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Gafar Tsohon Kontrol na Sistem

Encyclopedia
Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
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China

Takaitaccen Tushen Kudancin Nuna


Tushen kudancin nuna ya taimaka wajen yin kudancin nuna na kontrolu da yake amfani da mafi girma da sassan kudan, ba kudan da wurare summing baki daya.

 

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Abubuwa don Risa Tushen Kudancin Nuna


  • Nunan zai yi hankali ciki kan sassan kudan zuwa hukuma da aka nuna a sassan kudan.



  • Nunan fadada sassan kudan shine zarurfa ta transmittance da nunan sakiya a sassan kudan.



  • Nunan sakiya a mafi girma shine jumla duka nunan da suka ci gaba a mafi girma.



  • Nunan zai yi hankali ciki kan duka sassan kudan da suka fi shi a mafi girma.

 

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Tarihin Yawan Kula Tasirin Transfer Function Don Tushen Kudancin Nuna


  • Kafin, zaka iya kula nunan sakiya a kowace mafi girman tushen. Wannan an yi ne tare da kula jumla duka zarurfe da transmittance da kowane mafi girman da ke nuna a sassan kudan zuwa mafi girman.



  • Daga nan, tare da kula nunan sakiya a duka mafi girman za su iya bayar da kawoofa da kula jumla duka mafi girman da transmittance. Da ma'ana, zai a bayar da kawoofa daidai da kula mafi girman sakiya.



  • Ta hanyar kula wasu kawoofa ne, zai iya samun nunan sakiya da fadada duk tushen kudancin nuna na kontrolu.



  • Kafin, tare da kula fadada akwai zuwa kula sakiya na farko, zaka iya kula tasirin transfer function na tushen kudancin nuna.

 

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Idan P ita ce transmittance na kudan kadan bayan sakiya da fadada tushen kudancin nuna. L1, L2…………………. transmittance na kudan kadan, kudan biyu, ... tushen. Daga nan, don tushen kudancin nuna na farko, transmittance na kudan kadan bayan sakiya da fadada shine


Don tushen kudancin nuna na biyu, transmittance na kudan kadan bayan sakiya da fadada an yi ne kamar hakan.


A nan, a wannan takarda, akwai biyu na kudan kadan. Saboda haka, transmittance na kudan kadan bayan sakiya da fadada tushen kudancin nuna ya zama jumla aritmetika na transmittance na biyu na kudan kadan.

 

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Saboda kowane na kudan kadan tana da kudan kadan da take, transmittance na kudan kadan suna da


Saboda haka, transmittance na kudan kadan bayan sakiya da fadada tushen kudancin nuna shine

 

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Mason’s Gain Formula

 

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Transmittance ko gain na kudan kadan tushen kudancin nuna a kontrolu ana bayar da formula na Mason’s Gain Formula.


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Idan Pk ita ce transmittance na kudan kadan na kth bayan sakiya da aka sani zuwa mafi girman fadada. A nan, babu mafi girman da za su iya duba kadan da kadan.


Δ ita ce graph determinant wanda ya kasance da transmittance na kudan kadan da tashin kudan kadan da suka haɗa da kudan kadan da suka haɗa da kudan kadan.


Δ = 1 – (jumla duka transmittance na kudan kadan) + (jumla duka zarurfe na kudan kadan da suka haɗa da kudan kadan) – (jumla duka zarurfe na kudan kadan da suka haɗa da kudan kadan) + (……) – (……)


Δk ita ce factor wanda ya kasance da tarihi da ke kudan kadan da suka haɗa da kudan kadan da suka haɗa da kudan kadan.


Factor Δk na kth path ita ce daraja na graph determinant na signal flow graph wanda ya faru bayan kula kth path daga tushen.


Ta hanyar wannan formula, zaka iya kula tasirin transfer function na kontrolu tare da kula block diagram na kontrolu (idandata suka bayar da hakan) zuwa tushen kudancin nuna da ke dace. Zaka iya misalici block diagram na kusa.

 

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