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    • 1. 发明授权
    • Motor-driving apparatus
    • 电机驱动装置
    • US07567046B2
    • 2009-07-28
    • US11577484
    • 2005-10-19
    • Narifumi TojimaTakashi MajimaMitsunao SakamotoTetsuya Fukumoto
    • Narifumi TojimaTakashi MajimaMitsunao SakamotoTetsuya Fukumoto
    • H02P6/08
    • H02P6/06H02P6/182
    • An object of the present invention to accurately and reliably detect rotational positions of a rotor irrespective of noise overlapping inductor voltage. Employed for accomplishing the aforementioned object in the present invention is a motor-driving device for rotating and driving a rotor by supplying predetermined drive signals to stator coils each corresponding to each phase of a DC brushless motor, the device comprising: a drive-signal-generating unit for generating the drive signals by switching direct current power based on a pulse-control signal; and a control-signal-generator unit for generating the pulse-control signal that controls the drive-signal-generating unit by intermittently generating the pulse-control signal; and for detecting the rotational position and the rotational velocity of the rotor based on inductor voltage obtained from the stator coils in a period in which generation of the pulse-control signal is suspended in each phase.
    • 本发明的目的是精确可靠地检测转子的旋转位置,而不管噪声与电感器电压重叠。 在本发明中用于实现上述目的的电动机驱动装置是通过向直流无刷电动机的各相对应的定子线圈供给预定的驱动信号来旋转和驱动转子的电动机驱动装置,该装置包括:驱动信号 - 生成单元,用于通过基于脉冲控制信号切换直流电力来产生驱动信号; 以及控制信号发生器单元,用于产生通过间歇地产生脉冲控制信号来控制驱动信号产生单元的脉冲控制信号; 并且用于在每相中产生脉冲控制信号的时段内基于从定子线圈获得的电感器电压来检测转子的旋转位置和旋转速度。
    • 2. 发明申请
    • Motor-Driving Apparatus
    • 电机驱动装置
    • US20080089675A1
    • 2008-04-17
    • US11577484
    • 2005-10-19
    • Narifumi TojimaTakashi MajimaMitsunao SakamotoTetsuya Fukumoto
    • Narifumi TojimaTakashi MajimaMitsunao SakamotoTetsuya Fukumoto
    • H02P7/29
    • H02P6/06H02P6/182
    • An object of the present invention to accurately and reliably detect rotational positions of a rotor irrespective of noise overlapping inductor voltage. Employed for accomplishing the aforementioned object in the present invention is a motor-driving device for rotating and driving a rotor by supplying predetermined drive signals to stator coils each corresponding to each phase of a DC brushless motor, the device comprising: a drive-signal-generating unit for generating the drive signals by switching direct current power based on a pulse-control signal; and a control-signal-generator unit for generating the pulse-control signal that controls the drive-signal-generating unit by intermittently generating the pulse-control signal; and for detecting the rotational position and the rotational velocity of the rotor based on inductor voltage obtained from the stator coils in a period in which generation of the pulse-control signal is suspended in each phase.
    • 本发明的目的是精确可靠地检测转子的旋转位置,而不管噪声与电感器电压重叠。 在本发明中用于实现上述目的的电动机驱动装置是通过向直流无刷电动机的各相对应的定子线圈供给预定的驱动信号来旋转和驱动转子的电动机驱动装置,该装置包括:驱动信号 - 生成单元,用于通过基于脉冲控制信号切换直流电力来产生驱动信号; 以及控制信号发生器单元,用于产生通过间歇地产生脉冲控制信号来控制驱动信号产生单元的脉冲控制信号; 并且用于在每相中产生脉冲控制信号的时段内基于从定子线圈获得的电感器电压来检测转子的旋转位置和旋转速度。
    • 3. 发明授权
    • Electromagnetic connecting device for high voltage and large current
    • 高电压大电流电磁连接装置
    • US06781496B2
    • 2004-08-24
    • US10076439
    • 2002-02-19
    • Yasuo KobayashiTakashi MajimaYuuji Sasaki
    • Yasuo KobayashiTakashi MajimaYuuji Sasaki
    • H01F2704
    • H01F38/14
    • A primary winding 12 connected to a high-voltage, a large-current power supply 1, a secondary winding 14 connected to an electromagnetic forming coil 2, and a magnetic core 16 for guiding the magnetic flux produced by the primary winding. The magnetic core 16 is composed of a primary core 16a on which the primary winding is wound and a secondary core 16b on which the secondary winding is wound. The primary core and the secondary core are magnetically connected in contact or in close proximity. The primary core and the secondary core are separated each other when the connector is disconnected. Thus, current pulses at a high voltage (for instance, 10 kV) with a large current (for example, 100 kA or more) and a narrow pulse width (e.g., 30 &mgr;sec or less) can be efficiently transmitted, and the connector easily attached and removed.
    • 连接到高电压的初级绕组12,大电流电源1,连接到电磁成形线圈2的次级绕组14和用于引导由初级绕组产生的磁通的磁芯16。 磁芯16由初级绕组缠绕在其上的初级铁芯16a和次级绕组缠绕在其上的次级铁芯16b组成。 主芯和次芯在接触或接近地磁连接。 当连接器断开时,主芯和次芯彼此分离。 因此,可以有效地传输具有大电流(例如,100kA或更大)和窄脉冲宽度(例如,30个音圈或更小)的高电压(例如,10kV)的电流脉冲,并且连接器容易 附加和删除。
    • 4. 发明授权
    • Printer for use with continuous form
    • 连续使用的打印机
    • US4952087A
    • 1990-08-28
    • US281056
    • 1988-12-07
    • Yasuo IwataMichio KoizumiKimihiro KosugiKouzou AbeTakashi Majima
    • Yasuo IwataMichio KoizumiKimihiro KosugiKouzou AbeTakashi Majima
    • B41J11/26B41J11/30B41J15/16
    • B41J11/30
    • In a printer for use with a continuous form, a tractor drive shaft and a tractor guide shaft are mounted to a tractor frame of a bi-directional form feeder unit in parallel relation to each other. A pair of tractors mounted on both the shafts are movable therealong, but can be fixed to a shaft body of the guide shaft at respective desired positions. Opposite axial ends of the drive shaft are received respectively in a pair of elongated slots whose longitudinal axes extend substantially perpendicularly to a platen. One axial end of the drive shaft is drivingly connected to a drive unit. A pair of support shaft sections extend respectively from opposite axial end faces of the shaft body and are supported by the tractor frame. An axis of the shaft body extends in eccentric relation to an axis common to the support shaft sections. The shaft body is angularly movable about its axis relatively to the tractors. An operating member is mounted to one support shaft section for angularly moving the shaft body about the common axis, thereby moving the tractors toward and away from the platen to adjust tension on the continuous form.
    • 在以连续形式使用的打印机中,牵引车驱动轴和拖拉机引导轴彼此平行地安装在双向供料器单元的拖拉机框架上。 安装在这两个轴上的一对拖拉机可沿其移动,但可以在各个期望的位置固定在导向轴的轴体上。 驱动轴的相对的轴向端分别被接纳在一对细长的槽中,其长轴基本垂直于压板延伸。 驱动轴的一个轴向端驱动地连接到驱动单元。 一对支撑轴部分分别从轴体的相对的轴向端面延伸并由牵引车架支撑。 轴体的轴线以与支撑轴部分共同的轴线偏心地延伸。 轴体相对于拖拉机可绕其轴线成角度地移动。 操作构件安装到一个支撑轴部分,用于使轴体围绕公共轴线成角度地移动,从而使拖拉机朝向和远离压板移动以调节连续形式的张力。
    • 6. 发明授权
    • Redundant communication system
    • 冗余通信系统
    • US08358578B2
    • 2013-01-22
    • US12810437
    • 2008-12-25
    • Seigo MurashigeHiroyuki AbeJunichi KobayashiTakashi MajimaYuji Sasaki
    • Seigo MurashigeHiroyuki AbeJunichi KobayashiTakashi MajimaYuji Sasaki
    • G01R31/08G06F11/00
    • H04L12/40176H04L67/12H04L69/40
    • A redundant communication system includes a first control device which calculates a control command value of an electric power device, and outputs first and second command signals; a second control device which controls the electric power device on the basis of one of the first and second control command values; and primary and secondary communication lines for respectively transmitting the first and second command signals to the second control device. The second control device comprises: a primary communication line abnormality determining unit which determines that the primary communication line is abnormal when a non-reception state or an abnormality state of the first command signal continues during a predetermined period; and a control command value switching unit which selects one of the first and second control command values in a switching manner and switches the selection from the first to the second control command value within the predetermined period.
    • 冗余通信系统包括:第一控制装置,其计算电力装置的控制指令值,并输出第一和第二指令信号; 第二控制装置,其基于第一控制指令值和第二控制指令值之一来控制电力装置; 以及用于分别将第一和第二命令信号发送到第二控制装置的主通信线路和辅助通信线路。 第二控制装置包括:主通信线路异常判定单元,其在第一指令信号的非接收状态或异常状态在预定期间内持续时,判断为主通信线路异常; 以及控制命令值切换单元,其以切换方式选择第一控制命令值和第二控制命令值之一,并且在预定时段内将选择从第一控制命令值切换到第二控制命令值。
    • 7. 发明申请
    • REDUNDANT COMMUNICATION SYSTEM
    • 冗余通信系统
    • US20100280634A1
    • 2010-11-04
    • US12810437
    • 2008-12-25
    • Seigo MurashigeHiroyuki AbeJunichi KobayashiTakashi MajimaYuji Sasaki
    • Seigo MurashigeHiroyuki AbeJunichi KobayashiTakashi MajimaYuji Sasaki
    • G05B9/03
    • H04L12/40176H04L67/12H04L69/40
    • A redundant communication system includes: a first control device which calculates a control command value of an electric power device equipped in a vehicle, and outputs first and second command signals respectively corresponding to the control command value; a second control device which controls the electric power device on the basis of one of first and second control command values respectively corresponding to the first and the second command signals received from the first control device; a primary communication line which transmits the first command signal from the first control device to the second control device; and a secondary communication line which transmits the second command signal from the first control device to the second control device, wherein the second control device comprises: a primary communication line abnormality determining unit which determines that the primary communication line is abnormal, when a non-reception state of the first command signal or an abnormality state of the first command signal continues during a predetermined period; and a control command value switching unit which selects one of the first and second control command values in a switching manner, and wherein the control command value switching unit switches the selection from the first control command value to the second control command value within the predetermined period from a start time at which the non-reception state of the first command signal or the abnormality state of the first command signal starts until a time at which the primary communication line abnormality determining unit determines that the primary communication line is abnormal.
    • 冗余通信系统包括:第一控制装置,其计算配备在车辆中的电力装置的控制指令值,并分别输出与控制指令值对应的第一和第二指令信号; 第二控制装置,其基于分别对应于从第一控制装置接收的第一和第二命令信号的第一和第二控制命令值中的一个控制电力装置; 主要通信线路,其将第一命令信号从第一控制装置发送到第二控制装置; 以及二次通信线路,其将所述第二命令信号从所述第一控制装置发送到所述第二控制装置,其中,所述第二控制装置包括:主通信线路异常判定单元,其确定所述主通信线路异常, 第一命令信号的接收状态或第一命令信号的异常状态在预定时段期间继续; 以及控制命令值切换单元,其以切换方式选择第一和第二控制命令值中的一个,并且其中控制命令值切换单元将选择从第一控制命令值切换到预定时段内的第二控制命令值 从第一指令信号的非接收状态或第一指令信号的异常状态开始的开始时刻开始,直到主通信线路异常判定单元判断为主通信线路异常的时刻为止。