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    • 2. 发明授权
    • Control system for a linear actuator including magnetic bearings for
levitating a robot arm
    • 用于线性致动器的控制系统,包括用于悬浮机器人臂的磁性轴承
    • US5720010A
    • 1998-02-17
    • US699342
    • 1996-08-19
    • Katsuhide WatanabeYoichi KanemitsuShinichi MoriyamaNaoji Hiraki
    • Katsuhide WatanabeYoichi KanemitsuShinichi MoriyamaNaoji Hiraki
    • B25J13/00B25J9/18B25J18/02B25J19/00F16C32/04F16C39/06G05B19/19H02P25/06G05B15/00G05B19/00
    • F16C32/0444G05B19/19F16C2300/62G05B2219/45083G05B2219/49271
    • A control system for controlling a linear actuator including magnetic bearings for levitating a robot arm and a pulse motor for linearly driving the arm in a non-contact manner is disclosed, which comprises a displacement detection unit including displacement sensors, first and second calculation units, moving amount detection unit and adding circuit. The displacement detection unit detects displacement values of the arm from a reference posture, the first calculation unit calculates guiding (y), levitation (z), roll (p), pitching (q), and yaw (r) control current values in response to the displacement values and provides guiding, levitation, roll, pitching, and yaw control current signals (, , , , ). The moving amount detecting circuit detects a moving amount (X.sub.0) of the arm from a reference position in response to an operation of the pulse motor, and provides a compensation current value (.DELTA.Iq") proportional to the moving amount, and the adding circuit adds the compensation current value (.DELTA.Iq") to the pitching control current signal (). The second calculation unit, in response to the guiding, levitation, roll and yaw control current signals (, , , ) and the added pitching control current signal (+.DELTA.Iq"), calculates drive current control values to compensate drive current flowing through the magnetic bearings.
    • 公开了一种用于控制线性致动器的控制系统,包括用于悬浮机器人臂的磁轴承和用于以非接触方式线性驱动臂的脉冲电机,其包括位移检测单元,其包括位移传感器,第一和第二计算单元, 移动量检测单元和加法电路。 位移检测单元从参考姿势检测臂的位移值,第一计算单元计算响应中的引导(y),悬浮(z),滚动(p),俯仰(q)和偏航(r)控制电流值 提供位移值,并提供引导,悬挂,滚动,俯仰和偏航控制电流信号(+ Z,+ Z,+ Z,+ Z,+ Z)。 移动量检测电路响应于脉冲电动机的操作从参考位置检测臂的移动量(X0),并且提供与移动量成比例的补偿电流值(DELTA Iq“),并且添加 电路将补偿电流值(DELTA Iq“)添加到俯仰控制电流信号(+ Z)。 第二计算单元响应于引导,悬挂,转向和偏转控制电流信号(+ Z,+ Z,+ Z,+ Z)和增加的俯仰控制电流信号(+ Z + DELTA Iq“),计算 驱动电流控制值来补偿流经磁轴承的驱动电流。
    • 3. 发明授权
    • Inductive displacement sensor system detecting displacements in two
directions using a multi-bridge circuit
    • 感应位移传感器,用于使用多桥电路检测两个方向的位移
    • US5760578A
    • 1998-06-02
    • US697007
    • 1996-08-16
    • Katsuhide WatanabeNaoji HirakiShinichi Moriyama
    • Katsuhide WatanabeNaoji HirakiShinichi Moriyama
    • G01B7/14G01B7/312G01D5/20
    • G01D5/2013G01B7/14G01B7/312
    • A displacement sensor system is provided which is capable of simultaneously and independently detecting displacements in two directions orthogonal to an axis of an object to be detected, using a less number of displacement sensors than before. The displacement sensor system, for enabling the simultaneous detection of displacements in two directions orthogonal to an axial direction of a pillar-shaped member, has a plurality of displacement sensors positioned around the pillar-shaped member, and a detector circuit for receiving outputs of the plurality of displacement sensors to output signals indicative of displacements in the two directions orthogonal to the axial direction of the pillar-shaped member. The detector circuit includes a multi-bridge circuit for parallelly connecting a circuit having the plurality of displacement sensors connected in series to a plurality of resistor circuits. In one embodiment of the present invention, the pillar-shaped member has a square prism portion, and the plurality of displacement sensors include four displacement sensors, where the displacement sensors are positioned in a plane parallel to a set of opposite surfaces of the square prism portion and in the vicinity of four corners of the square prism portion, respectively. The four displacement sensors are connected in series to form an inductance circuit which constitutes a part of the multi-bridge circuit.
    • 提供一种位移传感器系统,其能够使用比以前更少数量的位移传感器来同时且独立地检测与待检测物体的轴线正交的两个方向上的位移。 位移传感器系统,用于能够同时检测与柱状构件的轴向正交的两个方向上的位移,具有位于柱状构件周围的多个位移传感器,以及检测器电路,其用于接收 多个位移传感器,以输出指示与柱状构件的轴向正交的两个方向上的位移的信号。 检测器电路包括用于并联连接具有与多个电阻器电路串联连接的多个位移传感器的电路的多桥电路。 在本发明的一个实施例中,柱状部件具有正方形棱镜部分,并且多个位移传感器包括四个位移传感器,其中位移传感器位于与正方形棱镜的一组相对表面平行的平面中 并且分别在正方形棱镜部分的四个角附近。 四个位移传感器串联连接以形成构成多桥电路的一部分的电感电路。
    • 4. 发明授权
    • Magnetic levitation control apparatus
    • 磁悬浮控制装置
    • US06515388B1
    • 2003-02-04
    • US09680954
    • 2000-10-10
    • Shinichi MoriyamaKatsuhide WatanabeTakahide Haga
    • Shinichi MoriyamaKatsuhide WatanabeTakahide Haga
    • H02K709
    • F16C32/0448F16C32/0451H02N15/00
    • A magnetic levitation control apparatus comprises a pair of electromagnets for holding a levitated body having a magnetic body in the levitated state. A signal source for supplying a voltage signal of a frequency on a level such that enables the electromagnets to function as the position sensor, wherein a control voltage signal for controlling the magnetic attraction of the electromagnets is superimposed on the voltage signal. A circuit differentially supplies the voltage signal to the pair of electromagnets to form a position signal of the levitated body from an add signal of currents respectively from the electromagnets, and a circuit detects a control current of the electromagnets from a subtraction signal of currents respectively from the electromagnets. A controller generates a control voltage signal of the electromagnets from the detected position signal of the levitated body and, in addition, corrects the position signal detected from the detected control current of the electromagnets.
    • 一种磁悬浮控制装置包括一对电磁体,用于保持具有处于悬浮状态的磁体的悬浮体。 一种用于提供频率电压信号的信号源,其电平使得电磁体能够用作位置传感器,其中用于控制电磁体的磁吸引力的控制电压信号叠加在电压信号上。 电路差分地将电压信号提供给该对电磁体,以从电磁体分别从电流的相加信号形成悬浮体的位置信号,并且电路从电流的减法信号分别检测电磁体的控制电流 电磁铁。 控制器根据检测到的悬浮体的位置信号产生电磁体的控制电压信号,并且还校正从检测到的电磁体的控制电流检测的位置信号。
    • 5. 发明授权
    • Imaging apparatus and method of processing image signal
    • 成像设备和图像信号处理方法
    • US07760243B2
    • 2010-07-20
    • US11787799
    • 2007-04-18
    • Shinichi MoriyamaMasaharu Tomura
    • Shinichi MoriyamaMasaharu Tomura
    • H04N5/228
    • H04N5/202H04N5/225
    • An imaging apparatus comprising an imaging unit that images a subject and produces an image signal, a signal-processing unit that performs dynamic range compression processing on the image signal, and a first output unit that produces a first output signal based on the image signal processed in the signal-processing unit. The imaging apparatus also has a signal-producing unit that produces a signal including the image signal and any processing information that indicates which dynamic range compression processing is performed in the signal-processing unit, and a second output unit that produces a second output signal based on the signal produced in the signal-producing unit.
    • 一种成像装置,包括:成像单元,其对被摄体进行成像并产生图像信号;对所述图像信号执行动态范围压缩处理的信号处理单元;以及基于所处理的图像信号产生第一输出信号的第一输出单元 在信号处理单元中。 成像装置还具有信号产生单元,其产生包括图像信号的信号和指示在信号处理单元中执行哪个动态范围压缩处理的任何处理信息,以及产生基于第二输出信号的第二输出单元 关于在信号产生单元中产生的信号。
    • 6. 发明申请
    • Imaging apparatus and method of processing image signal
    • 成像设备和图像信号处理方法
    • US20080007629A1
    • 2008-01-10
    • US11787799
    • 2007-04-18
    • Shinichi MoriyamaMasaharu Tomura
    • Shinichi MoriyamaMasaharu Tomura
    • H04N5/228
    • H04N5/202H04N5/225
    • An imaging apparatus has an imaging unit that images a subject and produces an image signal, a signal-processing unit that performs dynamic range compression processing on the image signal, and a first output unit that produces a first output signal based on the image signal processed in the signal-processing unit. The imaging apparatus also has a signal-producing unit that produces a signal including the image signal and any processing information that indicates which dynamic range compression processing is performed in the signal-processing unit, and a second output unit that produces a second output signal based on the signal produced in the signal-producing unit.
    • 一种成像装置具有对被摄体进行成像并产生图像信号的成像单元,对图像信号执行动态范围压缩处理的信号处理单元,以及基于处理的图像信号产生第一输出信号的第一输出单元 在信号处理单元中。 成像装置还具有信号产生单元,其产生包括图像信号的信号和指示在信号处理单元中执行哪个动态范围压缩处理的任何处理信息,以及产生基于第二输出信号的第二输出单元 关于在信号产生单元中产生的信号。