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公开(公告)号：US10914650B2
公开(公告)日：2021-02-09
申请号：US15784584
申请日：2017-10-16
发明人： Seon Hak Kim , Soon Il Jeon
IPC分类号： G01L27/00 , H01M8/0438 , H01M8/04302 , H01M8/04537 , H01M8/04746
摘要： A method of calibrating an offset of a pressure sensor, by which an offset of a sensing value of a pressure sensor, which detects a pressure of hydrogen in a fuel cell system, is accurately calibrated. The method includes receiving, by a controller, a sensing value of a pressure sensor which detects a hydrogen pressure in a state where a hydrogen supply starts after a start of a fuel cell system; counting, by the controller, a time for which the sensing value of the pressure sensor increases from a first pressure P1 to a second pressure P2; calculating, by the controller, an offset value corresponding to the counted time by use of stored setting data; and calibrating, by the controller, a subsequent sensing value of the pressure sensor by the calculated offset value in real time when the offset value is calculated.
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公开(公告)号：US20190288585A1
公开(公告)日：2019-09-19
申请号：US16055112
申请日：2018-08-05
发明人： Dong Hun Lee , Sung Do Kim , Chang Seok You , Min Su Kang , Soon Il Jeon
IPC分类号： H02K11/215 , H02P29/024 , H02P29/032 , H02P21/14 , H02P1/48
摘要： A control method of a motor rotation speed may include calculating a q-axis potential difference of a synchronous coordinate system for controlling a q-axis current of the synchronous coordinate system based on a target rotation speed of a motor and a measured rotation speed value of the speed sensor, calculating a voltage command of the synchronous coordinate system based on the calculated q-axis potential difference of the synchronous coordinate system, and controlling an inverter connected to the motor according to the calculated voltage command of the synchronous coordinate system.
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公开(公告)号：US09660281B2
公开(公告)日：2017-05-23
申请号：US14460076
申请日：2014-08-14
发明人： Sang Uk Kwon , Soon Il Jeon
IPC分类号： H01M8/04 , H01M8/04537 , H01M8/0432 , H01M8/0444 , H01M8/04746
CPC分类号： H01M8/04559 , H01M8/0432 , H01M8/0444 , H01M8/04552 , H01M8/04753 , H01M8/04761 , H01M2250/20 , Y02T90/32
摘要： A method for controlling a startup of a fuel cell system is provided. The method includes comparing a voltage generated in a fuel cell stack when hydrogen is supplied to a fuel electrode of the fuel cell stack for a set period of time with a first reference voltage. A voltage of a unit cell of the fuel cell stack is compared with a second reference voltage for load connection when the voltage generated in the fuel cell stack is higher than the first reference voltage. A load is connected to the fuel cell stack when the voltage of the unit cell of the fuel cell stack is higher than the second reference voltage for load connection.
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公开(公告)号：US20160006059A1
公开(公告)日：2016-01-07
申请号：US14556705
申请日：2014-12-01
发明人： Sang Uk Kwon , Soon Il Jeon , Ja Hoo Koo
IPC分类号： H01M8/04
CPC分类号： H01M8/04291 , B60L1/00 , B60L58/33 , B60L58/40 , H01M8/04335 , H01M8/0441 , H01M8/04522 , H01M8/04559 , H01M8/04589 , H01M8/04649 , H01M8/04723 , H01M8/04731 , H01M8/04953 , H01M10/44 , H01M2250/20 , Y02T90/32 , Y02T90/34
摘要： A driving control system and method of a fuel cell system are provided. The driving control method includes determining, by a controller, when a fuel cell stack is in a water shortage, based on an oversupply of air to the fuel cell stack or a deterioration of the fuel cell stack. A diagnostic level is then assigned to the fuel cell system and at least one recovery driving mode that corresponds to the assigned diagnostic level is performed.
摘要翻译： 提供了一种燃料电池系统的驱动控制系统和方法。 驱动控制方法包括：基于对燃料电池堆的空气供应过度或燃料电池堆的劣化，由控制器确定燃料电池堆何时处于缺水状态。 然后将诊断级别分配给燃料电池系统，并且执行对应于所分配的诊断水平的至少一个恢复驾驶模式。
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公开(公告)号：US10756601B2
公开(公告)日：2020-08-25
申请号：US16055112
申请日：2018-08-05
发明人： Dong Hun Lee , Sung Do Kim , Chang Seok You , Min Su Kang , Soon Il Jeon
IPC分类号： H02P21/00 , H02K11/215 , H02P29/024 , H02P29/032 , H02P1/48 , H02P21/14 , H02P101/45
摘要： A control method of a motor rotation speed may include calculating a q-axis potential difference of a synchronous coordinate system for controlling a q-axis current of the synchronous coordinate system based on a target rotation speed of a motor and a measured rotation speed value of the speed sensor, calculating a voltage command of the synchronous coordinate system based on the calculated q-axis potential difference of the synchronous coordinate system, and controlling an inverter connected to the motor according to the calculated voltage command of the synchronous coordinate system.
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公开(公告)号：US10424798B2
公开(公告)日：2019-09-24
申请号：US15097669
申请日：2016-04-13
发明人： Soon Il Jeon , Dae Jong Kim , Dong Hun Lee
IPC分类号： H01M8/04828 , H01M8/0438 , H01M8/04492 , H01M8/04992 , H01M8/0432 , H01M8/04119 , H01M8/04223
摘要： The present invention provides a relative humidity and condensed water estimator for a fuel cell and a method for controlling condensed water drain using the same. Here, the relative humidity and condensed water estimator is utilized in control of the fuel cell system involving control of anode condensed water drain by outputting at least two of signals comprising air-side relative humidity, hydrogen-side relative humidity, air-side instantaneous or cumulative condensed water, hydrogen-side instantaneous or cumulative condensed water, instantaneous and cumulative condensed water of the humidifier, membrane water contents, catalyst layer oxygen partial pressure, catalyst layer hydrogen partial pressure, stack or cell voltage, air-side catalyst layer relative humidity, hydrogen-side catalyst layer relative humidity, oxygen supercharging ratio, hydrogen supercharging ratio, residual water in a stack, and residual water in a humidifier.
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公开(公告)号：US11264628B2
公开(公告)日：2022-03-01
申请号：US16537039
申请日：2019-08-09
发明人： Soon Il Jeon , Dae Jong Kim , Dong Hun Lee
IPC分类号： H01M8/04828 , H01M8/04119 , H01M8/04492 , H01M8/04992 , H01M8/0432 , H01M8/0438 , H01M8/04223
摘要： The present invention provides a relative humidity and condensed water estimator for a fuel cell and a method for controlling condensed water drain using the same. Here, the relative humidity and condensed water estimator is utilized in control of the fuel cell system involving control of anode condensed water drain by outputting at least two of signals comprising air-side relative humidity, hydrogen-side relative humidity, air-side instantaneous or cumulative condensed water, hydrogen-side instantaneous or cumulative condensed water, instantaneous and cumulative condensed water of the humidifier, membrane water contents, catalyst layer oxygen partial pressure, catalyst layer hydrogen partial pressure, stack or cell voltage, air-side catalyst layer relative humidity, hydrogen-side catalyst layer relative humidity, oxygen supercharging ratio, hydrogen supercharging ratio, residual water in a stack, and residual water in a humidifier.
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公开(公告)号：US11251451B2
公开(公告)日：2022-02-15
申请号：US16537104
申请日：2019-08-09
发明人： Soon Il Jeon , Dae Jong Kim , Dong Hun Lee
IPC分类号： H01M8/04828 , H01M8/04119 , H01M8/04492 , H01M8/04992 , H01M8/0432 , H01M8/0438 , H01M8/04223
摘要： The present invention provides a relative humidity and condensed water estimator for a fuel cell and a method for controlling condensed water drain using the same. Here, the relative humidity and condensed water estimator is utilized in control of the fuel cell system involving control of anode condensed water drain by outputting at least two of signals comprising air-side relative humidity, hydrogen-side relative humidity, air-side instantaneous or cumulative condensed water, hydrogen-side instantaneous or cumulative condensed water, instantaneous and cumulative condensed water of the humidifier, membrane water contents, catalyst layer oxygen partial pressure, catalyst layer hydrogen partial pressure, stack or cell voltage, air-side catalyst layer relative humidity, hydrogen-side catalyst layer relative humidity, oxygen supercharging ratio, hydrogen supercharging ratio, residual water in a stack, and residual water in a humidifier.
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公开(公告)号：US20150360570A1
公开(公告)日：2015-12-17
申请号：US14540260
申请日：2014-11-13
发明人： Jae Won Jung , Soon Il Jeon , Ji Sang Park , Dong Hoon Kang
CPC分类号： B60L7/08 , B60K28/00 , B60L7/18 , B60L15/2009 , B60L2250/26 , B60L2270/145 , B60T1/10 , B60T7/042 , B60T7/06 , B60T8/171 , B60T8/172 , B60T8/3215 , B60T8/3275 , B60T2201/03 , B60T2270/604 , Y02T10/7258
摘要： A method and system for controlling a drive motor are provided. The method includes determining whether a vehicle is at a sudden braking event by detecting a brake depth of a brake pedal and calculating a depth rate of the brake pedal based on the detected brake depth. In addition, the drive motor is operated to reduce regenerative braking torque when the vehicle is determined to be at the sudden braking event.
摘要翻译： 提供了一种用于控制驱动电动机的方法和系统。 该方法包括通过检测制动踏板的制动深度和基于检测到的制动深度来计算制动踏板的深度，确定车辆是否处于突然制动事件。 此外，当确定车辆处于突然制动事件时，驱动马达被操作以减少再生制动转矩。
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公开(公告)号：US11245126B2
公开(公告)日：2022-02-08
申请号：US16537137
申请日：2019-08-09
发明人： Soon Il Jeon , Dae Jong Kim , Dong Hun Lee
IPC分类号： H01M8/04828 , H01M8/04119 , H01M8/04492 , H01M8/04992 , H01M8/0432 , H01M8/0438 , H01M8/04223
摘要： The present invention provides a relative humidity and condensed water estimator for a fuel cell and a method for controlling condensed water drain using the same. Here, the relative humidity and condensed water estimator is utilized in control of the fuel cell system involving control of anode condensed water drain by outputting at least two of signals comprising air-side relative humidity, hydrogen-side relative humidity, air-side instantaneous or cumulative condensed water, hydrogen-side instantaneous or cumulative condensed water, instantaneous and cumulative condensed water of the humidifier, membrane water contents, catalyst layer oxygen partial pressure, catalyst layer hydrogen partial pressure, stack or cell voltage, air-side catalyst layer relative humidity, hydrogen-side catalyst layer relative humidity, oxygen supercharging ratio, hydrogen supercharging ratio, residual water in a stack, and residual water in a humidifier.
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