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TCS Software Design Review

TCS Software Design Review. Have we understood all the requirements? Do we understand all the quirks of the hardware? Is the design capable of doing the job? Can it be completed with the available resources? Can it be commissioned in an acceptable time?

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TCS Software Design Review

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  1. TCS Software Design Review

  2. Have we understood all the requirements? • Do we understand all the quirks of the hardware? • Is the design capable of doing the job? • Can it be completed with the available resources? • Can it be commissioned in an acceptable time? • Can this system be supported & maintained?

  3. Sky position (in RA,Dec) Coord conversion & Pointing model Demand posn (in encoder units) Autoguider Servo system Drive motors Instrument computer(s) Encoders

  4. TCS Rate generator Drive motors Encoders 1970s

  5. TCS Rate generator CAMAC Drive motors ICS Encoders 1970s

  6. TCS Rate generator CAMAC Drive motors (TEL) Encoders VAX 1980s

  7. UNIX TCS Rate generator ? Drive motors Encoders Late 1990s

  8. UNIX (PTCS) (THI) Auto- guider TCS Rate generator Drive motors CCSGATE Encoders Early 2000s

  9. GUI Telescope independent Instruments PTCS Telescope dependent THI Hardware

  10. RA, Dec GUI Telescope independent Instruments PTCS Axis positions in radians Telescope dependent THI Encoder units, Motor voltages Hardware

  11. (3) Kick with demand positions (2) Trigger with axis positions (4) Servo control (1) Read encoders GUI Instruments PTCS THI Hardware

  12. UNIX (PTCS) (THI) Auto- guider TCS Rate generator Drive motors CCSGATE Encoders Early 2000s

  13. (PTCS) Auto- guider TCS Drive motors (THI) Encoders 2007 onwards

  14. AAT-specific issues 1) Drive and Encoders

  15. AAT-specific issues Drive and Encoders AAT pointing terms

  16. Implementation

  17. Initial obey Stage 1 Last stage Stage 2 Restage Please Restage Restage Please An ADAM/DRAMA Staged Action Restage Finished

  18. Initial obey Initial obey Stage 1 Last stage Stage 2 Stage 1 Stage 2 Restage Please Restage Please Restage Restage Restage Please Restage Please ADAM/DRAMA Concurrent Actions Restage Finished

  19. Initial obey Initial obey Stage 1 Last stage Stage 2 Stage 1 Cancel Restage Please Restage Please Restage Restage Please ADAM/DRAMA Cancelling an Action Cancel ‘Kick’ Restage Finished Finished

  20. Testing

  21. Sky position (in RA,Dec) Coord conversion & Pointing model Servo loop tests Demand posn (in encoder units) TPOINT reverse conversion in Simulator Same sky position (in RA,Dec) ?

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