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公开(公告)号：KR101337909B1
公开(公告)日：2013-12-09
申请号：KR1020120013641
申请日：2012-02-10
IPC: B60W50/02 , B60W10/30 , B60K15/077
Abstract: 본 발명은 하이브리드 차량용 연료 고갈 진단 장치 및 방법에 관한 것으로서, 더욱 상세하게는 하이브리드 차량의 주행 또는 시동시 연료 고갈에 따른 지속적인 크랭킹으로 인하여 배터리가 방전되는 것을 방지할 수 있도록 한 하이브리드 차량용 연료 고갈 진단 장치 및 방법에 관한 것이다.
즉, 본 발명은 연료탱크내의 연료가 약 10% 미만에서 주유 경고등이 점등된 후, 소비되는 연료량을 누적 계산하고, 누적된 연료소비량이 기준값이 이상이면 엔진 기동 금지 조건의 진입 조건중 하나인 연료 런아웃 비트 신호를 HCU에 전송하여 엔진 시동 시도가 이루어지지 않도록 함으로써, 배터리의 방전 현상을 용이하게 방지할 수 있도록 한 하이브리드 차량용 연료 고갈 진단 장치 및 방법을 제공하고자 한 것이다.-
公开(公告)号：KR1020130064544A
公开(公告)日：2013-06-18
申请号：KR1020110131204
申请日：2011-12-08
Inventor： 이영대
IPC: B60W30/188 , B60W10/06 , B60W20/00
CPC classification number: F02D29/02 , B60W10/06 , B60W20/00 , B60W30/188 , B60W2550/12 , B60W2710/0666 , F02D11/105 , F02D2200/0414 , F02D2200/1004 , F02D2200/1006 , F02D2200/703
Abstract: PURPOSE: An engine control method for hybrid vehicles is provided to drive vehicles with optimal fuel rates by considering external conditions(intake air temperature, atmospheric pressure and the like) of a current engine by hybrid control unit(HCU) and calculating optimum operation line(OOL) torque, thereby reflecting various exterior conditions. CONSTITUTION: An engine control method for hybrid vehicles comprises the following steps: inputting mapping information which includes intake air temperature which becomes a reference of an engine target test and an atmospheric pressure compensation element(S10); calculating current available torque by considering the intake air temperature and atmospheric pressure compensation element which are calculated in the current engine(S20); and calculating OOL torque from the current engine by applying OOL rate per revolution per minute(RPM) in the engine target test to the current available torque of the engine(S30). The engine target test is a test performed under a specific condition in order to manufacture a specific fuel consumption(SFC) map. [Reference numerals] (AA) Start; (BB) End; (S10) Inputting mapping information which includes intake air temperature which becomes a reference of an engine target test and an atmospheric pressure compensation element; (S20) Calculating current available torque by considering the intake air temperature and atmospheric pressure compensation element which are calculated in the current engine; (S30) Calculating OOL torque from the current engine by applying OOL rate per revolution per minute(RPM) in the engine target test to the current available torque of the engine
Abstract translation: 目的：通过考虑混合控制单元（HCU）的当前发动机的外部条件（进气温度，大气压力等）并计算最佳运行线（HCU），提供混合动力车辆的发动机控制方法，以驱动最佳燃油速度的车辆 OOL）扭矩，从而反映各种外部条件。 构成：混合动力车辆的发动机控制方法包括以下步骤：输入成为发动机目标试验的基准的进气温度和大气压补偿元件的映射信息（S10）; 通过考虑在当前发动机中计算的进气温度和大气压力补偿元件来计算当前可用转矩（S20）; 并且通过在发动机目标试验中将每转每分钟的转速（RPM）应用到发动机的当前可用转矩来计算来自当前发动机的OOL转矩（S30）。 发动机目标测试是在特定条件下执行的测试，以制造特定燃料消耗（SFC）图。 （附图标记）（AA）开始; （BB）结束; （S10）输入作为发动机目标试验的基准的进气温度和大气压补偿元件的输入映射信息; （S20）考虑在当前发动机中计算出的进气温度和大气压力补偿元件来计算电流可用转矩; （S30）通过在发动机目标测试中将每分钟转速（RPM）的OOL速率应用于发动机的当前可用转矩来计算来自当前发动机的OOL转矩
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公开(公告)号：KR100980934B1
公开(公告)日：2010-09-07
申请号：KR1020080063265
申请日：2008-07-01
Inventor： 이영대
CPC classification number: B60W20/15 , B60L2240/486 , B60W10/06 , B60W10/08 , B60W20/00 , B60W30/182 , B60W2510/0657 , B60W2710/105 , Y02T10/6286 , Y10T477/23 , Y10T477/688
Abstract: 본 발명은 하이브리드 차량의 엔진 출력토크 제한 방법에 관한 것으로서, 더욱 상세하게는 하이브리드 차량의 엔진 흡기캠이 활성화되는 시점을 판단하여, 흡기캡의 활성화 전에는 엔진 요구토크를 제한하고, 흡기캠의 활성화 후에는 엔진 요구토크를 시스템 효율이 최대가 되는 수준으로 배분할 수 있도록 한 하이브리드 차량의 엔진 출력토크 제한 방법에 관한 것이다.
이를 위해, 본 발명은 EV주행모드에서 HEV주행모드로 천이될 때, 하이브리드 차량의 엔진이 토크를 발생시키는 단계와; 엔진 유압이 특정 압력에 도달하였는지를 판단하는 단계와; 엔진 유압이 특정 압력 이하이면, 제한된 엔진 출력 토크내에서 하이브리드 시스템 효율이 최대가 되는 수준으로 요구하는 단계; 엔진 유압이 특정 압력에 도달하면, 엔진 요구토크를 하이브리드 시스템 효율이 최대가 되는 수준으로 요구하는 단계; 를 포함하는 것을 특징으로 하는 하이브리드 차량의 엔진 출력토크 제어 방법을 제공한다.
하이브리드, 엔진 출력토크, EV, HEV, 흡기캠, 유압-
公开(公告)号：KR1020100011038A
公开(公告)日：2010-02-03
申请号：KR1020080072083
申请日：2008-07-24
Inventor： 이영대
CPC classification number: Y02T10/40 , F02D41/222 , B60Y2200/92 , F02D2041/225
Abstract: PURPOSE: A method for diagnosing leakage of fuel system on a hybrid electric vehicle is provided to diagnose the leak of the fuel system by maintaining the specified RPM of an engine and the negative pressure of the fuel system. CONSTITUTION: It is decided whether information, detected while a hybrid electric vehicle is driving, satisfies the leak diagnosis condition(10). If it satisfies the leak diagnosis condition, it is decided whether the vehicle driving information satisfies the slowing down condition or not(30). If it satisfies the slowing down condition, opens an engine clutch and keeps idle state. If the specified RPM and negative pressure of the engine is create according to maintain idle state, the leak diagnosis of the fuel system is proceed to a negative pressure mode, while keeping the specified RPM and negative pressure of the engine.
Abstract translation: 目的：提供一种用于诊断混合动力汽车上的燃料系统泄漏的方法，用于通过维持发动机的规定RPM和燃料系统的负压来诊断燃料系统的泄漏。 构成：决定混合电动车辆驾驶时检测到的信息是否满足泄漏诊断条件（10）。 如果满足泄漏诊断条件，则判定车辆驾驶信息是否满足减速条件（30）。 如果满足减速条件，打开发动机离合器并保持空转状态。 如果根据保持怠速状态产生指定的发动机的RPM和负压，则在保持发动机的规定RPM和负压的同时，燃料系统的泄漏诊断进行到负压模式。
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公开(公告)号：KR1020040094923A
公开(公告)日：2004-11-12
申请号：KR1020030028478
申请日：2003-05-06
Applicant: 현대자동차주식회사
Inventor： 이영대
IPC: H02J7/00
Abstract: PURPOSE: A charging apparatus and a charging method are provided to allow for a free voltage charge by automatically detecting an AC voltage applied from an external source for charge of a driver battery. CONSTITUTION: A charging apparatus comprises an input voltage sensing unit(100) for detecting whether an AC power for charge of a driver battery is input from an external source; a first switch(SW11) and a second switch(SW12) which are switched in accordance with the control signal applied from the input voltage sensing unit; a transformer for dropping the input AC power to the preset level; inductors(L11,L12) for inducing the AC power supplied through the transformer; smoothing capacitors for smoothing positive and negative phase potentials; single phase full-bridge diodes(D11 to D14) for rectifying the AC power which is level-dropped and applied; a selection switch(SW13) which is switched by the control signal applied from the input voltage sensing unit; and a first rectifier capacitor(C14) and a second rectifier capacitor(C15) connected to the output terminal of the single phase full-bridge diode, and which charge the rectified DC voltage.
Abstract translation: 目的：提供充电装置和充电方法，以通过自动检测从外部源施加的用于驱动电池的充电的AC电压来实现自由电压充电。 构成：充电装置包括：输入电压检测单元，用于检测是否从外部源输入用于驱动电池充电的AC电力; 根据从输入电压检测单元施加的控制信号切换的第一开关（SW11）和第二开关（SW12）; 用于将输入AC电力降低到预设电平的变压器; 用于感应通过变压器提供的AC电力的电感器（L11，L12） 平滑电容器，用于平滑正相和负相电位; 单相全桥二极管（D11〜D14），用于整流掉电和施加的交流电; 选择开关（SW13），其通过从输入电压感测单元施加的控制信号切换; 和连接到单相全桥二极管的输出端的第一整流电容器（C14）和第二整流电容器（C15），对整流后的直流电压进行充电。
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Patent Agency Ranking
公开(公告)号：KR1020110062135A
公开(公告)日：2011-06-10
申请号：KR1020090118727
申请日：2009-12-02
Abstract: PURPOSE: An oxygen sensor monitoring apparatus for hybrid vehicle and a method thereof are provided to improve marketability of the hybrid vehicle by monitoring an oxygen sensor to identically maintain regenerative braking energy while preventing fuel efficiency deterioration of the hybrid vehicle. CONSTITUTION: A oxygen sensor monitoring method of hybrid vehicle includes the following steps: determining whether driving information satisfies a first condition or not during deceleration of the hybrid vehicle; determining whether a battery exceeds a charge limiting value by detecting regenerative brake energy of the motor; determining whether warm up of the engine is completed or not; operating the engine to the specific number of engine; and performing OBD monitoring of an oxygen sensor(S111).
Abstract translation: 目的：提供一种用于混合动力车辆的氧传感器监测装置及其方法，以通过监测氧传感器来同时保持再生制动能量同时防止混合动力车辆的燃料效率劣化来提高混合动力车辆的市场性。 构成：混合动力车辆的氧传感器监视方法包括以下步骤：在混合动力车辆的减速期间，判定驾驶信息是否满足第一条件; 通过检测电动机的再生制动能量来确定电池是否超过充电限制值; 确定发动机的预热是否完成; 将发动机运转到特定数量的发动机; 并进行氧传感器的OBD监视（S111）。
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公开(公告)号：KR100986488B1
公开(公告)日：2010-10-08
申请号：KR1020080092967
申请日：2008-09-22
Abstract: 본 발명은 하드타입 하이브리드 차량의 배기가스 저감 방법에 관한 것으로, 더욱 상세하게는 하이브리드 차량에서 엔진 냉간 시동시 촉매 전단에서 발생하는 배기가스 량을 감소시키기 위해 ISG를 이용하여 엔진 유압을 흡기캠을 활성화할 수 있도록 형성한 다음 흡기캠을 적절히 진각하여 밸브 오버랩을 형성함으로써 연료의 기화를 원활하게 촉진하여 연소안정성을 확보하는 하드타입 하이브리드 차량의 배기가스 저감 방법에 관한 것이다.
이를 위하여 본 발명은 하드타입 하이브리드 차량에서 엔진 냉간 첫 시동 후 촉매 활성화 이전에 촉매 전단에 배기가스를 저감하기 위한 방법으로서,
엔진 냉간에서 첫 시동인지 판단하는 단계와; 엔진 냉간에서 첫 시동 후 연료분사가 수행되기 전인지 판단하는 단계와; 연료가 분사되기 전에 흡기캠을 활성화하는 단계와; 흡기캠이 활성화되면 진각시켜 적절한 밸브 오버랩을 형성하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 하드타입 하이브리드 차량의 배기가스 저감 방법을 제공한다.
하이브리드 차량, 배기가스, 냉간 시동, 캠, 흡기캠, 밸브 오버랩, 캠 페이징-
公开(公告)号：KR100666297B1
公开(公告)日：2007-01-09
申请号：KR1020050089148
申请日：2005-09-26
Applicant: 현대자동차주식회사
Inventor： 이영대
Abstract: A gas leak checking method of a fuel system is provided to compare a difference between an inner pressure and an outer temperature of the fuel system to diagnose gas leakage. A gas leak checking method of a fuel system includes the steps of comparing an outdoor temperature of a vehicle with a temperature of cooling water by using an engine control unit to detect a soaking state of the vehicle(S200), closing a shut-off valve of the fuel system to close the interior of the fuel system to make the interior have a certain volume(S300), and measuring a pressure in a fuel tank by using a fuel tank pressure sensor(S500). After closing the fuel system, an outdoor temperature of the fuel system is measured. After measuring the inner temperature, a monitoring step is performed. In the monitoring step, the pressure and the temperature are monitored at predetermined time periods. The pressure and the temperature are measured during the inner pressure measurement step and the outer temperature measurement step by using the engine control unit.
Abstract translation: 提供燃料系统的气体泄漏检查方法以比较燃料系统的内部压力和外部温度之间的差异，以诊断气体泄漏。 燃料系统的气体泄漏检查方法包括以下步骤：通过使用发动机控制单元来比较车辆的室外温度与冷却水的温度，以检测车辆的均热状态（S200），关闭截止阀 的燃料系统以关闭燃料系统的内部以使内部具有一定的体积（S300），并且通过使用燃料箱压力传感器（S500）来测量燃料箱中的压力。 在关闭燃料系统之后，测量燃料系统的室外温度。 测量内部温度后，进行监视步骤。 在监视步骤中，在预定的时间段监视压力和温度。 在内压测量步骤和外部温度测量步骤中通过使用发动机控制单元来测量压力和温度。
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公开(公告)号：KR1020050018172A
公开(公告)日：2005-02-23
申请号：KR1020030056186
申请日：2003-08-13
Applicant: 현대자동차주식회사
IPC: B60L11/18
CPC classification number: Y02T10/7005
Abstract: PURPOSE: A system and method for supplying power(12-voltage) to a vehicle operated at power (42-voltage) are provided to efficiently use energy by selecting one battery relatively having the much available power out of three 12-voltage batteries comprised in a 36-voltage battery. CONSTITUTION: A system for supplying power(12-voltage) to a vehicle operated at power(42-voltage) includes a 36-voltage battery(10), a relay(20), and a BMS(30). The 36-votage battery stores the power generated at a 42-voltage generator and includes three 12-voltage batteries(11,13,15) connected in series. The relay selects one of the three batteries. The BMS(Battery management System) measures available power of the three batteries and controls the relay so as to select the one having the maximum available power of the three batteries.
Abstract translation: 目的：为在电力（42电压）下运行的车辆提供电力（12电压）的系统和方法被提供，以通过选择一个相对具有可用功率的一个电池来有效地使用能量，所述电池包含三个12电压电池 一个36电压的电池。 构成：用于向在电力（42电压）下操作的车辆供电（12电压）的系统包括36电压电池（10），继电器（20）和BMS（30）。 36节电池存储在42电压发生器处产生的电力，并且包括串联连接的三个12电压电池（11,13,15）。 继电器选择三个电池中的一个。 BMS（电池管理系统）测量三个电池的可用功率，并控制继电器，以选择具有三个电池最大可用功率的继电器。
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公开(公告)号：KR1020050005697A
公开(公告)日：2005-01-14
申请号：KR1020030045719
申请日：2003-07-07
Applicant: 현대자동차주식회사
Inventor： 이영대
IPC: H02P1/40
Abstract: PURPOSE: A cooling fan control apparatus and a cooling fan control method are provided to extend the lifespan of a battery pack by reducing temperature variation of a battery module and permitting the battery module uniform to have a uniform capacity. CONSTITUTION: A cooling fan control apparatus comprises a cooling fan arranged in an electric vehicle so as to cool the electric vehicle; a motor(21) connected to the cooling fan so as to drive the cooling fan; a switch(22) connected to the motor so as to switch the operation of the motor; a three-stage relay(23) connected to the switch so as to turn on/off the switch; and an electronic control unit for controlling the three-stage relay so as to control the rotation direction of the cooling fan in such a manner that air flows toward an outside of the electric vehicle during charging of the electric vehicle.
Abstract translation: 目的：提供一种冷却风扇控制装置和冷却风扇控制方法，通过减少电池模块的温度变化来延长电池组的使用寿命，并允许电池组件均匀地具有均匀的容量。 构成：冷却风扇控制装置包括布置在电动车辆中以冷却电动车辆的冷却风扇; 连接到所述冷却风扇以驱动所述冷却风扇的电机（21）; 连接到所述电动机的开关（22），以切换所述电动机的操作; 连接到开关的三级继电器（23），以便打开/关闭开关; 以及电子控制单元，用于控制三级继电器，以便在电动车辆充电期间以空气流向电动车辆外部的方式控制冷却风扇的旋转方向。
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