Kugadzirisa Matambudziko eElectromagnetic Interference (EMI) muServo Motor Stages

Tave tichigadzira zviteshi zvinoshandisa manual uye motorized kwemakore anopfuura mapfumbamwe. Tinogadzirawo mapuratifomu e automated alignment. Saka takaona matambudziko akawanda eEMI. Mamwe ari nyore. Mamwe anoita kuti ude kudhonza bvudzi rako.

Kana ukashanda ne optical alignment, unoziva manzwiro acho. Chikuva chinofamba. Kamera inotaridzika. Mufananidzo une ruzha. Nzvimbo yacho yakadzimwa nema microns mashoma. Unotarisa makanika. Zvese zvakamanikana. Wobva waona kuti dambudziko harisi remakanika. Ruzha rwemagetsi.

Gwaro iri nderevatengi, mainjiniya, uye chero ani zvake anodadanho remota yeservoizvo zvinoshanda chaizvo mufekitori chaiyo. Hapana zvinhu zvisina basa. Zvinhu zvinoshanda chete zvatakadzidza kubva kumapurojekiti chaiwo.

Chii Chinoita EMI kuServo Motor Stage

EMI inomiririra kupindira kwemagetsi. Iruzha rwemagetsi rusingadiwe. Runogona kufamba netambo kana nemhepo. Kana rwasvika padanho rako, runovhiringa drive, encoder, kamera, kana masensa.

Mugumisiro wacho?Kukanganisa kwekufamba kwemuviri. Danho harifambi chaipo pawakaudzwa. Dzimwe nguva chikanganiso chidiki. Dzimwe nguva chikanganiso chikuru. Pakuenderana kwemaziso, kunyangwe chikanganiso chidiki chinhu chikuru.

Taona danho rakajairika rine 2 µm rekudzokorora murabhoritari. Pamutsetse wekugadzira, rakaderera kusvika ku15 µm. Danho rimwe chete. Makanika akafanana. Musiyano chete waiva weEMI kubva kumidziyo iri pedyo.

Kwakabva EMI muMatanho Emotokari

EMI iri muzvikamu zvemotaKazhinji inobva kunzvimbo ina. Ngatizvitsanangure.

Kutyaira Kazhinji Ndiko Kunofungidzirwa Kukuru

Madhiraivha mazhinji eservo anoshandisa PWM. Izvi zvinoreva kuti anobatidza nekudzima simba nekukurumidza. Tiri kutaura nezve 10 kHz kusvika 100 kHz kana kupfuura. Kuchinja uku nekukurumidza kunogadzira ruzha rwemafrequency akawanda. Ndiyo sosi huru yeEMI mumasisitimu mazhinji.

Tambo uye Kuisa Pasi: Vanhu Vanowanzo fungidzirwa

Tambo dzemagetsi netambo dzemasaini hazvifanirwe kufamba pamwe chete. Kana zvikadaro, ruzha runosvetuka kubva kune rumwe kuenda kune rumwe. Takaona tambo ye encoder isina kuvharwa ichimhanya mamita matatu padivi petambo yemagetsi ye220 V. Izvi zvakawedzera 10 µm yekukanganisa. Kubva pakurongeka kwetambo.

Kusashanda zvakanaka kweground ndeimwe hombe. Chinotenderera pasi chinoshanda seantenna. Chinotora ruzha uye chinorutumira zvakananga kune encoder yako kana kamera.

MaEncoders nemakamera Ndivo Vanobatwa Nedambudziko

Ma encoder anotumira masaini ane voltage shoma. Zviri nyore kukanganisa. Kana tambo ye encoder isina kudzivirirwa, ruzha runogona kuchinja ma pulse. Iyo drive inofunga kuti nhanho iri panzvimbo isiriyo.

Makamera anonzwisawo. EMI inoonekwa semitsetse, sinou, kana kuti mitsetse inotenderera mumufananidzo. Software iyi inoona mupendero usiriyo. Inoverenga offset isiriyo. Danho rinoenda kunzvimbo isiriyo.

Zvimwe Zvausingafungi Nezvazvo

Mawelder, mapombi, ma laser, uye kunyange mwenje we fluorescent zvinogona kugadzira EMI. Taimbova nemutengi ane nhanho yaikanganisa pese paivhurwa welder ari pedyo. Danho racho raive rakanaka. Dambudziko ndiro raivepo.

Nei Kurongeka Kwemagetsi Kwemagetsi Kwakanyanya Kunzwisisika

EMI muMatanho Emotokari eMapuratifomu Ekugadzirisa Optical Opticalinyaya yakajairika uye inodhura. Heino chikonzero.

Kurongeka kwemaziso inzira yekuvhara. Kamera inotarisa chiratidzo. Software inoverenga offset. Danho rinofamba kuti rigadziriswe. Ipapo kamera inoongorora zvakare. Kana EMI ikapinda muchiratidzo chekamera, mufananidzo hausi pachena. Kana EMI ikapinda muchiratidzo che encoder, dhiraivha inovhiringidzika. Chinotenderera hachigari.

Mumafekitori mazhinji, chinangwa chiri pakati pe1 µm ne5 µm. EMI inogona kuwedzera zviri nyore 10 µm kusvika 50 µm yekukanganisa. Ndiwo musiyano uripo pakati pekupasa nekukundikana.

Maitiro Ekuderedza Kupindira Kwekufamba Kwemotokari muServo Motor Stages yeMapuratifomu Ekugadzirisa Optical Optical?

Uyu ndiwo mubvunzo mukuru.Maitiro Ekuderedza Kupindira Kwekufamba Kwemotokari muServo Motor Stages yeMapuratifomu Ekugadzirisa Optical Optical?Mhinduro yacho haisi yemashiripiti chete. Inzira yekushanda nesimba.

Heano zvinhu zvisere zvatinoita mumapurojekiti chaiwo.

1. Shandisa Matambo Akamoneredzwa Akakomberedzwa

Kudzivirira kunovhara minda yemagetsi. Kutenderedza kunodzima minda yemagineti. Shandisa shielded twisted-pair ye encoders. Shandisa tambo dzakadzivirirwa kuti dzishande nesimba remota. Batanidza shield kumativi ese kuti uwane ruzha rwepamusoro-soro. Kana uine ruzha rwepasi-soro, edza mugumo mumwe chete. Edza ese ari maviri.

Nhoo yakanaka inogona kuderedza ruzha ne20 dB kusvika 40 dB. Izvi zvinoreva kuti voltage yeruzha yakaderera kagumi kusvika zana.

2. Chengetedza Waya dzeMagetsi neSignali Dzisina Kuparadzaniswa

Chengeta tambo dzemagetsi dziri kure netambo dzemasaini dzinenge 20 cm. Kana dzichifanira kuyambuka, yambuka pa90 degrees. Usambofa wakadzimhanyisa dzakafanana kwedaro refu. Mutemo uyu uri nyore unogona kuderedzakukanganisa kwekufambanehafu kana kupfuura.

3. Gadzirisa Ruzivo Rwako

Shandisa nzvimbo ine poindi imwe chete pakutumira masaini eanalog. Shandisa nzvimbo ine poindi imwe chete pasi kuti uwane ruzha rwakawanda. Chengeta waya dzepasi dziri pfupi uye dzakakora. Dzivisa cheni dzedaisy. Pasi risina kunaka rinogona kuita kuti EMI iwedzere kuipa, kwete kuva nani.

4. Wedzera EMI Filters neFerrite Cores

Isa firita reEMI paAC input yedhiraivha. Wedzera ma ferrite cores pamagetsi emota ne encoder. Ferrite core inogona kuwedzera 10 dB kusvika 30 dB ye impedance pa high frequency. Inomisa ruzha kuti rusafambe netambo.

5. Sarudza Madhiraivha neMota dzeMota Dzisina Kusimba

Haasi ese madhiraivha akaenzana. Mamwe ane switching yakapfava. Mamwe ane mafirita akavakirwa mukati. Mamwe mamota ane dhizaini iri nani yekumonera. Bvunza data rekuyedza EMI. Ane EMI yakadereradanho remota yeservozvinogona kudhura 10% kusvika 20% zvakanyanya. Asi zvinogona kuchengetedza 50% yenguva yekugadzirisa matambudziko.

6. Kuvandudza Mhinduro dzeEncoder

Shandisa ma-differential encoders panzvimbo pe-single-end. Masignali e-differential anoramba ruzha rwe-common-mode. Shandisa ma-optical encoders munzvimbo dzine simba remagineti. Shandisa ma-magnetic encoders munzvimbo dzakasviba. Enzanisa encoder nebasa.

7. Chiyero Usati Wagadzirisa

Haugone kugadzirisa zvausingakwanise kuyera. Shandisa oscilloscope kuti utarise masaini e encoder. Shandisa EMI receiver kuti uwane ruzha rwakasvibira. Tarisa pedyo nekamera, encoder, uye dhiraivha. Rekodha huwandu hweruzha usati wagadzirisa uye mushure mega rega.

8. Shandisa Mafirita eSoftware Senzira Yekupedzisira Yokubuda

Dzimwe nguva hardware haikwani. Unogona kuwedzera firita ine notch mudhiraivha. Unogona kuwedzera firita ine low-pass musoftware yekamera. Unogona kuverenga avhareji yakawanda. Nzira idzi hadzibvisi EMI, asi dzinoderedza kushanda kwayo.

Tafura 1 inoratidza rudzi rwekuvandudzwa kwaungatarisira.

Chikamu Chemotokari Chepasi CheEMI Servo vs Chikamu Chemotokari CheStandard Servo Chekugadzirisa Otomatiki Kwemaziso

Kana ukatenga dariro, une sarudzo. Unogona kutenga dariro rakajairika. Kana kuti unogona kutenga dariro rakaderera reEMI.Chikamu Chemotokari Chepasi CheEMI Servo vs Chikamu Chemotokari CheStandard Servo Chekugadzirisa Otomatiki KwemazisoKuenzanisa kwakakosha. Kunokanganisa mutengo, nguva yekutangira, uye mashandiro.

Heino maitiro avanoita kuenzanisa.

Danho rakajairika rakanaka pamabasa ari nyore. Kana ukabva panzvimbo A uchienda panzvimbo B nekururama kwe50 µm, EMI ingasava nebasa. Asi kana ukaenzanisa zvikamu zve optical nekururama kwe1 µm, danho rakajairika rinogona kutadza kushanda.

Chikamu cheEMI chakaderera chinodhura zvakawanda. Asi chinoderedza njodzi. Chinochengetedza nguva yeinjiniya. Chinowedzera goho. Mumapurojekiti mazhinji, mari yekuwedzera inodzoserwa mukati memavhiki.

Rondedzero yeSarudzo Iri Nyore

Unosarudza sei chakakodzeradanho remota yeservoShandisa urongwa uhwu hwekuongorora.

Danho 1: Tsanangura nzvimbo yako yeEMI.Nyora midziyo iri pedyo. Mawelders, mapombi, ma lasers, uye madhiraivha ndiwo manyuko eruzha rwakasimba. Tarisa daro. Tarisa frequency.

Danho rechipiri: Tarisa kuti zvinodzokororwa sei, kwete kungogadzirisa chete.Danho rimwe rinogona kunge riine resolution ye 0.1 µm. Asi kana kudzokorora kuri 5 µm, harigone kuchengetedza 1 µm alignment. Bvunza data rekuyedza pasi peEMI.

Danho rechitatu: Bvunza nezvekudzivirira nekusimbisa pasi.Tambo dzacho dzakadzivirirwa here? Chidzitiro chakabatana sei? Pane purasiti yepasi here? Mungandipa dhayagiramu yepasi here?

Danho rechina: Ongorora dhizaini yetambo neconnector.Zvinobatanidza simbi zviri nani pane zvepurasitiki. Zvinodzivirira. Tarisa dhayi inokombama. Kukombama kwakasimba kunogona kutyora nhoo.

Danho rechishanu: Kumbira ruzivo rweEMI test.Kumbira ruzivo rwakaburitswa nemwaranzi uye rwakagadzirwa nemhepo inoburitsa utsi. Kumbira ruzivo rwekuyedzwa kwekudzivirira hutachiona. Kana mutengesi asingakwanise kuhupa, chenjera.

Danho rechitanhatu: Funga nezvemutengo wose.Usaenzanisa mutengo wechikamu chete. Sanganisira nguva yeinjiniya, nguva yekugadzirisa matambudziko, nguva yekushanda, uye kurasikirwa kwezvibereko.

Zvigadziko Chaizvo Kubva Muchitoro Chedu

TakaonaEMI iri muzvikamu zvemotamumaindasitiri akawanda. Heano zviitiko zvina zvechokwadi.

Nyaya 1: Kuongororwa kwewafer yeSemiconductor.Mutengi akashandisa chiyerodanho remota yeservo. Kamera yakaona ruzha rwe5 µm. Kudzokororwa kwedanho kwaive 3 µm. Mushure mekuwedzera tambo dzakadzivirirwa uye ferrite core, ruzha rwakaderera kusvika 1 µm. Goho rakawedzera ne8%.

Nyaya yechipiri: Kugadzirisa mapaneru ekuratidza.Sisitimu yekugadzirisa display yaive nezvikanganiso zvekutyaira zvisina kurongeka mushure menguva dzema 20-30. Chikonzero chaive ground loop pakati pechikuva nelaser. ground ine poindi imwe chete ne transformer inobvisa magiya zvakagadzirisa. Zvikanganiso zvakamira zvachose.

Nyaya 3: Kuskena masiraidhi ekurapa.Chinoskena chekurapa chaida kufamba zvakanaka. Danho rakadedera pa100 Hz. Chikonzero chaive ruzha rwePWM kubva padhiraivha. Sefa ine low-pass uye low-EMI drive zvakaderedza vibration ne90%.

Nyaya 4: Kurongeka kweLaser.Chikuva chelaser alignment chaive ne 10 µm position error. Tambo ye encoder yakanga isina chidzitiro. Yaifamba padivi pe 220 V power cable kwemamita matatu. Mushure mekupatsanura tambo nekushandisa shielded encoder cable, error yakaderera kusvika 1.5 µm.

Mibvunzo Inowanzo bvunzwa

Maitiro Ekuderedza Kupindira Kwekufamba Kwemotokari muServo Motor Stages yeMapuratifomu Ekugadzirisa Optical Optical?
Shandisa tambo dzakadzivirirwa. Patsanura simba nechiratidzo. Nyaradza zvakanaka. Wedzera mafirita nemaferrite. Sarudza nhanho yeEMI yakaderera. Edza ne oscilloscope. Matanho aya anoderedzakukanganisa kwekufambane80% kusvika 95% muzviitiko zvakawanda.

Ndeipi nzvimbo huru yeEMI muchikamu chemota yeservo?
PWM servo drive ndiyo inonyanya kushandiswa. Tambo dzemotokari dziri dzechipiri. Zvidimbu zvepasi zviri zvechitatu.

Ndingagadzirisa EMI here pasina kuchinja chikuva?
Ehe. Unogona kuwedzera mafirita, maferrite, uye tambo dzakadzivirirwa. Unogona kunatsiridza kudzika kwevhu. Asi kana dhizaini yechikuva isina kunaka, unogona kungowana kuvandudzwa kushoma.

Chidanho chemota yeservo yeEMI yakaderera chinodhura marii?
Danho reEMI rakaderera rinodhura 10% kusvika 30% kupfuura danho remazuva ose. Mutengo chaiwo unoenderana nekufamba, mutoro, uye kururama.

Ndinoda here nzvimbo ine EMI shoma kuti imba yekuchenesa ive yakachena?
Cleanroom haibvisi EMI. Asi michina ye cleanroom inowanzova inonyengera. Chidanho cheEMI chakaderera isarudzo yakanaka yekugadziriswa kwe cleanroom optical.

Ndingaedza sei EMI?
Shandisa oscilloscope yeruzha rwechiratidzo. Shandisa EMI receiver yeruzha rwakasvibirwa. Edza kamera, encoder, uye dhiraivha. Enzanisa usati wagadzirisa uye wapedza kugadzirisa kwega kwega.

Sei Uchifanira Kushanda Nesu?

Tave tiri mubhizinesi iri kwemakore anopfuura mapfumbamwe. Tinogadzira matanho ekushandisa nemaoko nemota. Tinogadzirawo mapuratifomu ekugadzirisa otomatiki. Tinotarisa paR&D, kugadzira, uye kutengesa. Tinonzwisisa EMI nekuti tinoiedza zuva nezuva.

Yedudanho remota yeservosarudzo dzinosanganisira:

Maseti etambo dzeEMI dzakaderera.

Tambo dze encoder dzakadzivirirwa.

Mafirita eEMI akavakirwa mukati.

Makodhi akasiyana.

Dhizaini yekuisa pasi yakagadzirwa nemaoko.

Ruzivo rweEMI rwekuyedza kana rwakumbirwa.

Hatingotengesi nhanho chete. Tinokubatsira kugadzirisa dambudziko rese rekufamba. Kana uine dambudziko reEMI, titumire zvawakagadzirisa. Tinogona kuongorora mawaya ako, magadzirirwo egrounding, uye madhiraivha. Tinogona kukurudzira nhanho shoma yeEMI inoenderana nebhajeti yako.

Ngatikurukurei nezvedambudziko renyu reEMI

Uri kuvaka puratifomu yekururamisa optical otomatiki here? Waneta nazvo here?kukanganisa kwekufambaUnoda heredanho remota yeservoinoshanda mufekitori ine ruzha?

Tibatei nhasi. Tiudzei chinangwa chenyu chekururama, nzvimbo yekufamba, mutoro, uye nharaunda. Tichakupai mazano akajeka. Tichagovanawo ruzivo rwekuyedza uye mazano ekusarudza. Ngatideredzei EMI uye tivandudze goho renyu.

Titumirei email izvozvi. Tora mutengo wekukurumidza. Gadzirisa dambudziko rako reEMI nedanho rakagadzirirwa kugadzirwa chaiko.