Human Factors in the Aerospace and Defence Industry · Human Factors in the Aerospace and Defence...
Transcript of Human Factors in the Aerospace and Defence Industry · Human Factors in the Aerospace and Defence...
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Setting tomorrow’s human factors standards, today
© 2006 Human Factors Solutions
Human Factors in the Aerospace andDefence Industry:Is there anything the offshore industry canlearn?
30th November 2006
Andrew Lilley
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Slide 2© 2006 Human Factors Solutions
Topics
Background
Similarities between aerospace and defence, and offshore
The current situation
Common HF techniques in aerospace and defence industry
Lessons learned
HMI carry-over
Aerospace and defence standards
What aerospace and defence industry can learn from offshoreindustry
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Slide 3© 2006 Human Factors Solutions
My background
M.Eng Systems Engineering
Lockheed Martin and BAESystems
Five years working in design offast jet and helicoptercockpits/cabins
Two to three years as lead HMIdesigner on a helicopterprogramme
Less than one year in offshoreindustry
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Slide 4© 2006 Human Factors Solutions
Background to Merlin CSP
Upgrade to the Merlin Mk.1helicopter 44 in use by Royal
Navy 4 crewmembers Anti-submarine
£750 million, 10 yearcontract
Replacing old with new
HMI key to the programme Existing HMI has
issues New sensors = more
data = potential foroverload
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Slide 5© 2006 Human Factors Solutions
Roles and responsibilities
Design of HMI for:
HMI prototypes Actual HMI
Testing of HMI
Creating HMI requirements
Interfacing with:
System architect Systems engineers Software engineers Hardware engineers Other HF engineers Customer, inc. SMEs
HMI documentation
Philosophy Style guide Detailed definition
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Slide 6© 2006 Human Factors Solutions
Similarities between offshore and aerospace
Complex system ofsystems
High reliability, safetycritical
Responding to alarmsin timely manner
Errors can lead todisaster
Information-rich tasks
Remote operation
Non face-to-facecommunication
Long periods spent atworkstations
Parallel tasks
Communication Perception Interpreting information Controlling
High competenceoperators
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Slide 7© 2006 Human Factors Solutions
Driller’s cabin vs. helicopter cockpit
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Slide 8© 2006 Human Factors Solutions
HF in the offshore industry
HF often not done for theright reasons:
PSA regulatory controlinstead of to increaseefficiency, reduce erroretc.
HF often seen as a‘tick in the box’ task byproject management
HF work performed too late
Need for HF growing assystem becomes morecomplex
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Slide 9© 2006 Human Factors Solutions
HF in the aerospace/defence industry
HF in aerospace started in1940s
HF realised as beingcrucial in reducingaccidents
Customer driven
HF work starts early inprogramme
HF integrated intoengineering process
Systematic involvement ofusers
BUT... Long way frombeing perfect
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Slide 10© 2006 Human Factors Solutions
Offshore industry in near/medium future
Offshore industry willdevelop more: Remote operation Distributed control Networked systems
Remote operation beenperformed by ATC, spaceexploration, military fordecades
Distributed control currentlyperformed by ATC, military
Networked systemsemployed by ATC, spaceexploration, military
Platform 1
North Sea
Control Centre A
Stavanger
Control Centre B
Houston
Control Centre C
Aberdeen
Platform 2
Gulf of Mexico
Platform 3
North Sea
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Slide 11© 2006 Human Factors Solutions
Common techniques
Close user involvement
Continuous prototyping
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Slide 12© 2006 Human Factors Solutions
User involvement
Defined roles
Embedded SME Full-time Part of HMI team Interface between end-
users and HMIdevelopers
Long term contract Not a substitute for HF
techniques Should not do design SME supports task
analysis, controlselection etc.
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Slide 13© 2006 Human Factors Solutions
SME involvement
User community
SME
Human FactorsEngineers
HMI Team
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Slide 14© 2006 Human Factors Solutions
Prototyping
Continuous, iterative
Lo-fi: PowerPoint, Visio, Photoshop etc.
Hi-fi: Java, VAPS, IData etc.
User involvement:
“What are the ‘critical’ tasks?” “What do you have to do during
these tasks?” Regular user reviews/tests
Engineering involvement:
“What is possible, what is not?” Programming
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Slide 15© 2006 Human Factors Solutions
Prototype is not an island
Prototype
Criticaluser tasks
Selected hardware/software constraints
Engineeringschedule
Critical engineering issues
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Slide 16© 2006 Human Factors Solutions
Lessons learned 1
Define SME role clearly and stick to it Prevents SME from doing the design Prevents disputes
Work very closely with engineers Smoother development of solutions Develops trust and teamwork Prevents engineers thinking we are just ‘flower arrangers’
Prevent ‘feature creep’ Establish SLOC limit early and do not exceed it
SMEs require reward Provide enough to motivate them
Keep consistent set of SMEs SMEs are highly opinionated! Reduces flux
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Slide 17© 2006 Human Factors Solutions
Lessons learned 2
Define detailed prototyping schedule early on
Complex prototype needs good foundations Let people know that design changes will happen!
Part of concept development Necessary
Engineers need to know the design solutions too
It’s not ‘them and us’ Regular updates necessary
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Slide 18© 2006 Human Factors Solutions
HMI carry-over 1
KISS - exaggerate the philosophy
Design for high stress, high workload - it will happen!
“It doesn’t matter how many times you click, as long as each click is a mindless, unambiguous choice.”
Steve Krug
“You know you have achieved perfection in design, not when you have nothing more to add, but when you have nothing left to take away.”
Antoine de Saint-Exupery
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Slide 19© 2006 Human Factors Solutions
HMI carry-over 2 - HMI
Shortcut to emergency displays
Only necessary information Shortcut quickly accessible
Touch screens
Very good when designed well Task based Frequent use controls
Error prevention
Data entry Feed forward (e.g. nnnn, 6000-6999)
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Slide 20© 2006 Human Factors Solutions
HMI carry-over 3 - Cabins
Adjustable seats
Adequate temperature/air-conditioning adjustment
Desk space
Manuals Matpakke Storage
Importance of seeing other operator’s displays
Distance Viewing angle
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Slide 21© 2006 Human Factors Solutions
Common standards and guidelines
UK
Def-Stan 00-25, “Human Factors for Designers ofEquipment”
US
MIL-STD-1472, “Human Engineering” MIL-HDBK-46855A, “Human Engineering Program
Process and Procedures” HF-STD-001, “The Human Factors Design Standard”
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Slide 22© 2006 Human Factors Solutions
What aerospace/defence can learn from offshore
Structured V&V
CRIOP equivalent is missing CRIOP is excellent at identifying shortfalls in design
Tough regulatory authority
Authority checks right work is being done, in right way HFAM is useful for both customer and supplier
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Slide 23© 2006 Human Factors Solutions
Conclusions
HF in aerospace and defence industry long way from beingideal
But...
Offshore industry can learn from it
Aerospace and defence has “been there, done that” (andbenefited from it!)
No need to reinvent the wheel HF in offshore industry will improve only if:
All parties understand the need Direction comes from the operating companies (not the
PSA, nor the suppliers)