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BSI 23/30450762 DC 2023

BSI 23/30450762 DC 2023

$13.70

BS EN ISO 9241-920. Ergonomics of human-system interaction – Part 920. Tactile and haptic interactions

Published By Publication Date Number of Pages
BSI 2023 36
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PDF Catalog

PDF Pages PDF Title
8 Foreword
9 Introduction
11 1 Scope
2 Applying ISO 9241-920
2.1 Recommendations
12 2.2 Compliance
3 Terms and definitions
4 Tactile/haptic inputs, outputs, and/or combinations
4.1 General guidance on tactile/haptic inputs, outputs and/or combinations
4.1.1 Optimizing performance
13 4.1.2 Providing accessible information on tactile/haptic elements
4.1.3 Providing contextual information
4.1.4 Identifying system state
4.1.5 Minimizing fatigue
14 4.1.6 Providing alternative input methods
4.1.7 Maintaining coherence between modalities
4.1.8 Combining modalities
15 4.1.9 Presenting realistic experiences
4.1.10 Isolation of individual interface elements
4.2 Intentional individualization
4.2.1 Enabling users to change modalities
4.2.2 Enabling force feedback override
16 4.2.3 Force feedback control
4.2.4 Force feedback indication
4.2.5 Enabling users to limit force feedback
4.2.6 Enabling users to individualise tactile/haptic parameters
4.3 Unintentional user perceptions
4.3.1 Limiting acoustic output of tactile/haptic display
4.3.2 Limiting heat gain of contact surface
17 4.3.3 Avoiding sensory adaptation
4.3.4 Recovering from sensory adaptation
4.3.5 Avoiding unintended perceptual illusions
4.3.6 Preventing temporal masking
18 5 Attributes of tactile and haptic encoding of information
5.1 High level guidance on tactile/haptic encoding of information
5.1.1 Using familiar tactile/haptic patterns
5.1.2 Making tactile/haptic encoding obvious
5.1.3 Conformity to user expectations
5.1.4 Using sensory substitution
5.1.5 Using appropriate spatial addressability and resolution
19 5.1.6 Using tactile apparent location
5.1.7 Tactile display of high spatial resolution
5.1.8 Using higher addressability for trained users
5.1.9 Using tactile apparent motion
5.1.10 Preventing spatial masking
5.2 Guidance on specific tactile/haptic attributes for encoding information
5.2.1 Selecting properties for encoding information
21 5.2.2 Discriminating between attribute values
5.2.3 Limiting the number of attribute values
5.2.4 Combining properties
5.2.5 Limiting complexity
5.2.6 Encoding by object shape
5.2.7 Encoding information by temporal pattern
5.2.8 Encoding information using vibration amplitude
22 5.2.9 Encoding information by vibration frequency
5.2.10 Encoding by body location
5.2.11 Encoding by temperature
5.2.12 Encoding by thermal conductivity
5.2.13 Identifying information values
23 5.2.14 Encoding information using electrotactile amplitude
5.2.15 Encoding information by electrotactile frequency
5.2.16 Waveform for electrotactile feedback
5.2.17 Polarity of electrotactile output
6 Content-specific tactile/haptic encoding
6.1 Encoding and presenting text data
6.1.1 Text presentation speed
6.1.2 Text presentation layout
6.1.3 Text shape presentation
24 6.1.4 Text presentation surface contrast
6.1.5 Text presentation size
6.2 Encoding and presenting data through information haptification
6.2.1 Displaying information in tactile/haptic graphics
6.2.2 Complexity of information haptification
6.2.3 Maintaining orientation in information haptification
25 6.2.4 Perceivability of information haptification
6.2.5 Texture discriminability in information haptification
6.2.6 Consistency of information haptification
6.2.7 Combinations of text and graphics in information haptification
6.2.8 Learnability of information haptification
6.2.9 Using grids on tactile/haptic graphs
6.2.10 Using landmarks in tactile/haptic maps
6.2.11 Providing scales for tactile/haptic maps
26 6.3 Encoding and using controls
6.3.1 Using tactile/haptic controls
6.3.2 Using size and spacing of controls to avoid accidental activation
6.3.3 Use of Electrodes
6.3.4 Avoiding difficult control actions
6.3.5 Using force to avoid accidental activation
6.3.6 Support user safety
27 6.3.7 Interacting with virtual controls
7 Design of tactile/haptic objects and space
7.1 Tactile/haptic display spaces
7.1.1 Ease of perceiving multiple tactile/haptic objects
28 7.1.2 Ease of identifying adjacent tactile/haptic objects
7.1.3 Maintaining separation between surfaces of objects
7.1.4 Separating tactile/haptic elements
7.1.5 Using consistent labels
7.1.6 Avoiding empty spaces
7.1.7 Avoiding volume limits
29 7.1.8 Avoiding falling out of the tactile/haptic space
7.2 Objects
7.2.1 Using appropriate object size
7.2.2 Creating tactile/haptic symbols from visual symbols
7.2.3 Discriminating tactile/haptic symbols
7.2.4 Tactile/haptic object angles
30 7.2.5 Tactile/haptic object corners
8 Interaction
8.1 Navigating tactile/haptic space
8.1.1 Providing navigation information
8.1.2 Supporting path planning
8.1.3 Providing well-designed paths
8.1.4 Making landmarks easy to identify and recognise
8.1.5 Providing appropriate navigation techniques
8.1.6 Providing navigational aids
31 8.1.7 Understanding the tactile/haptic space
8.1.8 Supporting exploratory strategies (procedures)
8.2 Reconfiguration
8.2.1 Reconfiguring the tactile/haptic space
8.2.2 System initiated reconfigurations
8.2.3 Maintaining user’s sense of location during reconfiguration
8.3 Interaction techniques
8.3.1 Implementing interaction techniques
32 8.3.2 Avoiding unintended oscillation
33 Bibliography

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