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The convex decomposition of the skeletal socket enabled the simulation of the dislocation behavior. The kinematic simulation determines the ligaments\u2019 maximum length depending on the desired joint motion. The designed ligaments were suggested to prevent excessive dislocation in the simulation even when the motor output was off. The comparative simulation analysis also indicated that socket depth, active stabilizer, and passive stabilizer had different contributions for dislocation prevention and recovery. Future work includes the experimental verification of the proposed open hip joint architecture.<\/jats:p>","DOI":"10.1088\/1748-3190\/aea5c3","type":"journal-article","created":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T22:52:51Z","timestamp":1789080771000},"page":"056013","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Dislocation analysis on bio-inspired open hip joint with active-and-passive stabilizers"],"prefix":"10.1088","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1920-3716","authenticated-orcid":true,"given":"Shinsuke","family":"Nakashima","sequence":"first","affiliation":[{"name":"The University of Tokyo"},{"name":"Technical University of Munich"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"conceptualization","vocabulary":"credit"},{"role":"data-curation","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"funding-acquisition","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"methodology","vocabulary":"credit"},{"role":"software","vocabulary":"credit"},{"role":"validation","vocabulary":"credit"},{"role":"visualization","vocabulary":"credit"},{"role":"writing-original-draft","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6688-6356","authenticated-orcid":true,"given":"Yilun","family":"Sun","sequence":"additional","affiliation":[{"name":"Technical University of Munich"},{"name":"Tongji University"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"conceptualization","vocabulary":"credit"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"methodology","vocabulary":"credit"},{"role":"resources","vocabulary":"credit"},{"role":"software","vocabulary":"credit"},{"role":"supervision","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7641-2632","authenticated-orcid":false,"given":"Qi","family":"An","sequence":"additional","affiliation":[{"name":"The University of Tokyo"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"data-curation","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1280-069X","authenticated-orcid":true,"given":"Atsushi","family":"Yamashita","sequence":"additional","affiliation":[{"name":"The University of Tokyo"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"conceptualization","vocabulary":"credit"},{"role":"funding-acquisition","vocabulary":"credit"},{"role":"investigation","vocabulary":"credit"},{"role":"project-administration","vocabulary":"credit"},{"role":"resources","vocabulary":"credit"},{"role":"supervision","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8949-5764","authenticated-orcid":false,"given":"Tim C","family":"Lueth","sequence":"additional","affiliation":[{"name":"Technical University of Munich"}],"role":[{"vocabulary":"crossref","role":"author"},{"role":"formal-analysis","vocabulary":"credit"},{"role":"project-administration","vocabulary":"credit"},{"role":"resources","vocabulary":"credit"},{"role":"software","vocabulary":"credit"},{"role":"supervision","vocabulary":"credit"},{"role":"writing-review-editing","vocabulary":"credit"}]}],"member":"266","published-online":{"date-parts":[[2026,10,7]]},"reference":[{"key":"bbaea5c3bib1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-025-32165-w","type":"journal-article","article-title":"Development of a compliant spine mechanism for enhanced humanoid robotics locomotion","volume":"15","author":"Ali","year":"2025","journal-title":"Sci. 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