Space power systems

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Space power systems

  1. 1. Professional Development Short Course On: Space Power Systems Instructor: Robert C. Detwiler ATI Course Schedule: http://www.ATIcourses.com/schedule.htm 349 Berkshire Drive • Riva, Maryland 21140 888-501-2100 • 410-956-8805 Website: www.ATIcourses.com • Email: ATI@ATIcourses.com
  2. 2. Space Systems - Intermediate Design Summary This multi-disciplinary course provides a complete summary of the technologies needed to understand and develop spacecraft systems and instrumentation. The course presents a systems engineering approach for understanding the design and testing of spacecraft systems. The course highlights the underlying scientific and engineering foundations needed to develop space systems, as well as current practices. Case studies are February 23-27, 2009 used to pinpoint the key issues and trade-offs in modern design, and to illustrate the lessons learned from past Beltsville, Maryland successes and failures. This course provides a strong technical base for $1895 (8:30am - 4:00pm) leadership in systems engineering or the management of 5 top experts in 1 week! space systems. Technical specialists will find the broad perspective and knowledge useful in communicating with "Register 3 or More & Receive $10000 each Off The Course Tuition." other space system specialists in analyzing design options and trade-offs. The emphasis will be on how today's technology is Course Outline incorporated into the planning, designing, fabrication, 1. Space Systems Engineering. Fundamentals of integration, and testing of modern space systems. Each systems engineering. System development process. participant will receive a complete set of notes and the Engineering reviews. Management of space systems. award-winning textbook Space Systems written by the instructors. The textbook and course notes provide an 2. Orbital Mechanics. Fundamentals of dynamics. authoritative reference that focuses on proven techniques Reference frames. Time. Two-body central force and guidelines for understanding, designing, and motion. Two-body problem. Trajectory perturbations. managing modern space systems. Orbit determination. Interplanetary missions and patched conics. 3. Spacecraft Propulsion/Rocket Propulsion. Instructors Force-free rocket motion. Rocket motion with gravity. Launch flight mechanics. Transfer trajectories. Dr. Vincent L. Pisacane is a fellow of the AIAA, and is 4. Flight Mechanics and Launch Systems. the R.A. Heinlein Professor of Aerospace Hohman transfer orbits. Reaching a target orbit. Solid Engineering at the United States Naval and liquid propellant systems. Other propulsion Academy. He was formerly Head of the systems. Selected launch systems. APL Space Department. He has 35 years of experience in space research and the 5. Spacecraft Attitude Determination. Attitude development of spacecraft and sensors and kinematics. Attitude determination instrumentation. He is the editor of the systems. Attitude estimation and system identification. textbook Space Systems published by Attitude error specification and analysis. Mission Oxford Press. experiences. Dr. Mark E. Pittelkau is president of Aerospace 6. Spacecraft Attitude Control. Rotational ControlSystems Engineering and Research dynamics and environmental disturbance torques. (www.ascinnovations.com). His experience in satellite Attitude actuators. Passive and active attitude control systems includes the design, implementation, and testing methods. Attitude controllers and stability. Mission of orbit determination algorithms, attitude determination, experiences. and control systems. His current work in attitude control 7. Configuration and Structural Design. systems includes control-structure interaction, pointing Structural design requirements and interfaces. jitter and stability analysis, concept studies for various Requirements for launch, staging, spin stabilization attitude control systems, and sensor alignment calibration. stages. Acoustics, acceleration, transients and shock. Jay Jenkins is a power system engineer at JHU/APL Designing and testing. Stress-strain analysis. Margins with 15 years of experience in design and analysis of of safety. Finite Element Analysis. Structural dynamics. aerospace power systems with an emphasis on battery Testing. and solar array technology. 8. Space Power Systems. Energy storage, William E. Skullney is Supervisor of the Mechanical distribution, and control. Environmental effects on solar Systems Group at JHU/APL and has over 20 years cells. Orbital considerations. Energy converters. Solar experience in the design, analysis and testing of cells and solar arrays. Batteries and energy storage. spacecraft mechanical systems. He specializes in Characteristics of different batteries. Strong emphasis structural engineering and analysis and has led structural on translating mission requirements into a power engineering efforts for the Delta 180 series programs and system design. the Midcourse Space Experiment Program. 9. Space Thermal Control. Radiation and thermal Clarence Wingate has 35 years of space experience fundamentals. Heat transfer and energy balance. and specializes in the thermal design, analysis and testing Choice of thermal materials. The thermal design and of spacecraft. He is retired from JHU/APL. testing process. Register online at www.ATIcourses.com or call ATI at 888.501.2100 or 410.956.8805 Vol. 96 – 21
  3. 3. www.ATIcourses.com Boost Your Skills 349 Berkshire Drive Riva, Maryland 21140 with On-Site Courses Telephone 1-888-501-2100 / (410) 965-8805 Tailored to Your Needs Fax (410) 956-5785 Email: ATI@ATIcourses.com The Applied Technology Institute specializes in training programs for technical professionals. Our courses keep you current in the state-of-the-art technology that is essential to keep your company on the cutting edge in today’s highly competitive marketplace. Since 1984, ATI has earned the trust of training departments nationwide, and has presented on-site training at the major Navy, Air Force and NASA centers, and for a large number of contractors. Our training increases effectiveness and productivity. Learn from the proven best. For a Free On-Site Quote Visit Us At: http://www.ATIcourses.com/free_onsite_quote.asp For Our Current Public Course Schedule Go To: http://www.ATIcourses.com/schedule.htm
  4. 4. Space Systems I - Power Systems Summary 2 Course Overview • Provides end-to-end synopsis of space power systems – Power strategies for mission duration and destination • Solar and Nuclear Power Sources – Review of orbital mechanics and space environment – Solar Array considerations – Radioisotope Thermoelectric Generator basics • Energy Storage Technologies – Provides overview of available battery cell technologies • Power Control electronics options are covered • Power Systems for current missions are presented
  5. 5. Space Systems I - Power Systems Summary 3 Application Range of Power Sources 100 Nuclear Reactor Dynamic/Thermoelectric Chemical Dynamic Fuel 10 APUs* Cell Load Power Photovoltaic kW or Radioisotope 1 Thermoelectric Generators Primary Batteries 1Day 1Mo. 1Yr. 10Yr. 100Yr. .1 0.1 1.0 10 100 103 104 105 106 *APU = Auxiliary Power Unit After Chetty, 1988 Time Hours
  6. 6. Space Systems I - Power Systems Summary 4 Limits of Solar Power
  7. 7. Space Systems I - Power Systems Summary 5 Annual Earth Sun Positions Mars: 2.17 x 108 Km
  8. 8. Space Systems I - Power Systems Summary 6 Earth’s Radiation Belts 11 Year Solar Cycle: Peak 12/2001, Minimum 2007
  9. 9. Space Systems I - Power Systems Summary 7 Solar Spectral Irradiance Vs Wavelength (AM0 Solar Constant) American Society Testing & Materials (1999) 136.6 W/cm2 Mars 58.86 W/cm2
  10. 10. Space Systems I - Power Systems Summary 8 Triple-junction Solar Cell Cross Section & Quantum Efficiencies Spectrolab 3J Top cell: Bottom cell: short wavelengths long wavelengths Middle cell
  11. 11. Space Systems I - Power Systems Summary 9 GPHS RTG Cross Section
  12. 12. Space Systems I - Power Systems Summary 10 Electrochemical Operation of a Cell (Discharge)
  13. 13. Space Systems I - Power Systems Summary 11 Space Station NiH2 Battery
  14. 14. Space Systems I - Power Systems Summary 12 MER Power Functional Block Diagram Lightning Umbilical to LCE Suppression Assembly Cruise Shunt Limiter Cruise 1/2 Panel Assembly Shunt (x5) (5 Stages) Radiator 1/2 Panel CRUISE STAGE Cruise Solar Array (4 Panels) Vc Cruise Cruise Power LOADS CRUISE PYRO LOADS Power Distribution Converter Unit Unit Rover Solar Rover Solar Rover Solar Array PanelSolar Rover (x6) Rover Shunt Limiter Array Rover Solar Rover Array Solar Rover Array Unit Array (x2) Shunt ROVER Array Panel (x6) (2 Stages) Radiator STAGE Rover Pyro Pyro Bus A Rover Switching Pyro Bus B Rover Power LOADS ROVER PYRO LOADS Assembly Battery Distribution T Control Unit Rover Li-Ion T Batteries Board Power VME Loads (x2) Converter IMU, Cameras Unit Lander Pyro Lander Pyro IMU PCU Switching Switching BACkSHELL PYRO Backshell Pyro LiSo2 LOADS Assembly Interface Switching Lander Batteries Power (x5) Assembly Lander LOADS Control Power Unit Distribution Thermal LANDER PYRO LOADS LANDER Unit RADAR ALTIMETER BACKSHELL Battery (x2) STAGE STAGE dgn- 2/1/02
  15. 15. Boost Your Skills with On-Site Courses Tailored to Your Needs The Applied Technology Institute specializes in training programs for technical professionals. Our courses keep you current in the state-of-the-art technology that is essential to keep your company on the cutting edge in today’s highly competitive marketplace. For 20 years, we have earned the trust of training departments nationwide, and have presented on-site training at the major Navy, Air Force and NASA centers, and for a large number of contractors. Our training increases effectiveness and productivity. Learn from the proven best. ATI’s on-site courses offer these cost-effective advantages: • You design, control, and schedule the course. • Since the program involves only your personnel, confidentiality is maintained. You can freely discuss company issues and programs. Classified programs can also be arranged. • Your employees may attend all or only the most relevant part of the course. • Our instructors are the best in the business, averaging 25 to 35 years of practical, real- world experience. Carefully selected for both technical expertise and teaching ability, they provide information that is practical and ready to use immediately. • Our on-site programs can save your facility 30% to 50%, plus additional savings by eliminating employee travel time and expenses. • The ATI Satisfaction Guarantee: You must be completely satisfied with our program. We suggest you look at ATI course descriptions in this catalog and on the ATI website. Visit and bookmark ATI’s website at http://www.ATIcourses.com for descriptions of all of our courses in these areas: • Communications & Computer Programming • Radar/EW/Combat Systems • Signal Processing & Information Technology • Sonar & Acoustic Engineering • Spacecraft & Satellite Engineering I suggest that you read through these course descriptions and then call me personally, Jim Jenkins, at (410) 531-6034, and I’ll explain what we can do for you, what it will cost, and what you can expect in results and future capabilities. Our training helps you and your organization remain competitive in this changing world. Register online at www.aticourses.com or call ATI at 888.501.2100 or 410.531.6034

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