Last edited by Kajim
Saturday, July 25, 2020 | History

3 edition of Development of software to improve A.C. power quality on large spacecraft found in the catalog.

Development of software to improve A.C. power quality on large spacecraft

L. Alan Kraft

Development of software to improve A.C. power quality on large spacecraft

by L. Alan Kraft

  • 181 Want to read
  • 18 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC], [Springfield, Va .
Written in English

    Subjects:
  • Space vehicles -- Auxiliary power supply.

  • Edition Notes

    StatementL. Alan Kraft.
    SeriesNASA-CR -- 190569., NASA contractor report -- NASA CR-190569.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL17676884M

    Although Ceres and Vesta lie farther from the Sun than Mars does, the spacecraft will be able to draw all the power it needs from kW solar arrays. Manned missions need more power. "The next step for a [human-crewed] Mars mission," says Jeff George, "is to step up to megawatts of nuclear power and then scale up the electric thrusters to. Spacecraft Power Chapter 9 1. Power Systems Options for electrical-power production & storage for space missions, current and under development, are shown in the following figure in terms of power vs. mission duration, Figure Spacecraft power systems (Hyder). Primary Batteries: Produce direct current by electrochemistry.

    Spacecraft design was born as a discipline in the s and 60s with the advent of American and Soviet space exploration programs. Since then it has progressed, although typically less than comparable terrestrial technologies. This is for a large part due to the challenging space environment, but also to the lack of basic R&D, and to other. Spacecraft Power Technologies [Book Review] Article (PDF Available) in IEEE Electrical Insulation Magazine 18(3) June with Reads How we measure 'reads'.

    Emerson’s next-generation Control Software is your easy-to-deploy path to secure system configuration, with effective collaboration and open integration with various software applications and devices. Get all the simplicity and efficiency of a single set of tools for all PACSystems controllers and I/O. The Tacsat-1 spacecraft enables responsive real-time imagery and data to be collected and distributed directly to US military commands. The PTR Group has been key in supporting, and developing solutions for the VxWorks-based spacecraft software, Linux based payload software, and .


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Development of software to improve A.C. power quality on large spacecraft by L. Alan Kraft Download PDF EPUB FB2

DEVELOPMENT OF SOFTWARE TO IMPROVE A.C. POWER QUALITY ON LARGE SPACECRAFT Prepared by: L. Alan Kraft, Ph.D. Associate Professor Electrical and Computer Engineering Valparaiso University Valparaiso, Indiana Decem Prepared for: National Aeronautics and Space Administration Lewis ResearCh Center Cleveland, Ohio NASA Grant NAG DEVELOPMENT OF SOFTWARE TO IMPROVE A.C.

POWER QUALITY ON LARGE SPACECRAFT Prepared by: L. Alan Kraft, Ph.D. Associate Professor Electrical and Computer Engineering Valparaiso University Valparaiso, Indiana Decem Prepared for: National Aeronautics and Space Administration Lewis Research Center Cleveland, Ohio (,NASA-C R- l')O5&9) @EVELOPHENT.

Get this from a library. Development of software to improve A.C. power quality on large spacecraft. [L Alan Kraft; United States. National Aeronautics and Space Administration.]. See what's new with book lending at the Internet Archive Software. An illustration of two photographs.

Images NASA Technical Reports Server (NTRS) Development of software to improve AC power quality on large spacecraft Item Preview remove-circle. Keywords: spacecraft, satellite, electrical power supply, orbit, software, battery, solar array. INTRODUCTION The term “Satellite” is typically used to describe a spacecraft invented on the Earth and sent into orbit on a launch vehicle to perform some specific missions or tasks.

Typical examples of these. Purchase Space Power Systems - 1st Edition. Print Book & E-Book. ISBNThis fourth edition of the bestselling Spacecraft Systems Engineering title provides the reader with comprehensive coverage of the design of spacecraft and the implementation of space missions, across a wide spectrum of space applications and space science.

The text has been thoroughly revised and updated, with each chapter authored by a recognized expert in the field. Fundamentals of Space Systems was developed to satisfy two objectives: the first is to provide a text suitable for use in an advanced undergraduate or beginning graduate course in both space systems engineering and space system design.

The second is to be a primer and reference book for space professionals wishing to broaden their capabilities to develop, manage the development, or operate 5/5(3).

Cooper W. Chow Development of On-board Space Computer Systems Abstract: This paper describes the functions, characteristics, requirements, and design approaches of the on-board computers for seven space vehicles-Saturn I, Orbiting Astronomical Observatory, Gemini, Saturn IB, Saturn V, Skylab, and Space data contained in this paper represent an encapsulation of sixteen.

This book for the first time provides a consistent presentation on the application of functional system simulation in spacecraft development - covering the entire process from spacecraft design to final verification. The book treats the diverse simulator types and their application in the subsequent steps of a spacecraft engineering process.

Goals 3 and 4: Good Health and Well-being; and Quality Education Just 50% of Earth’s billion people have access to the internet. A global network of communications satellites, such as those being developed by SpaceX and OneWeb, could enable internet connectivity to a clear majority of people, especially those in remote regions where.

Get this from a library. Development of an analytical tool to study power quality of AC power systems for large spacecraft.

[L Alan Kraft; M David Kankam. [] Box How IBM Verifies the Shuttle Flight Software The Shuttle software verification process actually begins before the test group gets the software, in the sense that the development organization conducts internal code reviews and unit tests of individual modules and then integration tests of groups of modules as they are assembled into a software load.

There are two levels of code. The Ground Software team is about 9 people. We primarily code in LabVIEW. We develop the GUIs used in Mission and Launch control, for engineers and operators to monitor vehicle telemetry and command the rocket, spacecraft, and pad support equipment.

That's why NASA's Curiosity rover on Mars—and some other NASA spacecraft that explore the solar system—use something called "radioisotope power." NASA's Jet Propulsion Laboratory is working with the Department of Energy on ways to make the next generation of radioisotope power systems even more powerful and capable.

This video explains more. spacecraft development. Our work within the Space Department’s Embedded Software Systems Group involves identifying and researching ways to improve the quality and efficiency of mission critical flight software.

The IRAD program provided an excellent opportunity, away from a particular set of mission constraints, to follow the in. The development and launch of the first artificial satellite Sputnik more than five decades ago propelled both the scientific and engineering communities to new heights as they worked together to develop novel solutions to the challenges of spacecraft system design.

This symbiotic relationship has brought significant technological advances that have enabled the design of systems that can. and mission-critical space systems is the development of spacecraft software. Despite the high quality of design in the areas of electrical, mechanical, and materials engineering, a failure of control software can lead to a quick and expensive mission failure [2].

Software bugs can manifest in many ways, and trace back to different. Pathfinder spacecraft, which used only solar and battery power, operated only three months. • They are lightweight and compact. In the kilowatt range, RTGs provide more power for less mass (when compared to solar arrays and batteries).

• No moving parts or fluids, conventional RTGs highly reliable. • RTGs are safe and flight-proven. Spacecraft Power Systems AOE Space Design Refs: SMAD ChapG&F C – bus-voltage quality, conversion.

Power Subsystem Requirements • Average electrical power - sizes power source • Batteries can be connected in series to increase voltage • or in parallel to increase. Radioisotope Thermoelectric Generators (RTGs) — The RTG systems are ideal for applications where solar panels cannot supply adequate power, such as for spacecraft surveying planets far from the sun.

RTGs have been used on many National Aeronautics and Space Administration (NASA) missions, including the following.The decade of the s saw a steady increase in the power and memory capacity of mainframe computers, coupled with a development of general purpose software such as the programming language FORTRAN, and special-purpose software that was used for computer-aided design/computer-assisted manufacturing (CAD/CAM), stress analysis, or fluid dynamics.Development of the Gemini software was a learning experience for both NASA and IBM.

It was, of course, the first on-board software for a manned spacecraft and was certainly a more sophisticated system than any that had flown on unmanned spacecraft to that point.