Top Banner
V i t a l i s Wireless Biometric Sensor ECE 477 Final Presentation Team 13 Spring 2013 Paste a photo of team members with completed project here. Annotate this photo with names of team members. Shantanu Joshi /Aakash Lamba / Di Mo / Yi Shen
14

V i t a l i s

Mar 23, 2016

Download

Documents

ondrea

V i t a l i s. ECE 477 Final Presentation Team 13  Spring 2013. Paste a photo of team members with completed project here. Annotate this photo with names of team members . Wireless Biometric Sensor. Shantanu Joshi / Aakash Lamba / Di Mo / Yi Shen. Outline. Project overview - PowerPoint PPT Presentation
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: V  i  t a l  i  s

V i t a l i sWireless Biometric Sensor

ECE 477 Final Presentation Team 13 Spring 2013

Paste a photo of team members with completed project here. Annotate this photo with names of team members.

Shantanu Joshi /Aakash Lamba / Di Mo / Yi Shen

Page 2: V  i  t a l  i  s

Outline

• Project overview• Block diagram• Design challenges• Individual contributions• Project demonstration• Questions / discussion

Page 3: V  i  t a l  i  s

Project Overview• Most biometric sensors in hospitals are bulky and therefore reduce

patient mobility. Our device solves this problem since it is lightweight and portable.

• Our device is a wrist mounted biometric sensor that measures a patient’s pulse, oxygen-saturation and skin temperature.

• A companion web-app receives data transmitted wirelessly from the device to our servers and thus allows the doctors and other care providers to remotely monitor the patient at all times.

• Our device also has the ability to automatically trigger an alarm upon detecting anomalous readings.

• In order to make our device more robust we have also added the ability to detect if the user has suffered a fall and appropriately raise an alarm.

Page 4: V  i  t a l  i  s

Block Diagram

Page 5: V  i  t a l  i  s

Design Challenges• Portability

The PCB was made as small as possible (final size was 10.41 X 5.6 cms)

The device was battery powered and had on board recharging capabilities (used breakout boards for fuel gauge and on board recharging). To maximize battery life, used a 2000mAh battery

Device secured onto wrist using a neoprene band. Sensors placed so as to minimize discomfort to wearer

Final Prototype

Page 6: V  i  t a l  i  s

• Alarm system The micro detects whether readings for SPO2, temperature or

pulse fall above or below preset thresholds To notify patient, the OLED screen on the device turns red and

clears only when the alarm has been transmitted via the web server

To reduce false alarms for fall detection, the accelerometer was mounted on the shoulder

Design Challenges (2)

Alarm notification Accelerometer placement

Page 7: V  i  t a l  i  s

• Device needs to communicate to central server The Wi-Fi module

automatically connects to preprogrammed SSID

Since module must send GET requests to web app (hosted on Heroku which doesn’t accept incoming TCP connections), an intermediate web site had to be setup on a local computer running an apache server to bridge the module and web app

Design Challenges (3)

Web app UI

Page 8: V  i  t a l  i  s

Individual Contributions

• Team Leader – Shantanu Joshi• Team Member 2 – Aakash Lamba• Team Member 3 – Mo Di• Team Member 4 – Yi Shen

Page 9: V  i  t a l  i  s

Team Leader – Shantanu Joshi

• Software lead• Created the website and setup server• Worked on prototyping sensors (accelerometer,

temperature sensor, fuel gauge)• Worked on setting up Wi-Fi module• Involved with packaging• Fixed various hardware and software bugs

related to I2C and our final PCB

Page 10: V  i  t a l  i  s

Member 2 – Aakash Lamba

• Tested and verified the power section of our design. Resolved power related bugs

• Worked on packaging the device• Helped in debugging issues related to Wi-Fi and

I2C• Debugged and tested final PCB• Worked on setting up the prototyping

environment for PDIP package• Packaged and tested various sensors

Page 11: V  i  t a l  i  s

Member 3 – Mo Di

• Was the main force behind getting the SPO2 sensor up and running

• Created CAD models for our design• Arranged for 3D printing, which used the CAD

drawings Mo Di had prepared• Played a significant role in part selection• Involved closely with final packaging• Programmed the display for our device

Page 12: V  i  t a l  i  s

Member 4 – Yi Shen

• Was responsible for our PCB design. Created the PCB’s for both our power board and main module

• Modified PCB design based on design review feedback

• Populated the final PCB with components• Helped with debugging power related issues• Helped in packaging the SPO2 sensor• Set up team website

Page 13: V  i  t a l  i  s

Project Demonstration1. An ability to determine pulse and Spo2 readings from

blood light absorption.2. An ability to display the user’s vital statistics on the

OLED screen. 3. An ability to remotely monitor a users medical status

from a website via secure login.4. An ability to activate an alarm automatically in response

to anomalous readings of vitals.5. An ability to detect if the user has suffered a fall.

Page 14: V  i  t a l  i  s

Questions / Discussion