Stabilisasi Pada Sistem Pendulum-Kereta dengan Menggunakan Metode Fuzzy-Sliding Mode Control
Submission Date: 2014-02-11 15:16:28
Accepted Date: 2014-03-15 00:00:00
Abstract
Sistem Pendulum-Kereta merupakan salah satu sistem nonlinear yang memiliki karakteristik sederhana namun sulit untuk dikontrol, sehingga sering digunakan untuk menguji berbagai metode kontrol. Pada Tugas Akhir ini membahas mengenai stabilisasi pada sistem pendulum-kereta dengan menggunakan metode Fuzzy-Sliding Mode Control agar sistem pendulum-kereta mampu mempertahankan batang pendulum dalam posisi terbaliknya dan tahan terhadap gangguan. Model nonlinear sistem pendulum-kereta akan direpresentasikan dalam model fuzzy Takagi-Sugeno untuk dua titik kerja. Dengan menggunakan model fuzzy Takagi-Sugeno tersebut, dipilih sebuah permukaan luncur. Terdapat dua sinyal kontrol pada Sliding Mode Control yaitu sinyal kontrol ekivalen yang memaksa state menuju permukaan luncur dan sinyal kontrol natural yang mempertahankan state dipermukaan luncur serta memberikan kekokohan sistem terhadap ketidakpastian. Gain pada sinyal kontrol ekivalen akan didesain dengan menggunakan Ackermanns Formula. Hasil simulasi dan implementasi menunjukkan bahwa batang pendulum dapat stabil pada posisi terbaliknya (0 radian) dan mampu mengkompensasi gangguan yang terjadi pada sistem.
Keywords
sistem pendulum-kereta; stabilisasi; fuzzy-sliding Mode Control, model Fuzzy Takagi-Sugeno, Ackermann’s Formula
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