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    • 11. 发明授权
    • Sealing material, method for sealing honeycomb structure and sealed honeycomb structure
    • 密封材料,蜂窝结构密封方法和密封蜂窝结构
    • US07300487B2
    • 2007-11-27
    • US10505612
    • 2003-02-05
    • Jun Fujita
    • Jun Fujita
    • C09K3/10B01D39/20
    • C09K3/10B01D46/2418B01D2271/02Y10T428/24149
    • There is disclosed a sealing material for sealing a ceramic structure, the sealing material containing a ceramic component, an ordinary-temperature liquid component, and a suspending agent. In a method in which opening end portions of a large number of through channels 3 divided by partition walls 2 and extending in an axial direction in a honeycomb structure 1 including the through channels, the method comprises the steps of: sealing the opening end portions using the above-described sealing material. Sealed portions 10 are formed in the opening end portions of the through channels 3 by the sealing material. There are disclosed a sealing material, a sealing method for a honeycomb structure, and a sealed honeycomb structure in which less kinks are generated in the sealed portions, and a depth in each sealed portion fluctuates little.
    • 公开了一种用于密封陶瓷结构的密封材料,该密封材料含有陶瓷组分,常温液体组分和悬浮剂。 在通过分隔壁2分割并在包括贯通通道的蜂窝结构体1中沿轴向延伸的多个通道3的开口端部的方法中,该方法包括以下步骤:使用 上述密封材料。 密封部分10通过密封材料形成在通道3的开口端部中。 公开了一种密封材料,蜂窝状结构体的密封方法和密封蜂窝结构体,其密封部分产生较少的扭结,并且每个密封部分的深度几乎不发生波动。
    • 15. 发明授权
    • Automatic speed loop gain adjustment method and apparatus for a feedback control system
    • 用于反馈控制系统的自动速度环增益调节方法和装置
    • US06625502B2
    • 2003-09-23
    • US09737821
    • 2000-12-18
    • Takamichi ItoJun Fujita
    • Takamichi ItoJun Fujita
    • G05B1302
    • G05B13/024
    • Automatic speed loop gain adjustment of a feedback control system begins by setting up a phase margin range and a gain margin range. A speed open loop condition is provided by separating a speed command value from a speed feedback value. White noise is input into the feedback control system where the speed open loop condition has been made. A phase margin and a gain margin are then detected and comparisons are made with the phase margin range and the gain margin range, respectively. The speed loop gain is adjusted if the comparison results for either one of the detected phase margin and the detected gain margin fall outside of the associated phase margin range or gain margin range. Once the adjustment of the speed loop gain is complete, the position loop gain of the position control loop is adjusted on the basis of the adjusted speed loop gain.
    • 反馈控制系统的自动速度环增益调整通过设置相位裕度范围和增益裕度范围开始。 通过将速度指令值与速度反馈值分开来提供速度开环条件。 白噪声被输入到已经进行了速度开环条件的反馈控制系统中。 然后检测相位裕度和增益裕度,并分别与相位裕度范围和增益裕度范围进行比较。 如果检测到的相位裕度和检测到的增益裕度中的任一个的比较结果超出相关联的相位裕度范围或增益裕度范围,则调整速度环增益。 一旦速度环增益的调整完成,位置控制环路的位置环路增益就会根据调整后的速度环路增益进行调整。