Nghiên cứu thuật toán ước lượng soc cho modul pin lithium

ĈҤ,+Ӑ&7+È,1*8<Ç1
75ѬӠ1*ĈҤ,+Ӑ&.Ӻ
7+8Ұ7&Ð1*1*+,ӊ3

ĈӚ7+ӎ7+Ô<'ѬѪ1*

NG+,Ç1&Ӭ87+8Ұ772È1ѬӞ&/ѬӦ
C
CHO MODUL PIN LITHIUM

/8Ұ19Ă17+Ҥ&6Ӻ.+2$+Ӑ&

.Ӻ7+8Ұ7Ĉ,ӄ8.+,ӆ19¬7ӴĈӜ1*

Thái Nguyên ±1ăP
2019

6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
±Ĉ+71



ĈҤ,+Ӑ&
THÁI NGUYÊN
75ѬӠ1*ĈҤ,+Ӑ&.Ӻ7+8Ұ7&Ð1*1*

ĈӚ7+ӎ7+Ô<'ѬѪ1*
1*+,Ç1&Ӭ87+8Ұ772È1ѬӞ&/
ѬӦ1*6R
C
CHO MODUL PIN LITHIUM

&KX\rQQJjQK.ӻWKXұW
ÿLӅXNKLӇQYjWӵÿӝQ
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.Ӻ7+8Ұ7
Ĉ,ӄ8.+,ӆ19¬7ӴĈӜ1*+Ï$

1*ѬӠ,+ѬӞ1*'Ү1.+2$

PGS.TS 1*8<ӈ19Ă1&+Ë

Thái Nguyên - 1ăP

i
6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
±Ĉ+71



&Ӝ1*+Ñ$;­+Ӝ,&+Ӫ1*+
Ƭ$9,ӊ71$0
ĈӝFOұS
±7ӵGR
±+ҥQKSK~F

%Ҧ1;È&1+Ұ1&+ӌ1+6Ӱ$/8Ұ1

+ӑYjWrQWiFJLҧOXұQYăQ
Ĉӛ7Kӏ7K\'ѭѫQJ

ĈӅWjLOXұQYăQ
1JKLrQFӭXWKXұWWRiQѭӟF
odul
pin lithium
&KX\rQQJjQK.ӻWKXұW
ÿLӅXNKLӇQYjWӵÿӝQJ
MmVӕ
7iFJLҧ&iQEӝKѭӟQJGүQNKRDKӑ
QKұQWiFJLҧÿmVӱDFKӳDEәVXQJOX
16YӟLFiFQӝLGXQJVDX
- 6ӱD OӛL FKtQKWҧ FiF WUDQJ
KuQKYӁ
WURQJOXұQYăQ
- &KѭѫQJ  Eә VXQJ WrQ WKjQK ;k\
Lithium
- 6ӱDOҥLPmVӕ
- ĈiQKOҥLWKӭWӵFӫDFiFF{QJWKӭ
- 7KӕQJQKҩWNêKLӋXOj6R&
State of Charge)
- 9LӃWOҥLSKҫQNӃWOXұQFKXQJFӫD
ÿӅ[XҩW´
Thái Nguyên, ngày«
tháng «
QăP

&iQEӝKѭӟQJGүQ 7iFJLҧOXұQYăQ

PGS.TS 1JX\ӉQ9ăQ&KtĈӛ7Kӏ7K\'ѭѫQJ
&+Ӫ7ӎ&++Ӝ,ĈӖ1*

PGS.TS 9}4XDQJ/ҥS

ii
6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
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/Ӡ,&$0Ĉ2$1
Tên tôi là: Ĉӛ7Kӏ7K\'ѭѫQJ
Sinh ngày 31 tháng 10 QăP
1986

+ӑFYL
rQOӟSFDRKӑFNKRi
FKX\rQQJjQK.ӻWKXұWÿL
-

7UѭӡQJÿҥLKӑFNӻWKXұW&{QJQJKLӋS7Ki
+LӋQÿDQJF{QJWiFWҥL
: 7UѭӡQJ&DRÿҷQJQJKӅVӕ
±%ӝTXӕFSKzQJ

7{L [LQ FDP
³1JKLrQFӭX
ÿRDQ OXұQ YăQ
WKXұW WRiQ
ho
ѭӟ

modul Pin Lithium´GRWKҫ\JLiR
PGS.TS 1JX\ӉQ9ăQ&Kt
KѭӟQJGүQOj
nghiên

FӭX
FӫDW{LYӟLW
ҩWFҧFiFWjLOLӋXWKDPNKҧRÿӅX
Thái Nguyên, ngày««
tháng «
QăP
2019
+ӑFYLrQ

Ĉӛ7Kӏ
Thùy DѭѫQJ

iii
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/Ӡ,&Ҧ0Ѫ1

6DX WKӡL JLDQ QJKLrQ FӭX OjP YLӋF

WuQKJL~SÿӥFӫDWKҫ\JLiR
PGS.TS 1JX\͍Q9ăQ&Kt
, OXұQYăQYӟLÿӅ

Nghiên

FӭXWKXұWWRiQѭӟ
FOѭӧQJ6R&FKRPRGXO3LQ/LWK
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7Kҫ\JLiRKѭӟQJGүQ
PGS.TS. 1JX\͍Q9ăQ&Kt
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ӥ

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Thái Nguyên, YjPӝWVӕÿӗQJQJKLӋSÿmTXDQWk
rQJL~SÿӥWiF

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WKӵFWӃFӫDEҧQWKkQFzQtWFKRQrQÿӅ

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/Ӡ,&Ҧ0Ѫ1
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0Ө&/Ө&
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'$1+0Ө&+Î1+Ҧ1+
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................3
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±Ion .........................................................................3

ѬXÿLӇPFӫD3LQ/LWKLXPYjFiFӭ
.....................................................6

9DLWUzFӫDWKDPVӕ6R&YjPӝWV
....................7
1.4. .ӃWOXұQFKѭѫQJ
.........................................................................................10
&+ѬѪ1*;Æ<'Ӵ1*0

Ô HÌNH TOÁN CHO MODUL PIN LITHIUM11
0{KuQKWRiQFӫD3LQ/LWKLXP
........................................................................11

5ӡLUҥFKyDP{KuQKFӫDSLQ/LWKL
......................................................16
0{KuQK(6&FӫDSLQ/LWKLXP,RQ
.................................................................17

;iFÿӏQKFiFWKDPVӕFӫDP{KuQK
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.ӃWTXҧ[iFÿӏQKFiFWKDPVӕFӫD
................31
.ӃWOXұQF
KѭѫQJ
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&+ѬѪ1*  48$1
2&6È7
&Ӫ$6
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6Ӱ 'Ө1* %Ӝ /Ӑ&
.$/0$10Ӣ5Ӝ1*
............................................................................................40

3.1. Quan sát So&VӱGөQJEӝTXDQViW.DOPDQPӣ
.....................................40

.ӃWTXҧTXDQViW6R&FKRSLQ/LW

-25R 20/35A
2500mAh 18650 ....................................................................................................44
3.ӃWOXұQFKѭѫQJ
..........................................................................................53
.ӂ7/8Ұ19¬Ĉӄ;8Ҩ7
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7¬,/,ӊ87+$0.+Ҧ2
......................................................................................55

v
6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
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'$1+0Ө&+Î1+Ҧ1+

Hình 1-0ӝWORҥL3LQ/LWKLXPFӫD
...................................4

Hình 1-4XiWUuQKVҥFYj[ҧFӫD3LQ/LW
- Ion: ................................................6

Hình 1- 0LQK KӑD 6R&Yj ÿӗ WKӏ PLQK KӑD
PҥFKWURQJTXiWUuQKQҥSYj[ҧ
...................................................................................8
Hình 1-&ҩXWU~FPӝWKӋWKӕQJ%06
.....................................................................9

Hình 2-0{KuQKÿLӋQiSKӣPҥFKFӫD3LQ

±Lithium Ion ...................................11

0
Hình 2-4XDQKӋJLӳD2&9Yj6R&WҥLQKL
&FKRORҥL3LQ
.12

Hình 2-0{KuQKSLQ/LWKLXPNKLNӇÿӃQ
.................................................13

Hình 2-+LӋQWѭӧQJÿLӋQiSNKXӃFKWiQF
..................................................14

Hình 2-0{KuQK3LQFyNӇÿӃQKLӋQWѭӧ
........................14
Hình 2-+LӋQWѭӧQJÿLӋQiSWUӉ
............................................................................15
Hình 2-0{KuQK(6&FӫDSLQ/LWKLXP
- Ion ......................................................17

Hình 2-6ӵWKD\ÿәLFӫDÿLӋQiSKDLFӵ
.......................20

Hình 2-6ӵWKD\ÿәLFӫDÿLӋQiSKDLFӵ
.......................22

Hình 2-+LӋXVXҩW&RXORPEFKRORҥL
...........24

Hình 2-4XDQKӋJLӳD2&9Yj6R&WѭѫQJ

YjEѭӟFFKRPӝWORҥLSLQӭQJYӟLPӝ
.....................................25

0
Hình 2-4XDQKӋJLӳD2&9Yj6R
&WѭѫQJӭQJNKLQKLӋWÿ
C (bên trái)

YjNKLQKLӋWÿӝWKD\ÿәLErQSKҧL

............................................................................26
Hình 2-ĈLӋQiS2&9ӣNӏFKEҧQ
..................................................................28
Hình 2-ĈLӋQiS2&9ӣNӏFKEҧQ
.................................................................28
Hình 2-ĈLӋQiS2&9ӣNӏFKEҧQ
..................................................................29
Hình 2-16: Pin Lithium Ion SAMSUNG INR18650-25R 20/35A 2500mAh 18650
...................................................................................................................................32

Hình 2-4XDQKӋJLӳD6R&Yj2&9FӫD3L
-250C ....34

Hình 2-4XDQKӋJLӳD6R&Yj2
&9FӫD3LQ6$0681*WҥLQ
-150C ...34

Hình 2-4XDQKӋJLӳD6R&Yj2&9FӫD3
-50C .....35

0
Hình 2-20: QuaQKӋJLӳD6R&Yj2&9FӫD3LQ6$0
C .......35

vi
6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
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0
Hình 2-4XDQKӋJLӳD6R&Yj2&9FӫD3L
C .....35

0
Hình 2-4XDQKӋJLӳD6R&Yj2&9FӫD3L
C .....36

0
Hình 2-4XDQKӋJLӳD6R&Yj2&9FӫD3L
C .....36

Hình 2-4XDQKӋJLӳDFiFWKDPVӕP{Ku
....................37

Hình 2-6RViQKÿLӋQiSÿҫXUDFӫDP{

0C
2&9YjWHVW[iFÿӏQKFiF

WKDPVӕYӟLÿLӋQiSWKӵFQJK
.......................38

0
Hình 2-6DLOӋFKÿLӋQiS2&9JLӳDP{Ku
C ......39

Hình 3-1: 'ӳOLӋXÿӝQJKӑFFKRNӏFKEҧQ
...........................................................48

Hình 3-'ӳOLӋXÿӝQJKӑFFKRNӏFKEҧQ
............................................................48

Hình 3-'ӳOLӋXÿӝQJKӑFFKRNӏFKEҧQ
...........................................................49

Hình 3-.ӃWTXҧTXDQViW6R&YjVDLOӋ
............50

Hình 3-.ӃWTXҧTXDQViW6R&YjVDLOӋF
R&FKRNӏFKEҧQ
.............51

Hình 3-.ӃWTXҧTXDQViW6R&YjVDLOӋ
............52

vii
6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
±Ĉ+71

'$1+0Ө&&È&&+Ӳ9,ӂ77Ҳ7
TӯviӃ
t tҳt

Tên tiӃ
ng Anh

Tên tiӃ
ng ViӋ
t

LTHI

Lithium Ion Battery

Pin Ion Battery

SoC

State of Charge

7UҥQJWKiLQҥS

OCV

Open Circuit Voltage

ĈLӋQiSKӣPҥFK

ESC

Enhanced Self Correct Circuit

0{KuQKPҥFKÿLӋQ

Model

ÿѭѫQJFӫDSLQFy
ҧQKKѭӣQJFӫDÿLӋ

QKLӋW
ÿӝÿLӋQWUӣWU
FӵFÿLӋQiSYY
BMS

Battery Management Systems

+ӋWKӕQJTXҧQOê

viii
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/Ӡ,1Ï,ĈҪ8
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1Jj\QD\3LQ/LWKLXP,RQÿmÿѭӧFӭQJ

ÿLӋQTXDQWUӑQJQKѭFiFW
KLӃWEӏYLӉQWK{QJÿLӋQWӱ

PӣUD[XKѭӟQJVӱGөQJFKRQJjQKF{QJ
có

PұWÿӝQăQJOѭӧQJOӟQKѫQFKLSKtWKҩ

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WUXQJYjRYjRORҥL3LQQj\ѬӟFOѭӧQJW

WKiLWtFKÿLӋQ6R&
ÿyQJYDLWUzFӵFT

%06 Qy FKR SKpS FXQJ
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FҩS
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OѭӧQJ
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ѬӟFOѭӧQJ6R&FKtQK[iFFyWKӇQJăQFK

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1KLӉXOjPӝW\ӃX
WӕNK{QJPRQJPXӕQҧQKKѭӟQJ

FӫD 3LQVӵ WKD\ ÿәL FӫD QKLӉX ҧQK Kѭӣ

SKѭѫQJSKiS[iFÿӏQK6R&QKѭSKѭѫQJSK

KӣPҥFK+DLSKѭѫQJSKiSQj\WKӵFKLӋQ
JX\rQWҳFYzQJKӣF

WKӇ Wӵ KLӋX FKӍQK NKL VDL OӋFK [iF ÿӏQ

QKӳQJQăPJҫQÿk\FiFWiFJLҧWұSWUXQJ

YuEӝOӑF.DOPDQFyNKҧQăQJѭӟFOѭӧQJ
FyQKLӉX

EjLWRiQѭӟFOѭӧQJWUҥQJWKiL6R&FKR
OӑF.DOPD
n PDQJWtQKFҩSWKLӃW
0өFWLrXQJKLrQFӭX
-

0өFWLrXFKXQJ

ѬӟFOѭӧQJWUҥQJWKiL 6R&FӫD3LQ/L

UӝQJ
GӵDWUrQP{KuQ
KPҥFKÿLӋQWѭѫQJÿѭѫQJFӫD3L

KLӋQWѭӧQJÿӝQJKӑFFӫD3LQYjQKLӋWÿӝ

1
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-

0өFWLrXFөWKӇ

 ;k\GӵQJP{KuQKFKRSLQ/LWKLXP,
Fy[pWÿӃQFiFKL
KӑFFӫD3LQYjQKLӋWÿӝOjPYLӋF


;k\GӵQJTXDQKӋJLӳD6R&
YjÿLӋQiSKӣPҥFKWKH

 ӬQJGөQJEӝOӑF.DOPDQÿӇѭӟFOѭӧQ
pin Lithium Ion
-

&iFNӃWTXҧWURQJOXұQYăQ

 ;k\GӵQJP{KuQK(6&FKR
pin Lithium Ion

 Quan sát SoC cho SLQ/LWKLXP,RQVӱGөQJP{K
ViW.DOPDQPӣUӝQJFKRKӋ
SKLWX\ӃQ
1ӝLGXQJFӫDOXұQYăQ
LXұQYăQJӗP
3 FKѭѫQJYӟLEӕFөFQKѭVDX

&KѭѫQJ
*LӟLWKLӋXYӅ3LQ/LWKLXPYj

&KѭѫQJ
;k\GӵQJP{KuQKFKR3LQ/LW

&KѭѫQJ
4XDQViW6R&FӫD3LQ/LWKLXP
PӣUӝQJ
3KҫQFXӕLOjNӃWOXұQFKXQJFӫD
OXұQYăQ

2
6ӕKyDEӣL7UXQJWkP+ӑFOLӋXYj&{QJQJK
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C+ѬѪ1*
1: *,Ӟ,7+,ӊ89ӄ

3,1/,7+,809¬7+$06Ӕ
1.1. *LӟLWKLӋXYӅSLQOLWKLXP
±Ion
1.1.1. .KiLQLӋPYӅSLQ/LWKLXP
±Ion

Pin Li-ion hay pin lithi-LRQFyNKLYLӃWWҳWOj/,

quá trình sҥF FiF LRQ /L FKX\ӇQ ÿӝQJ Wӯ FӵF

WURQJ TXi WUuQK [ҧ TXi WUuQK Vӱ GөQJ


FKҩWPjFҩXWU~FWLQKWKӇFӫDFK~QJFy

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FiFOӟSQj\QKӡÿySKҧQӭQJKyDKӑF[ҧ

WKӇGҥQJOӟSWKѭӡQJJһSGQJFKRFӵFGѭ

WLӃS
và /LQKѭ/L&R2/L0Q2YY«
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GӏFKÿLӋQO\FӫDSLQFKRSKpSFiFLRQ

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PҥFK
GөQJ

QJRjL
SLQ HOH
SKy

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cathode FӵFGѭѫQJ
,RQOLWL

FNJQJWӯFӵFkPVDQJFӵFGѭѫQJ.KLVҥF

DQRGHO~FQj\WUӣWKjQKFӵFGѭѫQJ
ÿ
ion liti di

FKX\ӇQWӯFDWKRGHO~FQj\WUӣWKjQKFӵ

7KjQKSKҫQKyDKӑFKLӋXQăQJJLiW

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ODSWRS
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KҫX

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R[LW/L0Q2/L0Q2KD\JӑLFKXQJO
lithium niken mangan coban

R[LW/L1L0Q&R2KD\10&
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FK~QJFyPұWÿӝQăQJOѭӧQJWKҩSKѫQ/&

WRjQ KѫQ 1KӳQJ SLQ GQJ FiF YұW
WOLӋX
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FKҥ\ ÿLӋQ /LWL QLNHQ FREDQ QK{P R[LW

3
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/L7L2 KD\ /72
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WURQJ

KXǤQK KD\
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SLQ OLWL
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Do pin liti-LRQFKӭDGXQJGӏFKÿLӋQO\GӉF

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có WKӇJk\ ÿRҧQ PҥFKGүQÿӃQFKi\ Qә'R

GjQKFKR/,%QJKLrP QJһWKѫQFKRFiFO

0ӝW Yt Gө YӅ OӛL SLQ Jk\ UD QKӳQJ WKL
6DPVXQJ*DOD[\1RWHQă
m 2016.

&iF OƭQK YӵF QJKLrQ
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JӗP
SLQ
VӵOLWK

JLD

PұWÿӝQăQJOѭӧQJDQWRjQYjJLҧPFKL

Hình 1-1: 0͡WOR̩L3LQ/LWKLXP
32650 FͯDKmQJ3DQDVRQLF
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