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Design optimization system and method

  • US 7,756,688 B2
  • Filed: 05/09/2005
  • Issued: 07/13/2010
  • Est. Priority Date: 05/10/2004
  • Status: Active Grant
First Claim
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1. A method of manufacturing a mechanical part, comprising:

  • (a) constructing a system model for a mechanical system having the mechanical part and at least one other mechanical part of the mechanical system, the system model comprised of multiple subsystem models including a given subsystem model that includes the mechanical part;

    (b) evaluating the system model using initial subsystem designs and extracting interactions between the given subsystem model and other subsystems models;

    (c) updating the interactions for the given subsystem model;

    (d) performing subsystem design optimization on the given subsystem model using the subsystem model and most recently updated interactions while varying magnitude of stochastic variability on the interactions in a range on the order of 5% to 20% during the subsystem design optimization, thereby obtaining an updated subsystem design; and

    (e) manufacturing the mechanical part based on the updated subsystem design.

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