LBT Q1 2008 Eng/SW LBT Q1 2008 Eng/SW ReviewReview

ROT - RotatorsROT - Rotators

4-Apr-20084-Apr-2008 LBT Q1 2008 Eng/SW ReviewLBT Q1 2008 Eng/SW Review

HighlightsHighlights First BG rotator installedFirst BG rotator installed BG cable chain development BG cable chain development

proceedingproceeding The MCSPU can make the LUCIFER The MCSPU can make the LUCIFER

rotator Hold, Slew and Trackrotator Hold, Slew and Track PCS can command the LUCIFER rotatorPCS can command the LUCIFER rotator The engineering interface has 6 rotator The engineering interface has 6 rotator

pages and over 50 rotator commandspages and over 50 rotator commands

4-Apr-20084-Apr-2008 LBT Q1 2008 Eng/SW ReviewLBT Q1 2008 Eng/SW Review

ProgressProgress

Complete first BG integration Complete first BG integration √√ Complete first BG telescope installation Complete first BG telescope installation √√ Prepare for first BG commissioning Prepare for first BG commissioning Complete BG cable chain prototype Complete BG cable chain prototype Begin DG detailed mechanical design Begin DG detailed mechanical design √√ Additional ProgressAdditional Progress

LUCIFER rotator now controlled by MCSPU / PCS LUCIFER rotator now controlled by MCSPU / PCS √√ Rotator telemetry functional (though not though TEL) Rotator telemetry functional (though not though TEL) √√ Rotator software integrated with mount software Rotator software integrated with mount software √√ Built/tested/installed Reef Interface Module (one channel) Built/tested/installed Reef Interface Module (one channel) √√ Tested/installed prototype Rotator Interface Module Tested/installed prototype Rotator Interface Module √√ Tested/installed prototype Power Driver Module Tested/installed prototype Power Driver Module √√ Built/partially tested second Rotator Interface Module Built/partially tested second Rotator Interface Module √√

Developed microcontroller functional test software Developed microcontroller functional test software √√ Completed Rotator Interface Module VHDL code Completed Rotator Interface Module VHDL code √√ Manufactured additional GPCOM boards Manufactured additional GPCOM boards √√

Built second and partially built third Power Driver Module Built second and partially built third Power Driver Module √√

4-Apr-20084-Apr-2008 LBT Q1 2008 Eng/SW ReviewLBT Q1 2008 Eng/SW Review

Open IssuesOpen Issues

TechnicalTechnical BG: Issues in software/electronicsBG: Issues in software/electronics

Linux kernel stabilityLinux kernel stability Rotator CPP causes servo thread to terminateRotator CPP causes servo thread to terminate Rotator/mount integration – Rotators change azimuth behaviourRotator/mount integration – Rotators change azimuth behaviour Very little run time, more issue expected to emergeVery little run time, more issue expected to emerge

BG: Cable chain still high riskBG: Cable chain still high risk DG: NoneDG: None

ScheduleSchedule Schedule is very tightSchedule is very tight

BudgetBudget NoneNone

ResourceResource Limited people to support BG completion Limited people to support BG completion andand DG design DG design Competition with other projects (Swing Arms, Counter Weight, Gregorian SW Competition with other projects (Swing Arms, Counter Weight, Gregorian SW

Testing, etc.)Testing, etc.) Availability of telescope for testing / commissioningAvailability of telescope for testing / commissioning

4-Apr-20084-Apr-2008 LBT Q1 2008 Eng/SW ReviewLBT Q1 2008 Eng/SW Review

Planning (Q2/2008)Planning (Q2/2008)

Complete BGR2 lab integrationComplete BGR2 lab integration Complete BG cable chain designComplete BG cable chain design Complete BG cable chain integration Complete BG cable chain integration Install SX BG cable chain on telescopeInstall SX BG cable chain on telescope Complete DGR detailed mechanical designComplete DGR detailed mechanical design Start manufacture of large DGR structureStart manufacture of large DGR structure Order other DGR long lead itemsOrder other DGR long lead items Test/install second set of rotator electronicsTest/install second set of rotator electronics Rev. Power Drive Module relay boardRev. Power Drive Module relay board Debug integrated rotator/mount softwareDebug integrated rotator/mount software Test/debug software for new Rotator Interface Module featuresTest/debug software for new Rotator Interface Module features Test/debug cable chain softwareTest/debug cable chain software Develop/test and debug Rotator Interface Module microcontroller softwareDevelop/test and debug Rotator Interface Module microcontroller software Define numerous events in the Event Logging SystemDefine numerous events in the Event Logging System Many shared memory variables need to be created to communicate rotator status Many shared memory variables need to be created to communicate rotator status

info to the rest of the TCSinfo to the rest of the TCS Update the software specificationUpdate the software specification GUI (Q3 or Q4?)GUI (Q3 or Q4?)