Ukugcwaliseka kokuhlonza okuku-inthanethi kwe-ganggue yamalahle kanye nomklamo we-multihead weigher ngokusekelwe kubuchwepheshe obushunyekiwe kanye ne-fieldbus

Umbhali: Smartweigh–I-Multihead Weighter

Isandulelo Ngomkhuba wokuthuthukiswa oqhubekayo wezinhlelo ezishumekiwe, i-ARM microprocessor ye-32-bit system RISC processing chip esebenza kahle kakhulu, ukusetshenziswa kwamandla kanye nenani eliphansi kukhombisa inkambiso yokuthuthuka eqinile. Izinzuzo zalokhu kokubili zihlinzeka ngohlelo olusha loguquko lobuchwepheshe bendabuko bokulungiselela amalahle. Ukuhlanganisa isistimu eshumekiwe kanye nobuchwepheshe bokusebenza kwekhompyutha, ukuhlonza okusha okuku-inthanethi kwezigaxa zamalahle kanye ne-ganggue yamalahle kanye ne-othomathikhi ye-multihead weigher yakhelwe. Umdwebo wohlaka oluyisisekelo lokuhlonza okuku-inthanethi kwezigaxa zamalahle kanye ne-ganggue yamalahle kanye ne-multihead weigher ezenzakalelayo ngokugcwele iboniswa kuMfanekiso 1.

Ngokwemithethonqubo yenqubo yokulungiselela amalahle, isofthiwe yalolu hlelo ngokuyinhloko iqukethe izingxenye ezintathu ezinkulu ezilandelayo: (1) Ingxenye yokuhlola: Iqukethe umgqomo wokuphakelayo, ibhande lokuthutha, ikhamera yokuqapha ye-CCD, isekethe yokuphakelwa kwamandla eqoqwe idatha yesithombe, njll. Amalahle ahlanzekile ambiwayo ngokuvamile aqukethe i-ganggue yamalahle, futhi i-ganggue yamalahle kufanele ikhethwe ebhandeni lokuthutha. Ikhamera yokuqapha ye-CCD ithumela izithombe zamalahle namalahle e-ganggue ekuqoqweni kwedatha yesekethe kagesi ukuze iguqulwe, futhi okuqukethwe kokwaziswa okuguquliwe kuthunyelwa ku-microprocessor ye-ARM, edluliselwa ku-PC ngokuya nge-CAN yebhasi ye-Inthanethi ukuze ixazululwe.

(2) Ingxenye yokuhlonza kanye nokukhohlisa: Yakhiwe ngekhompuyutha kagesi, i-microprocessor ye-ARM kanye nemishini yokulinganisa nokulawula ubuchwepheshe kanye nemishini. Iwukhiye wayo yonke isoftware yesistimu. Okuqukethwe komlotha wamalahle kanye ne-ganggue yamalahle kubalwa ngokuya nge-algorithm ye-computer optimization. Ngemuva kokuthi i-microprocessor ye-ARM ihlonze futhi ihlukanise izitini zamalahle, isimo sokusebenza siyenziwa. Uma kukhonjwa njengamalahle, futhi ukusebenza kungasebenzi ngokwengxenye, amalahle ahlanzekile azowela emgodini wamalahle futhi ahanjiswe aphume esiteshini sokuphepha sebhulokhi yamalahle.

Uma ikhonjwa njenge-coal gangue, isignali yedatha yokulawula izothunyelwa, futhi i-valve yesango izovulwa, ukuze i-ganggue yamalahle iwele esiteshini sokuphepha samalahle. (3) Inhlangano yokuhlunga ecacile: Yakhiwe nge-valve yesango, ibhakede lempahla eluhlaza kanye nemishini yokusabalalisa amandla esofthiwe yesistimu, njll. Ngokusho kwe-CAN yebhasi ye-Inthanethi, ukuhlolwa okuzenzakalelayo nokuthuthwa kwamalahle namalahle e-ganggue eziteshini eziningana eziphephile kuyenziwa. Ukwethulwa okuningiliziwe kokucubungula i-chip AT91M40800AT91M40800 iyi-chip yokucubungula esebenza ngezindleko eziphakeme kumikhiqizo yochungechunge lwe-ATMEL ye-16-bit/32-bit microprocessor esekelwe kumongo we-ARM7TDMI. Isihluthulelo uhlelo lwe-32-bit olusebenza kahle kakhulu lwe-RISC (I-Reduced Intro-duction Set Set Computer) yokwakheka kwesistimu, futhi inohlelo lweziyalezo lwe-16-bit (isithupha).

Ngokwesokhethi yebhasi yesistimu yangaphandle (i-EBI) yesilawuli esihlelekayo, ixhunywa ngokushesha ezinhlobonhlobo zezinkumbulo ezingaphandle kwe-chip ezihlanganisa i-FLASH. Amabhodi okulawula ama-vector abalulekile ayisishiyagalombili kanye namabhodi okulawula ulwazi lwedatha yenkundla ye-chip athuthukisa kakhulu ukusebenza kwesikhathi sangempela kwezingxenye. isici. I-AT91M40800 ihlanganisa i-ARM7DMIARMThumbCPU core, ihlinzeka nge-9kB on-chip SRAM, imigqa ekhethiwe ye-chip eyisishiyagalombili, izimbobo ze-I/O zesilawuli esihlelekayo ezingama-32, kanye nebhasi lesistimu engu-8-bit noma engu-16-bit yesilawuli esihlelekayo seselula. Imodi elungisekayo Isikhala sangaphakathi esingu-64MB, ama-USART angu-2, i-USART ngayinye ineziteshi ezimbili ezizinikezele zebhodi lokulawula imininingwane yedatha yenkundla, i-watchdog yesilawuli esihlelekayo esakhelwe ngaphakathi, isibali sikhathi esingu-1, okuyisishiyagalombili okubalulekile, kungaba ibhodi lokulawula ukunqanyulwa kwe-Vector ye-Masked space, 4 ukukhohlisa kwangaphandle izinkumbulo, iziphazamiso zangaphandle ezi-4 ezihlanganisa okubaluleke kakhulu, isicelo sokuphazamiseka kokubambezeleka okuphansi, okokufaka kwewashi ledijithali oku-3 kwangaphandle, iziteshi ezi-3 ezivikelekile ze-16-bit timer/ikhawuntari ye-electronics. I-SJA1000 kumele ibe nokuphathwa okujwayelekile kanye nokuphathwa kwezinsiza zolwazi ngoba kunebanga elithile phakathi kwegceke lamalahle, intaba yamalahle kanye neshabhu yokukhiqiza yokuhlola.

Ubuchwepheshe besixhumi esibonakalayo sekhompiyutha bungaguqula amasistimu okulinganisa anembile nokulawula ahlukene futhi ahlukaniselwe ezindaweni abe ama-node, futhi asebenzise ibhasi lesistimu njengebhuloho ukuwahlanganisa abe uhlelo lokufaka isicelo kanye nohlelo lokulawula oluzenzakalelayo olungakwazi ukuxhumana nomunye futhi lushintshisane ngokuqukethwe kolwazi futhi lusebenzisane. ndawonye emisebenzini yansuku zonke yesistimu yokulawula okuzenzakalelayo. . Isivinini esikhulu sokuxhumana se-CAN singu-1Mbps, ibanga lokudlulisela elisheshayo lifinyelela ku-10km (ijubane lingaphansi kuka-8kbps), futhi kungaxhunywa imishini nemishini engu-110, engenza ukuhlola okuningi okwengeziwe nemisebenzi yansuku zonke. I-SJA1000 iyibhodi elizimele lokulawula ibhasi le-CAN elakhiwe ngabakwaPhilips, elisetshenziselwa amanethiwekhi endawo angenantambo wamabhodi okulawula ezimotweni nasezimo ezijwayelekile zokukhiqiza izimboni. Imodi yokusebenza (imodi ye-PeliCAN) ingaxhunywa kalula nama-CPU ahlukene ukwenza i-inthanethi yokusebenza kwe-CAN.

I-Hardware configuration communication interface design scheme EPM7128 isetshenziselwa ukuguqulwa nokucushwa kwamasignali wedatha phakathi kwamasokhethi. Okokufaka kwe-EPM7128 kuvela kusiginali yedatha yokukhetha i-chip NCS2 ye-AT91M40800, ulayini wokushaja weselula D0~D7, ikheli elinemininingwane A0~A1, isignali efundiwe ye-NRD, ukubhala Isignali yedatha ye-NWE nesiginali yedatha yokulinganisa isofthiwe ye-RST. baye bathola isisombululo sangaphakathi esinengqondo nesiphelele, okuholele esignali yedatha yesenzo edingwa yi-SJA1000. Ngokokulawulwa kolayini wamandla we-chip ngayinye ecubungulayo kanye nokwabelwa kwekheli lembobo, ingabhalwa njengobudlelwano bokulandelana okunengqondo okokufaka/okukhiphayo kwe-transceiver yebhasi ye-CAN kanje: CAN=NCS2·A0CANALE=NCS2•A0•(NRD+NWE) CANRD=NRDCANWR=NWECANRST=NCS2+RST Inombolo yechweba enemininingwane yekheli ye-SJA1000 ekhethiwe ithi 400000H, ikheli elinemininingwane yenombolo yembobo yolwazi ngu-400001H kanye nekheli lembobo yokulinganisa ngu-400002H. Ngenxa yokuthi imininingwane yedatha yekheli enemininingwane yebhodi lokulawula le-CAN i-SJA1000 i-multiplex, isignali yedatha yekheli enemininingwane ebhasini lesistimu ingaxhunywa ngokuya konqenqema oluwayo lwesignali yedatha ye-ALE.

Kodwa-ke, ibhasi lekheli kanye nebhasi lesistimu ye-AT91M40800 yethulwa ngokuzimela futhi ayikwazi ukuxhunywa ebhasini lesistimu yamakheli enemininingwane ye-SJA1000 ngokushesha. Ngakho-ke, ukuze ubhekane nenkinga yesokhethi ye-SJA1000 ne-AT91M40800, ukhiye yindlela yokuthumela isignali yedatha edingekayo ukuze uphequlule i-SJA1000 kuyo. Indlela ekhethwe lapha ukwenza umsebenzi we-I/O wangempela izikhathi ezi-2. Ngokokuqala ngqa, inani lekheli elinemininingwane lithunyelwa enombolweni enemininingwane yechweba elithi 400000H njengekheli elinemininingwane yemojula ye-SJA1000.

Ngalesi sikhathi, ukukhethwa kwe-chip akukhethiwe, futhi imininingwane yedatha ixhunywe kubhasi lohlelo lwe-AD0-AD7. Lapho uphequlula inombolo yembobo yedatha engu-400001H okwesibili, i-SJA1000 iyakhethwa, futhi inani lokuqala elinemininingwane yekheli lilayishwa ku-SJA1000 ngaphansi komsebenzi wesignali yedatha ye-ALE, futhi i-CPU yenza umsebenzi wangempela wokufunda/ubhale ku-SJA1000. Ukulinganisa kungahlukaniswa ngokulinganisa kwesofthiwe yesistimu kanye nokulinganiswa kokugeleza kohlelo.

Isignali yedatha yokulinganisa yesofthiwe yesistimu ye-RST kanye nesignali yedatha yokulinganisa ukugeleza kohlelo yenza umsebenzi onengqondo noma ongokoqobo ku-EPM7128, noma yikuphi okungenza i-SJA1000 ukulinganisa okuthembekile. Ukuze uqinisekise kangcono ukwethembeka kokuxhumana kwedatha, xhuma i-120Ω idivayisi yetheminali ebonisa indawo ekhanyayo kudivayisi ngayinye yetheminali yebhasi ye-CAN ukuze wenze ukumelana nokufanisa ibhasi lesistimu. Iphinikhodi ye-TX1 ye-SJA1000 isekelwe ngokuvumelana ne-resistor engu-10k8, futhi isignali ye-pulse yephinikhodi ye-RX1 kufanele igcinwe ngaphezu kuka-0.9Vcc.

Uma kungenjalo, isignali ye-pulse enengqondo edingwa ibhasi le-CAN ayikwazi ukukhiqizwa. Uma ibanga lokuxhumana lilifushane futhi ithonya lendawo yemvelo lincane, isifunda samandla okuvikela i-optical 6N137 singashiywa. Ngalesi sikhathi, i-VREF ye-82C251 ingaxhunywa kuphinikhodi ye-RX1 ngokushesha, ngaleyo ndlela kube lula ukujikeleza kwamandla. Ukuxhumana kwedatha phakathi kwe-microprocessor ye-ARM nebhasi le-CAN AT91M40800 kuphequlula amasiginali wedatha yememori engaphandle kwe-chip kanye nezingxenye zangaphandle ngokuya ngesokhethi yebhasi yesistimu (EBI). I-EBI isebenzisa izivumelwano zokuphequlula ezihlukene, ezingaqedela umjikelezo owodwa wezingxenye zangaphandle. Ukuphequlula isikhathi, ukulungiselelwa kwe-EBI kuhlelo lokuklama yilokhu: (1) khetha ibhasi lesistimu engu-8-bit; (2) khetha iphrothokholi yokufunda ecacisiwe; (3) khetha isikhathi sokulinda somjikelezo oyisishiyagalombili; (4) khetha umugqa we-chip NCS2 Ikheli elinemininingwane eyisisekelo ngu-400000H.

Lonke uhlelo lokugeleza lubhalwe ngolimi C lomtapo wezincwadi we-AT91, onezinzuzo zokufunda okuqinile, kulula kakhulu ukufakelwa kabusha, ukuthuthukiswa okulula nokuklama, kanye nokulungisa okulula. Ukusetha kabusha okufanele kuyisisekelo sokusebenza okuvamile kokugeleza kohlelo. Ukusetha kabusha isofthiwe yesistimu ngokuyinhloko ukusetha kabusha i-AT91M40800 microcontroller kanye ne-SJA1000 (SJA1000 yokusebenza i-crystal oscillator circuit 16M). Izinyathelo zokusetha kabusha ziboniswa kuMfanekiso 3. Imiphumela Ukuhlonza okuku-inthanethi kanye nesisindo se-multihead esizenzakalelayo sezitini zamalahle enziwe nge-AT91M40800 chip ye-ARM microprocessor kanye nebhodi lokulawula ibhasi le-CAN SJA1000 likhethiwe. Uma kuqhathaniswa ne-inthanethi yebhasi ye-CAN evamile esetshenziswa yi-MCU, iyinoveli yebhasi le-CAN. isistimu esebenzayo.

Isofthiwe yesistimu yesixazululo esekelwe kusistimu yokusebenza egxilile ye-ARM microprocessor kanye nebhasi le-CAN likwazi ukwenza kahle kakhulu, ukwethembeka kanye nekhono lokuxhumanisa, elihlinzeka ngendlela entsha yobuchwepheshe bokulungiselela amalahle obuphelelwe yisikhathi.

Umbhali: Smartweigh–I-Multihead Weighter Manufacturers

Umbhali: Smartweigh–Linear Weighter

Umbhali: Smartweigh–Umshini Wokupakisha We-Linear Weigher

Umbhali: Smartweigh–I-Multihead Weighter Packing Machine

Umbhali: Smartweigh–I-tray Denester

Umbhali: Smartweigh–Umshini Wokupakisha we-Clamshell

Umbhali: Smartweigh–Inhlanganisela Weighter

Umbhali: Smartweigh–Umshini Wokupakisha we-Doypack

Umbhali: Smartweigh–Umshini Wokupakisha Wezikhwama Owenziwe Ngaphambili

Umbhali: Smartweigh–Umshini wokupakisha ojikelezayo

Umbhali: Smartweigh–Umshini Wokupakisha Ome mpo

Umbhali: Smartweigh–Umshini Wokupakisha we-VFFS