M. A. Wesley, T. Lozano-Perez, L. I. Lieberman, M. A. Lavin, and D. Grossman, "A Geometric Modeling System for Automated Mechanical Assembly, " IBM Journal of Research and Development, Vol. 24, No. 1, January 1980, pp. 64-74.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....parts and products have also been separately studied. Many researchers concede that a feature based representation of geometry is most appropriate for engineering applications (Walske 1988) The idea of specifying high level relationships among components has been described by Wesley et al. (Wesley et al. 1980). Lee and Gossard (Lee and Gossard 1985) have suggested the use of mating conditions such as against and fits to express the relationships inside an assembly. Rocheleau and Lee (Rocheleau and Lee 1987) have shown how assemblies could be represented in a hierarchical tree structure, and each ....

Wesley, M. A., Lozano-Perez, T., Lieberman, L., Lavin, M. A., and Grossman, D. D. (1980). "A Geometric Modeling System for Automated Mechanical Assembly." IBM Journal Res. Dev., 24, 64-71.

....Perform the same for all faces of A. 4. Assemble all the faces into the new solid. 1.1. 1 Boundary Evaluation Techniques Polyhedral solids: Algorithms for performing Boolean operations on polyhedra in B rep have been proposed by a number of researchers [Bra75, Hil82, Man86, OKK73, Voe74, Wes80] Most of these techniques rely heavily on the algebraic formulation of the problem. Cameron [Cam85] considers several strategies and redundancy tests to propagate approximations of CSG primitives from the root of the CSG tree down to the leaves, and possibly refining them on the way. Rossignac ....

....Baumgart [Bau75] Many variants of the method, and other alternatives, have been proposed and used in B rep modeling systems since then. A complete survey of topological structures in solid modeling is given in [Wei86] The use of non manifold boundary representations was first proposed by Wesley [Wes80] Weiler [Wei85, Wei86] observed that a number of geometric operations on polyhedra simplify when non manifold structures are permitted. Paoluzzi et al. PRS86] implement Boolean operations on B rep solids by using only triangular faces for their polyhedra. Laidlaw et al. LTH86] describes ....

M. Wesley. A geometric modeling system for automated mechanical assembly. IBM Journal of Research and Development 24, pages 64--74, 1980.

....or connective models of assembly [6] The assemblies are usually modeled as undirected graphs where the nodes represent the parts and the arcs represent the geometric relations between them. The arcs can have annotations such as P (Part of) A (Attachment) C (Constraint) AS (Assembly) etc. [35]. The actual part or subassembly position can be represented by a coordinate transformation matrix, which is the result 17 A B C D E Figure 5: A relational representation of the assembly of Figure 2 of a set of six rigid motions three translational and three rotational. Figure 5 provides a ....

M.A. Wesley, T. Lozano-Perez, L.I. Lieberman, M.A. Lavin, and D.D. Grossman. A geometric modeling system for automated mechanical assembly. IBM Journal of Research and Development, 24(1):64--74, 1980.

....3. Perform the same for all faces of B. 4. Assemble all the faces into the new solid. 1.2. 1 Boundary Evaluation Techniques Polyhedral solids: Algorithms for performing Boolean operations on polyhedra 8 in B rep have been proposed by a number of researchers [Bra75, Hil82, Man86, OKK73, Voe74, Wes80] Most of these techniques rely heavily on the algebraic formulation of the problem. Cameron [Cam85] considers several strategies and redundancy tests to propagate approximations of CSG primitives from the root of the CSG tree down to the leaves, and possibly refining them on the way. Rossignac ....

....Baumgart [Bau75] Many variants of the method, and other alternatives, have been proposed and used in B rep modeling systems since then. A complete survey of topological structures in solid modeling is given in [Wei86] The use of non manifold boundary representations was first proposed by Wesley [Wes80] Weiler [Wei85, Wei86] observed that a number of geometric operations on polyhedra simplify when non manifold structures are permitted. Paoluzzi et al. PRS86] implement Boolean operations on B rep solids by using only triangular faces for their polyhedra. Laidlaw et al. LTH86] describes ....

M. Wesley. A geometric modeling system for automated mechanical assembly. IBM Journal of Research and Development 24, pages 64--74, 1980.

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M. A. Wesley, T. Lozano-Perez, L. I. Lieberman, M. A. Lavin, and D. Grossman, "A Geometric Modeling System for Automated Mechanical Assembly, " IBM Journal of Research and Development, Vol. 24, No. 1, January 1980, pp. 64-74.

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M. Wesley. A geometric modeling system for automated mechanical assembly. IBM Journal of Research and Development 24, pages 64--74, 1980.

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M. Wesley. A geometric modeling system for automated mechanical assembly. IBM Journal of Research and Development 24, pages 64#74, 1980.

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M. Wesley. A geometric modeling system for automated mechanical assembly. IBM Journal of Research and Development 24, pages 64--74, 1980. 40

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