{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T05:06:46Z","timestamp":1773896806424,"version":"3.50.1"},"reference-count":39,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2022,9,21]],"date-time":"2022-09-21T00:00:00Z","timestamp":1663718400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100010665","name":"H2020 Marie Sk\u0142odowska-Curie Actions","doi-asserted-by":"publisher","award":["764977"],"award-info":[{"award-number":["764977"]}],"id":[{"id":"10.13039\/100010665","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003725","name":"National Research Foundation of Korea","doi-asserted-by":"publisher","award":["2022R1C1C1007338"],"award-info":[{"award-number":["2022R1C1C1007338"]}],"id":[{"id":"10.13039\/501100003725","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Intelligent Systems"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:sec><jats:label\/><jats:p>Chemically driven micromotors display unpredictable trajectories due to the rotational Brownian motion interacting with the surrounding fluid molecules. This hampers the practical applications of these tiny robots, particularly where precise control is a requisite. To overcome the rotational Brownian motion and increase motion directionality, robots are often decorated with a magnetic composition and guided by an external magnetic field. However, despite the straightforward method, explicit analysis and modeling of their motion have been limited. Here, catalytic Janus micromotors are fabricated with distinct magnetizations and a controlled self\u2010propelled motion with magnetic steering is shown. To analyze their dynamic behavior, a dynamic model that can successfully predict the trajectory of micromotors in uniform viscous flows in real time by incorporating a form of state\u2010dependent\u2010coefficient with a robust two\u2010stage Kalman filter is theoretically developed. A good agreement is observed between the theoretically predicted dynamics and experimental observations over a wide range of model parameter variations. The developed model can be universally adopted to various designs of catalytic micro\u2010\/nanomotors with different sizes, geometries, and materials, even in diverse fuel solutions. Finally, the proposed model can be used as a platform for biosensing, detecting fuel concentration, or determining small\u2010scale motors\u2019 propulsion mechanisms in an unknown environment.<\/jats:p><\/jats:sec>","DOI":"10.1002\/aisy.202200192","type":"journal-article","created":{"date-parts":[[2022,9,21]],"date-time":"2022-09-21T23:31:09Z","timestamp":1663803069000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Motion Analysis and Real\u2010Time Trajectory Prediction of Magnetically Steerable Catalytic Janus Micromotors"],"prefix":"10.1002","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5020-873X","authenticated-orcid":false,"given":"Jiaen","family":"Wu","sequence":"first","affiliation":[{"name":"Multi-Scale Robotics Lab Institute of Robotics and Intelligent Systems ETH Zurich  Tannenstrasse 3 CH 8092 Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9430-6091","authenticated-orcid":false,"given":"David","family":"Folio","sequence":"additional","affiliation":[{"name":"PRISME Laboratory INSA Centre Val de Loire University of Orleans  EA 4229 Bourges France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiawei","family":"Zhu","sequence":"additional","affiliation":[{"name":"Multi-Scale Robotics Lab Institute of Robotics and Intelligent Systems ETH Zurich  Tannenstrasse 3 CH 8092 Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bumjin","family":"Jang","sequence":"additional","affiliation":[{"name":"Department of Robotics Hanyang University  ERICA Campus Ansan-si 15588 Republic of Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiangzhong","family":"Chen","sequence":"additional","affiliation":[{"name":"Multi-Scale Robotics Lab Institute of Robotics and Intelligent Systems ETH Zurich  Tannenstrasse 3 CH 8092 Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junxiao","family":"Feng","sequence":"additional","affiliation":[{"name":"Department of Materials ETH Zurich  Honggerbergring 64 CH 8093 Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0031-9217","authenticated-orcid":false,"given":"Pietro","family":"Gambardella","sequence":"additional","affiliation":[{"name":"Department of Materials ETH Zurich  Honggerbergring 64 CH 8093 Zurich Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jordi","family":"Sort","sequence":"additional","affiliation":[{"name":"Departament de F\u00edsica Universitat Aut\u00f2noma de Barcelona  08193 Bellaterra Spain"},{"name":"Instituci\u00f3 Catalana de Recerca i Estudis Avan\u00e7ats (ICREA)  Pg. 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