metode routh.PDF - Bab 4 Analisis Sistem Kendali EL303 Sistem Kendali ANALISIS KESTABILAN ROUTH HURWITZ • Kestabilan merupakan hal terpenting dalam

metode routh.PDF - Bab 4 Analisis Sistem Kendali EL303...

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Bab 4: Analisis Sistem Kendali EL303 Sistem Kendali _____________________________________________________________________________ Teknik Elektro ITB [EYS-1998] hal: 1 dari 8 ANALISIS KESTABILAN ROUTH HURWITZ Kestabilan merupakan hal terpenting dalam sistem kendali linear. Pada kondisi apa sistem menjadi tak stabil, dan bagaimana cara menstabilkannya. Sistem stabil bila pole-pole loop tertutup terletak disebelah kiri bidang-s Dengan menggunakan kriteria kestabilan Routh, dapat diketahui jumlah pole loop tertutup yang terletak didaerah tak stabil tanpa perlu mencari solusi persamaan karakteristik A(s) Fungsi alih loop tertutup : KRITERIA KESTABILAN ROUTH HURWITZ Kriteria ini menunjukkan adakah akar-akar tak stabil persamaan polinom orde n (n=berhingga) tanpa perlu menyelesaikannya. Untuk sistem kendali, ketabilan mutlak langsung dapat diketahui dari koefisien-koefisien persamaan karaktristik. PROSEDUR: 1. Tulis persamaan orde-n dalam bentuk sbb: Dengan koefisien-koefisien : besaran nyata dan a n 0 (akar di titik asal sudah dihilangkan) 2.
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