Cov txheej txheem:
- Kauj Ruam 1: PWM INTERPRETER CIRCUIT
- Kauj Ruam 2: TSEV KAWM NTAWV CIRCUIT
- Kauj Ruam 3: MICROCONTROLLER
- Kauj Ruam 4: SYSTEM INTEGRATION
- Kauj ruam 5: DEVELOPMENT
Video: MOSET DRIVE MOTOR DRIVER: 5 Kauj Ruam
2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:27
Tsav tsheb
- Cov tsav tsheb yog ib feem tseem ceeb ntawm lub ntiaj teb neeg hlau vim tias feem ntau ntawm cov neeg hlau xav tau cov tshuab ua haujlwm thiab ua kom cov motors muaj txiaj ntsig cov tsav tsheb tau los ua si.
- Lawv yog lub zog me me tam sim no; kev ua haujlwm ntawm cov tsav tsheb yog coj lub teeb liab tswj tam sim no thiab tom qab ntawd tig nws mus rau lub teeb liab tam sim no uas tuaj yeem tsav lub cav.
- Tsawg-tam sim no tswj teeb liab los ntawm lub microcontroller (Arduino Uno hauv kuv qhov teeb meem) uas tuaj yeem muab cov zis hauv thaj tsam 0-5V ntawm 40mA siab tshaj plaws uas tom qab ntawd ua tiav los ntawm tus tsav tsheb kom muab cov zis tam sim no piv txwv li 12-24V ntawm 2- 4A.
- Cov Tsav Tsheb Tsav Tsheb feem ntau muaj ob ntu
- Pulse Width Modulation (PWM) tus neeg txhais lus Circuit Court los tswj qhov nrawm ntawm lub cav raws li qhov sib txawv ntawm PWM los ntawm tus tsav tsheb.
- Ib txoj kev tswj hwm kev tswj hwm los tswj cov kev taw qhia ntawm lub cav.
Kauj Ruam 1: PWM INTERPRETER CIRCUIT
NTAWV YUAV TSUM MUAJ
- IRF 250N MOSFET
- 10K OHM RESISTOR
- 2A DIODE*2
- 12V roj teeb
IRF 250N yog qib kev xav MOSFET uas hloov 0-5 V cov tswv yim ntawm lub qhov rooj mus rau qhov sib thooj 0-Vmax (ntawm lub roj teeb txuas nrog).
10K OHM resistor yog rub tawm tus tiv thaiv uas tuav lub logic teeb liab ze rau xoom volts thaum tsis muaj lwm yam khoom siv txuas nrog.
Cov diode tau siv los ua flyback diode. Flyback diode (qee zaum hu ua freewheeling diode) yog lub diode siv los tshem tawm flyback, uas yog qhov ntsuas hluav taws xob tam sim ntawd pom thoob plaws qhov ntsuas hluav taws xob thaum nws cov khoom tam sim no tam sim ntawd txo lossis cuam tshuam.
NCO TSEG- Txij li lub roj teeb sab nraud tau siv nws yuav tsum muaj kev sib txuas nrog lub microcontroller. Qhov no ua tiav los ntawm kev txuas lub davhlau ya nyob twg tsis zoo ntawm lub roj teeb mus rau GND ntawm lub microcontroller.
Kauj Ruam 2: TSEV KAWM NTAWV CIRCUIT
NTAWV YUAV TSUM MUAJ
- 8 PIN XOV XWM (58-12-2CE OEN)
- IRF 250N MOSFET
- 10K OHM RESISTOR*3
- 3 hli LED *2
MOSFET siv hauv Circuit no zoo ib yam li yav dhau los Circuit Court piv txwv li IRF250N tab sis tsis txhob muab PWM ntawm Lub Rooj vag peb tsuas yog muab Analog High thiab Low vim tias peb tsuas yog yuav tsum tau hloov Relay ON thiab OFF.
Cov Relay ua haujlwm ntawm 12V tab sis Analog Siab tau txais los ntawm Arduino yog qhov siab tshaj 5V yog li peb tau siv MOSFET ua qhov hloov pauv ntawm no.
Cov Relay siv (58-12-2CE OEN) yog 8 tus pin.
- Thawj 2 tus pin yog cov siv hluav taws xob piv txwv li thaum lawv tau siv zog lawv hloov kev sib txuas ntawm Cov Kev Sib Txuas los ntawm Kev Txuas Ib Leeg (NC) mus rau Qhib Li Qub (TSIS YOG).
- Common tau txais cov tswv yim rau xa nws mus rau cov zis (lub cev muaj zog).
- NC tau txais lub zog los ntawm Common thaum lub kauj tsis muaj zog thiab TSIS tau txiav tawm.
- Thaum cov kauj siv hluav taws xob TSIS tau txais lub zog los ntawm Common thiab NC tau txiav tawm.
Peb tab tom hla ntawm NO thiab NC uas yuav muab rau peb nrog kev hloov pauv ntawm polarity
Ob lub LEDs tau txuas nrog ua ke rau qhov tso tawm nrog rau 10K ohms tsis kam ob qho tib si hauv qhov tsis sib xws. Lawv yuav ua raws li kev ceeb toom qhia raws li ib qho yuav ci thaum cov dej ntws tam sim no hauv ib qho kev taw qhia thiab Vice -Versa.
Kauj Ruam 3: MICROCONTROLLER
Lub microcontroller muaj 2 lub cim qhia kom xa
- PWM rau qhov sib txawv ntawm qhov ceev ntawm lub cav.
- Analog Siab thiab Tsawg rau kev hloov pauv ntawm lub cav.
COV NTAUB NTAWV YUAV TSUM TAU NYEEM NTAWV
Cov zis los ntawm PWM PIN 3 txuas nrog lub Rooj vag ntawm PWM tus txhais lus Circuit Court.
Cov zis los ntawm tus lej PIN 11 txuas nrog lub Rooj vag ntawm Kev Sib Txuas Circuit.
CEEB TOOM - Yog tias ob qho kev siv hluav taws xob siv tib lub zog siv los tsuas yog ib qho ntawm lawv xav tau los ua qhov sib koom ua ke; yog tias siv 2 lub zog siv ces ob lub vojvoog yuav tsum muaj kev sib koom ua ke
INPUT = NPV
0 thiab 1 rau kev taw qhia
0-255 rau nrawm; 0 kom nres thiab 255 rau qhov nrawm tshaj plaws.
FORMAT = np
qhov chaw
Ej. = 1 255
0 50
Nws yog ib qho tseem ceeb nws tau ceeb toom tias PWM INTERPRETER CIRCUIT YUAV TSUM NYOB ZOO TSHAJ PLAWS Yog tias tus neeg siv tsuas yog xav hloov pauv qhov nrawm ntawm lub cav lossis hloov nws yam tsis tas yuav hloov pauv nws li
Kauj Ruam 4: SYSTEM INTEGRATION
Tom qab ua tag nrho cov khoom siv ntawm tus tsav tsheb nws yog lub sijhawm los sib sau ua ke tag nrho peb qho xws li tus neeg txhais lus PWM, xa xov hluav taws xob nrog lub microcontroller.
- Qhov tso tawm ntawm PWM tus neeg txhais lus txuas nrog rau qhov sib txuas ntawm qhov sib txuas.
- Ob lub voj voog txuas nrog lub roj teeb uas siv PowerBoard. PowerBoard yog kev nyab xeeb kev nyab xeeb suav nrog Capacitor (siv los lim cov tswv yim), Diode (txhawm rau txheeb xyuas qhov sib txawv ntawm lub roj teeb) thiab Fuse (txwv qhov tam sim no) los tiv thaiv Circuit Court hauv qhov xwm txheej hnyav.
PowerBoard tsis xav tau thaum lub cav tsis muaj lub nra tab sis thaum siv lub tshuab tsav tsheb hauv lub neeg hlau nws tau pom zoo kom siv nws.
- Txuas lub rooj vag ntawm PWM tus txhais lus Circuit mus rau pwm tus pin 3
- Txuas Lub Rooj Sib Tham ntawm Relay Circuit rau tus pin 11.
Kauj ruam 5: DEVELOPMENT
- Thaum xub thawj, kuv tau siv lub transistor los hloov qhov txuas tab sis nws tsis muaj peev xwm tswj tau cov dej ntws los ntawm nws yog li kuv yuav tsum hloov mus rau MOSFET.
- Kuv tau siv lub tshuab hluav taws xob nruab nrab ntawm qhov chaw thiab lub qhov rooj ntawm MOSFET kom ntseeg tau tias tsis muaj qhov ntws tam sim no ntawm lawv tab sis tom qab ntawd kuv paub tias nws tsis xav tau.
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