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    Method for sensing the back electromotive force induced in the winding of a voice coil motor
    3.
    发明授权
    Method for sensing the back electromotive force induced in the winding of a voice coil motor 有权
    用于感测在音圈电机的绕组中感应的反电动势的方法

    公开(公告)号：US07215094B2

    公开(公告)日：2007-05-08

    申请号：US11381432

    申请日：2006-05-03

    申请人： Giuseppe Maiocchi ,  Ezio Galbiati ,  Michele Boscolo

    发明人： Giuseppe Maiocchi ,  Ezio Galbiati ,  Michele Boscolo

    IPC分类号： G11B21/02

    CPC分类号： H02P6/182 ,  H02P25/034

    摘要： A method for sensing a back electromotive force induced in a winding of a voice coil electro-mechanical actuator controlled in a discontinuous mode by alternating conduction phases to off-phases includes sensing voltage at terminals of the winding during an off-phase The winding is driven during a conduction phase immediately preceding the off-phase to invert, during a final portion of the conduction phase before entering an off-phase, a direction of flow of the current through the winding.

    摘要翻译： 用于感测在不连续模式下控制的音圈机电致动器的绕组中感应到的反电动势的方法是通过将导通相交替为非相，包括在断相期间感测绕组端子处的电压。绕组被驱动 在紧邻异相之前的导通阶段期间，在进入截止相之前的导通阶段的最后部分期间，电流通过绕组的流动方向。

    MANAGEMENT APPARATUS OF A ROTATING MOTOR AND AN ANNEXED LOAD DURING POWER LOSS
    4.
    发明申请
    MANAGEMENT APPARATUS OF A ROTATING MOTOR AND AN ANNEXED LOAD DURING POWER LOSS 有权
    旋转电机的管理设备和电力损失期间的附加负载

    公开(公告)号：US20120161678A1

    公开(公告)日：2012-06-28

    申请号：US13330410

    申请日：2011-12-19

    申请人： Giuseppe Maiocchi ,  Ezio Galbiati

    发明人： Giuseppe Maiocchi ,  Ezio Galbiati

    IPC分类号： H02P7/00

    CPC分类号： G11B21/12 ,  G11B5/54 ,  G11B19/2081

    摘要： A management apparatus is described of a rotating motor and a load during power loss; the apparatus comprises a first switching circuit coupled with the rotating motor and a controller of said first switching circuit. The controller is configured to drive the first switching circuit so as to convert a back-electromotive force voltage developed in the rotating motor into a power supply voltage for the load. The first switching circuit is driven in accordance with a first duty cycle. The apparatus comprises a second switching circuit coupled with the load and driven in accordance with a second duty cycle. The controller is configured to vary said first and said second duty cycles to keep the power supply voltage for the load above or equal to a threshold voltage.

    摘要翻译： 在停电期间描述了旋转电动机和负载的管理装置; 该装置包括与旋转电动机耦合的第一开关电路和所述第一开关电路的控制器。 控制器被配置为驱动第一开关电路，以将在旋转电动机中产生的反电动势电压转换为负载的电源电压。 第一开关电路根据第一占空比被驱动。 该装置包括与负载耦合并根据第二占空比驱动的第二开关电路。 控制器被配置为改变所述第一和所述第二占空比以将负载的电源电压保持在高于或等于阈值电压。

    METHOD FOR SENSING THE BACK ELECTROMOTIVE FORCE INDUCED IN THE WINDING OF A VOICE COIL MOTOR
    5.
    发明申请
    METHOD FOR SENSING THE BACK ELECTROMOTIVE FORCE INDUCED IN THE WINDING OF A VOICE COIL MOTOR 有权
    用于感测在电话线圈电机绕组中产生的反电动力的方法

    公开(公告)号：US20060250099A1

    公开(公告)日：2006-11-09

    申请号：US11381432

    申请日：2006-05-03

    申请人： Giuseppe Maiocchi ,  Ezio Galbiati ,  Michele Boscolo

    发明人： Giuseppe Maiocchi ,  Ezio Galbiati ,  Michele Boscolo

    IPC分类号： H02P25/12

    CPC分类号： H02P6/182 ,  H02P25/034

    摘要： A method for sensing a back electromotive force induced in a winding of a voice coil electro-mechanical actuator controlled in a discontinuous mode by alternating conduction phases to off-phases includes sensing voltage at terminals of the winding during an off-phase The winding is driven during a conduction phase immediately preceding the off-phase to invert, during a final portion of the conduction phase before entering an off-phase, a direction of flow of the current through the winding.

    摘要翻译： 用于感测在不连续模式下控制的音圈机电致动器的绕组中感应到的反电动势的方法是通过将导通相交替为非相，包括在断相期间感测绕组端子处的电压。绕组被驱动 在紧邻异相之前的导通阶段期间，在进入截止相之前的导通阶段的最后部分期间，电流通过绕组的流动方向。

    System for increasing the definition in converting a digital datum in a PWM signal for driving a full-bridge output stage
    6.
    发明授权
    System for increasing the definition in converting a digital datum in a PWM signal for driving a full-bridge output stage 失效
    用于增加在PWM信号中转换数字数据以驱动全桥输出级的定义的系统

    公开(公告)号：US06310912B1

    公开(公告)日：2001-10-30

    申请号：US09112999

    申请日：1998-07-10

    申请人： Giuseppe Maiocchi ,  Ezio Galbiati

    发明人： Giuseppe Maiocchi ,  Ezio Galbiati

    IPC分类号： H03K908

    CPC分类号： H03M1/825 ,  H02M7/53873

    摘要： The definition of conversion of a digital value in a PWM signal using an N-bit up/down counter is improved by increasing the dimension of the input data to N+2 bits. This is done using the two Lsb's of the N+2 input data for selecting one among three intermediate levels between two consecutive values of an N-bit dynamic, according to a predefined table of combinations. The converter may still use an N-bit comparator. The system is particularly useful in driving a multi-phase brushless DC motor with each phase-winding singularly driven through a full-bridge output stage.

    摘要翻译： 通过将输入数据的尺寸增加到N + 2位，可以提高使用N位向上/向下计数器在PWM信号中转换数字值的定义。 这是通过使用N + 2个输入数据的两个Lsb进行的，用于根据预定义的组合表来选择N位动态的两个连续值之间的三个中间级之一。 转换器仍然可以使用N位比较器。 该系统在驱动具有通过全桥输出级单相驱动的每个相绕组的多相无刷直流电动机时特别有用。

    Management apparatus of a rotating motor and an annexed load during power loss
    7.
    发明授权
    Management apparatus of a rotating motor and an annexed load during power loss 有权
    断电时旋转电机的管理装置和附加负载

    公开(公告)号：US08659250B2

    公开(公告)日：2014-02-25

    申请号：US13330410

    申请日：2011-12-19

    申请人： Giuseppe Maiocchi ,  Ezio Galbiati

    发明人： Giuseppe Maiocchi ,  Ezio Galbiati

    IPC分类号： H02P6/18

    CPC分类号： G11B21/12 ,  G11B5/54 ,  G11B19/2081

    摘要： A management apparatus is described of a rotating motor and a load during power loss; the apparatus comprises a first switching circuit coupled with the rotating motor and a controller of said first switching circuit. The controller is configured to drive the first switching circuit so as to convert a back-electromotive force voltage developed in the rotating motor into a power supply voltage for the load. The first switching circuit is driven in accordance with a first duty cycle. The apparatus comprises a second switching circuit coupled with the load and driven in accordance with a second duty cycle. The controller is configured to vary said first and said second duty cycles to keep the power supply voltage for the load above or equal to a threshold voltage.

    摘要翻译： 在停电期间描述了旋转电动机和负载的管理装置; 该装置包括与旋转电动机耦合的第一开关电路和所述第一开关电路的控制器。 控制器被配置为驱动第一开关电路，以将在旋转电动机中产生的反电动势电压转换为负载的电源电压。 第一开关电路根据第一占空比被驱动。 该装置包括与负载耦合并根据第二占空比驱动的第二开关电路。 控制器被配置为改变所述第一和所述第二占空比以将负载的电源电压保持在高于或等于阈值电压。

    Method for driving a brushless DC electric motor
    8.
    发明授权
    Method for driving a brushless DC electric motor 失效
    无刷直流电动机的驱动方法

    公开(公告)号：US5731670A

    公开(公告)日：1998-03-24

    申请号：US624697

    申请日：1996-03-27

    申请人： Ezio Galbiati ,  Giuseppe Maiocchi

    发明人： Ezio Galbiati ,  Giuseppe Maiocchi

    IPC分类号： H02P6/18 ,  H02P6/20 ,  H02P7/00

    CPC分类号： H02P6/18 ,  H02P6/21

    摘要： A circuit and method for driving a brushless sensorless direct current (DC) motor (2), using the steps of: at the beginning of each phase, driving the motor in PWM mode; monitoring the duration (Tc) between successive zero-crossings of the back electromotive force (BEMF), and accordingly predicting the next zero-crossing; and before the next predicted zero-crossing, switching to a linear driving mode only until the actual zero-crossing of the BEMF.

    摘要翻译： 一种用于驱动无刷无传感器直流（DC）电动机（2）的电路和方法，其特征在于使用以下步骤：在每相开始时以PWM模式驱动电动机; 监测反电动势（BEMF）的连续过零点之间的持续时间（Tc），并据此预测下一个过零点; 并且在下一个预测过零点之前，切换到线性驱动模式，直到BEMF的实际过零。

    Motor controller with drive-signal conditioning
    9.
    发明授权
    Motor controller with drive-signal conditioning 有权
    电机控制器带驱动信号调理

    公开(公告)号：US08754602B2

    公开(公告)日：2014-06-17

    申请号：US12552989

    申请日：2009-09-02

    申请人： Frederic Bonvin ,  Ezio Galbiati

    发明人： Frederic Bonvin ,  Ezio Galbiati

    IPC分类号： H02P6/10

    CPC分类号： H02P6/10 ,  G11B19/20 ,  H02P6/085 ,  H02P6/18

    摘要： An embodiment of a motor controller includes a motor driver and a signal conditioner. The motor driver is configured to generate a motor-coil drive signal having a first component at a first frequency, and the signal conditioner is coupled to the motor driver and is configured to alter the first component. For example, if the first component of the motor-coil drive signal causes the motor to audibly vibrate (e.g., “whine”), then the signal conditioner may alter the amplitude or phase of the first component to reduce the vibration noise to below a threshold level.

    摘要翻译： 马达控制器的实施例包括马达驱动器和信号调节器。 电动机驱动器被配置为产生具有第一频率的第一分量的电动机线圈驱动信号，并且信号调节器耦合到电动机驱动器并且被配置为改变第一分量。 例如，如果电动机线圈驱动信号的第一分量使得电动机听起来振动（例如，“呜呜”），则信号调节器可以改变第一组件的幅度或相位，以将振动噪声降低到低于 门限等级。

    Driving apparatus for electric motor and related method
    10.
    发明授权
    Driving apparatus for electric motor and related method 有权
    电动机驱动装置及相关方法

    公开(公告)号：US08415908B2

    公开(公告)日：2013-04-09

    申请号：US12969274

    申请日：2010-12-15

    申请人： Ezio Galbiati

    发明人： Ezio Galbiati

    IPC分类号： H02P6/08

    CPC分类号： H02P6/085 ,  H02P6/182 ,  H02P29/02 ,  H02P29/0241

    摘要： A driving apparatus drives a brushless motor that includes a plurality of windings. The apparatus comprises a plurality of switch half-bridges connected to a power line and to the windings, a memory adapted to contain a plurality of signal profiles to be cyclically applied to the plurality of windings of the motor, a multiplier for multiplying the profile values of the signals from the memory by a scale factor, a control circuit adapted to generate PWM signals for the switches of the plurality of switch half-bridges according to values output by the multiplier, a polarity detector configured to detect the polarity of the current passing trough at least one winding of the motor and a scale factor controller configured to modify the scale factor according to the detected current polarity and so as to make each signal profile to be applied to each winding of the motor either higher than the back-electromotive force or equal to the back-electromotive force generated by the motor.

    摘要翻译： 驱动装置驱动包括多个绕组的无刷电动机。 该装置包括连接到电力线和绕组的多个开关半桥，适于包含循环地施加到电动机的多个绕组的多个信号轮廓的存储器，用于将轮廓值 来自存储器的信号通过比例因子，控制电路适于根据乘法器输出的值产生用于多个开关半桥的开关的PWM信号;极性检测器，被配置为检测电流通过的极性 通过电动机的至少一个绕组和比例因子控制器，该比例因子控制器被配置为根据检测到的电流极性来修正比例因子，并且使得每个信号轮廓要被施加到电动机的每个绕组高于反电动势 或等于由电动机产生的反电动势。