Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/112184
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dc.contributor.authorThibbotuwawa, N.en
dc.contributor.authorHoffmann, E.en
dc.contributor.authorGoonetilleke, R.en
dc.date.issued2012en
dc.identifier.citationErgonomics, 2012; 55(4):476-488en
dc.identifier.issn0014-0139en
dc.identifier.issn1366-5847en
dc.identifier.urihttp://hdl.handle.net/2440/112184-
dc.description.abstractPath length (A), path width (W) and movement direction (θ) are identified as the main factors affecting visually-controlled movement times in linear paths. Effects of A and W are well described by Drury's (1971 . Movements with lateral constraint. Ergonomics, 14 (2), 293-305.) model in which movement time is linearly related to the ratio of A/W. At low A/W values, departure from linearity has been identified but not investigated in detail. Data are presented for both open-loop and feedback-controlled movements in linear paths at 0, 60 and 150° movement directions. Movement amplitude and path width were varied over a wide range to determine the effects of A and (A/W) on movement time. Movements were found to be made ballistically or in open-loop mode when the ratio (A/W) was less than about 8 to 10 and the movement times were linearly related to √A for all angles of movement. Feedback-controlled movements followed Drury's law; ballistic movements had movement speed linear with √A. Practitioner Summary: Many tasks require manoeuvring equipment or devices through a path of limited width. These movements can be made with or without feedback control, depending on the path constraints. The conditions for the two forms of movement are determined in this research.en
dc.description.statementofresponsibilityNamal Thibbotuwawa, Errol R. Hoffmann and Ravindra S. Goonetillekeen
dc.language.isoenen
dc.publisherTaylor & Francisen
dc.rights© 2012 Taylor & Francisen
dc.subjectYoung Adult; Constrained path; Drury’s law; hand movement; movement time; movement speed; ballistic move; feedback control; visual control; open-loop controlen
dc.titleOpen-loop and feedback-controlled mouse cursor movements in linear pathsen
dc.typeJournal articleen
dc.identifier.rmid0030075207en
dc.identifier.doi10.1080/00140139.2011.644587en
dc.identifier.pubid369220-
pubs.library.collectionMedicine publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidThibbotuwawa, N. [0000-0001-9058-7949]en
Appears in Collections:Medicine publications

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