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1. 发明授权

US10759292B2 Vehicle charging apparatus, current stabilization method thereof, and recording medium for recording program for implementing the method 有权
公开(公告)号：US10759292B2
公开(公告)日：2020-09-01
申请号：US15838785
申请日：2017-12-12
申请人： Hyundai Motor Company , Kia Motors Corporation
发明人： Hui Sung Jang , Gyu Tae Choi , Gi Bong Son , Hyun Wook Seong
IPC分类号： B60L53/20 , H02M1/42 , B60L53/16 , B60L58/12 , H02M1/32 , H02J7/00 , H02J7/02 , H02J7/04 , H02M1/00
摘要： A current stabilization method performed by a vehicle charging apparatus, which includes a power factor corrector for correcting a power factor of an alternating current (AC) power source, vehicle charging apparatus converting an AC voltage of the AC power source into a direct current (DC) voltage to charge a vehicle battery, may include downwardly-adjusting a current control bandwidth of the power factor corrector when the adjusting of the current control bandwidth of the power factor corrector is requested.

2. 发明授权

US10239408B2 Apparatus and method for controlling low voltage direct current converter for eco-friendly vehicle 有权
公开(公告)号：US10239408B2
公开(公告)日：2019-03-26
申请号：US15218796
申请日：2016-07-25
申请人： HYUNDAI MOTOR COMPANY
发明人： Shin Hye Chun , Hyun Wook Seong , Hui Sung Jang
IPC分类号： B60L11/18 , B60L1/00 , B60L15/00 , H02M3/335 , H02M3/337
摘要： An apparatus for controlling a low voltage direct current (DC)-DC converter (LDC) for an eco-friendly vehicle includes a reference current receiver for receiving a reference current, a ramp signal generator for generating a ramp signal by overlapping an input current of the LDC, and a DC offset and a sawtooth wave for adjusting a gradient of the ramp signal, and a comparator for generating a pulse width modulation (PWM) signal using the reference current received by the reference current receiver and the ramp signal generated by the ramp signal generator.

3. 发明授权

US10050546B1 Apparatus for controlling LLC converter 有权
公开(公告)号：US10050546B1
公开(公告)日：2018-08-14
申请号：US15810563
申请日：2017-11-13
申请人： Hyundai Motor Company , Kia Motors Corporation
发明人： Gyu Tae Choi , Hyun Wook Seong , Hyung Bin Ihm , Gi Bong Son , Hui Sung Jang
IPC分类号： H02M1/14 , H02M3/335 , H02M3/337 , H02M3/06 , H02M1/42 , H02M7/48 , H02M1/00
摘要： An apparatus for controlling an LLC converter is provided. The apparatus includes a current controller that determines a first switching frequency control value of a switching element in the LLC converter to cause an output current detection value of the LLC converter to correspond to a predetermined output current command value. Additionally, a feedforward controller determines a second switching frequency control value for operating the switching element by applying a feedforward control value that corresponds to a ripple component included in an input voltage of the LLC converter to the first switching frequency control value.

4. 发明申请

US20170101020A1 METHOD AND SYSTEM OF OPERATING ON-BOARD CHARGER FOR ECO-FRIENDLY VEHICLE 审中-公开
公开(公告)号：US20170101020A1
公开(公告)日：2017-04-13
申请号：US15205710
申请日：2016-07-08
申请人： Hyundai Motor Company
发明人： Gi Bong Son , Hui Sung Jang , Hyun Wook Seong
IPC分类号： B60L11/18 , H02M3/04 , H02M1/42
CPC分类号： B60L11/1809 , B60L11/1811 , B60L11/1838 , H02M1/42 , H02M3/04 , Y02T10/7005 , Y02T10/7072 , Y02T90/121 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/163
摘要： A method and system of operating an on-board charger (OBC) for an eco-friendly vehicle are provided to improve durability and extend a lifespan of the OBC during the charging of a vehicle battery using a commercial power source. The system improves durability and extends a lifespan of the OBC including a power factor correction (PFC) part by alternately operating a first boost converter and a second boost converter of the PFC part during the charging of a battery by using a commercial power supplier (an in-cable control box (ICCB)).

5. 发明授权

US09484804B2 Battery charging system and method 有权
标题翻译：电池充电系统及方法
公开(公告)号：US09484804B2
公开(公告)日：2016-11-01
申请号：US14314935
申请日：2014-06-25
申请人： Hyundai Motor Company
发明人： Hyun Wook Seong , Mu Shin Kwak , Shin Hye Chun , Hui Sung Jang
IPC分类号： H02J7/00 , H02J7/16 , H02M1/42 , H02J7/02 , H02M1/00
CPC分类号： H02M1/4208 , H02J7/0052 , H02J7/0072 , H02J7/022 , H02J2007/0059 , H02M1/42 , H02M2001/007 , Y02B40/90 , Y02B70/12
摘要： A battery charging system includes a PFC converter which converts an alternating current input voltage which is input from a power supply to a direct current output voltage, a DC-DC converter which changes an output voltage of the PFC converter, a battery which is charged by the DC-DC converter, and a controller which calculates power conversion efficiency based on the input current and the input voltage, a charged voltage of the battery, and a charging current for the battery, and updates the output voltage of the PFC converter according to the power conversion efficiency. A battery charging method includes steps of: calculating power conversion efficiency using the input current and the input voltage from the power supply, and the charging current and the charged voltage of the battery; and updating the output voltage of the PFC converter according to the calculated power conversion efficiency.
摘要翻译：电池充电系统包括将从电源输入的交流输入电压转换为直流输出电压的PFC转换器，改变PFC转换器的输出电压的DC-DC转换器，由 DC-DC转换器，以及基于输入电流和输入电压，电池的充电电压和电池的充电电流来计算功率转换效率的控制器，并根据所述控制器更新PFC转换器的输出电压电源转换效率。电池充电方法包括以下步骤：使用来自电源的输入电流和输入电压以及电池的充电电流和充电电压来计算功率转换效率; 以及根据所计算的功率转换效率来更新PFC转换器的输出电压。

6. 发明授权

US09467058B2 Method and apparatus for controlling output voltage of DC-DC converter 有权
标题翻译：用于控制DC-DC转换器输出电压的方法和装置
公开(公告)号：US09467058B2
公开(公告)日：2016-10-11
申请号：US14505904
申请日：2014-10-03
申请人： Hyundai Motor Company
发明人： Shin Hye Chun , Mu Shin Kwak , Hyun Wook Seong , Hui Sung Jang
IPC分类号： G05F1/00 , H02M3/335 , H02M3/156 , H02M1/00
CPC分类号： H02M3/33569 , H02M3/156 , H02M2001/0009 , H02M2001/007
摘要： An output voltage control method and apparatus are provided. The method includes sensing output voltages of a DC-DC converter and a high-voltage battery and sensing an inductor current flowing through an inductor in a boost circuit at a front end of the DC-DC converter. In addition, the method includes varying a gain of an output voltage controller of the DC-DC converter based on a difference of the sensed inductor current with respect to an inductor current at the center point in a specified region.
摘要翻译：提供输出电压控制方法和装置。该方法包括感测DC-DC转换器和高电压电池的输出电压，并感测流过DC-DC转换器前端的升压电路中的电感器的电感电流。此外，该方法包括基于感测的电感器电流相对于在指定区域中的中心点处的电感器电流的差异来改变DC-DC转换器的输出电压控制器的增益。

7. 发明申请

US20160028312A1 METHOD AND APPARATUS FOR CONTROLLING CURRENT OF MULTI-PHASE INTERLEAVED CONVERTER 有权
标题翻译：用于控制多相交流转换器电流的方法和装置
公开(公告)号：US20160028312A1
公开(公告)日：2016-01-28
申请号：US14559663
申请日：2014-12-03
申请人： Hyundai Motor Company
发明人： Hyun Wook Seong , Hui Sung Jang , Shin Hye Chun , Mu Shin Kwak
IPC分类号： H02M3/158
CPC分类号： H02M3/1584 , H02M3/156 , H02M3/158 , H02M2003/1586
摘要： A method and apparatus for controlling a current of a multi-phase interleaved converter are provided. The method includes filtering, through a filter, currents flowing into converters of respective phases in a multi-phase interleaved converter having multiple phases, The method further includes receiving values of the filtered currents for respective phases and a duty ratio for any one of the multiple phases generated in response to a current flowing into the phase and adjusting duty ratios for phases other than the phase, based on the received current values for respective phases.
摘要翻译：提供了一种用于控制多相交错转换器的电流的方法和装置。该方法包括通过滤波器滤波流入具有多个相位的多相交错转换器中各相转换器的电流。该方法还包括接收各相的滤波电流的值和多个相位中的任一个的占空比基于各相的接收电流值，响应于流入相位的电流产生的相和相位以外的相位的调节占空比。

8. 发明授权

US11271391B2 Apparatus and method for controlling low-voltage DC-to-DC converter of vehicle 有权
公开(公告)号：US11271391B2
公开(公告)日：2022-03-08
申请号：US16512729
申请日：2019-07-16
申请人： Hyundai Motor Company , Kia Motors Corporation
发明人： Sung Uk Park , Dong Gyun Woo , Hui Sung Jang , Hyun Wook Seong
IPC分类号： H02J7/00 , H02H9/02 , H02J7/34 , H02M1/00 , H02J1/08
摘要： An apparatus for controlling a low-voltage DC-to-DC converter of a vehicle for converting high-voltage power into low-voltage power may include a signal selector for selecting and outputting one of a charging-oriented voltage command for charging the battery or a preset burst mode voltage command for operation of the low-voltage DC-to-DC converter in a burst mode in which the battery cannot be charged, a battery charge/discharge current limiter for generating a voltage command compensation value for limiting charge current of the battery when the signal selector outputs the charging-oriented voltage command and limiting discharge current of the battery when the signal selector outputs the burst mode voltage command, and a controller for controlling an output voltage of the low-voltage DC-to-DC converter to follow a compensated voltage command generated by applying the voltage command compensation value to the voltage command output by the signal selector.

9. 发明授权

US10784704B2 On-board charging system 有权
公开(公告)号：US10784704B2
公开(公告)日：2020-09-22
申请号：US15835584
申请日：2017-12-08
申请人： Hyundai Motor Company , Kia Motors Corporation
发明人： Hui Sung Jang , Dong Gyun Woo , Hyun Wook Seong
IPC分类号： H02J7/04 , H02J7/02 , H02J7/06 , H02M1/42 , H02M3/335 , H02M1/00 , H02M3/28 , H02J7/00
摘要： Disclosed is an on-board charging system in which, when a plurality of charging circuits is connected in parallel between input and output terminals, operation timings of switching circuits in the respective charging circuits are interlocked to minimize ripples of an input alternating current. The on-board charging system includes: a plurality of charging circuits configured to each have a power factor correction circuit portion for correcting a power factor of alternating current input power by pulse width modulation control of a switching element and to be connected in parallel with each other between an input terminal of the AC input power and an output terminal connected to an object to be charged; and a controller configured to interlock the switching elements to generate a PWM control signal for performing PWM control.

10. 发明授权

US10493857B2 Method and system for controlling charging device for vehicles 有权
公开(公告)号：US10493857B2
公开(公告)日：2019-12-03
申请号：US15352230
申请日：2016-11-15
申请人： Hyundai Motor Company
发明人： Hui Sung Jang , Gi Bong Son , Hyun Wook Seong
IPC分类号： H02J7/00 , B60L11/18 , B60L53/60
CPC分类号： B60L11/1838 , B60L53/60 , H02J7/0026 , H02J7/0031 , H02J2007/0039 , Y02T10/7055
摘要： A method and system of controlling a charging device for vehicles are provided. The method includes sensing overcurrent in a power factor correction circuit of the charging device and turning off the power factor correction circuit upon sensing overcurrent. An output voltage of the power factor correction circuit is then increased when the number of generations of sensed overcurrent is equal to or less than a predetermined first reference value and the power factor correction circuit is turned on.

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