-
公开(公告)号：US20160173018A1
公开(公告)日：2016-06-16
申请号：US15053273
申请日：2016-02-25
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Thomas A. Nondahl , Jingbo Liu , Semyon Royak , Peter B. Schmidt , Ehsan Al-Nabi , Jingya Dai
CPC classification number: H02P21/24 , H02M1/126 , H02M7/53873 , H02M2001/0009 , H02M2007/53876 , H02P6/08 , H02P6/28 , H02P21/13 , H02P21/18 , H02P21/26 , H02P27/06 , H02P27/08
Abstract: Disclosed examples include methods, computer readable mediums and motor drive power conversion systems for sensorless speed control of a motor driven by an inverter through an intervening filter, a transformer and a motor cable, in which sensorless vector control is used to regulate the motor speed based on a speed feedback value computed according to voltage or current values associated with the motor drive using an observer having formulas and impedance parameters of the filter, the transformer, the motor cable and the motor.
Abstract translation: 公开的实例包括用于通过中间滤波器，变压器和电动机电缆由逆变器驱动的电动机的无传感器速度控制的方法，计算机可读介质和电动机驱动功率转换系统，其中无传感器矢量控制用于调节基于电动机速度的 根据使用具有滤波器，变压器，电动机电缆和电动机的公式和阻抗参数的观测器的与电动机驱动相关联的电压或电流值计算的速度反馈值。
-
公开(公告)号：US10020766B2
公开(公告)日：2018-07-10
申请号：US15351989
申请日：2016-11-15
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Robert J. Breitzmann , Jingbo Liu , Thomas A. Nondahl , Jingya Dai , Peter B. Schmidt
CPC classification number: H02P23/26 , H02M1/126 , H02M1/4216 , H02M7/53871 , H02M7/5395 , H02M2001/0009 , H02P23/14
Abstract: Disclosed examples include power conversion systems, methods and computer readable mediums to operate an inverter to drive a motor load through an output filter, in which a control output value is computed according to a current reference value and a current feedback value using a proportional-integral (PI) current regulator, the control output value is filtered using a lag compensator filter to compute an inverter output command value, and the inverter is controlled according to the inverter output command value.
-
公开(公告)号：US20170141712A1
公开(公告)日：2017-05-18
申请号：US15421576
申请日：2017-02-01
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Jingya Dai , Thomas A. Nondahl , Jingbo Liu , Robert J. Breitzmann , Peter B. Schmidt
CPC classification number: H02P27/06 , H02M1/126 , H02M7/53873 , H02M2001/0009 , H02P6/08 , H02P21/13 , H02P21/18 , H02P21/22
Abstract: Disclosed examples include power conversion systems and methods to operate an inverter to drive a motor load through an intervening output filter, a transformer and a cable, including a current regulator to compute a command value according to a current reference value and a motor current feedback value, a cross-coupled feedforward component to compensate the command value by an estimated cross-coupled voltage value to compute a control output value, a cross-coupled object component to compute the motor current feedback value according to a voltage value using a plant transfer function representing the output filter, the transformer, the cable and the motor load, and a controller to provide the inverter switching control signals to control the inverter according to the control output value.
-
公开(公告)号：US20140285230A1
公开(公告)日：2014-09-25
申请号：US14295123
申请日：2014-06-03
Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.
Inventor： David M. Messersmith , Douglas J. Bader , Haihui Lu , Thomas A. Nondahl , Zhenhuan Yuan
CPC classification number: G01R31/343 , G01R27/08 , G01R27/2611 , H02P23/14
Abstract: A method of estimating stator resistance of an induction motor is provided. The method includes applying voltage pulses through two phase paths of the motor for a plurality of electrical cycles to inject current in the motor, wherein the voltage pulses are applied until rotor flux of the motor is substantially stabilized and measuring stator voltage and stator current in response to the applied voltage pulses for each of the plurality of electrical cycles. The method also includes calculating the stator resistance based upon the measured stator voltages and the stator currents.
Abstract translation: 提供了一种估计感应电动机的定子电阻的方法。 该方法包括通过电动机的两个相位路径施加电压脉冲多个电循环以在电动机中注入电流，其中施加电压脉冲直到电动机的转子磁通基本稳定并且响应于测量定子电压和定子电流 对于多个电循环中的每一个的施加的电压脉冲。 该方法还包括基于所测量的定子电压和定子电流来计算定子电阻。
-
公开(公告)号：US20180138849A1
公开(公告)日：2018-05-17
申请号：US15351989
申请日：2016-11-15
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Robert J. Breitzmann , Jingbo Liu , Thomas A. Nondahl , Jingya Dai , Peter B. Schmidt
IPC: H02P23/26
CPC classification number: H02P23/26 , H02M1/126 , H02M1/4216 , H02M7/53871 , H02M7/5395 , H02M2001/0009 , H02P23/14
Abstract: Disclosed examples include power conversion systems, methods and computer readable mediums to operate an inverter to drive a motor load through an output filter, in which a control output value is computed according to a current reference value and a current feedback value using a proportional-integral (PI) current regulator, the control output value is filtered using a lag compensator filter to compute an inverter output command value, and the inverter is controlled according to the inverter output command value.
-
Patent Agency Ranking
公开(公告)号：US09880223B2
公开(公告)日：2018-01-30
申请号：US14295123
申请日：2014-06-03
Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.
Inventor： David M. Messersmith , Douglas J. Bader , Haihui Lu , Thomas A. Nondahl , Zhenhuan Yuan
CPC classification number: G01R31/343 , G01R27/08 , G01R27/2611 , H02P23/14
Abstract: A method of estimating stator resistance of an induction motor is provided. The method includes applying voltage pulses through two phase paths of the motor for a plurality of electrical cycles to inject current in the motor, wherein the voltage pulses are applied until rotor flux of the motor is substantially stabilized and measuring stator voltage and stator current in response to the applied voltage pulses for each of the plurality of electrical cycles. The method also includes calculating the stator resistance based upon the measured stator voltages and the stator currents.
-
7.发明申请SENSORLESS MOTOR DRIVE VECTOR CONTROL WITH FEEDBACK COMPENSATION FOR FILTER CAPACITOR CURRENT 审中-公开无刷电机驱动矢量控制与反馈补偿滤波电容电流公开(公告)号：US20160173012A1
公开(公告)日：2016-06-16
申请号：US15053135
申请日：2016-02-25
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Thomas A. Nondahl , Semyon Royak , Jingbo Liu , Jingya Dai , Ehsan Al-Nabi , Peter B. Schmidt
CPC classification number: H02P27/06 , H02M1/126 , H02M7/53873 , H02M2001/0009 , H02M2007/53876 , H02P6/08
Abstract: Disclosed examples include methods, computer readable mediums and motor drives power conversion systems for sensorless speed control of a motor driven by an inverter through an intervening filter, in which a controller computes motor current feedback values for a current control cycle according to inverter output current values, capacitance values representing capacitances of filter capacitors of the filter, filter output voltage values representing output voltages of the filter, and a speed feedback or reference value of a previous control cycle. The controller computes a speed feedback value for the current control cycle according to the motor current feedback values and the filter output voltage values, and controls the inverter to regulate the rotational speed of the motor at least partially according to the speed feedback or reference value using vector control.
Abstract translation: 公开的示例包括用于通过中间滤波器由逆变器驱动的电动机的无速度传感器速度控制的方法，计算机可读介质和电动机驱动功率转换系统，其中控制器根据逆变器输出电流值计算当前控制周期的电动机电流反馈值 表示滤波器的滤波电容器的电容的电容值，表示滤波器的输出电压的滤波器输出电压值，以及先前控制周期的速度反馈或参考值。 控制器根据电机电流反馈值和滤波器输出电压值计算当前控制周期的速度反馈值，并控制变频器至少部分根据速度反馈或参考值来调节电机的转速，使用 矢量控制。
-
公开(公告)号：US10158314B2
公开(公告)日：2018-12-18
申请号：US15421576
申请日：2017-02-01
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Jingya Dai , Thomas A. Nondahl , Jingbo Liu , Robert J. Breitzmann , Peter B. Schmidt
IPC: H02P21/06 , H02P27/06 , H02M1/12 , H02M7/5387 , H02P6/08 , H02P21/13 , H02P21/22 , H02P21/18 , H02M1/00
Abstract: Disclosed examples include power conversion systems and methods to operate an inverter to drive a motor load through an intervening output filter, a transformer and a cable, including a current regulator to compute a command value according to a current reference value and a motor current feedback value, a cross-coupled feedforward component to compensate the command value by an estimated cross-coupled voltage value to compute a control output value, a cross-coupled object component to compute the motor current feedback value according to a voltage value using a plant transfer function representing the output filter, the transformer, the cable and the motor load, and a controller to provide the inverter switching control signals to control the inverter according to the control output value.
-
9.发明授权公开(公告)号：US09985565B2
公开(公告)日：2018-05-29
申请号：US15131160
申请日：2016-04-18
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Jingya Dai , Jingbo Liu , Thomas A. Nondahl , Ehsan Al-Nabi
Abstract: Disclosed examples include motor drive power conversion systems with an inverter, as well as a controller methods to drive a motor in which output filter capacitor currents are computed and used to compensate the motor control in consideration of damping resistance values of an output filter.
-
10.发明申请公开(公告)号：US20170302209A1
公开(公告)日：2017-10-19
申请号：US15131160
申请日：2016-04-18
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Jingya Dai , Jingbo Liu , Thomas A. Nondahl , Ehsan Al-Nabi
Abstract: Disclosed examples include motor drive power conversion systems with an inverter, as well as a controller methods to drive a motor in which output filter capacitor currents are computed and used to compensate the motor control in consideration of damping resistance values of an output filter.
-
-
-
-
-
-
-
-
-
Search Results
11
records
(took 0.025 seconds)
