dc motor remote control

8/12/2019 DC Motor Remote Control

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King Saud UniversityKing Saud University

Co ege o EngineeringCo ege o EngineeringElectrical Engineering DepartmentElectrical Engineering DepartmentEEEE 435435

Speed Control of DC MotorsSpeed Control of DC Motorsrepare yrepare y

Supervised bySupervised by

Dr: Ali M. EltamalyDr: Ali M. Eltamaly


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( Buck Converter )( Buck Converter )

Buck converterBuck converter


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_+

PWM

220220//2424

uc onverter rcu t tep own DC-DC onverter


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SwitchSwitchPWMPWM

TTononuty rat outy rat o

vL

S

on

d

O

TVD =

=

Vd

A

-Vo

-Vo

B

on off

Ts


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PWMPWMPulsePulse


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MicrocontrollerMicrocontroller

PICPIC1616FF877877AA

outputoutputinputinput


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+5 v

Port BPort A

outputinputoutputinput

Port Einputoutput ( )

Port D outputinput ((+5 v

Crystal 4MHz

Port CPort C outputinputoutputinput

Port DPort D outputinputoutputinput


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r r rr r r Port APort A

Port BPort B

Port DPort D

Port EPort E

Port BPort B portB.portB.00 , portB., portB.11 , portB., portB.22 , portB., portB.33 , portB., portB.44 , portB., portB.55 , portB., portB.66 , portB., portB.77

..))((IRIRportB.portB.33LEDLED


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14141313((Crystal(Crystal 44MHz)MHz


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ProteusProteus 77 ProfessionalProfessional Proton IDEProton IDE


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ProteusProteus 77 ProfessionalProfessionalISISISIS 77


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....


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-1

-2


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-1

-2


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-

--2 3W-3

:


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-

(-2)

-3


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-2 -3

-1


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1-

-2


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((LED)(LED

or .or .

))((


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- LED-2


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ACTIVE


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PortC.0

PortC.0


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ProtonProton CC


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16F877A

Crystal 4MHz


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(output Port(Port Name)output Port(Port Nameoutput PortCoutput PortCcc

))cc((cc ....(input Port(Port Name)input Port(Port Name

input portc.input portc.11portc.portc.11++55 VV::

55 VVsensorsensor


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portc.0


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++

Output portB.Output portB.44ortB.ortB.44 ==11

++55 vv

PortB.PortB.11 ==00


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DelayMSDelayMS

holdhold ))((((ms)(ms msms


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portc.portc.00 ..


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ev ce =ev ce =

XTALXTAL 44

Output PortC.Output PortC.00

Portc.Portc.00 ==11

DelayMSDelayMS 1000010000

Portc.Portc.00==00


ProtC.ProtC.00

++55 vv looploop


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Device =Device = 1616FF877877AAXTALXTAL 44

ev ce =ev ce =XTALXTAL 44

Out ut PortC.Out ut PortC.00Output PortC.Output PortC.00

Main:Main:Main:Main:

Portc.Portc.00 ==11or c.or c. ==


Portc.Portc.00==00



Goto mainGoto main

Portc.Portc.00==00


Goto mainGoto main

looploop


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C

DD:\Micro


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F9


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4MHz


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HEXopen


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OK


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LCDLCD


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LCDLCD

1616xx22 with back lightwith back lightLCDLCD

4466


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LCD DATASHEETLCD DATASHEET


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PortDPortD


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H - Bridge Diode

PortD


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((((11++55 VV((((22 ))2121((PortD.PortD.22((((44((((55 ))2222((PortD.PortD.33((((66 ((((77((((88((((99 ))2727((PortD.PortD.44((((1111))2828((PortD.PortD.55((((1212))2929((PortD.PortD.66((((1313 ))3030((PortD.PortD.77((((1414++55 VV((((1515((((1616


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Declare LCD_TYPE 0

ec are _ .

Declare LCD_ENPIN PORTD.3

PortD _

Declare LCD_RSPIN PORTD.2


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LCD


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DCLCD


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16161515

(( ))


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r nt nter your sentence

Print At 1,1," Enter your sentence "


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F9C


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((HEX

4MHz


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-2 Welcome

-1


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F9


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Print At 1,9, "Welcome

" " , ,

r nt t , , e come

Print At 2,10, "Welcome"

Print At 1,1, "Welcome 123"

Print At 1,1, "Welcome 112233"


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IR Sensor & Remote ControlIR Sensor & Remote Control

ensorensor ProtB.ProtB.77


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PWM

IR Sensor


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IR SensorIR Sensor

signalsignal


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IR SensorIR Sensor

StartingStarting((240240 us)us)


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IR SensorIR Sensor

IR SensorIR Sensor ++ vv00 vv 00 vv

++55 vv


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IR SensorIR Sensor

IR sensorIR sensor


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IR SensorIR Sensor

Symbol

_ = ._ = .

ir_sensorPortB.7


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IR SensorIR Sensor

Dim variable name As variable typeDim variable name As variable type

Variable type may be one of these :Variable type may be one of these :

ByteByte wordword bitbitdworddword floatfloat


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Variable typeVariable type

BIT: Variable type that may hold a value ofBIT: Variable type that may hold a value of 00 oror 11..

BYTE: Variable type that may hold a value ofBYTE: Variable type that may hold a value of 00 toto 255255..

WORD: Variable type that may hold a value ofWORD: Variable type that may hold a value of 00 toto 6553565535..

DWORD: Varia e type t at may o a va ue oDWORD: Varia e type t at may o a va ue o --21474836482147483648 toto++21474836472147483647..

FLOAT: Variable type that may theoretically hold a value ofFLOAT: Variable type that may theoretically hold a value of --11ee3737 toto++11ee3838. However, with floating point calculations, smaller values. However, with floating point calculations, smaller values

. .


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BITBIT::0011

BYTEBYTE::00255255WORDWORD::006553565535

DWORDDWORD::--21474836482147483648++21474836472147483647FLOATFLOAT::--11ee3737++11ee3838


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IF StatementIF Statement

CodeCode

End IFEnd IF

IF ProtB.IF ProtB.77 ==11 thenthen

PortC.PortC.00 == 11

PortC.PortC.11 == 00

IF PortB.IF PortB.77 ==11 then PortC.then PortC.00 ==11


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Nested ifNested if

if x=if x=1010 thenthen

High ledHigh led11

==

high ledhigh led22

high ledhigh led33

ENDIFENDIF


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For loopFor loopFor variable name =startcount To endcount STEP stepvalFor variable name =startcount To endcount STEP stepval

code bodycode bodyNextNext

Overview :Overview :

For loop is used to execute a code for predefined amount of timesFor loop is used to execute a code for predefined amount of times

For I =For I =00 toto 1010 stepstep 11portb =Iportb =I

For i=For i=100100 toto 00 stepstep --22

portb=Iportb=INextNext


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IR SensorIR Sensor

IR SensorIR Sensor


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PortB.7

ir_sensorPortB.7ir_word

Starting 240 us


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:main


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main sony_in

gotogoSub

mainsony_in

g sony_in


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flg200 ms


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sony_infl 1=


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PortB.7ir_sensor 0 V+5v

IF ir_sensor=1 Then GoTO no_sig

+5 VPortB.7 no_sig

PortB.7


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PulsIN[0 1]

PortB.7 Starting

st


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((240 us no_sig((270 us no_sig((200 us


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[[[[11[[[[11StartingStarting[[[[00 1212

::


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12110

u s nid

1((90 us ir_word

ir_word


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sony_inreturn main


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mainflg=0


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ir_wordir_wordprintprint 4128412822208020803316761676441056105655 51525152663104310477 544544994640464000


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ir_word

Hexec


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32 = _


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8585100100

11 22 00 120120


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ikey


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ikey=0

[k[0ikey

ikey[k[1 ikey

[k[0 ikey

[k[2[k[1

K[0]=1

K 1 =2

K[2]=4


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5344


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main

124 rpm


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IR SensorIR Sensor PWMPWM

100100%%100100))100100((

PWMPWM


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PWMPWM TTononPWMPWM dut ratiodut ratio

onO

T

t

V

VD ==

TonTon100100 msmst_on = r mt_on = r m 100100 **100100

TToffofft_off =t_off =100100 -- (t_on)(t_on)

onon ==offoff== TToffoff==5050TTonon==50505050


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PortC.PortC.11PWMPWM

Speed_flagSpeed_flag


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PWM

PortC.1


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speed_flag t_on

t_offrat_speed100

100

=


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= _Speed_flag=0 main


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_t_on((+5 v

_PWMms


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comp

rat_spee speed_flag=0

100

main


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100 ) Speed is)

t_offt_onspeed_flag=1

( _


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speed_flag=speed_flag=00


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)(


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44NN3232

PWM

+18 V


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11PortC.PortC.11

SwitchSwitch ++1818 vv

44NN3232 Datas eetDatas eet44NN


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Datas eetDatas eet44NN 00 vv++55 vv

t_offt_offt_ont_on

PortC 1


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PortC.1

t_ont_off

speed_flag =0 or . =


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_+

SD


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G

PWM

220220//2424

uc onverter rcu t tep own DC-DC onverter


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1212 mHmH Electrical SwitchElectrical Switchmosfetmosfet 2424 vv

duty ratioduty ratio

SwitchSwitch


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2424 vvdut ratiodut ratio

G D


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D S

G

220220//2424


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D S

G

Buck Converter Circuit

220220//2424


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Isolatin Circuit

Microcontroller Circuit

ProgrammerProgrammer


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ProgrammerProgrammer MicroProMicroPro

ProgrammerProgrammer


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USBRS

RS to USBRS to USB


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MicroProMicroPro


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RS to Usb


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Load


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((XT

uses

Program


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Device=16F877AXTAL=4

Declare LCD_DTPIN PORTD.4

Declare LCD_ENPIN PORTD.3_

Declare LCD_RSPIN PORTD.2


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Input PORTB.7Output PORTC.1

Symbol ir_sensor =PORTB.7

Dim ir_wordAs WordDim stAs Word

Dim k[4]As Bytem g s yte

Dim ikeyAs Byte

Dim speed_flagAs ByteDim t_onAs FloatDim t_offAs Float

m rat_spee s or

rat_speed = 100speed_flag =0

k[0]=0k[1]=0

=k[3]=0


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Cursor 1 1

PORTC.1=1

main:

If speed_flag =1 Then

PORTC.1=0DelayMS t_onPORTC.1=1DelayMS t_off

. =

ElsePORTC.1=1

End If

If ir_sensor=0 Then speed_flag =0

GoSub sony_in

If flg=0 Then GoTo mainDela MS 200


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Ifir word = 32 Then_

speed_flag =0k[ikey]="1"Print "1"Inc ikeEndIf

If ir_word = 4128 Thens eed fla =0_k[ikey]="2"Print "2"Inc ikeyEndIf

If ir_word = 2080 Thenspeed_flag =0kike ="3"Print "3"Inc ikeyEndIf

If ir_word = 6176 Thenspeed_flag =0k[ikey]="4"

Print "4"Inc ikeyEndIf

If ir_word = 1056 Then


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speed_flag =0k[ikey]="5"Print "5"Inc ikeyEndIf

If ir_word = 5152 Thenspeed_flag =0

k[ikey]="6"Print "6"Inc ikeyEndIf

If ir_word = 3104 Then

speed_flag =0k[ikey]="7"Print "7"Inc i eyEndIf

If ir_word = 7200 Thenspeed_flag =0k[ikey]="8"Print "8"Inc ikey

EndIf

If ir_word = 544 Thenspeed_flag =0k[ikey]="9"P i t "9"


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Print "9"Inc ikey

EndIf

If ir_word = 4640 Thenspeed_flag =0k[ikey]="0"

Print "0"Inc ikeyEndIf

I ir_wor =5344 T en GoTo comp

GoTo main

comp:

rpm=Val (k,Dec)

If rpm > rat_speed Thenspeed_flag=0

Print At 1,1,"max speed 100 "

DelayMS 1000

Print At 1,1," "

ikey=0


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ikey 0 ,

k[0]=""k[1]=""k[2]=""k[3]=""

GoTo main

EndIf

Print At 2,1,"Speed is : ",Dec rpm ," "

t_on = (rpm/100)*100t_off=100-(t_on)

_

Print At 1,1," "

ikey=0Cursor 1,1k[0]=""


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=k[2]=""=""

ir_word=0

sony_in:fl =1If ir_sensor=1 Then GoTo no_sigst= PulsIn ir_sensor,0

If st < 200 Then GoTo no_sigs en o o no_s g

For i=0 To 11id= PulsIn ir_sensor ,0

If ID> 90 Then


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If ID>=90 Then

ir_word.0=1

Else_ . =

EndIf

ir_word=ir_word


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PIC16F877A

Crystal 4MHz

LCD 2x16 with back light


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, ,

Inductor 12 mH

Heat SinksSwitch

4N32 O tocou ler

Capacitor 470 uF 45 V (need 6 pieces)


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H Bridge (need 3 pieces)

Re ulators: 7805 7818

mos e w c

Diode


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Programmer For PIC16F877A (USB)

RS232 TO USB Converter

Ada ter 12v For ro rammer

programmerprogrammer


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2323 ::2391896123918961

. . .. . .

(( ))


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..

::

dc motor remote control

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