Mufananidzo 1. Mufananidzo wechigadzirwa cheLanbao PDA kubva papeji yepamutemo yechigadzirwa. Mufananidzo unoratidza mhuri yechigadzirwa; simbisa chivakashure chemuenzaniso wakazara usati washandisa zvakatsanangurwa. Chitubu [2].

Kudzokororwa kwakasiyana kubva kune zvimwe zviyero zvekuyera

Kudzokorora kunosanganisira kupararira kwekucherechedza kunotevedzana pasi pemamiriro ezvinhu asina kuchinja zvachose. Kudzokorora kunoongorora mamiriro akachinja, akadai semumwe mushandi, imwe nzvimbo, kana rimwe zuva. NIST inosiyanisa pfungwa idzi uye inokurudzira kutaura kuti kunyatsojeka kunoratidzwa sei, kusanganisira chiyero chezviverengero chakakodzera.

Resolution ndiyo kuwedzera kudiki kunoratidzwa kana kusiyanisa. Chiratidziro chinogona kuratidza kuwedzera kudiki ukuwo kuverenga kuri pasi kuchitenderera nehuwandu hwakawanda. Bias musiyano wakarongwa kubva pahuwandu hwereferensi. Linearity inotsanangura kubva pahukama hwakatarwa pakati pehuwandu hwekuyera. Sensor inogona kudzokorora kudzokorora kukosha kwakafanana kusina kunaka, saka kudzokorora kwakanaka hakugone kubvisa kukanganisa kwe calibration.

Verengai zvirevo zveperesenti nokungwarira. Pachikero chakazara che30 mm, ±0.1% inoenderana ne±0.030 mm, kana ±30 μm. Kuverenga ikoko kunoshandura zvirevo zverange-based kuita mayuniti einjiniya anobatsira. Hazvirevi kuti chiyero chega chega chine chikanganiso ichocho, uye hachishandure linearity kuita repeatable.

Bvunza kuti nhamba inodzokororwa inomirirei chaizvo

Makotesheni maviri anogona kutaura 20 μm uye kutsanangura mashandiro akasiyana. Mumwe mutengesi anogona kutaura nezvekuchinja kwemaitiro matatu; mumwe anogona kutaura nezvehuwandu hwese hwepamusoro-soro hwakaonekwa. Mhedzisiro yepamusoro-soro-soro inoenderanawo nehuwandu hwesampuro uye zvisaririra. Bvunza nzira yekuverenga, huwandu hwesampuro, kuverenga kusingawanikwe kana kuripo, uye kana nhamba yacho iri muganho kana kuti mhedzisiro yakajairika.

Gwaro raLanbao rePDA-CR50 rakatsaurirwa rinoratidza kadhi jena re90% reflectivity, mamiriro e23 ±5°C, 24 VDC supply, uye kudziya kwemaminitsi makumi matatu. Rinotaurawo nezvenguva ye2 ms sampling uye avhareji ye100-sample muzvinyorwa zvaro zvebvunzo. [1] Usati waenzanisa quotation negwaro iroro, bvunza kuti marongero iwayo ane hukama sei nenguva yekupindura yakataurwa uye kudzokorora. Usafunge kuti mhedzisiro yerabhoritari yakaseferwa ndiyo nzira yekushanda inokurumidza.

Kuti muenzanise kutenga, bvisai nzira yekuyera imwe chete. Tsanangurai chinangwa, daro rekutarisa, kutarisa pamusoro, nguva yekudzikamisa, nguva yekutora, interface yekuburitsa, uye kusefa. Kumbira bvunzo yakaenzana kubva kune mumwe nemumwe mutengesi. Kana zvisingakwanisike kugadzirisa zvakaenzana, tsanangurai musiyano zvakajeka pane kuisa nhamba dzisina chinhu.

Nzwisisa kuti sei zvinhu chaizvo zvichichinja mhedzisiro

Ma sensor mazhinji ekufamba kwenguva pfupi anoshandisa optical triangulation. Iyo receiver inoona nzvimbo yechiedza chinoratidzwa, uye sisitimu yekugadzirisa inotarisa nzvimbo iyoyo kubva kure. Saka mamiriro epamusoro anogona kukanganisa chiyero kunyangwe daro chairo richiramba rakafanana. Mhedzisiro yacho inofanira kuongororwa kuti ione dhizaini chaiyo ye optical uye chikamu chayo.

Nzvimbo yakakwenenzverwa inogona kutungamira chiedza chinobatsira kubva kune chinogashira kana kugadzira kupenya kwakasimba kwe specular. Nzvimbo dzakasviba dzinogona kupa chiedza chisina kudzoserwa. Magadzirirwo anogona kuchinja chiratidzo chinoonekwa sezvo zvinhu zvakasiyana-siyana pamusoro zvichipfuura nepanzvimbo iyi. Pamucheto, nzvimbo yakavhenekerwa inogona kusanganisira urefu huviri. Nzvimbo yakakura inogona kuva neavhareji yeruzivo rwenzvimbo iyo ongororo inotarisira kugadzirisa.

Isa sensor kuitira kuti nzira dzinoburitswa nedzinogamuchirwa dzisavharwe panguva yekufamba kunotarisirwa. Tarisa homwe, mipendero yakasimudzwa, uye zvigadziriso kuti uone kana paine mumvuri wechiedza. Shandisa huwandu chaihwo hwemapedhi epamusoro, kusanganisira shanduko inogamuchirwa yekugadzira. Kuedza sampuro imwe chete inokwezva kunogona kuvanza maitiro ekukundikana anoonekwa mushure mekunge batch inotevera yezvinhu yasvika.

Gadzira bhajeti yekukanganisa kwekuongorora usati wasarudza hardware

Tanga nekushivirirana kwekukwevera uye mhedzisiro yekubvuma kwenhema kana kurambwa kwenhema. Gadzira mupiro wekuyera unobvumidzwa nechikwata chemhando. Chiyero chakagadzika chekuyera-ku-kushivirira chinogona kuva chinangwa chemukati chinobatsira, asi hapana chiyero chimwe chete chinoratidza otomatiki kukodzera kwechigadzirwa chega chega kana nhanho yenjodzi.

Funga nezvemuenzaniso wekutsungirira kukwirira kubva pa9.80 kusvika 10.20 mm, upamhi hwese hwe0.40 mm. Ngatitii bvunzo yemutyairi wendege inogadzira kutsauka kwakajairwa kwe0.006 mm. Kutsauka kutanhatu kwakajairwa kunotora 0.036 mm, kana 9% yehupamhi hwekutsungirira. Uku kuverenga kwekuongorora bvunzo iyoyo yakajairwa, kwete mhedzisiro yekugamuchira geji yakazara. Hazvibatanidzi kudzoserwa panzvimbo, rusaruro, tembiricha, uye mhedzisiro yenguva refu.

Kana mipiro yekusava nechokwadi yakazvimiririra inofungidzirwa se6 μm yeruzha rwesensor, 8 μm yekuisa panzvimbo itsva, uye 4 μm yekutora, root-sum-square yavo ingangoita 10.8 μm. Kuverenga uku kunoshanda chete kana fungidziro dzichienderana uye fungidziro yekuzvimirira ine musoro. Mhedzisiro ine chekuita, bias isina kugadziriswa, uye miganhu yakatarwa inoda kurapwa kwakasiyana; hazvifanirwe kuiswa muchimiro chimwe chete.

Saka hurukuro inobatsira yekutenga inotanga nebhajeti yekushandisa. Kana chigadzirwa chacho chikanyanya kuchinja, sensor inodhura zvikuru inogona kuwedzera kukosha. Kana mhedzisiro yepamusoro ichinyanya kukosha, kuchinja kwejometri kana tekinoroji yekuona kunogona kukosha kupfuura kukosha kudiki kwekudzokorora kwekatalogu.

Simbisa zviyero zvisingachinji uye zvinofamba zvakasiyana

Shandisa nzira inoteverwa kana nzvimbo yakakodzera yekuchinjana kuti utarise nzvimbo dzinozivikanwa. Kusaziva kwenzvimbo kunofanirwa kukodzera sarudzo iri kuitwa. Nyora mamiriro ekunze uye rega sisitimu igadzikane zvichienderana nemugadziri. Chengetedza marongero nedata raw kuitira kuti mhedzisiro idzokororwe mushure mekuisa.

1. Yera ratidziro imwe chete yakagadzika kakawanda kuti uone ruzha rwenguva pfupi.

2. Bvisa wotsiva chikamu chimwe chete kuti uratidze kurodha uye shanduko yezvigadzirwa.

3. Yera zvikamu zvinomirira pakati penzvimbo inodiwa uye magadzirirwo epamusoro.

4. Dzokorora nekumhanya kwekugadzira uchishandisa nzira chaiyo yekukonzera uye yekuwana.

5. Dzokorora mushure mekudziya, kuchinja kwetembiricha, uye kucheneswa kana kugadziriswa kwakajairika.

6. Enzanisa zvabuda nemiganhu yakabvumiranwa uye ongorora kukundikana usati waburitsa.

Huwandu uhu ndihwo hwaro hwekutanga, kwete hukuru hwemuenzaniso hwakagadzwa. Wedzera kufukidzwa zvichienderana nekusiyana kwemaitiro, zvinodiwa zvekuvimba, uye mutengo wesarudzo isiriyo. Kuedza kwenguva pfupi kunogona kuona dambudziko pasina kuratidza kuvimbika kwenguva refu.

Kuenzanisa avhareji ne mutsetse kumhanya

Kuenzanisa pakati pemaavhareji kunogona kuderedza ruzha rusina kurongeka, asi kunogonawo kunonotsa mhedzisiro uye kugadzirisa chimiro chinofanira kuonekwa. Kune masampuli akazvimiririra asina kurongeka, kutsauka kwakajairwa kweavhareji kunoderera ne square root yehuwandu hwemasampuli. Ruzha rwakabatana, kusvetuka zvishoma nezvishoma, uye zvikanganiso zvinoenderana nepamusoro hazvitevedzeri kuvandudzwa ikoko.

Mukuongorora kwekufananidzira kwekufamba, chimiro che5 mm chinofamba pa0.5 m/s chinoramba chiri panzvimbo yekuyera poindi kweinenge 10 ms. Kugadziriswa kwemhinduro ye40 ms kwakareba kupfuura hwindo rekutarisa. Chinhu chacho chinogona kunge chakaderedzwa kana kusanganiswa nenzvimbo yacho. Kugadziriswa nekukurumidza kunogona kudiwa, kuchiteverwa nebvunzo itsva yekudzokorora panzvimbo iyoyo.

Funga nezvekunonoka kwe trigger, nguva yekutarisa controller, updates yekutaurirana, uye chero avhareji yakaitwa muPLC. Sensor display inogona kutaridzika yakagadzikana nepo PLC ichiverenga data rekare kana rakasefetwa zvakasiyana. Ongorora kukosha kwakanyatsoshandiswa pakusarudza kugadzirwa.

Tarisa mitemo yekubatanidzwa uye yekugamuchirwa

Kuti uwane analog interface, simbisa scaling, input resolution, grounding, cable routing, uye loop load. Kuti uwane digital interface, simbisa mayunitsi, register interpretation, update rate, invalid-data handling, uye timeouts. Hapana kana interface inovimbisa otomatiki mhedzisiro yekuongorora iri nani; kuiswa kwakazara kunosarudza mashandiro.

Isa mutemo wekusarudza wakajeka pedyo nemiganhu yakatarwa. Kuyera pedyo nemuganhu kungada bhendi rekuchengetedza, kuyerwazve, kana imwe nzira yekuongorora, zvichienderana nemutemo wekusava nechokwadi uye wemhando wakabvumiranwa. Usavanza kupatsanurwa kusina chokwadi nekudzokorora kuyera kusvika kukosha kunopfuura kwaonekwa.

Kutenga kunogona kushandisa mhuri yechigadzirwa cheLanbao PDA senzira yekuongorora, ukuwo uchikumbira dheti remodhi chaiyo, magadzirirwo ezvinobuda, uye bvunzo yekushandisa. [2] Bvisa sensor chete nerekodhi yekutanga, dhizaini yekumisikidza, faira remagadzirirwo, maitiro ekusimbisa, uye mirairo yekutsiva. Zvinyorwa izvozvo zvinobatsira kuchengetedza mashandiro akasimbiswa mushure mekugadzirisa.

Mareferensi

[1] Lanbao PDA CR50 datasheet uye mamiriro ebvunzo ane hungwaru hwakanyanya muLanbao PDA CR50

[2] Mhuri yechigadzirwa cheLanbao PDA laser displacement sensor uye chinobva mufananidzo

Mibvunzo Inowanzo bvunzwa

Kudzokororwa kwakafanana here nekururama

Kwete. Kudzokorora kunotsanangura kubvumirana pakati pekuverengwa kwakadzokororwa pasi pemamiriro akatsanangurwa. Kururama kune chekuita nekubvumirana nehuwandu huri kuyerwa. Kugadziriswa kwakasimba kunogona kuburitsa kudzokororwa kwakanaka nepo daro rakataurwa richiramba risina kukodzera sarudzo yakakwana yekuongorora.

Kudzokorora kwacho kwakakwana kuti ndiongorore

Sarudza chinodiwa kubva pakushivirira zvikamu, bhajeti risina chokwadi, uye mhedzisiro yekupatsanura zvisirizvo. Simbisa sisitimu yakazara yakaiswa. Kukosha kwekatalogu chete hakugone kugadza muganho wakakodzera wekugamuchirwa kwemaitiro asingazivikanwe.

Sensor ine resolution ye 10 micrometer inogona here kuongorora kutsungirira kwe 10 micrometer?

Kugadziriswa kwega hakutsigire mhedziso iyoyo. Ruzha, rusaruro, kurongeka, mhedzisiro yekupisa, kusiyana kwezvishandiso, uye maitiro ekuwana zvinogona kunge zvakakura kupfuura kuwedzera kunoratidzwa. Kushivirira kunoda kudzidza kwakakodzera kwekugona kuyera.

Sei kuverenga kusina kugadzikana pasimbi inopenya?

Nzvimbo dzinoratidza chiedza dzinogona kuchinja chiedza chinosvika panogamuchira kana kona kana nzvimbo yachinja. Edza kupedzisa chaiko uye geometry. Kona yekumisikidza yakasiyana, kurongeka kwemaziso, kana tekinoroji ye sensor ingangodiwa mushure mekuongorora kwekushandisa.

Avhareji inogara ichivandudza kudzokorora here?

Kuenzanisa kunowanzo deredza kusiyana kwechinhu kusina kurongeka. Hazvibvisi kudonha kana kukanganisa kwakarongeka, uye zvinogona kuderedza kuonekwa kwezvinhu zvipfupi pazvikamu zvinofamba. Enzanisa marongero nekumhanya kunodiwa pakugadzira.

Sensor inofanira kuongororwa kangani

Isa nguva kubva panjodzi yekushanda, kudonha kwakaonekwa, nharaunda, uye nhoroondo yekugadzirisa. Tarisa shanduko mushure mekuisa kana kutsiva sensor. Kuongorora mareferensi panguva dzakatarwa dzekugadzira kunobatsira kuratidza shanduko dzisati dzakanganisa boka guru.

Chii chinofanira kutumirwa kumutengesi kuti chiedzwe zvakanaka

Ipa zvikamu zvinomirira, madhirowa, matenderi, kusiyana kwenzvimbo, zvirambidzo zvekuisa, kumhanya kwemutsetse, ruzivo rwemutongi, uye mutemo wesarudzo waunoda. Kumbira kuyerwa kusati kwagadzirwa uye gadzirisa marongero kuitira kuti kuyedzwa kudzokororwe pamuchina.