Njira Yofufuzira Yamakhalidwe Amphamvu a Hydraulic System

Ndi chitukuko chosalekeza komanso kupita patsogolo kwaukadaulo wa hydraulic, magawo ake ogwiritsira ntchito akuchulukirachulukira. Dongosolo la hydraulic lomwe limagwiritsidwa ntchito pomaliza ntchito zotumizira ndi kuwongolera zikukhala zovuta kwambiri, ndipo zofunikira zapamwamba zimayikidwa patsogolo kuti zitheke kusinthasintha kwake komanso machitidwe osiyanasiyana. Zonsezi zabweretsa zofunikira zenizeni komanso zakuya pakupanga ndi kupanga makina amakono a hydraulic. Ziri kutali ndi kutha kukwaniritsa zofunikira pamwambapa pokhapokha pogwiritsa ntchito ndondomeko yachikhalidwe kuti mutsirize ndondomeko yokonzedweratu ya actuator ndikukwaniritsa zofunikira za machitidwe a static.

Chifukwa chake, kwa ofufuza omwe akupanga mapangidwe amakono a hydraulic system, ndikofunikira kwambiri kuti aphunzire mawonekedwe amphamvu a hydraulic transmission and control system, kumvetsetsa ndikuwongolera mawonekedwe amphamvu ndi kusintha kwa magawo pakugwira ntchito kwa hydraulic system, kuti kupititsa patsogolo komanso kukonza ma hydraulic system. .

1. Chofunikira cha mawonekedwe amphamvu a hydraulic system

Makhalidwe amphamvu a hydraulic system kwenikweni ndi mawonekedwe omwe ma hydraulic system amawonetsa panthawi yomwe akutaya chikhalidwe chake choyambirira ndikufika pagawo latsopano. Komanso, pali zifukwa ziwiri zazikulu zomwe zimaphwanya chikhalidwe choyambirira cha hydraulic system ndikuyambitsa njira yake yosinthira: imodzi imayambitsidwa ndi kusintha kwa njira yotumizira kapena kulamulira; chinacho chimayamba chifukwa cha kusokoneza kwakunja. M'njira yowonjezerekayi, kusintha kulikonse kwa hydraulic system kumasintha ndi nthawi, ndipo machitidwe a kusintha kumeneku amatsimikizira ubwino wa machitidwe amphamvu a dongosolo.

2. Njira yofufuzira ya machitidwe a hydraulic dynamic

Njira zazikulu zophunzirira mawonekedwe osinthika a makina a hydraulic ndi njira yowunikira ntchito, njira yofananira, njira yoyeserera yoyeserera ndi njira yofananira ya digito.

2.1 Njira yowunikira ntchito
Transfer function analysis ndi njira yofufuzira yotengera chiphunzitso cha classical control. Kusanthula machitidwe amphamvu a ma hydraulic systems okhala ndi classical control theory nthawi zambiri amakhala ndi njira imodzi yokha yolowera komanso yotulutsa imodzi. Nthawi zambiri, mawonekedwe a masamu a dongosololi amakhazikitsidwa poyamba, ndipo mawonekedwe ake owonjezera amalembedwa, kenako kusintha kwa Laplace kumachitika, kotero kuti ntchito yosinthira dongosoloyi ipezeke, kenako ntchito yosinthira dongosolo imasinthidwa kukhala Bode. chiwonetsero chazithunzi chomwe ndi chosavuta kusanthula mwachidziwitso. Pomaliza, mawonekedwe amayankhidwe amawunikidwa kudzera pagawo-mafupipafupi curve ndi amplitude-frequency curve mu chithunzi cha Bode. Mukakumana ndi zovuta zopanda mzere, zinthu zake zopanda mzere nthawi zambiri zimanyalanyazidwa kapena kusinthidwa kukhala dongosolo la mzere. M'malo mwake, makina opangira ma hydraulic nthawi zambiri amakhala ndi zovuta zosagwirizana, kotero pali zolakwika zazikulu zowunikira pakuwunika mawonekedwe amphamvu amagetsi a hydraulic ndi njirayi. Kuonjezera apo, njira yowunikira ntchito yosinthira imagwiritsa ntchito chinthu chofufuzira ngati bokosi lakuda, limangoyang'ana pazolowera ndi kutulutsa dongosolo, ndipo silimakambirana za mkati mwa chinthu chofufuzira.

Njira yowunikira malo a boma ndikulemba masamu amtundu wa hydraulic system yomwe ikuphunziridwa ngati state equation, yomwe ndi njira yoyamba yosiyanitsa equation system, yomwe imayimira kutengera koyamba kwamtundu uliwonse wamtundu uliwonse mu hydraulic. dongosolo. Ntchito yamitundu ingapo yamaboma ndi zosintha zolowera; mgwirizano uwu wogwira ntchito ukhoza kukhala wa mzere kapena wopanda mzere. Kulemba chitsanzo cha masamu cha kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka ntchito. state equation, ndi chojambula champhamvu champhamvu chingagwiritsidwenso ntchito kundandalika equation ya boma. Njira yowunikirayi imatchera khutu ku kusintha kwa mkati mwa dongosolo lofufuzidwa, ndipo imatha kuthana ndi zovuta zambiri zolowetsa ndi zotulutsa zambiri, zomwe zimathandizira kwambiri zofooka za njira yowunikira ntchito.

Njira yowunikira ntchito kuphatikiza njira yowunikira ntchito yosinthira ndi njira yowunikira malo a boma ndi maziko a masamu kuti anthu amvetsetse ndikusanthula mawonekedwe amkati amkati a hydraulic system. Njira yofotokozera ntchito imagwiritsidwa ntchito powunikira, kotero zolakwika zowunikira zimachitika mosalephera, ndipo nthawi zambiri zimagwiritsidwa ntchito powunika machitidwe osavuta.

2.2 Njira yoyeserera
Munthawi yomwe ukadaulo wamakompyuta udali usanatchuke, kugwiritsa ntchito makompyuta a analogi kapena mabwalo a analogi kuti ayese ndikusanthula mawonekedwe amphamvu amagetsi amagetsi analinso njira yothandiza komanso yothandiza yofufuzira. Kompyuta ya analogi idabadwa pamaso pa kompyuta ya digito, ndipo mfundo yake ndikuphunzira mawonekedwe a dongosolo la analogi potengera kufanana kwa masamu ofotokozera zakusintha kwa malamulo amitundu yosiyanasiyana. Kusintha kwake kwamkati ndikusintha kwamagetsi kosalekeza, ndipo magwiridwe antchito amtunduwu amatengera kuyanjana kofananira kwa mawonekedwe amagetsi amagetsi, apano, ndi zigawo zomwe zili muderali.

Makompyuta a analogi ndioyenera kwambiri kuthana ndi ma equation wamba, chifukwa chake amatchedwanso ma analogi osiyana siyana. Njira zambiri zosinthira zamakina akuthupi kuphatikiza ma hydraulic system amawonetsedwa mu masamu amitundu yosiyanasiyana, kotero makompyuta a analogi ndi oyenera kwambiri pakufufuza koyerekeza kwamakina amphamvu.

Pamene njira yofananira ikugwira ntchito, zigawo zosiyanasiyana zamakompyuta zimagwirizanitsidwa molingana ndi chitsanzo cha masamu a dongosolo, ndipo mawerengedwe amachitidwa mofanana. Ma voltages otulutsa a gawo lililonse la computing amayimira mitundu yofananira mudongosolo. Ubwino wa ubale. Komabe, cholinga chachikulu cha njira yowunikirayi ndikupereka chitsanzo chamagetsi chomwe chingagwiritsidwe ntchito pa kafukufuku woyesera, m'malo mopeza kusanthula kolondola kwa mavuto a masamu, kotero kuti ali ndi vuto lakupha la kuwerengera kochepa; komanso, dera lake analogi nthawi zambiri zovuta dongosolo, kugonjetsedwa ndi Kukhoza kusokoneza dziko lakunja ndi osauka kwambiri.

2.3 Njira yofufuzira yoyesera
Njira yofufuzira yoyesera ndi njira yofunikira kwambiri yowunikira kuwunika kwamphamvu kwa ma hydraulic system, makamaka ngati palibe njira yowunikira yowunikira monga kuyerekezera kwa digito m'mbuyomu, imatha kuyesedwa ndi njira zoyesera. Kupyolera mu kafukufuku woyesera, tikhoza kumvetsa mwachidziwitso komanso kumvetsetsa makhalidwe amphamvu a hydraulic system ndi kusintha kwa magawo okhudzana, koma kusanthula kwa hydraulic system kupyolera muzoyesera kumakhala ndi zovuta za nthawi yayitali komanso mtengo wapamwamba.

Kuphatikiza apo, pazovuta zama hydraulic system, ngakhale mainjiniya odziwa zambiri sadziwa bwino za masamu ake olondola, kotero ndizosatheka kusanthula kolondola ndikufufuza pamayendedwe ake. Kulondola kwa chitsanzo chomangidwa kungatsimikizidwe bwino pogwiritsa ntchito njira yophatikizira ndi kuyesa, ndipo malingaliro okonzanso angaperekedwe kuti akhazikitse chitsanzo choyenera; nthawi yomweyo, zotsatira za awiriwa akhoza kuyerekezedwa ndi kayeseleledwe kayeseleledwe ndi experimental kafukufuku pansi pa zinthu zofanana Analysis, kuonetsetsa kuti zolakwa kayeseleledwe ndi kuyesera zili mkati controllable osiyanasiyana, kotero kuti kafukufuku mkombero akhoza kufupikitsidwa ndi phindu. zitha kusinthidwa pamaziko owonetsetsa kuti magwiridwe antchito ndi abwino. Chifukwa chake, njira yamasiku ano yoyeserera nthawi zambiri imagwiritsidwa ntchito ngati njira yofunikira yofananira ndikutsimikizira kuyerekezera kwa manambala kapena zotsatira zina za kafukufuku wazinthu zofunikira zama hydraulic system dynamic.

2.4 Njira yoyeserera ya digito
Kupita patsogolo kwa chiphunzitso chamakono chowongolera ndi chitukuko chaukadaulo wamakompyuta kwabweretsa njira yatsopano yophunzirira machitidwe amphamvu a hydraulic system, ndiko kuti, njira yofananira ya digito. Mwa njira iyi, chitsanzo cha masamu cha ndondomeko ya hydraulic system chimakhazikitsidwa poyamba, ndipo chimasonyezedwa ndi equation ya boma, ndiyeno njira yothetsera nthawi yamtundu uliwonse wamtundu uliwonse mu ndondomeko yamphamvu imapezeka pa kompyuta.

Njira yofananira ya digito ndi yoyenera pamakina onse amzere ndi machitidwe osagwirizana. Ikhoza kutsanzira kusintha kwa magawo a dongosolo pansi pa zochitika za ntchito iliyonse yolowetsa, ndiyeno kupeza chidziwitso chachindunji ndi chokwanira cha kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kakenimwebundumwebumwemwe | Kuchita kwamphamvu kwa ma hydraulic system kumatha kunenedweratu pagawo loyamba, kotero kuti zotsatira zapangidwe zitha kufananizidwa, kutsimikiziridwa ndi kuwongolera nthawi, zomwe zitha kutsimikizira kuti dongosolo la hydraulic lopangidwa limakhala ndi ntchito yabwino komanso yodalirika kwambiri. Poyerekeza ndi njira zina ndi njira zophunzirira ma hydraulic dynamic performance, ukadaulo wofananira wa digito uli ndi zabwino zake zolondola, kudalirika, kusinthika kwamphamvu, kuzungulira kwakanthawi komanso kusunga ndalama. Chifukwa chake, njira yofananira ya digito yakhala ikugwiritsidwa ntchito kwambiri pofufuza kafukufuku wa hydraulic dynamic performance.

3. Kupititsa patsogolo njira zofufuzira zama hydraulic dynamic properties

Kupyolera mu kusanthula kwamalingaliro kwa njira yofananira ya digito, kuphatikiza njira yofufuzira yofananira ndikutsimikizira zotsatira zoyeserera, yakhala njira yayikulu yophunzirira mawonekedwe a hydraulic dynamic. Kuphatikiza apo, chifukwa chapamwamba kwaukadaulo waukadaulo wofananira wa digito, kutukuka kwa kafukufuku wama hydraulic dynamic dynamic kulumikizidwa kwambiri ndi chitukuko chaukadaulo waukadaulo woyerekeza. Kuphunzira mozama chiphunzitso chachitsanzo ndi ma aligorivimu okhudzana ndi ma hydraulic system, komanso kupanga mapulogalamu a hydraulic system simulation omwe ndi osavuta kutengera, kotero kuti akatswiri opanga ma hydraulic amatha kugwiritsa ntchito mphamvu zambiri pakufufuza ntchito yofunikira ya hydraulic system. Kukula kwa gawo la kafukufuku wamakhalidwe a hydraulic dynamic. imodzi mwa njira.

Kuonjezera apo, poganizira zovuta za mapangidwe amakono a hydraulic systems, mawotchi, magetsi komanso ngakhale pneumatic nthawi zambiri amakhudzidwa pophunzira makhalidwe awo amphamvu. Zitha kuwoneka kuti kusanthula kwamphamvu kwa ma hydraulic system nthawi zina kumasanthula mwatsatanetsatane mavuto monga ma electromechanical hydraulics. Chifukwa chake, kupanga pulogalamu yapadziko lonse lapansi ya hydraulic kayeseleledwe kachitidwe, kuphatikizika ndi maubwino a pulogalamu yofananira m'magawo osiyanasiyana ofufuza, kuti akwaniritse kayeseleledwe kamitundu yambiri yama hydraulic system kwakhala njira yayikulu yoyendetsera njira yofufuzira yaposachedwa ya hydraulic dynamic character.

Ndi kusintha kwa magwiridwe antchito a dongosolo lamakono la hydraulic, ma hydraulic system achikhalidwe kuti amalize kuwongolera koyambira kwa actuator ndikukwaniritsa zofunikira za dongosololi sangathenso kukwaniritsa zofunikira, chifukwa chake ndikofunikira kuphunzira mawonekedwe amphamvu amagetsi. dongosolo la hydraulic.

Pamaziko ofotokozera tanthauzo la kafukufukuyu pamayendedwe amphamvu a hydraulic system, pepalali limafotokoza mwatsatanetsatane njira zinayi zazikulu zophunzirira mawonekedwe amphamvu a hydraulic system, kuphatikiza njira yowunikira ntchito, njira yoyeserera, kafukufuku woyeserera. njira ndi kayeseleledwe digito njira, ndi ubwino ndi kuipa. Zanenedwa kuti kupanga mapulogalamu a hydraulic system simulation omwe ndi osavuta kutsanzira komanso kufananiza kophatikizana kwa mapulogalamu amitundu yambiri ndi njira zazikuluzikulu zopangira kafukufuku wazinthu zama hydraulic dynamic mtsogolo.