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    • 5. 发明授权
    • Cascade locking detection method and antilock brake control method
    • 级联锁定检测方法和防抱死制动控制方法
    • US5860710A
    • 1999-01-19
    • US886115
    • 1997-06-30
    • Noriyuki Takemasa
    • Noriyuki Takemasa
    • B60T8/1761B60T8/1769B60T8/32B60T8/66B60T8/62
    • B60T8/322B60T8/1769
    • A method is provided to detect, without the use of G-sensors, possible cascade locking in a four-wheel drive vehicle equipped with wheel speed sensors. The method measures the speed of each wheel with the respective wheel-speed sensor, and derives an estimated vehicle speed and a front and rear speed difference between the front and rear wheel speeds from the wheel speeds. When the deceleration of the estimated vehicle speed is smaller than a first threshold value and the absolute value of the front and rear speed difference is larger than a second threshold value, and if the change in the speed of the front wheels is smaller than the change in the front and rear speed difference at a time when the absolute value of the difference diminishes, then cascade locking of the four wheels is deemed to be starting.
    • 提供了一种方法来检测配备有轮速传感器的四轮驱动车辆中不使用G传感器可能的级联锁定。 该方法利用相应的车轮速度传感器测量每个车轮的速度,并从车轮速度导出车轮前后速度与车轮前后速度之间的前后速度差。 当估计车速的减速度小于第一阈值并且前后速度差的绝对值大于第二阈值时,并且如果前轮的速度变化小于变化的速度 在差异的绝对值减小时的前后速度差中,则认为四个轮的级联锁定开始。
    • 6. 发明授权
    • Lock detection method and lock detection circuit for motor for power-folding mirror
    • 用于电动折叠镜的电机的锁定检测方法和锁定检测电路
    • US07940017B2
    • 2011-05-10
    • US12123715
    • 2008-05-20
    • Noriyuki Takemasa
    • Noriyuki Takemasa
    • H02P1/00
    • B60R1/07H02P7/29H02P29/0241
    • The present invention is intended to, when rotation of a mirror rotation unit in a power-folding mirror is mechanically locked and its drive motor is thereby locked, make it possible to correctly detect this locked state. A motor 10 for a power-folding mirror is reversibly driven by an H-bridge drive circuit 12 formed of FETs 1 to 4. When the motor 10 is driven in normal rotation by turning the FETs 1 and 4 on and turning the FETs 2 and 3 off, the FET 1 is periodically turned off to detect a voltage of a terminal 10a of the motor 10 by means of a voltage detection circuit 14. When the FET 1 is turned off and the motor 10 is not locked, the motor 10 generates power by means of its inertial rotation, and when locked, the motor 10 generates no power, so the voltage detected by the voltage detection circuit 14 changes according to whether or not the motor 10 is locked. A CPU 20 determines whether or not the motor 10 is locked according to the voltage detected by the voltage detection circuit 14.
    • 本发明的目的在于,当电动折页镜中的反光镜旋转单元的旋转被机械地锁定并且其驱动电动机由此被锁定时,可以正确地检测该锁定状态。 用于电力折叠镜的电动机10由由FET 1至4形成的H桥驱动电路12可逆地驱动。当通过使FET1和4转动并使FET2转动并驱动电动机10而正常旋转时,电动机10 3关闭时,FET 1周期性地关闭,以通过电压检测电路14检测电动机10的端子10a的电压。当FET1断开并且电动机10未被锁定时,电动机10产生 通过其惯性旋转进行动力,并且当被锁定时,电动机10不产生动力,所以由电压检测电路14检测到的电压根据电动机10是否被锁定而改变。 CPU20根据由电压检测电路14检测到的电压来判断电动机10是否被锁定。
    • 7. 发明授权
    • DC brush motor rotation amount detection method and apparatus
    • 直流电刷电机旋转量检测方法及装置
    • US07282877B2
    • 2007-10-16
    • US11281187
    • 2005-11-16
    • Noriyuki TakemasaAyako YamadaHiromi IwasakiNorihiro Suzuki
    • Noriyuki TakemasaAyako YamadaHiromi IwasakiNorihiro Suzuki
    • H02K21/00
    • B60R1/072
    • The present invention provides a DC brush motor rotation amount detection method comprising the steps of: counting pulses generated by switching of brushes when a DC brush motor rotates; removing any noise pulse generated during a pulse rejection period which is shorter than a pulse interval and which is started when each pulse is generated; counting pulses generated during pulse acceptance periods outside the pulse rejection periods; and detecting a rotation amount of the DC brush motor, wherein the pulse rejection period during steady-state operation of the DC brush motor is ended when a predetermined time elapses from a start point of the pulse rejection period, where the predetermined time is calculated by multiplying a pulse interval of a corresponding pulse zone one rotation before a pulse zone to which the pulse rejection period belongs by a coefficient K(½
    • 本发明提供一种DC电刷电动机旋转量检测方法,包括以下步骤:当DC电刷电动机旋转时,计数由电刷切换产生的脉冲; 消除在脉冲抑制期间产生的噪声脉冲,该脉冲抑制周期短于脉冲间隔,并且在产生每个脉冲时开始; 在脉冲接收周期之外产生的脉冲计数脉冲; 以及检测直流电刷电动机的旋转量,其中当从脉冲抑制周期的起点经过预定时间时,直流电刷电动机的稳态运行期间的脉冲抑制周期结束,其中预定时间由 在脉冲抑制周期所属的脉冲区域之前将相应脉冲区间的脉冲间隔乘以系数K(½
    • 8. 发明授权
    • Control method, control circuit, and control program for power retractable outer mirror for a vehicle
    • 用于车辆的电力可伸缩外镜的控制方法,控制电路和控制程序
    • US08049452B2
    • 2011-11-01
    • US12079279
    • 2008-03-26
    • Mitsuyoshi NagaoNoriyuki Takemasa
    • Mitsuyoshi NagaoNoriyuki Takemasa
    • G05B5/00
    • B60R1/074
    • A control method can stop motor operation reliably when a mirror rotator is mechanically locked at a driven end of the mirror rotator. The control method operates a motor 18 according to battery voltage. The motor 18 is operated with an operating time set and is stopped after a lapse of the set operating time, where the operating time is a time required for the motor 18 to drive the mirror rotator 14 from the retracted position or the working position to the working position or the retracted position at which the mirror rotator 14 is locked by a stopper. The control method detects the battery voltage, and decreases the set operating time of the motor 18 when the detected battery voltage is high or increases the set operating time of the motor 18 when the detected battery voltage is low.
    • 当镜子旋转器被机械地锁定在镜子旋转体的驱动端时,控制方法可以可靠地停止电机操作。 控制方法根据电池电压来操作电动机18。 电动机18在设定的运转时间下运行,并且在经过设定的运行时间之后停止,其中运转时间是马达18将反光镜旋转器14从缩回位置或工作位置驱动到 工作位置或反光镜旋转器14被止动器锁定的缩回位置。 控制方法检测电池电压,并且当检测到的电池电压高时减小电动机18的设定操作时间,或者当检测到的电池电压低时增加电动机18的设定操作时间。
    • 9. 发明申请
    • Control method, control circuit, and control program for power retractable mirror
    • 电力可伸缩镜的控制方法,控制电路和控制程序
    • US20090001910A1
    • 2009-01-01
    • US12079279
    • 2008-03-26
    • Mitsuyoshi NagaoNoriyuki Takemasa
    • Mitsuyoshi NagaoNoriyuki Takemasa
    • H02P3/08
    • B60R1/074
    • A control method can stop motor operation reliably when a mirror rotator is mechanically locked at a driven end of the mirror rotator. The control method operates a motor 18 according to battery voltage. The motor 18 is operated with an operating time set and is stopped after a lapse of the set operating time, where the operating time is a time required for the motor 18 to drive the mirror rotator 14 from the retracted position or the working position to the working position or the retracted position at which the mirror rotator 14 is locked by a stopper. The control method detects the battery voltage, and decreases the set operating time of the motor 18 when the detected battery voltage is high or increases the set operating time of the motor 18 when the detected battery voltage is low.
    • 当镜子旋转器被机械地锁定在镜子旋转体的驱动端时,控制方法可以可靠地停止电机操作。 控制方法根据电池电压来操作电动机18。 电动机18在设定的运转时间下运行,并且在经过设定的运行时间之后停止,其中运转时间是马达18将反光镜旋转器14从缩回位置或工作位置驱动到 工作位置或反光镜旋转器14被止动器锁定的缩回位置。 控制方法检测电池电压,并且当检测到的电池电压高时减小电动机18的设定操作时间,或者当检测到的电池电压低时增加电动机18的设定操作时间。
    • 10. 发明申请
    • DC brush motor rotation amount detection method and apparatus
    • 直流电刷电机旋转量检测方法及装置
    • US20060208722A1
    • 2006-09-21
    • US11281187
    • 2005-11-16
    • Noriyuki TakemasaAyako YamadaHiromi IwasakiNorihiro Suzuki
    • Noriyuki TakemasaAyako YamadaHiromi IwasakiNorihiro Suzuki
    • G01R33/10
    • B60R1/072
    • The present invention provides a DC brush motor rotation amount detection method comprising the steps of: counting pulses generated by switching of brushes when a DC brush motor rotates; removing any noise pulse generated during a pulse rejection period which is shorter than a pulse interval and which is started when each pulse is generated; counting pulses generated during pulse acceptance periods outside the pulse rejection periods; and detecting a rotation amount of the DC brush motor, wherein the pulse rejection period during steady-state operation of the DC brush motor is ended when a predetermined time elapses from a start point of the pulse rejection period, where the predetermined time is calculated by multiplying a pulse interval of a corresponding pulse zone one rotation before a pulse zone to which the pulse rejection period belongs by a coefficient K(½
    • 本发明提供一种DC电刷电动机旋转量检测方法,包括以下步骤:当DC电刷电动机旋转时,计数由电刷切换产生的脉冲; 消除在脉冲抑制期间产生的噪声脉冲,该脉冲抑制周期短于脉冲间隔,并且在产生每个脉冲时开始; 在脉冲接收周期之外产生的脉冲计数脉冲; 以及检测直流电刷电动机的旋转量,其中当从脉冲抑制周期的起点经过预定时间时,直流电刷电动机的稳态运行期间的脉冲抑制周期结束,其中预定时间由 在脉冲抑制周期所属的脉冲区域之前将相应脉冲区间的脉冲间隔乘以系数K(½