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Journal : IPTEK Journal of Proceedings Series

Analysis of The Dynamic Stability Positioning Control System of Semisubmersible Aulia siti Aisjah; Eko Budi Djatmiko; Riza Aris Hikmadiyar; Nur Kholis
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.495 KB) | DOI: 10.12962/j23546026.y2015i1.1142

Abstract

The semisubmersible offshore dynamics depend on the condition of the ocean environments. Disruption of forces and moments in the floating structure caused by environment factors, there are wind, waves and ocean currents. This disturbances will cause decreased stability of the structure. This situation will disrupt the process of oil and gas exploration. Currently exploration activities is success if the structure in the static condition and remain on. This condition needs a force or torque to counter the disruption caused by the environment. This paper proposes a control system and analyze the performance of response stability of dynamic positioning system (DPS). DPS will control in 3 Degree of Freedom (DOF) variables, there are: sway, roll and yaw. The structure of the DPS consists of controllers, sensors, actuators. Actuators are Thruster System and Power System. The strategic to maintain in DPS is Linear Quadratic (LQG) control. This method is one of optimal control which capable rejected wave interference. Some values control parameters, that are Q and R in the cost function, show the robustness of DPS.
Co-Authors Abdul Ghofur Abi Latiful Hakim Aditya Hidayatullah Al Amin, Muhammad Zakaria Alit Winiscoyo Angga S. Pambudi Arda Arda Ari Rizki Rivaldo Asmajuna, Helmi Arif Aulia Siti Aisjah Baharuddin Ali Billy Teguh kurniawan Cendrawani Cendrawani Dewinta Putri Cahyaningtyas Eka Wahyu Ardi Erdina Arianti Erwandi Erwandi Hafizh Muhammad Naufal Shidqi Haryo Dwito Armono Helmi Arif Asmajuna Heri Supomo Ignasius Krisna Armanda Jusuf Sutomo Khoiron Syamdatu Perdana Kunthi U.D. Prabawani Kurniati, Nani Madea Eka Silfiani Mahmud Mustain Mas Murtedjo Maulinna Kusumo Wardhani, Maulinna Kusumo Mirba H. Dwi Sa'dyah Mochamad Hanif Rafi’i Mochammad Afif Zahiru Fajar Muhamad Fadkhurrohman Aziz Muhammad Badrus Zaman Muhammad Badrus Zaman Muhammad Fajariansyah Ismail Murdjito Murdjito Murdjito Djatmiko Murdjito Murdjito Murdjito Prastianto Norman Mahdar Sabana Nur Kholis Nur Syahroni Nurman Firdaus Firdaus Octaviani, Maulidya Permana, Rizki Dian Pravitasari, Inneke Yulistanty Rachmadiarto, Fajar Rafliansyah Azhar Putera Revy Maghriza Riza Aris Hikmadiyar Rizki Haryono A. Rizky Arrico Farhan Rochani, Imam Rosyid, Daniel Mohammad Rudi Walujo Prastianto Sayuti Syamsuar Setyo Nugroho Setyo Nugroho Setyo Nugroho Setyo Nugroho Shade Rahmawati Subchan Subchan Sujantoko Sujantoko Supomo, Wikaranosa Wahyu Suryo Putro Wahyudi Wikaranosa Scotiandharu Supomo Wisnu Wardhana Wisnu Wardhana Wisnu Wardhana Wolfgang Busse Wolfgang Busse Wolfgang Busse Wolfgang Busse Yeyes Mulyadi Yunan Setiawan Suwandono