P1258895710VhUMR - PowerPoint PPT Presentation

Title: P1258895710VhUMR


1
OneSAF Ownship Framework Technical Exchange
2
Overview

• Definitions, Ownship Management vs. Ownership
  Management
• Ownship Framework Features
• High-Level Design Overview
• Schedule
• Goals
• Describe OneSAF approach to ownship management
• Describe ways to use the ownship framework and
  extend its capability

3
Use Case Ownship Management

• Human in the Loop (HITL) control of one or more
  OneSAF models

views
OOS Simcore
User
Simulated Entity
controls (e.g., joystick)
a Model
4
Use Case Ownership Management

• OneSAF and an External Simulator pass ownership
  (i.e., simulation responsibility) of an actor
  back and forth between them.
• Could be triggered by area of interest, user zoom
  level, or user control

OOS Simcore
OOS Interop Gateway
External Simulator
Simulated Actor
Simulated Actor
5
Comparison Chart
Ownship Management Ownership Management
OneSAF is responsible for simulating entity at all times Responsibility for simulating an actor passes back and forth between OneSAF and external simulator
One or more agents or models have been replaced or modified to support HITL control Simulation of actor entirely handled by either OneSAF or an external simulator
Entity / Model Focus Supports Units and Entities
Human in the Loop (HITL) Focus May support HITL (i.e., virtual simulators), but may also apply to external constructive simulation
Examples CGA, ECATT-STO Examples ACTF and CBS Interoperability
6
Ownship Framework Features

• Infrastructure
• UI to establish connections selects entities
  from PVD or actor tree
• Brokering mechanism to match control devices to
  ownship models
• Save connections in scenario files re-establish
  connections on scenario load
• Distributed execution
• Joystick support (DIS not required)
• Viewer support (IG, Dashboard, etc.)
• Design does not limit to the number of
  controllers or controlled models within an
  exercise
• Supports extension add new types of
• ownship models
• views
• controller devices and/or logic

7
High-level Design
8
Ownship Framework an MVC Pattern
Model

• Ownship Component
• Simulated Entity
• Simulated Environment

state change request
state query
Ownship Connection
change notification
View
Controller
view selection

• Image Generator
• Dashboard
• View Adapter

• Ownship Manager
• Joystick Adapter
• Controller Manager

9
GUI Establishing Ownship Connections
10
Modelling Dilemma

• The common desire is to enable Ownship Capability
  across large sets of entity compositions in
  OneSAF
• Currently OneSAF developers have two options to
  realize this goal
• Approach 1
• Develop new component compositions containing the
  new ownship-enabled models and agents
• Create new entity compositions with the new
  component compositions
• Drawbacks
• Extra effort in creating what are essentially
  duplicate entity compositions
• The number of supported entity compositions
  explodes
• User has to deal with entity composition
  explosion
• Approach 2
• Modify core agent and model code
• Drawbacks
• High-risk to base program creates external
  integration problems
• Ongoing maintenance issues
• VV Issues

11
Approach 3

• Create or extend new ownship models and agents
• Package new models and agents in new component
  compositions
• Use OneSAF Modeling Infrastructure to change an
  actors composition after it is decoded from the
  PAIR
• Supports changes before and after STARTEX
• Changes may be saved in a scenario file, and work
  across checkpoint and restore operations
• Changes are made on a per actor-instance basis
  (i.e., not on a per actor composition basis)
• Utilizes a new feature, Dynamic Agents, under
  development by the AI OneSAF Team

12
Extending the Framework Add new ownship model

• Example Goal
• Enable HITL control on a new agent or model in a
  simulated entity (e.g., control an active sensor)
• Procedure
• Create new model and agent classes
• Create new component composition with model and
  agent classes
• Create a new builder class that will
  activate/deactivate the ownship model on the
  entity
• Optional Create a new type of ownship connection
  that the new ownship component understands
• Register the builder class with the Ownship
  Manager at runtime

13
Extending the Framework Add new ownship model
Ownship Manager
registers builder
uses
Entity
activates/deactivates
Entity Connection Builder
OneSAF System Component
monitors
contains
checks applicability
Dynamic Agent Capability
knows about
contains
Ownship Component (Agent/Model)
substitutes
New ownship extension
OneSAF Framework
14
Extending the Framework Add new controller

• Example Goals
• Add support for a new controller device (e.g., a
  steering wheel)
• Change the controller logic of an existing device
• Procedure
• Review ownship connection type
• Create controller device adapter
• Create new builder class that will create a new
  controller adapter
• Register the builder class with the Controller
  Manager at runtime

15
Extending the Framework Add new controller
Controller Manager
Ownship Component (Agent/Model)
registers builder
uses
stimulates
Device Controller Builder
OneSAF System Component
Controller Adapter
contains
creates
checks applicability
monitors
Controller Device
Joystick
represents
New ownship extension
Assumes JInput Compatibility
OneSAF Framework
16
Extending the Framework Add new view

• Example Goals
• Add support for a new Image Generator
• Add a new Dashboard
• Procedure
• Create new view adapter
• Create new view representation in ODB
• Create new ownship connection type for new view
• Create new builder that launches adapter and
  determines applicability to entity and viewer type

17
Extending the Framework Add new view
Ownship Manager
registers builder
uses
creates
Ownship Connection
View Builder
OneSAF System Component
builds
creates/ activates
refers
Ownship View (representation)
creates
View Adapter
checks applicability
refers
stimulates
monitors
Entity
Viewer Application
New ownship extension
OneSAF Framework
18
Schedule

• ACRT Software work onownship framework
  completes Aug, 2007
• The schedule is still a work in progress.

19
Questions?
20
Dynamic Agents

• New feature currently under development by the
  AI OneSAF Team
• OneSAF Modeling Infrastructure will allow clients
  to change an actors composition after it is
  decoded from the PAIR
• Supports changes before and after STARTEX
• Changes may be saved in a scenario file, and work
  across checkpoint and restore operations
• Changes are made on a per actor-instance basis
  (i.e., not on a per actor composition basis)
• Feature will be applicable to projects outside of
  the ownship framework