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Advancing Telescope Control Solution: REMOTES Module System

Explore the innovative REMOTES telescope solution, detailing its upgrade from slow drives to automatic failover processes, improved sensor technology, and universal management application. Discover the project's future evolution plans and advanced features for efficient observation control.

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Advancing Telescope Control Solution: REMOTES Module System

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Presentation Transcript

  1. Introduction to REMOTES:Reliable Modular Telescope Solution Michal Jakubec et al. AI AS Czech Republic CTU FEE Prague

  2. Agenda • Motivation & Objectives • Module Architecture • Software Support • D50 Control Solution • Future Evolution

  3. Motivation of D50 Rework (AS-IS) • Slow telescope drives( 0.8 deg/s) • No automatic failover processes • Operation completely based on PC control • No direct telescope position feedback

  4. Objectives of D50 Rework (TO-BE) • More powerful servo units( 20 deg/s) • Absolute position sensors on both axes ( 2.3 arcmin) • Incremental sensors with interpolation ( 1 arcsec) • Automatic failover mechanisms (telescope parking, closing of roof) It proves to be a really difficult challenge!

  5. Module as a Heart of Solution • Robust metal housingfor better durability and EMC • Peripheral board (optional) • Main board(mandatory) • Sockets,connectorsandcabling

  6. Main Board of the Module • Based on ATxmeta256A3 microcontroller(256 KB Flash, 16KB RAM) • Two 10 Mb/s Ethernet ports with PoE • Two RS-232/422 serial ports • 24 inputs/output for general use (GPIO) • JTAG for debugging Serial 1 JTAG Serial 2 GPIO GPIO Ethernet 1 Ethernet 2

  7. Designed for Reliability • Redundant Ethernet ports • Redundant power inlets (PoE) • Microcontroller battery backup • Continuous voltage monitoring • Power outage detection

  8. Ready for Maintenance • Small command set validfor all modules • Discoverable register setunique for each module • Complex commandsas user-defined macros • Commands independent on the type of comm. line • Universal management anddiagnosticapplication :> MOVE 12450 MOVE @0: SET TargetPosition = @0 SET Command = Slew WAITFOR State = Idle ASSERT CurrentPosition = Target Position END

  9. Universal ManagementApplication

  10. D50 Telescope Control Solution • Communication over redundant network • Directed by RTS2 control system over serial line • Mounting drivescontrol(hour angle,declination) • Site peripherals control(e.g. roofopen/close, weather detection)

  11. Members of the Project

  12. Future Evolution • Direct integration with imaging equipment(control of cameras, focusers, filter wheels) • Fowerful graphical software suite for complete observation control and monitoring • Support of TCP/IP protocol family • Physical network based on Fast Ethernet(100 Mb/s) • Choice of more powerful MCU platforms(ATxmegaA1, ARM, etc.)

  13. Conclusion • Motivation & Objectives • Module Architecture • Software Support • D50 Control Solution • Future Evolution Questions?

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