rams /cenelec gamification dr howard parkinson. background currently railsystems engineering deliver...
TRANSCRIPT
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RAMS /CENELEC Gamification
Dr Howard Parkinson
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Background
• Currently Railsystems Engineering deliver a two day course: RAMS and EN50126/8/9
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300 slides, exercises, quizzes and Q&A
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Content• • An introduction to railway and functional safety with some important facts and statistics • Definitions of failures, hazards and
safety • Overview of CENELEC standards and how they fit into European interoperability and safety directives, Technical Standards for Interoperability (TSIs) and the Common Safety Method (CSM) • Overview of EN50126, the risk based approach and the safety lifecycle model • The meaning of railway RAMS(S), Safety Management and Quality Management • The relationships between EN50126, EN50128 and EN50129 • Safety requirements and risk acceptance criteria • Overview of EN50129 content • Hardware and software • Random and systematic failure • The ‘safety case’ • Risk analysis and hazard control • Tools employed e.g. HAZOP, FMECA, FRACAS, FTA, Markov etc. • Overview of Tolerable Hazard Rates and Safety Integrity Level (SIL) determination and allocation • Allocation of SILs to safety functions at system and sub-system level, utilising case studies • The use and misuse of SILs • Definition of Verification & Validation • Independent safety assessment and the independence of the roles involved in safety, including real examples • Safety Acceptance, Cross Acceptance and Approval • The use of systems engineering to optimise system safety and reliability • Key accident case studies; learning from accidents • Overview of EN50128 • The main differences between EN50128:2011 and 2001 versions • Software lifecycle and overview of the software development phases: - Software safety requirements - Software planning and quality assurance - Software SILs • The application of software to railway high integrity systems, hands-on guidance for the application of techniques of EN50128, and how to best satisfy particular SIL requirements • How to use commercial off-the-shelf products as part of system development to reduce cost while maintaining high integrity • How to ensure both hardware and software architecture is optimised, yet achieves the required integrity for safety-critical systems • A short comparison of rail safety-critical systems development standards with other industries, including defence and aerospace • Practical examples of the application of EN50126/8/9 to product development • Practical examples of the application of EN50126/8/9 to application projects • How to implement course content in future activities D.
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Very Dry Topic
• Gamification required!!• Research suggest this is the
optimum approach – Use the technology!!
• Has not been a feasible route until recently but technology now makes it an exciting prospect.
• E-learning has failed to deliver on promise due to lack of thought and creativity
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What’s Available at the moment that we can leverage?
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The Game
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Kick Off Project Meeting
• Briefing of Game Given• Project objectives • To develop safe new
level crossing control• Resources• Expert Information• Points scoring criteria• Game generally team
game.
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Project Team Development• Before team starts you must
assemble a group of team members
• 1st you must pass the competency assessment with the exert. You have resources and information available.
• Questions will cover risk, safety, high level rail issues etc.
• Good answers give you resources to buy experts, data and standards
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Virtual On-Line Experts and Panels
• These will be the voice of the standards and guidance.
• They will be the gate keepers for safety acceptance
• You can buy more expertise as you achieve milestone goals
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Databases and Standards
• Failure rate data will be available via hyper links
• Standards will be available
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Virtual Railways
• We will be working on our virtual railway.
• This initial game will look at level crossings but subsequent games will work up to installing a full ERTMS system as part of the digital Railway.
http://www.trainzportal.com/product/view/trainz-simulator-a-new-era
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Level Crossing Safety
• 1st give some level crossing accidents to analyse at high level
• Then Perform HAZOP
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HAZOP
• Experts, standards and data can be bought here.
• HAZOP output assessed against model outputs and further points scored.
• Penalties if key risks missed.
• Consult standards for software/hardware/controller.
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Safety Assessment of Crossing Controller
• National Initiative to improve crossing control!
• You must be interviewed to head up the initiative for safety.
• you must pass the competency assessment with the exert. You have resources and information available.
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Questions in Interview
• Given that risks of hardware software covered in HAZOP, questions about SILs, software reliability could be asked.
• Online experts can be consulted at a Price, standards and guidance also available cheaper,
• Points available for next phase.
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Develop New Crossing Controller
It has been decided to develop a new crossing controller nationally.StepsFollow EN50126RequirementsSafety Targets
Go out to tenderGet ISAGo through lifecycleTest and Commision
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The Game will have levels and gates to pass
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The Game will have levels and gates to pass
• Safety deliverable will be submitted and assessed and virtual stakeholders included
• Requirements managed.• Points scored and deducted.
Time delays will cost money.• When game passed then
onto next game, for example APT project?
• Then digital rail platform?
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The statistics become the game!
The four areas are: • points – something for
‘players’ to earn; • rewards – something for
‘players’ to spend their earned points on;
• badges – something to show peers the achievements ‘players’ have unlocked;
• leader boards – a method of gaining some real-time feedback which is visible to everyone.
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Lifelike Project Scenarios
• Latent faults with the system that have to be identified, assessed and mitigated
• Risk based decision making.
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Accident Scenario Simulation
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Virtual System Structures
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Swiss Cheese Model / Bow Ties• We will emphasis these
ideas in our risk assessment and it will be further elaborated in the simulations.
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Simulation
• Good for capturing performance
• Good for capturing improvements
• Further questioning will be determined by performance record
• Simulations will be run this will determine success of failure of objectives
• Outcome could be a train disaster or a minor incident or a safe day on the railway.
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Trainers Input
• Briefings prior to each stage and on-line help (free at first then increasing cost)
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Typical Learning Outcomes (A)• Demonstrate a sound
understanding of the principles of CENELEC including Reliability and Safety
• Appreciate risk in the context of the railway, design and safety management
• Describe how design and the safety lifecycle interact and influence each other
• Relate current best practice in EN50126/8/9 to your own business
• Identify and use relevant standards to aid management of design risk
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Typical Learning Outcomes (B)• Understand risk assessment
and its approaches• Understand the concepts of
THR and SIL.• Describe different approaches
to risk acceptance • Understand system safety and
planning, documentation, systems engineering and integration, validation and stakeholder management in the overall rail business context.
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Pedagogy
• Without question, blended learning using face to face and technology driven gamification is proven as best practice [xx][xx].
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Why Now?
• Will fit in seamlessly with new digital railway approach
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Lets do this for the Digital Rail Era!
• Can be expanded to teach Digital railway skills and structure
• Easily configurable to inputs from experts and changes
• Great modern training facilities
• Data Driven• Captures best
practice