公开(公告)号：US11716044B2

公开(公告)日：2023-08-01

申请号：US17637679

申请日：2019-09-02

Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION

Inventor： Fumio Watanabe

IPC: H02P27/08 ,  H02P23/22

CPC classification number: H02P27/085 ,  H02P23/22 ,  H02P2205/03

Abstract: A power conversion device includes an inverter, a current detector, a frequency analysis processor, a storage, a determination unit, a reference rotational rate change unit, and a rate controller. The determination unit determines a frequency at which a signal component having a magnitude exceeding a prescribed value has been detected among frequency components of a load current, generates restriction information for excluding a reference rotational rate for a rotational rate corresponding to the detected frequency based on a determination result after the determination, and causes the storage to store the generated restriction information. The reference rotational rate change unit changes a reference rotational rate of an electric motor so that mechanical resonance of the detected frequency is avoided based on the stored restriction information. The rate controller controls a rotational rate of the inverter using the changed reference rotational rate. The electric motor is driven at the controlled rotational rate.

公开(公告)号：US20160380565A1

公开(公告)日：2016-12-29

申请号：US14872196

申请日：2015-10-01

Applicant: ANPEC ELECTRONICS CORPORATION

Inventor： KUN-MIN CHEN

IPC: H02P6/08 ,  H02P6/14 ,  H02P21/00

CPC classification number: H02P6/085 ,  H02P6/14 ,  H02P21/0003 ,  H02P23/22 ,  H02P27/08

Abstract: The present disclosure illustrates a motor drive circuit. The motor drive circuit includes a resistor module, a multiplexer, a data control unit, an analog-to-digital converter and a register. The resistor module receives an input voltage and generates at least one parameter voltage. The parameter voltage is associated with a motor speed curve of a motor. The multiplexer receives the parameter voltage. The data control unit controls the multiplexer to output the parameter voltage. The analog-to-digital converter receives the parameter voltage and converts the parameter voltage to digital form, and then outputs the digital parameter voltage to the data control unit. The register stores the digital parameter voltage outputted by the data control unit. A controller determines the motor speed curve according to the digital parameter voltage stored in the register, and drives the motor in response to the motor speed curve.

Abstract translation: 本公开示出了电动机驱动电路。 马达驱动电路包括电阻模块，多路复用器，数据控制单元，模数转换器和寄存器。 电阻模块接收输入电压并产生至少一个参数电压。 参数电压与电机的电机转速曲线相关。 多路复用器接收参数电压。 数据控制单元控制多路复用器输出参数电压。 模数转换器接收参数电压并将参数电压转换为数字形式，然后将数字参数电压输出到数据控制单元。 寄存器存储由数据控制单元输出的数字参数电压。 控制器根据存储在寄存器中的数字参数电压来确定电机转速曲线，并根据电机速度曲线驱动电机。

公开(公告)号：US09272866B2

公开(公告)日：2016-03-01

申请号：US14199286

申请日：2014-03-06

Applicant: Natsuko Ishizuka ,  Tatsuya Watahiki

Inventor： Natsuko Ishizuka ,  Tatsuya Watahiki

IPC: B65H7/02 ,  H02P6/16 ,  H02P23/00

CPC classification number: B65H7/02 ,  B65H2511/20 ,  B65H2511/22 ,  B65H2513/11 ,  B65H2513/53 ,  B65H2553/51 ,  B65H2555/252 ,  B65H2557/33 ,  B65H2601/12 ,  H02P6/16 ,  H02P23/22 ,  B65H2220/01 ,  B65H2220/03 ,  B65H2220/02

Abstract: Provided is a conveyance device that includes: a conveyance unit configured to convey a conveyance object; a motor configured to drive the conveyance unit; a sensor configured to detect a position of the conveyance object; an instruction unit configured to generate an instruction signal for conveying the conveyance object to a target position; and a control unit configured to control the motor by performing a speed feedback control and control the motor so as to cancel a delay between a time when the position of the conveyance object is detected and a time when the speed feedback control is reflected on the motor.

Abstract translation: 提供一种输送装置，其包括：输送单元，其构造成输送输送对象; 构造成驱动输送单元的马达; 被配置为检测所述输送物体的位置的传感器; 指令单元，被配置为生成用于将所述输送对象传送到目标位置的指示信号; 以及控制单元，其被配置为通过执行速度反馈控制和控制所述电动机来控制所述电动机，以便消除在检测到所述输送对象的位置的时刻与所述电动机之间反映速度反馈控制的时刻之间的延迟 。

公开(公告)号：US20150263659A1

公开(公告)日：2015-09-17

申请号：US14639811

申请日：2015-03-05

Applicant: LSIS CO., LTD.

Inventor： Min Hun CHI

IPC: H02P23/00

CPC classification number: H02P23/22 ,  G01D5/2451 ,  G01P3/481 ,  G01P3/489

Abstract: An apparatus for detecting speed of a motor is disclosed, the apparatus including an amplifier configured to amplify a two-phase sine-wave signal inputted from an encoder based on rotation of a motor; a first conversion unit configured to convert the two-phase sine-wave signal to a digital data; a second conversion unit configured to convert the two-phase sine-wave signal to a square-wave signal; a counter unit configured to accumulate by counting the square-wave signal; and a speed determination unit configured to determine a speed of the motor, by receiving the digital data from the first conversion unit and the accumulated count from the counter unit.

Abstract translation: 公开了一种用于检测电动机速度的装置，该装置包括：放大器，用于放大基于电动机旋转从编码器输入的两相正弦波信号; 第一转换单元，被配置为将两相正弦波信号转换为数字数据; 第二转换单元，被配置为将所述两相正弦波信号转换成方波信号; 计数器单元，被配置为通过对方波信号进行计数来累加; 以及速度确定单元，被配置为通过从第一转换单元接收数字数据和来自计数器单元的累加计数来确定电动机的速度。

公开(公告)号：US20150180385A1

公开(公告)日：2015-06-25

申请号：US14248131

申请日：2014-04-08

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Sang Hyun PARK ,  Joo Yul KO

IPC: H02P6/08 ,  H02P6/18 ,  H02P6/00

CPC classification number: H02P27/08 ,  H02P23/22 ,  H02P27/085

Abstract: A system for driving a motor may include a motor apparatus including a rotor and a stator, a driving controller generating a voltage command using a target speed input from the outside or a speed of the rotor, and a driving signal generating apparatus including a plurality of inverters, generating a motor driving signal in response to the voltage command using one of the plurality of inverters, and providing the generated motor driving signal to the motor apparatus.

Abstract translation: 用于驱动电动机的系统可以包括具有转子和定子的电动机装置，使用从外部输入的目标速度或转子的速度产生电压指令的驱动控制器，以及驱动信号生成装置， 逆变器，使用多个逆变器之一响应于电压指令产生电动机驱动信号，并将生成的电动机驱动信号提供给电动机装置。

公开(公告)号：US08994298B2

公开(公告)日：2015-03-31

申请号：US13642706

申请日：2012-02-24

Applicant: Toshio Inaji ,  Takeshi Shimamoto ,  Kozo Ezawa

Inventor： Toshio Inaji ,  Takeshi Shimamoto ,  Kozo Ezawa

IPC: H02K41/00 ,  G03B13/00 ,  H02P23/00

CPC classification number: H02P23/005 ,  H02P23/18 ,  H02P23/22

Abstract: A movement control apparatus includes: an actuator that causes a driven body connected to a driving coil to perform reciprocating movement; a signal generation unit that generates a velocity command signal which indicates a target velocity of the driven body; a driving unit that supplies electric current corresponding to a driving signal to the driving coil; a voltage detection unit that detects induced voltage generated in the driving coil, and outputs a voltage signal corresponding to the induced voltage; a signal correction unit that corrects, based on the driving signal and the voltage signal, the voltage signal to adjust a shift of a resistance value from a reference resistance value of the driving coil, thereby generating a velocity signal; and a control unit that generates the driving signal based on the velocity command signal and the velocity signal, and outputs the driving signal to the driving unit.

Abstract translation: 运动控制装置包括：致动器，其使得与驱动线圈连接的从动体进行往复运动; 信号生成单元，生成表示被驱动体的目标速度的速度指令信号; 驱动单元，其向驱动线圈提供与驱动信号相对应的电流; 电压检测单元，其检测在所述驱动线圈中产生的感应电压，并输出与所述感应电压对应的电压信号; 信号校正单元，其基于驱动信号和电压信号来校正电压信号，以调整电阻值与驱动线圈的参考电阻值的偏移，从而生成速度信号; 以及控制单元，其基于速度指令信号和速度信号产生驱动信号，并将驱动信号输出到驱动单元。

公开(公告)号：US20150015172A1

公开(公告)日：2015-01-15

申请号：US14073220

申请日：2013-11-06

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Bon Young GU

IPC: H02P29/00

CPC classification number: H02P23/22

Abstract: The present invention relates to a motor controller which includes a motor; an oscillator for generating a clock signal; a speed detection unit for detecting the rotational speed of the motor from a pulse signal generated according to the rotation of the motor and the clock signal; and a sampling period determination unit for determining a sampling period by compensating an error generated in the oscillator and provides an useful effect that can precisely control the rotational speed of the motor in spite of the error of the oscillator.

Abstract translation: 电动机控制器技术领域本发明涉及一种电动机控制器，其包括电动机; 用于产生时钟信号的振荡器; 速度检测单元，用于根据根据电动机的旋转和时钟信号产生的脉冲信号来检测电动机的转速; 以及采样周期确定单元，用于通过补偿振荡器中产生的误差来确定采样周期，并且提供尽管振荡器的误差能够精确地控制电动机的转速的有用效果。

公开(公告)号：US20130221883A1

公开(公告)日：2013-08-29

申请号：US13773541

申请日：2013-02-21

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Bon Young Gu

IPC: H02P6/08

CPC classification number: H02P6/08 ,  H02P23/22

Abstract: Disclosed herein is a motor driving circuit including: a duty ratio detection unit that detects a duty ratio of input pulse-width-modulation applied to control a speed of a motor; and a driving control unit that detects an output duty ratio corresponding to the duty ratio of the input pulse-width-modulation by using relationship data between the duty ratio of the input pulse-width-modulation and an output duty ratio that are previously stored and controls a duty ratio of a driving signal applied to the motor according to the output duty ratio. By this configuration, a speed of the motor can be accurately controlled.

Abstract translation: 本发明公开了一种马达驱动电路，包括：占空比检测单元，其检测施加的输入脉宽调制的占空比以控制马达的速度; 以及驱动控制单元，其通过使用预先存储的输入脉宽调制的占空比和输出占空比之间的关系数据来检测与输入的脉宽调制的占空比相对应的输出占空比， 根据输出占空比来控制施加到电动机的驱动信号的占空比。 通过该结构，能够精确地控制电动机的转速。

公开(公告)号：US08278859B2

公开(公告)日：2012-10-02

申请号：US12836927

申请日：2010-07-15

Applicant: Koji Sakai ,  Akitomo Yamanaka

Inventor： Koji Sakai ,  Akitomo Yamanaka

IPC: H02P6/00

CPC classification number: H02P27/08 ,  H02P23/22

Abstract: An electric motor drive device has an inverter adjusting the voltage applied to an AC electric motor so as to drive the AC electric motor, a capacitor which is charged by a current supplied from a DC power supply supplying DC voltage between a neutral point at which a plurality of coils of the AC electric motor are connected and a positive rail or negative rail of an inverter and passing through the inverter, and a control circuit controlling the inverter so that the AC electric motor turns at a designated speed. Further, the control circuit selectively uses field weakening control and voltage boosting control for control of the inverter according to the conditions of the induced voltage generated at the AC electric motor, DC power supply, and voltage of the capacitor.

Abstract translation: 电动机驱动装置具有：变换器，对施加于交流电动机的电压进行调节，以驱动交流电动机;电容器，其由在直流电源供给的直流电源提供的电流充电， 连接交流电动机的多个线圈和逆变器的正轨或负轨，并通过逆变器，控制电路控制逆变器，使得交流电动机以指定的速度转动。 此外，控制电路根据在交流电动机上产生的感应电压，直流电源和电容器的电压的条件选择性地使用弱化控制和升压控制来控制逆变器。

公开(公告)号：US20050134494A1

公开(公告)日：2005-06-23

申请号：US11006745

申请日：2004-12-08

Applicant: Masaru Kohara

Inventor： Masaru Kohara

IPC: H02M7/5387 ,  H02P27/06 ,  H03M1/12

CPC classification number: H02M7/53873 ,  H02P23/22

Abstract: An inverter control microcomputer 10 comprises AD converters 21-23, a selector control circuit 31, and a selector 32. The selector 32 selects three analog signals from among inputted seven analog signals in accordance with control from the selector control circuit 31. A control signal generation section, which comprises a CPU 11 and an inverter control signal generation circuit 17, generates a motor control signal Cntl based on three digital values obtained by the respective AD converters 21-23. By performing AD conversion concurrently for arbitrary three analog signals, it is possible to eliminate a phase shift between the detected analog signals and perform motor control with high precision. Thus, it is possible to detect an analog signal necessary for control of a motor, etc., at an appropriate timing without increasing the number of AD converters.

Abstract translation: 逆变器控制微计算机10包括AD转换器21-23，选择器控制电路31和选择器32。 选择器32根据来自选择器控制电路31的控制从输入的七个模拟信号中选择三个模拟信号。 包括CPU 11和逆变器控制信号生成电路17的控制信号生成部基于由各个AD转换器21-23获得的三个数字值生成电动机控制信号Cnt1。 通过同时执行任意三个模拟信号的AD转换，可以消除检测到的模拟信号之间的相移，并以高精度执行电动机控制。 因此，可以在不增加AD转换器的数量的情况下，在适当的时刻检测控制电动机等所需的模拟信号。