Linear Vibration: elarfin abubuwan da aka gyara a cikin tsarin yana batun dokar ta kama doka, kuma karfin gwiwa ya haifar da lokacin motsi ya zama daidai gwargwado (lokacin haifar da daidaitattun abubuwan gudu).
ra'ayi
Tsarin layi yawanci samfurin ne na rawar jiki na tsarin gaske tsarin: Wancan shine, idan amsar tsarin yanar gizo x2, kuma y2 a karkashin aikin shigarwar X2, da kuma y2 a karkashin aikin shigarwar X2, Sannan amsar tsarin a karkashin aikin shigarwar X1 da X2 shine y1 + y2.
Dangane da ka'idodi na zamani, ana iya ba da izinin shigarwar da sabani zuwa cikin jerin abubuwan da ke cikin Infinitesigimal, sannan kuma za a iya samun amsoshin tsarin Harmonic na wani lokaci na lokaci-lokaci. Jerin abubuwan haɗin kai na Harmonic ta hanyar canzawa, da tasirin kowane kayan haɗin kai akan tsarin za a iya bincika na dabam dabam dabam dabam dabam dabam, amsar halayen layi Tsarin abubuwa tare da sigogi na yau da kullun za a iya bayyana ta hanyar amsawa ko amsawar mita.
Amsar da aka yiwa alama tana nufin amsar tsarin zuwa ga naúrar ta zama, wanda ke nuna halayen amsawa na tsarin zuwa tsarin Harmonic Ept.The tsakanin su naúrar Harmonic ta hanyar canjin canji.
rarrabuwa
Linear Vibration Za a iya rarraba shi zuwa layin da ya yi rawar jiki da tsarin 'yanci da kuma rawar jiki na tsarin' yanci.
(1) Tsarin da aka yi wa tsararren tsari na 'yanci wanda matsayin da aka ƙaddara ta wurin da aka ƙaddara shi ta hanyar da yawa ra'ayi da halaye masu sauƙi za'a iya samu.it ya haɗa da masu sauƙi Harmonic vibration, rawar jiki kyauta, rawar jiki da kuma tilasta rawar jiki.
Mahimmancin tashin hankali mai sauƙi: Ranar daidaituwa na wani abu a cikin kusanci da matsayinsa na daidaitawa a ƙarƙashin aikin maido da maido da ƙarfinsa.
Dambar da tsawa: tsokaci wanda aka fara amfani da amplitude da kasancewar tashin hankali da kuma juriya ko kuma wasu yawan makamashi.
Tilasta rawar jiki: rawar jiki na tsarin a ƙarƙashin rashin tausayi.
(2) The layin da aka yiwa tsarin yanci na digiri na 'yanci shine rawar jiki na tsarin' yanci da n manyan modes.ysewararrawa Za'a iya wakilta tsarin a matsayin kewayon manyan hanyoyi.Toen, ana amfani da hanyar babban yanayin hanyar sake amfani da ƙididdigar da yawa na dod Systems.in, Matsayi da nazarin halaye na tsarin ya zama mataki na yau da kullun na tsarin mitar Aikin ma'aunin mita tsakanin kowane shigar da fitarwa, ana gina matrix mitar matrix.The tabbataccen dangantaka da babban yanayin.The Tsarin-mita na tsarin 'yanci ya bambanta da na tsarin' yanci guda ɗaya.
Linear rawar jiki na tsarin 'yanci
Wani matsayi na layi wanda za'a iya tantance matsayin da aka tsara ta hanyar daidaitawa da tsari .
HARDIC VIBRERS
A karkashin aikin maido da karfi ga ficewa zuwa garo, abin da ya kuduri a cikin yanayin sinusoidal kusa da matsayinsa na sinusoidal (Fig.) .X yana wakiltar ƙaura kuma t yana wakiltar lokacin. Bayanin ilmin lissafi na wannan rawar jiki shine:
(1)Inda matsakaicin darajar gudun hijira X, wanda ake kira Addwararrun kusurwar; Omega n shine ingantaccen mizuwa, ko miji na rauni; wannan ana kiranta farkon lokaci.in Sharuɗɗan F = N / 2, yawan oscillation a sakan na biyu ana kiranta mitar; bakin wannan, 1 / f, shine Lokacin da yake ɗauka don Oscillate ɗaya sake zagayowar, kuma wannan ana kiranta lokaci.pamlitude a, Fita, farkon lokacin, simparshen sashi, wanda aka santa ne azaman sahihancin tashin hankali guda uku.
Fig. 1 Maɗaukaki mai ɗaukar hoto
Kamar yadda aka nuna a cikin siffa. 2, mai sauƙaƙar da aka dace da Arzonic Oscillator an kafa ta hanyar mai da hankali masara da mai da hankali m Spring.Wirenwar ƙaƙƙarfan gudun hijira ne daga matsayin daidaitawa, daidaituwa ta yi:
A ina ne taurin bazara na bazara. Mafita na bayani ga daidaituwa na sama shine (1) .a kuma za'a iya tantance shi ta farkon matsayin X0:
Amma omega n ne kawai ta hanyar halaye na tsarin da kanta m da k, mai zaman kanta da ƙarin yanayin farko, don haka Omega N kuma aka sani da mita na halitta.
Fig. 2 Single Single of Tsarin 'Yanci
Don mai sauƙin jituwa mai sauƙi, jimlar makamashi na cizon sauro da ƙarfin ƙarfinsa yana da akai, wannan shine, ana canzawa da ƙarfin makamashi da kuma ƙarfin rawar jiki a koyaushe ana canza su cikin juna.
Damping vibration
A hankali ne wanda amplitude yana fama da rikici da kuma sauran ƙananan ƙarfin ƙarfin gwiwa Damping madaidaicin.Zaka iya haka, daidaituwa ta tsayin daka a kan yanci tare da Damping Linear za a iya rubuta As:
(2)A ina ne, m = c / 2m ana kiranta siga na yanayi, kuma.The bayani na bayani (2) za'a iya rubuta:
(3)Ana amfani da dangantakar lamba tsakanin Omega N da PI guda uku masu zuwa:
N> (a cikin yanayin karamin busheping) barbashi da aka samar da matsanancin rawar jiki, daidaituwa ta vibration shine:
Amplitude yana raguwa da lokaci gwargwadon shari'ar da aka nuna a lissafin, kamar yadda aka nuna a cikin layin da aka nuna a cikin Fig. 3. Duk da haka magana ne, wannan rawar jiki na zahiri ne, amma yawan ganyen sa za'a iya bayyana su.
Ana kiranta raguwar rage ragi, Ina lokacin rawar jiki.Bousthe Dance Dance Dance Dance (amllitude) Logarithm date logarithm Ana iya lissafin gwajin gwaji da, ta amfani da tsari na sama ana iya lissafta c.
A wannan lokacin, maganin daidaituwa (2) za a iya rubuta:
Tare da shugabanci na gudu na farko, ana iya raba shi zuwa lokuta uku da ba a taɓa saiti ba kamar yadda aka nuna a cikin siffa. 4.
N <(a cikin yanayin manyan damping), mafita ga daidaitawa (2) an nuna shi a daidai (3) .at wannan batun, tsarin ba zai gushe ba.
Tilasta rawar jiki
Muryar wani tsari a karkashin kullun bincike.VIbration galibi suna bincika martani na tsarin tunani Amsar tsarin a kowane mai fama da ramuwar halayen yara. Ana iya rubuta tsarin:
Amsar ita ce jimlar sassa biyu. Bangare daya shine amsawar girgizawa, wanda ya lalace cikin sauri tare da lokaci.Ta amsa wani bangare na tilasta girgiza za'a iya rubuta:
Fig. 3 Dimped Vibring Curve
Fig. 4 curves na farko yanayin farko tare da m damping
Rubuta a cikin
H / F0 = H (), shine rabo daga amplitude amplitude don bikin halaye da kuma rashin daidaituwa na amplitude da mita, dangantakar mizani na mizani, dangantakar daidaitawa ta asali. Ana nuna cirinta mai ban sha'awa a cikin siffa. 5 da Fig. 6.
Kamar yadda za a iya gani daga wasan amplitude-mito (Fig.), A yanayin ƙarami, da mitar-mitar da ƙwarewa, mitar da yake da ƙuruciya shine da ake kira mitar tsarin alamomin.in a kananan damping, maimaitawa ba ya banbanta da mita na halitta.Bhenarfin Sauƙaƙe na kusa da mita na halitta, amplitude yana ƙaruwa sosai. Wannan sabon abu ana kiransa Reonance.at Resonance, an tabbatar da riba ta tsarin, to, a gaba daya, a koyaushe, a koyaushe, a koyaushe, a koyaushe, a koyaushe yi amfani da rixpance don cimma babban rawar jiki.
Fig. 5 amllitude mita
Za a iya gani daga sauyawa sau 6 (Hoto na 6), ba tare da la'akari da girman bambance-bambancen yanayi ba, a Omega Zero Zero da ake amfani da shi a cikin tsayarwar auna.
Baya ga tsayayyen numfashi, tsarin wasu lokuta ana samun damar yin hankali da hankali cikin iri .. Za a iya haɗe da hankali cikin zurfin tunani: Na biyu sakamako tasirin haƙuri, amsawar tsarin ba shi da matsala.
Kayan aiki mai ƙarfi don nazarin rawar jiki na rashin ƙarfi shine hanyar amsawa.i Ana bayyana aiki sau da yawa kamar:
Inda 0- yana wakiltar batun a kan T-Axis wanda ke gabatowa sifili daga hagu; 0 ƙari ne ma'anar da ke zuwa 0 daga dama.
Fig. 6 Kaya Mita
Fig. 7 Duk wani shigar da za'a iya la'akari dashi azaman jimlar abubuwan da ke haifar da abubuwa
Tsarin ya dace da amsar H (t) ya haifar da naúrar ta hanyar t = 0, wanda ake kira tsarin da aka yiwa bugun jini kafin lokacin bugun jini .k (t) = 0 Maganar da ke ba da amsa ta tsarin, zamu iya nemo amsar tsarin zuwa kowane shigarwar X (t) .at wannan batun, zaku iya tunanin x (t) kamar yadda adadin abubuwan da ke haifar da abubuwa (Fig. 7) .The amsar tsarin shine:
Dangane da ƙa'idodin SustPosition, jimlar amsa tsarin ya dace da X (t) shine:
Wannan haɗin gwiwar ana kiranta ƙimar tabbatarwa ko kuma mahimmancin superposition.
Linear rawar jiki na tsarin 'yanci na digiri
Muryar tsarin layi tare da digiri na ruwa na NOT2.
Hoto na 8 yana nuna sauƙaƙan kuɗi biyu masu sauƙi waɗanda aka haɗa ta hanyar bazara. Ana buƙatar tsarin 'yanci biyu na' yanci biyu a cikin wannan tsarin:
Kowane mitar da ya dace da yanayin rawar jiki.She HARMMMoniusly yana fitar da Harmonic oscillation da isa ga matsanancin matsayi.in daidai yake da X2; a Babban rawar jiki da ya dace da Omega Omega Biyu, Omega Omega One.in Babban rawar jiki, ana kiran matsayin gudun hijira a kowane taro yana kiyaye wani alaka da kuma samar da wani babban yanayi ko kuma yanayin halitta.Tarancin ya kasance tsakanin manyan hanyoyin, wanda ke nuna 'yancin kowane rawar jiki. Mitar halitta da kuma yanayin babban yanayin yana wakiltar halayen rigakafin matakan 'yanci na' yanci.
Fig. 8 tsarin tare da Digrees da yawa na 'yanci
Tsarin n digo na 'yanci yana da mitar halitta kuma n manyan modes.yseailyara hanyar haɗin kai na mahimmin hanyoyin. -Dof tsarinment.in wannan hanyar, gwargwado da nazarin halaye na tsarin ya zama mataki na yau da kullun a cikin tsauraran tsarin.
Hakanan za'a iya bayanin halayen abubuwa masu yawa da yawa suna iya bayyana tsarin mita tsakanin kowane shigar da fitarwa na tsarin 'yanci na' yanci ya bambanta daga wannan tsarin 'yancin' cikin 'yanci.
Elastomer ya lalata
Da yawa - digiri na 'yanci na' yanci ne mai ma'ana na 'Yanci, amma elastere mai mahimmanci ne mai mahimmanci na dabi'un halitta. wani adadin iyaka na daidaitattun hanyoyi, kuma akwai orthogonialiafa tsakanin hanyoyin taro da taurin kai.y na haifar da hakan na Hakanan za'a iya wakilta Elastomer azaman manyan hanyoyin layi na manyan hanyoyin.
Theauki rawar jiki na kirtani.let yana cewa ƙarshen bakin ciki na taro na bakin ciki, tsawon lokaci, da tashin hankali shine t.at a wannan lokacin, mitar ta dabi'ar ta tabbata a wannan lokacin daidaituwa:
F = na / 2l (n = 1,2,3 ...).
A ina, shine yaduwar igiyar ruwa na madaukai Irin wannan hulɗa da yawa tsakanin dabi'un halitta na Elastomer.
An nuna nau'ikan ukun na farko na murfin da aka soke a cikin siffa. 9. Akwai wasu nodes a kan babban yanayin wasan kwaikwayo.in Babban rawar jigo, nodes ba sa vibrate.fig. 10 yana nuna hanyoyi da yawa na wakoki na wrace farantin da aka tallafa wa farantin madauwari tare da wasu layin nodal da suka kunshi da'irori da diamita.
Za'a iya kammala ainihin yanayin matsalar rashin ƙarfi a matsayin matsalar iyaka ta ɓangaren bambance-bambancen karatu. Matsalar Vibrate.The Matsakaicin mafi kusancin mafita shine canza mafitar zuwa mai kyau zuwa babban abu-ƙasa da yawan tsarin 'yanci (ci gaba da yawa Tsarin) a cikin tsarin 'yanci na' yanci (tsarin mai hankali).
Fig. 9 yanayin kirtani
Fig. 10 Yanayin Madau
Hanyar daidaitaccen tsari shine tsarin hadaddun wanda ke hana wani tsari na hadaddun abubuwa kuma yana haɗi da su a lambar fitowar tazanta. sigogi na rarraba kowane kashi suna mai da hankali ga kowane kumburi a cikin wani tsari, da kuma tsarin na inji na tsarin sarrafawa.
Modal kira shine bazuwar hadaddun tsari a cikin sauki sauyi a cikin tsarin gudanarwa, da kuma yanayin tashin hankali na janar An samo tsarin ta amfani da matsanancin rashin ƙarfi na kowane ci gaba.
Hanyoyin guda biyu suna da alaƙa da alaƙa, kuma ana iya amfani dashi azaman hanyar gwaji ne da tsarin bincike da kuma yin bincike na gwaji don girgiza manyan tsarin.
Lokaci: Apr-03-2020
