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公开(公告)号：US10315530B2
公开(公告)日：2019-06-11
申请号：US15856889
申请日：2017-12-28
发明人： Jae Sang Lim , Jeongwon Rho , Gu Bae Kang , Young Un Kim
摘要： A system and method for reducing drive motor speed ripple of an electric vehicle are provided. The system includes an inverter that converts DC power supplied from a battery to AC power and supplies the AC power to the drive motor by inverter switching. A resolver is configured to detect a speed of the drive motor and a position of a rotor, a signal generator includes a microcontroller that is configured to generate a square wave signal. An integrator is configured to convert the square wave to a sine wave, and apply a sine-wave excitation input signal to the resolver. Furthermore, a motor controller is configured to operate the inverter through a PWM signal, adjust the frequency of the excitation input signal to prevent the inverter switching frequency of the inverter and the peaks of an output voltage signal sampled for speed calculation from overlapping.
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公开(公告)号：US20150175015A1
公开(公告)日：2015-06-25
申请号：US14530300
申请日：2014-10-31
发明人： Jae-Sang Lim , Seong Yeop Lim , Gu Bae Kang , Ji Wan Cha , Young Un Kim
IPC分类号： B60L11/18
CPC分类号： B60L11/18 , B60K1/00 , B60L3/12 , B60L11/1803 , B60L15/025 , B60L15/2045 , B60L2240/421 , B60L2240/423 , B60L2240/427 , B60L2240/429 , B60L2240/547 , B60L2240/549 , B60L2260/44 , B60W10/00 , B60W20/00 , H02P21/22 , Y02T10/56 , Y02T10/643 , Y02T10/7005 , Y02T10/72 , Y02T10/7283
摘要： A control method of electric vehicle according to an exemplary embodiment of the present invention may include a battery supplying electricity, a motor receiving electricity from the battery and generating power, and a controller controlling the battery and the motor, wherein the controller executes instructions for: detecting a torque command, a motor speed, and a motor current; calculating a motor voltage from the motor current; determining whether voltage utilization according to a speed range of the motor is higher than a predetermined value; generating an operating point correcting function according to the motor speed when the voltage utilization is not higher than the predetermined value; calculating a current command according to the motor speed from the operating point correcting function; and outputting the calculated current command.
摘要翻译： 根据本发明的示例性实施例的电动车辆的控制方法可以包括供电的电池，从电池接收电力并产生电力的电动机以及控制电池和电动机的控制器，其中控制器执行以下指令： 检测转矩指令，电机转速和电动机电流; 从电机电流计算电机电压; 确定根据电动机的速度范围的电压利用率是否高于预定值; 当电压利用率不高于预定值时，根据电动机速度产生工作点校正功能; 根据电机速度从工作点校正功能计算电流指令; 并输出计算出的电流指令。
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公开(公告)号：US20180118051A1
公开(公告)日：2018-05-03
申请号：US15856889
申请日：2017-12-28
发明人： Jae Sang Lim , Jeongwon Rho , Gu Bae Kang , Young Un Kim
CPC分类号： B60L15/2045 , B60L3/0038 , B60L11/1805 , B60L15/08 , B60L15/20 , B60L2210/40 , B60L2240/421 , B60L2270/145 , B60L2270/147 , B60W20/17 , H02P27/08 , H02P29/50 , Y02T10/645 , Y02T10/7241 , Y02T10/7275
摘要： A system and method for reducing drive motor speed ripple of an electric vehicle are provided. The system includes an inverter that converts DC power supplied from a battery to AC power and supplies the AC power to the drive motor by inverter switching. A resolver is configured to detect a speed of the drive motor and a position of a rotor, a signal generator includes a microcontroller that is configured to generate a square wave signal. An integrator is configured to convert the square wave to a sine wave, and apply a sine-wave excitation input signal to the resolver. Furthermore, a motor controller is configured to operate the inverter through a PWM signal, adjust the frequency of the excitation input signal to prevent the inverter switching frequency of the inverter and the peaks of an output voltage signal sampled for speed calculation from overlapping.
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公开(公告)号：US09725001B2
公开(公告)日：2017-08-08
申请号：US14686505
申请日：2015-04-14
发明人： Seong Yeop Lim , Gu Bae Kang , Jeongbin Yim , Byungsoon Min , Byoung-Kuk Lee , Seung-Min Shin , Dong-Hee Kim , Dong-Gyun Woo
CPC分类号： B60L11/1814 , B60L11/123 , B60L11/14 , B60L11/1809 , B60L11/1824 , B60L11/1838 , B60L15/007 , B60L2210/40 , B60W10/26 , B60W20/10 , B60W20/13 , H02J7/007 , H02J7/022 , H02J7/1446 , H02M7/68 , Y02T10/6217 , Y02T10/645 , Y02T10/646 , Y02T10/7005 , Y02T10/7077 , Y02T10/7241
摘要： A charging device according to an exemplary embodiment of the present invention may include: a battery adapted and configured to store a DC voltage, first and second motors adapted and configured to operate as a motor or a generator, first and second inverters adapted and configured to operate the first and second motors, a voltage transformer adapted and configured to boost the DC voltage of the battery to supply it to the first and second inverters and boosts the DC voltage of the inverter to supply it to the battery, and a charging controller adapted and configured to operate the first and second inverters as a booster or operate the voltage transformer as a buck booster according to a voltage that is input through a neutral point of the first and second motors and the voltage of the battery.
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公开(公告)号：US09428174B2
公开(公告)日：2016-08-30
申请号：US14569642
申请日：2014-12-13
发明人： Jae Sang Lim , Gu Bae Kang , Young Un Kim , Kil Young Youn , Jeong Won Roh , Ji Wan Cha , Jin Ho Kim , Seong Yeop Lim
CPC分类号： B60W10/26 , B60K1/02 , B60K6/442 , B60K6/48 , B60K6/485 , B60K2006/4825 , B60L11/1814 , B60L11/1861 , B60L11/1862 , B60L2240/421 , B60L2240/425 , B60L2240/441 , B60L2240/445 , B60L2260/26 , B60L2260/44 , B60W10/08 , B60W20/13 , B60W30/1843 , B60W2050/002 , B60W2510/081 , B60W2510/085 , B60W2510/087 , B60W2710/242 , H01M10/44 , H01M10/441 , H01M10/443 , Y02T10/6221 , Y02T10/6226 , Y02T10/6234 , Y02T10/6252 , Y02T10/642 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T90/14 , Y10S903/93
摘要： A method of forcibly charging a high-voltage battery using a motor and a Hybrid Starter Generator (HSG) is provided. The method forcibly charges the high-voltage battery with maximum charging power using the motor and the HSG simultaneously. Particularly, the method includes calculating maximum chargeable power for the high-voltage battery using three dimensional (3D) maximum charging power maps of the motor and the HSG and adjusting maximum charging power using energy integration during forced charging using the motor and the HSG simultaneously. Additionally, excessive temperature prevention logics are applied for protecting the motor and the HSG from an excessive temperature in a forced charging mode.
摘要翻译： 提供了一种使用电动机和混合动力发电机（HSG）强制对高压电池充电的方法。 该方法同时使用电机和HSG强制对高压电池进行充电。 特别地，该方法包括使用电动机和HSG的三维（3D）最大充电功率图来计算高压电池的最大可充电功率，并且同时使用电动机和HSG在强制充电期间使用能量积分来调整最大充电功率。 另外，在强制充电模式下，应用过度的温度预防逻辑来保护电动机和HSG免受过热。
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公开(公告)号：US20160114801A1
公开(公告)日：2016-04-28
申请号：US14870315
申请日：2015-09-30
发明人： Han Hee Park , Gu Bae Kang , Tae Il Yoo
IPC分类号： B60W30/18
CPC分类号： B60W30/18 , H02P21/06 , H02P21/141 , H02P29/60 , Y02T10/7258
摘要： A torque control apparatus includes: a flux linkage estimator estimating a variation of flux linkage based on a difference between a current temperature of a motor measured by a temperature sensor and a predefined reference temperature; a torque compensation value calculator calculating a torque compensation value corresponding to the current temperature of the motor based on the estimated variation of flux linkage; and a torque compensator compensating for an error of required torque of a torque command by applying the calculated torque compensation value in response to a change in temperature of the motor and outputting a final torque command including the error-compensated required torque to a current map of a motor controller.
摘要翻译： 扭矩控制装置包括：磁链估计器，其基于由温度传感器测量的电动机的当前温度与预定的参考温度之间的差来估计磁链的变化; 扭矩补偿值计算器，基于所估计的磁链的变化量，计算与所述电动机的当前温度对应的转矩补偿值; 以及扭矩补偿器，其通过根据电动机的温度变化应用所计算的转矩补偿值来补偿转矩指令的所需转矩的误差，并将包括误差补偿的所需转矩的最终转矩指令输出到 电机控制器。
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7.发明授权公开(公告)号：US09310456B2
公开(公告)日：2016-04-12
申请号：US14096592
申请日：2013-12-04
发明人： Jae-Sang Lim , Seong Yeop Lim , Gu Bae Kang , Ji Wan Cha
CPC分类号： G01R35/005 , B60L3/0007 , B60L3/003 , B60L3/0038 , B60L3/0061 , B60L3/0069 , B60L3/0084 , B60L3/04 , B60L11/00 , B60L11/14 , B60L11/1861 , B60L15/20 , B60L2200/10 , B60L2200/18 , B60L2200/32 , B60L2200/36 , B60L2210/40 , B60L2240/12 , B60L2240/36 , B60L2240/421 , B60L2240/423 , B60L2240/429 , B60L2240/525 , B60L2250/10 , B60L2250/16 , B60L2260/26 , B60L2260/44 , B60L2270/142 , B60L2270/145 , G01R19/0092 , G01R31/42 , H02P29/68 , Y02T10/645 , Y02T10/70 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7077 , Y02T10/7241 , Y02T10/7275
摘要： An offset compensation method of a current sensor is provided for determining whether an offset compensation of the current sensor is abnormal, and a motor driving system includes the current sensor. The offset compensation method includes: compensating for an offset of the current sensor, and determining whether the offset compensation of the current sensor is abnormal.
摘要翻译： 提供电流传感器的偏移补偿方法，用于确定电流传感器的偏移补偿是否异常，电动机驱动系统包括电流传感器。 偏移补偿方法包括：补偿电流传感器的偏移，并确定电流传感器的偏移补偿是否异常。
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公开(公告)号：US20160087561A1
公开(公告)日：2016-03-24
申请号：US14565720
申请日：2014-12-10
发明人： Jeong Won Rho , Young Un Kim , Jae Sang Lim , Kil Young Youn , Ji Wan Cha , Seong Min M. Kim , Jin Ho Kim , Gu Bae Kang
CPC分类号： H02P6/16 , H02P6/002 , H02P6/28 , H02P29/685
摘要： An apparatus and a method for controlling a motor are provided. The apparatus for controlling a motor includes a temperature sensor that is configured to detect a temperature of an inverter, and a variable amplifier that is configured to variably set an amplification gain that corresponds to the detected temperature of the inverter and amplify and output a resolver signal output from a resolver based on the variably set amplification gain, based on an excitation signal. A controller is then configured to estimate a position of a motor rotor based on the amplified resolver signal to calculate a flux angle and an excitation signal generator is configured to generate the excitation signal that corresponds to the calculated flux angle and output the generated excitation signal to the resolver.
摘要翻译： 提供了一种用于控制电动机的装置和方法。 用于控制电动机的装置包括：温度传感器，其被配置为检测逆变器的温度;以及可变放大器，其被配置为可变地设置与所检测的逆变器的温度相对应的放大增益，并放大并输出解算器信号 基于可变设定的放大增益，基于激励信号从分解器输出。 然后，控制器被配置为基于放大的分解器信号来估计电动机转子的位置，以计算通量角，并且激励信号发生器被配置为产生对应于计算的磁通角的激励信号，并将产生的激励信号输出到 解析器。
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公开(公告)号：US10816959B2
公开(公告)日：2020-10-27
申请号：US16454799
申请日：2019-06-27
发明人： Jae Sang Lim , Joo Young Park , Gu Bae Kang , Young Un Kim
摘要： A method and a system for compensating an offset of a resolver, may include sampling an output signal of the resolver at a predetermined sampling frequency, comparing magnitudes of the sampled output signals of the resolver, when a difference in magnitude between the sampled output signals of the resolver is greater than a predetermined reference value, controlling the motor by a random pulse width modulation (RPWM) scheme in which switching frequencies of the switching elements in the inverter are arbitrarily changed, and compensating an offset of the resolver coupled to the motor while controlling the motor with the RPWM scheme.
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公开(公告)号：US20180354376A1
公开(公告)日：2018-12-13
申请号：US15848864
申请日：2017-12-20
发明人： Jae Hwa Jeon , Sang Kyu Lee , Kil Young Youn , Seung Hyeon Bin , Gu Bae Kang
IPC分类号： B60L11/18
摘要： A plug-in vehicle capable of wired-charging a battery through a charging connector using an external charger and a method for controlling the same are provided. The method for controlling charging of a vehicle configured to perform a charging operation using external power includes determining whether a refrigerant circulation device operates normally and the amount of refrigerant is normal when a temperature sensor of a charger malfunctions. When the refrigerant circulation device operates normally and the amount of refrigerant is normal, a temperature of the charger is estimated using a temperature of a heat dissipation device through which the refrigerant passes and the output of the charger is adjusted based on the estimated temperature.
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