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    • 19. 发明授权
    • Method for determining a parameter characteristic of the fatigue state of a part
    • 确定零件的疲劳状态的参数特性的方法
    • US07712376B2
    • 2010-05-11
    • US11666384
    • 2005-10-26
    • Andreas BodeEdwin Gobrecht
    • Andreas BodeEdwin Gobrecht
    • G01M15/14
    • F01D21/00F02C9/00G01N2203/0073G01N2203/0224G01N2203/0244
    • A method for determining an approximate value for a parameter characteristic of the fatigue state of a component as a result of a time-varying stress to which it is subjected by means of a number of load cycles should, itself, during comparatively lengthy stress cycles, enable a prognosis concerning the current fatigue state of the component, this prognosis being, in particular, adapted to the needs and suited for the real-time determination of maintenance intervals. To this end, in addition to optionally already fully completed load cycles, a first partially completed load cycle is also taken into consideration during the determination of the parameter, whereby temporary stress values for phases that have not yet been run through of the partially completed load cycle are, together with a predetermined fixed value, taken into consideration.
    • 用于通过多个负载循环来对其作为时变应力的结果的部件的疲劳状态的参数特性的近似值进行确定的方法本身应当在比较长的应力循环期间, 使得能够对组件的当前疲劳状态进行预测,该预后尤其适合于需要并且适合于维持间隔的实时确定。 为此,除了可选地已经完全完成的负载循环之外,在确定参数期间也考虑到第一部分完成的负载循环,由此尚未经过部分完成的负载的相的临时应力值 考虑周期与预定的固定值。