sol’s blog

Human Variability and Accommodation

sol-commits
sol-commits Oct 26, 2025
μ‚¬λžŒμ˜ 차이λ₯Ό μ •λŸ‰μ μœΌλ‘œ 닀루어 섀계에 반영
 

Ergonomics: μ‚¬λžŒ 쀑심 μ„€κ³„μ˜ 좜발점

Ergonomics = understanding human-system interaction to optimize well-being and system performance
  • ErgonomicsλŠ” μ‚¬λžŒκ³Ό μ‹œμŠ€ν…œμ˜ 관계λ₯Ό μ „μ²΄μ μœΌλ‘œ μ΅œμ ν™”ν•˜λ €λŠ” ν•™λ¬Έ
  • μ„€κ³„μ˜ λͺ©μ μ€ μž‘λ™ κ°€λŠ₯ν•œ μ œν’ˆμ΄ μ•„λ‹ˆλΌ μ‚¬λžŒμ΄ μ•ˆμ „ν•˜κ³  효율적으둜 μ‚¬μš©ν•  수 μžˆλŠ” μ œν’ˆ
  • Human Variability(μ‚¬λžŒμ˜ 차이)λ₯Ό λ°˜μ˜ν•˜μ§€ μ•Šμ€ μ„€κ³„λŠ” 아무리 멋져도 μ‹€νŒ¨ν•œ λ””μžμΈμ΄ 됨
 

Human Variability: μ‚¬λžŒμ€ μ„œλ‘œ λ‹€λ₯΄λ‹€

πŸ“ 무엇이 λ‹€λ₯Έκ°€?

  • Body size & shape: ν‚€, νŒ” 길이, ν—ˆλ¦¬ 높이, μ–΄κΉ¨ 폭
  • Strength & flexibility: κ·Όλ ₯κ³Ό 가동 λ²”μœ„
  • Perception & cognition: 감각과 주의, 인지 방식
  • Preference & behavior: μ·¨ν–₯κ³Ό 행동 μŠ΅κ΄€

 

μ‚¬λžŒμ˜ λ™μž‘ μ „λž΅(postural strategy)이 μ œκ°κ°μ΄λΌλŠ” 것.

β†’ ν•˜λ‚˜μ˜ 이상적 μžμ„ΈλŠ” μ‘΄μž¬ν•˜μ§€ μ•ŠμŒ

 

Accommodation: μ–Όλ§ˆλ‚˜ λ§Žμ€ μ‚¬λžŒμ΄ νŽΈν•˜κ²Œ μ“°λŠ”κ°€

🧩 κ°œλ… μ •μ˜

A person is accommodated if he/she can use the product without undue difficulty
  • 쒋은 μ„€κ³„μ˜ 기쀀은 평균 μ‚¬μš©μžκ°€ μ•„λ‹ˆλΌ 전체 μ‚¬μš©μž 쀑 λͺ‡ %κ°€ 무리 없이 μ‚¬μš©ν•˜λŠ”κ°€(accomodation level)
 

πŸ“ˆ μˆ˜μš©λ„(Accommodation level)

  • λͺ©ν‘œ 인ꡬ 쀑 무리 없이 μ‚¬μš©ν•˜λŠ” λΉ„μœ¨
  • 보톡 90%~95%λ₯Ό λͺ©ν‘œλ‘œ

 

Principle 1: Design for the Extremes

Design so that even the smallest and largest users can use it safely and comfortably
 

πŸ’‘ κ°œλ… μš”μ•½

  • κ°€μž₯ μž‘κ³ , κ°€μž₯ 큰 μ‚¬λžŒ(극단 μ‚¬μš©μž)의 μ‚¬μš©μ„ κΈ°μ€€μœΌλ‘œ 섀계
  • κ°„λ‹¨ν•œ λ¬Έμ œμ—λŠ” 이 접근이 κ°€μž₯ 효율적
  • λ°±λΆ„μœ„(Percentile) κ°œλ…μ„ μ‚¬μš©ν•˜μ—¬ 섀계 수치λ₯Ό κ²°μ •
 

Principle 2: Providing Adjustability

Allow the product to be adjusted to accommodate different users
 

μš”μ 

  • λͺ¨λ“  μ‚¬μš©μžλ₯Ό ν•œ 치수둜 λ§žμΆ”κΈ° μ–΄λ ΅λ‹€λ©΄, 쑰절 κ°€λŠ₯ν•œ μ œν’ˆμœΌλ‘œ λ‹€μ–‘ν•œ 신체 쑰건을 수용
  • 쑰절 κ°€λŠ₯μ„±(adjustability)은 human variabilityλ₯Ό μ™„ν™”ν•˜λŠ” κ°€μž₯ 직접적 μˆ˜λ‹¨

 

Principle 3: Best Single-Configuration Design

Find one fixed configuration that maximizes population accommodation
 

핡심

  • 쑰절 λΆˆκ°€λŠ₯ν•œ μ œν’ˆμ΄λΌλ©΄, λͺ¨λ“  μ‚¬μš©μžμ—κ²Œ κ°€μž₯ 잘 λ§žλŠ” ν•˜λ‚˜μ˜ 섀계λ₯Ό μ°Ύμ•„μ•Ό 함
  • μ΄λ•Œ β€œν‰κ· κ°’β€μ΄ μ•„λ‹ˆλΌ β€œμˆ˜μš©λ„ 곑선(accommodation function)β€μ˜ μ΅œλŒ“μ μ„ 찾음

 

Principle 4: Horizontal Segmentation

If clear subgroups exist, design separate versions for each
 

μš”μ 

  • μ‚¬μš©μž 집단이 λšœλ ·ν•˜κ²Œ λ‹€λ₯Έ μš”κ΅¬λ₯Ό κ°€μ§„λ‹€λ©΄ ν•˜λ‚˜μ˜ μ΅œμ κ°’ λŒ€μ‹  μ—¬λŸ¬ 개의 μ„Έκ·Έλ¨ΌνŠΈ(예: small/medium/large)둜 λ‚˜λˆ„μ–΄ 섀계

 

Fusion & Selection

Fusion: combine the advantages of two or more designs

Selection & Combination: allow users to choose and assemble components

 

핡심

  • Fusion은 β€œμ§œμž₯ + μ§¬λ½•β€μ²˜λŸΌ κΈ°μ‘΄ μ†”λ£¨μ…˜μ˜ μž₯점을 합쳐 ν•˜λ‚˜μ˜ ν•˜μ΄λΈŒλ¦¬λ“œλ‘œ λ§Œλ“œλŠ” 것
  • Selection & combination은 μ‚¬μš©μžκ°€ 직접 ꡬ성 μš”μ†Œλ₯Ό 선택할 수 있게 함

 

Personalized Recommendation

Use user data to recommend the most suitable product or configuration
  • AI/LLM을 μ΄μš©ν•΄ μ‚¬μš©μžμ˜ μ²΄ν˜•, μƒν™œμŠ΅κ΄€μ„ 기반으둜 맞좀 μ œν’ˆ μΆ”μ²œ 및 μ‚¬μš© κ°€μ΄λ“œλ₯Ό 제곡
 

Persona

Design for a specific primary persona; extend later for others
 

μš”μ 

  • Primary personaλ₯Ό ν•˜λ‚˜ μ •ν•˜κ³ , κ·Έ μ‚¬λžŒμ„ μœ„ν•œ 졜적 섀계λ₯Ό λ¨Όμ € λ§Œλ“  λ’€ adjustability, segmentation, fusion 으둜 컀버 λ²”μœ„λ₯Ό λ„“νž˜
  • personaλŠ” λ‹¨μˆœν•œ ν”„λ‘œν•„μ΄ μ•„λ‹ˆλΌ μ„œμ‚¬μ  인물이어야 함

 

Design Tools for Accommodation

Tool
μ„€λͺ…
Manikin family
λ‹€μ–‘ν•œ μ²΄ν˜•μ˜ λ””μ§€ν„Έ 인체 λͺ¨λΈ
HADRIAN DB
고령자·μž₯μ•  포함 인체 λŠ₯λ ₯ DB
3rd age suit
λ…Έν™” μ²΄ν—˜ 슈트
VR evaluation
κ°€μƒν˜„μ‹€μ„ ν†΅ν•œ μ‚¬μš© μ²΄ν—˜

μΆ”μ²œ κΈ€

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