Application of Cloud Computing in Physical Activity Research Terry B J Kuo 1,2,3, I-Te Hsieh 1,2, Jia-Yi Li 1,2, Chun-Yu Chen 1, Chun-Ting Lai 1, Yu-Cheng Lin 1, Cheryl C H Yang 1,2,3 1 Institute of Brain Science and 2 Sleep Research Center, National Yang-Ming University; 3 Department of Education and Research, Taipei City Hospital
Accelerometer (G-sensor)
G-sensor & Display
G-sensor & Disk Drive
G-sensor & Game
G-sensor & Exercise Energy Expenditure (calorie/kg/min) = x G Sensor Counts Tanaka et al (2007) Obesity
G-sensor & Sleep W SW S2 REM S1 X Y Z Kuo et al (2012) Clin Neurophysiol
G-sensor & Heart G-sensor ECG S1 S2
G-sensor & Respiration G-sensor (Z) G-sensor (Y) X Y Z Respiration Heart Beat
Biomedical Applications of G-sensor G-sensor Posture Exercise Respiration Heart Sleep Tremor Others
Biomedical Applications of G-sensor G-sensor Posture Exercise Respiration Heart Sleep Tremor Others
Requirement Long-term monitoring of Sleep and Exercise Solution Sensor: G-sensor (Accelerometer) Platform: Cloud-computing Platform
Automatic Cloud Computing Actimeter System User & Wireless Actimeter User Interface Analysis Engines: Linear Analysis Non-liner Analysis Exercise Analysis Sleep Analysis Data Base Router Web Browser Automatic Upload User & Wireless Actimeter User Interface Analysis Engines: Linear Analysis Non-liner Analysis Exercise Analysis Sleep Analysis Data Base Router Web Browser Automatic Uploading
Specifications G-sensor 1 to 5 mG for sleep, 100 to 1000 mG for exercise Sampling: 12 bit 100 Hz, Range: ± 2G Automatic Wireless Uploading to Internet Ultra low power (ULP) wireless technology Battery Coin type: CR2032 (200 mA Hour) Operation time 2 Weeks = 14 Days = 336 Hours Current Consumption 200 mA Hour / 336 Hour = 600 u A Affordable Retail Price < 300 USD
Block Diagram of KY9 Wireless Actimeter
G-sensor Provided by Freescale
Micro-controller Provided by Texas Instrument
Memory Provided by Ramtron
Radio Frequency Xenon 2C Ultra-low-power RF module Nordic Semiconductor nRF24LE1 Power supply: 1.9 to 3.6 V Standby current (UART active): 4 uA Working current (RF active): 4 mA Zero data loss Provided by K&Y Lab
Circuit Design
Firmware Design
Radio Frequency Transceiver Accelerometer MCU F-RAM Battery Radio Frequency Transceiver Accelerometer MCU F-RAM Battery Prototype of KY9 Wireless Actimeter
Technical Specification of KY9 Wireless Actimeter
Wireless Router Xenon Router Ultra-low-power RF Xenon RF protocol 2.4 GHz 1mW Nordic nRF24LE1 chip Internet General Packet Radio Service Ethernet Provided by K&Y Lab
Internet Cloud 10 meter 1 mW Automatic Data Uploading Data Display with Pad Computer Connecting to Internet Xenon Router
Uploading Temporatory Storage in F-RAM Lossless Cloud Recording X
Continuous and On-line Recording of Physical Activity (PA) in the Cloud Server
Sleep and Exercise Analysis Sleep Energy Expenditure (calorie/kg/min) = x PA Tanaka et al (2007) ObesityKuo et al (2012) Clin Neurophysiol PA (mG)
Cloud-computing Sleep and Exercise Analysis
Service Cloud-computing Healthcare Storage Analysis Short Message Service Walk 1 hour, sleep 8 hour today! G-sensing Uploading
A fine integration of sensor technology, information technology and biomedical technology may provide useful healthcare service to peoples especially the elderly.
Acknowledgement I-Te Hsieh 謝一德 Wei-Ting Lin 林威廷 Cheng-Han Wu 吳承漢 Yen-Pu Lin 林彥溥 Chung-You Chen 陳重佑 Shun-Ping Lin 林順萍 Chun-Pu Wang 王淳莆
Analysis Exercise & Sleep with G Sensor SMS: Walk 1 hour & Sleep 8 hours today! Measure BP Cloud-Computing Healthcare SMS: Good Work! Measure BP again