Disturbance Rejection Based on Equivalent-Input-Disturbance Approach for Dynamic Positioning System of Offshore Drilling Platform

被引：0
作者：
Ma, Zhejiaqi [1 ,2 ,3 ]
Lu, Chengda [1 ,2 ,3 ]
Du, Sheng [1 ,2 ,3 ]
Wu, Min [1 ,2 ,3 ]
机构：
[1] China Univ Geosci, Sch Automat, Wuhan 430074, Peoples R China
[2] Hubei Key Lab Adv Control & Intelligent Automat C, Wuhan 430074, Peoples R China
[3] Minist Educ, Engn Res Ctr Intelligent Technol Geoexplorat, Wuhan 430074, Peoples R China
来源：
2022 41ST CHINESE CONTROL CONFERENCE (CCC) | 2022年
基金：
中国国家自然科学基金;
关键词：
Dynamic positioning; equivalent input disturbance; offshore drilling platform; unknown time-varying disturbances; DESIGN; SHIPS;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A dynamic positioning disturbance suppression method is presented for the offshore drilling platform based on the equivalent input disturbance (EID) approach in this paper. Firstly, the offshore drilling platform's low-frequency and wavefrequency motion components are separated by the Luenberger observer. Then a linear-quadratic regulator is designed to ensure the stability of the low-frequency motion closed-loop system. The EID approach is used to estimate and compensate for the unknown time-varying disturbances of the environment, thereby improving the disturbance suppression ability of the system. Simulation results of a supply vessel demonstrate the validity of the method.
引用
收藏
页码：2115 / 2119
页数：5
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