Chair Balancing Mechanism for Battery Efficiency Group name : 올라가 조 박경원 정태산 이효진 강석우

Contents 1. Motivation 2. Main point 3. Existing design 4. Our design 5. Our advantages 6. Consideration for design 7. Reference

1. Motivation duration time weight price … Electric energy efficiency

1. Motivation Battery efficiency is enormously important for the disabled It is difficult to increase battery efficiency on driving part → chair design

2. Main point Wheelchair seat design for rising the electric energy efficiency

3. Existing design hand-operated

3. Existing design consume a lot of electricity

3. Existing design consume a lot of electricity

atch?v=CQkKOoztij0 3. Existing design

4. Our design mgh

5. Our advantages

6. Consideration for design 1.Robust design 2.Easy fixed system 3.Gradient control system

– 특허청 PYH _P2http://app.yonhapnews.c o.kr/YNA/Basic/Gallery/YIBW_showPhotoNews_New.as px?contents_id=PYH Reference

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