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1. 发明授权

US08410744B2 Motor driving apparatus 有权
标题翻译：电机驱动装置
公开(公告)号：US08410744B2
公开(公告)日：2013-04-02
申请号：US13215563
申请日：2011-08-23
申请人： Yasusuke Iwashita , Shinichi Horikoshi , Takashi Harada , Masakazu Niwa , Koujirou Sakai
发明人： Yasusuke Iwashita , Shinichi Horikoshi , Takashi Harada , Masakazu Niwa , Koujirou Sakai
IPC分类号： H02P27/04
CPC分类号： H02P3/18 , H02P3/14 , H02P23/20
摘要： During motor acceleration control period that starts at time T1, if power supply output or supply current exceeds a predetermined level at time T2, PWM control in a PWM converter is turned off until a deceleration control period of T3 to T4 ends. As a result, DC link voltage (voltage of a power storage device) at the start of the deceleration control at time T3 drops to provide space for storing regenerative power; since the PWM control in the PWM converter is off during the deceleration control period, the regenerative power can be stored into the power storage device and reused in the next control cycle.
摘要翻译：在时刻T1开始的电动机加速控制期间，如果电力供应输出或电源电流在时间T2超过预定电平，则PWM转换器中的PWM控制被截止，直到T3至T4的减速控制周期结束。结果，在时刻T3的减速控制开始时的直流链路电压（蓄电装置的电压）下降，提供存储再生电力的空间; 由于PWM转换器中的PWM控制在减速控制期间关闭，所以再生功率可以存储到蓄电装置中并在下一个控制周期中重新使用。

2. 发明授权

US08415906B2 Motor driving apparatus 有权
标题翻译：电机驱动装置
公开(公告)号：US08415906B2
公开(公告)日：2013-04-09
申请号：US13215499
申请日：2011-08-23
申请人： Yasusuke Iwashita , Masakazu Niwa , Takashi Harada , Koujirou Sakai , Shinichi Horikoshi
发明人： Yasusuke Iwashita , Masakazu Niwa , Takashi Harada , Koujirou Sakai , Shinichi Horikoshi
IPC分类号： H02P3/14 , H02P3/18
CPC分类号： H02M5/4585 , H02P3/14 , H02P6/085 , H02P6/28 , H02P7/281
摘要： When the output of motor reaches or exceeds a predetermined value during acceleration of the motor, the control target value of the DC link voltage which is the voltage of a power storage device is gradually lowered in corresponding relationship to the motor output. When the motor enters a constant speed control mode, the DC link control target value is maintained at a constant level. When the motor enters a deceleration control mode, the DC link control target value is gradually raised in corresponding relationship to the motor output, and regenerative power is recovered by the power storage device and reused in the next control cycle.
摘要翻译：当电动机的加速期间电动机的输出达到或超过预定值时，作为蓄电装置的电压的直流母线电压的控制目标值与电动机输出相对应地逐渐降低。当电机进入恒速控制模式时，直流链路控制目标值保持恒定。当电动机进入减速控制模式时，直流母线控制目标值与电动机输出相对应地逐渐升高，再生电力由蓄电装置恢复并在下一个控制周期中重新使用。

3. 发明申请

US20120068636A1 MOTOR DRIVING APPARATUS 有权
标题翻译：电机驱动装置
公开(公告)号：US20120068636A1
公开(公告)日：2012-03-22
申请号：US13215499
申请日：2011-08-23
申请人： Yasusuke IWASHITA , Masakazu Niwa , Takashi Harada , Koujirou Sakai , Shinichi Horikoshi
发明人： Yasusuke IWASHITA , Masakazu Niwa , Takashi Harada , Koujirou Sakai , Shinichi Horikoshi
IPC分类号： H02P3/14
CPC分类号： H02M5/4585 , H02P3/14 , H02P6/085 , H02P6/28 , H02P7/281
摘要： When the output of motor reaches or exceeds a predetermined value during acceleration of the motor, the control target value of the DC link voltage which is the voltage of a power storage device is gradually lowered in corresponding relationship to the motor output. When the motor enters a constant speed control mode, the DC link control target value is maintained at a constant level. When the motor enters a deceleration control mode, the DC link control target value is gradually raised in corresponding relationship to the motor output, and regenerative power is recovered by the power storage device and reused in the next control cycle.
摘要翻译：当电动机的加速期间电动机的输出达到或超过预定值时，作为蓄电装置的电压的直流母线电压的控制目标值与电动机输出相对应地逐渐降低。当电机进入恒速控制模式时，直流链路控制目标值保持恒定。当电动机进入减速控制模式时，直流母线控制目标值与电动机输出相对应地逐渐升高，再生电力由蓄电装置恢复并在下一个控制周期中重新使用。

4. 发明申请

US20120068637A1 MOTOR DRIVING APPARATUS 有权
标题翻译：电机驱动装置
公开(公告)号：US20120068637A1
公开(公告)日：2012-03-22
申请号：US13215563
申请日：2011-08-23
申请人： Yasusuke Iwashita , Shinichi Horikoshi , Takashi Harada , Masakazu Niwa , Koujirou Sakai
发明人： Yasusuke Iwashita , Shinichi Horikoshi , Takashi Harada , Masakazu Niwa , Koujirou Sakai
IPC分类号： H02P3/14
CPC分类号： H02P3/18 , H02P3/14 , H02P23/20
摘要： During motor acceleration control period that starts at time T1, if power supply output or supply current exceeds a predetermined level at time T2, PWM control in a PWM converter is turned off until a deceleration control period of T3 to T4 ends. As a result, DC link voltage (voltage of a power storage device) at the start of the deceleration control at time T3 drops to provide space for storing regenerative power; since the PWM control in the PWM converter is off during the deceleration control period, the regenerative power can be stored into the power storage device and reused in the next control cycle.
摘要翻译：在时刻T1开始的电动机加速控制期间，如果电力供应输出或电源电流在时间T2超过预定电平，则PWM转换器中的PWM控制被截止，直到T3至T4的减速控制周期结束。结果，在时刻T3的减速控制开始时的直流链路电压（蓄电装置的电压）下降，提供存储再生电力的空间; 由于PWM转换器中的PWM控制在减速控制期间关闭，所以再生功率可以存储到蓄电装置中并在下一个控制周期中重新使用。

5. 发明授权

US08030878B2 Motor driving device having power failure detection function 有权
标题翻译：具有断电检测功能的电机驱动装置
公开(公告)号：US08030878B2
公开(公告)日：2011-10-04
申请号：US12958690
申请日：2010-12-02
申请人： Yasusuke Iwashita , Tadashi Okita , Masakazu Niwa
发明人： Yasusuke Iwashita , Tadashi Okita , Masakazu Niwa
IPC分类号： H02P27/04
CPC分类号： H02H3/247 , G01R31/42 , H02H7/0833 , H02P29/00
摘要： A motor driving device that accurately achieves power failure detection according to a power failure tolerance with a relatively simple configuration. A counter input computing unit determines, as a counter input value, a value that is inversely proportional to the power failure tolerance determined from a voltage amplitude value and supplies the counter input value to a counter. The counter accumulates the input value at predetermined intervals and outputs an output value. A comparator determines that power failure occurs if the output of the counter 42 exceeds a threshold value.
摘要翻译：一种电动机驱动装置，其以相对简单的结构，根据电力故障容限精确地实现停电检测。计数器输入计算单元确定作为计数器输入值的与电压振幅值确定的停电容限成反比的值，并将计数器输入值提供给计数器。计数器以预定间隔累积输入值并输出输出值。如果计数器42的输出超过阈值，则比较器确定发生电源故障。

6. 发明授权

US07863853B2 Electric motor control device 有权
标题翻译：电动机控制装置
公开(公告)号：US07863853B2
公开(公告)日：2011-01-04
申请号：US12132103
申请日：2008-06-03
申请人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa , Tomohisa Tsutsumi
发明人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa , Tomohisa Tsutsumi
IPC分类号： H02P1/26
CPC分类号： H02P21/0003 , H02P21/08 , H02P21/22
摘要： An excitation current processor of a current controller processes the excitation current corresponding to the magnetic flux instruction from the magnetic flux instruction processor. It multiplies this excitation current with a boost coefficient to obtain an excitation current instruction. Here, the boost coefficient is determined based on the difference obtained by subtracting the magnetic flux estimation value processed by the magnetic flux processor based on the excitation current feedback from the voltage conversion device from the magnetic flux instruction input from the magnetic flux instruction processor. Further, the boost coefficient can be found from the function of time from the start of the rise of the magnetic flux.
摘要翻译：电流控制器的励磁电流处理器处理与来自磁通指令处理器的磁通指令对应的励磁电流。它将该励磁电流与升压系数相乘以获得励磁电流指令。这里，根据从磁通指令处理器输入的磁通指令，基于从电压变换装置的励磁电流反馈减去由磁通量处理器处理的磁通量估计值而得到的差值来确定升压系数。此外，可以从磁通量的上升开始的时间的函数中求出升压系数。

7. 发明授权

US07368887B2 Servo control device and method of adjusting servo system 有权
标题翻译：伺服控制装置及伺服系统调整方法
公开(公告)号：US07368887B2
公开(公告)日：2008-05-06
申请号：US11356291
申请日：2006-02-17
申请人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa
发明人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa
IPC分类号： G05B11/32
CPC分类号： G05B19/406 , G05B2219/35292 , G05B2219/35338 , G05B2219/37078 , G05B2219/37619
摘要： A servo control device that displays, by a two-dimensional image, evaluation of control precision of a servo system, includes: an instruction unit that instructs a position instruction having periodicity; a unit that records a track of position data based on a position feedback of a servo system according to the position instruction; and a first drawing unit that draws position data based on the position feedback, data before a quarter cycle or after a quarter cycle of the position data or position data based on the position instruction before a quarter cycle or after a quarter cycle, on a two-dimensional plane including orthogonal two axes, as the axis data of the orthogonal two axes respectively.
摘要翻译：一种通过二维图像显示伺服系统的控制精度的评估的伺服控制装置包括：指示具有周期性的位置指令的指令单元; 根据位置指令，基于伺服系统的位置反馈来记录位置数据的轨迹的单元; 以及第一绘图单元，其基于位置反馈，在四分之一周期之前的数据或基于在四分之一周期之前或四分之一周期之后的位置指令的位置数据或位置数据的四分之一周期之后的位置数据包括正交两轴的三维平面分别作为正交两轴的轴数据。

8. 发明授权

US08664897B2 Motor drive apparatus having power failure detection unit for determining presence or absence of power failure 有权
标题翻译：具有断电检测单元的电机驱动装置，用于确定电源故障的有无
公开(公告)号：US08664897B2
公开(公告)日：2014-03-04
申请号：US13612975
申请日：2012-09-13
申请人： Yasusuke Iwashita , Tadashi Okita , Masakazu Niwa
发明人： Yasusuke Iwashita , Tadashi Okita , Masakazu Niwa
IPC分类号： H02P3/14
CPC分类号： H02P3/14 , B29C45/7666 , B29C2045/7673 , H02P5/74 , H02P27/06 , Y02P70/26 , Y02P70/261
摘要： A motor drive apparatus includes a rectifier which converts AC power to DC power and DC power to AC power, an inverter which converts the DC power output by the rectifier to AC power and supplies the AC power to a motor, and which converts regenerative power from the motor to DC power and returns the DC power to the rectifier, a DC voltage detection unit which detects a DC output voltage of the rectifier, an AC voltage detection unit which detects an AC output voltage of the rectifier, a frequency calculation unit which calculates the frequency of the AC voltage; a storage unit which stores as a reference value the DC voltage at the start of the regenerative operation, and a power failure detection unit which determines the presence or absence of a power failure by using the DC voltage, the reference value, and the AC voltage frequency.
摘要翻译：一种电动机驱动装置，其特征在于包括：将交流电转换为直流电，直流电到交流电的整流器;将由整流器输出的直流电力转换成交流电的逆变器，将交流电力提供给电动机，电动机直流供电并返回到整流器的直流电力;检测整流器的直流输出电压的直流电压检测单元;检测整流器的交流输出电压的交流电压检测单元，计算整流器的交流输出电压的频率计算单元; 交流电压的频率; 存储单元，其以再生操作开始时的DC电压作为参考值存储;以及停电检测单元，其通过使用所述DC电压，所述参考值和AC电压来确定是否存在电力故障频率。

9. 发明授权

US07719218B2 Motor control apparatus 有权
标题翻译：电机控制装置
公开(公告)号：US07719218B2
公开(公告)日：2010-05-18
申请号：US11873653
申请日：2007-10-17
申请人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa , Geng Li
发明人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa , Geng Li
IPC分类号： H02P7/00
CPC分类号： G05B19/4065 , B23Q17/09 , G05B2219/37228 , G05B2219/37246 , G05B2219/37256 , G05B2219/42295 , G05B2219/42304
摘要： A motor control apparatus for computing or outputting motor load information, comprises: a storage unit which stores a function or table obtained in advance based on parameters used for the computation of the load information and on an actually measured value of a motor output or motor torque; and a load meter computing unit which computes the load information from the function or table stored in the storage unit by using the parameters used for the computation of the load information. With the above configuration, the load meter is computed in such a manner as to accurately indicate the load condition of a motor in real time over the entire speed range of the motor including the nonlinear control region of the motor, and the motor is controlled using the thus computed value or the computed value is displayed on a display unit.
摘要翻译：一种用于计算或输出电动机负载信息的电动机控制装置，包括：存储单元，其基于用于负载信息的计算的参数和电动机输出或电动机转矩的实际测量值来存储预先获得的功能或表 ; 以及负载表计算单元，其通过使用用于计算负载信息的参数，从存储在存储单元中的功能或表计算负载信息。通过上述结构，计算负载计量器，以便在包括电动机的非线性控制区域的电动机的整个速度范围内实时准确地指示电动机的负载状态，并且使用这样计算的值或计算值被显示在显示单元上。

10. 发明申请

US20060186849A1 Servo control device and method of adjusting servo system 有权
标题翻译：伺服控制装置及伺服系统调整方法
公开(公告)号：US20060186849A1
公开(公告)日：2006-08-24
申请号：US11356291
申请日：2006-02-17
申请人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa
发明人： Yasusuke Iwashita , Takahiro Akiyama , Masakazu Niwa
IPC分类号： G05B19/33
CPC分类号： G05B19/406 , G05B2219/35292 , G05B2219/35338 , G05B2219/37078 , G05B2219/37619
摘要： The invention relates to a numerical control (NC) device, and provides a servo control device that displays, by a two-dimensional image, evaluation of control precision of a servo system, and that can adjust the servo system according to a visual method, and provides a method of adjusting the servo system. The control device includes: an instruction unit that instructs a position instruction having periodicity; a unit that records a track of position data based on a position feedback of a servo system according to the position instruction; and a first drawing unit that draws position data based on the position feedback, data before a quarter cycle or after a quarter cycle of the position data or position data based on the position instruction before a quarter cycle or after a quarter cycle, on a two-dimensional plane including orthogonal two axes, as the axis data of the orthogonal two axes respectively.
摘要翻译：本发明涉及一种数控装置，提供一种伺服控制装置，其通过二维图像显示伺服系统的控制精度的评价，并且可以根据目视方式调整伺服系统，并提供一种调整伺服系统的方法。控制装置包括：指示具有周期性的位置指令的指令单元; 根据位置指令，基于伺服系统的位置反馈来记录位置数据的轨迹的单元; 以及第一绘图单元，其基于位置反馈，在四分之一周期之前的数据或基于在四分之一周期之前或四分之一周期之后的位置指令的位置数据或位置数据的四分之一周期之后的位置数据包括正交两轴的三维平面分别作为正交两轴的轴数据。

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