11 Sistem Kendali
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Transcript of 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