{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T10:49:21Z","timestamp":1770979761210,"version":"3.50.1"},"reference-count":33,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2021,6,26]],"date-time":"2021-06-26T00:00:00Z","timestamp":1624665600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the National Key Research and Development Program of China","award":["No. 2016YFB0501201"],"award-info":[{"award-number":["No. 2016YFB0501201"]}]},{"name":"the National Natural Science Foundation of China (NSFC)","award":["No. 51827806"],"award-info":[{"award-number":["No. 51827806"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>CubeSats have been widely used in remote sensing applications such as global coverage, hotspots revisited, etc. However, due to the strict size limitation, the high-accuracy measuring instruments such as star tracker are too large to be applied in CubeSat, thus causing insufficient accuracy in satellite attitude and image positioning. In order to reduce the volume of star tracker without compromising the performance, the relationship between the volume and pointing accuracy or dynamic performance is studied and an optimization model of star tracker with a minimum volume is proposed. Compared with the traditional star tracker, a deployable star tracker with a novel deployable baffle and surrounded circuit structure is designed. The baffle consists of nested three-stage sub-baffles with a scientifically analyzed and verified taper to achieve smooth deployment and compression. The special circuit structure surrounds the lens and can be compressed in the inner sub-baffle. Therefore, the deployable star tracker can be compressed to the smallest volume and the sub-baffles can be deployed to the accurate position without self-lock risk. The experimental results verify its deployment accuracy and reliability as well as space environmental adaptability. The deployable star tracker has almost the same results on stray light suppression ability, pointing accuracy (better than 3\u2033 (3\u03c3)) and dynamic performance (up to 3\u00b0\/s) with the traditional star tracker. Furthermore, an integrated attitude determination and control system based on the deployable star tracker for CubeSat is further designed and implemented to support high-accuracy remote sensing.<\/jats:p>","DOI":"10.3390\/rs13132503","type":"journal-article","created":{"date-parts":[[2021,6,27]],"date-time":"2021-06-27T23:57:22Z","timestamp":1624838242000},"page":"2503","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["A Compressed and High-Accuracy Star Tracker with On-Orbit Deployable Baffle for Remote Sensing CubeSats"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9220-0656","authenticated-orcid":false,"given":"Xinyuan","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Precision Instrument, Tsinghua University, Beijing 100084, China"},{"name":"State Key Laboratory of Precision Measurement Technology and Instrument, Tsinghua University, Beijing 100084, China"},{"name":"Beijing Innovation Center for Future Chips, Tsinghua University, Beijing 100084, China"}]},{"given":"Fei","family":"Xing","sequence":"additional","affiliation":[{"name":"Department of Precision Instrument, Tsinghua University, Beijing 100084, China"},{"name":"State Key Laboratory of Precision Measurement Technology and Instrument, Tsinghua University, Beijing 100084, China"},{"name":"Beijing Innovation Center for Future Chips, Tsinghua University, Beijing 100084, China"}]},{"given":"Shaoyan","family":"Fan","sequence":"additional","affiliation":[{"name":"Department of Precision Instrument, Tsinghua University, Beijing 100084, China"},{"name":"State Key Laboratory of Precision Measurement Technology and Instrument, Tsinghua University, Beijing 100084, China"},{"name":"Beijing Innovation Center for Future Chips, Tsinghua University, Beijing 100084, China"}]},{"given":"Zheng","family":"You","sequence":"additional","affiliation":[{"name":"Department of Precision Instrument, Tsinghua University, Beijing 100084, China"},{"name":"State Key Laboratory of Precision Measurement Technology and Instrument, Tsinghua University, Beijing 100084, China"},{"name":"Beijing Innovation Center for Future Chips, Tsinghua University, Beijing 100084, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,6,26]]},"reference":[{"key":"ref_1","first-page":"112","article-title":"Multi-and hyperspectral geologic remote sensing: A review","volume":"14","author":"Hecker","year":"2012","journal-title":"Int. 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