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3. Analisa Respon Transien dan Error Steady State

3. Analisa Respon Transien dan Error Steady State. Analisa Respon Transien. Pendahuluan. Pengantar Analisis Sistem Kontrol Close Loop – Open Loop, Feedback, dll Transformasi Laplace, Transfer Function Diagram blok Model Matematika Sistem mekanik, listrik, elektromekanik, dll

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3. Analisa Respon Transien dan Error Steady State

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  1. 3. Analisa Respon Transien dan Error Steady State Analisa Respon Transien

  2. Pendahuluan • Pengantar Analisis Sistem Kontrol • Close Loop – Open Loop, Feedback, dll • Transformasi Laplace, Transfer Function • Diagram blok • Model Matematika • Sistem mekanik, listrik, elektromekanik, dll • Analisa Respon Transien dan Error Steady State • Analisa Respon Transien • Kestabilan  Kriteria Kestabilan Routh • Analisa error steady state • Aksi Kontrol Dasar (Kontroler PID)

  3. Pendahuluan • Setelah menurunkan model matematika sistem  menganalisa kinerja sistem. • Analisa  dilakukan dengan memberikan sinyal uji pada sistem • Sinyal uji : step, ramp, impulse, sinusoidal • Respon waktu sistem terdiri dari : • Transient response, respon sistem yang berlangsung dari keadaan awal sampai akhir • Steady state response, perilaku keluaran sistem jika t mendekati tak terhingga • Contoh : …..

  4. Sistem Orde 1 • Orde suatu sistem ditentukan dari : • pangkat tertinggi dari penyebut persamaan sistem • Orde 1 : T = time constant • Contoh sistem orde 1 : • Sistem permukaan zat cair sederhana, sistem thermal, sensor, dll

  5. Sistem Orde 2 • Sistem orde 2 : n : frekuensi alami tak teredam   d : frekuensi teredam  : rasio peredaman sistem  =  . n = pelemahan • Contoh sistem orde 2 : • Sistem kontrol posisi, sistem permukaan cairan dengan interaksi, sistem elektromekanik (motor dc), dll

  6. Garis besar • Sistem orde 1 • Step response • Karakteristik sistem orde 1 • Ramp response • Impulse response • Sistem orde 2 • Step response • Under damped, critically damped, over damped • Karakteristik sistem orde 2 • Ramp response • Impulse response

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