Event-triggered synchronization anti-disturbance control method for ship replenishment
ObjectiveThis paper investigates the synchronization control problem for supply and supplied ships during underway replenishment in a constantly time-varying ocean environment while considering the ocean environmental disturbances induced by wind, waves and currents, and the interaction effects betw...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Editorial Office of Chinese Journal of Ship Research
2024-10-01
|
| Series: | Zhongguo Jianchuan Yanjiu |
| Subjects: | |
| Online Access: | http://www.ship-research.com/en/article/doi/10.19693/j.issn.1673-3185.03440 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850193103955165184 |
|---|---|
| author | Xin HU Qingtao GONG Guibing ZHU Guojie HAN Yuan WANG |
| author_facet | Xin HU Qingtao GONG Guibing ZHU Guojie HAN Yuan WANG |
| author_sort | Xin HU |
| collection | DOAJ |
| description | ObjectiveThis paper investigates the synchronization control problem for supply and supplied ships during underway replenishment in a constantly time-varying ocean environment while considering the ocean environmental disturbances induced by wind, waves and currents, and the interaction effects between ships and their soft connections. It then proposes an event-triggered synchronization anti-disturbance control method based on disturbance estimation and compensation.MethodThe first-order Markov process is used to describe the ocean environmental disturbances induced by waves, wind and currents that affect the supply ship, as well as the unmodeled dynamics. The interaction effects between the ships and their soft connections are included in the unmodeled dynamics. The online disturbance observer estimates time-varying unknown bounded disturbances which are compensated for in the control design using disturbance estimates. The auxiliary dynamic system helps to reduce the control saturation effects on anti-disturbance control. The event-triggered mechanism reduces the execution frequencies of control signals to avoid the excessive wear of the thrusters.ResultsA simulation of a supply ship using the event-triggered control method shows the existence of a minimum sampling interval greater than 0 and the inability to trigger infinitely in a finite time. The controller can achieve synchronous navigation between supply and supplied ships while ensuring the global uniform ultimate boundedness of all closed-loop control signals.ConclusionThe simulation results validate the effectiveness of the proposed event-triggered disturbance estimation and compensation control method. |
| format | Article |
| id | doaj-art-68a75cc4d9804dedbfe124a60af7c445 |
| institution | OA Journals |
| issn | 1673-3185 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Editorial Office of Chinese Journal of Ship Research |
| record_format | Article |
| series | Zhongguo Jianchuan Yanjiu |
| spelling | doaj-art-68a75cc4d9804dedbfe124a60af7c4452025-08-20T02:14:20ZengEditorial Office of Chinese Journal of Ship ResearchZhongguo Jianchuan Yanjiu1673-31852024-10-01195879410.19693/j.issn.1673-3185.03440ZG3440Event-triggered synchronization anti-disturbance control method for ship replenishmentXin HU0Qingtao GONG1Guibing ZHU2Guojie HAN3Yuan WANG4School of Mathematics and Statistics, Ludong University, Yantai 264025, ChinaUlsan Ship and Ocean College, Ludong University, Yantai 264025, ChinaSchool of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, ChinaSchool of Hydraulic and Civil Engineering, Ludong University, Yantai 264025, ChinaYantai Science and Technology Innovation Promotion Center, Yantai 264003, ChinaObjectiveThis paper investigates the synchronization control problem for supply and supplied ships during underway replenishment in a constantly time-varying ocean environment while considering the ocean environmental disturbances induced by wind, waves and currents, and the interaction effects between ships and their soft connections. It then proposes an event-triggered synchronization anti-disturbance control method based on disturbance estimation and compensation.MethodThe first-order Markov process is used to describe the ocean environmental disturbances induced by waves, wind and currents that affect the supply ship, as well as the unmodeled dynamics. The interaction effects between the ships and their soft connections are included in the unmodeled dynamics. The online disturbance observer estimates time-varying unknown bounded disturbances which are compensated for in the control design using disturbance estimates. The auxiliary dynamic system helps to reduce the control saturation effects on anti-disturbance control. The event-triggered mechanism reduces the execution frequencies of control signals to avoid the excessive wear of the thrusters.ResultsA simulation of a supply ship using the event-triggered control method shows the existence of a minimum sampling interval greater than 0 and the inability to trigger infinitely in a finite time. The controller can achieve synchronous navigation between supply and supplied ships while ensuring the global uniform ultimate boundedness of all closed-loop control signals.ConclusionThe simulation results validate the effectiveness of the proposed event-triggered disturbance estimation and compensation control method.http://www.ship-research.com/en/article/doi/10.19693/j.issn.1673-3185.03440synchronization navigationdisturbance estimationvectorial backsteppingauxiliary dynamic systemevent-triggering |
| spellingShingle | Xin HU Qingtao GONG Guibing ZHU Guojie HAN Yuan WANG Event-triggered synchronization anti-disturbance control method for ship replenishment Zhongguo Jianchuan Yanjiu synchronization navigation disturbance estimation vectorial backstepping auxiliary dynamic system event-triggering |
| title | Event-triggered synchronization anti-disturbance control method for ship replenishment |
| title_full | Event-triggered synchronization anti-disturbance control method for ship replenishment |
| title_fullStr | Event-triggered synchronization anti-disturbance control method for ship replenishment |
| title_full_unstemmed | Event-triggered synchronization anti-disturbance control method for ship replenishment |
| title_short | Event-triggered synchronization anti-disturbance control method for ship replenishment |
| title_sort | event triggered synchronization anti disturbance control method for ship replenishment |
| topic | synchronization navigation disturbance estimation vectorial backstepping auxiliary dynamic system event-triggering |
| url | http://www.ship-research.com/en/article/doi/10.19693/j.issn.1673-3185.03440 |
| work_keys_str_mv | AT xinhu eventtriggeredsynchronizationantidisturbancecontrolmethodforshipreplenishment AT qingtaogong eventtriggeredsynchronizationantidisturbancecontrolmethodforshipreplenishment AT guibingzhu eventtriggeredsynchronizationantidisturbancecontrolmethodforshipreplenishment AT guojiehan eventtriggeredsynchronizationantidisturbancecontrolmethodforshipreplenishment AT yuanwang eventtriggeredsynchronizationantidisturbancecontrolmethodforshipreplenishment |