期刊
MECHANISM AND MACHINE THEORY
卷 129, 期 -, 页码 316-335出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2018.07.011
关键词
Instantaneous invariants; Generalized Burmester points; Intrinsic geometry; Path generator mechanisms; Kinematics
This paper reports the algebraic derivations of the quintic polynomial equation whose solution gives the coordinates of generalized Burmester points (GBPs). Denoted with lambda(1) and lambda(2) the ratios of the first and second rate of change of curvature to curvature, respectively, the paths traced by GBPs have prescribed values of such ratios. When lambda(1) = lambda(2) = 0, GBPs reduce to the (four) classical Burmester points. Our derivations, based on the properties of Cesaro's intrinsic geometry, led to a concise algebraic form of such polynomial coefficients. This availability allows expanding the field of application of Bottema's instantaneous invariants in higher-order mechanical approximation of any algebraic or parametric curve. (C) 2018 Elsevier Ltd. All rights reserved.
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