Uphando malunga nesicwangciso solawulo lwenkqubo ye-CNC esebenza kakuhle esekelwe kuyilo oluvulekileyo uWang Junping, uFan Wen, uWang An, uJing Zhongliang 3 710072, 1 Xi'an: T: ikholeji, iXi'an 710032, uyilo oluvulekileyo lwaseShanghai kwiYunivesithi yaseHaijiao Tong, Thatha "iinxalenye ze-I. kunye nenkqubo ye-CNC" njengesixhobo esidibeneyo kwaye ucinge ngendlela yokuphucula inqanaba lomsebenzi olungileyo. Isicwangciso solawulo lwenkqubo ye-CNC esisebenza kakuhle kakhulu sesakhiwo esivulekileyo a: uyilo oluvulekileyo, ulawulo olusebenzayo kakhulu f Inkqubo ye-CNC 1, inombolo yohlulo olucacileyo kwisicwangciso solawulo, uxwebhu lwe-tp273, inqanaba eliphakathi le-u (19h ―), indoda (uHan s >. KH, waseHeyang County. Wazalelwa eNtshona. Wazalelwa eNtshona. Isixhobo somatshini kunye nenkqubo yaso yolawulo lwamanani ziya phambili. Uphuhliso olukrelekrele kancinci, olukrelekrele noludibeneyo. Umngeni ophambili wenqwaba yobuso kukuqonda ukujonga inkqubo yokwenziwa kwesantya kunye nokuyila umlawuli wenkonzo yevalvu exhasayo. Nangona kunjalo, uphuhliso lwe-Si kunye nokusetyenziswa kwe-transmitter entsha, i-algorithm yokulawula i-servo ephucukileyo kunye nesicwangciso sokulawula inkqubo ziye zachatshazelwa yinkqubo yenkqubo yolawulo yendabuko. Ke ngoko, izazi ezininzi zizimisele ekusekeni uyilo olutsha, oko kukuthi, uyilo oluvulekileyo. Eli phepha ligxile kuyilo oluvulekileyo. Ukuthatha umsebenzi kunye nenkqubo yolawulo lwamanani iyonke, kucingwa ngendlela yokuphucula ukuchaneka kokwenziwa kwemishini, kunye nokubeka phambili isicwangciso sokulinganisa inkqubo yokulawula amanani engasebenziyo kwisakhiwo esivulekileyo. I. intshayelelo emfutshane yoyilo lwenkqubo yokulawula yohlobo lwe-A evulekileyo. Inkqubo yolawulo lwamanani yinkqubo yekhompyutha ekhethekileyo yejusi, esetyenziselwa ulawulo lwentsimi yemizi-mveliso, kodwa yahlukile kwikhompyutha ngokubanzi. Kangangexesha elide, inkqubo yamanani iye yaphuhliswa yaba yinkqubo yayo. Misela isakhiwo sayo sesiqu esithambileyo, usebenzise ubumfihlo bobuchwephesha kunye nokutywinwa kobugcisa, ukuze kube nzima kubavelisi bezixhobo zoomatshini kunye nabasebenzisi bokugqibela ukuqhuba uphuhliso lwesibini, kwaye baphuhlise amandla esixhobo somatshini kunye nenkqubo ye-NC. Xa isixhobo somatshini sokufundisa nokulawula singena kwindawo yokulawula esasazwe kunye nenkqubo yokuvelisa ikholamu eguquguqukayo, kwaye ide ifune unxibelelwano neenkqubo zenethiwekhi eziqhelekileyo ezifana ne-CAD / CAPP / CAM, Ezinye izixhobo ze-CNC ezijolise kwimisebenzi yodwa azanelanga, kwaye iimfuno ezintsha zokuzalisa okusingqongileyo. "Isixhobo siguqulwa ngakumbi sibe yinkqubo ye-CNC evulekileyo."
Uyilo oluvulekileyo i-Yi Trent isebenzisa i-block hierarchical junction HN kwaye ibonelela ngoqhagamshelo oludibeneyo lwesicelo i-P ngeendlela ezahlukeneyo, oluphathekayo.
Ukwanda, ukusebenzisana kunye nokwanda, oko kukuthi, ukuvuleka kwangaphakathi kolwakhiwo lwenkqubo kunye nokuvuleka phakathi kwamacandelo enkqubo. 2. Ngokomgaqo-nkqubo wenkqubo, icebo lokulawula inkqubo ye-CNC yokusebenza kwebhasikithi esekelwe kwisakhiwo esivulekileyo lenziwe ngamacandelo amathathu: isilawuli se-servo, i-multi FFI detector kunye nokudibanisa ulwazi, kunye neprosesa yexabiso ledijithali, njengoko kubonisiwe kwi-KL 1, inkqubo yokucubungula iChendai ixhaswa yinkqubo ye-tantalum. Ngaphambi kokuba amacandelo enkqubo ye-servo adlale indima ebalulekileyo kwi-m ekuchanekeni komsebenzi, uninzi lwamaziko emizi-mveliso axhotyiswe ngeenkqubo ze-servo. Ezi nkqubo ze-servo m zisebenzisa abalawuli bethala leencwadi bendabuko be-home 0 anti, abathandwa ngakumbi ngeemfuno zokuthembeka. Ulawulo lwesantya seklasikhi njengomyalelo womsebenzi alusekho - olu lawulo lokunyakaza oluqinileyo olusebenza kakhulu lubaluleke kakhulu. Injongo yalo kukuqonda ukuba impazamo ye-nominal congruence ikufutshane nomtya wesisombululo se-fi. Ukuze kufezekiswe ukhetho olupheleleyo lwe-europium, njengobunjineli, kusekho iimfazwe ezininzi zepeach. I-FT yeyona sizathu siphambili, ingakumbi kwimeko yokungaqiniseki kokuchongwa okuchasene nokuguquguquka kunye nokungahambelani nomgca-m, yenzelwe umlawuli we-servo wesantya esiphezulu se-a. Xa kusetyenziswa umlawuli we-servo we-bandwidth limited, ukulibaziseka kwe-europium coupling kuba yimbangela ephambili yempazamo yesikhundla, eya kuchaphazela idigri yejometri yesixhobo somsebenzi. Inkqubo ye-flsf kufuneka ibe nentonga yokulungisa i-cesium kunye nentonga yokusebenza. Xa iiparameter zepit yenkqubo eguquguqukayo zitshintsha, ukusebenza kuhle kakhulu. Ezi nethi 1 ziya kuba ngqongqo ngakumbi ngokwanda kwesantya sokutya ngexesha lokutshaya. Xa kuyilwa umlawuli wentshukumo yentonga yokusebenza ephezulu, ezi h rubs kufuneka zisekelwe kwimbuyekezo yokungqubana kwe-zinc feed ecetywayo yiColm kunye neTotnimfca. Ulwakhiwo lolawulo olupheleleyo oludibanisa i-disorder detector, i-anti library control charmer kunye ne-fractionator, oko kukuthi, inkqubo efihliweyo yokusebenza ephezulu (i-DOB) esekelwe kwi-distration detector, i-Disturbance gauge Umlawuli we-feedforward FFI unokwamkela ulawulo lokulinganisa oluchanekileyo. Ukulandelela impazamo yesigaba se-Zero W. Ulawulo oluphindaphindayo lujika ukuphucula ukuchaneka koluhlu, kwaye ulawulo lwempendulo yesikhundla ludla ngokusebenzisa ulawulo lwe-PID. Kwi-nonlinear friction force compensation, iindlela ezisetyenziswa kakhulu zezi: indlela ye-intanethi compensation method esekelwe kumsebenzi we-exponential nonlinear, esekelwe kwindlela ye-Neural network inverse controller compensation, ulawulo oluphindaphindayo oluqinileyo kunye nolawulo lwesakhiwo esiguquguqukayo. Nangona kunjalo, xa iiparameter zenkqubo zitshintsha kakhulu okanye kukho ukukhawulezisa okungaguqukiyo kwindlela yokuhamba, i-DOB ayifanelekanga kakhulu. UYao kunye noTamizuka bacebise indlela entsha yokulawula intshukumo, oko kukuthi ulawulo oluqinileyo oluguquguqukayo. Inkqubo ye-servo yokusebenza kwebhasikithi esekelwe kulawulo oluqinileyo oluguquguqukayo inentsebenzo yokulandelela elungileyo.
Ukufunyanwa kwezinzwa ezininzi kunye nokuhlanganiswa kolwazi ekucutshungulweni kokusebenza kwebhasikithi, iindlela eziqhelekileyo zokuchaneka kokucubungula ibhasikithi ziquka iteknoloji yokuphepha iimpazamo ngokusekelwe ekuchanekeni kwesixhobo somatshini webhasikithi kunye neteknoloji yokuhlawula iimpazamo ngokusekelwe ekususeni impazamo ngokwayo. Injongo yezi ndlela zimbini kukunciphisa impazamo yokwenziwa kwezinto. Eli phepha lithatha i-workpiece kunye nenkqubo ye-NC njengezinto ezidibeneyo, liqwalasela indlela yokuphucula ukuchaneka kokwenziwa kwebhasikithi, kwaye liqhagamshela i-workpiece kunye nenkqubo ye-NC ngokusebenzisa i-Multi-sensor Detection. Xa kuthelekiswa nenkqubo ye-single sensor, inkqubo yokuhlanganiswa kolwazi lwe-multi-sensor ineenzuzo zolwazi oluninzi, ukunyamezela iimpazamo ezilungileyo kunye nokufumana ulwazi olubonakalayo olungenakufunyanwa yi-sensor enye. Inkqubo yokwenziwa kwe-machining yinkqubo eyinkimbinkimbi kakhulu kwaye inokutshintsha, kwaye utshintsho lwendawo, isantya, ubushushu kunye namandla okusika luchaphazela omnye nomnye. Kuphela ngokuqinisa ukuqokelelwa, ukuchongwa kunye nokucutshungulwa kolu lwazi kunye nokufumana idatha ethembekileyo apho lunokulawulwa ngokuchanekileyo. Imiqondiso ehambelanayo ilinganiswa zii-sensor ezahlukeneyo, kwaye emva koko iteknoloji yokuhlanganiswa kolwazi lwe-multi-sensor isetyenziselwa ukuqonda ulwazi lwemeko yokucubungula, ukuze kubonelelwe umlawuli ngolwazi olupheleleyo noluthembekileyo kunye nokuphucula ukuchaneka kokulawula.
Ngenxa yokwanda kwemfuno yesantya kunye nexesha langempela lokucubungula ulwazi lwenkqubo, kunye nophuhliso lweesekethe ezinkulu ezidibeneyo, kukho iitships ezahlukeneyo ze-DSP ezinikezelwe ekucutshungulweni kwesignali yedijithali ngexesha langempela. Xa kuthelekiswa nee-microprocessors zeenjongo eziqhelekileyo, iimpawu zayo eziphambili zezimbini: uninzi lweetships ze-DSP zamkela isakhiwo saseHarvard, oko kukuthi, indawo yokugcina imiyalelo yenkqubo kunye nedatha yahlulwe, kwaye nganye inedilesi yayo kunye nebhasi yedatha, okwenza imiyalelo yokucubungula kunye nedatha ingenziwa ngaxeshanye, nto leyo ephucula kakhulu ukusebenza kakuhle kokucubungula; Xa i-microprocessor yeenjongo ngokubanzi iqhuba umyalelo, ifuna imijikelo emininzi yemiyalelo ukuze iwugqibezele. I-chip ye-DSP isebenzisa iteknoloji yepayipi. Nangona ixesha lokuphumeza umyalelo ngamnye liseyimijikelo emininzi yemiyalelo, ngenxa yokuhamba kwemiyalelo, xa idibene, ixesha lokugqibela lokuphumeza umyalelo ngamnye ligqitywa kumjikelo omnye wemiyalelo.
Kwinkqubo yolawulo lwamanani, iprosesa yesignali yedijithali igqibezela imisebenzi yokufumana idatha, ukuvelisa indlela, ukukhetha icebo lolawulo kunye nokulawula ngexesha langempela.
Isiphelo 3 siqala kwiimfuno zomatshini wokulungisa iibhasikithi, eli phepha lithatha umsebenzi kunye nenkqubo ye-NC njengento edibeneyo ngokusebenzisa ubuchwepheshe bokudibanisa ulwazi lwe-multi-sensor, liqwalasela indlela yokuphucula ukuchaneka komatshini wokulungisa iibhasikithi, kwaye libeka phambili icebo lokulawula inkqubo ye-NC yokusebenza kweebhasikithi ngokusekelwe kwisakhiwo esivulekileyo. Eli cebo likwabalulekile ekulawuleni ezinye izidalwa ezihambayo.
UHuang Jinqing nabanye. Uphuhliso lwenkqubo ye-CNC esebenza kakuhle esekwe kwisakhiwo esivulekileyo. Itekhnoloji yokuvelisa kunye nezixhobo zoomatshini, 1998 (8): 1416, uChen Meihua nabanye. Uphuhliso kunye nokusetyenziswa kwemodeli ekrelekrele kunye netekhnoloji yokuxela kwangaphambili impazamo yoomatshini. Ijenali yeYunnan University of technology, 1998, 14 (3): 69 uLiao Degang. Uphando kunye nemeko yophuhliso lwenkqubo ye-CNC evulekileyo.
Ixesha leposi: Jan-16-2022