PAWESTRI, DESTY AJENG (2017) ANALISIS SENSITIVITAS SISTEM KENDALI AKIBAT PERUBAHAN KOEFISIEN HIDRODINAMIKA PADA KAPAL PERANG KELAS SIGMA EXTENDED. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Dimensi kapal menentukan besarnya koefisien hidrodinamika. Performansi kestabilan kapal sangat bergantung pada koefisien hidrodinamika kapal. Performansi kestabilan kapal ditentukan oleh pengendali dan parameter model dinamika kapal. Tugas akhir ini melakukan analisis terhadap performansi kestabilan pengendali akibat perubahan dimensi panjang kapal. Perubahan dimensi kapal dilakukan dengan menambahkan panjang Lpp (Length per pendicular) dalam toleransi koefisien blok antara 0,4 sampai dengan 0,6. Model pengendali yang dirancang adalah PID dengan tunning terhadap gain pengendali menggunakan metode Ziegler-Nichols. Uji terhadap model dilakukan dengan metode root locus dan hasilnya menunjukkan bahwa sistem bersifat stabil. Uji terhadap pengendali dilakukan dengan set point sesuai standar IMO (International Maritime Organization) yaitu 20o dan 30o. Pengendalian PID yang telah dirancang didapatkan rentang nilai Kp, Ki, dan Kd dengan set point heading 20o yaitu 0,000274970 – 0,000238380; 0,000082597 – 0,000067669; 0,000402230 – 0,000384870. Rentang nilai Kp, Ki, dan Kd dengan set point heading 30o yaitu 0,00027505 – 0,00020104; 0,00008276 – 0,00003844; 0,00045293 – 0,0040142. Performansi sistem kendali dikatakan stabil karena nilai maximum overshootnya sudah sesuai dengan standar.
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Dimension of ship is determined by hydrodinamics coefficient. The stability of performance depend on hydrodinamics coefficient. That is determined by controller and dinamic ship models parameters. This final project is analyze the control stability of performance caused by the change of dimension of ship. The change of dimension of ship by adding the Lpp (Length per pendicular) in block coefficient tolerace are 0,4 until 0,6. Control mode designed is PID control by tunning the control gain use Ziegler-Nichols method. The model test use root locus method and the result is stable. The control test by input set point that suitable with IMO (International Maritime Organization) is 20o and 30o. PID control that designed obtained ranges value of Kp, Ki, and Kd with heading set point 20o is yaitu 0,000274970 – 0,000238380; 0,000082597 – 0,000067669; 0,000402230 – 0,000384870. The value ranges of Kp, Ki, and Kd with heading set point 30o is 0,00027505 – 0,00020104; 0,00008276 – 0,00003844; 0,00045293 – 0,00401425864. The stability performance system is stable because maximum overshoot from plant coressponding with standar.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Dimensi, KRI Diponegoro, pengendalian PID, performansi, Ziegler-Nichols Dimension, KRI Diponegoro, PID control, performance, Ziegler-Nichols |
| Subjects: | T Technology > TC Hydraulic engineering. Ocean engineering > TC1680 Offshore structures V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM293 Shipping--Indonesia--Safety measures |
| Divisions: | Faculty of Industrial Technology > Physics Engineering > 30201-(S1) Undergraduate Thesis |
| Depositing User: | - DESTY AJENG PAWESTRI |
| Date Deposited: | 27 Jan 2017 07:39 |
| Last Modified: | 08 Mar 2019 06:48 |
| URI: | http://repository.its.ac.id/id/eprint/3733 |
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