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ECE5320 Mechatronics

Assignment#01: Literature Survey on Sensors and ActuatorsAssignment#01: Literature Survey on Sensors and Actuators

Toic: E!" E$ectrocardiogram% Sensor

Prepared by:

Azarias Dolores

Dept. of Electrical and Computer Engineering

Utah State Universityazariasdgmail.com ! ": #$%&'((& )$&*&!

+: #$%&'*,*)%-&$ #ECE Dept.'

2&02&0'


2/20

10&1(&1) ECE5320 Mechatronics* Assignment#1 Survey on sensors and actuators

S$ide+2

,ut$ine- .e/erence $ist

- To e$ore /urther

- Maor a$ications

- Limitations

- $$ustration o/ ot 4ire ro6e

- ros and Cons- Constant Temerature ot 4ire Anemometer

- 4heatstone 7ridge Con/iguration

- 8sing current to /ind /$o9 rate

- Ca$i6ration

- "ood to !no9

- ro6e Cost Eam$es

- Maor Seci/ications

- 4here to 6uy


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.e/erence $ist1. course1.winona.edu/ewilson/documents/26ch19_000.ppt2* htt:&&999*tu/ts*edu&med&nutrition+in/ection&tnc+cdaar&rotoco$s&E!"*d/

3. http://www.hst.aau.dk/~kdn/undervis/Basis/E!6"39#.pd$

)* htt:&&999*emedicinehea$th*com&e$ectrocardiogramecg&age;em*htm#Mu$ti

media

5* htt:&&999*iaa*nc20'(012'*d/

(* medresidents*stan/ord*edu&***&E/>207asics&E/>207asics>20+

>20Long*t

?* htt:&&en*9i


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S$ide+)

To e$ore /urther

D Understanding ho0 sensor 0or1s.

- www.etc.cmu.edu/pro&ects/'io$eed'ack/research/ekg.doc

- www.$ourier(s)s.com/pd$s/sensors/ECG_*+1,9.pd$

D "he understanding of Electrocardiography*

- Conover Mary 7oudreau* -nderstandin Electrocardioraph)

eventh Edition. t. ouis: os') 1996.

- course1*9inona*edu&e9i$son&documents&2(ch1'000*t

Carr Foseh F* and Fohn M* 7ro9n*ntroduction to Biomedical

E4uipment +echnolo). 5ew ork: 7ohn 8ile) ons 19,1.

- 4agner "a$en S*ariotts ;ractical Electrocardioraph) 5inth

Edition. Baltimore: 8illiams and 8ilkens 199


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Maor a$ications cont*%- 8sing ( e$ectrodes or $eads 9e are a6$e to

measure the cardiac e$ectricity heart rate

resiration temerature 9ave/orm and

6$ood ressure*

Chest leads location[2]


7/20


S$ide+?

Maor a$ications cont*%

D Temerature can 6e

determine heart rate

and 9ave/orm*

Standard leads location[2]


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E$ectrocardiogram rinci$e

D There is an uneHua$ concentrations o/

ions on the musc$e ce$$s mem6ranes

9hat means a o$ariIation* This ust

haen at rest* ,n the outsidemem6rane there is sodium ions 9ith

ositive charge di//erent /rom the inside

ce$$*

D The di//erence o/ the ce$$ otentia$ isa6out '0 mJK3*


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Cell Membrane[3]


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E$ectrocardiogram rinci$e cont*%

D The musc$e stimu$ate the ce$$ causing an increment o/ sodium

ermea6i$ity* This a$$o9 the sodium ions get unti$ the inside

$ayer causing an e$ectrica$ /ie$d*

D This change o/ ce$$ otentia$ or vo$tage u$se causes a musc$econtraction*

D The sum o/ this vo$tage u$se can 6e recorded on the sur/ace

s


10/20


11/20


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Leads 4ave/orm

D The image in the right is the

9ave/orm o/ 9hat it is sense heart

6eating%*

D The $ane diagram i$$ustrate the

hase degree o/ 9hat each $eads is

sensing in the same signa$*


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Wave sequence [4].

Wave & leads sensedegree

Phase degree o the signal [!].


13/20

Leads 4ave/orm


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Wave sequence [4].

Wave & leads sensedegree

Phase degree o the signal [!].

D Leads signa$ at the same time eriod

Phase o the signal in each lead["].


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4ave/orm

D P 0ave ) reresents the e$ectrica$ signa$ in the uercham6ersdeo$ariIation o/ the atria% o/ the heart and

occurs 6e/ore the atria contract to sHueeIe 6$ood into

the $o9er cham6ers the ventric$es%* .eo$ariIation o/

the atria is hidden 6y the P.S 9ave*

D 45S 0ave )reresents the e$ectrica$ signa$ that occurs

6e/ore the ventric$es sHueeIe 6$ood out through the

aorta and to the 6ody deo$ariIation o/ the ventric$es%*

D " 0ave )reresents the e$ectrica$ signa$ that occurs ust

6e/ore the uer cham6ers o/ the heart eand and re/i$$9ith 6$ood reo$ariIation o/ the ventric$es%* .esonse

timeK1*


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Wave sequence [4].


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A Sim$e Con/iguration

D This is a sim$e circuit to e$iminate common

noise using and di//erentia$ am$i/ier*

D More com$e

data rocessing

and /i$tering

using GS*


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Sim#le $i%erential am#li&er['].

()* t+#icalim#lementation [,]


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Maor Sensor Seci/ication

D Jo$tage outut /rom 0 to )*5 mJ

D .eso$ution around )*5QJ

D Sam$e rate 50+200 sam$es er second

D Ge/au$t sam$e rate 200 ss%

D .ange )?+250 6eats er minutes

D .eso$ution 1 6eat er minute


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S$ide+1?

Additiona$ EHuiment Reeded

D 8S7 Lin< s+2010% 9ith 8S7+comati6$ecomuter or a S+2000 $orer*

D GataStudio Li/e so/t9are version 1*? or $ater%

D Science 4or


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6aintenance

D !et e$ectrodes re/rigerated in a c$ean dry

airtight*

D The resence o/ meta$ or magnets on the

6ody can distur6 E!" signa$*

DC$ean the areas o/ s


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Gi//erent E$ectrodes Shaes

Gisosa6$e E$ectrodes

[-]

.eusa6$e E$ectrodes

Reed$e E$ectrodes

[-]

[-]

Active E$ectrodes

[-]


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4here to 6uy

D htt:&&999*vermed*com&gc$idBCReHyEs(AC@.

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