LBT Q Engineering/Software Review ROTRotators

21-Jul-2008LBT Q Engineering Review Highlights (Q2/2008) SX BG cable chain and DX rotator installed SX BG cable chain and DX rotator installed BG cable chain tested in lab BG cable chain tested in lab DG development, ISS out to bid DG development, ISS out to bid Mucho s/w and electronics functionality added Mucho s/w and electronics functionality added

21-Jul-2008LBT Q Engineering Review Open Issues Technical Technical BG: Numerous small details to attend to BG: Numerous small details to attend to DG: Must complete design DG: Must complete design DG: Cable chain scaling uncertain DG: Cable chain scaling uncertain Bittware/Jungo DSP driver still has issues, changing behavior at initialization on new releases. Bittware/Jungo DSP driver still has issues, changing behavior at initialization on new releases. Behavior with L/R FBG together unknown for overall system throughput. Behavior with L/R FBG together unknown for overall system throughput. Schedule Schedule BG: Commissioning will be revealing, no time to fix problems properly BG: Commissioning will be revealing, no time to fix problems properly DG: Schedule pushed to reduce cost DG: Schedule pushed to reduce cost

21-Jul-2008LBT Q Engineering Review Open Issues (cont.) Financial Financial Cable chain and DG components exceeding budget Cable chain and DG components exceeding budget Resource Resource Competition with other projects Competition with other projects Availability of telescope for commissioning Availability of telescope for commissioning

21-Jul-2008LBT Q Engineering Review Progress (Q2/2008) Complete BGR2 lab integration  Complete BGR2 lab integration  Complete BG cable chain design  Complete BG cable chain design  Complete BG cable chain integration  Complete BG cable chain integration  Install SX BG cable chain on telescope  Install SX BG cable chain on telescope  Complete DGR detailed mechanical design Complete DGR detailed mechanical design Start manufacture of large DGR structure Start manufacture of large DGR structure Order other DGR long lead items Order other DGR long lead items

21-Jul-2008LBT Q Engineering Review Progress (Q2/2008) “jet” kernel stability improved “jet” kernel stability improved Non-maskable interrupt crashes rare Non-maskable interrupt crashes rare FPGA DMA problem resolved, fixing AZ behavior and telemetry holes FPGA DMA problem resolved, fixing AZ behavior and telemetry holes Cable chain code added to rotator DSP code Cable chain code added to rotator DSP code Rotator->Linux interrupts now synchronous, eliminating hangs. Rotator->Linux interrupts now synchronous, eliminating hangs CANbus, ADC and DAC software operating CANbus, ADC and DAC software operating.

21-Jul-2008LBT Q Engineering Review Planning (Q3/2008) Commission SX BG rotator/cable chain Commission SX BG rotator/cable chain Address known issues Address known issues Complete DG rotator/cable chain design Complete DG rotator/cable chain design Start manufacture of large DGR structure Start manufacture of large DGR structure Order other DGR long lead items Order other DGR long lead items Build out electronics modules Build out electronics modules

21-Jul-2008LBT Q Engineering Review Planning (Q3/2008) (cont.) Test Cable Chain control on the telescope Test Cable Chain control on the telescope Finish adding events for rotators and Cable Chain Finish adding events for rotators and Cable Chain Add a Rotator control/status GUI to MCSGUI (Q4+) Add a Rotator control/status GUI to MCSGUI (Q4+) Test Cable Chain control on the telescope. Test Cable Chain control on the telescope. Finish full implementation of 8051 (LCD, serial console, refined CANbus timeouts) Finish full implementation of 8051 (LCD, serial console, refined CANbus timeouts) Upgrade “jet” to new Linux. Upgrade “jet” to new Linux.