PPT-Thruster failure recovery strategies

for libration point missions Maksim Shirobokov Keldysh Institute of Applied Mathematics Moscow Institute of Physics and Technology Sergey Trofimov Keldysh Institute of Applied Mathematics. This light weight gimbal mechanism is equipped with flexible xenon propellant lines and features numerous thermal control features for all its critical components Unique thermal profiles and operating environments have been the key design drivers fo Runhui. Li, . Jian. Lin. , Patrick P. C. Lee. The Chinese University of Hong Kong. MSST’13. Motivation. Large-scale distributed storage systems are widely used in enterprises (e.g., GFS, Azure) . in single and interacting networks. Collaborators:. B. Podobnik L. Braunstein . S. Havlin I. Vodenska. S. V. Buldyrev C. Curme. D. Kenett S. Levy-Carciente. McGraw-Hill/Irwin. Service Recovery. The Impact of Service Failure and Recovery. How Customers Respond to Service Failures. Service Recovery Strategies: Fixing the Customer. Service Recovery Strategies: Fixing the Problem. Yevgeny Raitses. Princeton Plasma Physics Laboratory. Princeton, New Jersey . 16. th. International Conference on Ion Sources, New York City, NY, August 28, 2015. Outline. Hall thruster. Status quo. Propulsion. Perspectives on Achievable Performance. Minimum energy expenditure in taking 1 kg of mass. to Earth Orbit : 9kWh. To Earth Escape : 18kWh. (Is this true? Please check!). Chemical energy depends of mass of propellant used – upper limit on. Chapter -19 . Summary . What is failure? . Why failures happen?. How do we measure failures?. Detection and analysis of failures.. How operations can improve their reliability?. How should the operations should recover from the failures? . Cold Gas System. How the System Creates Propulsion. The system creates propulsion using an inert gas such as Nitrogen or Helium as the fuel.. The gas is stored under high pressure, then sent to the thruster which releases the gas.. the Rocket Equation with Photons. ykbae@ykbcorp.com. 714-838-2881. www.ykbcorp.com. Future In-Space Operation Colloquium. November 9. th. 2016. Credit: NASA. Young K. Bae, Ph.D.. CEO. Y.K. Bae Corp. RAMCloud. Motivation. The role of DRAM has been increasing. Facebook used 150TB of DRAM. For 200TB of disk storage. However, there are limitations. DRAM is typically used as cache. Need to worry about consistency and cache misses. Database Recovery. 1 Purpose of Database Recovery. To bring the database into the last consistent state, which existed prior to the failure.. To preserve transaction properties (Atomicity, Consistency, Isolation and Durability).. Steve . Feketa. June 2012. 2. Agenda. Frequently Asked Questions. Applications . Accessories and Options. Specifications . Benefits and Features. LDAT-Series Integrated Linear Thruster. The LDAT-Series Integrated Linear Thruster is . CSC 585-High Availability and Performance Computing. 2012. Outline. Introduction. Requirements/Considerations. Categories. Benefits. Strategies. Precautionary . measures. Vendors and products/tools. Questions. Chapter -19 . Summary . What is failure? . Why failures happen?. How do we measure failures?. Detection and analysis of failures.. How operations can improve their reliability?. How should the operations should recover from the failures? .