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    • 51. 发明授权
    • Deformable variable-stiffness cellular structures
    • 变形可变刚度细胞结构
    • US07678440B1
    • 2010-03-16
    • US11713560
    • 2007-03-01
    • Geoffrey P. McKnightChristopher P. Henry
    • Geoffrey P. McKnightChristopher P. Henry
    • B32B3/12B32B3/26C22F3/00B28B1/00
    • C22F3/00B32B3/26Y10S428/913Y10T428/24149Y10T428/249953Y10T428/254
    • Described is a deformable, variable-stiffness cellular structure. The cellular structure a group of unit cells with each unit cell having a cellular geometry. The group of unit cells are formed of a variable-stiffness composite material (VSM). The VSM has a first stiffness state and a second stiffness state. Additionally, the cellular structure has a first shape and a second shape, with a gradation of shapes between the first shape and second shape. The transition from the first shape to the second shape occurs through using an actuation signal to actuate the VSM to change the stiffness of the cellular structure, thereby allowing the cellular structure to be deformed from the first shape to the second shape, and any shape therebetween. The cellular structure can be locked in the second shape through actuating the VSM from the second stiffness state to the first stiffness state.
    • 描述了可变形,可变刚度的细胞结构。 蜂窝结构一组具有每个单元的单位单元具有细胞几何形状。 单元电池组由可变刚度复合材料(VSM)形成。 VSM具有第一刚度状态和第二刚度状态。 此外,细胞结构具有第一形状和第二形状,其具有第一形状和第二形状之间的形状的渐变。 从第一形状到第二形状的转变通过使用致动信号来致动VSM以改变多孔结构的刚度而发生,从而允许多孔结构从第一形状变形到第二形状,并且其间具有任何形状 。 通过将VSM从第二刚度状态驱动到第一刚度状态,蜂窝结构可以锁定在第二形状。