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1.发明授权Methods and apparatuses for compensating for friction torques of permanent magnet synchronous motors 有权用于补偿永磁同步电机的摩擦转矩的方法和装置公开(公告)号：US09350279B2
公开(公告)日：2016-05-24
申请号：US14309135
申请日：2014-06-19
发明人： Hyun-bae Kim , Jung-hyo Lee , Jei-hoon Baek , Kyu-bum Han
摘要： A method of compensating for a friction torque of a permanent magnet synchronous motor may include: receiving input of a motor current and a rotor speed of the permanent magnet synchronous motor; estimating a motor torque based on the input motor current; acquiring a first friction torque corresponding to the input rotor speed and the estimated motor torque by using a lookup table of friction torques; compensating for a second friction torque of the permanent magnet synchronous motor based on the first friction torque, wherein the compensating is in response to a first torque command input to control driving of the permanent magnet synchronous motor and outputs a second torque command that compensates for the second friction torque; and/or controlling the driving of the permanent magnet synchronous motor based on the second torque command.
摘要翻译： 补偿永磁同步电动机的摩擦转矩的方法可以包括：接收电动机电流的输入和永磁同步电动机的转子转速; 基于输入电动机电流估计电动机转矩; 通过使用摩擦转矩查找表获取与输入转子速度和估计的电动机转矩相对应的第一摩擦转矩; 基于所述第一摩擦转矩补偿所述永磁同步电动机的第二摩擦转矩，其中所述补偿响应于用于控制所述永磁同步电动机的驱动的第一转矩指令输入，并输出补偿所述永磁同步电动机的第二转矩指令， 第二摩擦转矩; 和/或基于第二转矩指令控制永磁同步电动机的驱动。
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公开(公告)号：US09831679B2
公开(公告)日：2017-11-28
申请号：US13867373
申请日：2013-04-22
发明人： Jei-hoon Baek
CPC分类号： H02J4/00 , H02J5/005 , H02J7/0068 , H02J7/02 , H02J7/025 , H02J50/12 , Y10T307/344
摘要： A power transmission apparatus may comprise: a motor/generator unit configured to drive a motor with three-phase alternating current (AC) power converted from a supplied AC power or generating electrical power to supply AC power; a battery unit configured to charge electrical energy with direct current (DC) power and supplying the DC power by using the charged electrical energy; and/or a converter configured to convert the DC power supplied from the battery unit to the AC power to supply the AC power to the motor/generator unit or an external electrical grid based on control signals, or configured to convert the AC power supplied from the external electrical grid or the motor/generator unit to the DC power to charge the battery unit with the DC power based on the control signals.
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3.发明授权Methods and apparatuses for controlling torques of permanent magnet synchronous motors 有权用于控制永磁同步电动机转矩的方法和装置公开(公告)号：US09419550B2
公开(公告)日：2016-08-16
申请号：US14309162
申请日：2014-06-19
发明人： Hyun-bae Kim , Jung-hyo Lee , Jei-hoon Baek , Kyu-bum Han
摘要： A method of controlling torque of a permanent magnet synchronous motor (PMSM) by using a speed-torque lookup table may include: receiving a current direct-current (DC) link voltage of an inverter configured to drive the PMSM and a speed of a rotor of the PMSM; calculating a change ratio of a DC link voltage based on the current DC link voltage and a DC link voltage at a time when the speed-torque lookup table is generated; calculating a normalized speed of the rotor according to a change in the DC link voltage by using the speed of the rotor and the change ratio of the DC link voltage; and/or transferring the normalized speed of the rotor as an input to the speed-torque lookup table.
摘要翻译： 通过使用速度 - 转矩查找表来控制永磁同步电动机（PMSM）的转矩的方法可以包括：接收构造成驱动PMSM的反相器的电流直流（DC）链路电压和转子的速度 的PMSM; 基于当前的DC链路电压和产生速度 - 转矩查找表时的DC链路电压来计算DC链路电压的变化率; 通过使用转子的转速和直流母线电压的变化比，根据直流母线电压的变化来计算转子的归一化速度; 和/或将作为输入的转子的归一化速度传送到速度 - 扭矩查找表。
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公开(公告)号：US09362841B2
公开(公告)日：2016-06-07
申请号：US13733433
申请日：2013-01-03
发明人： Jei-hoon Baek , Jong-soo Kim , Hyun-bae Kim , Kyu-bum Han
CPC分类号： H02M7/12 , H02M7/155 , H02M2001/0087 , H02P9/00
摘要： A power conversion apparatus including a current source converter configured to convert Alternate Current (AC) power to Direct Current (DC) power; a power controller configured to set a d-axis current command and a q-axis current command, which correspond to the AC power to the current source converter, by reflecting a difference between a measurement DC link voltage measured at an output terminal of the current source converter and a DC link voltage set by a DC link voltage command; and a phase angle controller configured to adjust a phase angle of the current source converter and transmit the adjusted phase angle to the current source converter, in response to the d-axis current command and the q-axis current command.
摘要翻译： 一种电力转换装置，包括被配置为将交流电（AC）功率转换为直流（DC）功率的电流源转换器; 功率控制器，被配置为通过反映在电流源的输出端测量的测量直流链路电压之间的差异来设定与电流源转换器的AC功率对应的d轴电流指令和q轴电流指令 源转换器和由直流链路电压命令设置的直流链路电压; 以及相位角控制器，被配置为响应于d轴电流指令和q轴电流指令，调整电流源转换器的相位角并且将经调整的相位角传送到电流源转换器。
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5.发明授权公开(公告)号：US09300240B2
公开(公告)日：2016-03-29
申请号：US13867563
申请日：2013-04-22
发明人： Hyun-bae Kim , Jong-soo Kim , Jei-hoon Baek , Kyu-bum Han
CPC分类号： H02P27/085 , H02P21/12 , H02P27/12
摘要： A method of obtaining a maximum magnetic flux of a permanent magnet synchronous motor may comprise: receiving a first command voltage from a current controller to control current applied to the permanent magnet synchronous motor; receiving an on/off duty ratio of a control pulse signal to control an output voltage of an inverter that drives the permanent magnet synchronous motor, the on/off duty ratio being determined based on the first command voltage; generating a second command voltage corresponding to the output voltage to be output from the inverter based on the on/off duty ratio of the control pulse signal; obtaining a maximum command voltage error by comparing the first and second command voltages; and/or obtaining the maximum command magnetic flux of the permanent magnet synchronous motor according to a position of a rotor of the permanent magnet synchronous motor based on the maximum command voltage error.
摘要翻译： 获得永磁同步电动机的最大磁通量的方法可以包括：从电流控制器接收第一指令电压以控制施加到永磁同步电动机的电流; 接收控制脉冲信号的开/关占空比以控制驱动永磁同步电动机的逆变器的输出电压，基于第一指令电压确定开/关占空比; 基于控制脉冲信号的开/关占空比，产生与从逆变器输出的输出电压对应的第二指令电压; 通过比较第一和第二指令电压来获得最大指令电压误差; 和/或根据最大指令电压误差，根据永磁同步电动机的转子的位置获得永磁同步电动机的最大指令磁通量。
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6.发明授权Methods and apparatuses for controlling output voltages of inverters driving electric motors 有权用于控制驱动电动机的逆变器的输出电压的方法和装置公开(公告)号：US09225282B2
公开(公告)日：2015-12-29
申请号：US13932331
申请日：2013-07-01
发明人： Jei-hoon Baek , Jong-soo Kim , Hyun-bae Kim , Kyu-bum Han
CPC分类号： H02P27/08 , H02P27/085
摘要： A method of controlling an output voltage of an inverter driving an electric motor may include calculating a current total harmonic distortion (THD) of a current output to the electric motor; comparing the current THD with a reference current THD; determining a pulse width modulation (PWM) method to be changed from a first modulation method that reduces harmonic components of the current output to the electric motor to a second modulation method when the current THD is less than the reference current THD, the PWM method modulating a pulse width of a control pulse signal for controlling the output voltage of the inverter; and/or generating the control pulse signal based on the determined PWM method.
摘要翻译： 控制驱动电动机的逆变器的输出电压的方法可以包括计算输出到电动机的电流的当前总谐波失真（THD）; 将当前THD与参考电流THD进行比较; 当电流THD小于参考电流THD时，确定从第一调制方法改变的脉冲宽度调制（PWM）方法，该第一调制方法将电流输出到电动机的谐波分量减少到第二调制方法，PWM方法调制 用于控制逆变器的输出电压的控制脉冲信号的脉冲宽度; 和/或基于所确定的PWM方法产生控制脉冲信号。
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