1999
DOI: 10.1016/s0890-6955(98)00039-x
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Computation of stiffness and stiffness bounds for parallel link manipulators

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Cited by 191 publications
(88 citation statements)
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“…Several different expressions of stiffness have been used in the literature, including engineering stiffness, generalized stiffness matrix, and Cartesian stiffness matrix. The engineering stiffness is a one-dimensional stiffness expression obtained by evaluating the displacement in the same direction to the applied force [51]. The generalized stiffness matrix, according to Quennouelle and Gosselin [52], includes three contributions: stiffness of the unconstrained joints, stiffness due to dependent coordinated and internal wrench, and stiffness due to external wrench.…”
Section: Stiffnessmentioning
confidence: 99%
See 1 more Smart Citation
“…Several different expressions of stiffness have been used in the literature, including engineering stiffness, generalized stiffness matrix, and Cartesian stiffness matrix. The engineering stiffness is a one-dimensional stiffness expression obtained by evaluating the displacement in the same direction to the applied force [51]. The generalized stiffness matrix, according to Quennouelle and Gosselin [52], includes three contributions: stiffness of the unconstrained joints, stiffness due to dependent coordinated and internal wrench, and stiffness due to external wrench.…”
Section: Stiffnessmentioning
confidence: 99%
“…• (Minimum, average, or maximum) eigenvalues (and eigenvectors) of the stiffness matrix [51]. For example, the evaluation of minimum and maximum eigenvalues across the workspace by Li and Xu [56].…”
Section: Stiffnessmentioning
confidence: 99%
“…The stiffness maps of the workspace through Jacobian Matrix was established in (Gosselin, 1999), (Bi et al, 2007). The stiffness in X-, Y -and Z-directions were computed in (El-Khasawneh and Ferreira, 1999), where the minimum and maximum stiffness and directions in a given configuration were found through the eigenvectors analysis. An approach to get the stiffness model of a tripod-based PKM was presented in (Huang and Mei, 2001), where the machine structure is decomposed into two substructures: machine frame and parallel mechanism.…”
Section: Stiffnessmentioning
confidence: 99%
“…C. Gosselin [10][11] considered the weak rigidity of the machine transmission parts, established the Jacobi matrix between the work piece coordinate system and the machine coordinates transmission parts, use the principle of virtual work to establish an integrated processing system stiffness model. Wan Min [12] considers the processing error due to the deformation of work piece and tool generated, contralateral milling process of the tool relative to the work piece at any sampling point deformation analyzed and calculated by finite element method, and the results are used for error compensation.…”
Section: Introductionmentioning
confidence: 99%