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    • 1. 发明授权
    • Shape design process of engineering products and pneumatic tire designed using the present design process
    • 使用本设计流程设计的工程产品和充气轮胎的形状设计过程
    • US06868716B2
    • 2005-03-22
    • US09893617
    • 2001-06-29
    • Toshihiko OkanoMasataka Koishi
    • Toshihiko OkanoMasataka Koishi
    • B60C3/00B60C19/00G06F17/50G01M17/02
    • B60C19/00B60C3/00
    • This invention provides a product shape designing process for designing an optimal product shape, particularly a pneumatic tire contor in a cross section, comprising the following steps. A shape generation step of setting plural basal shapes and linearly combining the basal shapes to generate plural sample product shapes, a performance evaluation step of obtaining evaluation values on a product performance of the sample product shapes generated in the shape generation step, and a product shape extraction step of extracting an optimal product shape whose evaluation value on the product performance is an optimal value based on the evaluation values on the product performance obtained in the performance evaluation step. This process realizes a smooth optimal tire contor that reduces rolling resistance coefficient while increasing lateral spring constant of the tire for good drivability.
    • 本发明提供一种用于设计最佳产品形状的产品形状设计过程,特别是横截面中的充气轮胎保持器,包括以下步骤。 一种形状生成步骤,其特征在于,设定多个基底形状,并且直线地组合所述基底形状以生成多个样本产品形状;获得所述形状生成步骤中生成的样本产品形状的产品性能的评价值的评价值以及产品形状 提取步骤,根据在评价步骤中得到的产品性能的评价值,提取其对产品性能的评价值为最佳值的最优产品形状。 该过程实现了平滑的最佳轮胎对手,其降低滚动阻力系数,同时增加轮胎的侧向弹簧常数以获得良好的驾驶性能。
    • 2. 发明授权
    • Method of evaluating contact characteristics, and computer product
    • 评估接触特性的方法和计算机产品
    • US07451637B2
    • 2008-11-18
    • US11172926
    • 2005-07-05
    • Masatoshi KuwajimaToshihiko Okano
    • Masatoshi KuwajimaToshihiko Okano
    • G01B5/28
    • G01N19/02
    • A method of evaluating contact characteristics of an object having a roughness includes setting geometric shape data for the roughness; creating a roughness model and a structure model that comes in contact with the roughness, based on the geometric shape data set; making the roughness model and the structure model come in contact with each other; acquiring a physical amount occurring at least one of a contact region of the roughness model and a contact region of the structure model; and obtaining an evaluation value for evaluating a real contact state in the contact region between the roughness model and the structure model, from the physical amount acquired.
    • 评估具有粗糙度的物体的接触特性的方法包括设置粗糙度的几何形状数据; 基于几何形状数据集创建粗糙度模型和与粗糙度接触的结构模型; 使粗糙度模型和结构模型相互接触; 获取出现所述粗糙度模型的接触区域和所述结构模型的接触区域中的至少一个的物理量; 以及从获得的物理量获得用于评估粗糙度模型和结构模型之间的接触区域中的实际接触状态的评估值。