公开(公告)号：US5747833A

公开(公告)日：1998-05-05

申请号：US654707

申请日：1996-05-29

申请人： Yoshihiro Fujisaki ,  Shinichi Emura ,  Kazuyuki Takada

发明人： Yoshihiro Fujisaki ,  Shinichi Emura ,  Kazuyuki Takada

IPC分类号： H02M7/48 ,  H02P27/06 ,  H02P5/28

CPC分类号： H02P29/027 ,  H02P23/08 ,  F24F11/0079 ,  H02P21/09 ,  H02P2207/01 ,  Y02B30/746

摘要： A driving apparatus of an induction motor applied for drive of a fan of an air conditioner has a voltage limiter unit for limiting an upper limit of an output voltage of an inverter circuit, a voltage slow-up unit for converting an output signal of an output voltage commanding unit into a signal which increases gradually when that output signal rises, a voltage slow-down unit for converting the output signal of the output voltage commanding unit into a signal which decreases gradually when that output signal falls, and a feed interruption processing unit for setting the output signal value of the output voltage commanding unit to 0 when interrupting feeding and delivering a feed interruption signal at the termination of the lapse of a predetermined time.

摘要翻译： 用于驱动空调的风扇的感应电动机的驱动装置具有用于限制逆变器电路的输出电压的上限的限压器单元，用于转换输出的输出信号的电压缓慢单元 电压指令单元输入到当所述输出信号上升时逐渐增加的信号;电压降低单元，用于将所述输出电压指令单元的输出信号转换为当所述输出信号下降时逐渐减小的信号;以及馈送中断处理单元 用于在中断进给时将输出电压指令单元的输出信号值设定为0，并且在预定时间过去的结束时传送进给中断信号。

公开(公告)号：US5703459A

公开(公告)日：1997-12-30

申请号：US610826

申请日：1996-03-05

申请人： Masahiro Yasohara ,  Yoshihiro Fujisaki ,  Kazuyuki Takada

发明人： Masahiro Yasohara ,  Yoshihiro Fujisaki ,  Kazuyuki Takada

IPC分类号： H02H3/08 ,  H02H3/20 ,  H02H5/00 ,  H02H7/00 ,  H02H7/093 ,  H02M7/48 ,  H02P27/04 ,  H02P27/06 ,  H02P5/34

CPC分类号： H02P29/027 ,  H02H7/093 ,  H02P21/09 ,  H02P2207/01 ,  H02P23/08 ,  H02P27/047

摘要： A driver for an induction motor includes a voltage limiter which limits an upper limit value of an output voltage from an invertor circuit in accordance with an output frequency command, a lowest frequency limiter which limits a lower limit of an output frequency from the invertor circuit, a forward rotation limiter which outputs a first power supply interruption signal when the output frequency from the invertor circuit reaches the upper limit, a reverse rotation limiter which outputs a second power supply interruption signal when a reverse rotational speed of the motor reaches a reverse rotation limit level, and a low-speed overload detector which outputs a third power supply interruption signal when a state in which the second power supply interruption signal is not output continues in a low speed abnormality state.

摘要翻译： 用于感应电动机的驱动器包括限制器，该限幅器根据输出频率指令限制来自逆变器电路的输出电压的上限值，限制来自逆变器电路的输出频率的下限的最低频率限制器， 正转限制器，当来自逆变器电路的输出频率达到上限时，输出第一电源中断信号;反转限制器，当电动机的反转速度达到反转极限时输出第二电源中断信号 以及低速过载检测器，当不输出第二电源中断信号的状态在低速异常状态下继续时，输出第三电源中断信号。

公开(公告)号：US5929576A

公开(公告)日：1999-07-27

申请号：US839741

申请日：1997-04-15

申请人： Masahiro Yasohara ,  Kazuyuki Takada ,  Yoshihiro Fujisaki

发明人： Masahiro Yasohara ,  Kazuyuki Takada ,  Yoshihiro Fujisaki

IPC分类号： H02P6/06 ,  H02H7/08 ,  H02H7/093 ,  H02P6/00 ,  H02P6/12 ,  H02P6/16 ,  H02K23/00

CPC分类号： H02H7/0833 ,  H02P6/17 ,  H02P6/34 ,  H02H7/093

摘要： A protection apparatus used in a brushless motor is arranged by a brushless motor; a commutation signal detecting unit for detecting a position of a movable member of the brushless motor; a speed detecting unit for detecting a rotation speed of the movable member of the brushless motor, involving a rotation direction thereof, in response to the detection signal outputted from the commutation signal detecting unit; and a drive circuit for producing a commutation signal used to drive the movable member of the brushless motor in response to the detection signal outputted from the commutation signal detecting unit and for driving the brushless motor based upon the commutation signal. The protection apparatus is further constructed of an output voltage instructing unit for supplying to the drive circuit, an output voltage instruction signal for instructing an output voltage of the drive circuit, which constitutes a drive voltage when the brushless motor is driven; a voltage limit level setting unit for setting an upper limit value of the output voltage of the drive circuit; and a voltage limiter unit for limiting the output signal of the output voltage instructing unit based on the setting value of the voltage limit level setting unit to thereby limit an upper limit value of the output voltage of the drive circuit.

摘要翻译： 用于无刷电动机的保护装置由无刷电动机布置; 换流信号检测单元，用于检测无刷电机的可动件的位置; 速度检测单元，用于响应于从换流信号检测单元输出的检测信号，检测包括其旋转方向的无刷电动机的可动构件的转速; 以及用于产生换向信号的驱动电路，用于响应于从换向信号检测单元输出的检测信号驱动无刷电动机的可动件，并根据换向信号驱动无刷马达。 保护装置进一步由输出电压指令单元构成，用于向驱动电路提供用于指示驱动电路的输出电压的输出电压指令信号，该驱动电路在驱动无刷电动机时构成驱动电压; 电压限制电平设定单元，用于设定驱动电路的输出电压的上限值; 以及电压限制器单元，其基于所述电压限制电平设定单元的设定值来限制所述输出电压指示单元的输出信号，从而限制所述驱动电路的输出电压的上限值。

公开(公告)号：US5850130A

公开(公告)日：1998-12-15

申请号：US837476

申请日：1997-04-18

申请人： Yoshihiro Fujisaki ,  Kazuyuki Takada

发明人： Yoshihiro Fujisaki ,  Kazuyuki Takada

IPC分类号： H02P6/06 ,  C22C1/02 ,  H02P6/10 ,  H02P6/16

CPC分类号： H02P6/10 ,  C22C1/02 ,  H02P6/16

摘要： To use a sinusoidal wave as a driving waveform, and reduce noise and vibration, in an inexpensive constitution, a driving apparatus for the brushless motor includes a first data latch 16 for holding the value of address Au at an output signal timing of a first edge detecting means 10, and issuing as address value Aus, and third frequency adjusting means 20, including it, for issuing the result of adding rotating frequency Fsen to the product of address error Aerr obtained by subtracting the address value Aus held by the first data latch 16 from the reference address value Aref, rotating frequency Fsen, and control gain Ka, to an address counter 9 as frequency command Fref.

摘要翻译： 为了使用正弦波作为驱动波形并且降低噪声和振动，在廉价的结构中，用于无刷电动机的驱动装置包括第一数据锁存器16，用于将地址Au的值保持在第一边缘的输出信号定时 检测装置10，并且作为地址值Aus发布，以及第三频率调整装置20，用于将通过减去由第一数据锁存器保持的地址值Aus获得的地址误差Aerr的乘积发出加法旋转频率Fsen的结果 16，从参考地址值Aref，旋转频率Fsen和控制增益Ka到地址计数器9作为频率指令Fref。

公开(公告)号：US06211640B1

公开(公告)日：2001-04-03

申请号：US09473942

申请日：1999-12-29

申请人： Yoshihiro Fujisaki ,  Shinichi Emura

发明人： Yoshihiro Fujisaki ,  Shinichi Emura

IPC分类号： G05B2102

CPC分类号： H02P6/06 ,  H02P6/17

摘要： A motor control unit (1) includes a white noise generator (8), an instruction switch (9) for switching between an input control instruction (Vins) and a white noise output of the white noise generator (8), a controller (10) for feedback controlling the motor drive velocity, a detection unit (13) for detecting and sampling the real velocity of a motor or a load at a predetermined period, a first Fourier transformer (15) for Fourier-transforming the control instruction data (Cins) together with the sampled velocity data (Vm), and a first frequency characteristic operation unit (16) for calculating the frequency characteristics in a range from the velocity instruction (Cins) to the sampled velocity (Vm) based on output data of the first Fourier transformer (15), thus obtaining the frequency characteristics in a short period without necessity of a servo-analyzer.

摘要翻译： 电动机控制单元（1）包括白噪声发生器（8），用于在输入控制指令（Vins）和白噪声发生器（8）的白噪声输出之间切换的指令开关（9），控制器 ），用于对电机驱动速度进行反馈的检测单元（13），用于以预定周期检测和采样电机或负载的实际速度的检测单元（13），用于对控制指令数据（Cins ）和采样速度数据（Vm）以及第一频率特性运算单元（16），用于根据第一频率数据（Vm）的输出数据，计算从速度指令（Cins）到采样速度（Vm）的范围内的频率特性 傅立叶变换器（15），从而在不需要伺服分析器的情况下在短时间内获得频率特性。

公开(公告)号：US06806660B2

公开(公告)日：2004-10-19

申请号：US10315675

申请日：2002-12-10

申请人： Yoshihiro Fujisaki ,  Yuji Hamada

发明人： Yoshihiro Fujisaki ,  Yuji Hamada

IPC分类号： H02P767

CPC分类号： H02P31/00 ,  G05B2219/33226

摘要： A motor controlling serial communication device includes an upper controller having a first IC and a first connector, and motor drivers having second ICs, second connectors and third connectors. First cables and second cables are used for coupling the upper controller to the motor drivers, so that a daisy-chain connection is formed.

摘要翻译： 电动机控制串行通信装置包括具有第一IC和第一连接器的上控制器，以及具有第二IC，第二连接器和第三连接器的电机驱动器。 第一根电缆和第二根电缆用于将上部控制器连接到电机驱动器，从而形成一个菊花链连接。