presented by: charbel a. habib harpreet kaur jassal hassan a.m. muhsen
TRANSCRIPT
![Page 1: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/1.jpg)
Presented By:Charbel A. Habib
Harpreet Kaur JassalHassan A.M. Muhsen
![Page 2: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/2.jpg)
OutlineThe Project
Input unit Processing unitControl UnitOutput unit
Future WorkConclusion
![Page 3: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/3.jpg)
The ProjectSystem Architecture
System Architecture
Input Unit
Main Unit(Microcontroller/PC)
Robot (Output Unit)
EOG Sensors(Electrodes)
Amplifier
Process Unit
Control Unit
Filtering
Segmentation
Translation
Comunicator
![Page 4: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/4.jpg)
EOGEOG Signal
EOG: Electrooculogram the recording of the changes in voltage that occur
with the eye position.
o Electro: electricalo Oculo: eyeo Gram: recording
![Page 5: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/5.jpg)
EOGEOG Signal
EOG: Electrooculogram spherical battery
positive terminal: the cornea negative terminal: the retina.
0.4 and 1 mV
![Page 6: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/6.jpg)
EOGEOG Signal
![Page 7: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/7.jpg)
EOGEOG Signal
The signals are measured using EEG disposable electrodes
![Page 8: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/8.jpg)
Input UnitSensors
Amplifier
![Page 9: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/9.jpg)
EOGElectrode signal:
0.4 and 1 mV
This low voltage is not strong neither usable
SOLUTION: ???
![Page 10: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/10.jpg)
EOGAmplifier
Designing an amplifier Requirements:
Total gain of 5000 Cutoff frequency of 25Hz LPF Offset compensation
![Page 11: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/11.jpg)
Amplifier Design
![Page 12: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/12.jpg)
Buffer Amplifier
U1A
LM747AH
4
3
5
2
1
R1
3.3k
R23.3k
1
VCC
12V
nVCC
-12V
VCC
nVCC
V1500mV
0
3
U2A
LM747AH
4
3
5
2
1
R3
3.3k
VCC
12V
VCC
-12V
V2200mV
6
0
VCC
VCC
4
XMM1
2
5
![Page 13: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/13.jpg)
Difference Amplifier
Amplifier Gain = -R2/R1
U3A
LM747AH4
3
5
2
1
VCC
12V
nVCC
-12V
VCC
R4
3.3k
R5
3.3kR83.3k
10
0
R6
33k
R7
33k7
nVCC8
XFG2
XSC3
A B
G
T
XSC1
A B
G
T
0
9
12
11
![Page 14: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/14.jpg)
High Frequency Filter
4th order Butterworth FilterCut off Frequency of Filter
(f0)= 1/(2π*R*C)
R1
10k
R2
10k
R3
10kU3A
LM747AH
4
3
5
2
1
VCC
12V
nVCC
-12V
VCC
nVCC
R4
5.6k
1
R5
10k
R6
10k
R7
10kU1A
LM747AH
4
3
5
2
1
VCC
12V
VCC
-12V R8
5.6k
7VCC
VCC
XFG1
0
XSC1
A B
G
T
0
XSC2
A B
G
T
9
0
C50.47uF-POL
3
4
C10.47uF-POL
2
0
C20.47uF-POL
6
8
C30.47uF-POL
5
0
![Page 15: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/15.jpg)
Low Pass Filter
![Page 16: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/16.jpg)
Summer Amplifier
U1A
LM747AH4
3
5
2
1
VCC
12V
nVCC
-12V
R1
10k
R2
10k
R3
10k
R410k
R5
20K_LINKey = A
50%1
0 2
4
XFG1
XSC1
A B
G
T
5
XSC2
A B
G
T
3
0
VCC
12V
VCC
VCC
12V
VCC
0
![Page 17: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/17.jpg)
Inverting and Non inverting Amplifier + Rectifier
Inverting Amplifier = -R2/R1 & Non Inverting Amplifier = 1+ R2/R1
XFG1
XSC1
A B
G
T
U1A
LM747AH4
3
5
2
1
VCC
12V
nVCC
-12V
R1
3.3k
R2
33k
2
0
XSC2
A B
G
T
R3
10k
0
D2
1N4001GP
6 4
U2A
LM747AH4
3
5
2
1
VCC
12V
nVCC
-12VR4
3.3k
R5
33k
0 3
D1
1N4001GP
5
0
1
XSC3
A B
G
T
R6
10k
7
0
![Page 18: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/18.jpg)
Half Wave Rectifier
![Page 19: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/19.jpg)
Amplifier Implementation
![Page 20: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/20.jpg)
Amplifier Gain
![Page 21: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/21.jpg)
Problems Unavailability of small power supply
Electrodes
Amplifier Vcc supplier
![Page 22: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/22.jpg)
Main UnitProcess Unit
Control Unit
![Page 23: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/23.jpg)
Processing UnitRight side movement of eyes
Left side movement of eyes
Movement of eyes during reading
Upside movement of eyes
Downward movement of eyes
Blinking movement of eyes
![Page 24: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/24.jpg)
Signal ProcessingFiltering (Median Filter)Segmentation (Clustering)
![Page 25: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/25.jpg)
Original Data
![Page 26: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/26.jpg)
Filtered Data
![Page 27: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/27.jpg)
Segmented Data
![Page 28: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/28.jpg)
ProblemsMicrocontroller Delay
Median Filter Window Size
![Page 29: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/29.jpg)
Control Unit
Control Unit
Translation
Comunicator
![Page 30: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/30.jpg)
Control UnitTranslation (PWM)
Center = 128Right & Up = 185Left & Down = 70
CommunicationDirect from Microcontroller
![Page 31: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/31.jpg)
Main Unit
Overall PictureStart
Running Mode
Read Input
Yes
Process input
Send Output
Calibrate
No(Learning Mode)
End
![Page 32: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/32.jpg)
ProblemsCalibration
ADC Delay
![Page 33: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/33.jpg)
Output Unit
![Page 34: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/34.jpg)
Demo
![Page 35: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/35.jpg)
Future WorkOn/Off Mechanism
Real Neck Implementation
Applying to Aesop3000
![Page 36: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/36.jpg)
Conclusion
![Page 37: Presented By: Charbel A. Habib Harpreet Kaur Jassal Hassan A.M. Muhsen](https://reader035.vdocuments.net/reader035/viewer/2022070409/56649e855503460f94b87606/html5/thumbnails/37.jpg)
THANKSAny Questions???