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    • 4. 发明公开
    • AC MOTOR CONTROL DEVICE AND AC MOTOR CONTROL METHOD
    • WECHSELSTROM-MOTORSTEUERVORTHHTUNG UND WECHSELSTROM-MOTORSTEUERVERFAHREN
    • EP2190112A4
    • 2017-08-30
    • EP08837259
    • 2008-09-29
    • TOYOTA MOTOR CO LTD
    • HAYASHI KAZUHITO
    • H02P21/00H02P6/15H02P27/04H02P27/08
    • H02P21/06H02M2001/007H02P6/15H02P27/08H02P2209/095H02P2209/13
    • A device for controlling an alternating-current motor includes a resolver (25) for detecting a rotational position of an alternating-current motor (M1); and a rectangular wave voltage control unit (400) for performing control based on an output of the resolver (25) to provide a rectangular wave voltage to each phase of the alternating-current motor (M1). The control unit causes an amount of change ”¸ in a voltage phase of the rectangular wave voltage of each phase from a switching reference phase of each phase to increase or decrease equally for each switching in one cycle of an electrical angle determined based on the output of the resolver (25). In this way, a device for controlling an alternating-current motor is provided to restrain occurrence of an offset current upon rectangular wave voltage control.
    • 本发明提供一种交流电动机的控制装置,其具备检测交流电动机(M1)的旋转位置的分解器(25) 以及矩形波电压控制部(400),其基于分解器(25)的输出进行控制,对交流电动机(M1)的各相提供矩形波电压。 对于基于输出确定的电角度的一个周期中的每个切换,控制单元使得来自每个相的切换基准相位的每个相的矩形波电压的电压相位的变化量“¸”相等地增加或减少 的解析器(25)。 以这种方式,提供了用于控制交流电动机的装置,以抑制在矩形波电压控制时发生偏移电流。
    • 6. 发明公开
    • CONTROL FOR PULSE WIDTH MODULATED DRIVEN MOTORS
    • STEUERUNGFÜRPULSBREITENMODULIERT ANGETRIEBENE MOTOREN
    • EP3016269A1
    • 2016-05-04
    • EP15191604.6
    • 2015-10-27
    • Melexis Technologies NV
    • PAINTZ, Christian
    • H02P6/182H02P6/08H02P27/08
    • H02P27/08H02P6/085H02P6/15H02P6/182H02P2209/11H02P2209/13
    • A method (500) for assisting in operating a PWM driven motor comprising for at least one phase of the PWM driven motor: generating (520) a pulse width modulated phase voltage scheme (315) according to a desired phase profile with a base scaling factor, by time multiplexing a first pulse (313) and at least a further pulse (314) within a pulse width modulation period (316) of the phase the first pulse (313) having a pulse width according to a first profile, for that rotor position, multiplied with a first scaling factor, the first profile being in phase with the desired phase profile, and the at least a further pulse (314) having a pulse width corresponds with a further profile, for that rotor position, multiplied with a further scaling factor, the further profile being not in phase with the desired phase profile, whereby the first pulse (313) and the at least one further pulse (314) are positioned within the pulse width modulation period (316) of the phase in at least partially non-overlapping way.
    • 一种用于辅助操作PWM驱动电动机的方法(500),其包括用于所述PWM驱动电动机的至少一个相位的步骤:根据期望的相位曲线产生(520)脉宽调制相电压方案(315) 通过在该相位的脉冲宽度调制周期(316)内对于该转子具有具有脉冲宽度的第一脉冲(313)的时间复用第一脉冲(313)和至少另外的脉冲(314) 位置,乘以第一缩放因子,第一轮廓与期望的相位轮廓相位相同,并且具有脉冲宽度的至少另外的脉冲(314)对应于另一个轮廓,对于该转子位置乘以另一个轮廓 缩放因子,进一步的轮廓与期望的相位轮廓不同相,由此第一脉冲(313)和至少一个另外的脉冲(314)至少位于相位的脉冲宽度调制周期(316)内 部分不结束 研磨方式。
    • 10. 发明公开
    • MOTOR DRIVE APPARATUS AND METHOD OF CONTROLLING MOTOR DRIVE APPARATUS
    • 马达驱动装置和控制马达驱动装置的方法
    • EP3282574A1
    • 2018-02-14
    • EP16776564.3
    • 2016-04-06
    • MITSUBA Corporation
    • HOSHINO TakashiIWAZAKI Tamotsu
    • H02P6/17
    • H02P6/153H02M7/53871H02P6/17H02P2209/11H02P2209/13
    • In a motor drive apparatus, the brushless motor (11) has a three-phase motor structure, the Hall sensor (12) detects a magnetic flux change signal in an operation of the brushless motor (11), the control unit (13) obtains a rotor rotation number of the brushless motor (11) based on the magnetic flux change signal, calculates a predetermined electric angle even when the rotor rotation number is changed, and causes the gate driver (14) to output a PWM signal by which a power distribution timing to each phase of the brushless motor (11) is switched at the predetermined electric angle, and the inverter (15) sinusoidally changes and supplies a voltage supply to a stator coil of the brushless motor (11) based on the PWM signal.
    • 在电动机驱动装置中,无刷电动机(11)具有三相电动机结构,霍尔传感器(12)检测无刷电动机(11)的动作时的磁通变化信号,控制部(13)取得 基于磁通量变化信号的无刷电动机(11)的转子转数,即使在转子转数改变时也计算预定电角度,并且使栅极驱动器(14)输出PWM信号,通过该PWM信号,电力 以预定的电角切换无刷电动机(11)的各相的分配定时,并且逆变器(15)基于PWM信号正弦地改变并且向无刷电动机(11)的定子线圈供应电压源。