Human Variability and Accommodation
μ¬λμ μ°¨μ΄λ₯Ό μ λμ μΌλ‘ λ€λ£¨μ΄ μ€κ³μ λ°μ
Ergonomics: μ¬λ μ€μ¬ μ€κ³μ μΆλ°μ
Ergonomics = understanding human-system interaction to optimize well-being and system performance
- Ergonomicsλ μ¬λκ³Ό μμ€ν μ κ΄κ³λ₯Ό μ 체μ μΌλ‘ μ΅μ ννλ €λ νλ¬Έ
- μ€κ³μ λͺ©μ μ μλ κ°λ₯ν μ νμ΄ μλλΌ μ¬λμ΄ μμ νκ³ ν¨μ¨μ μΌλ‘ μ¬μ©ν μ μλ μ ν
- Human Variability(μ¬λμ μ°¨μ΄)λ₯Ό λ°μνμ§ μμ μ€κ³λ μ무리 λ©μ Έλ μ€ν¨ν λμμΈμ΄ λ¨
Human Variability: μ¬λμ μλ‘ λ€λ₯΄λ€
π 무μμ΄ λ€λ₯Έκ°?
- Body size & shape: ν€, ν κΈΈμ΄, ν리 λμ΄, μ΄κΉ¨ ν
- Strength & flexibility: κ·Όλ ₯κ³Ό κ°λ λ²μ
- Perception & cognition: κ°κ°κ³Ό μ£Όμ, μΈμ§ λ°©μ
- Preference & behavior: μ·¨ν₯κ³Ό νλ μ΅κ΄
μ¬λμ λμ μ λ΅(postural strategy)μ΄ μ κ°κ°μ΄λΌλ κ².
β νλμ μ΄μμ μμΈλ μ‘΄μ¬νμ§ μμ
Accommodation: μΌλ§λ λ§μ μ¬λμ΄ νΈνκ² μ°λκ°
π§© κ°λ μ μ
A person is accommodated if he/she can use the product without undue difficulty
- μ’μ μ€κ³μ κΈ°μ€μ νκ· μ¬μ©μκ° μλλΌ μ 체 μ¬μ©μ μ€ λͺ %κ° λ¬΄λ¦¬ μμ΄ μ¬μ©νλκ°(accomodation level)
π μμ©λ(Accommodation level)
- λͺ©ν μΈκ΅¬ μ€ λ¬΄λ¦¬ μμ΄ μ¬μ©νλ λΉμ¨
- λ³΄ν΅ 90%~95%λ₯Ό λͺ©νλ‘
Principle 1: Design for the Extremes
Design so that even the smallest and largest users can use it safely and comfortably
π‘ κ°λ μμ½
- κ°μ₯ μκ³ , κ°μ₯ ν° μ¬λ(κ·Ήλ¨ μ¬μ©μ)μ μ¬μ©μ κΈ°μ€μΌλ‘ μ€κ³
- κ°λ¨ν λ¬Έμ μλ μ΄ μ κ·Όμ΄ κ°μ₯ ν¨μ¨μ
- λ°±λΆμ(Percentile) κ°λ μ μ¬μ©νμ¬ μ€κ³ μμΉλ₯Ό κ²°μ
Principle 2: Providing Adjustability
Allow the product to be adjusted to accommodate different users
μμ
- λͺ¨λ μ¬μ©μλ₯Ό ν μΉμλ‘ λ§μΆκΈ° μ΄λ ΅λ€λ©΄, μ‘°μ κ°λ₯ν μ νμΌλ‘ λ€μν μ 체 쑰건μ μμ©
- μ‘°μ κ°λ₯μ±(adjustability)μ human variabilityλ₯Ό μννλ κ°μ₯ μ§μ μ μλ¨
Principle 3: Best Single-Configuration Design
Find one fixed configuration that maximizes population accommodation
ν΅μ¬
- μ‘°μ λΆκ°λ₯ν μ νμ΄λΌλ©΄, λͺ¨λ μ¬μ©μμκ² κ°μ₯ μ λ§λ νλμ μ€κ³λ₯Ό μ°ΎμμΌ ν¨
- μ΄λ βνκ· κ°βμ΄ μλλΌ βμμ©λ 곑μ (accommodation function)βμ μ΅λμ μ μ°Ύμ
Principle 4: Horizontal Segmentation
If clear subgroups exist, design separate versions for each
μμ
- μ¬μ©μ μ§λ¨μ΄ λλ ·νκ² λ€λ₯Έ μꡬλ₯Ό κ°μ§λ€λ©΄ νλμ μ΅μ κ° λμ μ¬λ¬ κ°μ μΈκ·Έλ¨ΌνΈ(μ: small/medium/large)λ‘ λλμ΄ μ€κ³
Fusion & Selection
Fusion: combine the advantages of two or more designsSelection & Combination: allow users to choose and assemble components
ν΅μ¬
- Fusionμ βμ§μ₯ + 짬λ½βμ²λΌ κΈ°μ‘΄ μ루μ μ μ₯μ μ ν©μ³ νλμ νμ΄λΈλ¦¬λλ‘ λ§λλ κ²
- Selection & combinationμ μ¬μ©μκ° μ§μ κ΅¬μ± μμλ₯Ό μ νν μ μκ² ν¨
Personalized Recommendation
Use user data to recommend the most suitable product or configuration
- AI/LLMμ μ΄μ©ν΄ μ¬μ©μμ 체ν, μνμ΅κ΄μ κΈ°λ°μΌλ‘ λ§μΆ€ μ ν μΆμ² λ° μ¬μ© κ°μ΄λλ₯Ό μ 곡
Persona
Design for a specific primary persona; extend later for others
μμ
- Primary personaλ₯Ό νλ μ νκ³ , κ·Έ μ¬λμ μν μ΅μ μ€κ³λ₯Ό λ¨Όμ λ§λ λ€ adjustability, segmentation, fusion μΌλ‘ μ»€λ² λ²μλ₯Ό λν
- personaλ λ¨μν νλ‘νμ΄ μλλΌ μμ¬μ μΈλ¬Όμ΄μ΄μΌ ν¨
Design Tools for Accommodation
| Tool | μ€λͺ
|
| Manikin family | λ€μν 체νμ λμ§νΈ μΈμ²΄ λͺ¨λΈ |
| HADRIAN DB | κ³ λ ΉμΒ·μ₯μ ν¬ν¨ μΈμ²΄ λ₯λ ₯ DB |
| 3rd age suit | λ
Έν 체ν μνΈ |
| VR evaluation | κ°μνμ€μ ν΅ν μ¬μ© 체ν |