Uphando kunye nesikhokelo sophuhliso lwetekhnoloji yokufumanisa i-ultrasonic

I-Ultrasound ngokwayo isifundo sobugcisa

1. Iteknoloji yokufumanisa i-laser ultrasound

Itekhnoloji yokufumanisa i-laser ultrasonic kukusebenzisa i-laser pulsed ukuvelisa i-ultrasonic pulse ukubhaqa i-workpiece. I-laser inokuvuselela amaza e-ultrasonic ngokuvelisa umphumo we-thermal elastic okanye usebenzisa i-intermediary material. Iinzuzo ze-laser ultrasound zibonakaliswa ikakhulu kwimiba emithathu:

(1) Ingaba ukubhaqwa komgama omde, i-laser ultrasound ingaba yipropagation yomgama omde, ukuthotywa kwenkqubo yokusasaza kuncinci;

(2) Uqhagamshelwano olungekho ngqo, aludingi uqhagamshelwano oluthe ngqo okanye lusondele kwi-workpiece, ukhuseleko lokufumanisa luphezulu;

(3) Isisombululo esiphezulu sokubona.

Ngokusekelwe kwiinzuzo ezingentla apha, ukufunyanwa kwe-laser ultrasonic kulungeleke ngokukodwa kwi-real-time kunye nokukhangela kwi-intanethi ye-workpiece kwindawo enzima, kwaye iziphumo zokufumanisa ziboniswa ngokukhawuleza kwe-imaging ye-ultrasonic scanning.

Nangona kunjalo, i-laser ultrasound ikwanazo ezinye izinto ezingeloncedo, njengokubhaqwa kwe-ultrasonic ngesisombululo esiphezulu kodwa uvakalelo oluphantsi. Ngenxa yokuba inkqubo yokufumanisa ibandakanya i-laser kunye ne-ultrasonic inkqubo, inkqubo epheleleyo yokufumanisa i-laser ultrasonic inkulu kumthamo, iyinkimbinkimbi kwisakhiwo kunye neendleko eziphezulu.

Okwangoku, iteknoloji ye-laser ultrasound iphuhla kumacala amabini:

(1) Uphando lwezifundo kwi-laser ultrafast excitation mechanism kunye nentsebenziswano kunye neempawu ezincinci ze-laser kunye ne-microscopic particles;

(2) Ukubeka iliso kwi-Intanethi kwimizi-mveliso.

2.Itekhnoloji yokufumanisa i-electromagnetic ultrasonic

I-Electromagnetic ultrasonic wave (EMAT) kukusetyenziswa kwendlela yokufakelwa kwe-electromagnetic ukuvuselela kunye nokufumana amaza e-ultrasonic. Ukuba umbane ophezulu we-frequency ujikeleziswa kwikhoyili kufuphi nomphezulu wesinyithi esilinganisiweyo, kuya kubakho umbane owenziwe ngokuphindaphindiweyo kwintsimbi elinganisiweyo. Ukuba intsimi yamagnetic eqhubekayo isetyenziswa ngaphandle kwesinyithi esilinganisiweyo, i-current induced iya kuvelisa amandla e-Lorentz ye-frequency efanayo, esebenza kwi-lattice yensimbi elinganisiweyo ukuze iqalise ukungcangcazela kwexesha le-crystal yesakhiwo se-crystal yesinyithi esilinganisiweyo, ukuvuselela amaza e-ultrasonic. .

I-electromagnetic transducer ye-ultrasonic yenziwe nge-high-frequencycoil, intsimi yangaphandle yamagnetic kunye nomqhubi olinganisiweyo. Xa uvavanya i-workpiece, la malungu mathathu athatha inxaxheba kunye ukugqibezela uguqulo lwetekhnoloji engundoqo ye-electromagnetic ultrasound phakathi kombane, umazibuthe kunye nesandi. Ngokuhlengahlengiswa kwesakhiwo sekhoyili kunye nokubeka indawo, okanye ukulungiswa kweeparameters ezibonakalayo ze-coil high-frequency coil, Ukutshintsha imeko yamandla yomqhubi ovavanyiweyo, ngaloo ndlela ukuvelisa iintlobo ezahlukeneyo ze-ultrasound.

3.Itekhnoloji yokufumanisa i-ultrasound edibeneyo yomoya

Itekhnoloji yokufumanisa i-Umoya edityaniswe ne-ultrasonic yindlela entsha yokuvavanya engonakalisiyo ye-ultrasonic enomoya njengendlela yokudibanisa. Iingenelo zale ndlela ayidibanisi, ayichaphazeli, kwaye ayingonakalisi ngokupheleleyo, ukuphepha ukungonakali kokufunyanwa kwe-ultrasound yendabuko. Kwiminyaka yakutshanje, itekhnoloji yokufumanisa i-ultrasonic edibeneyo yomoya isetyenziswe ngokubanzi ekubhaqweni kwesiphene kwizinto ezidibeneyo, ukuvavanywa kokusebenza kwezinto, kunye nokufumanisa ngokuzenzekelayo.

Okwangoku, uphando lwale teknoloji lugxile kakhulu kwiimpawu kunye nethiyori yokudibanisa umoya wokuvuselela intsimi ye-ultrasonic, kunye nophando lobuchule obuphezulu kunye ne-coupling probe yomoya ophantsi. I-COMSOL ye-multi-physical field simulation software isetyenziselwa ukulinganisa kunye nokulinganisa i-air-coupled ultrasonic field, ukwenzela ukuba kuhlalutye ubunjani, ubungakanani kunye nobuphene bokucinga kwimisebenzi ehloliweyo, ephucula ukufumanisa ukusebenza kakuhle kunye nokubonelela ukuhlola okunenzuzo kwisicelo esisebenzayo. ye-non-contact ultrasound.

Uphononongo kwitekhnoloji encediswa yi-ultrasound

Uphando lwethekhnoloji yokuncedisa i-Ultrasound lubhekiselele kuyo ikakhulu ngesiseko sokungatshintshi indlela kunye nomgaqo we-ultrasound, ngesiseko sokusebenzisa ezinye iinkalo zobuchwepheshe (ezifana nokufumana ulwazi kunye nobuchwepheshe bokucubungula, iteknoloji yokuvelisa umfanekiso, iteknoloji yengqondo eyenziweyo, njl. , iteknoloji yamanyathelo okufumanisa i-ultrasonic (ukufumana umqondiso, uhlalutyo lwesignali kunye nokucubungula, ukulinganisa i-defect) ukulungiswa, ukwenzela ukuba ufumane iziphumo ezichanekileyo zokufumanisa.

1.Nerual network techninzululwazi

Inethiwekhi ye-Neural (NNs) yimodeli ye-algorithmic yemathematika elinganisa iimpawu zokuziphatha ze-NN yezilwanyana kwaye yenza ukuhanjiswa kolwazi oluhambelanayo. Inethiwekhi ixhomekeke kubunzima benkqubo kwaye ifezekise injongo yokucubungula ulwazi ngokulungelelanisa ukudibanisa phakathi kwenani elikhulu leendawo.

2.3D ubuchule bokwenza umfanekiso

Njengokhokelo olubalulekileyo lophuhliso lophuhliso lwe-ultrasonic yokufumanisa iteknoloji encedisayo, i-3D imaging (i-Three-Dimensional Imaging) iteknoloji iye yatsala ingqalelo yabaphengululi abaninzi kwiminyaka yamuva. Ngokubonisa umfanekiso we-3D weziphumo, iziphumo zokufumanisa zithe ngqo kwaye zinembile.

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