Project Scope and ConOps (Read-Only) · CONOPS(EXAMPLE Ascent’Stage ... Project Scope and ConOps...
Transcript of Project Scope and ConOps (Read-Only) · CONOPS(EXAMPLE Ascent’Stage ... Project Scope and ConOps...
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PROJECT SCOPE &
CONCEPT OF OPERATIONS
JANUARY 21, 2016
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DEFINING THE SCOPE• Required to develop good requirements
• What defines the scope• Needs, Goals, and Objectives
• Identify stakeholders, i.e., partners, collaborators, those with the money
• Develop operational concepts
• Know and understand the constraints
• Are there pre-‐existing documents that pertain• Presidential directives
• Announcement of Opportunities
• Proposals
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DEFINITIONS• Needs: explains why the stakeholder wants this project developed
• Goals: the fundamental target you must accomplish to fulfill the need
• Objectives: initiatives that implement the goal.• What is the minimum the stakeholders expect for the system to be successful?
• Example: Apollo Program• Need: Counter Soviet military threat
• Goal: Demonstrate American technological superiority
• Objective: Make a decisive move in the conquest of space.
• Operational Concept: Launch crew. Lander, … etc.
• Assumptions:All technology needs are achievable
• Constraints: Do it within the decade and use American-‐made components
• Authority & Responsibility: NASA is responsible for carrying out the mission
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CONCEPT OF OPERATIONS -‐ CONOPS
• ConOps: a description of how the system will be operated during the mission phases in order to meet stakeholder expectations.
• Why is a ConOps important?• Easy to understand – everyone can relate to it (even the customer)
• Provides an operational perspective
• Stimulates requirements development
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CONOPS EXAMPLE
Ascent Stage Expended
EDS, LSAM
CEV
Earth Departure Stage Expended
LSAM Performs LOI100 km
Vehicles are not to scale.
Low Earth Orbit
Service Module Expended
MOONMOON
EARTHEARTH
Direct Entry or Skip Landing
Ascent Stage Expended
EDS, LSAM
CEV
Earth Departure Stage Expended
LSAM Performs LOILow Lunar
Vehicles are not to scale.
Low Earth Orbit
Service Module Expended
MOONMOON
EARTHEARTH
Direct Entry or Skip Landing
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INFORMATION IN A CONOPS
• Major mission phases
• Operational scenarios
• Operation timelines
• End-‐to-‐end communication strategy
• Command and data architecture• Operational facilities involved (mission control, data center, etc.)
• Integrated logistics support (resupply, maintenance, assembly)
• Critical events (getting to the right orbit)
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CONOPS FROM A PREVIOUS CLASS
Separation from ESPA
Initial State Vector
Separation Confirm
Attitude/Position Hold
Confirm Attitude/PositionHold
Establish Comm w/Target
Confirm Crosslink Comm
GPS Functionality
Confirm GPS Solution
Coplanar Maneuver
Confirm CoplanarManeuver 2
Confirm Man. 1
Confirm Man. 2
ESPA
∆v Maneuver
Communication
Downlink/Uplink
AggieSatTarget
Launch
Maneuver 1