LSST Scheduler construction plan Francisco Delgado Sr. Software Engineer Telescope & Site

Scheduler Construction Plan Scheduler is WBS 04C Integrated in OCS construction plan 12 releases 16 weeks each average Constant Validation with SOCS Scheduler is WBS 04C Integrated in OCS construction plan 12 releases 16 weeks each average Constant Validation with SOCS 2

Scheduler release v0.2 Scripted Targets Implement Scheduler structure with interface Implement time handling Refactor and integrate observatory model Implement Scripted Proposal Integrate with simulator (SOCS) Scheduler release v0.2 Scripted Targets Implement Scheduler structure with interface Implement time handling Refactor and integrate observatory model Implement Scripted Proposal Integrate with simulator (SOCS) 3

Scheduler release v0.3 Area Distribution Proposals Refactor and integrate Astronomical Sky Integrate Observatory Model slew time estimations Implement Survey Conductor with slew time cost Refactor and integrate Area Distribution Science Proposals Integrate and benchmark performance with SOCS Scheduler release v0.3 Area Distribution Proposals Refactor and integrate Astronomical Sky Integrate Observatory Model slew time estimations Implement Survey Conductor with slew time cost Refactor and integrate Area Distribution Science Proposals Integrate and benchmark performance with SOCS 4

Scheduler release v1.0 Time Distribution Proposals Refactor and integrate Time Distribution Science Proposals Incorporate filter swaps during new moon Handle downtime Handle dynamic configuration Implement inter-proposal self balancing priority Incorporate weather telemetry handling Integrate with SOCS Scheduler release v1.0 Time Distribution Proposals Refactor and integrate Time Distribution Science Proposals Incorporate filter swaps during new moon Handle downtime Handle dynamic configuration Implement inter-proposal self balancing priority Incorporate weather telemetry handling Integrate with SOCS 5

Scheduler release v1.1 Look Ahead Area Distribution Support for previous release Implement deterministic look ahead data structure Implement Look Ahead algorithm for Area Distribution Proposals Integrate and test with SOCS Scheduler release v1.1 Look Ahead Area Distribution Support for previous release Implement deterministic look ahead data structure Implement Look Ahead algorithm for Area Distribution Proposals Integrate and test with SOCS 6

Scheduler release v1.2 Look Ahead Time Distribution Support for previous release Implement Look Ahead algorithm for Time Distribution Proposals Integrate and test with SOCS Scheduler release v1.2 Look Ahead Time Distribution Support for previous release Implement Look Ahead algorithm for Time Distribution Proposals Integrate and test with SOCS 7

Scheduler release v1.3 Performance Support for previous release Evaluate and implement performance enhancements Scheduler release v1.3 Performance Support for previous release Evaluate and implement performance enhancements 8

Scheduler release v1.4 Warm Start Support for previous release Implement warm start capability Implement image quality feedback handling Implement degraded operational modes Integrate and test with SOCS Scheduler release v1.4 Warm Start Support for previous release Implement warm start capability Implement image quality feedback handling Implement degraded operational modes Integrate and test with SOCS 9

Scheduler release v1.5 Dithering Support for previous release Implement Dithering algorithm Implement handling of spatial distribution for weather telemetry Integrate and test with SOCS Scheduler release v1.5 Dithering Support for previous release Implement Dithering algorithm Implement handling of spatial distribution for weather telemetry Integrate and test with SOCS 10

Scheduler release v2.0 Predicted Schedule Support for previous release Implement publication of future targets schedule Integrate and test with SOCS Scheduler release v2.0 Predicted Schedule Support for previous release Implement publication of future targets schedule Integrate and test with SOCS 11

Scheduler release v2.1 Weather Forecast Support for previous release Implement handling of weather forecast in look ahead algorithms Integrate and test with SOCS Scheduler release v2.1 Weather Forecast Support for previous release Implement handling of weather forecast in look ahead algorithms Integrate and test with SOCS 12

Scheduler release v2.2 Community Optimizations Support for previous release Implement generic interface for optimization algorithms Incorporate community provided optimizations Scheduler release v2.2 Community Optimizations Support for previous release Implement generic interface for optimization algorithms Incorporate community provided optimizations 13

Plan 100% Milestones Integrated with SOCS plan Release Version Date Dec Basic functionality Aug Functional Scheduler (targets) Mar Look-ahead AprDithering Jul Complete Requirements in Doc Feb Additional community reqs 14

Development Tools PMCS JIRA plan project JIRA work project Confluence Docushare Stash 15

OCS construction plan 16

Scheduler Interfaces to OCS 17 Scheduler Telemetry History Control Targets Image Quality OCS Application communications middleware TCS EFD DMCS OCS Sequencer Visits Sched Telem CCS Cmd Visits

Scheduler Interfaces to SOCS 18 Scheduler Telemetry History Control Targets Image Quality SOCS Kernel SOCS Kernel communications middleware SOCS Observatory Model SOCS Observatory Model SOCS Survey Database SOCS Survey Database SOCS Sequencer SOCS Sequencer Visits Sched Telem Cmd Visits SOCS Environment Model SOCS Environment Model SOCS Quality Simulator SOCS Quality Simulator

SOCS Internal Block Diagram 19 Simulation Kernel Survey Database SOCS Control Telemetry History Image Quality Visits Targets Sched Telem Sched Mode Downtime Degraded Targets Observatory conditions Environment conditions Forecast Quality parameters Past observations Current observation Sched Telem Quality Simulator Downtime Model Time Sequencer Observatory Model Kinematic model coordinates Environment Model Sky brightness coordinates Time Config Sched Config

Scheduler Internal Block Diagram Conductor Slew Time Scheduling Data Candidates Observation History Scheduler Control Telemetry History Image Quality Visits Targets Sched Telem Sched Mode Downtime Degraded Targets Observatory conditions Environment conditions Forecast Quality parameters Past observations Current observation Sched Telem Astronomical Sky Sky brightness coordinates Science Programs Value functions Cost functions Time Observatory Model Kinematic model coordinates Candidates Environment conditions Sched Config 20

Visit sequence Scheduler SOCS 21

Plan 80% Milestones Integrated with SOCS plan Dec Basic functionality Nov Functional Scheduler (targets) Jul Look-ahead OctDithering Feb Complete Requirements in Doc Nov Additional community reqs 22