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2011 IEEE Aerospace ConferencePaper #1264
System
11
David Kaslow - Analytical Graphics Inc. [email protected]
COTS Implementation of a Sensor Planning Service GetFeasibility Operation
– Interim Status #2
Time-dynamic, physics-based modeling, analysis, and visualization of
land, sea, air and space systems
Tool Kit (STK) Satellite
2011 IEEE Aerospace ConferencePaper #1264
2
Topics
FireSat Satellite System SysML Model
Detect, Identify, andMonitor Forest Fires
AGIComponents
(COTS Capabilities)
Interface
AGIStandard
Object Catalog (SOC)
COTS Web-Based Sensor Planning Service (SPS)
AGIComponents
(COTS Capabilities)
Interface
• Supports AGI’s Satellite Took Kit (STK)
• Modeling and Simulation of Space, Ground, Air and Sea Based Scenarios
• Public Accessible
• SOC Supports COTS SPS
‒ Currently Populated with Satellites and Facilities‒ Including Exiting Optical & Radar Satellites ‒ Imager Characteristics and Models
Similar Schema
2011 IEEE Aerospace ConferencePaper #1264
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Population of and Access to SOC
SatelliteTook Kit
Plug-In
Standard Object Catalog
STK Objects
COTS SPS
Generate XML Document
Spacecraft Staging
DB
Manually Populate Staging
Database
Data Team
SOCWeb Site
XML Docs
Search
Results
Comments
Internet
Brow
ser
User
Populate XML
Document
Submit for Approval User
Review, Feedback, Reconcile Data
Team
Object Build
http://soc.agi.com/
2011 IEEE Aerospace ConferencePaper #1264
44
SOC Contents Catalog : Contents to Date
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, …
949 Facilities
Ground Station Launch Site Radar Station Laser Station Optical Tracking Station
1200 Satellites
Active, Not Active, Planned
Years 1990-2011
188 Earth Observation
186 Technical Development
102 Scientific
618 Communication
84 Navigation
26 Weather
2011 IEEE Aerospace ConferencePaper #1264
5
COTS Sensor Planning Service
OGC Sensor Web Enablement Initiative:
Standards for Interacting with Web-Connected
Sensors
FireSat Satellite System SysML Model
Detect, Identify, andMonitor Forest Fires
AGIComponents
(COTS Capabilities)
Interface
COTS Web-Based Sensor Planning Service (SPS)
AGIComponents
(COTS Capabilities)
Interface
AGIStandard
Object CatalogExiting Optical & Radar Satellites
Imager Characteristics
and Models
Request & Response
Get Capabilities
Describe Tasking
Get Feasibility
2011 IEEE Aerospace ConferencePaper #1264
66
OGC Sensor Web Enablement
User
Sensor PlanningService
SensorObservation
Service
Sensor AlertService
SensorMgt
SystemSensors
SensorObservationRepository
Registries
SPS
SOS
SAS
Standards and Services for Interacting With
Web-Connected Sensors and Sensor Systems – Space, Ground, Sea, Air
2011 IEEE Aerospace ConferencePaper #1264
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Sensor Planning Service Overview
7
Sensor Planning Services
Discover Sensors
Formulate Collection Task
Determine Feasibilityof Collection Task
Submit Collection Task
Inquire About Status
Inquire About AccessingData Collected
Update Collection Task
Cancel Collection Task
User
XML Documents
Operation Request
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 LanguageUser – SPS Interface
OGC 07-014r3OGC Web Site
COTS
2011 IEEE Aerospace ConferencePaper #1264
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Role of the COTS GetFeasibility Operation
Satellite / Sensor Catalog
Commercial & Governmental -
SPS Enabled or Not
COTSSPS
Discover SensorsFormulate Collection Task
Determine Feasibility
Not selected -Insufficient ground resolution
DP #2
DP #4Not selected - Other DPs havenearer-term access
Planning:One source for creating list of candidate satellite / sensors
User
Candidate Data Providers:DP#2, #4, #5, #7, #10, #12
2011 IEEE Aerospace ConferencePaper #1264
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Role of the COTS GetFeasibility Operation
DP #12Not SPS Enabled
Selected -With acquisition timesthat force desiredacquisition conditions
Submit Order
User
DP #7SPS Enabled
Formulate Collect. TaskDetermine Feasibility
Submit TaskSelected
DP #10Not SPS EnabledSubmit Order Selected
DP #5SPS Enabled
Not selected -Cannot scheduleuntil out-days
Formulate Collect. TaskDetermine Feasibility
Scheduling
Final selection and tasking / order is through services of individual Data Providers
2011 IEEE Aerospace ConferencePaper #1264
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FireSat Satellite System
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
AGIStandard
Object CatalogExiting Optical & Radar Satellites
Imager Characteristics
and Models
Similar Schema
FireSat Satellite System SysML Model
Detect, Identify, andMonitor Forest Fires
AGIComponents
(COTS Capabilities)
Interface
COTS Web-Based Sensor Planning
Service
AGIComponents
(COTS Capabilities)
Interface
• INCOSE MBSE Pilot Projects
• AGI, InterCAX, JPL team
- INCOSE - International Council on Systems Engineering
- MBSE - Model Based Systems Engineering
2011 IEEE Aerospace ConferencePaper #1264
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Prototype Data Exchange Specified by Schema
Data Exchange Specified by Schema
Scenario Elements Initialization
Spacecrafts
Imaging Payloads
Features of Interest
Relay Sats
Ground Stations
Scenario Times
Feature Coverage Response
Coverage by Area and by Percent
Min, Max & Avg Response Time
Min, Max & Avg Revisit Time
Coverage by Time Interval
Accessibility Chain Response
Access Interval Start / Stop TimesAccessibility Chain Request
Scenario Elements
Feature Coverage Request
Feature of Interest Name
Spacecraft & Payload Names
Figure of Merit Request
Interface Prototype
Components Interface
AGI Components
Cache Interface
Scenario Cache
SysML ModelInterface Prototype
Setup Sys Elements
Determine Accessibility
Determine Coverage
Data Exchange
Feature Coverage Request/Response
AccessibilityRequest/Response
Scenario Elements
2011 IEEE Aerospace ConferencePaper #1264
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Candidate Interface toAGI Components
Cache Interface
Components Interface
AGI Components
Scenario Elements
Cache
Prototype Design of FireSat SysML Modeland AGI Components
Candidate FireSatSysML Model Prototype
Measures of Effectiveness
Area Covered
Revisit Time
Power Margin
Memory Margin
FireSat System Elements Pool
Elements Setup
Elements Selection
Accessibility & Coverage Queries
Data Analysis
Coverage Roll-up
Comm Usage
Memory Usage
Power Usage
2011 IEEE Aerospace ConferencePaper #1264
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Prototyping of SysML Interface with AGI Components
SysML Model – AGI Components – Single Executable
SysML Model
Specification of Satellite Orbit Parameters
Ground Station Position
Display of Satellite / Ground Station Access
Intervals
AGI Components & Insight3D
Calculate Satellite Orbit & Satellite / Ground Station
Accessibility
Dynamic Display of
Satellite Orbiting Earth &
Access to Grd Station
Satellite / Grd Station Accesses
Orbital Parameters
Grd Station Position
ParaMagic from InterCAX
MagicDraw from No Magic
Demonstrated atINCOSE 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.
2011 IEEE Aerospace ConferencePaper #1264
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
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