Method for controlling two-phase stepping motor
    1.
    发明授权
    Method for controlling two-phase stepping motor 失效
    控制两相步进电机的方法

    公开(公告)号:US07362072B2

    公开(公告)日:2008-04-22

    申请号:US11430056

    申请日:2006-05-09

    CPC classification number: H02P8/34 H02P8/02 H02P8/20

    Abstract: A method of controlling a two-phase stepping motor to operate in one of a plurality of operating modes in which output of the motor behaves differently upon encountering obstacle, comprises the steps of: generating an electrical driving current comprising a repeating series of a positive active driving region, a first inactive driving region, a negative active driving region and a second inactive driving region; determining one of the duration of the active driving regions and the duration of the inactive driving regions relative to the other of the durations to thereby cause the motor to operate in a corresponding mode of the operating modes; and applying the driving current to the motor.

    Abstract translation: 一种控制两相步进电动机以在遇到障碍物时电动机的输出不同的多种运行模式中的一种运行的方法,包括以下步骤:产生电驱动电流,该电驱动电流包括正的积极的重复序列 驱动区域,第一无效驱动区域,负有源驱动区域和第二无效驱动区域; 确定所述有效驱动区域的持续时间和所述非活动驱动区域相对于所述持续时间中的另一个的持续时间之一,从而使得所述电动机在所述操作模式的相应模式下操作; 并将驱动电流施加到电动机。

    Indicating instrument and method of operation thereof
    2.
    发明授权
    Indicating instrument and method of operation thereof 失效
    指示仪器及其操作方法

    公开(公告)号:US5877694A

    公开(公告)日:1999-03-02

    申请号:US610063

    申请日:1996-02-29

    Applicant: Masami Kataoka

    Inventor: Masami Kataoka

    CPC classification number: G01R7/06 H02P8/20 H02P8/28

    Abstract: An indicator of a meter is driven by a step motor in which a rotating magnetic field formed by field coils which is a composite of magnetic fields of the coils supplied with a sine-wave-driving current and cosine-wave driving current. The indicator is also returned to a stopper located at a zero position of the meter by the rotating magnetic field. A part of the rotating magnetic field, which is formed from the sine and cosine waves in a range of the phase angle between -340 degree and -(180 degree-.DELTA.a degree) in the zero-return process, is cut after the indicator rests on the stopper so that such part of the rotating magnetic field may not separate the indicator from the stopper.

    Abstract translation: 仪表的指示器由步进电机驱动,其中由励磁线圈形成的旋转磁场,该励磁线圈是提供有正弦波驱动电流和余弦波驱动电流的线圈的磁场的复合。 指示器还通过旋转磁场返回到位于仪表零位置的止动器。 在归零过程中,在-340​​度与 - (180度-TATA度之间)的相位角范围内的正弦波和余弦波形成的旋转磁场的一部分在指示器 停留在止动器上,使得旋转磁场的这一部分不会将指示器与止动器分开。

    Two speed step motor driving apparatus for copying machines
    3.
    发明授权
    Two speed step motor driving apparatus for copying machines 失效
    用于复印机的两个速度步进马达驱动装置

    公开(公告)号:US4540927A

    公开(公告)日:1985-09-10

    申请号:US557583

    申请日:1983-12-02

    CPC classification number: H02P8/20

    Abstract: A pulse motor driving apparatus for the optical unit in a copying machine includes an excitation phase designating circuit for designating phase windings alternately from one phase to two phases and from two phases to one phase at the time of original scanning or forward rotation, and also designating the phase windings in pairs with every two phases at the time of return of the optical unit or reverse rotation. A drive circuit supplies drive pulses successively to the phase windings designated by the excitation phase designating circuit to rotate a pulse motor faster at the time of reverse rotation than at the time of forward rotation.

    Abstract translation: 用于复印机中的光学单元的脉冲电机驱动装置包括:激励相位指定电路,用于在原始扫描或正向旋转时从一相交替地指定相绕相和两相到一相,并且还指定 相位绕组与光学单元返回时的每两相成对或反转。 驱动电路将驱动脉冲依次提供给由励磁相位指定电路指定的相位绕组,以在反向旋转时比在正向旋转时更快地旋转脉冲电机。

    Stepping motor exciting system
    4.
    发明授权
    Stepping motor exciting system 失效
    步进电机励磁系统

    公开(公告)号:US4477756A

    公开(公告)日:1984-10-16

    申请号:US446306

    申请日:1982-12-03

    Inventor: Fujio Moriguchi

    CPC classification number: H02P8/42 H02P8/20

    Abstract: A stepping motor exciting system in which the excitation current is set at one of four stepwise values. When the motor is to be driven in a stepwise manner, the excitation current is in the form of a pseudo-trapezoidal wave which is derived in terms of two of possible four values. When the motor is to be driven in a linear manner, the excitation current is in the form of a pseudo-sinusoidal wave which is derived in terms of all four possible values. A ROM stores these sequences of excitation currents and controls the exciting system in accordance with the driving mode desired.

    Abstract translation: 步进电机励磁系统,其中激励电流设置为四个逐步值之一。 当电动机以逐步的方式驱动时,励磁电流是伪梯形波的形式,其根据可能的四个值中的两个导出。 当电动机以线性方式驱动时,励磁电流为伪正弦波的形式,其根据所有四个可能的值得出。 ROM存储这些激励电流序列,并根据所需的驱动模式控制激励系统。

    Dual stepping angle stepper motor drive
    5.
    发明授权
    Dual stepping angle stepper motor drive 失效
    双步进步进电机驱动

    公开(公告)号:US4145644A

    公开(公告)日:1979-03-20

    申请号:US811738

    申请日:1977-06-30

    Applicant: Raymond C. Liu

    Inventor: Raymond C. Liu

    CPC classification number: H02P8/22 H02P8/20

    Abstract: A stepping motor control circuit permitting selective operation of the motor in various modes such as half or full step mode. The circuit includes a pulse generator producing pulses at a selected motor step rate. A switch means selects the step size while a second switch selects the motor direction. An up/down counter counts pulses from the pulse generator in a direction correlated with the selected rotation direction. A read-only-memory is addressed as a function of the periodically repeating count in the up/down counter and the selected step size. The stored information at the addressed read-only-memory location actuates motor drive circuitry which generates energizing signals for the motor windings to drive the motor in the selected direction a distance corresponding to the selected step size at a step rate equal to the pulse rate of the pulse generator.

    Abstract translation: 步进电机控制电路,允许以各种模式(例如半步或全步)模式选择性地操作电动机。 电路包括脉冲发生器,以选定的电动机步进速率产生脉冲。 开关装置在第二开关选择电机方向时选择步长。 上/下计数器在与选择的旋转方向相关的方向上对来自脉冲发生器的脉冲进行计数。 作为在向上/向下计数器中的周期性重复计数和所选步长的函数来寻址只读存储器。 在寻址的只读存储器位置处存储的信息激活电动机驱动电路,其产生用于电动机绕组的激励信号,以沿所选方向驱动电动机,以与所选择的步长相对应的距离,以等于脉冲速率 脉冲发生器。

    Method for controlling two-phase stepping motor
    9.
    发明申请
    Method for controlling two-phase stepping motor 失效
    控制两相步进电机的方法

    公开(公告)号:US20060255761A1

    公开(公告)日:2006-11-16

    申请号:US11430056

    申请日:2006-05-09

    CPC classification number: H02P8/34 H02P8/02 H02P8/20

    Abstract: A method of controlling a two-phase stepping motor to operate in one of a plurality of operating modes in which output of the motor behaves differently upon encountering obstacle, comprises the steps of: generating an electrical driving current comprising a repeating series of a positive active driving region, a first inactive driving region, a negative active driving region and a second inactive driving region; determining one of the duration of the active driving regions and the duration of the inactive driving regions relative to the other of the durations to thereby cause the motor to operate in a corresponding mode of the operating modes; and applying the driving current to the motor.

    Abstract translation: 一种控制两相步进电动机以在遇到障碍物时电动机的输出不同的多种运行模式中的一种运行的方法,包括以下步骤:产生电驱动电流,该电驱动电流包括正的积极的重复序列 驱动区域,第一无效驱动区域,负有源驱动区域和第二无效驱动区域; 确定所述有效驱动区域的持续时间和所述非活动驱动区域相对于所述持续时间中的另一个的持续时间之一,从而使得所述电动机在所述操作模式的相应模式下操作; 并将驱动电流施加到电动机。

    Stepping motor drive device and method
    10.
    发明申请
    Stepping motor drive device and method 有权
    步进马达驱动装置及方法

    公开(公告)号:US20040232874A1

    公开(公告)日:2004-11-25

    申请号:US10793342

    申请日:2004-03-05

    CPC classification number: H02P8/20 H02P8/16

    Abstract: A reference signal generation unit generates a reference signal VCA showing a current limit value with a staircase waveform. A PWM control unit compares a measurement signal SENA obtained by a coil current measurement unit with the reference signal VCA at intervals of a PWM timing signal generated by a PWM timing signal generation unit, and switches transistors of a bridge rectification circuit ON and OFF according to the comparison, thereby PWM controlling a supply current to a coil. A discharge instruction signal generation unit issues a discharge instruction signal MMCPA when the reference signal VCA decreases. In response, a PWM control unit forms a current path in the bridge rectification circuit to cause a regenerative current to flow back into a power supply and capacitor.

    Abstract translation: 参考信号生成单元生成表示具有阶梯波形的电流限制值的基准信号VCA。 PWM控制单元将由线圈电流测量单元获得的测量信号SENA与由PWM定时信号生成单元生成的PWM定时信号的间隔与参考信号VCA进行比较,并且根据 进行比较,从而PWM控制到线圈的电源电流。 当参考信号VCA减小时,放电指令信号产生单元发出放电指令信号MMCPA。 作为响应,PWM控制单元在桥式整流电路中形成电流路径,以使再生电流回流到电源和电容器中。

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