1. Presentation for ENSC 440/305 Instructors: Patrick Leung, Steve Whitmore Department of Engineering Science Simon Fraser University

2. 2015/10/62 Outline 2015/10/62  Introduction  System Features  System Development  Scheduling  Cost  Potential Market  Problems Encountered  Future Extensions Copyright © 2008 Corazon Engineering Inc.

3. 2015/10/63 Introduction 2015/10/63 Copyright © 2008 Corazon Engineering Inc.

4. 2015/10/64 Motivation 2015/10/64  36% of all death in U.S. are caused by cardiovascular diseases in 2007 American Heart Association  Physicians cannot effectively predict heart attac Study conducted by Dr. Lewis Kuller  “Heart rate itself does not completely reflect the state of the health of the heart, without knowing what the person is doing.” Dr. William New, Stanford University Copyright © 2008 Corazon Engineering Inc.

5. 2015/10/65 Existing Heart Rate Monitoring System 2015/10/65  Most devices monitors heart rate only  Do not know the activity associated with heart rate  Lack of mobility for medical equipments Copyright © 2008 Corazon Engineering Inc.

6. 2015/10/66 Our Solution  Heart rate with their associated activity  Non-invasive and mobile  Monitoring result is transferable to medical professionals  Affordable Copyright © 2008 Corazon Engineering Inc.

7. 2015/10/67 7 Corazon Engineering Inc.  Why we name ourselves Corazon? -Corazon means “Heart” in Spanish.  Our Mission Statement - Applying the cutting-edge technology to develop innovative products on preventing heart related disease. Copyright © 2008 Corazon Engineering Inc.

8. 2015/10/68 8 Company Profile Benny Hung [CEO] Mike Mao [CFO] Thomas Cho [CTO] Philip Lin [VP of Engineering] Copyright © 2008 Corazon Engineering Inc.

9. 2015/10/69 System Development 2015/10/69 Copyright © 2008 Corazon Engineering Inc.

10. 2015/10/610 System Overview 2015/10/610 Copyright © 2008 Corazon Engineering Inc.

11. 2015/10/611 Heart Rate Sensor Module 2015/10/611  General ECG Properties  Design Consideration  Sensor Performance Copyright © 2008 Corazon Engineering Inc.

12. 2015/10/612 General ECG Properties 2015/10/612  ECG Signal Bandwidth: 0.5 Hz ~ 100 Hz  ECG Signal Amplitude : ~ 1mV Copyright © 2008 Corazon Engineering Inc.

13. 2015/10/613 Design Consideration  Proper filters to extract the heart beat information  Suitable amplifiers to provide signal for MCU to calculate heart rate Copyright © 2008 Corazon Engineering Inc.

14. 2015/10/614 Design Overview Copyright © 2008 Corazon Engineering Inc.

15. 2015/10/615 Artifact Remover With Artifact Remover Without Artifact Remover

16. 2015/10/616 Filter Performance 100Hz Low Pass Filter Copyright © 2008 Corazon Engineering Inc. 60Hz Notch Filter

17. 2015/10/617 FFT for Pulse Output Copyright © 2008 Corazon Engineering Inc.

18. 2015/10/618 How does it look BeforeAfter Copyright © 2008 Corazon Engineering Inc.

19. 2015/10/619 Motion Sensor Module  MEMS based accelerometer  3-Axis output 2015/10/619 Copyright © 2008 Corazon Engineering Inc.

20. 2015/10/620 Functionality  G-forces table  Set threshold at boundary Copyright © 2008 Corazon Engineering Inc. G ForceAnalog Value - 11.00 V 01.70 V 12.30 V G ForceAnalog Value 0.52.00 V -0.51.22 V

21. 2015/10/621 How does it look Copyright © 2008 Corazon Engineering Inc.

22. 2015/10/622 Microcontroller 2015/10/622  I/O Connections  Heart rate detection  Position/Motion detection Copyright © 2008 Corazon Engineering Inc.

23. 2015/10/623 I/0 Connections 2015/10/623 ADC Timer input capture UART Copyright © 2008 Corazon Engineering Inc.  Motion sensor  Heart rate  Bluetooth

24. 2015/10/624 Heart Rate Calculation Copyright © 2008 Corazon Engineering Inc.

25. 2015/10/625 Position/Motion Detection Average 1.78 Variance 0.025 Average 1.76 Variance 0.19 Copyright © 2008 Corazon Engineering Inc. Stationary Moving

26. 2015/10/626 Implementation in MCU  Human motion limitation at 4 Hz  Sampling at 10 Hz  Average of data for static position  Variance of data for motion level Copyright © 2008 Corazon Engineering Inc.

27. 2015/10/627 Firmware Flow Chart 2015/10/627 Copyright © 2008 Corazon Engineering Inc.

28. 2015/10/628 Symbian Application  Bluetooth client  User interface for our system  Logs data into text file 2015/10/628Copyright © 2008 Corazon Engineering Inc.

29. 2015/10/629 Application State Diagram Copyright © 2008 Corazon Engineering Inc.

30. 2015/10/630 Scheduling 2015/10/630 Copyright © 2008 Corazon Engineering Inc.

31. 2015/10/6312015/10/631 Initialize Schedule VS. Actual Progress Copyright © 2008 Corazon Engineering Inc. Initialize Schedule Actual Progress

32. 2015/10/632 Cost 2015/10/632 Copyright © 2008 Corazon Engineering Inc.

33. 2015/10/6332015/10/633 Cost Comparison Miscellaneous Include: connector head, power switch, LED and Labeling Components Budget Cost Implementation Cost Accelerometer 10.00 20.00 ADC 20.00 - Battery Power System 20.00 10.00 Bluetooth Module 50.00 97.00 Cables 20.00 5.00 Case 20.00 10.00 Electrode 20.00 8.85 Heart Rate Monitor Module 80.00 38.00 Microcontroller 100.00 60.00 PCB 10.00 - Miscellaneous 50.00 PCB Fabrication from Hong Kong - 400.00 Total Cost 400.00 698.85 Copyright © 2008 Corazon Engineering Inc.

34. 2015/10/634 Potential Market 2015/10/634 Copyright © 2008 Corazon Engineering Inc.

35. 2015/10/635  Personal Health Monitoring  Elderly Home Monitoring  Heart Rehabilitation Program  Military and Rescue Personnel Use  Athletic Performance Training Potential Market Copyright © 2008 Corazon Engineering Inc.

36. 2015/10/636 Problems Encountered 36 Copyright © 2008 Corazon Engineering Inc.

37. 2015/10/637 Problems Encountered 2015/10/637  Signal artifacts caused by electrode contact  Initial motion sensors broke during testing  Homemade PCBs did not turn out well  Microcontroller register not set properly  Symbian application installation problems due to IDE versioning Copyright © 2008 Corazon Engineering Inc.

38. 2015/10/638 Future Extensions 38 Copyright © 2008 Corazon Engineering Inc.

39. 2015/10/639 Future Extensions 39  Wireless Sensor  Additional static positions detection  Specific motion detection  Port our phone application to other platform  Variety of Bio-Sensors for other health monitoring Copyright © 2008 Corazon Engineering Inc.

40. 2015/10/640 Acknowledgements 2015/10/640 Copyright © 2008 Corazon Engineering Inc.

41. 2015/10/641 Product Demonstration 2015/10/641 Copyright © 2008 Corazon Engineering Inc.

42. 2015/10/642 Question Period 2015/10/642 Copyright © 2008 Corazon Engineering Inc.

43. 2015/10/643 Our Feelings Copyright © 2008 Corazon Engineering Inc.  Benny Hung – “A milestone for all knowledge I have learned in the past five years as a undergraduate student”  Mike Mao – “A great overall engineering experience, from initial design to the completion of prototype device”  Thomas Cho – “A great opportunity for me to learn more about Symbian programming”  Philip Lin – “Amazing team work experience and a good opportunity to apply all the hardware knowledge learned throughout my undergraduate studies”

44. 2015/10/644 We are done ! Copyright © 2008 Corazon Engineering Inc.

45. 2015/10/645 End 2015/10/645 Copyright © 2008 Corazon Engineering Inc.