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Intshayelelo

I-GRMS lixabiso le-root mean square acceleration elichazwe kwiiyunithi ze-g. Nangona kunjalo, kubunjineli bokungcangcazela, ingabhekisa ekukhawulezisweni ngokubanzi kwendawo yokungcangcazela engacwangciswanga, okanye ingabonakala kwiinkcukacha ze-vibration motor ukubonisa imveliso elinganiswe phantsi kweemeko ezithile zovavanyo. Ezi zimbini azinakuthelekiswa ngokuthe ngqo ngokusekelwe kwiiyunithi zodwa.

Eli nqaku lichaza oko kuthethwa yi-GRMS, iiyunithi zayo, kunye nendlela ebalwa ngayo. Likwachaza nendlela iinjineli ekufuneka zitolike ngayo idatha ye-Grms kwiinkcukacha zeemoto ze-micro vibration kunye neemeko ekufuneka ziqinisekiswe xa kuthelekiswa iziphumo zovavanyo. Njengomvelisi weemoto ze-micro vibration, i-LEADER idwelisa iiparameter ze-vibration zeemodeli ezihambelanayo kuxwebhu lwemveliso yayo; ezi datha kufuneka ziqondwe kunye nemodeli ethile kunye neemeko zovavanyo.

Yintoni i-GRMS?

I-GRMS lixabiso lesikwere eliphakathi le-avareji yesignali yokukhawulezisa, edla ngokubonakaliswa njenge-gRMS. Kuvavanyo lokungcangcazela olungacwangciswanga, ishwankathela ukukhawuleziswa kwe-RMS iyonke ngaphakathi koluhlu oluthile lwefrikhwensi. Kwiinkcukacha zemoto yokungcangcazela, ii-Grms zinokumela nemveliso yokukhawulezisa elinganiswe phantsi kweemeko ezithile zovavanyo.

Xa ubona iiGRMS okanye iiGrms, inyathelo lokuqala kukuqinisekisa oko kulinganiswayo: ngaba idatha ichaza indawo yokungcangcazela engacwangciswanga isixhobo esiphantsi kwayo, okanye imveliso yokungcangcazela eveliswa yimoto ngokwayo? Nangona ezi ntlobo zimbini zedatha zisebenzisa iiyunithi ezifanayo, iinjongo zazo zokulinganisa kunye neemeko zovavanyo zahlukile, kwaye azinakuthelekiswa ngokuthe ngqo ngokusekelwe kumaxabiso eenombolo kuphela.

Lithini igama elipheleleyo kunye neyunithi ye-GRMS?

I-GRMS ngokubanzi ibhekisa kwi-RMS (Root Mean Square) acceleration echazwe kwiiyunithi ze-g. I-RMS yindlela yokubala yokucubungula iimpawu ezahlukeneyo; i-g yiyunithi yokukhawulezisa amandla adonsela phantsi, kwaye i-1g imalunga ne-9.81m/s29.81m/s2.

Kumaxwebhu obunjineli, ikwabhalwa njenge-gRMS, Grms, okanye GRMS. Nokuba kusetyenziswa luphi uphawulo, umxholo kufuneka uhlolwe ukuqinisekisa ukuba i-metric imele ukukhawulezisa, hayi ukufuduka kokungcangcazela, isantya, okanye isantya semoto. Kwiinkcukacha zemoto, indlela yovavanyo kunye neemeko zemodeli ehambelanayo nazo kufuneka zihlolwe.

Ibalwa njani i-GRMS?

I-GRMS ingabalwa kwidatha yokukhawulezisa i-time-domain okanye kwi-PDD curve ye-frequency-domain. Indlela ye-time-domain isekelwe kuthotho lweesampulu zokukhawulezisa; indlela ye-PSD idibanisa uxinano lwe-acceleration spectral kuluhlu oluchaziweyo lwe-frequency. Zombini ezi ndlela zifuna inkcazo ecacileyo yoluhlu lwedatha kunye neemeko zovavanyo.

Ukubala kwi-Time-Domain Acceleration Data

Kwidatha ethathwe isampuli ye-time-domain, i-RMS acceleration ilingana ne-square root yomndilili wazo zonke iisampuli ze-acceleration eziphindwe kabini:

apho i-a1a1 ngokusebenzisaan ziisampuli zokukhawulezisa kunye ne-nˉnˉ linani leesampuli. Ukuba isignali iqulethe i-sensor offset okanye ii-DC components ezingaveliswanga kukungcangcazela, kufuneka kwenziwe izilungiso ngaphambi kokuba kubalwe ngokwendlela yokulinganisa. Ukuba idatha ichazwe kwi-m/s2m/s2, ingaguqulwa ibe yi-ggngokwahlula-hlula malunga ne-9.81.

Ukubala ukusuka kwi-PSD Curve

Uvavanyo lokungcangcazela ngokungacwangciswanga ludla ngokusebenzisa i-acceleration Power Spectral Density (PSD) ukuchaza usasazo lokungcangcazela kwiifrequensi ezahlukeneyo. Iiyunithi zePSD zihlala ziyi-g2/Hzg2/Hz. Ngokudibanisa iPSD kuluhlu oluthile lwefrikhwensi uze emva koko uthathe ingcambu yesikwere yendawo edibeneyo, i-GRMS ifunyanwa.

IiGRMS==√ (Indawo eDibeneyo yePSD kwiRange yeFrequency echaziweyo)

Iyunithi yendawo edibeneyo ye-PSD yi-g2g2, kwaye ukuthatha ingcambu yesikwere kuvelisa i-gRMS. Kwii-curves ezenziwe ngamacandelo amaninzi e-frequency kunye ne-slopes ezahlukeneyo, indawo yecandelo ngalinye kufuneka ibalwe ngokwahlukeneyo kusetyenziswa indlela efanelekileyo, ishwankathelwe, kwaye emva koko kuthathwe ingcambu yesikwere. Ubalo lokwenyani kufuneka lulandele indlela efanelekileyo yovavanyo okanye isoftware yohlalutyo. Uluhlu lwe-frequency lukwachaphazela isiphumo sokugqibela, ngoko ke xa uthelekisa amaxabiso amabini e-GRMS, qinisekisa ukuba kusetyenziswe uluhlu lwe-frequency olufanayo kunye neemeko ze-PSD.

Yintoni umahluko phakathi kwe-GRMS, i-G Peak, kunye ne-Peak-to-Peak?

I-GRMS, i-G Peak, kunye ne-Peak-to-Peak zichaza iimpawu ezahlukeneyo zesignali yokungcangcazela kwaye ngokubanzi azinakutshintshwa ngokuthe ngqo. I-GRMS imele i-root mean square acceleration ye-signal segment; i-G Peak imele i-higher instantly acceleration ephezulu ngexesha lokulinganisa; i-Peak-to-Peak imele umahluko phakathi kwamaxabiso aphezulu kunye nawona mancinci.

I-Metric	Oko Kumeleyo	Yintoni Omele Uyiqaphele Xa Uyisebenzisa
I-GRMS / gRMS	Inqanaba lesikwere esiphakathi seengcambu zecandelo lesignali yokukhawulezisa	Into yokulinganisa, uluhlu lwamaza, kunye neemeko zovavanyo kufuneka zichazwe
Incopho ye-G	Ukukhawulezisa okukhulu kwangoko ngexesha lokulinganisa	Ichatshazelwa ziimpawu zencopho yesiginali kunye nobude bokurekhoda
Incopho ukuya kwiNqanaba	Umahluko phakathi kwexabiso eliphezulu neliphantsi	Ayinakufunyanwa kwihlabathi liphela kwiixabiso ze-RMS

Kwi-sine wave efanelekileyo, kukho ubudlelwane obuzinzileyo phakathi kwe-RMS kunye nexabiso eliphakamileyo; nangona kunjalo, ixabiso eliphakamileyo lesignali yokungcangcazela engacwangciswanga lixhomekeke kukusasazwa kwesignali, i-crest factor, kunye nobude bokurekhoda, kwaye ifomula ye-sine wave ayinakusetyenziswa ngokuthe ngqo. Iinjineli akufuneki ziqikelele ixabiso eliphakamileyo okanye eliphezulu lokungcangcazela okungacwangciswanga ukusuka kwixabiso elinye le-GRMS kuphela.

Ithetha ukuthini i-Grms kwi-Vibration Motor Datasheets?

Kwidatha ye-micro vibration motor sheets, ii-Grms zihlala zimela isiphumo sokukhawulezisa esilinganiswe phantsi kweendlela ezithile zovavanyo kunye neemeko. Asikuko "amandla e-haptic" azinzileyo ahlala engaguqukiyo nokuba uvavanyo lusetwe njani, kwaye kufuneka itolikwe kunye nemodeli, iimeko zokuqhuba, kunye nendlela yokulinganisa.

Umzekelo,I-FPCB-0820 yeNKOKELIuxwebhu lwemveliso ludwelisa ixabiso lokungcangcazela le-0.6 Grms. Eli xabiso kufuneka liqondwe kunye nemodeli ehambelanayo kunye nephepha ledatha; ukuba lisetyenziselwa ukuthelekisa ubunjineli, kuyimfuneko ukuqinisekisa ukuba iimeko zokulinganisa zokwenyani ziyahambelana na.

Kutheni le nto iMoto efanayo inokulinganisa amaxabiso ahlukeneyo eGrms?

Umahluko kwi-mounting, fixture, load, measure axis, kunye ne-drive comes zonke zinokubangela ukuba i-motor efanayo ilinganise amaxabiso ahlukeneyo e-Grms. Ukuqina kwe-fixture kunye ne-damping zichaphazela ukuhanjiswa kwe-vibration; iindawo ezahlukeneyo ze-accelerometer okanye iindlela ezisetyenziswa ngazo zinokurekhoda iimpendulo ezahlukeneyo. I-Drive voltage, i-LRA drive frequency, uxinzelelo lwe-clamping, kunye nesakhiwo se-housing nazo zinokutshintsha iziphumo zokulinganisa.

Ukuphucula ukuphindaphindwa kovavanyo, kucetyiswa ukuba kurekhodwe imodeli yemoto, iimeko zokuqhuba, indlela yokufaka, umthwalo, indawo ye-accelerometer, i-axis yokulinganisa, uluhlu lwamaza, kunye nobude bovavanyo lomlinganiselo ngamnye. Xa kuthelekiswa idatha, ezi meko mazigcinwe zihambelana kangangoko, kwaye naziphi na iimeko ezingenakulinganiswa kufuneka zibhalwe ngokucacileyo.

Yintoni enokukuxelela yona i-GRMS, kwaye yintoni engenakukuxelela yona yodwa?

I-GRMS ingashwankathela inqanaba lokukhawulezisa i-RMS iyonke phantsi kweemeko ezithile zokulinganisa, kodwa ixabiso elinye alinakuchaza ngokupheleleyo isignali yokungcangcazela. Kwiindawo zokungcangcazela ezingacwangciswanga, i-GRMS yodwa ayinakubonisa ukuba zeziphi ii-frequency amandla okungcangcazela agxininiswe kuzo; uvavanyo lobunjineli lunokufuna ukuphononongwa kwe-PSD curve, uluhlu oluchaziweyo lwee-frequency, kunye nobude bovavanyo.

Ixabiso elinye le-GRMS alinakukubonisa ngokuthe ngqo:

Ixabiso eliphezulu lencopho ekhawulezileyo kwi-random vibration;

Igalelo leebhendi ezahlukeneyo zefrikhwensi kwimpendulo iyonke;

Apho ukungcangcazela okuphezulu kwenzeka kwisakhiwo semveliso;

Nokuba ubomi benkonzo yemoto okanye ukuthembeka kwayo kuyahlangabezana neemfuno;

Nokuba ukungcangcazela kokugqibela komsebenzisi kunamandla okanye kukhululekile na.

Ukuba kuvavanywa ukungcangcazela okungacwangciswanga okwenziwa zizixhobo, i-frequency spectrum kunye nobude bovavanyo kufuneka ziqwalaselwe kunye. Ukuba kuvavanywa imveliso yemoto, imodeli, i-drive, i-fixture, umthwalo, kunye ne-axis yokulinganisa kufuneka ziqwalaselwe kunye. Kuzo zombini ezi meko akufanele kwenziwe isigqibo esipheleleyo ngokusekelwe kwinani elinye le-GRMS kuphela.

Loluphi ulwazi olufanele lunikwe umenzi xa evavanya iiMoto zeMicro Vibration?

Xa kuvavanywa iinkcukacha zemoto okanye iisampuli, iqela lobunjineli kufuneka lichaze into yokulinganisa, iimitha ekujoliswe kuzo, kunye neemeko zokusetyenziswa zokwenyani. Olu lwazi lunceda i-LEADER ukuba igqibe ukuba iprojekthi inxulumene nokungcangcazela kwendalo kwesixhobo okanye imveliso yemoto, kwaye iqinisekise iinkcukacha ezifanelekileyo okanye iimeko zovavanyo lwesampuli.

Ukulungiselela okucetyiswayo:

Uhlobo lwemveliso kunye nokusetyenziswa kwayo ekujoliswe kuyo;

Nokuba uvavanyo luphathelele ukungcangcazela okungacwangciswanga kokusingqongileyo okanye imveliso yemoto;

IiGrms ezijoliswe kuzo, iG Peak, okanye ezinye iindlela zokulinganisa ukungcangcazela;

Uluhlu lweefrikhwensi ezisebenzayo kunye neemfuno zovavanyo ezinxulumene noko;

Indawo yokufaka injini, indlela yokuqondisa, indlela yokulungisa, kunye nolwakhiwo lwemveliso;

I-voltage ekhoyo, i-drive circuit, kunye ne-LRA drive frequency (ukuba ikhona);

isixhobo sovavanyo, umthwalo, kunye nendawo ye-accelerometer (ukuba useto lovavanyo sele lukhona);

Imodeli yemoto, ubungakanani besampulu, kunye nenqanaba leprojekthi ekufuneka ivavanywe.

Ukuba amaxabiso ekujoliswe kuwo awakamiselwa, ungaqala ngokunika isakhiwo semveliso, iimeko zokuqhuba, iingxelo zovavanyo ezikhoyo, okanye iiprototypes zesalathiso. I-LEADER ingaqinisekisa ngakumbi iiparameter ezikhoyo kunye neemfuno zovavanyo lwesampulu ngokusekelwe kuxwebhu oluthile lwemodeli.

Hlola iNkokheliizisombululo ezincinci zeemoto zokungcangcazela or iinketho zeemoto ezithe ngqo ezenziwe ngokwezifisoxa kuvavanywa iimoto zezixhobo ze-elektroniki ezincinci.

Imele ntoni i-GRMS?

I-GRMS ngokubanzi ibhekisa kwixabiso le-root mean square acceleration elichazwe kwiiyunithi ze-g. Ichaza inqanaba le-RMS lesignali yokukhawulezisa, kwaye intsingiselo yayo ethile kufuneka imiselwe kunye nento yokulinganisa kunye neemeko zovavanyo.

Yintoni iYunithi ye-GRMS?

I-GRMS idla ngokubonakaliswa njenge-gRMS yokukhawulezisa. I-1g ilingana ne-9.81 m/s29.81 m/s2. Kumaxwebhu obunjineli, ingabhalwa njenge-gRMS, i-Grms, okanye i-GRMS.

Ngaba ii-GRMS ziyafana ne-G Peak?

Ingaba i-GRMS iyafana ne-G Peak? Hayi. I-GRMS lixabiso le-root mean square acceleration, ngelixa i-G Peak lixabiso eliphezulu lokukhawulezisa ngokukhawuleza ngexesha lokulinganisa. Ubudlelwane phakathi kwezi zimbini buxhomekeke kwimo ye-signal wave; i-random vibration ayinakuguqulwa ngokuthe ngqo kusetyenziswa i-ideal sine wave formula.

Ngaba iiMoto ezimbini zokuVibration zinokuthelekiswa ngokusekwe kuphela kwixabiso leGrms?

Akukhuthazwa. Kufuneka kuqinisekiswe ukuba isixhobo sovavanyo, umthwalo, ukuqhelaniswa kokufakelwa, iimeko zokuqhuba, kunye nendlela yokulinganisa ziyafana na kuzo zombini iimoto. Ukuba iimeko zovavanyo zahlukile, ukuthelekisa amaxabiso eGrms kuphela kunokukhokelela kwizigqibo ezingachanekanga.

Ngaba iiGrms kwiDatasheet yeMoto zinokumela uBukhulu bokungcangcazela obuvezwa ngumsebenzisi?

Ngaba iiGrms ezikwiphepha ledatha lemoto zinokumela amandla okungcangcazela aviwa ngumsebenzisi? Ayinakumela oku ngokwayo. IiGrms ezikwiphepha ledatha lixabiso elilinganisiweyo phantsi kokuseta uvavanyo oluthile; ukudluliselwa kokungcangcazela kwangempela kukwachaphazeleka yindlu, indlela yokuqhoboshela, ubunzima besixhobo, indawo yoqhagamshelwano, kunye neemeko zokuqhuba, kwaye kufuneka ziqinisekiswe kwisakhiwo ekujoliswe kuso.

Isiphelo

I-GRMS yi-root mean square metric yokukhawulezisa, kodwa kwiimeko ezahlukeneyo, inokuchaza indawo yokungcangcazela engacwangciswanga okanye imele imveliso ye-vibration motor elinganiswe phantsi kweemeko ezithile. Ngaphambi kokutolika okanye ukuthelekisa idatha, into yokulinganisa, iiyunithi, uluhlu lwamaza, kunye neemeko zovavanyo kufuneka ziqinisekiswe kuqala.

Nxibelelana neengcali zakho zeeNkokeli

Sikunceda uphephe imigibe yokubonelela ngomgangatho kwaye uxabise iimfuno zakho ze-micro brushless motor, ngexesha elifanelekileyo kwaye kuhlahlo lwabiwo-mali.