公开(公告)号：US20090189555A1

公开(公告)日：2009-07-30

申请号：US12318497

申请日：2008-12-30

申请人： Zhiqian Chen

发明人： Zhiqian Chen

IPC分类号： H02P6/16

CPC分类号： H02P21/06 ,  H02P21/0089 ,  H02P21/22 ,  H02P27/08 ,  H02P2201/07 ,  H02P2205/01

摘要： An electric motor control device includes a power supply unit that supplies power to a three-phase electric motor; a three-phase current sensor that individually detects three respective phase currents of the three-phase electric motor; a summing unit that calculates a three-phase sum by adding the three phase currents detected by the three-phase current sensor; a detected current correction unit that calculates correction amounts for at least two of the three phase currents based on a phase and an amplitude of the three-phase sum and then corrects phase current detection values by the calculated correction amounts; and a motor control unit that controls a power supply by the power supply unit to the three-phase electric motor by feedback control based on the three phase currents after correction by the detected current correction unit and on target currents.

摘要翻译： 电动机控制装置包括向三相电动机供电的供电单元; 分别检测三相电动机的三相电流的三相电流传感器; 求和单元，其通过将由三相电流传感器检测出的三相电流相加来计算三相和; 检测电流校正单元，其基于三相和的相位和幅度来计算三相电流中的至少两个的校正量，然后通过计算出的校正量来校正相电流检测值; 以及电动机控制单元，其通过基于由所检测的电流校正单元校正后的三相电流和目标电流的反馈控制来控制由电源单元向三相电动机供电的电力。

公开(公告)号：US07489099B2

公开(公告)日：2009-02-10

申请号：US11727351

申请日：2007-03-26

申请人： Isao Fujiwara ,  Zhiqian Chen

发明人： Isao Fujiwara ,  Zhiqian Chen

IPC分类号： G05B11/36

CPC分类号： H02P27/04 ,  H02P21/14

摘要： An electric drive control apparatus and method calculates a current command value based on an electric machine target torque that represents a target value of a torque of an electric machine; calculates a current deviation between the current command value and a current applied to the electric machine; calculates a first inductance and a second inductance that each have a different amount of change caused by a change in the current; calculates an interference term based on the first inductance; calculates a proportional term and an integral term based on the current deviation and the second inductance; and calculates a voltage command value based on the interference term, the proportional term and the integral term.

摘要翻译： 电驱动控制装置和方法基于表示电机的转矩的目标值的电机目标转矩来计算电流指令值; 计算电流指令值与施加到电机的电流之间的电流偏差; 计算每个具有由电流变化引起的不同变化量的第一电感和第二电感; 基于第一电感计算干涉项; 基于电流偏差和第二电感计算比例项和积分项; 并根据干涉项，比例项和积分项计算电压指令值。

公开(公告)号：US07053581B2

公开(公告)日：2006-05-30

申请号：US11148223

申请日：2005-06-09

申请人： Zhiqian Chen ,  Isao Fujiwara

发明人： Zhiqian Chen ,  Isao Fujiwara

IPC分类号： G05B1/36

CPC分类号： B60L11/1803 ,  B60L15/025 ,  H02P21/06 ,  H02P21/22 ,  Y02T10/643 ,  Y02T10/7005 ,  Y02T10/7258

摘要： An electrically operated drive controller includes first and second electric current command value calculation processors, for calculating first and second electric current command values from a target value of torque of an electrically operated machine; a voltage command value calculation processor, for calculating a voltage command value from the first and second electric current command values; and first and second adjusting value calculation processor, for calculating first and second adjusting values. The first electric current command value calculation processor includes first electric current command value adjustment processors, for adjusting the first electric current command value by the first adjusting value, and an electric current limit processor, for limiting the adjusted first electric current command value. The second electric current command value calculation processor includes a second electric current command value adjustment processor, for adjusting the second electric current command value by the second adjusting value.

摘要翻译： 电动驱动控制器包括第一和第二电流指令值计算处理器，用于从电动机器的转矩的目标值计算第一和第二电流指令值; 电压指令值计算处理器，用于根据第一和第二电流指令值计算电压指令值; 以及用于计算第一和第二调整值的第一和第二调整值计算处理器。 第一电流指令值计算处理器包括用于调节第一电流指令值第一调整值的第一电流指令值调整处理器和用于限制调整后的第一电流指令值的电流限制处理器。 第二电流指令值计算处理器包括用于通过第二调整值调整第二电流指令值的第二电流指令值调节处理器。