balancing mechanism of wheelchair seat against the angle of inclination without electric energy...
DESCRIPTION
1. Motivation Wheelchair is only means of movement for the disabled Wheelchair users inevitably meet some stairs, raised spots and slopesTRANSCRIPT
Balancing Mechanism of Wheelchair Seat against The Angle of Inclination without Elec-
tric Energy
Group name : 올라가 조20081972 박경원20091994 정태산20102068 이효진20111974 강석우
Contents
1. Motivation2. Goal3. Related Patents4. Our Concept5. Numerical Analysis6. Verification for Stability & Efficiency7. Overall design8. Reference
1. Motivation
• Wheelchair is only means of move-
ment for the disabled
• Wheelchair users inevitably meet some stairs, raised spots and slopes
1. Motivation
• A wheelchair climbing some terrain has
to balance its seat for stability.• Wheelchair users often complain about
battery duration time.
1. Motivation
https://www.youtube.com/watch?v=CQkKOoztij0
2. Goal
Design and make a system to bal-ance
wheelchair seat by using force of gravity instead of electric energy.
3. Patents
Hand-operated
3. Patents
Consume electric energy
4. Our concepts
FRs
Rotate Deceler-ate Fix
(1) FRs & DPs
4. Our concept
DPs
Pivot Spring Switch
(1) FRs & DPs
4. Our concept
H
• We modified our concept.
5. Numerical analysis
(1)Center of Gravity① Average body dimension of men in 30’s② Simplify body such as head, torso, arms,
legs③
5. Numerical analysis
5. Numerical analysis
(2) Measure the battery efficiency
5. Numerical analysis
In process..
6. Verification for stability & Efficiency
We will prove that our product can
save electric energy and is stable
7. Overall design
In process..
• http://www.kipo.go.kr – 특허청• PYH2010041701830001300_P2http://app.yonhapnews.-
co.kr/YNA/Basic/Gallery/YIBW_showPhotoNews_New.aspx?contents_id=PYH20100417018300013
• 닥터메디 www.doctormedi.com• 경성대학교 고령친화 백화점 selris.co.kr• http://wheelopia.co.kr/powerchair/top_chair.html• 창의적 문제해결 TRIZ 100 배 활용하기 1, 정찬근 정다혜 이경원 공저• http://www.hankyung.com/news/app/newsview.php?aid=20
1104192575g• http://www.seoul.co.kr/news/newsView.php?id=201308150
09012• http://www.consumertimes.kr/sub_read.html?uid=235§
ion=sc5• http://pann.news.nate.com/info/252870940• wPYH2010041701830001300_P2http://app.yonhapnews.-
co.kr/YNA/Basic/Gallery/YIBW_showPhotoNews_New.aspx?contents_id=PYH20100417018300013
8. Reference
Q&A