
    and surface operations (LVLASO) research activities. This research was aimed at investigating technology to improve the safety and efficiency ...

    Air Traffic Management Technology Demonstration (ATD-1) - Concept to Operations

    Sharma, Shivanjli | NTRS | 2015
    have been developed to support metering operations in the National Airspace System. These sequencing and scheduling algorithms as well as tools ...

    A Journey with MOM

    Helfrich, Cliff / Berry, David S. / Bhat, Ramachandra et al. | NTRS | 2015
    In late 2013, the Indian Space Research Organization (ISRO) launched its "Mars Orbiter Mission" (MOM). ISRO engaged NASA's Jet Propulsion ...

    A low cost alternative for satellites- tethered ultra-high altitude balloons

    Izet-Unsalan, K. / Unsalan, D. | Tema Archiv | 2011
    balloons reaching the lower parts of the stratosphere has been studied in 1960's for atmospheric research and successful results from prototype ...
    Verlag: IEEE Operations Center , Piscataway

    Alternative-Fuel Effects on Contrails & Cruise Emissions (ACCESS-2) Flight Experiment

    Anderson, Bruce E. | NTRS | 2015
    altitudes. To fill this information gap, the NASA Aeronautics Research Mission Directorate sponsored the ACCESS flight series to make detailed ...

    A Methodology for Evaluating Aviation Sustainability Perspectives

    Karam, H. / Anwama, E. / Davidson, I. E. A. et al. | Springer Verlag | 2023
    air transport operations must be continuously optimised. This should necessitate substantial investments in research and development (R&D) and ...

    A minimalist control strategy for small UAVs

    Leven, Severin / Zufferey, Jean-Christophe / Floreano, Dario | Tema Archiv | 2009
    complex, require a significant amount of processing power and are usually expensive. Many research projects that aim at experiments with one, or ...
    Verlag: IEEE Operations Center , Piscataway

    AMO EXPRESS: A Command and Control Experiment for Crew Autonomy Onboard the International Space Station

    Stetson, Howard K. / Frank, Jeremy / Cornelius, Randy et al. | NTRS | 2015
    support from ground controllers. This autonomous operations capability is enabling in scenarios such as initialization of a medical facility to ...

    A Multifunctional Drilling Fluid for Coalbed Methane Drilling

    Zheng, Li-Hui / Zhang, Ming-Wei / Lin, Yong | Tema Archiv | 2012
    With extremely complicated geological conditions, there is abundant coalbed methane in the China's Ordos Basin Area. As a result of ...

    Analysis and improvement of material flow for volvo truck assembly operations

    Ellis, Kimberley P. / Meller, Russell D. / Wilck, Joseph H. et al. | Tema Archiv | 2008
    Effective material flow in an assembly facility leads to reduced material handling costs and increased productivity. This research focuses ...