{"title":"Configuration acquisition of gravitational wave detector based on differential geometry guidance","authors":"Xianda Liu , Yunhe Meng","doi":"10.1016/j.actaastro.2025.02.040","DOIUrl":null,"url":null,"abstract":"<div><div>This paper studies the configuration acquisition problem of the TianQin space gravitational wave detector. For the characteristics of the TianQin gravitational wave detector configuration, such as large scale, high precision requirements, and small upper limit of thrust, firstly, the large-scale configuration acquisition problem is transformed into a small-scale rendezvous problem using the virtual formation idea. Then, using the differential geometry guidance method, high-precision, and rapid rendezvous is achieved through continuous small thrust, and the process of achieving configuration acquisition through collaborative optimization using genetic algorithms is designed. Finally, the influence of differential geometry guidance law parameters on rendezvous performance is analyzed through simulation, and the feasibility of collaborative optimization to achieve configuration acquisition is verified.</div></div>","PeriodicalId":44971,"journal":{"name":"Acta Astronautica","volume":"231 ","pages":"Pages 134-147"},"PeriodicalIF":3.4000,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Astronautica","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0094576525001274","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/25 0:00:00","PubModel":"Epub","JCR":"Q1","JCRName":"ENGINEERING, AEROSPACE","Score":null,"Total":0}
引用次数: 0
Abstract
This paper studies the configuration acquisition problem of the TianQin space gravitational wave detector. For the characteristics of the TianQin gravitational wave detector configuration, such as large scale, high precision requirements, and small upper limit of thrust, firstly, the large-scale configuration acquisition problem is transformed into a small-scale rendezvous problem using the virtual formation idea. Then, using the differential geometry guidance method, high-precision, and rapid rendezvous is achieved through continuous small thrust, and the process of achieving configuration acquisition through collaborative optimization using genetic algorithms is designed. Finally, the influence of differential geometry guidance law parameters on rendezvous performance is analyzed through simulation, and the feasibility of collaborative optimization to achieve configuration acquisition is verified.
期刊介绍：
Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to:
The peaceful scientific exploration of space,
Its exploitation for human welfare and progress,
Conception, design, development and operation of space-borne and Earth-based systems,
In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.
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