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    • 1. 发明专利
    • タイヤの接地面の解析方法、タイヤ特性予測方法及びプログラム
    • 轮胎接地面分析方法,轮胎性质预测方法及程序
    • JP2015059922A
    • 2015-03-30
    • JP2013195955
    • 2013-09-20
    • 横浜ゴム株式会社Yokohama Rubber Co Ltd:The
    • MIYASHITA NAOSHISHINODA ZENICHIRO
    • G01M17/02B60C19/00
    • 【課題】タイヤの接地面の解析を接地面画像を用いて行うとき、短時間に接地面内のトレッド部の有するブロック剛性の情報を算出する。【解決手段】タイヤの接地面の解析を接地面画像を用いて行うとき、タイヤの接地面のデジタル画像である接地面画像を取得する。この後、取得した接地面画像を解析対象画像として用いて、前記解析対象画像のトレッド部の接地部分を表す実接地領域から、前記実接地領域の他にタイヤのトレッド部の溝の領域を含んだ総接地領域を決定する。この後、前記総接地領域において、前記解析対象画像の画素配列方向に直線状に延びる画素列で構成された複数の直線を用いて前記実接地領域を特定することにより、前記タイヤのトレッド部のブロック剛性の情報を算出する。【選択図】図3
    • 要解决的问题:为了在通过使用接地面图像分析轮胎的接地面时计算出在短时间内在地面中的胎面部的块刚度的信息。解决方案:分析接地面的接地面的方法 通过使用接地面图像的轮胎包括以下步骤:获取作为轮胎的接地面的数字图像的接地面图像; 通过使用所获取的接地面图像作为分析对象图像,确定包括表示分析对象图像中的胎面部的接地部的实际接地面积和轮胎的胎面部的槽的面积的总接地面积 除了实际接地面积外; 通过使用包括在分析对象图像中的像素排列方向上线性延伸的像素列的多条直线来指定总接地区域中的实际接地面积,以计算关于轮胎的胎面部分的块刚度的信息。
    • 2. 发明专利
    • トレッドゴムの摩擦係数の算出方法、タイヤ特性の算出方法、トレッドゴムの摩擦係数の算出装置、及びプログラム
    • 轮胎摩擦系数的计算方法,轮胎特性的计算方法,橡胶摩擦系数的计算装置和程序
    • JP2015016756A
    • 2015-01-29
    • JP2013144518
    • 2013-07-10
    • 横浜ゴム株式会社Yokohama Rubber Co Ltd:The
    • MIYASHITA NAOSHI
    • B60C19/00
    • 【課題】非転動のタイヤの既存の室内試験データから、タイヤのμ-S特性にとって重要なタイヤの摩擦係数の値を算出する。【解決手段】タイヤのトレッドゴムの摩擦係数を算出するとき、タイヤを床面に押し付けた状態で、タイヤに対して、タイヤ周方向、タイヤ幅方向、あるいは、タイヤ捩り方向に変位を与えることにより、前記変位に対する前記床面に発生する力もしくはトルクの計測データを取得する。この後、前記タイヤの接地面を区分けした各領域が前記床面に対して滑りを開始する条件を定めた解析モデルを用いて、前記領域毎に算出される前記床面に働く推定力もしくは推定トルクを合計した結果が、前記計測データに一致するように、前記解析モデルで用いるトレッドゴムの摩擦係数のパラメータの値を、前記タイヤのトレッドゴムの摩擦係数として算出する。【選択図】図1
    • 要解决的问题:根据现有的非滚动轮胎的室内试验数据计算对于轮胎的μ-S特性重要的轮胎的摩擦系数的值。解算:当计算摩擦系数 通过在轮胎周向,轮胎宽度方向或轮胎扭转方向上赋予轮胎的位移来获取轮胎胎面橡胶的位移,通过在轮胎的周向,轮胎宽度方向或轮胎扭转方向上赋予轮胎的位移,获得在地面上相对于位移产生的力或扭矩的测量数据 在轮胎被压靠在地板面上的状态下。 之后,通过使用分析模型计算分析模型中使用的胎面橡胶的摩擦系数的参数值作为轮胎的胎面橡胶的摩擦系数,该分析模型定义了通过将 轮胎的接地面开始相对于地板面滑动,从而在每个区域计算出的作用在地面上的估计力或估计转矩之和的结果与测量数据一致。
    • 3. 发明专利
    • Method for designing golf club head and golf club head
    • 设计高尔夫球杆头和高尔夫球杆头的方法
    • JP2013222284A
    • 2013-10-28
    • JP2012092711
    • 2012-04-16
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • SUZUKI NOBUONAKAHARA NORIHIKOMIYASHITA NAOSHIISAMU SHINJI
    • G06F17/50A63B53/04
    • PROBLEM TO BE SOLVED: To obtain design data of a golf club head which is suitable for mass production from design plan data having a plurality of irregularities.SOLUTION: A design method of a golf club head includes: generating a finite element model for reproducing a golf club head; generating an optimized model by optimization processing; converting a design parameter of the optimized model into pixel gradation to generate image data having a predetermined number of pixels; performing averaging processing of pixel gradation between peripheral pixels for each pixel in the image data; re-converting the pixel gradation of the image data subjected to the averaging processing into the design parameter to generate an averaged model; and performing processing using a three-dimensional CAD to the averaged model to design a thickness distribution of a golf club head.
    • 要解决的问题:从具有多个不规则性的设计图数据获得适合于批量生产的高尔夫球杆头的设计数据。解决方案:一种高尔夫球杆头的设计方法包括:产生用于再现 高尔夫球杆头; 通过优化处理生成优化模型; 将优化模型的设计参数转换成像素级别,以产生具有预定数量像素的图像数据; 对图像数据中的每个像素的周边像素执行像素灰度的平均处理; 将经过平均处理的图像数据的像素灰度重新转换为设计参数以生成平均模型; 以及使用三维CAD对平均模型进行处理,以设计高尔夫球杆头的厚度分布。
    • 4. 发明专利
    • Calculation method and calculation device of tire transient response data, data processing method and data processing device, and program
    • 轮胎瞬态响应数据的计算方法和计算装置,数据处理方法和数据处理装置及程序
    • JP2012171467A
    • 2012-09-10
    • JP2011034762
    • 2011-02-21
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • MIYASHITA NAOSHI
    • B60C19/00
    • PROBLEM TO BE SOLVED: To relate a value of a tire dynamic element parameter to a value of a transient response parameter of a response function used for calculating transient response data, by reducing deviation between measurement data of the transient response data and prediction data of the transient response data calculated by using a tire dynamic model, when calculating the tire transient response data or calculating the value of the tire transient response parameter.SOLUTION: The value of the transient response parameter is imparted to a high-order delay response function to a slip angle of lateral force acting on a tire rotary shaft, that is, the response function determined by using the tire dynamic model for reproducing a deformation response of the tire in cornering, an integral is performed by using the response function imparted with the value and time series data of the slip angle used as a tire measuring condition, and the time series data of the lateral force is calculated as the tire prediction data. In that case, the response function is constituted by setting a delay response of bending deformation of a belt member of the tire as a delay response by a useless time.
    • 要解决的问题:为了将轮胎动态元素参数的值与用于计算瞬态响应数据的响应函数的瞬态响应参数的值相关联,通过减少瞬态响应数据的测量数据与预测之间的偏差 通过使用轮胎动态模型计算的瞬态响应数据的数据,当计算轮胎瞬态响应数据或计算轮胎瞬态响应参数的值时。 解决方案:瞬态响应参数的值赋予作用在轮胎转轴上的横向力的滑移角的高阶延迟响应函数,即通过使用轮胎动态模型确定的响应函数 在转弯时再现轮胎的变形响应,通过使用赋予作为轮胎测量条件的滑移角的值和时间序列数据的响应函数来执行积分,并且横向力的时间序列数据被计算为 轮胎预测数据。 在这种情况下,通过将轮胎的带部件的弯曲变形的延迟响应设定为无用时间的延迟响应来构成响应功能。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Tire grounding length calculation method and device
    • 轮胎接地长度计算方法和装置
    • JP2010032355A
    • 2010-02-12
    • JP2008194661
    • 2008-07-29
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • KITAZAKI TAKASHIMATSUDA ATSUSHIMIYASHITA NAOSHI
    • G01M17/02B60C19/00G01B21/02
    • PROBLEM TO BE SOLVED: To properly calculate a grounding length, even if hydroplaning occurs or the shape of a grounding surface is changed by a braking force or a driving force, when calculating the grounding length of a tire, while the tire is rolling. SOLUTION: A treading side peak value (first peak value) and a kicking side peak value (second peak value) are extracted from acceleration data of a rolling tire. When the first peak value is higher than the second peak value, a second ratio value used for setting a kicking-side threshold is set to smaller than a first ratio value used for setting a treading-side threshold; and when the second peak value is higher than the first peak value, the first ratio value is set to be smaller than the second ratio value. The treading-side threshold and the kicking-side threshold are determined, by multiplying the first peak value and the second peak value, respectively by each set value of the first ratio and the second ratio. The grounding length is calculated by using the treading side threshold and the kicking side threshold. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了正确计算接地长度,即使在发生滑水或通过制动力或驱动力改变接地面的形状时,在计算轮胎的接地长度的同时,轮胎是 滚动。 解决方案:从滚动轮胎的加速度数据中提取踩踏侧峰值(第一峰值)和踢侧峰值(第二峰值)。 当第一峰值高于第二峰值时,将用于设定踢腿侧阈值的第二比值设定为小于用于设定踩踏侧阈值的第一比率值; 并且当所述第二峰值高于所述第一峰值时,所述第一比值被设定为小于所述第二比值。 通过将第一峰值和第二峰值分别乘以第一比率和第二比率的每个设定值来确定踩踏侧阈值和踢腿侧阈值。 通过使用边坡边界阈值和踢腿边界阈值来计算接地长度。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Method for designing vehicle, including tire
    • 设计车辆的方法,包括轮胎
    • JP2006259975A
    • 2006-09-28
    • JP2005074565
    • 2005-03-16
    • Toyota Central Res & Dev Lab IncYokohama Rubber Co Ltd:The株式会社豊田中央研究所横浜ゴム株式会社
    • MIZUNO MASAHIKOKABE KAZUYUKIMIYASHITA NAOSHI
    • G06F17/50B60C19/00G01M17/02G01M17/06
    • B60C99/006
    • PROBLEM TO BE SOLVED: To decide the cornering the characteristics of tires which can be realized by actual tires as request characteristics in the design of a vehicle, including the tires. SOLUTION: The values of parameters B-E when the lateral force of a tire and the characteristic curve of a self-aligned torque are approximated by "Magic Formula" are applied to a vehicle model, and traveling simulation is carried out for performance evaluation. When predetermined performance is not satisfied by the vehicle model in the performance evaluation, the traveling simulation is carried out, by correcting the values of the parameters B to E for the performance evaluation of a vehicle; and the characteristic curve of the tire to be specified by the values of the corrected parameters B to E is calculated, and tire dynamic element parameters are derived, based on the tire dynamics model configured, by using a plurality of tire dynamics element parameters from the characteristic curve. When the predetermined performance is satisfied by the vehicle model, however, the tire dynamics element parameters, corresponding to the parameters B to E, are decided as being the tire request characteristics. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:确定轮胎的特点,可以通过实际轮胎实现轮胎的特性,作为包括轮胎在内的车辆设计中的要求特征。

      解决方案:轮胎的横向力和自对准扭矩的特性曲线近似为“魔术公式”时,参数BE的值被应用于车辆模型,进行行驶模拟以进行性能评估 。 当性能评价中的车辆模型不满足规定的性能时,通过修正车辆的性能评价参数B〜E的值来进行行驶模拟, 并且通过校正参数B至E的值来指定轮胎的特性曲线,并且基于轮胎动力学模型配置,通过使用来自所述轮胎动力学元件参数的多个轮胎动力学元素参数来导出轮胎动态元素参数 特征曲线。 然而,当车辆模型满足预定的性能时,对应于参数B至E的轮胎动力元件参数被确定为轮胎请求特性。 版权所有(C)2006,JPO&NCIPI

    • 7. 发明专利
    • Design evaluation method for golf club head, design method for the golf club head, and the golf club head
    • 高尔夫俱乐部头设计评估方法,高尔夫俱乐部头部设计方法和高尔夫俱乐部头
    • JP2013220180A
    • 2013-10-28
    • JP2012092932
    • 2012-04-16
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • SUZUKI NOBUOMIYASHITA NAOSHINAKAHARA NORIHIKO
    • A63B53/00
    • PROBLEM TO BE SOLVED: To provide a design evaluation method allowing the evaluation of the relation between a basic shape of a face part and an area of a flexure area by a simple method.SOLUTION: When evaluating a design of a face part of a golf club head, the evaluation is performed by use of a cross sectional shape of the face part, an area ratio between a thick thickness part and a thin thickness part, average level difference variance, and an inscribed circle area in the thick thickness part. As characteristics of the high-evaluation design wherein a flexure area is large, it is cited that the number of uniform-thickness cross sectional shapes is small, that the area ratio of the thick thickness part is small, that the average level difference variance is large, and that the inscribed circle area in the thick thickness part is small or the like.
    • 要解决的问题:提供一种设计评估方法,其允许通过简单的方法评估面部部分的基本形状和弯曲区域的面积之间的关系。解决方案:当评估高尔夫球面部分的设计时 球杆头,通过使用面部的横截面形状,厚厚部分和薄厚部分之间的面积比,平均水平差异方差和厚厚部分中的内接圆面积进行评估。 作为挠曲区域大的高评价设计的特征,可以列举均匀厚度的横截面形状的数量小,厚度部分的面积比小,平均水平差异方差为 大的厚度部分的内切圆面积小等。
    • 8. 发明专利
    • Design method of golf club head and golf head
    • 高尔夫球杆头和高尔夫球头的设计方法
    • JP2013200721A
    • 2013-10-03
    • JP2012068824
    • 2012-03-26
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • SUZUKI NOBUONAKAHARA NORIHIKOMIYASHITA NAOSHI
    • G06F17/50A63B53/00
    • PROBLEM TO BE SOLVED: To provide a method of obtaining design data of a golf club head suitable for mass production from design plan data having many irregularities.SOLUTION: A finite element model for reproducing a golf club head is generated, and an optimization model is generated by optimization processing. A design parameter of the optimization model is converted to a pixel gradation, and pixel data of the prescribed number of pixels is generated. In each pixel in the image data, averaging processing of the pixel gradation is performed with peripheral pixels. The average pixel gradation of the image data is converted to the design parameter again, an averaged model is generated, and a rib of the golf club head is designed using the averaged model.
    • 要解决的问题:提供一种从具有许多不规则性的设计计划数据获得适于批量生产的高尔夫球杆头的设计数据的方法。解决方案:生成用于再现高尔夫球杆头的有限元模型,并且优化模型是 通过优化处理生成。 将优化模型的设计参数转换为像素灰度,生成规定像素数的像素数据。 在图像数据的每个像素中,像素灰度的平均处理是用周边像素进行的。 将图像数据的平均像素等级再次转换为设计参数,生成平均模型,并使用平均模型设计高尔夫球杆头的肋。
    • 9. 发明专利
    • Method of calculating evaluation data of golf club head
    • 计算高尔夫球杆头评估数据的方法
    • JP2011240016A
    • 2011-12-01
    • JP2010116188
    • 2010-05-20
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • SUZUKI NOBUOMIYASHITA NAOSHINAKAHARA NORIHIKO
    • A63B53/00G06F17/50
    • PROBLEM TO BE SOLVED: To provide a calculation method which can accurately and inexpensively find evaluation data of a golf club head in a short period, and is advantageous in the efficiency design.SOLUTION: An amplitude A at each nodal point P on a face surface 12 is calculated through the intrinsic value analysis by a finite element method using a golf club head model 10A composed of a finite element model, and nodal points p whose amplitude A is at least n% of a maximum amplitude are selected. A regression curved surface K indicating variation of the amplitudes A on the face surface 12 is determined based on the amplitudes A of the selected nodal points p, and the maximum value of the amplitudes A indicated by the regression curved surface K is found. The obtained maximum value is considered as the real maximum amplitude, and a region of the face surface 12 where the amplitudes A are at least N% of the real maximum amplitude is specified as a deflection amount evaluation region TA. The area of the deflection amount evaluation region TA and the position of the area gravity center of the deflection amount evaluation region TA are calculated as evaluation data.
    • 要解决的问题:提供一种可以在短时间内准确且低成本地查找高尔夫球杆头的评价数据的计算方法,并且在效率设计中是有利的。 解决方案:通过使用由有限元模型组成的高尔夫球棒头模型10A的有限元方法的内在值分析和振幅A的节点P来计算面表面12上的每个节点P处的振幅A A至少选择最大幅度的n%。 基于所选节点p的幅度A,求出表示面表面12上的幅度A的变化的回归曲面K,并且求出由回归曲面K表示的振幅A的最大值。 所获得的最大值被认为是实际最大幅度,并且将幅度A至少为实际最大幅度的N%的面表面12的区域指定为偏转量评估区域TA。 计算偏转量评价区域TA的面积和偏转量评价区域TA的面积重心的位置作为评价数据。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Apparatus, method and program for analyzing tire ground contact
    • 用于分析轮胎地面接触的装置,方法和程序
    • JP2010127762A
    • 2010-06-10
    • JP2008302613
    • 2008-11-27
    • Yokohama Rubber Co Ltd:The横浜ゴム株式会社
    • MIYASHITA NAOSHIKABE KAZUYUKI
    • G01M17/02B60C11/00
    • PROBLEM TO BE SOLVED: To provide a tire ground contact analysis apparatus, a tire ground contact analysis method and a tire ground contact analysis program for analyzing a tire ground contact in a short time. SOLUTION: Analysis of the tire ground contact is performed by image processing of an image of the tire ground contact and includes: an image generating section comprising a plurality of pixels arrayed orthogonal to the image of the tire ground contact in which a pixel corresponding to a tire ground contact section is set to a first pixel value and a pixel corresponding to a non-tire ground contact section is set to a second pixel value, and generating a binarized image; and a scan image processing section for dividing the binarized image into a plurality of columns, extracting the pixel having the second pixel value put between pixels having the first pixel value among the pixels included in each column, converting the second pixel value of the extracted pixel into the first pixel value, dividing the binarized image into a plurality of rows after a conversion, extracting the pixel having the second pixel value put between pixels having the first pixel value among the pixels included in each row, and converting the second pixel value of the extracted pixel into the first pixel value. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供轮胎接地分析装置,轮胎接地分析方法和用于在短时间内分析轮胎接地接触的轮胎接地分析程序。 解决方案:通过图像处理轮胎接地触头的图像来进行轮胎接地接触的分析,并且包括:图像生成部,包括与轮胎接地触点的图像正交地排列的多个像素,其中像素 将对应于轮胎接地部的轮胎接地部设定为第一像素值,将与非轮胎接地部对应的像素设定为第二像素值,生成二值化图像; 以及扫描图像处理部分,用于将二值化图像分割成多个列,提取具有在每列中包括的像素中的具有第一像素值的像素之间的具有第二像素值的像素,将提取的像素的第二像素值 转换成第一像素值,在转换之后将二值化图像划分成多行,提取在每行中包括的像素之间放置具有第一像素值的像素之间的具有第二像素值的像素,并且将第二像素值 所提取的像素变为第一像素值。 版权所有(C)2010,JPO&INPIT