industrial design
DESCRIPTION
Industrial Design. Chapter 9. Industrial Design is:. Service of creating & developing concepts and specifications that optimize the function, value, and appearance of products and systems for the mutual benefit of the user and manufacturer. Work also includes:. - PowerPoint PPT PresentationTRANSCRIPT
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Industrial Design
Chapter 9
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Industrial Design is:
• Service of creating & developing concepts and specifications that optimize the function, value, and appearance of products and systems for the mutual benefit of the user and manufacturer.
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Work also includes:
• User-centered ergonomics• Improving manufacturing methods• Client image considerations,
including advertising and layout• Standards setting & verification• Normal professional
responsibilities
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Involved Professions• Marketing experts – appeal, value• Design engineers – layout, improv.• Biomedical engineers – usefulness,
usability• Human factors experts - safety• Manufacturing engineers - mfgability• Service personnel – complaints, ease• Returns - complaints
Lots of people involved!
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Industrial Design Steps• Set usability goals
– Provide quantitative basis for acceptance testing– Objective or subjective– Typically 50 goals, combination objective
and subjective
• Examples– Anesthetist will rate alarm control/reset
controls as 5 or better on a scale of 1-7– Machine will be calibrated and ready to go
in 30 seconds or less
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Industrial Design Steps (ctd.) • Design user interface concepts
– Develop conceptual model– Develop user interface structure– Define interaction style– Develop screen template– Develop hardware layout– Develop a screenplay– Develop a refined design– Develop final design
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Industrial Design Steps (ctd.)
• Model the user interface– Build a prototype to evaluate dynamics of
user interface– Software, hardware, mockup
• Test user interface– At start of development effort– When prototype is developed– When marketing claims may be displayed– Conferences, office, lunchroom
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Specifying the User Interface
• Style guide• Screen hierarchy
map• Screenplay• Specification
prototype• Hardware layouts
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Additional Industrial Design Considerations
• Consistency and simplicity
• Safety• Environmental/
Organizational Considerations
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Documentation-Not only for Human Factors!
• Written to meet needs of various target populations
• Study capability and information needs of documentation users– Mental abilities– Physical abilities– Previous experience– Understanding of general operation– Special needs of environment
Attempt to avoid
this!
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Alarms and Signals
• Purpose is to draw attention of operator• 3 categories:
– High priority: immediate response required• Red flashing light
– Medium priority: prompt response required• Yellow flashing light
– Low priority: awareness required• Steady yellow light
• Audible signal when not in line of sight
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Displays
• Visual displays should clearly indicate system status
• Graphic displays should be used when perception of pattern of variation is important
• Numeric displays should be sued when quantitative accuracy is important
• Displays should be consistent
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Interactive Control• System response
times should be consistent with operational requirements
• Control-display relationships should be straightforward and explicit
• Menu selection for interactive controls
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Feedback and Error Management/ Data Protection
• Present status, information, confirmation, and verification throughout the interaction
• Standby should be accompanied by ‘WAIT’ message
• Feedback should be self-explanatory
• Easy methods of correcting errors
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Think about:
• Your limits in designing a new device, such as an anesthesia machine. Where would you need help?
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