{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T09:54:07Z","timestamp":1760608447294,"version":"3.33.0"},"reference-count":12,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2007,3,13]],"date-time":"2007-03-13T00:00:00Z","timestamp":1173744000000},"content-version":"vor","delay-in-days":4181,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Robotic Syst."],"published-print":{"date-parts":[[1995,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In recent years, researchers have been dedicated to the study of underactuated manipulators, which have more joints than control actuators. In previous work, researchers always assumed that there was enough dynamic coupling between the active and the passive joints of the manipulator for it to be possible to control the position of the passive joints via the dynamic coupling. In this work, the authors aim to develop an index to measure the dynamic coupling, so as to address when control of the under\u2010actuated system is possible, and how the motion and robot configuration can be designed. We discuss extensively the nature of the dynamic coupling and of the proposed coupling index, and their applications in the analysis and design of underactuated systems, through a detailed mathematical analysis and several illustrative examples. \u00a9<jats:italic>1995 John Wiley &amp; Sons, Inc.<\/jats:italic><\/jats:p>","DOI":"10.1002\/rob.4620121006","type":"journal-article","created":{"date-parts":[[2007,7,6]],"date-time":"2007-07-06T16:54:36Z","timestamp":1183740876000},"page":"693-707","source":"Crossref","is-referenced-by-count":44,"title":["A dynamic coupling index for underactuated manipulators"],"prefix":"10.1002","volume":"12","author":[{"given":"Marcel","family":"Bergerman","sequence":"first","affiliation":[]},{"given":"Christopher","family":"Lee","sequence":"additional","affiliation":[]},{"given":"Yangsheng","family":"Xu","sequence":"additional","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2007,3,13]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"crossref","unstructured":"G.OrioloandY.Nakamura \u201cControl of mechanical manipulators with second\u2010order non\u2010holonomic constraints: Underactuated manipulators \u201dProc. IEEE Cowf. Decis. Control December1991 pp.2398\u20132403.","DOI":"10.1109\/CDC.1991.261620"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/70.258049"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1109\/70.86082"},{"key":"e_1_2_1_5_2","doi-asserted-by":"crossref","unstructured":"M.BergermanandY.Xu \u201cRobust control of underactuated manipulators: Analysis and implementation \u201dProc. IEEE Conf. Syst. Man Cybern. October1994.","DOI":"10.21236\/ADA282836"},{"key":"e_1_2_1_6_2","first-page":"1485","article-title":"Failure recovery control for space robotic systems","volume":"2","author":"Papadopoulos E.","year":"1991","journal-title":"Proc. Am. Control Conf."},{"volume-title":"Introduction to Robotics: Mechanisms and Control","year":"1989","author":"Craig J. 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