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7/26/2019 11 Sistem Kendali http://slidepdf.com/reader/full/11-sistem-kendali 1/20 Sistem Kendali Control System PENGANTAR ELEKTRONIKA DAN INSTRUMENTASI 2016
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11 Sistem Kendali

Mar 02, 2018

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Page 1: 11 Sistem Kendali

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Sistem KendaliControl SystemPENGANTAR ELEKTRONIKA DAN INSTRUMENTASI2016

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Cakupan Materi

• Pemodelan Sistem

• Sistem Kendali

• Sistem Kendali Konvensional

• Sistem Kendali Digital

• Sistem Kendali Adaptif

• Sistem Kendali Cerdas

• Tanggap Sistem

• Kestabilan Sistem

• Kehandalan Sistem

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Kendali

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Pemodelan Sistem

• Pemodelan  Representasi sistem dalam model matematika

• Agar bisa dianalisis

• Agar bisa disintesis

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Sistem Kendali

• Bidang Rekayasa (engineering) bertemu Matematika

• Memanipulasi sikap sistem dinamis

• Sistem kendali

• Kalang terbuka – open loop 

• Kalang tertutup – closed loop 

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Sistem Kendali

http://fantasticpixcool.com/open+loop+system+examples?image=294864794

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Kestabilan Sistem

http://quest.nasa.gov/aero/planetary/atmospheric/s+c1.html

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Kestabilan Sistem

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Umpan Balik

• Umpan balik ( feedback ) luaran sistem mempengaruhi sikap

sistem

• Pada umumnya berupa sensor/transduser

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Tanggap Sistem

http://www.newport.com/Control-Theory-Terminology/178319/1033/content.aspx

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Sistem Kendali Konvensional

• Analisis pada ranah frekuensi

• Perancangan dan analisis dengan transformasi Laplace

• Sistem kendali kalang tertutup

•   Kendali PID

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Pengendali PID

• PID  Proportional, Integral, Derivative 

• Mengatasi error sistem untuk mendapatkan tanggap sistem

yang baik, sesuai yang diinginkan

http://www.codeproject.com/Articles/49548/Industrial-NET-PID-Controllers

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Pengendali PID

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Pengendali PID

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Sistem Kendali Digital

https://d1gqps90bl2jsp.cloudfront.net/content/brain/137/1/183/F3.large.jpg

• Sistem kendali dengan pendekatan komputer

• Pendekatan sistem analog dengan data diskrit

• Analisis kestabilan berbeda karena pencuplikan data data

tidak kontinu/diskrit

• Misal: line follower  

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Sistem Kendali Digital

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Sistem Kendali Cerdas

• Sistem Kendali dengan komputasi cerdas

• Implementasi pada kendali digital

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Sistem Kendali Adaptif

• Sistem kendali dengan parameter yang adaptif

http://www.mit.edu/~tgibson/research.html

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Kehandalan Sistem

• Sistem yang handal  tahan terhadap perubahan parameter

• Tahan terhadap noise 

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SekianElektronika dan Instrumentasi2016