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Posture Correction System International Team (Mechanical and Environmental Informatics)

Posture Correction System International Team (Mechanical and Environmental Informatics). Ahmet Cetinkaya Wonjun Choi Yusuke Ejiri Takuya Iwaki Chris Yao. Mechanical and Environmental Informatics Project November 25, 2009 Instructor: Tomohisa Hayakawa. Contents. Statistics Purpose

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Posture Correction System International Team (Mechanical and Environmental Informatics)

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  1. Posture Correction SystemInternational Team (Mechanical and Environmental Informatics) AhmetCetinkaya WonjunChoi Yusuke Ejiri Takuya Iwaki Chris Yao Mechanical and Environmental Informatics Project November 25, 2009 Instructor: Tomohisa Hayakawa

  2. Contents • Statistics • Purpose • Project scope • Implementation • Feasibility • System Overview • Questions

  3. Statistics • Over 10 million days lost per year due to musculo-skeletal absence per year (UK) • Millions spent on therapy and treatment • Reasons for back-pain or injuries among 13,808 people in Japan • Deskwork – 43.8% • Bad posture – 42.9%

  4. Purpose • Correct posture for computer usage • Reduced medical coverage • Increase overall health • Extensive add-on capabilities

  5. Project scope • Device connected to the computer and user • Detects whether user is in ideal posture or not • Warns user when deviating from ideal posture • Alarm system for extended computer usage • Tailored to each user’s individual needs

  6. Implementation • Hardware - SunSpot • One host device, two slave devices • Slave devices attached to user, possibly shoulder blades or chest idea • Accelerometer detecting change in posture • Host device connected to the computer • Wireless communication between host and slave

  7. Implementation (2) • Software • Programmed in Java • Detection algorithm for changes in accelerometer • Warning system • Timer • User interface to customize the Sunspot devices as well as the entire program

  8. Feasibility • Sunspot compatible with almost all platforms • User interface programmed in Java for easy integration • Source code control through Google code • Tasks divided between hardware and software

  9. PostureCorrectionSystem Stepsforinitializingposturecorrectionsystem 1 2 3 4 UserplacestwoSunSPOTDevicesto his/her body Usersets his/her own ideal posture Usersets his/her preferences Userstartstheposturecorrectionsystem

  10. PostureCorrectionSystem Stepsforinitializingposturecorrectionsystem 1 2 3 4 UserplacestwoSunSPOTDevicesto his/her body Usersets his/her own ideal posture Usersets his/her preferences Userstartstheposturecorrectionsystem PostureCorrectionSystemFeatures Warningswhendeviationfrom ideal posture Continuousvisualfeedback Alarm system GraphicalUserInterface

  11. PostureCorrectionSystem Stepsforinitializingposturecorrectionsystem 1 2 3 4 UserplacestwoSunSPOTDevicesto his/her body Usersets his/her own ideal posture Usersets his/her preferences Userstartstheposturecorrectionsystem PostureCorrectionSystemFeatures Warningswhendeviationfrom ideal posture DifferentLevels of Warnings Textualwarning Warningbysound Disablingmouse/keyboard Shuttingdownthecomputer Continuousvisualfeedback Alarm system GraphicalUserInterface

  12. PostureCorrectionSystem Stepsforinitializingposturecorrectionsystem 1 2 3 4 UserplacestwoSunSPOTDevicesto his/her body Usersets his/her own ideal posture Usersets his/her preferences Userstartstheposturecorrectionsystem PostureCorrectionSystemFeatures Warningswhendeviationfrom ideal posture Alarm System Encourageusertotakebreaks Warnusertotake a rest ifworkingtoolong Warnusertogobacktoworkifrestingtoolong Continuousvisualfeedback Alarm system GraphicalUserInterface

  13. PostureCorrectionSystem Stepsforinitializingposturecorrectionsystem 1 2 3 4 UserplacestwoSunSPOTDevicesto his/her body Usersets his/her own ideal posture Usersets his/her preferences Userstartstheposturecorrectionsystem PostureCorrectionSystemFeatures Warningswhendeviationfrom ideal posture Continuousvisualfeedback Show user’s posture on display Graphs and timers Continuousvisualfeedback Alarm system GraphicalUserInterface

  14. PostureCorrectionSystem Stepsforinitializingposturecorrectionsystem 1 2 3 4 UserplacestwoSunSPOTDevicesto his/her body Usersets his/her own ideal posture Usersets his/her preferences Userstartstheposturecorrectionsystem PostureCorrectionSystemFeatures Warningswhendeviationfrom ideal posture GraphicalUserInterface Customizingthe software Save/Loadusersettings Set levels of warnings CustomizingSunSPOTdevices Continuousvisualfeedback Alarm system GraphicalUserInterface

  15. Questions

  16. References • Sunspot • one basestation Sun SPOT unit with USB power • two free-range Sun SPOT units with onboard battery • Dimensions of the Sun SPOT are 41 x 23 x 70 mm. Weight is about 54 grams. • http://sunspotworld.com/docs/Red/SunSPOT-OwnersManual.pdf

  17. References (2) • Statistics and charts • http://www.myvoice.co.jp/biz/surveys/11908/index.html

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