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Abubuwa na Nuna

Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
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China

Kawarwari mai Girma


A cikin wasu girman girmi, kawarwari shine yadda take tafi farkon bayanin da suka shiga (ya'ni variable na inganci) da abubuwan da ake son (ya'ni setpoint). Kawarwarin suna cikin muhimmin yanayin girman girmi kuma ana amfani da su daga cikin duk wasu girmomin mafi yawa.


Idan kuna nufin in ba ku karin bayanai game da kawarwarin a cikin littattafan girman girmi, ya kamata a sanin abubuwan da ke da muhimmanci a kan kawarwarin. Abubuwan da ke da muhimmanci sun hada da:


  • Kawarwarin suna bincike zama a cikin bayanai da ake son ta hanyar doke error na bayanai.



  • Idan zama a cikin bayanai yana da kyau, zama a cikin girmomi yana da kyau.



  • Kawarwarin suna taimaka wajen doke offsets da aka fi sune a cikin girmomi.



  • Kawarwarin suna taimaka wajen kontrola maximum overshoot na girmomi.



  • Kawarwarin suna taimaka wajen doke noise signals da aka fi sune a cikin girmomi.


  • Kawarwarin suna taimaka wajen koyar da amsa a cikin girmomin overdamped.


Abunubuwa na Kawarwarin


Akwai abunubuwa biyu na kawarwarin: kawarwarin mafi tsawo, da kawarwarin babba.


A cikin kawarwarin babba, variable na inganci yana canzawa a nan cikin adadin mutane. Idan za a iya bayyana wa ce variable na inganci yana iya haɗa, za a faɗa a nan bayanai game da kawarwarin two position, three position, da multi-position controllers.


Daga kawarwarin mafi tsawo, kawarwarin babba suna yi aiki a nan alamomin kawaye da suke da damar fuskantar.


Muhimman abu a nan kawarwarin mafi tsawo shine variable na inganci (ko variable na inganci) yana iya haɗa a nan adadin da aka bayyana a nan output range na kawarwari.


A nan kawarwarin mafi tsawo, akwai uku na abunubuwa da ke yi aiki a nan control action, wadannan sun hada da:


  • Kawarwarin proportional.

  • Kawarwarin integral.

  • Kawarwarin derivative.


Ana amfani da kawarwarin wadannan abunubuwa don kontrola girmominta hakan da variable na inganci yana iya haɗa da setpoint (ko a matsayin da ake iya haɗa). Wadannan uku na abunubuwa na kawarwarin suna iya haɗa zuwa kawarwarin masu abunubuwa:


  • Kawarwarin proportional da integral (PI Controller)

  • Kawarwarin proportional da derivative (PD Controller)

  • Kawarwarin proportional integral derivative (PID Controller)

Ba da kyau kuma kara mai rubutu!

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