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DT SL > Unit 1 - Human Factors > Flashcards

Unit 1 - Human Factors Flashcards

1
Q

HumanFactors

A

Combination of anthropometrics, psychological, and physiological factors

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2
Q

Aims of Human Factors

A
  • Reduce stress and fatigue
  • Increase safety
  • Increase ease of use
  • Enhance comfort
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3
Q

Ergonomics

A

The application of scientific information regarding human’s interactions to systems

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4
Q

Physical Ergonomics

A

Body Measurements: size, strength and physical capacity

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5
Q

Cognitive Processes

A

HIPS: sensory —> central —> motor
How humans respond to environmental stimuli

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6
Q

Organisational Ergonomics

A

Work design (working environment)

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7
Q

AnthropometricData

A

Study of human body measurements and dimensions

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8
Q

Static Data

A

Fixedorstandardposition
e.g.height, armlength

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9
Q

Dynamic Data

A

Taken during physical activities/tasks

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10
Q

1-99th Percentile

A

Describes the entire population/distribution of measurements

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11
Q

50th Percentile

A

Average measurements - for common/standard product use

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12
Q

5-95th Percentile

A

Accommodates the majority (for clearance)

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13
Q

Clearance

A

Physical distance between two objects

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14
Q

Reach

A

3D space one has access to in a fixed location

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15
Q

Adjustability

A

The ability of a product or system to be modified to fit the needs and preferences of individual users

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16
Q

5th Percentile

A

Extreme cases - Smaller users

17
Q

95th Percentile

A

Extreme cases - Larger users (Comfortability)

18
Q

Range of Sizes

A

To fit various percentiles

19
Q

Ergonomes

A

2D scaled physical anthropometric model based on a specific percentile human forms

20
Q

Nominal Scale

A

Classification by name

21
Q

Ordinal Scale

A

Classification along a continuum

22
Q

Interval Scale

A

Numerical difference between values

23
Q

Ratio Scale

A

Numerical difference between values and have an absolute zero

24
Q

Psychological Factors

A
  • Light: safety, precision
  • Sound: feedback, alertness
  • Temperature: comfortability (alertness)
  • Texture: facilitates grip
25
Q

Human Information Processing System

A

Input –> Sensory –> Central –> Motor –> Output

26
Q

Alertness

A

State of being aware of one’s surrounding

27
Q

Environmental Factors for Optimisation

A
  • Natural lighting
  • Cooler temperatures
  • Working Space: safe
  • Low Noise
28
Q

Physiological Factors

A

Body tolerances when putting stress (comfort and fatigue)

29
Q

Fatigue

A

Diminishment of performance (physical or mental) - exhaustion

30
Q

Comfort

A

State of physical or psychological ease

31
Q

Biomechanics

A

Force, Repetition, Duration, Posture

Mechanical aspects of human movement

DT SL (6 decks)

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