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A Problem of Time and Telescopes

A Problem of Time and Telescopes. By: Tyler Yoshiyama Home Institution: UH Hilo Mentor: Ross Matoi. Just the Wrong Time?. AEOS pointed at Jupiter last week. Yesterday it failed to point at Jupiter. Today it points at Jupiter again. IMAGE MOUNT CONTROL (COMPUTES LOCATION OF OBJECTS).

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A Problem of Time and Telescopes

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  1. A Problem of Time and Telescopes By: Tyler Yoshiyama Home Institution: UH Hilo Mentor: Ross Matoi

  2. Just the Wrong Time? • AEOS pointed at Jupiter last week. • Yesterday it failed to point at Jupiter. • Today it points at Jupiter again.

  3. IMAGE MOUNT CONTROL (COMPUTES LOCATION OF OBJECTS) GUI (OBJECT) GPS (TIME) The Current Hardware TELESCOPE (LOOKS AT OBJECTS)

  4. My Project • Design a system to input any time into the Image Mount Control (IMC) • Independent of the IMC • Doesn’t change code in IMC • Tricks telescope

  5. IMC GUI MY SYSTEM IMC GPS The Time Setting System • Linux PC • Timer Card • C Code • TCL/TK GUI • Networking Feature TELESCOPE OTHER COMPUTERS

  6. The Coding Language • Tool Command Language • ToolKit

  7. Network • Uses User Datagram Packets (UDP) to send data • UDP is fast but doesn’t check for errors

  8. The Roadblocks • Had to learn to program in new environment • Had to learn TCL/TK • Driver didn’t compile initially • Managed to debug problem by adding one line of code

  9. Results • C program communicates with GUI and timer card • Time can be changed via GUI • Able to send and receive information from another computer

  10. Acknowledgements • Akamai Internship • Scott • Lynne • Lani • Everyone else in the program • Textron • Ross Matoi • Don Ruffato • Nathan Kimura • Everyone at Textron for being helpful and supportive • The Maui Akamai Internship Program is funded by the CfAO through NSF Science and Technology Center grant (#AST-987683) and by grants to the Akamai Workforce Initiative from the NSF & AFOSR (both administered by NSF, #AST-0710699) and from the University of Hawaii

  11. Thank You

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