Iwe unogona kudzora kumhanya kwebrashiless dc mota uchishandisa bldc mota controller uye PID algorithm pamwechete. Iyi setup inokubatsira kuti uchinje controller inobuda ipapo. Iyo inochengeta yako brushless dc mota pakumhanya kwaunoda, kunyangwe zvinhu zvakaitenderedza zvachinja. Iwe unoda zvose hardware uye software kuti izvi zvishande.
Tafura iri pazasi inoratidza kuti kushandisa PID yekumhanyisa kudzora mu bldc mota controllers kunoita kuti vashande zvirinani:
Performance Aspect | tsananguro |
|---|---|
Speed Regulation | Inoita kuti kukurumidza kudzikame kana zvinhu zvichiikanganisa. |
Simuka Nguva | Inoita kuti mota isvike pakumhanya kwayo nekukurumidza. |
Kupfuura | Inomisa mota kuti isanyanya kukurumidza kupfuura kumhanya kweseti. |
Yakatsiga-State Error | Inopa chaiyo kumhanya kwenguva yakareba. |
Zvitsva Zvitsva
A PID algorithm inobatsira BLDC mota controller kuchengetedza kumhanya kwakadzikama, kunyangwe zvinhu zvikachinja. Hardware yakanaka, masensa, uye firmware zvese zvinoshanda pamwechete kudzora kumhanya zvakanaka. Kana iwe ukanyatsogadzirisa iyo PID marongero, mota inogona kusvika pakumhanya chaiko nekukurumidza. Hazvizoendi kure kana kuzununguka. Kuedza controller yako nemitoro yakasiyana uye kumhanya kunokubatsira kuti uwane matambudziko nekukurumidza. Izvi zvakare zvinoita kuti mota ishande zvirinani. Kutora mota chaiyo, controller, uye mhinduro nzira inochengetedza simba. Inoitawo kuti system yako ishande zvakanaka uye igare kwenguva refu.
BLDC Motor Controllers uye PID Basics
Motor Structure
Iyo brushless dc mota ine dhizaini yakapusa. Rotor ine magineti asingagumi. Iyo stator inobata ma windings. Iyi dhizaini haidi mabhurashi. Mabhurashi anopera mune mamwe mota. Iyo bldc mota controller inobatanidza kune stator. Inodzora kuti ikozvino inoyerera sei. Tafura iri pazasi inoratidza zvikamu zvakakosha zvemota:
Parameter / Equation | tsananguro |
|---|---|
Stator dhayamita (Ds) | Saizi huru ye stator |
Slot cross-section (S_enc) | Nzvimbo ye windings, zvichienderana nehukuru hwe stator uye slot count |
Slot fill factor (k_r) | Yakawanda sei iyo slot yakazadzwa nekondakita |
Nhamba yezvitsuwa (N_e) | Total slots mune stator |
Kumashure EMF (E) | Voltage yakagadzirwa nekufamba kwe rotor |
Mota inoshanda zvakanaka (η) | Ratio yekubuda kune simba rekuisa |
A bldc mota controller inoshandisa aya maficha kuita kuti mota ishande zvirinani. Inobatsirawo injini kugara kwenguva refu.
Electronic Commutation
BLDC mota haidi mabhurashi. Mutongi anoshandisa electronic commutation panzvimbo. Inoshandura ikozvino mu stator windings ne transistors. Mutongi anotarisa nzvimbo ye rotor nema sensor. Aya anogona kunge ari Hall-effect sensors kana rotary encoder. Vamwe vatongi havashandisi masensa. Vanoyera kumashure EMF kuti vawane nzvimbo ye rotor. Izvi zvinokutendera kuti udzore kumhanya uye kutungamira zvakanyanya.
Miedzo inoratidza kuti kutenderera kwemagetsi kunopa yakanakisa kukurumidza kudzora. Mamodheru anoshandisa nzira iyi anoenderana nekumhanya kwemota chaiko. Izvi ndezvechokwadi kunyangwe uchitanga, uchimira, kana munzvimbo dzine ruzha. Izvi zvinoratidza bldc mota dzinodzora dzinogona kuita mabasa akaomarara.
PID Speed Kudzora
Kuti uchengetedze mota ichimhanya, iwe unoshandisa pid algorithm. Mutongi anotarisa kumhanya uye anoienzanisa nechinangwa chako. Inoshandura zvakabuda kugadzirisa chero mutsauko. Iyi yakavharwa-loop control inochengeta mota iri kumhanya chaiko. Inoshanda kunyange kana mutoro uchichinja. Zvidzidzo zvinoratidza vatongi vepamberi vanoita nguva yekusimuka 28% ipfupi. Vanoita nguva yekugadzirisa 35% ipfupi. Overshoot iri 22% zvishoma. Yakatsiga-mamiriro kukanganisa inogona kunge yakaderera se0.3%. Izvi zvinoreva kuti yako bldc mota controller inopa kukurumidza uye yakatsiga kumhanya kudzora kune akawanda mashandisiro.
Zvikamu zveSpeed Control
Mhando dzeMotokari
Kune akasiyana brushless dc mota dzaunogona kutora. Chimwe nechimwe chine zvinhu zvakakosha. Aya maficha anoshandura mashandiro anoita bldc mota controller. Mazhinji bldc mota anoshandisa zvikamu zvitatu. Iwo mahwindi anogona kunge ari nyeredzi kana delta chimiro. Nyeredzi-waya mota, senge Oriental Motor's, inoshanda zvakanyanya. Vanodzorawo kumhanya zvakanaka. Aya mamotor anogona kupa kusvika ku5159 lb-in ye torque. Simba ravo rinobva pa 15 W kusvika ku 400 W. Kutora motokari yakarurama kunobatsira mutongi wako kuchengetedza kukurumidza. Inochengetedzawo simba.
Controller Hardware
Iyo bldc mota controller Hardware ndiyo chikamu chikuru chehurongwa hwako. Iwe unoshandisa pulse-width modulation, kana PWM, kuseta kumhanya. Iyo controller inoshandura kuti ma voltage pulses anogara kwenguva yakareba sei. Hall effect sensors mukati me stator inoratidza pane rotor. Izvi zvinobatsira mutongi kushandura zvikamu panguva chaiyo. Iwe haudi relay dzemagetsi neseta iyi. Izvi zvinoreva basa shoma kuti rirambe richimhanya. Iyo Hardware inokutendera kuti ubatanidze kune programmable controller. Iyi dhizaini inoita kuti sisitimu ishande uye yakavimbika. Semuenzaniso, iyo BMU Series 200 W mota uye controller inosvika 86% kunyatsoshanda. Ivo zvakare vanosangana neIE4 zviyero.
Speed Feedback Sensors
Unoda mhinduro yakanaka kuchengetedza mota iri kumhanya chaiko. Mazhinji masisitimu anoshandisa Hall sensors kana rotary encoder. Aya ma sensors anoteedzera nzvimbo ye rotor. Vanobatsira mutongi kuchinja nokukurumidza. Mamwe masisitimu anoshandisa sensorless control. Vanofungidzira nzvimbo ye rotor nekutarisa kumashure-EMF kana kushandisa vanocherechedza. Tsvagiridzo inoratidza nzira dzisina sensor dzinoshanda nemazvo, kunyangwe mutoro ukachinja nekukurumidza. Vacherechedzi vakaita seExtended State Observer vanobatsira kudzivirira matambudziko. Ivo zvakare vanoita fungidziro dzekumhanya zvakanyanya. Izvi zvinoita kuti yako yekumhanyisa controller ishande zvirinani mumamiriro mazhinji.
Sensorless yekuona inoshanda nekumhanya kwakanyanya uye kwakaderera.
Vatariri vepamusoro vanodzikisa kunonoka kwechikamu uye overshoot.
Mhinduro yakanaka inobatsira sisitimu kubata marudzi ese emitoro.
Firmware Inoda
Iwe unofanirwa kuronga iyo firmware mune yako controller. Inobata mabasa ose ekutonga. Iyo firmware inoverenga mhinduro kubva kune sensors kana sensorless estimators. Inomhanya iyo PID algorithm kuita kuti kasi irambe yakasimba. Digital signal processors, kana DSPs, batsira mutongi kutarisa zvinhu nekukurumidza. Vanoitawo masvomhu anokasika. Izvi zvinoita kuti controller yako iite nekukurumidza kune shanduko. Iyo firmware inodzorawo masaini ePWM. Inoshandura kutenderera kwebasa pazvinenge zvichidiwa. Firmware yakanaka inobatsira mutongi wako uye mota kushanda pamwe chete. Inochengeta sipidhi paunoda.
Zano: Gara uchiyedza firmware yako nemitoro yakasiyana uye kumhanya. Izvi zvinokubatsira kuti uwane matambudziko uye uite yako yekumhanyisa controller zviri nani.
Chikamu/Nzira | Tsanangudzo uye Basa muKumhanyisa Kudzora | Kutsigira Details uye Benefits |
|---|---|---|
Rotor Position Sensors (Hall sensors, encoder) | Aya ma sensors anoratidza pari rotor yechikamu chekufambisa. Dzinogona kudhura zvakanyanya, kutora nzvimbo, uye kunetsa kukwira. | Kuzvishandisa kunogona kuita kuti sisitimu isavimbike uye yakakura. Vanokwidzawo mutengo. |
Sensorless Control Techniques | Aya anoshandisa back-EMF nevacherechedzi kufungidzira rotor chinzvimbo uye kumhanya. Hapana masensa emuviri anodiwa. | Vanoderedza mari uye saizi. Vanoitawo kuti hurongwa huve hwakavimbika. Vanoshanda zvakanaka kana mutoro usingachinji zvakanyanya. |
Back-EMF Sensing | Izvi zvinotarisa kumashure-EMF yechikamu chisina simba. Zvinobatsira kuwana commutation order. Yakachipa asi haishande zvakanaka nekumhanya kwakaderera. | Unoda open-loop kutanga. Low kumhanya kwakaoma nekuti hapana kumashure-EMF. |
Yechitatu Harmonic Voltage Kubatanidzwa | Izvi zvinoshandisa yechitatu harmonic yekumashure-EMF kufungidzira rotor flux chinzvimbo. Haina kukanganiswa nekusefa kunonoka uye inoshanda nekumhanya kwakawanda. | Inopa kuita kwepamusoro uye inobatsira mota kutanga zvakanaka pakumhanya kwakaderera. |
Digital Signal processors (DSPs) | DSPs inomhanyisa advanced control algorithms ye sensorless control. Vanogona kutarisa uye kuverenga zvinhu nekukurumidza. | Ivo vanoita kuti sisitimu ishande zvirinani pane yakajairwa sensor-based drives. Vanogona kubvisa kudiwa kwema sensors nekushandisa masvomhu. |
Sliding-Mode Observer (SMO) | SMO inofungidzira rotor chinzvimbo uye kumhanya. Inogadzirisa matambudziko kubva kune zvisiri izvo uye shanduko mumaparamita. Inobatsira pakumhanya kwakaderera. | Inogona kufungidzira stator kuramba uye kumhanya pachayo. Inochengeta sisitimu yakagadzikana uye inoita kuti fungidziro ichokwadi. |
Vacherechedzi (Modhi-Yakavakirwa Nzira) | Vacherechedzi vanofungidzira zvinhu zvausingakwanise kuyera, senge rotor chinzvimbo uye kumhanya. Vanoshandisa system inputs uye zvinobuda. Izvi zvinobatsira kuvhara-loop control. | Vanokubvumira kufungidzira zvinhu zvakaoma-kuyera. Vanoita kuti kutonga kuve kwakarurama uye kwakavimbika. Izvo zvinodiwa pakudzora kusina sensor. |
Stator Resistance Estimation | Izvi zvakakosha kune yakanaka yakaderera-kumhanya basa. Izvo zvinokanganisa kuti iwe unogona sei kufungidzira stator flux nekumhanya. | Algorithms uchishandisa SMO uye hyper-kugadzikana dzidziso inoita kuti sisitimu isimbe pakurwisa shanduko mumaparamita. |
Kuita PID muBLDC Mota Controller
Kugadziridza Hardware
Kutanga, gadzirira hardware yako ye bldc mota controller. Sarudza yakanaka brushless dc mota uye controller inoshandisa pulse-width modulation. Shandisa 8-bit microcontroller, sePIC MCU, kudzora bldc. Batanidza controller kune motor windings. Ita shuwa kuti magetsi anoenderana nezvinodiwa nemota yako. Batanidza masensa, akadai seHall sensors kana encoder, kumota kuti uwane mhinduro.
Batanidza kubuda kwemutongi kune zvikamu zvemota. Shandisa transistors kana MOSFETs kushandura magetsi. Misa pwm zvikwangwani zvekudzora voltage inotumirwa kumota. Chinja pwm duty cycles kugadzirisa kumhanya. Shandisa oscilloscope kana data logger kuti utarise mapindiro, kubuda, uye zviratidzo zvekukanganisa. Izvi zvinokubatsira kuona kana hardware yako ichishanda zvakanaka.
Zano: Edza hardware yako nemitoro yakasiyana. Shandisa maitiro ekuedza magadzirirwo, senge factorial dhizaini, kuti uwane yakanakisa kuseta. Zvishandiso zvechiverengero zvakaita seANOVA zvinokubatsira kuona kuti ndezvipi zvinhu zvinonyanya kukosha pakuita kwemutongi wako.
Sensor Integration
Masensa akakosha mune yako bldc mota controller. Masensa eHoro uye encoders anokuudza nzvimbo ye rotor uye kumhanya. Iwe unogona zvakare kushandisa sensorless nzira dzinofungidzira chinzvimbo kubva kumashure EMF. Batanidza masensa ako kumapini ekupinza emutongi. Ita shuwa kuti waya dzakasimba uye masensa akaiswa zvakanaka.
Unogona kutarisa kuti ma sensors ako anoshanda sei nekutarisa zvinhu izvi:
Metric | tsananguro |
|---|---|
Avhareji Yekumhanya (V) | Inoratidza kukurumidza kumhanya kwemota yako. |
Avhareji Yekumhanyisa (A) | Inokuudza kuti kasi inochinja sei. |
Avhareji yeKutsauka Kwenzira (D) | Inoyera kuti mota yako iri padyo zvakadii inotevera kumhanya kwechinangwa. |
Tsanangudzo Yetsaona (C) | Inoratidza kuti zvakadii chaizvo uye zvinomhanyisa kumhanya zvinoenderana. |
Mharadzano yeNzvimbo yeTrajectory (S) | Inotarisa kuti mota yako inoteedzera sei kumhanya kweseti nekufamba kwenguva. |
Kana iwe ukashandisa michina yekudzidza modhi, unogona kufungidzira mota basa mamaki kubva kune aya maficha. Izvi zvinokubatsira iwe kuwana yakanaka uye yakatsiga yekumhanyisa mhinduro.
Ongorora: Gara uchitarisa ma sensor masaini ako kune ruzha. Waya dzakaipa kana masensa asina kumisikidzwa zvakanaka anogona kukonzera kukanganisa mune yako yekumhanyisa controller.
PID algorithm
Iyo pid algorithm inobatsira yako bldc mota controller kuchengetedza kumhanya kwakadzikama. Iyo controller inoverenga iyo chaiyo kumhanya kubva kune sensors uye inotarisa iyo inopesana neyako setpoint. Inowana kukanganisa uye inoshandisa zvikamu zvitatu: zvakaenzana, zvakakosha, uye zvinobva. Chikamu chakaenzana chinotarisana nekukanganisa kwazvino. Chikamu chakakosha chinowedzera zvikanganiso zvekare. The derivative part inofembera zvikanganiso zveramangwana.
Iwe unogona kunyora iyo pid algorithm mune yako controller's firmware seizvi:
error = setpoint - actual_speed;
integral += error;
output = Kp * error + Ki * integral + Kd * (error - last_error);
last_error = error;
Mazhinji bldc mota controllers anoshandisa chete zvakaenzana uye zvakakosha zvikamu. The derivative chikamu chinogona kuita kuti sisitimu izununguke, kunyanya kana paine ruzha. Unogona kushandura Kp neKi kukosha kuti uwane mibairo yakanaka. Tanga nenhamba diki wodzisimudza uchitarisa overshoot kana kusagadzikana.
Unogona kutarisa kuti pid yako inoshanda sei nekutarisa zvinhu izvi:
Simuka nguva
Kugadzirisa nguva
Kupfuura
Kukanganisa kwakagadzikana
Iwe unogona zvakare kushandisa kukanganisa-kwakavakirwa mitemo senge Integral Time Square Error (ITSE) kana Integral Absolute Error (IAE) kuti uone kuti inoshanda sei. Mamwe mainjiniya anoshandisa algorithms akakosha, seGenetic Algorithm kana Particle Swarm Optimization, kurongedza pid marongero kuti ive nani.
Zano: Kana controller yako yakawandisa kana kuzunungusa, edza kudzikisa Kp kana kudzima chikamu chinobuda.
Tuning Parameters
Tuning yako bldc mota controller kwakakosha kune yakanaka kumhanya kudzora. Tanga nekutora kukosha kwekutanga kweKp neKi. Semuenzaniso, unogona kuedza Kp=5 uye Ki=7. Mhanya injini uye uone kuti inokurumidza kusvika sei kune yakasetwa sipidhi. Kana ikanonoka, simudza Kp. Ukaona uchizununguka, dzikisa Kp kana Ki.
Iwe unogona kushandisa data kubva encoders kana tachometers kutarisa mhedzisiro yako. Edza maitiro akasiyana uye nyora pasi zvinoitika. Shandisa zvibodzwa zvakaita seIAE, ITAE, ITSE, uye ISE kuenzanisa marongero. Izvi zvibodzwa zvinokubatsira kuti uwane yakanakisa tuning kune yako yekumhanyisa controller.
Iwe unogona zvakare kushandisa math equations ye torque, angular velocity, uye yazvino kutevedzera yako brushless dc mota. Izvi zvinokutendera kuti uedze shanduko mukugadzirisa uye uone maitiro azvinoita kukurumidza kudzora.
Zano: Gara uchiyedza tuning yako nehardware chaiyo. Simulations inobatsira, asi bvunzo chaidzo dzinowana matambudziko aungapotsa.
Kuedza uye Kugadzirisa Matambudziko
Kuedza yako bldc mota controller inokubatsira kuwana nekugadzirisa matambudziko. Shandisa masensa uye matanda edata kurekodha mapindiro, zvinobuda, uye zviratidzo zvekukanganisa. Tarisa dambudziko, senge actuator saturation, yakakosha windup, kana ruzha kunzwa.
Heino tafura yezvakajairika uye zvekutarisa:
chikamu | Tsananguro / Chinangwa |
|---|---|
Error Signals | Tarisa zvikanganiso zvakakura kana kukura pakati pekuseta uye kumhanya chaiko. |
Actuator Saturation | Tarisa kana iyo controller inobuda ichirova kwayo yepamusoro kana kushoma. |
Integral Windup | Tarisa mhinduro inononoka kana kuwandisa kwakakonzerwa nekuwanda kwekuita. |
Noise Sensitivity | Ona kana ruzha rwepamusoro-soro ruchiita kuti controller isagadzikana. |
kutsvetera | Tsvaga zvikanganiso zvakatsiga izvo zvisingaendi. |
Nonlinearity | Ziva kana iyo system ichiita zvakasiyana pakumhanya kwakasiyana kana mitoro. |
Sensor Calibration | Ita shuwa kuti masensa anopa kuverenga chaiko. |
Actuator Health | Simbisa kuti mota inopindura kune controller mirairo. |
Feedback Loop Kutendeseka | Ita shuwa kuti masaini emhinduro anoenderana nemamiriro chaiwo ehurongwa. |
PID Parameter Tuning | Wongorora yako Kp, Ki, uye Kd kukosha kwekugadzikana uye kuita. |
Kana iwe ukaona matambudziko, shandura tuning yako kana tarisa hardware yako. Ita shuwa kuti pwm yako masaini uye yebasa kutenderera ndeyechokwadi. Edza controller yako nemitoro yakasiyana uye kumhanya kuti uve nechokwadi chekuti inoshanda mumamiriro ese.
Zano: Shandisa yakavharika-loop simulations usati Hardware bvunzo. Izvi zvinokubatsira kuwana matambudziko nekukurumidza uye kuchengetedza nguva.
Speed Mutongi Mazano uye Matambudziko
Izvozvi uye Voltage
Iwe unofanirwa kutarisa ikozvino uye voltage mune yako bldc mota controller. Kushandisa voltage isiriyo kunogona kumira kana kutyora mota yako bldc. Tafura iri pazasi inoratidza yakachengeteka voltage uye tembiricha yemutongi wako:
Input Voltage (VDC) | Operational Result |
|---|---|
8 - 30 | Zvakajairika kushanda |
> = 42 | Energy Dump kukanganisa; mota inomira uye freewheels kusvika simba kutenderera |
Kupisa (° C) | Current Limit Behaviour |
|---|---|
<75 | Zvakajairika kushanda |
75 - 90 | Miganho yazvino inodzika kusvika ku40A pa90°C |
90 - 100 | Muganho wazvino wasvika pa40A |
> = 100 | Motokari inomira; freewheels kusvika patsva |
Iwe unofanirwa kuseta masurge ano miganhu zvakare. Kana iyo yekuvhiya ikozvino muganho yakakwira kupfuura yakajairwa, controller yako inoregedza mapfupi akakwira ikozvino kuputika kuitika. Izvi zvinobatsira bldc yako kubata nekukurumidza kurodha shanduko.
Kuchinja Frequency
Kuchinja frequency kunoshandura mashandiro anoita bldc mota controller yako. Kusimudza frequency yekuchinja kunoita kuti ikozvino ive nyore. Izvi zvinobatsira bldc yako kumhanya yakanyarara uye inopa zvirinani torque. Miedzo inoratidza yakakwira switching frequency inoita kuti kutonga bandwidth kuve kukuru. Semuenzaniso, 8 kHz switching inogona kusimudza bandwidth kubva pa400 Hz kuenda pa1 kHz. Iwe unowana mhinduro nekukurumidza uye zvirinani kudzora kumhanya. Asi kana frequency yakawandisa, controller yako inogona kupisa.
Position Detection
Kuonekwa kwakanaka kwenzvimbo kwakakosha kune yako bldc mota controller. Unogona kushandisa nhanho yakazara, hafu nhanho, kana microsteping. Microstepping inopa yakanyanya kurongeka asi shoma torque. Chopper drive vatyairi vanokubatsira kudzora ikozvino zvirinani. Izvi zvinoita kuti bldc yako ifambe zvakanaka uye inobatsira nekudzora chinzvimbo. Kana iwe ukashandisa madhiraivha anodzikamisa-azvino, unogona kurasikirwa nekunyatso uye kushanda zvakanaka.
fashoni | zvakarurama | Torque |
|---|---|---|
Full Danho | Low | High |
Hafu Danho | nzira | nzira |
Microsteping | High | Low |
Firmware Matambudziko
Matambudziko eFirmware anogona kuita kuti yako bldc mota controller ikundikane. Iwe unofanirwa kushandisa zvishandiso senge oscilloscopes kutarisa masaini. Tarisa kundangariro uye marejista kuti uwane zvikanganiso. Real-time trace analysis inobatsira iwe kuona matambudziko enguva. Kuedza otomatiki kunowana tsikidzi nekukurumidza. Mamwe makambani aive nedambudziko rakakura nekuda kweiyo yakaipa firmware. Semuyenzaniso, kuwanda kwe stack uye kushaikwa kufoira-safes kwakaita kuti vatadze kutonga. Nguva dzose edza firmware yako uye shandisa yakachengeteka coding mitemo.
Dambudziko Rakawanda
Unogona kusangana nematambudziko akajairika paunenge uchigadzirisa yako bldc yekumhanyisa controller. Vanhu vazhinji vanoshandisa kuedza uye kukanganisa kugadzirisa PID values. Izvi zvinogona kupa kutonga kwakashata. Yakagadziriswa PID marongero haashande zvakanaka kana system yako ikachinja. Heuristic nzira seZiegler-Nichols dziri nyore asi hadzisi dzakasimba nguva dzose. Adaptive PID inoda mhando dzakanaka, dzakaoma kuwana. Iwe unofanirwa kushandisa kuyerwa system yekuongorora uye kutonga machati kuti utarise kuita. Gara uchiunganidza data, tarisa maitiro ako, uye ramba uchidzidza.
Kumisikidza PID yekumhanyisa mutemo mune yako BLDC mota controller, tevera matanho aya:
Sarudza iyo chaiyo controller Hardware.
Batanidza masensa kuti uwane mhinduro.
Ronga mutongi nePID algorithm.
Tune controller kuti uwane mibairo yakanaka.
Edza mutongi neako BLDC mota.
Ramba uchidzidza uye uchikumbira rubatsiro kana mutongi wako akatarisana nematambudziko akaomarara. Iwe unogona kuwana yakatsiga kumhanya uye yakavimbika kudzora.
FAQ
Chii chinonzi PID mumotokari controllers?
PID inomirira Proportional, Integral, uye Derivative. Izvi zvikamu zvitatu zvinokubatsira kudzora kumhanya kwemota yako yeBLDC. Chikamu chimwe nechimwe chinogadzirisa mhando dzakasiyana dzezvikanganiso mune yako yekumhanyisa control system.
Nei mota yangu yeBLDC ichipfuudza kumhanya kwechinangwa?
Motokari yako inodarika kana PID marongero anyanya. Edza kudzikisira chiyero (Kp) kana chakakosha (Ki) kukosha. Izvi zvinobatsira mota yako kusvika painomhanyisa kumhanya pasina kuenda kure.
Ini ndinogona kushandisa sensorless control kune ese BLDC mota?
Iwe unogona kushandisa sensorless control kune akawanda BLDC mota. Inoshanda zvakanyanya pakumhanya kwepakati nepamusoro. Pakumhanya kwakaderera, nzira dzisina sensor dzingasape chaiyo rotor chinzvimbo.
Ndinoziva sei kana yangu PID tuning yakarurama?
Tarisa zviratidzo izvi:
Iyo mota inosvika pakukurumidza seti nekukurumidza.
Pane zvishoma kana kuti hapana overshoot.
Kumhanya kunoramba kwakadzikama.
Kana iwe ukaona zvikanganiso zvakakura kana kuzununguka, gadzirisa yako PID tsika.
