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公开(公告)号：US09219436B2
公开(公告)日：2015-12-22
申请号：US14023884
申请日：2013-09-11
Applicant: MINEBEA CO., LTD.
Inventor： Masato Aoki
Abstract: A driving control device of a motor includes: a motor driving unit, which drives a motor in response to a driving control signal; and a control unit, which determines an energization pattern applied to an armature coil based on a detected rotational position of the rotor, wherein the control unit starts rotation control by a preset first energization pattern when activating of the motor, wherein when a predetermined time period has elapsed, the control unit adjusts energizing timing to be a timing, at which a short of each phase is not caused at switching of the energization pattern, and then outputs the driving control signal to the motor driving unit so that the rotation control is switched to rotation control of a second energization pattern, which has a predetermined advanced angle amount with respect to the first energization pattern.
Abstract translation: 电动机的驱动控制装置包括：电动机驱动单元，其响应于驱动控制信号驱动电动机; 以及控制单元，其基于所检测到的所述转子的旋转位置来确定施加到电枢线圈的通电模式，其中，当所述电动机启动时，所述控制单元通过预设的第一通电模式开始旋转控制，其中当预定时间段 控制单元将通电时刻调整成在通电模式切换时不产生每相短路的定时，然后将驱动控制信号输出到马达驱动单元，使得旋转控制切换 对相对于第一通电图案具有预定提前角度量的第二通电图案的旋转控制。
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Patent Agency Ranking
公开(公告)号：US09584049B2
公开(公告)日：2017-02-28
申请号：US14719716
申请日：2015-05-22
Applicant: MINEBEA CO., LTD.
Inventor： Masato Aoki
Abstract: An H-bridge circuit controls a motor and includes a first series circuit of switching elements and a second series circuit of switching elements connected in parallel to the first series circuit. A motor driving control method includes a step of turning each of the switching elements Q2, Q3 off and turning-on or performing PWM control on the switching element Q1 and also turning the switching elements Q4 on; a step of performing PWM control on Q1; a step of turning off Q1; a step of repeating for a predetermined number of times a first kickback suppression period during which Q2 is turned on and Q4 is turned off and a second kickback suppression period during which Q2 is turned off and Q4 is turned on; and a step of turning Q2 on and turning on or performing PWM control on Q3.
Abstract translation: H桥电路控制电动机，并且包括开关元件的第一串联电路和与第一串联电路并联连接的开关元件的第二串联电路。 电动机驱动控制方法包括使开关元件Q2，Q3中的每一个断开并导通或对开关元件Q1执行PWM控制并且还使开关元件Q4导通的步骤; 在Q1上执行PWM控制的步骤; 关闭Q1的一个步骤; 重复预定次数的第二反冲抑制期间，其中Q2导通和Q4截止;以及第二反冲抑制周期，其中Q2关闭，Q4导通; 并且在Q3上打开Q2并打开或执行PWM控制的步骤。
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公开(公告)号：US09543866B2
公开(公告)日：2017-01-10
申请号：US14952170
申请日：2015-11-25
Applicant: MINEBEA CO., LTD.
Inventor： Hiroyuki Kaidu , Masato Aoki
Abstract: A motor drive controller is for controlling a motor having multiple phases and includes: a comparison reference voltage generator that generates a predetermined constant voltage as a comparison reference voltage; a counter-electromotive voltage comparator that compares the comparison reference voltage with a counter-electromotive voltage of each phase of the motor; and a rotation state detector that detects a rotation state of the motor based on positive/negative polarities of counter-electromotive voltages of other phases with respect to the comparison reference voltage at the time of an occurrence of a zero cross between the counter-electromotive voltage of any one phase and the comparison reference voltage.
Abstract translation: 电机驱动控制器用于控制具有多相的电动机，并且包括：比较参考电压发生器，其产生作为比较参考电压的预定恒定电压; 一个反电动势电压比较器，用于比较比较参考电压与电机各相的反电动势; 以及旋转状态检测器，其基于在反电动势电压之间的零交叉时发生相对于比较参考电压的其它相的反电压电压的正/负极性来检测电动机的旋转状态 的任一相和比较参考电压。
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公开(公告)号：US09748879B2
公开(公告)日：2017-08-29
申请号：US14939515
申请日：2015-11-12
Applicant: MINEBEA CO., LTD.
Inventor： Hiroyuki Kaidu , Masato Aoki
Abstract: A motor drive controller is provided with: a motor drive circuit that drives a motor and having a position detector that detects a position of a rotor of the motor and outputs a position detection signal; a motor control circuit that generates a rotation pulse signal based on the position detection signal output by the motor drive circuit; and a microcomputer that is provided with at least one timer and outputs a conversion signal that is obtained by multiplying the rotation pulse signal by n, where n is a natural number equal to or greater than two.
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公开(公告)号：US09007011B2
公开(公告)日：2015-04-14
申请号：US13760333
申请日：2013-02-06
Applicant: Minebea Co., Ltd.
Inventor： Masato Aoki
Abstract: A driving control device of a brushless motor includes an inverter circuit having: first arm-side switching elements that are connected between respective phases of respective armature coils of the brushless motor and one terminal of a power supply; and second arm-side switching elements that are connected between respective phases of the respective armature coils and the other terminal of the power supply, and a control unit, wherein, in a short-circuit braking according to a short-circuit braking signal, the control unit outputs a signal of turning off all the first arm-side switching element and outputs a signal of controlling the at least one of the second arm-side switching elements to perform a switching operation and turning on the other second arm-side switching elements.
Abstract translation: 无刷电动机的驱动控制装置包括：逆变器电路，具有：第一臂侧开关元件，其连接在无刷电动机的各个电枢线圈的各相和电源的一个端子之间; 以及连接在各个电枢线圈的各相和电源的另一个端子之间的第二臂侧开关元件，以及控制单元，其中，在根据短路制动信号的短路制动中， 控制单元输出关闭所有第一臂侧开关元件的信号，并输出控制第二臂侧开关元件中的至少一个的信号，进行开关动作，并使其他第二臂侧开关元件 。
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公开(公告)号：US09742327B2
公开(公告)日：2017-08-22
申请号：US15151945
申请日：2016-05-11
Applicant: MINEBEA CO., LTD.
Inventor： Hiroyuki Kaidu , Yuji Omura , Kouji Kebukawa , Masato Aoki
Abstract: A motor drive controller includes: a motor driver that applies a voltage to each phase of a motor to rotate; a rotational position detector that detects rotational position of the motor and generates rotational position information indicating the rotational position; and a controller that outputs, to the motor driver, driving control signals for repeatedly adjusting an advance angle and a lag angle at energization switching of the each phase of the motor in a prescribed pattern based on the rotational position information generated by the rotational position detector.
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