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10/20/2008 LBT Q Engineering and Software Review Progress (Q3/2008) Hire open EE position (not yet) Hire open EE position (not yet) PMCD review (postponed) PMCD review (postponed) Test RFBG rotator √ Test RFBG rotator √ Support aluminizing √ Support aluminizing √ Commission LFBG rotator & cable chain √ (open action items) Commission LFBG rotator & cable chain √ (open action items) Diagnose SX mirror cell motion problems √ Diagnose SX mirror cell motion problems √ M3 M3 Install unit #2 cell √ Install unit #2 cell √ Replace unit #1 motor √ Replace unit #1 motor √ Reinstall and align unit #1 √ Reinstall and align unit #1 √ Support LUCIFER installation √ Support LUCIFER installation √ Install –Z counterweights √ Install –Z counterweights √ DYB punch list √ DYB punch list √
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10/20/200810/20/2008 LBT Q3 2008 Engineering and SoLBT Q3 2008 Engineering and Software Reviewftware Review
LBT Q3 2008 LBT Q3 2008 Engineering and Software Engineering and Software
ReviewReviewENGGENGG
Engineering GeneralEngineering General
10/20/200810/20/2008 LBT Q3 2008 Engineering and SoLBT Q3 2008 Engineering and Software Reviewftware Review
Highlights (Q3/2008)Highlights (Q3/2008) Installed LFBG cable chain and commissioned LFBG rotator and Installed LFBG cable chain and commissioned LFBG rotator and
cable chain. The rotator and cable chain has performed very well.cable chain. The rotator and cable chain has performed very well. Completed all Engineering goals necessary to get LUCIFER on the Completed all Engineering goals necessary to get LUCIFER on the
skysky Installed and tested RFBG rotatorInstalled and tested RFBG rotator Identified and corrected (a/the?) SX PMC positioning problemIdentified and corrected (a/the?) SX PMC positioning problem The “super hardpoint” conceptual design is now nearly completeThe “super hardpoint” conceptual design is now nearly complete Fixed MCS elevation strip encoder issueFixed MCS elevation strip encoder issue Found and corrected the source of the M3 rotation axis stictionFound and corrected the source of the M3 rotation axis stiction Replaced damaged SX M3 motorReplaced damaged SX M3 motor Integrated DX M3 mirror cell into corresponding M3 unitIntegrated DX M3 mirror cell into corresponding M3 unit Finalized the design and ordered the DG rotator ISSFinalized the design and ordered the DG rotator ISS Specified and ordered the DG rotator encoder tapesSpecified and ordered the DG rotator encoder tapes Fabricated and installed –Z weight stationsFabricated and installed –Z weight stations Provided support for a successful SX aluminizingProvided support for a successful SX aluminizing
10/20/200810/20/2008 LBT Q3 2008 Engineering and SoLBT Q3 2008 Engineering and Software Reviewftware Review
Progress (Q3/2008)Progress (Q3/2008) Hire open EE position (not yet)Hire open EE position (not yet) PMCD review (postponed)PMCD review (postponed) Test RFBG rotator Test RFBG rotator √√ Support aluminizing √Support aluminizing √ Commission LFBG rotator & cable chain √ (open action Commission LFBG rotator & cable chain √ (open action
items)items) Diagnose SX mirror cell motion problems √Diagnose SX mirror cell motion problems √ M3M3
Install unit #2 cell √Install unit #2 cell √ Replace unit #1 motor √Replace unit #1 motor √ Reinstall and align unit #1 √Reinstall and align unit #1 √
Support LUCIFER installation √Support LUCIFER installation √ Install –Z counterweights √Install –Z counterweights √ DYB punch list √DYB punch list √
10/20/200810/20/2008 LBT Q3 2008 Engineering and SoLBT Q3 2008 Engineering and Software Reviewftware Review
Open IssuesOpen Issues TechnicalTechnical
Gregorian vibrationGregorian vibration System reliability needs improvementSystem reliability needs improvement
HBSHBS MCS MCS M3M3
ScheduleSchedule So many subsystems / so little commissioning timeSo many subsystems / so little commissioning time Telescope schedule increasingly competitiveTelescope schedule increasingly competitive DG rotator schedule has no contingencyDG rotator schedule has no contingency
FinancialFinancial Instrument rotators have eaten this year’s budgetInstrument rotators have eaten this year’s budget `09 budget allocation lower than requested `09 budget allocation lower than requested
ResourceResource Group work load highGroup work load high Open EE positionOpen EE position Resources may be insufficient to commission all subsystems Resources may be insufficient to commission all subsystems
on the current timetableon the current timetable
10/20/200810/20/2008 LBT Q3 2008 Engineering and SoLBT Q3 2008 Engineering and Software Reviewftware Review
Planning (Q4/2008)Planning (Q4/2008) Complete bulk of DG rotator and cable chain design (some details Complete bulk of DG rotator and cable chain design (some details
will spill over into Q1/09)will spill over into Q1/09) Address all LFBG rotator and cable chain commissioning action Address all LFBG rotator and cable chain commissioning action
itemsitems Complete “super hardpoint” conceptual designComplete “super hardpoint” conceptual design Hold a review of the “super hardpoint” designHold a review of the “super hardpoint” design Build a prototype “super hardpoint” with mechanics and Build a prototype “super hardpoint” with mechanics and
electronicselectronics PMCD review (handover late in Q4/08 or early Q1/09)PMCD review (handover late in Q4/08 or early Q1/09) Install and tune all HBS capillariesInstall and tune all HBS capillaries Implement a new vibration monitoring systemImplement a new vibration monitoring system Understand the source of the Gregorian vibrationUnderstand the source of the Gregorian vibration Develop and test a prototype of a new shutter latching mechanismDevelop and test a prototype of a new shutter latching mechanism Make several MCS - DSP/FPGA improvements (continue into Q1/09)Make several MCS - DSP/FPGA improvements (continue into Q1/09) DYB documentation reviewDYB documentation review DYB handover (depends on ETS resources)DYB handover (depends on ETS resources) Fill open EE positionFill open EE position
