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Komponen – Komponen Sistem Kontrol

Komponen – Komponen Sistem Kontrol. Komponen – komponen sistem kontrol lebih mudah digambarkan dalam suatu diagram blok . Definisi diagram blok : suatu pernyataan grafis untuk menggambarkan sistem pengaturan. Plant/ Proses. Plant/ Proses. output. input. output. input. +. +. -.

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Komponen – Komponen Sistem Kontrol

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  1. Komponen – KomponenSistemKontrol • Komponen – komponensistemkontrollebihmudahdigambarkandalamsuatudiagram blok. • Definisi diagram blok : • suatupernyataangrafisuntukmenggambarkansistempengaturan.

  2. Plant/ Proses Plant/ Proses output input output input + + - - Diagram Blok Closed Loop Control System Open Loop Control System Input sensor Plant/ Proses input output Output sensor Closed Loop Control System

  3. + - Input r(t) Input sensor Output c(t) Controller Aktuator Plant/ Proses Output sensor Diagram Blok sistemclosed loop Control Signal (u(t)) Error Signal (e(t)) Error Detector

  4. Diagram Blok - Komponen • Input / Set Point / Referensi / r(t) • Nilai output sistem yang kitainginkan • Output / Actual output • Output sebenarnya (aktual) yang dihasilkanolehsistem • Plant/process • Obyektertentu yang dikontrololehsistem

  5. Diagram Blok - Komponen • Error detector • Pembanding input dengan output • Menghasilkanerror signal • e(t) = r(t) – c(t) • Kontroler • “Otak” darisistem. • Menerima error sebagai input • Menghasilkansinyalkontrol(u(t)) yang menyebabkan output menjadisamadengan input

  6. Diagram Blok - Komponen • Actuator • “Otot” darisistem • Komponen yang secarafisikmelakukankeinginankontrolerdengansuntikanenergitertentu • Sensor • “Mata” sistem • Mengukurbesaranfisikdanmengubahnyamenjadibesaranlistrik

  7. Latihan • Alatberikuttermasukjenissistemkontrolapa? Sebutkankomponen – komponensistemnya! • Mesincuci • Air Conditioner • Lemari Es • Sistempengaturan level air ditandon

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