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    • 1. 发明授权
    • Machine motion trajectory measuring device, numerically controlled machine tool, and machine motion trajectory measuring method
    • 机器运动轨迹测量装置,数控机床和机器运动轨迹测量方法
    • US09144869B2
    • 2015-09-29
    • US13133770
    • 2009-09-10
    • Ryuta SatoKotaro NagaokaTomonori Sato
    • Ryuta SatoKotaro NagaokaTomonori Sato
    • B23Q5/40B23Q5/28B23Q17/22G05B19/19
    • B23Q5/40B23Q5/28B23Q17/22G05B19/19G05B2219/41233G05B2219/43072
    • A machine motion trajectory measuring device for measuring the motion trajectory of a machine used in an apparatus which controls the position of the machine by feeding back a detected position obtained by converting the rotation angles of motors for a plurality of movable axes and then driving the motors such that the detected position follows a commanded position is provided. The machine motion trajectory measuring device includes accelerometers for measuring the acceleration of the machine; and a motion trajectory measuring unit that measures the motion trajectory of the machine by obtaining the position of the machine by integrating the acceleration twice and correcting the position of the machine such that the profile of the position of the machine coincides with the profile of the detected position or the profile of an estimated position estimated using a model for simulating the response of the position of the machine to the commanded position.
    • 一种机器运动轨迹测量装置,用于测量用于控制机器位置的装置的运动轨迹,该装置通过反馈通过转换多个可移动轴的电动机的旋转角而获得的检测位置,然后驱动电动机 使得检测到的位置跟随指令位置。 机器运动轨迹测量装置包括用于测量机器加速度的加速度计; 以及运动轨迹测量单元,其通过将加速度积分为两倍并通过校正机器的位置来获得机器的位置来测量机器的运动轨迹,使得机器位置的轮廓与检测到的机器的轮廓一致 位置或使用用于模拟机器的位置对指令位置的响应的模型估计的估计位置的轮廓。
    • 2. 发明申请
    • MACHINE MOTION TRAJECTORY MEASURING DEVICE, NUMERICALLY CONTROLLED MACHINE TOOL, AND MACHINE MOTION TRAJECTORY MEASURING METHOD
    • 机器运动轨迹测量装置,数控机床和机器运动轨迹测量方法
    • US20110246132A1
    • 2011-10-06
    • US13133770
    • 2009-09-10
    • Ryuta SatoKotaro NagaokaTomonori Sato
    • Ryuta SatoKotaro NagaokaTomonori Sato
    • G06F15/00
    • B23Q5/40B23Q5/28B23Q17/22G05B19/19G05B2219/41233G05B2219/43072
    • A machine motion trajectory measuring device for measuring the motion trajectory of a machine used in an apparatus which controls the position of the machine by feeding back a detected position obtained by converting the rotation angles of motors for a plurality of movable axes and then driving the motors such that the detected position follows a commanded position is provided. The machine motion trajectory measuring device includes accelerometers for measuring the acceleration of the machine; and a motion trajectory measuring unit that measures the motion trajectory of the machine by obtaining the position of the machine by integrating the acceleration twice and correcting the position of the machine such that the profile of the position of the machine coincides with the profile of the detected position or the profile of an estimated position estimated using a model for simulating the response of the position of the machine to the commanded position.
    • 一种机器运动轨迹测量装置,用于测量用于控制机器位置的装置的运动轨迹,该装置通过反馈通过转换多个可移动轴的电动机的旋转角而获得的检测位置,然后驱动电动机 使得检测到的位置跟随指令位置。 机器运动轨迹测量装置包括用于测量机器加速度的加速度计; 以及运动轨迹测量单元,其通过将加速度积分为两倍并通过校正机器的位置来获得机器的位置来测量机器的运动轨迹,使得机器位置的轮廓与检测到的机器的轮廓一致 位置或使用用于模拟机器的位置对指令位置的响应的模型估计的估计位置的轮廓。
    • 3. 发明授权
    • Servo controller
    • 伺服控制器
    • US06943522B2
    • 2005-09-13
    • US10775253
    • 2004-02-11
    • Kotaro NagaokaTomonori SatoHidetoshi IkedaTeiji Takahashi
    • Kotaro NagaokaTomonori SatoHidetoshi IkedaTeiji Takahashi
    • G05B11/36G05B19/19G05D3/12H02P29/00
    • G05B19/19G05B2219/41151G05B2219/41426G05B2219/41428
    • A servo controller includes a mechanical characteristic compensation unit for attenuating components having predetermined frequencies and corresponding to characteristics of a machine, which are included in a position instruction signal corrected by a finite impulse response (FIR) filter, and computing feed-forward signals respectively associated with position, speed, and torque of the machine, and a feedback compensation unit for driving the machine according to the feed-forward signals. Therefore, the servo controller can reduce vibrations that originate from the characteristics of the machine. In addition, because the FIR filter can easily make the response path with respect to a symmetrical instructed path, become symmetrical, when the machine is made to travel between two positions along the same path, the two response paths of the round trip match each other, so machined surfaces having no irregularities can be provided when performing reciprocating machining.
    • 伺服控制器包括用于衰减具有预定频率并对应于机器特性的分量的机械特征补偿单元,其包括在由有限脉冲响应(FIR)滤波器校正的位置指令信号中,并且计算分别相关联的前馈信号 具有机器的位置,速度和扭矩,以及用于根据前馈信号驱动机器的反馈补偿单元。 因此,伺服控制器可以减少源自机器特性的振动。 另外,由于FIR滤波器能够容易地使相对于对称指令路径的响应路径成为对称的,所以当机器沿同一路径在两个位置之间行进时,往返的两个响应路径彼此匹配 因此,进行往复加工时,可以提供没有凹凸的加工面。
    • 4. 发明授权
    • Numerical control device, method of controlling the same, and system program therefor
    • 数控装置及其控制方法及其系统程序
    • US08831768B2
    • 2014-09-09
    • US13133443
    • 2009-02-17
    • Shunro OnoKotaro NagaokaTomonori SatoDaisuke Fujino
    • Shunro OnoKotaro NagaokaTomonori SatoDaisuke Fujino
    • G06F19/00G05B19/04G05B19/18G05B19/41G05B19/25G05B19/4093G05B19/4103
    • G05B19/4093G05B19/4103G05B2219/33269Y02P90/265
    • A CPU 41 reads a next block (S1), and then determines whether the read block is a TCP (tool center point) control finish command “G49” or not (S2). If it is determined to be the TCP control finish command “G49”, the TCP control is finished. If it is determined not to be the TCP control finish command “G49”, whether the read block is a coordinate-system transformation command “P1” or not is determined (S3). Next, if it is determined not to be the coordinate-system transformation command “P1”, the TCP control is performed, without transforming the coordinate system, in accordance with a command of the block (S11). Next, the process returns to S1, and then the process after S1 is executed. If it is determined to be the coordinate-system transformation command “P1”, a start point (xs, ys, zs, bs, cs) and an end point (xe, ye, ze, be, ce) in a non-machine coordinate system, of the block are transformed into a start point (Xs, Ys, Zs, Bs, Cs) and an end point (Xe, Ye, Ze, Be, Ce) in a machine coordinate system, respectively (S4).
    • CPU41读取下一个块(S1),然后确定读取块是否是TCP(工具中心点)控制完成命令“G49”(S2)。 如果确定为TCP控制完成命令“G49”,则TCP控制完成。 如果确定不是TCP控制完成命令“G49”,则确定读块是否是坐标系变换命令“P1”(S3)。 接下来,如果确定不是坐标系变换命令“P1”,则根据块的命令(S11)不进行坐标系变换,执行TCP控制。 接下来,处理返回到S1,然后执行S1之后的处理。 如果确定为坐标系变换命令“P1”,则在非机器中的起始点(xs,ys,zs,bs,cs)和终点(xe,ye,ze,be,ce) (Xs,Ys,Zs,Bs,Cs)和机器坐标系中的终点(Xe,Ye,Ze,Be,Ce)(S4)。
    • 5. 发明申请
    • NUMERICAL CONTROL DEVICE, METHOD OF CONTROLLING THE SAME, AND SYSTEM PROGRAM THEREFOR
    • 数字控制装置,其控制方法及其系统程序
    • US20110238204A1
    • 2011-09-29
    • US13133443
    • 2009-02-17
    • Shunro OnoKotaro NagaokaTomonori SatoDaisuke Fujino
    • Shunro OnoKotaro NagaokaTomonori SatoDaisuke Fujino
    • G06F19/00
    • G05B19/4093G05B19/4103G05B2219/33269Y02P90/265
    • A CPU 41 reads a next block (S1), and then determines whether the read block is a TCP (tool center point) control finish command “G49” or not (S2). If it is determined to be the TCP control finish command “G49”, the TCP control is finished. If it is determined not to be the TCP control finish command “G49”, whether the read block is a coordinate-system transformation command “P1” or not is determined (S3). Next, if it is determined not to be the coordinate-system transformation command “P1”, the TCP control is performed, without transforming the coordinate system, in accordance with a command of the block (S11). Next, the process returns to S1, and then the process after S1 is executed. If it is determined to be the coordinate-system transformation command “P1”, a start point (xs, ys, zs, bs, cs) and an end point (xe, ye, ze, be, ce) in a non-machine coordinate system, of the block are transformed into a start point (Xs, Ys, Zs, Bs, Cs) and an end point (Xe, Ye, Ze, Be, Ce) in a machine coordinate system, respectively (S4).
    • CPU41读取下一个块(S1),然后确定读取块是否是TCP(工具中心点)控制完成命令“G49”(S2)。 如果确定为TCP控制完成命令“G49”,则TCP控制完成。 如果确定不是TCP控制完成命令“G49”,则确定读块是否是坐标系变换命令“P1”(S3)。 接下来,如果确定不是坐标系变换命令“P1”,则根据块的命令(S11)不进行坐标系变换,执行TCP控制。 接下来,处理返回到S1,然后执行S1之后的处理。 如果确定为坐标系变换命令“P1”,则在非机器中的起始点(xs,ys,zs,bs,cs)和终点(xe,ye,ze,be,ce) (Xs,Ys,Zs,Bs,Cs)和机器坐标系中的终点(Xe,Ye,Ze,Be,Ce)(S4)。
    • 9. 发明授权
    • Image-forming apparatus
    • 图像形成装置
    • US08608394B2
    • 2013-12-17
    • US12790458
    • 2010-05-28
    • Hiroki AndoToshiyuki MatsuiSatoshi HonobeTsuneo FukuzawaTomonori SatoFumiaki MaekawaToshihiro Maruta
    • Hiroki AndoToshiyuki MatsuiSatoshi HonobeTsuneo FukuzawaTomonori SatoFumiaki MaekawaToshihiro Maruta
    • B41J29/02
    • G03G21/1619G03G21/1633G03G2221/169
    • An image-forming apparatus includes: a plural image-holding members, each image-holding member holding an image and being rotatable around a rotation shaft; a frame member that at least partially defines a space for accommodating the plural image-holding members therein; a cover provided to the frame member to open and close the space with respect to an outside, an inner side of the cover being formed with rotation shaft insertion holes each for receiving an end portion of the rotation shaft of a corresponding one of the image-holding members accommodated in the space; a supporting shaft that supports the cover such that the cover is pivotable with respect to the frame member, the supporting shaft being inserted into a supporting shaft insertion hole provided to the frame member or to the cover, the supporting shaft insertion hole being elongated in a direction having a vertical component when the cover closes the space; and a positioning mechanism that positions the cover with respect to the frame member when the cover closes the space, the positioning mechanism including at least two projections that project from one of the frame member and the cover, and that are spaced apart from each other in a direction of an axis of the supporting shaft, and projection insertion holes provided to the other one of the frame member and the cover to receive corresponding projections when the cover closes the space.
    • 图像形成装置包括:多个图像保持部件,每个图像保持部件保持图像并能够围绕旋转轴旋转; 框架构件,其至少部分地限定用于容纳多个图像保持构件的空间; 设置在所述框架构件上以相对于外部打开和关闭所述空间的盖,所述盖的内侧形成有旋转轴插入孔,每个所述旋转轴插入孔用于接收所述图像形成装置中的相应一个的旋转轴的端部, 持有成员收容在该空间内; 支撑轴,其支撑所述盖,使得所述盖相对于所述框架构件可枢转,所述支撑轴插入到设置在所述框架构件或所述盖的支撑轴插入孔中,所述支撑轴插入孔在 当盖关闭空间时具有垂直分量的方向; 以及定位机构,当所述盖关闭所述空间时,所述定位机构将所述盖相对于所述框架构件定位,所述定位机构包括从所述框架构件和所述盖中的一个突出并且彼此间隔开的至少两个突起, 支撑轴的轴线方向和设置在框架构件和盖子中的另一个的突起插入孔,以在盖子关闭空间时接收相应的突起。