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GRMS shine ƙimar haɓakar tushen matsakaicin murabba'i mai faɗi da aka bayyana a cikin raka'o'in g. Duk da haka, a cikin injiniyan girgiza, yana iya nufin haɓaka gabaɗaya na yanayin girgiza bazuwar, ko kuma yana iya bayyana a cikin ƙayyadaddun injin girgiza don nuna fitarwa da aka auna a ƙarƙashin takamaiman yanayin gwaji. Ba za a iya kwatanta su kai tsaye ba bisa ga raka'o'i kawai.

Wannan labarin ya bayyana ma'anar GRMS, raka'o'insa, da kuma yadda ake ƙididdige shi. Ya kuma bayyana yadda injiniyoyi ya kamata su fassara bayanan Grms a cikin ƙayyadaddun injinan girgizar micro da kuma waɗanne yanayi ne ya kamata a tabbatar yayin kwatanta sakamakon gwaji. A matsayinsa na mai kera injin girgizar micro, LEADER ya lissafa sigogin girgiza don samfuran da suka dace a cikin takaddun samfurinsa; ya kamata a fahimci waɗannan bayanan tare da takamaiman samfurin da yanayin gwaji.

Menene GRMS?

GRMS shine matsakaicin ƙimar murabba'in tushen siginar hanzari, wanda aka fi sani da gRMS. A cikin gwajin girgiza bazuwar, yana taƙaita haɓakar RMS gabaɗaya a cikin takamaiman kewayon mita. A cikin ƙayyadaddun ƙayyadaddun injin girgiza, Grms kuma na iya wakiltar fitowar haɓakawa da aka auna a ƙarƙashin takamaiman yanayin gwaji.

Idan ka ga GRMS ko Grms, mataki na farko shine tabbatar da abin da ake aunawa: shin bayanan sun bayyana yanayin girgizar da na'urar ke fuskanta, ko kuma fitowar girgizar da injin kanta ya samar? Duk da cewa waɗannan nau'ikan bayanai guda biyu suna amfani da raka'o'i iri ɗaya, manufofin auna su da yanayin gwaji sun bambanta, kuma ba za a iya kwatanta su kai tsaye ba bisa ga ƙimar lambobi kawai.

Menene Cikakken Suna da Rukunin GRMS?

GRMS gabaɗaya yana nufin hanzarin RMS (Tushen Ma'anar Square) wanda aka bayyana a cikin raka'o'in g. RMS hanya ce ta lissafi don sarrafa sigina daban-daban; g shine naúrar hanzarta nauyi, kuma 1g yana daidai da 9.81m/s29.81.m/s2.

A cikin takardun injiniyanci, ana kuma rubuta shi a matsayin gRMS, Grms, ko GRMS. Ko da kuwa an yi amfani da alamar, ya kamata a duba mahallin don tabbatar da cewa ma'aunin yana wakiltar hanzari, ba motsi na girgiza, gudu, ko saurin mota ba. Don takamaiman bayanai na mota, ya kamata a sake duba hanyar gwaji da yanayin samfurin da ya dace.

Ta Yaya Ake Lissafin GRMS?

Ana iya ƙididdige GRMS daga bayanan hanzarin yanki-lokaci ko kuma daga lanƙwasa PSD na yanki-mita. Hanyar yanki-lokaci ta dogara ne akan jerin samfuran hanzari; hanyar PSD ta haɗa yawan saurin saurin haske akan takamaiman kewayon mita. Duk hanyoyin biyu suna buƙatar bayyanannen ma'anar kewayon bayanai da yanayin gwaji.

Lissafi daga Bayanan Haɓaka Lokaci-Yanki

Don bayanan da aka samo daga yankin lokaci, haɓaka RMS yayi daidai da tushen murabba'in matsakaicin duk samfuran haɓaka murabba'i:

inda a1a1 ta hanyaransamfuran hanzari ne kuma nˉnˉ shine adadin samfuran. Idan siginar ta ƙunshi na'urar firikwensin da aka daidaita ko kuma abubuwan DC waɗanda girgiza ba ta haifar ba, ya kamata a yi gyare-gyare kafin a yi lissafi bisa ga hanyar aunawa. Idan an bayyana bayanan a cikin m/s2m/s2, ana iya canza su zuwa ggta hanyar rabawa da kimanin 9.81.

Lissafi daga Tsarin PSD

Gwajin girgiza bazuwar yawanci yana amfani da hanzarin ƙarfin ƙarfin haske (PSD) don bayyana rarrabawar girgiza a cikin mitoci daban-daban. Raka'o'in PSD yawanci g2/Hzg2/Hz ne. Ta hanyar haɗa PSD akan takamaiman kewayon mitoci sannan a ɗauki tushen murabba'in yankin da aka haɗa, ana samun GRMS.

GRMS==√ (Yankin PSD da aka haɗa akan kewayon mitar da aka ƙayyade)

Naúrar yankin PSD da aka haɗa shine g2g2, kuma ɗaukar tushen murabba'i yana samar da gRMS. Ga lanƙwasa da suka ƙunshi sassan mita da yawa da gangara daban-daban, ya kamata a ƙididdige yankin kowane sashe daban ta amfani da hanyar da ta dace, a taƙaita, sannan a ɗauki tushen murabba'i. Lissafi na ainihi ya kamata ya bi ƙa'idar gwaji ko hanyar software na bincike. Zangon mita kuma yana shafar sakamakon ƙarshe, don haka lokacin kwatanta ƙimar GRMS guda biyu, tabbatar da cewa an yi amfani da kewayon mita iri ɗaya da yanayin PSD.

Menene Bambanci Tsakanin GRMS, G Peak, da Peak-to-Peak?

GRMS, G Peak, da Peak-to-Peak suna bayyana halaye daban-daban na siginar girgiza kuma gabaɗaya ba za a iya musanya su kai tsaye ba. GRMS yana wakiltar matsakaicin haɓakar murabba'i na tushen sashin sigina; G Peak yana wakiltar matsakaicin haɓakar gaggawa nan take yayin aunawa; Peak-to-Peak yana wakiltar bambanci tsakanin matsakaicin da mafi ƙarancin ƙima.

Ma'auni	Abin da Yake Wakilta	Abin da za a lura da shi lokacin amfani da shi
GRMS / GRMS	Matsakaicin matakin murabba'i na tushen sashin siginar hanzari	Dole ne a ƙayyade abin aunawa, kewayon mita, da yanayin gwaji
G Kololuwa	Matsakaicin hanzarin gaggawa yayin aunawa	Yana shafar halayen kololuwar sigina da tsawon lokacin rikodi
Kololuwa zuwa Kololuwa	Bambanci tsakanin ma'auni mafi girma da mafi ƙarancin ƙima	Ba za a iya samunsa daga ƙimar RMS gaba ɗaya ba

Ga mafi kyawun raƙuman sine, akwai dangantaka mai ƙarfi tsakanin RMS da ƙimar kololuwa; duk da haka, ƙimar kololuwa ta siginar girgiza bazuwar ta dogara ne akan rarraba siginar, ma'aunin crest, da tsawon lokacin rikodi, kuma ba za a iya amfani da dabarar raƙuman sine kai tsaye ba. Bai kamata injiniyoyi su kimanta ƙimar kololuwa ko kololuwa ta girgiza bazuwar daga ƙimar GRMS guda ɗaya kawai ba.

Me Grms ke nufi a cikin Takardun Bayanan Mota na Vibration?

A cikin takaddun bayanai na injin girgizar micro, Grms yawanci yana wakiltar fitowar hanzarin da aka auna a ƙarƙashin takamaiman hanyoyin gwaji da yanayi. Ba ƙayyadadden "ƙarfin haptic" bane wanda ke ci gaba da kasancewa ba tare da la'akari da saitin gwaji ba, kuma ya kamata a fassara shi tare da samfurin, yanayin tuƙi, da hanyar aunawa.

Misali,FPCB-0820 na LEADERTakardun samfura sun lissafa ƙimar girgiza ta 0.6 Grms. Ya kamata a fahimci wannan ƙimar tare da samfurin da takardar bayanai masu dacewa; idan an yi amfani da shi don kwatanta injiniyanci, yana da mahimmanci a tabbatar ko ainihin yanayin aunawa ya yi daidai.

Me yasa Motar ɗaya zata iya auna ƙimar Grms daban-daban?

Bambance-bambance a cikin hawa, kayan aiki, kaya, ma'aunin aunawa, da yanayin tuƙi duk na iya haifar da injin iri ɗaya don auna ƙimar Grms daban-daban. Taurin kayan aiki da damshi suna shafar watsa girgiza; matsayi ko yanayin accelerometer daban-daban na iya yin rikodin martani daban-daban. Ƙarfin wutar lantarki na tuƙi, mitar tuƙi na LRA, matsin lamba na matsewa, da tsarin gidaje suma na iya canza sakamakon aunawa.

Domin inganta maimaita gwajin, ana ba da shawarar a yi rikodin samfurin motar, yanayin tuƙi, hanyar hawa, kaya, matsayin mai auna saurin gudu, ma'aunin aunawa, kewayon mita, da tsawon lokacin gwaji ga kowane ma'auni. Lokacin kwatanta bayanai, ya kamata a kiyaye waɗannan sharuɗɗan daidai gwargwado, kuma duk wani yanayi da ba za a iya daidaita shi ba ya kamata a rubuta shi a sarari.

Me GRMS Zai Iya Faɗa Maka, Kuma Me Ba Zai Iya Faɗa Maka Da Kansa Ba?

GRMS na iya taƙaita matakin hanzarin RMS gabaɗaya a ƙarƙashin takamaiman yanayin aunawa, amma ƙima ɗaya ba za ta iya bayyana cikakken siginar girgiza ba. Ga yanayin girgiza bazuwar, GRMS kaɗai ba zai iya nuna waɗanne mitoci ne ƙarfin girgizar ya taru a ciki ba; kimantawar injiniyanci kuma na iya buƙatar sake duba lanƙwasa PSD, takamaiman kewayon mita, da tsawon lokacin gwaji.

Ƙimar GRMS guda ɗaya kuma ba za ta iya nuna kai tsaye ba:

Matsakaicin ƙimar kololuwar nan take a cikin girgizar bazuwar;

Gudummawar nau'ikan mita daban-daban ga amsawar gabaɗaya;

Inda girgiza mafi girma ta faru a cikin tsarin samfurin;

Ko tsawon rayuwar motar ko kuma ingancinta ya cika sharuɗɗa;

Ko girgizar da mai amfani ya gani a ƙarshe ta fi ƙarfi ko kuma ta fi daɗi.

Idan ana kimanta girgizar bazuwar da kayan aiki ke fuskanta, ya kamata a yi la'akari da mitar da tsawon lokacin gwaji tare. Idan ana kimanta fitowar injin, ya kamata a yi la'akari da samfurin, tuƙi, kayan aiki, kaya, da kuma ma'aunin ma'auni tare. A kowane hali bai kamata a yi cikakken hukunci bisa ga lambar GRMS guda ɗaya kawai ba.

Wane Bayani Ya Kamata A Ba Wa Masana'anta Lokacin Kimanta Injinan Ƙararrawa Masu Ƙara Girgiza?

Lokacin tantance takamaiman bayanai ko samfura na injin, ƙungiyar injiniya ya kamata ta ƙayyade abin aunawa, ma'aunin manufa, da kuma ainihin yanayin amfani. Wannan bayanin yana taimaka wa LEADER tantance ko aikin yana da alaƙa da girgizar muhalli na kayan aiki ko fitowar motar, da kuma tabbatar da ƙayyadaddun bayanai ko yanayin kimanta samfurin da suka dace.

Shawarar shiri:

Nau'in samfurin da aikace-aikacen da aka yi niyya;

Ko kimantawar ta shafi girgizar muhalli ko fitowar injin;

Target Grms, G Peak, ko wasu ma'aunin girgiza;

Mita mai dacewa da buƙatun gwaji masu alaƙa;

Wurin hawa mota, yanayin da aka tsara, hanyar gyarawa, da tsarin samfurin;

Ƙarfin wutar lantarki da ake da shi, da'irar tuƙi, da kuma mitar tuƙi ta LRA (idan ya dace);

Matsayin na'urar gwaji, kaya, da kuma matsayin na'urar auna saurin gudu (idan akwai saitin gwaji);

Tsarin mota, yawan samfurin, da matakin aikin da za a tantance.

Idan ba a tantance ƙimar da aka nufa ba tukuna, da farko za ku iya samar da tsarin samfurin, yanayin tuƙi, rahotannin gwaji da ake da su, ko samfuran tunani. LEADER na iya ƙara tabbatar da sigogi da ake da su da buƙatun kimantawa bisa ga takamaiman takaddun samfurin.

Bincika na Shugabaƙananan hanyoyin injin girgiza or zaɓuɓɓukan injin layi na musammanlokacin da ake tantance injina don ƙananan na'urorin lantarki.

Menene Ma'anar GRMS?

Gabaɗaya GRMS yana nufin ƙimar haɓakar tushen matsakaicin murabba'i mai faɗi da aka bayyana a cikin raka'o'in g. Yana bayyana matakin RMS na siginar haɓaka, kuma ya kamata a ƙayyade takamaiman ma'anarsa tare da abin aunawa da yanayin gwaji.

Menene Raka'ar GRMS?

Yawanci ana bayyana GRMS a matsayin gRMS don haɓaka aiki. 1g yana daidai da 9.81 m/s29.81 m/s2. A cikin takardun injiniyanci, ana iya rubuta shi azaman gRMS, Grms, ko GRMS.

Shin GRMS iri ɗaya ne da G Peak?

Shin GRMS iri ɗaya ne da G Peak? A'a. GRMS shine matsakaicin ƙimar hanzarin tushen murabba'i, yayin da G Peak shine matsakaicin saurin hanzarin nan take yayin aunawa. Alaƙar da ke tsakanin su biyun ta dogara ne akan tsarin raƙuman sigina; girgizar bazuwar ba za a iya canza ta kai tsaye ta amfani da dabarar raƙuman sine da ta dace ba.

Za a iya kwatanta injinan girgiza guda biyu bisa ga ƙimar Grms kawai?

Ba a ba da shawarar ba. Ya kamata a tabbatar ko na'urar gwajin, kaya, yanayin hawa, yanayin tuƙi, da hanyar aunawa iri ɗaya ne ga injunan biyu. Idan yanayin gwajin ya bambanta, kwatanta ƙimar Grms kaɗai na iya haifar da yanke shawara mara daidai.

Shin GRMs ɗin da ke cikin Takardar Bayanan Mota Zai Iya Wakiltar Ƙarfin Girgizar da Mai Amfani Ya Ji?

Shin Grms ɗin da ke cikin takardar bayanai ta mota zai iya wakiltar ƙarfin girgizar da mai amfani ya ji a zahiri? Ba zai iya wakiltar wannan da kansa ba. Grms ɗin da ke cikin takardar bayanai ƙimar da aka auna ce a ƙarƙashin takamaiman saitin gwaji; ainihin watsa girgizar kuma yana shafar wurin zama, hanyar hawa, nauyin na'urar, wurin hulɗa, da yanayin tuƙi, kuma ya kamata a tabbatar da shi a cikin tsarin da aka nufa.

Kammalawa

GRMS ma'aunin matsakaicin murabba'i ne na tushen hanzari, amma a cikin yanayi daban-daban, yana iya bayyana yanayin girgiza bazuwar ko wakiltar fitowar injin girgiza da aka auna a ƙarƙashin takamaiman yanayi. Kafin fassara ko kwatanta bayanai, ya kamata a fara tabbatar da abin aunawa, raka'a, kewayon mita, da yanayin gwaji.