By Luiz S. Homem de Mello, Sukhan Lee (auth.), Luiz S. Homem de Mello, Sukhan Lee (eds.)
Some two decades have elapsed because the first makes an attempt at making plans have been made by way of researchers in man made intelligence. those early courses focused on the advance of plans for the answer of puzzles or toy difficulties, just like the rearrangement of stacks of blocks. those early courses supplied the root for the paintings defined during this ebook, the automated iteration of plans for business meeting. As one reads concerning the complicated and complex planners within the present gen eration, it is very important do not forget that they're addressing real-world difficulties. even supposing those structures may perhaps turn into the "toy" platforms of tomor row, they're offering a superb starting place for destiny, extra normal and extra complex making plans instruments. As tested by means of the papers during this ebook, the sector of computer-aided mechanical meeting making plans is maturing. It now could comprise: • geometric descriptions of components extracted from or appropriate with CAD courses; • constraints regarding half interference and using instruments; • furnishings and jigs required for the meeting; • the character of connectors, matings and different family among components; • variety of turnovers required through the meeting; • dealing with and gripping necessities for varied components; • automated id of subassemblies. this isn't an exhaustive checklist, however it serves to demonstrate the complexity of a few of the problems that are mentioned during this publication. Such concerns needs to be thought of within the layout of the fashionable planners, as they produce fascinating meeting sequences and priority kinfolk for assembly.
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Extra resources for Computer-Aided Mechanical Assembly Planning
All of these geometric constraints can be expressed as (often non-linear) equations on the natural pose parameters of surface features. Mating relations between surface features can be described by static geometric constraints such as those just discussed. For example, "against" and "fits" conditions, which are equivalent to coplanarity and coaxiality for planar and cylindrical features, have been used in the RAPT system [1, 29] and in [21, 22]. Static constraints typically do not fix all of the degrees of freedom of a feature.
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