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Transcript of Interfacing Risk and Systems Engineering – Left Shift Risk Management Incose Conference 9 th...
![Page 1: Interfacing Risk and Systems Engineering – Left Shift Risk Management Incose Conference 9 th November 2007 Val Jonas.](https://reader035.fdocuments.us/reader035/viewer/2022062312/5514a81a550346b2598b5e5f/html5/thumbnails/1.jpg)
Interfacing Risk and Systems Engineering
– Left Shift Risk ManagementIncose Conference
9th November 2007
Val Jonas
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Agenda
Basics of Systems Engineering
The concept of “Left Shift”
Application to three stages of Systems Engineering
Conclusions
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Systems Engineering
Systems Engineering consists of the technical and management processes used to transform operational needs, concepts, and policies into a system configuration that optimises the total system design to meet cost, schedule and technical performance objectives.
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Requirements processOperational use
Userrequirements
Systemspecification
Subsystemspecifications
Usertests
Systemtests
Subsystemtests
Acceptancetests
Capabilityrequirements
Statement of need
Customer
Supplier
Customer
Supplier
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Operational use
Userrequirements
Systemspecification
Subsystemspecifications
Usertests
Systemtests
Subsystemtests
Acceptancetests
Capabilityrequirements
Statement of need
Traceability and Compliance
satisfies
satisfies
satisfies
satisfies validating the User
verifying the system
qualifying the subsystems
qualifying components
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No. of Problem causes
Established
Cost of RecoveryTackled as potential problems
Emergence as problems
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Left shift during 3 stages
Understand context
Create the baseline requirements acceptance criteria
Manage change
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Operational use
Userrequirements
Systemspecification
Subsystemspecification
Usertests
Systemtests
Subsystemtests
Acceptancetests
Capabilityrequirements
Statement of need
Stage 1 - Understand context
Economic, environment, market influences
Optionsconsiderations
Businessbenefits
Portfolio Analysis
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Case study: Rail industryRequirement: increased passenger capacity
1. More seats (added safety requirements)2. Longer trains (longer platforms)3. Double-decker trains (taller tunnels)4. High speed trains (upgraded track)
Options comparisonSchedule, budget,
resourcesProcurement strategyLease value and lifeReputation / image
GDPInvestment / financing environmentEvolving stakeholder expectationsCompetitorsChange of London Mayor
Options analysis Benefits case
Economic, environment, market influences
Overlap with Technical Upgrade Programme
Portfolio analysis
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Stage 2 – Create the baseline
Operational use
Userrequirements
Systemspecification
Subsystemspecification
Usertests
Systemtests
Subsystemtests
Acceptancetests
Capabilityrequirements
Statement of need
Identify risks against
requirements&
develop mitigation strategies
Riskand Action Register
Supplier 1Risk
Register
Identifysub-system
requirements risk(in lower levelrisk registers) Supplier 2
RiskRegister
Requirements & Acceptance Criteria
Identify risksto achievingcompliance
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Case study: UtilitiesRequirement: National infrastructure upgrade
Difficulty gaining stakeholder agreementLong-winded ministerial approval processNeed for public consultationsChange of government / general election
New health & safety legislation
Related disasterInfluence of regulatory reviewNew leases non-compliant
High level risks to achieving requirements
Acceptance risks
New technology unavailableFailure to achieve wayleave consentRaw materials not availabieLegacy platform restricts design options
Low level risks to achieving requirements System platform incompatibility
Obsolete technologyFailure to reach reliability
targetsInsufficient trials
Sub-system Acceptance risks
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Stage 3 – Manage ChangeCase study: UK MoD
Manage scope creep Write requirements in sufficient detail Enforce rigorous change and configuration control
Evaluate potential change in advance Traceability (Doors) Risk assessment (Predict! and ARM) & risk analysis
(Predict!)
Beware of opportunities – they can bite!
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No. of Problem causes
Established
Cost of RecoveryTackled as potential problems
Emergence as problems
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Thank you