1. LSST Scheduler requirements
Francisco Delgado
Sr. Software Engineer
Telescope & Site

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

3. Scheduler Internal Block Diagram
Sched Config
Scheduler
Conductor
Sched Mode
Control
Targets
Targets
Downtime
Degraded
Sched Telem
Cost functions
Sched Telem
Time
Slew Time
Telemetry
Observatory conditions
Observatory Model
Kinematic model
coordinates
Astronomical Sky
Sky brightness
coordinates
Environment conditions
Candidates
Scheduling Data
Forecast
Candidates
Science Programs
Value functions
Environment conditions
Image Quality
History
Quality parameters
Observation History
Past observations
Visits
Current observation 3

4. Requirements Flow down
Science Requirements Document
LPM-17
Science Book
Science Collaborations
LSST System Requirements
LSE-29
Metrics Requirements
DOC-15319
Observatory System Specifications
LSE-30
OpSim Requirements
DOC-15320
Observatory Control System Requirements
LSE-62
Scheduler Requirements
DOC-16282

5. Scheduler Requirements
2.1 Inputs Survey Parameters Scheduling Parameters System Parameters Internal Conditions External Conditions Performance Feedbacks

6. Scheduler Requirements
2.2 Outputs Next Target Predicted Schedule Scheduling Meta Data Survey Progress

7. Scheduler Requirements
2.3 Functional Requirements Observatory Model Update Observatory Model Scheduler History Science Proposals Sequences in Time Distribution Proposals Sky Brightness Model Update Sky Brightness Model

8. Scheduler Requirements
2.3.8 Cost Function Filter Swap Self-balancing Proposal Progress Deterministic Look Ahead Downtime Handling Warm start capability Dithering Operation in Event of Input Failure

9. Scheduler Requirements
2.4 Performance Requirements Speed 2.5 Attributes Multiple Scheduling Algorithms Algorithms from OpSim Optimizations from OpSim Global Survey Optimization