European Extremely Large Telescope - Status April 2009 - ESO.
European Solar Telescope Design Study
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Transcript of European Solar Telescope Design Study
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting
European Solar Telescope Design Study
End of Phase III MeetingWP 10300
Instrument Control System
Cosentino, R., Romano, P.Belluso, M., Comparato, M., Giorgi, F., Grivel, C., Laforgue, D., Paez, E.
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 2
Instrument Control Software Overview
The instruments are designed and constructed to be used simultaneously and synchronized.
There will be also a deep interaction among the ICS and some external sub-system developed by other sub-WPs
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 3
EST ICS architecture
Two options are available to send a command to ICS. In the former case an already defined configuration, i.e., list of commands and parameters, can be send to the ICS through the sequencer. In the latter case a generic user can select a configuration by the GUI. Moreover, the user can download a complete configuration and can use the GUI to modify some parameters or part of the setup.
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 4
ICS coordinator classes
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 5
Broad Band Imager
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 6
DevicesNumbe
r of devices
Type of movement Comments
Mechanism to insert appropriate optical
targets1 TBD
TBD if it will be common for all the instruments
Linear stage to switch between the two
different resolution modes
2 2 positionsMechanism: linear stage
TBC
Focus system 1or 2 LinearTBD, along the optical
axis
Filter wheels or linear stages
2 TBDThe number of slots is
TBD
Instrument sensors TBD N/A
hw controlled; temperature monitoring;environment monitoring
(TBD at ICS level?)
Filter electronic device
TBD N/Ahw controlled;
temperature monitoring
Linear stage for out of focus detector
1 Linear Along the optical axis
Detector controller 3 N/A 1 controller per detector
Crossed polarizer drive
1 or 2 rotation
1 in continuum sub channel and 1 (TBC) in
“narrow band” sub channel
Broad Band Imager
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 7
BB class diagram
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 8
BB use case
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 9
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 10
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 11
Narrow Band tunable filter Spectropolarimetr
DevicesNumber of
devicesType of
movement Comments
Stop wheel 1 rotational with 4 slots
Filter wheel for filtergram channel
1 rotational the number of slots is TBD
Filter wheel for continuum channel
1 rotational the number of slots is TBD
Pre filter tilt device 2 tilt tuning purpose
Focus drive 2 linearfor focusing purposes; with 2 linear stages
Linear stage for laser channel 1 linearto insert and remove the laser flip mirror
ICOS / controller of each FP 3 piezo3 actuators and 5 air capacitors; hw controlled and monitoring
Instrument sensors TBD N/Ahw controlled; temperature monitoring
Modulator package 2 linearto remove and insert the modulator and the Wollaston prism
Linear stage for etalons 3 linearto remove and insert an individual etalon
Tilt device for etalons 3 tilt to tilt an individual etalon
Tilt devices for collimator mirrors
2 tilt for collimation purposes
High precision rotation table 1 rotational for alignment purposes
Crossed polarizer drive 1 rotational to adjust the light level
Detector controller 2 N/A 1 controller per detector (TBC)
Linear stage for out of focus detector (TBC)
1 Linear Along the optical axis
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 12
NB class diagram
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 13
NB use case
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 14
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 15
Grating Spectropolarimeter
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 16
SP class diagram
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 17
GS use case
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 18
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 19
Deployment diagram
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Freiburg, 17-20 May 2011 EST Design Study. End of Phase-III Meeting 20
Plan for the next future
• Detailed definition of classes and methods
• Implementation of instrument simulator
• Development of instrument control system in “simulation mode” (prototyping)
• Test of the communication software
• Final design of the node deployment
• Reliability and failure analysis of critical parts
• Development of instrument user interfaces (GUI)