公开(公告)号：US08963461B2

公开(公告)日：2015-02-24

申请号：US13949439

申请日：2013-07-24

申请人： Toshiba Schneider Inverter Corporation

发明人： Hiroki Arima

IPC分类号： H02P21/00 ,  H02P21/14

CPC分类号： H02P21/0096 ,  H02P21/143 ,  H02P21/24

摘要： A motor control device includes an inverter driving an electric motor, a vector controller determining an output frequency and a command output voltage to drive the inverter, a speed controller determining a torque command value, a current command calculation unit and an inertia moment estimation unit obtaining a load torque estimate value and estimating inertia moment that is a combination of inertia moment of a motor rotor and inertia moment of a load apparatus, based on a deviation between an acceleration/deceleration torque output value obtained by subtraction of the load torque estimation from motor torque and an acceleration/deceleration torque estimate value obtained by multiplying a variation amount in the speed estimate value per unit time by an inertia moment estimate value. The speed controller is configured to be capable of adjusting a control parameter based on an inertia moment estimate value estimated by the inertia moment estimation unit.

摘要翻译： 电动机控制装置包括驱动电动机的逆变器，确定输出频率的矢量控制器和驱动逆变器的指令输出电压，确定转矩指令值的速度控制器，电流指令运算部和惯性矩估计部 基于通过从电动机减去负载转矩估计而获得的加速/减速转矩输出值之间的偏差来估计作为负载装置的惯性力矩与负载装置的惯性力矩的组合的惯性矩， 扭矩和通过将每单位时间的速度估计值中的变化量乘以惯性矩估计值而获得的加速/减速转矩估计值。 速度控制器被配置为能够基于由惯性力矩估计单元估计的惯性力矩估计值来调整控制参数。

公开(公告)号：US20140028224A1

公开(公告)日：2014-01-30

申请号：US13949439

申请日：2013-07-24

申请人： Toshiba Schneider Inverter Corporation

发明人： Hiroki ARIMA

IPC分类号： H02P21/00

CPC分类号： H02P21/0096 ,  H02P21/143 ,  H02P21/24

摘要： A motor control device includes an inverter driving an electric motor, a vector controller determining an output frequency and a command output voltage to drive the inverter, a speed controller determining a torque command value, a current command calculation unit and an inertia moment estimation unit obtaining a load torque estimate value and estimating inertia moment that is a combination of inertia moment of a motor rotor and inertia moment of a load apparatus, based on a deviation between an acceleration/deceleration torque output value obtained by subtraction of the load torque estimation from motor torque and an acceleration/deceleration torque estimate value obtained by multiplying a variation amount in the speed estimate value per unit time by an inertia moment estimate value. The speed controller is configured to be capable of adjusting a control parameter based on an inertia moment estimate value estimated by the inertia moment estimation unit.

摘要翻译： 电动机控制装置包括驱动电动机的逆变器，确定输出频率的矢量控制器和驱动逆变器的指令输出电压，确定转矩指令值的速度控制器，电流指令运算部和惯性矩估计部 基于通过从电动机减去负载转矩估计而获得的加速/减速转矩输出值之间的偏差来估计作为负载装置的惯性力矩与负载装置的惯性力矩的组合的惯性矩， 扭矩和通过将每单位时间的速度估计值中的变化量乘以惯性矩估计值而获得的加速/减速转矩估计值。 速度控制器被配置为能够基于由惯性力矩估计单元估计的惯性力矩估计值来调整控制参数。

公开(公告)号：US5175483A

公开(公告)日：1992-12-29

申请号：US763144

申请日：1991-09-20

申请人： Hiroshi Fujii ,  Atsuhiko Nakamura ,  Takatsugu Kambara ,  Satoshi Ibori

发明人： Hiroshi Fujii ,  Atsuhiko Nakamura ,  Takatsugu Kambara ,  Satoshi Ibori

IPC分类号： H02P27/06 ,  H02P21/00 ,  H02P27/04

CPC分类号： H02P21/143 ,  H02P21/13 ,  H02P21/16 ,  H02P27/047 ,  H02P21/00

摘要： In a motor speed controller for controlling an AC motor to be driven at a variable speed, a signal proportional to a load torque and a signal proportional to an output torque of the AC motor are found by current detecting means for detecting the primary current of the AC motor, and integrated over the speed changing period, and the integrated values are divided by the values corresponding to the amounts of speed change during the speed changing period so that the moment of inertia can be computed. In addition, there is provided means for changing the rate of output frequency change caused by the output frequency command into a value according to the calculated moment of inertia. Moreover, there is provided a circuit for detecting a sudden change of the calculated moment of inertia, so that when a sudden change occurs, an abnormality signal is generated.

公开(公告)号：US09768720B2

公开(公告)日：2017-09-19

申请号：US15234165

申请日：2016-08-11

申请人： LITE-ON ELECTRONICS (GUANGZHOU) LIMITED ,  LITE-ON TECHNOLOGY CORP.

发明人： Sheng-Ming Yang ,  Kuang-Wei Lin

IPC分类号： H02P7/00 ,  H02P23/14 ,  G05B19/416 ,  H02P21/14 ,  H02P21/20

CPC分类号： H02P23/14 ,  G05B19/416 ,  G05B2219/34015 ,  G05B2219/50185 ,  H02P21/14 ,  H02P21/143 ,  H02P21/20

摘要： A method for estimating operation parameters of a servomotor is described. The method includes the steps of: driving the servomotor to rotate stably at an initial angular velocity; computing d- and q-axis components of an initial voltage when the servomotor rotates at the initial angular velocity; accelerating the servomotor to a predetermined angular velocity according to the initial voltage; and computing at least one operation parameter of the servomotor after the servomotor rotates at the predetermined angular velocity.

公开(公告)号：US09689375B2

公开(公告)日：2017-06-27

申请号：US14634053

申请日：2015-02-27

申请人： GAMESA INNOVATION & TECHNOLOGY, S. L.

发明人： Francisco Jimenez Buendia

IPC分类号： F03D9/00 ,  H02P9/04 ,  F03D7/02 ,  H02P9/00 ,  H02P21/14 ,  F03D9/25 ,  H02J3/38

CPC分类号： F03D7/0284 ,  F03D7/0276 ,  F03D9/257 ,  F03D80/88 ,  F05B2270/1033 ,  F05B2270/107 ,  F05B2270/337 ,  H02J3/386 ,  H02P9/00 ,  H02P21/143 ,  Y02E10/723 ,  Y02E10/763

摘要： Inertia control system for a wind turbine comprising a rotor (5), generator (12) driven by the rotor (5) that interacts with a power converter (13) to generate electricity, a wind turbine controller (15) that comprises a blade pitch controller (19) and a generated power controller (18), a controller for the power converter (14) that interacts with the wind turbine controller (15), characterized because it comprises an inertia emulation block (17) that generates an extra power signal (32) negatively proportional to the frequency change rate (23) that is added to the power reference of the wind turbine generated power controller (15) and adapts the rotational speed reference of the wind turbine controller (15) according to the grid frequency (21) to prevent distortion in the active power output after adding or subtracting power in proportion to the frequency change rate (23).

公开(公告)号：US20170045870A1

公开(公告)日：2017-02-16

申请号：US15234165

申请日：2016-08-11

申请人： LITE-ON ELECTRONICS (GUANGZHOU) LIMITED ,  LITE-ON TECHNOLOGY CORP.

发明人： SHENG-MING YANG ,  KUANG-WEI LIN

IPC分类号： G05B19/042 ,  H02P23/14 ,  H02P6/34

CPC分类号： H02P23/14 ,  G05B19/416 ,  G05B2219/34015 ,  G05B2219/50185 ,  H02P21/14 ,  H02P21/143 ,  H02P21/20

摘要： A method for estimating operation parameters of a servomotor is described. The method includes the steps of: driving the servomotor to rotate stably at an initial angular velocity; computing d- and q-axis components of an initial voltage when the servomotor rotates at the initial angular velocity; accelerating the servomotor to a predetermined angular velocity according to the initial voltage; and computing at least one operation parameter of the servomotor after the servomotor rotates at the predetermined angular velocity.

摘要翻译： 描述了用于估计伺服电机的操作参数的方法。 该方法包括以下步骤：驱动伺服马达以初始角速度稳定旋转; 当伺服电动机以初始角速度旋转时，计算初始电压的d轴和q轴分量; 根据初始电压将伺服电机加速到预定的角速度; 以及在所述伺服电动机以预定角速度旋转之后计算所述伺服电动机的至少一个操作参数。

公开(公告)号：US09021876B2

公开(公告)日：2015-05-05

申请号：US13590708

申请日：2012-08-21

申请人： Jussi Tamminen ,  Tero Ahonen ,  Jero Ahola ,  Markku Niemelä

发明人： Jussi Tamminen ,  Tero Ahonen ,  Jero Ahola ,  Markku Niemelä

IPC分类号： F04D27/00 ,  F04D25/06 ,  F04D25/08 ,  H02P23/14 ,  F04D29/70 ,  H02P21/14

CPC分类号： F04D27/001 ,  F04D25/06 ,  F04D25/08 ,  F04D29/703 ,  H02P21/143 ,  H02P23/14

摘要： A method for determining a change in a mass of a fan impeller. The method includes inducing a torque to the fan impeller and determining a change in the angular speed of the fan impeller, induced by the torque. A value for a first parameter representing a present mass of the fan impeller is determined on the basis of the change in the angular speed and the torque. The change in the mass is then determined on the basis of the first parameter and a second parameter representing the reference mass of the fan impeller.

摘要翻译： 一种用于确定风扇叶轮的质量变化的方法。 该方法包括向风扇叶轮诱导扭矩并确定由扭矩引起的风扇叶轮的角速度的变化。 基于角速度和转矩的变化来确定表示风扇叶轮的当前质量的第一参数的值。 然后基于第一参数和表示风扇叶轮的参考质量的第二参数来确定质量的变化。

公开(公告)号：US12103201B2

公开(公告)日：2024-10-01

申请号：US18032260

申请日：2021-09-13

申请人： HUSQVARNA AB

发明人： Magnus Rosén ,  Victor Johansson ,  David Dufke ,  Johan Berg

IPC分类号： B28D7/00 ,  B25F5/00 ,  B28D1/04 ,  H02H7/085 ,  H02K7/14 ,  H02P3/22 ,  H02P6/182 ,  H02P21/14 ,  B27G19/04

CPC分类号： B28D7/005 ,  B25F5/00 ,  B28D1/04 ,  H02H7/0854 ,  H02K7/145 ,  H02P3/22 ,  H02P6/182 ,  H02P21/143 ,  B27G19/04

摘要： A hand-held electrically powered cut-off tool (100) for cutting concrete and stone by a rotatable cutting disc (105), the cut-off tool (100) comprising an electric motor (130) arranged to be controlled by a control unit (110) via a motor control interface (120), wherein the control unit (110) is arranged to obtain data indicative of an angular velocity of the cutting disc (105), and to detect a kickback condition based on a decrease in angular velocity, and wherein the control unit (110) is arranged to electromagnetically brake the electric motor (130) in response to detecting a kickback condition.

公开(公告)号：US20190158006A1

公开(公告)日：2019-05-23

申请号：US15940968

申请日：2018-03-30

申请人： KABUSHIKI KAISHA YASKAWA DENKI

发明人： Yasufumi YOSHIURA ,  Yasuhiko KAKU ,  Shouta KAWAHARA

IPC分类号： H02P21/14 ,  H02P29/40 ,  H02P21/22 ,  H02P23/20 ,  H02P25/06 ,  H02P27/02

CPC分类号： H02P21/143 ,  H02P6/34 ,  H02P21/13 ,  H02P21/22 ,  H02P23/20 ,  H02P25/06 ,  H02P27/02 ,  H02P29/40

摘要： A motor control device includes output command calculation circuitry and inertial load value calculation circuitry. The output command calculation circuitry is configured to calculate a motor output command, based on a motor acceleration command and an inertial load value indicative of a magnitude of inertia of a load on a motor. The inertial load value calculation circuitry is configured to calculate an estimated inertial load value with an adaptive observer, based on the motor output command and a motor actual output to be output from the motor, and configured to calculate the inertial load value, based on the estimated inertial load value.

公开(公告)号：US20180083562A1

公开(公告)日：2018-03-22

申请号：US15563173

申请日：2016-01-05

申请人： SIEMENS AKTIENGESELLSCHAFT

发明人： JÖRN BADE ,  MIHALY NEMETH-CSOKA ,  MICHAEL NEUDECK

IPC分类号： H02P21/14 ,  G05B13/04 ,  G05B13/02

CPC分类号： H02P21/143 ,  B25J9/1638 ,  G05B13/0245 ,  G05B13/042 ,  G05B13/048 ,  G05B2219/41163

摘要： A method for operating a controller apparatus for controlling a drive apparatus having a load moment and a moment of inertia, includes determining an estimated load value of the load moment by a load moment estimator during a constant-running phase, when a drive speed of the drive apparatus is kept to a constant setpoint value by the controller apparatus, using a model to describe an association between the moment of inertia and the load moment and generating an estimated inertia value of the moment of inertia as a pilot control of the moment of inertia based on the model during the constant-running phase. Further disclosed are a controller apparatus and a drive apparatus designed to carry out the method.