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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Algorithmica 13 (1995), S. 539-552 
    ISSN: 1432-0541
    Keywords: Assembly planning ; Arrangement computation in the plane ; Separating polyhedra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract The problem of finding sequences of motions for the assembly of a given object consisting of polyhedral parts arises in assembly planning. We describe an algorithm to compute the set of all translations separating two polyhedra withn vertices inO(n4) steps and show that this is optimal. Given an assembly ofk polyhedra with a total ofn vertices, an extension of this algorithm identifies a valid translation and removable subassembly inO(k2n4) steps if one exists. Based on the second algorithm, a polynomial-time method for finding a complete assembly sequence consisting of single translations is derived. An implementation incorporates several changes to achieve better average-case performance; experimental results obtained for simple assemblies are described.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Der Orthopäde 26 (1997), S. 258-266 
    ISSN: 1433-0431
    Keywords: Schlüsselwörter Computersimulation ; Roboterunterstützung ; Knieprothetik ; Key words Computer-assisted planning ; Computer simulation ; Robotics ; Total knee replacement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary With the development of powerful computer systems, computer-assisted medical diagnosis and therapy have become common over the last 10 years. Even in the surgical field, computer- and robotic-assisted techniques are becoming practical but are not yet used on a daily basis. In the orthopaedic field, computer and robotic assistance is used in planning and performing demanding three-dimensional osteotomies, setting pedicle screws in the spine and milling the femoral medullary canal in total hip replacement. This article introduces a computer- and robotic-assisted system for performing arthroplasty in total knee replacement procedures.
    Notes: Zusammenfassung Mit der Entwicklung sehr leistungsfähiger Kleincomputer hat der Einzug von computerunterstützten Systemen in vielen Bereichen der operativen Medizin begonnen. In der Orthopädie werden diese Systeme zur Unterstützung bei komplexen Korrekturosteotomien, bei Pedikelbohrungen an der Wirbelsäule sowie bei der Implantation von Hüftendoprothesenschäften eingesetzt. Es wird ein System zur computerunterstützten Planung und intraoperativen Unterstützung in der Knieendoprothetik vorgestellt.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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