1. David Kaslow - Analytical Graphics Inc. dkaslow@agi.com
COTS Implementation of a Sensor Planning Service GetFeasibility Operation – Interim Status #2
David Kaslow - Analytical Graphics Inc.
Satellite
System
Tool Kit (STK)
Time-dynamic, physics-based modeling, analysis, and visualization of land, sea, air and space systems 1

2. Topics COTS Web-Based Sensor Planning Service (SPS) AGI Components
(COTS Capabilities)
Interface
Similar Schema
AGI Standard
Object Catalog (SOC)
SOC Supports COTS SPS
Currently Populated with Satellites and Facilities
Including Exiting Optical & Radar Satellites
Imager Characteristics and Models
Supports AGI’s Satellite Took Kit (STK)
Modeling and Simulation of Space, Ground, Air and Sea Based Scenarios
Public Accessible
FireSat Satellite System SysML Model
Detect, Identify, and Monitor Forest Fires
AGI Components
(COTS Capabilities)
Interface

3. Population of and Access to SOC
COTS SPS
Satellite Took Kit
Plug-In
Standard Object Catalog
SOC Web Site
Search
Results
Comments
Internet
Browser
User
Object Build
STK Objects
XML Docs
Review, Feedback, Reconcile
Data Team
Generate XML Document
Manually Populate Staging Database
Data Team
Spacecraft Staging DB
Populate XML Document
Submit for Approval
User

4. SOC Contents Catalog : Contents to Date
1200 Satellites Active, Not Active, Planned Years
949 Facilities
Ground Station Launch Site Radar Station Laser Station Optical Tracking Station
188 Earth Observation
186 Technical Development
102 Scientific
618 Communication
84 Navigation
26 Weather
Earth Obs Payload Operations Modeled
44 Optical
40 Unique
81 Sensors
68 Unique
116 Operating Modes
100 Unique
Optical Operating Mode:
Combination of sensor, spectrum, projected field of view, ground resolution
15 Radar
9 Unique
66 Operating Modes
46 Unique
Radar Operating Mode:
Spotlight, StripMap, … 4 4

5. COTS Sensor Planning Service
Request & Response
Get Capabilities
Describe Tasking
Get Feasibility
COTS Web-Based Sensor Planning Service (SPS)
AGI Components
(COTS Capabilities)
Interface
AGI Standard
Object Catalog
Exiting Optical & Radar Satellites
Imager Characteristics and Models
OGC Sensor Web Enablement Initiative:
Standards for Interacting with Web-Connected Sensors
FireSat Satellite System SysML Model
Detect, Identify, and Monitor Forest Fires
AGI Components
(COTS Capabilities)
Interface

6. OGC Sensor Web Enablement
Standards and Services for Interacting With Web-Connected Sensors and Sensor Systems – Space, Ground, Sea, Air
User
Sensor Planning Service
Registries
SPS
SOS
SAS
Sensor Mgt
System
Sensors
Sensor Observation Service
Sensor Observation Repository
Sensor Alert Service 6

7. Sensor Planning Service Overview
User
XML Documents
Sensor Planning Services
Operation Request
COTS
Discover Sensors
Formulate Collection Task
Determine Feasibility of Collection Task
Operation Response
Exceptions
SPS Application Spec
Description of Operations
Definition of Parameters
XML Schema
Example XML Documents
Schema
Sensor Planning Service
OGC Web Service
Geographic Markup Lang.
SWE Common Data Types
XML Linking Language
Submit Collection Task
Inquire About Status
Inquire About Accessing Data Collected
Update Collection Task
Cancel Collection Task
User – SPS Interface
OGC r3
OGC Web Site 7

8. Role of the COTS GetFeasibility Operation
User
Planning: One source for creating list of candidate satellite / sensors
Satellite / Sensor Catalog
Commercial & Governmental -
SPS Enabled or Not
COTS SPS
Discover Sensors
Formulate Collection Task
Determine Feasibility
Candidate Data Providers: DP#2, #4, #5, #7, #10, #12
Not selected - Insufficient ground resolution
DP #2
DP #4
Not selected - Other DPs have nearer-term access 8

9. Role of the COTS GetFeasibility Operation
Scheduling
Final selection and tasking / order is through services of individual Data Providers
User
DP #5 SPS Enabled
Not selected - Cannot schedule until out-days
Formulate Collect. Task
Determine Feasibility
DP #7 SPS Enabled
Formulate Collect. Task
Determine Feasibility
Submit Task
Selected
DP #10 Not SPS Enabled
Submit Order
Selected
DP #12 Not SPS Enabled
Selected - With acquisition times that force desired acquisition conditions
Submit Order 9

10. FireSat Satellite System
COTS Web-Based Sensor Planning Service
AGI Components
(COTS Capabilities)
Interface
AGI Standard
Object Catalog
Exiting Optical & Radar Satellites
Imager Characteristics and Models
INCOSE MBSE Pilot Projects
AGI, InterCAX, JPL team
INCOSE - International Council on Systems Engineering
MBSE - Model Based Systems Engineering
Similar Schema
Setup of Scenario Elements
Mission Sats and Payloads
Relay Satellites and Ground Stations
Features of Interest, e.g. Continental U.S.
Request & Response
Feature Accessibility & Coverage
FireSat Satellite System SysML Model
Detect, Identify, and Monitor Forest Fires
AGI Components
(COTS Capabilities)
Interface

11. Prototype Data Exchange Specified by Schema
SysML Model Interface Prototype
Interface Prototype
Data Exchange
Cache Interface
Scenario Cache
Setup Sys Elements
Scenario Elements
Accessibility Request/Response
Determine Accessibility
Components Interface
AGI Components
Feature Coverage Request/Response
Determine Coverage
Data Exchange Specified by Schema
Accessibility Chain Response
Access Interval Start / Stop Times
Scenario Elements Initialization
Spacecrafts
Imaging Payloads
Features of Interest
Relay Sats
Ground Stations
Scenario Times
Accessibility Chain Request
Scenario Elements
Feature Coverage Response
Coverage by Area and by Percent
Min, Max & Avg Response Time
Min, Max & Avg Revisit Time
Coverage by Time Interval
Feature Coverage Request
Feature of Interest Name
Spacecraft & Payload Names
Figure of Merit Request

12. Prototype Design of FireSat SysML Model and AGI Components
Candidate Interface to AGI Components
Candidate FireSat SysML Model Prototype
Elements Setup
Cache Interface
FireSat System Elements Pool
Elements Selection
Accessibility & Coverage Queries
Scenario Elements Cache
Measures of Effectiveness
Area Covered
Revisit Time
Power Margin
Memory Margin
Data Analysis
Coverage Roll-up
Comm Usage
Memory Usage
Power Usage
Components Interface
AGI Components

13. Prototyping of SysML Interface with AGI Components
SysML Model – AGI Components – Single Executable
SysML Model
AGI Components & Insight3D
Orbital Parameters
Grd Station Position
Specification of Satellite Orbit Parameters
Ground Station Position
Calculate Satellite Orbit & Satellite / Ground Station Accessibility
Display of Satellite / Ground Station Access Intervals
Satellite / Grd Station Accesses
Dynamic Display of Satellite Orbiting Earth & Access to Grd Station
ParaMagic from InterCAX
MagicDraw from No Magic
Demonstrated at INCOSE MBSE Workshop in February 2011
Related Paper: Bajaj, M., “SLIM - A Collaborative, Model-Based Systems Engineering Workspace for Next-Generation Complex System”, 2011 IEEE Aerospace Conf.

14. Future Work Upgrade Standard Object Catalog
Simplify XML to aid in user population and search
Conform to ISO Standards: SI units, date time / duration
Provide capability for user to submit XML document
Prototype a SysML model of CubeSat
Reactivate prototype of COTS Sensor Planning Service 14 14