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    • 4. 发明授权
    • Attitude determination system for artificial satellite
    • 人造卫星姿态确定系统
    • US6102338A
    • 2000-08-15
    • US919193
    • 1997-08-28
    • Shoji YoshikawaKatsuhiko YamadaHiroshi SakashitaHiroo Yonechi
    • Shoji YoshikawaKatsuhiko YamadaHiroshi SakashitaHiroo Yonechi
    • G01C21/24B64G1/24B64G1/28B64G1/36G01C21/02G05D1/08
    • G05D1/0883B64G1/24B64G1/288B64G1/361G01C21/025B64G1/36
    • An attitude determination system for an artificial satellite capable of performing star identification without need for the aid of ground station includes an image processing module (17) for processing star images observed at predetermined time points by a star sensor (16) mounted on the artificial satellite (1) for arithmetically determining direction vectors of the observed stars, a rotation estimating module (18) for estimating a rotational motion of the artificial satellite (1) between an attitude of the artificial satellite at a predetermined time point and an attitude of the artificial satellite at another time point, an elongation estimating module (19) for estimating elongations between the direction vectors of plural stars the images of which are picked up at a same time point by the star sensor and estimating the elongations between the direction vectors of plural stars the images of which are picked up at different time points by the star sensor on the basis of the estimated rotational motion, a star identifying module (20) for establishing correspondences between a plurality of the stars for which relation of the elongation has been determined and stars on a star catalog for identifying the stars, and an attitude angle estimating module (21) for estimating an attitude angle of the artificial satellite on the basis of result of identification of the stars.
    • 能够在不需要地面站的帮助下进行星型识别的人造卫星的姿势确定系统包括:图像处理模块(17),用于处理在预定时间点由安装在人造卫星上的星形传感器(16)观察到的星形图像 (1),用于对所述观测星的方向矢量进行算术确定;旋转估计模块,用于估计所述人造卫星在预定时间点的姿态与人造卫星的姿态之间的旋转运动; 卫星在另一个时间点,延伸率估计模块(19),用于估计多个恒星的方向向量之间的延伸,其中图像由星形传感器在同一时间点被拾取并且估计多个恒星的方向向量之间的伸长 其基于估计的星形传感器在不同时间点拾取图像 旋转运动的星形识别模块(20),用于在已经确定了伸长关系的多个星星之间建立对应关系,并且用于识别恒星的星形目录上的恒星;以及姿态角估计模块(21),用于估计 人造卫星的姿态角基于星星识别的结果。
    • 5. 发明授权
    • Magnet assembling device
    • 磁铁组装装置
    • US5735038A
    • 1998-04-07
    • US495105
    • 1995-06-27
    • Hiroshi SakashitaMasayuki Katagiri
    • Hiroshi SakashitaMasayuki Katagiri
    • H02K1/27H01F13/00H02K15/03H02K15/02
    • H02K15/03Y10T29/49009Y10T29/49075Y10T29/53143Y10T29/53161
    • A magnet assembling device includes a rounding die into which a rectangular and flexible rubber magnet can be mounted in an annular manner; a die guide for guiding the rubber magnet mounted in the rounding die into a motor case; a push punch including a punching portion for inserting the rubber magnet mounted in the rounding die into the die guide and for pushing the rubber magnet out of the die guide into the motor case; and a magnetizing head for magnetizing the inner peripheral surface of the rubber magnet. The die guide is formed in a tapered shape such that the inside diameter dimension of the side thereof from which the rubber magnet is inserted is larger than the inside diameter dimension of the side thereof from which the rubber magnet is discharged. Further, the magnetizing head is mounted on the push punch in such a manner that the magnetizing portion of the magnetizing head projects toward the rubber magnet beyond the punching portion of the push punch, and the magnetizing portion of the magnetizing head can be brought into close contact with the inner peripheral surface of the rubber magnet in the minimum diameter portion of the die guide.
    • 磁体组装装置包括圆形模具,矩形和柔性橡胶磁体可以以环形方式安装在其中; 用于将安装在圆形模具中的橡胶磁体引导到电动机壳体中的模具引导件; 推动冲头,其包括用于将安装在四边形模具中的橡胶磁体插入模具引导件中并将橡胶磁体从模具引导件推出到电动机壳体中的冲压部分; 以及用于磁化橡胶磁体的内周面的磁化头。 模具引导件形成为锥形形状,使得其橡胶磁体插入的侧面的内径尺寸大于其橡胶磁体从其排出的一侧的内径尺寸。 此外,磁化头以这样的方式安装在推动冲头上,使得磁化头的磁化部分朝向橡胶磁体突出超过推动冲头的冲压部分,并且磁化头的磁化部分可以闭合 在模具引导件的最小直径部分中与橡胶磁体的内周表面接触。
    • 8. 发明授权
    • Rotary element driving device
    • 旋转元件驱动装置
    • US5663603A
    • 1997-09-02
    • US569882
    • 1995-12-08
    • Hiroshi SakashitaEiji Arasaki
    • Hiroshi SakashitaEiji Arasaki
    • G11B19/20H02K29/00H02K5/00
    • G11B19/2009H02K11/33
    • A disk drive device includes a device stand on which a spindle motor and a device control board are fixedly mounted. The device stand has a motor mounting section which is embossed so that the spindle motor is mounted on the motor mounting section. Fastening members are inserted into the mounting holes which are formed in a stator core and the motor mounting section in such a manner that they are aligned with one another so that, with the fastening members, the circuit board is held between the motor mounting section and the stator core, and the spindle motor is fixedly mounted on the device stand. The circuit board follows the surface of the motor mounting surface being held in close contact with the latter.
    • 磁盘驱动装置包括固定安装有主轴电机和装置控制板的装置支架。 装置支架具有马达安装部分,其被压花,使得主轴马达安装在马达安装部分上。 紧固构件插入到形成在定子芯中的安装孔和电动机安装部分中,使得它们彼此对准,使得通过紧固构件将电路板保持在电动机安装部分和 定子铁芯和主轴电机固定安装在设备支架上。 电路板跟随电动机安装表面的表面与后者保持紧密接触。
    • 9. 发明授权
    • Brushless motor having terminals for connecting winding ends to circuit
board lands
    • 无刷电机具有将绕组端连接到电路板焊盘的端子
    • US5606208A
    • 1997-02-25
    • US244472
    • 1994-08-09
    • Hiroshi SakashitaEiji Arasaki
    • Hiroshi SakashitaEiji Arasaki
    • H02K3/04H02H7/06H02H9/04H02K1/18H02K3/52H02K21/22H02K29/00H02K29/08H02P9/10H02P9/14H02K11/00H02K5/00
    • H02P9/102H02K3/522H02H7/067H02H9/041H02K1/18H02K2203/03H02K29/08H02P2101/30
    • A structure of the terminals of a brushless motor, which enables the motor to be thin and enables enables the windings of the motor to be connected to a circuit board easily and automatically is provided. This brushless motor comprises: a rotor section having a rotor magnet; a stator section having windings opposed to the rotor magnet (9) in the radial direction of the motor and having a stator core around which the windings are wound; a driving circuit formed on a surface of a circuit board electrically connected to the windings wound around the stator core; terminals (6), each having a clipping portion which holds and is electrically connected to the winding and having a connection portion which is electrically connected to a land part of the driving circuit on the circuit board, for repositioning the electrical connection between the windings and the driving circuit; and a core holder for holding the terminals. The terminals are provided on the surface of the core holder, the surface being opposed to the circuit board. At least the clipping portions and the connection portions are in parallel with the circuit board, and the connection portions are nearer to the circuit board than the clipping portions.
    • PCT No.PCT / JP92 / 01572 Sec。 371日期1994年8月9日 102(e)日期1994年8月9日PCT 1991年11月30日PCT PCT。 公开号WO93 / 11597 日期:1993年6月10日无电刷电机的端子结构使得电动机变薄并且能够使电动机的绕组能够容易且自动地连接到电路板。 该无刷电动机包括:具有转子磁体的转子部分; 定子部分,具有在电动机的径向方向上与转子磁体相对的绕组,并具有缠绕绕组的定子铁芯; 驱动电路,形成在电连接到缠绕在所述定子芯上的绕组的电路板的表面上; 端子(6),每个端子具有夹持部分,其保持并电连接到绕组,并具有连接部分,该连接部分电连接到电路板上的驱动电路的接地部分,用于重新定位绕组之间的电连接;以及 驱动电路; 以及用于保持端子的芯保持器。 端子设置在芯架的表面上,该表面与电路板相对。 至少夹持部分和连接部分与电路板平行,并且连接部分比夹持部分更靠近电路板。
    • 10. 发明授权
    • Motor having a fixing structure for fixing a bearing set to a circuit
board
    • 具有用于将轴承固定到电路板的固定结构的电动机
    • US5578883A
    • 1996-11-26
    • US267240
    • 1994-06-29
    • Hiroshi SakashitaYukio Kotagiri
    • Hiroshi SakashitaYukio Kotagiri
    • H02K1/18H02K5/15H02K7/08H02K29/00H02K5/00
    • H02K7/085H02K1/187Y10S310/06
    • A motor in which flange portions are partially formed on the outer peripheral surface of a housing. Flange portions, which can be respectively superimposed on the flange portions of the housing, are formed on the inner peripheral surface of a stator core. Projected portions and screw holes are formed in the stator core such that they are positioned adjacent to each other. Then, while the flange portions of the stator core are respectively superimposed on the flange portions of the housing, screws are respectively inserted through the screw holes in the flange portions in contact with the projected portions into screw holes formed in a circuit board, whereby the flange portions of the stator core are flexed to press down the flange portions of the housing, so that the housing can be fixed to the circuit board.
    • 一种马达,其中凸缘部分部分地形成在壳体的外周表面上。 在定子铁心的内周面上形成有分别叠置在壳体的凸缘部上的凸缘部。 突出部分和螺孔形成在定子芯中,使得它们彼此相邻地定位。 然后,当定子芯的凸缘部分分别叠置在壳体的凸缘部分上时,分别将螺钉穿过与突出部分接触的凸缘部分中的螺钉孔插入形成在电路板中的螺孔中,由此, 定子芯的凸缘部分弯曲以压下壳体的凸缘部分,使得壳体可以固定到电路板。