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    • 4. 发明公开
    • 탄소섬유 그리드를 이용한 구조 건전성 감시장치
    • 使用碳纤维网的结构健康监测系统及其监测方法
    • KR1020160103587A
    • 2016-09-02
    • KR1020150025840
    • 2015-02-24
    • 울산과학기술원
    • 박영빈박형욱노형도
    • G01B7/16G01N27/04
    • G01B7/18G01N27/041
    • 본발명은, 복수의탄소섬유들이그리드구조의저항경로를이루도록구성됨으로써, 상기복수의탄소섬유들중 일부탄소섬유들에만전극을연결하여도변형위치에관계없이저항변화의측정이가능한이점이있다. 또한, 복수의탄소섬유들중 일부탄소섬유들에만전극을연결하기때문에, 전극의개수가최소화될수 있다. 또한, 복수의탄소섬유들이그리드구조의저항경로를이루며서로연결되기때문에, 전극쌍을연결하는전극경로이외의부분에변형이발생하더라도사각지대없이모두감지할수 있다. 또한, 그리드의밀도나전극의개수를조절하여, 구조물건전성감지장치의분해능을조절할수 있는이점이있다. 또한, 별도의수지에함침없이탄소섬유그리드시트만으로이루어짐으로써, 제조가간편하고비용이절감될수 있다.
    • 本发明涉及使用碳纤维网格的结构健康监测系统及其监视方法。 具有栅格结构的电阻路径由多根碳纤维构成。 本发明的系统包括:安装在结构中的单碳纤维网格板,具有栅格结构的电阻路径,其中多个碳纤维彼此交叉以形成电阻路径; 多个电极,以预定间隔彼此间隔开连接到一些碳纤维的端部; 电阻测量器,测量沿着电阻路径形成电极对的电极之间的电阻变化; 以及根据所测量的电阻变化确定变换位置的计算机。 根据本发明,即使电极仅连接到多个碳纤维的一部分,电阻变化也可以与转换位置无关地测量,电极的数量能够最小化,因为电极仅连接到 即使在连接电极对的电极路径以外的其他部分发生变形,也能够无盲点地检测所有的点。 此外,结构健康监测系统的分解活性能够通过控制电极的数量或密度来控制,仅需要碳纤维网格片来实现本发明,并且不需要单独的树脂浸渍来制造碳纤维 网格板 因此本发明能够容易地制造并且能够降低其成本。
    • 10. 发明公开
    • 공구 위치의 기준점 설정 방법
    • 用于设置工具位置参考点的方法
    • KR1020130098738A
    • 2013-09-05
    • KR1020120020498
    • 2012-02-28
    • 울산과학기술원 산학협력단
    • 박형욱
    • B23Q17/22B23Q17/24B23Q15/22
    • PURPOSE: A standard point establishment method of a tool position is provided to minimize a machine work and accurately distinguish the tool position by conveniently and accurately establishing a longitudinal direction center line of a tool for the machine work with a standard point of the tool position. CONSTITUTION: A standard point establishment method of a tool position comprises as follows. A laser beam is irradiated from a laser with a light detector according to a predetermined direction (S10). A tool desiring the establishment of a standard point between the laser and the light detector is moved at a fixed distance as a fixed interval according to the direction which is at right angles to an irradiated direction of the laser beam (S20). When the tool is overlapped with the laser beam by moving between the laser and the light detector, the strength of the laser beam is measured by receiving the laser beam irradiated in a laser beam irradiating step (S40). The strength of the laser beam measured in a laser beam strength measuring step is converted into the intensity of an output voltage (S50). A point in which the intensity of the changed output voltage converted in an output voltage converting step is minimally set up as the standard point of a tool moving direction axle (S60). [Reference numerals] (S10) Step of irradiating a laser beam; (S20) Step of moving a tool at a fixed distance; (S30) Step of measuring the location of the tool; (S40) Step of measuring the strength of the laser beam; (S50) Step of converting an output voltage; (S60) Step of setting a reference point; (S70) Step of correcting an original point of the tool
    • 目的:提供工具位置的标准点建立方法,以最小化机器工作,并通过方便准确地确定刀具位置的标准点的机床加工工具的纵向中心线,准确地区分刀具位置。 构成:工具位置的标准点建立方法如下。 根据预定方向,用具有光检测器的激光照射激光束(S10)。 根据与激光束的照射方向成直角的方向,希望在激光和光检测器之间建立标准点的工具以固定的间隔以固定的间隔移动(S20)。 当通过在激光和光检测器之间移动来使激光束与激光束重叠时,通过接收在激光束照射步骤中照射的激光束来测量激光束的强度(S40)。 在激光束强度测量步骤中测量的激光束的强度被转换为输出电压的强度(S50)。 将在输出电压转换步骤中转换的改变的输出电压的强度最小地设置为工具移动方向轴的标准点的点(S60)。 (附图标记)(S10)照射激光束的步骤; (S20)以固定距离移动工具的步骤; (S30)测量工具位置的步骤; (S40)测量激光束的强度的步骤; (S50)转换输出电压的步骤; (S60)设定基准点的步骤; (S70)校正工具的原点的步骤