Kev daws teeb meem Electromagnetic Interference (EMI) hauv Servo Motor Theem

Peb tau tsim cov theem tes thiab cov theem siv lub cev muaj zog tau ntau tshaj 9 xyoo. Peb kuj tsim cov platform sib dhos tsis siv neeg. Yog li peb tau pom ntau yam teeb meem EMI. Qee qhov yooj yim. Qee qhov ua rau koj xav rub koj cov plaub hau tawm.

Yog koj ua haujlwm nrog kev teeb tsa optical, koj paub qhov kev xav. Lub theem txav mus los. Lub koob yees duab zoo li cas. Daim duab muaj suab nrov. Qhov chaw tsis zoo li ob peb microns. Koj xyuas cov mechanics. Txhua yam nruj. Tom qab ntawd koj paub tias qhov teeb meem tsis yog mechanical. Nws yog suab nrov hluav taws xob.

Phau ntawv qhia no yog rau cov neeg yuav khoom, cov engineers, thiab txhua tus neeg uas xav tau ib qhotheem servo lub cev muaj zoguas ua haujlwm tau tiag tiag hauv lub Hoobkas tiag tiag. Tsis muaj dab tsi ntxiv. Tsuas yog cov khoom siv tau tiag tiag uas peb tau kawm los ntawm cov haujlwm tiag tiag.

EMI Ua Li Cas Rau Lub Servo Motor Theem

EMI sawv cev rau kev cuam tshuam hluav taws xob. Nws yog suab nrov hluav taws xob tsis xav tau. Nws tuaj yeem mus ncig los ntawm cov xov hlau lossis los ntawm huab cua. Thaum nws nkag mus rau hauv koj lub theem, nws ua rau lub tsav, encoder, lub koob yees duab, lossis cov sensors puas.

Qhov tshwm sim?Kev cuam tshuam kev tswj kev txav mus los. Lub theem tsis txav mus rau qhov chaw uas koj hais kom nws mus. Qee zaum nws yog qhov yuam kev me me. Qee zaum nws yog qhov loj heev. Hauv kev teeb tsa optical, txawm tias qhov yuam kev me me kuj yog qhov teeb meem loj.

Peb tau pom ib theem txheem nrog 2 µm rov ua dua hauv chav kuaj. Ntawm kab ntau lawm, nws poob qis mus rau 15 µm. Tib theem. Tib yam mechanics. Qhov txawv tsuas yog EMI los ntawm cov khoom siv nyob ze.

Qhov twg EMI los ntawm hauv cov theem motorized

EMI nyob rau hauv cov theem motorizedfeem ntau los ntawm plaub qhov chaw. Cia peb muab lawv cais ua pawg.

Lub Tsav Tsheb Feem Ntau Yog Tus Neeg Ua Phem Tseem Ceeb

Feem ntau cov servo drives siv PWM. Qhov ntawd txhais tau tias lawv qhib thiab kaw lub zog sai heev. Peb tab tom tham txog 10 kHz txog 100 kHz lossis ntau dua. Qhov kev hloov pauv sai no tsim cov suab nrov siab. Nws yog qhov chaw loj tshaj plaws ntawm EMI hauv feem ntau lub kaw lus.

Cov Cables thiab Grounding: Cov Neeg Ua Phem Ib Txwm Muaj

Cov xov hluav taws xob thiab cov xov teeb liab yuav tsum tsis txhob khiav ua ke. Yog tias lawv ua, suab nrov dhia ntawm ib qho mus rau lwm qhov. Peb tau pom ib txoj hlua encoder tsis muaj ntaub thaiv ntev 3-meter nyob ib sab ntawm txoj hlua fais fab 220 V. Qhov ntawd ntxiv 10 µm ntawm qhov yuam kev. Tsuas yog los ntawm kev xa xov hluav taws xob xwb.

Kev sib txuas av tsis zoo yog lwm qhov teeb meem loj. Lub voj voog av ua haujlwm zoo li lub antenna. Nws khaws cov suab nrov thiab xa ncaj qha mus rau koj lub encoder lossis lub koob yees duab.

Cov Encoders thiab Cov Koob Yees Duab Yog Cov Neeg Raug Tsim Txom

Cov encoders xa cov teeb liab qis-voltage. Lawv yooj yim rau kev cuam tshuam. Yog tias lub encoder cable tsis tau tiv thaiv, suab nrov tuaj yeem hloov pauv cov pulses. Lub drive ces xav tias lub theem nyob qhov twg nws tsis yog.

Cov koob yees duab kuj tseem rhiab heev. EMI tshwm sim ua cov kab, daus, lossis cov pas nrig dov hauv daim duab. Cov software pom ntug tsis raug. Nws xam qhov offset tsis raug. Lub theem txav mus rau qhov chaw tsis raug.

Lwm Cov Chaw Uas Koj Tej Zaum Yuav Tsis Xav Txog

Cov tshuab vuam, cov twj tso kua mis, cov lasers, thiab txawm tias cov teeb fluorescent tuaj yeem tsim EMI. Peb muaj ib tug neeg siv khoom uas nws lub theem ua haujlwm tsis zoo txhua zaus tus kws vuam ze ze qhib. Lub theem zoo. Ib puag ncig yog qhov teeb meem.

Vim li cas Automated Optical Alignment thiaj li rhiab heev

EMI hauv Cov Theem Tsav Tsheb rau Cov Platforms Optical Alignment Tsis Siv Neegyog ib qho teeb meem uas tshwm sim ntau thiab kim heev. Nov yog vim li cas.

Kev teeb tsa optical yog ib qho txheej txheem kaw-voj. Lub koob yees duab saib ntawm ib qho cim. Software xam qhov offset. Lub theem txav mus kho nws. Tom qab ntawd lub koob yees duab kuaj xyuas dua. Yog tias EMI nkag mus rau hauv lub teeb liab ntawm lub koob yees duab, daim duab yuav tsis meej. Yog tias EMI nkag mus rau hauv lub teeb liab ntawm encoder, lub tsav tsheb yuav tsis meej pem. Lub voj voog yeej tsis daws teeb meem.

Hauv ntau lub Hoobkas, lub hom phiaj yog 1 µm txog 5 µm. EMI tuaj yeem yooj yim ntxiv 10 µm txog 50 µm ntawm qhov yuam kev. Qhov ntawd yog qhov sib txawv ntawm kev dhau thiab kev ua tsis tiav.

Yuav ua li cas thiaj txo tau kev cuam tshuam ntawm kev tswj kev txav mus los hauv cov theem servo motor rau cov platforms optical alignment?

Qhov no yog lo lus nug loj.Yuav ua li cas thiaj txo tau kev cuam tshuam ntawm kev tswj kev txav mus los hauv cov theem servo motor rau cov platforms optical alignment?Cov lus teb tsis yog ib feem khawv koob. Nws yog ib txoj hauv kev ua haujlwm.

Nov yog 8 yam uas peb ua hauv cov haujlwm tiag tiag.

1. Siv Cov Cables Twisted-Pair Uas Muaj Shielded

Kev tiv thaiv thaiv cov teb hluav taws xob. Kev sib ntswg tshem tawm cov teb sib nqus. Siv cov khub sib ntswg uas muaj ntaub thaiv rau cov encoders. Siv cov xov hlau uas muaj ntaub thaiv rau lub zog ntawm lub cev muaj zog. Txuas lub ntaub thaiv ntawm ob qho kawg rau lub suab nrov zaus siab. Rau lub suab nrov zaus qis, sim ib qho kawg. Sim ob qho tib si.

Ib lub ntaub thaiv zoo tuaj yeem txiav suab nrov los ntawm 20 dB txog 40 dB. Qhov ntawd yog 10 txog 100 npaug tsawg dua lub zog suab nrov.

2. Khaws Cov Xov Tooj Fais Fab thiab Cov Xov Tooj Teeb Liab Sib Nrug

Khaws cov xov hluav taws xob kom deb li ntawm 20 cm ntawm cov xov teeb liab. Yog tias lawv yuav tsum hla, hla ntawm 90 degrees. Tsis txhob khiav lawv sib luag rau qhov deb ntev. Txoj cai yooj yim no tuaj yeem txo qhovkev cuam tshuam kev tswj kev txav mus loslos ntawm ib nrab lossis ntau dua.

3. Kho Koj Qhov Av

Siv ib lub av ib qho rau cov teeb liab analog. Siv lub dav hlau av rau lub suab nrov siab. Khaws cov xov hlau av kom luv thiab tuab. Tsis txhob siv cov saw daisy. Lub av tsis zoo tuaj yeem ua rau EMI phem dua, tsis zoo dua.

4. Ntxiv EMI Filters thiab Ferrite Cores

Nruab ib lub lim dej EMI rau ntawm qhov nkag AC ntawm lub tsav. Ntxiv cov ferrite cores rau ntawm lub cev muaj zog thiab cov xov hlau encoder. Lub ferrite core tuaj yeem ntxiv 10 dB txog 30 dB ntawm impedance ntawm qhov zaus siab. Nws tiv thaiv suab nrov los ntawm kev mus ncig raws lub xov hlau.

5. Xaiv Cov Tsav Tsheb thiab Cov Motors Uas Muaj Low-EMI

Tsis yog txhua lub drives zoo ib yam. Ib txhia muaj soft switching. Ib txhia muaj built-in filters. Ib txhia motors muaj winding tsim zoo dua. Nug cov ntaub ntawv xeem EMI. Ib qho qis-EMItheem servo lub cev muaj zogtej zaum yuav raug nqi ntxiv 10% txog 20%. Tab sis nws tuaj yeem txuag tau 50% ntawm lub sijhawm debugging.

6. Txhim kho cov lus tawm tswv yim ntawm Encoder

Siv cov encoders sib txawv es tsis txhob siv cov ib kawg. Cov teeb liab sib txawv tsis lees txais cov suab nrov hom sib xws. Siv cov encoders optical hauv cov teb sib nqus muaj zog. Siv cov encoders sib nqus hauv cov chaw qias neeg. Txuas lub encoder rau txoj haujlwm.

7. Ntsuas Ua Ntej Koj Kho

Koj kho tsis tau yam koj ntsuas tsis tau. Siv lub oscilloscope los saib cov teeb liab encoder. Siv lub EMI receiver los nrhiav cov suab nrov uas tawm los. Tshawb xyuas ze ntawm lub koob yees duab, encoder, thiab lub drive. Sau cov suab nrov ua ntej thiab tom qab txhua zaus kho.

8. Siv Cov Lim Software ua qhov chaw kawg

Qee zaum kho vajtse tsis txaus. Koj tuaj yeem ntxiv lub lim dej notch hauv lub tsav. Koj tuaj yeem ntxiv lub lim dej qis-pass hauv software lub koob yees duab. Koj tuaj yeem nruab nrab ntau qhov nyeem. Cov txheej txheem no tsis tshem tawm EMI, tab sis lawv txo nws cov nyhuv.

Rooj 1 qhia txog hom kev txhim kho uas koj tuaj yeem cia siab tau.

Qib Servo Tsav Tsheb EMI Qis vs Qib Servo Tsav Tsheb Txheem rau Kev Teeb Pom Kev Tsis Siv Neeg

Thaum koj yuav ib lub theem, koj muaj kev xaiv. Koj tuaj yeem yuav ib lub theem txheem. Los yog koj tuaj yeem yuav lub theem EMI qis.Qib Servo Tsav Tsheb EMI Qis vs Qib Servo Tsav Tsheb Txheem rau Kev Teeb Pom Kev Tsis Siv Neegkev sib piv yog qhov tseem ceeb. Nws cuam tshuam rau tus nqi, lub sijhawm ua khoom, thiab kev ua tau zoo.

Nov yog lawv piv li cas.

Ib theem txheem zoo rau cov haujlwm yooj yim. Yog tias koj txav ntawm qhov chaw A mus rau qhov chaw B nrog qhov tseeb 50 µm, EMI yuav tsis muaj teeb meem. Tab sis yog tias koj teeb tsa cov khoom siv kho qhov muag nrog qhov tseeb 1 µm, theem txheem yuav ua tsis tiav.

Ib theem EMI qis dua yuav kim dua. Tab sis nws txo qhov kev pheej hmoo. Nws txuag lub sijhawm tsim kho. Nws txhim kho cov txiaj ntsig. Hauv ntau qhov project, tus nqi ntxiv yuav them rov qab hauv ob peb lub lis piam.

Daim Ntawv Teev Xaiv Yooj Yim

Koj xaiv qhov yog li castheem servo lub cev muaj zogSiv daim ntawv teev npe no.

Kauj Ruam 1: Txhais koj qhov chaw nyob EMI.Sau cov khoom siv nyob ze. Cov tshuab vuam, cov twj tso kua mis, cov lasers, thiab cov tsav yog cov chaw ua suab nrov heev. Xyuas qhov deb. Xyuas qhov zaus.

Kauj Ruam 2: Xyuas seb qhov rov ua dua tau li cas, tsis yog tsuas yog qhov kev daws teeb meem xwb.Ib theem yuav muaj qhov kev daws teeb meem 0.1 µm. Tab sis yog tias qhov rov ua dua yog 5 µm, nws tsis tuaj yeem tuav 1 µm kev sib phim. Thov cov ntaub ntawv xeem hauv qab EMI.

Kauj Ruam 3: Nug txog kev tiv thaiv thiab kev sib txuas av.Cov xov hlau puas muaj kev tiv thaiv? Lub tiv thaiv txuas li cas? Puas muaj lub dav hlau hauv av? Koj puas muab tau daim duab qhia txog kev sib txuas hauv av?

Kauj Ruam 4: Tshuaj xyuas qhov tsim ntawm cable thiab connector.Cov khoom txuas hlau zoo dua li cov yas. Lawv muab kev tiv thaiv. Xyuas seb lub xov hlau puas khoov tau. Kev khoov nruj tuaj yeem ua rau lub tiv thaiv tawg.

Kauj Ruam 5: Thov cov ntaub ntawv xeem EMI.Thov cov ntaub ntawv txog kev tso pa tawm thiab kev ua pa tawm. Thov cov ntaub ntawv kuaj kev tiv thaiv kab mob. Yog tias tus neeg muab khoom tsis tuaj yeem muab tau, ceev faj.

Kauj Ruam 6: Xav txog tag nrho cov nqi.Tsis txhob tsuas yog piv tus nqi theem xwb. Xam nrog lub sijhawm tsim kho, lub sijhawm debugging, lub sijhawm tsis ua haujlwm, thiab kev poob nyiaj.

Cov Ntaub Ntawv Tseeb Los Ntawm Peb Lub Khw Muag Khoom

Peb tau pomEMI nyob rau hauv cov theem motorizednyob rau hauv ntau lub lag luam. Nov yog plaub qhov teeb meem tiag tiag.

Rooj plaub 1: Kev tshuaj xyuas semiconductor wafer.Ib tug neeg siv khoom siv tus qauvtheem servo lub cev muaj zogLub koob yees duab pom 5 µm suab nrov. Qhov rov ua dua theem yog 3 µm. Tom qab ntxiv cov cables tiv thaiv thiab lub ferrite core, suab nrov poob rau 1 µm. Cov txiaj ntsig tau zoo dua los ntawm 8%.

Rooj Plaub 2: Kho lub vaj huam sib luag zaub.Ib lub tshuab kho qhov screen muaj qhov yuam kev random txhua 20-30 lub voj voog. Qhov ua rau yog lub voj voog av ntawm theem thiab lub laser. Ib lub av ib qho thiab lub transformer cais tau kho nws. Qhov yuam kev tau nres tag nrho.

Rooj Plaub 3: Kev tshuaj xyuas cov ntaub ntawv kho mob.Lub tshuab ntsuas mob xav tau kev txav mus los du. Lub theem co ntawm 100 Hz. Qhov ua rau yog suab nrov PWM los ntawm lub tsav. Lub lim dej qis-pass thiab lub tsav qis-EMI txo qhov kev co los ntawm 90%.

Rooj plaub 4: Kev teeb tsa laser.Lub platform teeb tsa laser muaj qhov yuam kev 10 µm. Lub xov hlau encoder tsis muaj ntaub thaiv. Nws khiav ib sab ntawm lub xov hlau fais fab 220 V rau 3 meters. Tom qab cais cov xov hlau thiab siv lub xov hlau encoder uas muaj ntaub thaiv, qhov yuam kev poob qis mus rau 1.5 µm.

Cov Lus Nug Feem Ntau

Yuav ua li cas thiaj txo tau kev cuam tshuam ntawm kev tswj kev txav mus los hauv cov theem servo motor rau cov platforms optical alignment?
Siv cov xov hlau uas muaj ntaub thaiv. Cais lub zog thiab lub teeb liab. Siv av kom zoo. Ntxiv cov lim dej thiab ferrites. Xaiv theem qis-EMI. Sim nrog lub oscilloscope. Cov kauj ruam no txokev cuam tshuam kev tswj kev txav mus loslos ntawm 80% txog 95% hauv feem ntau.

Dab tsi yog qhov chaw loj tshaj plaws ntawm EMI hauv theem servo motor?
Lub PWM servo drive yog qhov chaw loj tshaj plaws. Cov xov hlau ntawm lub cev muaj zog yog qhov thib ob. Cov voj voog hauv av yog qhov thib peb.

Kuv puas kho tau EMI yam tsis hloov theem?
Yog. Koj tuaj yeem ntxiv cov lim dej, ferrites, thiab cov xov hlau tiv thaiv. Koj tuaj yeem txhim kho kev sib txuas hauv av. Tab sis yog tias tus qauv tsim theem tsis zoo, koj tsuas yog yuav tau txais kev txhim kho ib nrab xwb.

Tus nqi ntawm theem servo motor qis EMI raug nqi ntau npaum li cas?
Ib theem EMI qis raug nqi ntau dua li ib theem txheem 10% txog 30%. Tus nqi tseeb nyob ntawm qhov kev mus los, kev thauj khoom, thiab qhov tseeb.

Kuv puas xav tau theem EMI qis rau chav huv?
Chav huv tsis tshem tawm EMI. Tab sis cov khoom siv hauv chav huv feem ntau rhiab heev. Theem EMI qis yog qhov kev xaiv zoo rau kev teeb tsa kho qhov muag hauv chav huv.

Kuv yuav kuaj EMI li cas?
Siv lub oscilloscope rau lub suab nrov. Siv lub EMI receiver rau lub suab nrov uas tawm los. Sim ntawm lub koob yees duab, encoder, thiab drive. Piv ua ntej thiab tom qab txhua qhov kho.

Vim Li Cas Thiaj Ua Haujlwm Nrog Peb

Peb tau ua lag luam no tau ntau tshaj 9 xyoos. Peb ua cov theem tes thiab cov theem siv lub cev muaj zog. Peb kuj ua cov platform sib dhos tsis siv neeg. Peb tsom mus rau R&D, kev tsim khoom, thiab kev muag khoom. Peb nkag siab txog EMI vim peb sim nws txhua hnub.

Peb litheem servo lub cev muaj zogcov kev xaiv muaj xws li:

Cov teeb tsa cables qis EMI.

Cov cables encoder uas muaj kev tiv thaiv.

Cov lim dej EMI ua ke.

Cov encoders sib txawv.

Kev tsim qauv av.

Cov ntaub ntawv xeem EMI raws li qhov kev thov.

Peb tsis yog tsuas yog muag ib theem xwb. Peb pab koj daws tag nrho cov teeb meem kev txav mus los. Yog tias koj muaj teeb meem EMI, xa koj cov teeb tsa rau peb. Peb tuaj yeem tshuaj xyuas koj cov cables, grounding, thiab drive settings. Peb tuaj yeem pom zoo rau ib theem EMI qis uas haum rau koj cov peev nyiaj.

Cia Peb Tham Txog Koj Qhov Teeb Meem EMI

Koj puas tab tom tsim lub platform teeb tsa optical alignment uas tsis siv neeg? Koj puas nkees ntawmkev cuam tshuam kev tswj kev txav mus losKoj puas xav tau ib qhotheem servo lub cev muaj zoguas ua haujlwm hauv lub Hoobkas uas muaj suab nrov?

Tiv tauj peb hnub no. Qhia rau peb paub txog koj lub hom phiaj raug, qhov deb ntawm kev mus los, qhov hnyav, thiab ib puag ncig. Peb yuav muab cov lus qhia meej rau koj. Peb kuj tseem yuav qhia cov ntaub ntawv xeem thiab cov lus qhia xaiv. Cia peb txo EMI thiab txhim kho koj cov txiaj ntsig.

Email rau peb tam sim no. Tau txais tus nqi sai. Daws koj qhov teeb meem EMI nrog lub theem tsim rau kev tsim khoom tiag tiag.