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    • 1. 发明专利
    • Moving body posture angle detecting apparatus
    • 移动身体角度角度检测装置
    • JP2011203257A
    • 2011-10-13
    • JP2011086174
    • 2011-04-08
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • SUGIHARA HISAYOSHINONOMURA YUTAKAFUJIYOSHI MOTOHIRO
    • G01C15/00B25J19/02G05D1/08
    • B25J9/163G05B2219/37024G05B2219/37388G05B2219/40536G05B2219/41166G05B2219/42152
    • PROBLEM TO BE SOLVED: To detect the posture angle of a moving body by preventing the accumulation of integration errors by means of a simple structure without using an expensive, highly accurate angular velocity sensor.SOLUTION: The apparatus has: an angular velocity sensor 10 for detecting an angular velocity of the moving body; an acceleration sensor 20 for detecting an acceleration of the moving body; a means 15 for calculating a small angle quaternion which defines a small rotation angle after passing a short period of time ts from the angular velocity; a means 22 for calculating a tilt angle from the acceleration; a means 25 for calculating an acceleration system quaternion from the tilt angle; a difference calculating means 30 for calculating, as an error, a difference between the low range component of an angular velocity system quaternion and the low range component of the acceleration system quaternion; an error removing means 32 for removing the error from the angular velocity system quaternion; an outputting means 34 for calculating a posture angle from the angular velocity system quaternion from which the error is removed and outputting as the posture angle of the moving body.
    • 要解决的问题:为了通过简单的结构防止累积误差来检测移动体的姿态角度,而不使用昂贵,高精度的角速度传感器。解决方案:该装置具有:角速度传感器10,用于 检测所述移动体的角速度; 用于检测移动体的加速度的加速度传感器20; 用于计算在从角速度经过短时间ts之后限定小旋转角度的小角度四元数的装置15; 用于从加速度计算倾斜角度的装置22; 用于从倾斜角度计算加速度系数四元数的装置25; 差分计算装置30,用于计算角速度系统四元数的低范围分量与加速系数四元数的低范围分量之间的差作为误差; 用于从角速度系统四元数除去误差的误差消除装置32; 输出装置34,用于根据从其中去除误差的角速度系统四元数计算姿态角,并输出作为移动体的姿势角。
    • 3. 发明专利
    • Six-axial force sensor
    • 六轴力传感器
    • JP2009074969A
    • 2009-04-09
    • JP2007244959
    • 2007-09-21
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • MAKINO HIROAKIOZAWA TADAOASAI MITSURUNAKAGAKI TAKANORINONOMURA YUTAKAOTA YASUHIROYAMADA HITOSHI
    • G01L5/16
    • PROBLEM TO BE SOLVED: To provide a six-axial force sensor having simple structure and capable of obtaining high reliability.
      SOLUTION: The six-axial force sensor has an annular outer member 2, an inner member 3 arranged inside it, and load sensor elements 5 interposed between the external element installation surfaces 24 of the outer member 2 and the internal element installation surfaces 34 of the inner member 3. First internal element installation surfaces 34(a) are provided so as to correspond to at least part of the side faces of a first polygonal pyramid 71 having a vertex 710 on a Z axis, and second internal element installation surfaces 34(b) are provided so as to correspond to at least part of the side faces of a second polygonal pyramid 72 in the same shape pointed to a direction opposite to that of the first pyramid 71. The first external faces 24(a) are arranged in parallel with the first internal faces 34(a), and the second external faces 24(b) are arranged in parallel with the second internal faces 34(b). In one sensor installation area existing between an internal face 34 and an external face 24 forming a pair, two or more sensor elements 5 are arranged.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种结构简单,能够获得高可靠性的六轴力传感器。 解决方案:六轴力传感器具有环形外部构件2,布置在其内部的内部构件3和插入在外部构件2的外部元件安装表面24之间的载荷传感器元件5和内部构件安装表面 第一内部元件安装表面34(a)设置成对应于在Z轴上具有顶点710的第一多边形棱锥71的至少一部分侧面,第二内部元件安装 表面34(b)设置成对应于与第一金字塔71相反的方向指向相同形状的第二多边形棱锥体72的至少一部分侧面。第一外表面24(a) 与第一内表面34(a)平行布置,第二外表面24(b)与第二内表面34(b)平行布置。 在形成一对的内表面34和外表面24之间的一个传感器安装区域中,布置有两个或更多个传感器元件5。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Tactile sensor system, orbit acquisition device, and robot hand
    • 触觉传感器系统,轨道采集设备和机器人手
    • JP2014145717A
    • 2014-08-14
    • JP2013015459
    • 2013-01-30
    • Toyota Motor Corpトヨタ自動車株式会社Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • NAKAYAMA TAKAHIROKIDA YUSUKEDEO TAKASHIFUNAHASHI HIROFUMINONOMURA YUTAKAHATA YOSHIYUKIFUJIYOSHI MOTOHIRO
    • G01L5/00B25J15/08G01L5/16
    • PROBLEM TO BE SOLVED: To provide a tactile sensor system, orbit acquisition device, and robot hand that are able to estimate the movement locus in finer unit and more correctly.SOLUTION: A tactile sensor system 100 comprises: a plurality of tactile sensors 3-1, 3-2, and 3-m and a plurality of buses 1-1, 1-2, and 1-n which include at least one position sensor 4; and an arithmetic processing part 2 connected to the plurality of buses 1. An interval between the tactile sensors 3 is shorter than the minimal value of the resolution of the position sensor 4. The arithmetic processing part 2 calculates a pressure distribution on the basis of a value detected by the plurality of tactile sensors 3 adjacent to each other, and calculates a movement distance on the basis of the value detected by the position sensor 4. If the movement distance is not smaller than the minimal value of the resolution of the position sensor 4, the arithmetic processing part 2 estimates the locus of the movement. If the movement distance is smaller than the minimal value of the resolution of the position sensor 4, the arithmetic processing part 2 estimates the locus of the movement on the basis of the pressure distribution.
    • 要解决的问题:提供能够以更精细的单元估计运动轨迹并且更正确的触觉传感器系统,轨道获取装置和机器人手。解决方案:触觉传感器系统100包括:多个触觉传感器3- 1,2,3和3-m以及包括至少一个位置传感器4的多个总线1-1,1-2和1-n; 以及与多个总线1连接的算术处理部2.触觉传感器3之间的间隔比位置传感器4的分辨率的最小值短。算术处理部2基于 由彼此相邻的多个触觉传感器3检测到的值,并且基于由位置传感器4检测到的值来计算移动距离。如果移动距离不小于位置传感器的分辨率的最小值 如图4所示,运算处理部2估计运动的轨迹。 如果移动距离小于位置传感器4的分辨率的最小值,则算术处理部2基于压力分布来估计移动的轨迹。
    • 5. 发明专利
    • Mems structure
    • MEMS结构
    • JP2014004676A
    • 2014-01-16
    • JP2012282404
    • 2012-12-26
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所Toyota Motor Corpトヨタ自動車株式会社
    • OMURA YOSHITERUFUJIYOSHI MOTOHIRONONOMURA YUTAKAAKASHI TERUHISAFUNAHASHI HIROFUMIHATA YOSHIYUKINAKAYAMA TAKAHIRO
    • B81B3/00G01C19/5755G01P15/125G02B26/08
    • PROBLEM TO BE SOLVED: To provide a technique capable of preventing the occurrence of warp such as the distal end of the movable unit flipping up and the concentration of stress at the movable unit or the coupling unit, which are caused from the release of residual strain of a stacked substrate in an MEMS structure formed in the stacked substrate in which linear expansion coefficients of adjacent layers are different.SOLUTION: The present specification discloses an MEMS structure. The MEMS structure includes a substrate unit formed in a first layer; an intermediate fixing unit formed in a second layer, and an upper fixing unit, a coupling unit, and a movable unit formed in a third layer, where the upper fixing unit is fixed to the substrate unit by way of the intermediate fixing unit, the movable unit is cantilever supported by the coupling unit, and the coupling unit is supported by the upper fixing unit. In the MEMS structure, the coupling unit is connected to the upper fixing unit at a position distant from the distal end of the movable unit than an end of the intermediate fixing unit closer to the distal end of the movable unit with respect to a supporting direction of the movable unit.
    • 要解决的问题:提供一种能够防止由于残留应变的释放引起的可动单元的前端起翘和可动单元或联接单元的应力集中的翘曲的发生的技术 在层叠基板中形成的MEMS结构中的层叠基板,其中相邻层的线性膨胀系数不同。解决方案:本说明书公开了一种MEMS结构。 MEMS结构包括形成在第一层中的衬底单元; 形成在第二层中的中间固定单元,以及形成在第三层中的上固定单元,联接单元和可移动单元,其中上固定单元通过中间固定单元固定到基板单元, 可移动单元是由联接单元支撑的悬臂,并且联接单元由上固定单元支撑。 在MEMS结构中,耦合单元在远离可移动单元的远端的位置处连接到上固定单元,而不是相对于支撑方向更靠近可移动单元的远端的中间固定单元的端部 的可移动单元。
    • 8. 发明专利
    • Attitude signal computation unit
    • 姿态信号计算单元
    • JP2008310767A
    • 2008-12-25
    • JP2007160599
    • 2007-06-18
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • NONOMURA YUTAKAFUJIYOSHI MOTOHIROYAMADA HITOSHI
    • G05D1/08
    • PROBLEM TO BE SOLVED: To provide a unit for computing an attitude signal representing an attitude of a moving body with a high degree of precision. SOLUTION: An attitude quaternion converter 20 of an attitude signal computing unit finds a quaternion notation of an input attitude signal Sin representing an attitude of a moving body, and outputs it as an input attitude quaternion. A quaternion error computing unit 40 acquires an input attitude quaternion as a first attitude quaternion Q1, and a quaternion representing a frequency component that a quaternion filter unit 30 has extracted from the input attitude quaternion as a second attitude quaternion Q2. The quaternion error computing unit 40 outputs a quaternion acquired based on the result of dividing the first attitude quaternion Q1 by the second attitude quaternion Q2 as an error quaternion Uq. A quaternion feedback computing unit 50 outputs a quaternion as a result of dividing the input attitude quaternion by the error quaternion Uq as an output attitude quaternion. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于以高精度计算表示移动体的姿态的姿势信号的单元。 解决方案:姿态信号计算单元的姿态四元数转换器20找到表示移动体姿态的输入姿势信号Sin的四元数符号,并将其输出为输入姿态四元数。 四元数误差计算单元40获取作为第一姿态四元数Q1的输入姿态四元数,并且表示四分位数滤波器单元30从输入姿态四元数提取的频率分量的四元数作为第二姿态四元数Q2。 四元数误差计算单元40输出基于将第一姿态四元数Q1除以第二姿态四元数Q2的结果获得的四元数作为误差四元数Uq。 四元数反馈计算单元50输出作为输出姿态四元数乘以误差四元数Uq的输入姿态四元数作为输出姿态四元数的结果的四元数。 版权所有(C)2009,JPO&INPIT