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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.
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2.发明授权公开(公告)号：US09374028B2
公开(公告)日：2016-06-21
申请号：US14565781
申请日：2014-12-10
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Thomas Nondahl , Jingbo Liu , Peter Schmidt , Semyon Royak , Jingya Dai , Ehsan Al-Nabi
Abstract: Motor drive control apparatus and methods are presented for sensorless control of a driven motor using open loop current regulated control during low-speed operation and an EMF-based position observer for position estimation during higher speed operation, with zero feedback speed during low-speed open-loop operation and feedback speed estimated by the EMF-based observer during high-speed operation and with velocity mode control over the full speed range and mode control hysteresis for smooth transitions between open loop and EMF-based observer control.
Abstract translation: 电动机驱动控制装置和方法用于在低速运行期间使用开环电流调节控制的驱动电机进行无传感器控制，以及用于在高速运行期间用于位置估计的基于EMF的位置观察器，在低速打开期间具有零反馈速度 在高速运行期间由基于EMF的观测器估计的循环运行和反馈速度以及在全速范围和速度范围内的速度模式控制以及开环和基于EMF的观测器控制之间的平滑过渡的模式控制滞后。
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3.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。
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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.
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5.发明申请POSITION SENSORLESS OPEN LOOP CONTROL FOR MOTOR DRIVES WITH OUTPUT FILTER AND TRANSFORMER 有权带有输出滤波器和变压器的电动机位置无感开环控制公开(公告)号：US20150194901A1
公开(公告)日：2015-07-09
申请号：US14666894
申请日：2015-03-24
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Jingbo Liu , Thomas Nondahl , Peter Schmidt , Semyon Royak
CPC classification number: H02M5/44 , H02M1/126 , H02P21/0003 , H02P23/0077 , H02P27/06
Abstract: A power converter, control apparatus and methods are presented for driving a permanent magnet motor or other load through a sine wave filter and a transformer, in which inverter output current is controlled using a current-frequency relationship to convert a desired frequency or speed value to a current setpoint, and the inverter output current is regulated to the current setpoint using a control algorithm with a bandwidth below the resonant frequency of the sine wave filter.
Abstract translation: 提出了一种功率转换器，控制装置和方法，用于通过正弦波滤波器和变压器来驱动永磁电动机或其它负载，其中使用电流 - 频率关系控制逆变器输出电流以将期望的频率或速度值转换为 使用带宽低于正弦波滤波器的谐振频率的控制算法将变频器输出电流调节到电流设定值。
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Patent Agency Ranking
6.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.
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7.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.
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公开(公告)号：US20170222588A1
公开(公告)日：2017-08-03
申请号：US15014360
申请日：2016-02-03
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Semyon Royak , Jingbo Liu , Jingya Dai , Thomas Nondahl , Ehsan Al-Nabi , Peter B. Schmidt
Abstract: Disclosed examples include power conversion systems, methods and computer readable mediums to operate an inverter to drive a motor load through an intervening filter, by computing a speed error value according to a speed reference value and a speed feedback value, computing a torque reference value according to the speed error value, computing a motor current reference value according to the torque reference value, compensating the motor current reference value according to capacitor currents of the output filter using a transfer function representing an output current to input current amplitude vs. frequency behavior of the output filter and the motor load, and controlling the inverter according to the inverter output current reference value.
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公开(公告)号：US09490738B2
公开(公告)日：2016-11-08
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。
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公开(公告)号：US09294019B2
公开(公告)日：2016-03-22
申请号：US14555769
申请日：2014-11-28
Applicant: Rockwell Automation Technologies, Inc.
Inventor： Jingbo Liu , Thomas Nondahl , Peter Schmidt , Semyon Royak , Jingya Dai , Ehsan Al-Nabi
CPC classification number: H02P21/06 , H02M1/126 , H02M7/53873 , H02M2001/0009 , H02P6/28 , H02P21/0003
Abstract: Power converters and methods are presented for driving an AC load connected through an intervening filter circuit, in which at least one filter current or voltage signal or value is determined according to feedback signals or values representing an output parameter at an AC output of the power converter, and AC electrical output power is generated at the AC output based at least partially on the at least one filter current or voltage signal or value.
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