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公开(公告)号：US11745723B2
公开(公告)日：2023-09-05
申请号：US17218696
申请日：2021-03-31
发明人： Ji Won Oh , Jeong Soo Eo , Sung Jae Kim , Lee Hyoung Cho
IPC分类号： B60W20/15 , B60W10/184 , B60W50/00
CPC分类号： B60W20/15 , B60W10/184 , B60W2050/001 , B60W2050/0012 , B60W2510/0638 , B60W2510/0657 , B60W2510/081 , B60W2510/083 , B60W2710/18
摘要： A vehicle driving force control method is provided. The vehicle driving force control method includes collecting vehicle driving information, estimating speed of a driving system of a vehicle from the collected vehicle driving information and calculating speed difference between measurement speed of the driving system and the estimated speed of the driving system, obtaining torque command rate information from the calculated speed difference, limiting a variation of reference torque command determined according to the vehicle driving information based on the acquired torque command rate information to determine final torque command, and controlling operation of a vehicle driving device according to the final torque command.
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公开(公告)号：US20220111830A1
公开(公告)日：2022-04-14
申请号：US17218696
申请日：2021-03-31
发明人： Ji Won OH , Jeong Soo Eo , Sung Jae Kim , Lee Hyoung Cho
IPC分类号： B60W20/15 , B60W10/184
摘要： A vehicle driving force control method is provided. The vehicle driving force control method includes collecting vehicle driving information, estimating speed of a driving system of a vehicle from the collected vehicle driving information and calculating speed difference between measurement speed of the driving system and the estimated speed of the driving system, obtaining torque command rate information from the calculated speed difference, limiting a variation of reference torque command determined according to the vehicle driving information based on the acquired torque command rate information to determine final torque command, and controlling operation of a vehicle driving device according to the final torque command.
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公开(公告)号：US20220105943A1
公开(公告)日：2022-04-07
申请号：US17178046
申请日：2021-02-17
发明人： Ji Won Oh , Jeong Soo Eo , Ki Mo Sohn , Lee Hyoung Cho
摘要： A wheel slip control method for a vehicle is provided, and includes estimating equivalent inertia information of a driving system based on operation information of the driving system while a vehicle travels, determining whether the slip of a drive wheel occurs from the estimated equivalent inertia information of the driving system, determining whether the drive wheel is in an uneven wheel slip state where the slip occurs only in one of a left wheel and a right wheel of the drive wheel from a left wheel speed and a right wheel speed detected by a sensor, if it is determined that the slip of the drive wheel occurs, and controlling an operation of a braking device such that a braking force is applied to the vehicle wheel in which the slip occurs, if it is determined that the vehicle wheel is in the uneven wheel slip state.
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公开(公告)号：US10829108B2
公开(公告)日：2020-11-10
申请号：US15849512
申请日：2017-12-20
发明人： Sang Joon Kim , Lee Hyoung Cho , Young Chul Kim , Jea Mun Lee , Dong Ho Yang
摘要： Disclosed are a hybrid electric vehicle, which is capable of controlling engine starting in consideration of entry into a specific area, and method of controlling the same. A method of controlling engine starting of a hybrid vehicle includes determining whether catalyst heating is necessary, determining whether a current location corresponds to a specific area associated with exhaust emissions, determining whether a first mode driving is possible, when it is determined that the current position corresponds to the specific area and the catalyst heating is necessary, and performing the first mode driving when the first mode driving is determined to be possible, or a second mode driving when the first mode driving is determined to be impossible. Here, the first mode driving is performed by using an electric motor, and the second mode driving is performed by using at least an engine.
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公开(公告)号：US11287439B2
公开(公告)日：2022-03-29
申请号：US16396341
申请日：2019-04-26
发明人： Ji Won Oh , Jeong Soo Eo , Sang Joon Kim , Lee Hyoung Cho
摘要： A system and method for estimating a wheel speed of a vehicle are provided. The system includes a wheel speed sensor that detects a rotation speed of a wheel of the vehicle and a longitudinal acceleration sensor that detects a longitudinal acceleration of the vehicle. A controller converts the longitudinal acceleration to a wheel acceleration, compensates for the converted wheel acceleration based on a compensation value obtained using wheel speed information, integrates the compensated wheel acceleration, and calculates a wheel speed estimation value based on the integrated wheel acceleration.
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公开(公告)号：US11285818B2
公开(公告)日：2022-03-29
申请号：US16380604
申请日：2019-04-10
发明人： Ji Won Oh , Jeong Soo Eo , Sang Joon Kim , Lee Hyoung Cho
摘要： A driving torque command generating apparatus and method of an eco-friendly vehicle are provided. The apparatus and method obtain rapid reaction and response of the vehicle in response to a driving input while effectively reducing NVH problems caused by torsion and backlash of a drive system even during a significant change in driving force caused by the driving input. Torsional state information of a vehicle drive system is obtained from input information regarding a motor speed and a wheel speed detected by a motor speed detector and a wheel speed detector. A motor torque command is generated based on a driving input value input by a driving input value detector and the obtained torsional state information.
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公开(公告)号：US10710571B2
公开(公告)日：2020-07-14
申请号：US15847541
申请日：2017-12-19
发明人： Sang Joon Kim , Young Chul Kim , Lee Hyoung Cho , Dong Ho Yang
IPC分类号： B60W20/16 , B60W40/13 , B60W30/14 , B60W50/14 , B60W40/105
摘要： A method for controlling a response to driving load of a hybrid vehicle includes: estimating an optimum speed for a current driving situation, estimating a target driving load based on the optimum speed, determining an eco-level corresponding to the target driving load from among a plurality of eco-levels, and changing at least some of an eco-gauge according to the determined eco-level.
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公开(公告)号：US20200088756A1
公开(公告)日：2020-03-19
申请号：US16396341
申请日：2019-04-26
发明人： Ji Won Oh , Jeong Soo Eo , Sang Joon Kim , Lee Hyoung Cho
摘要： A system and method for estimating a wheel speed of a vehicle are provided. The system includes a wheel speed sensor that detects a rotation speed of a wheel of the vehicle and a longitudinal acceleration sensor that detects a longitudinal acceleration of the vehicle. A controller converts the longitudinal acceleration to a wheel acceleration, compensates for the converted wheel acceleration based on a compensation value obtained using wheel speed information, integrates the compensated wheel acceleration, and calculates a wheel speed estimation value based on the integrated wheel acceleration.
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公开(公告)号：US20190389317A1
公开(公告)日：2019-12-26
申请号：US16380604
申请日：2019-04-10
发明人： Ji Won Oh , Jeong Soo Eo , Sang Joon Kim , Lee Hyoung Cho
IPC分类号： B60L15/20
摘要： A driving torque command generating apparatus and method of an eco-friendly vehicle are provided. The apparatus and method obtain rapid reaction and response of the vehicle in response to a driving input while effectively reducing NVH problems caused by torsion and backlash of a drive system even during a significant change in driving force caused by the driving input. Torsional state information of a vehicle drive system is obtained from input information regarding a motor speed and a wheel speed detected by a motor speed detector and a wheel speed detector. A motor torque command is generated based on a driving input value input by a driving input value detector and the obtained torsional state information.
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公开(公告)号：US11801841B2
公开(公告)日：2023-10-31
申请号：US17505107
申请日：2021-10-19
发明人： Sang Joon Kim , Lee Hyoung Cho
IPC分类号： B60K6/48 , B60W20/00 , F02B67/06 , F02N11/04 , B60W30/192 , B60W10/107 , B60W10/06 , B60W10/08 , B60W20/15 , B60K6/485 , B60K6/26
CPC分类号： B60W30/192 , B60K6/485 , B60W10/06 , B60W10/08 , B60W10/107 , B60W20/15 , B60K2006/268 , B60W2510/0241 , B60W2510/0638 , B60W2710/06 , B60W2710/085
摘要： An engine start controller for a hybrid vehicle and a method thereof are provided. The engine start controller includes a hybrid starter generator (HSG) that is connected to an engine by a belt, a sensor that is configured to measure an HSG speed, and a processor that applies a starting torque to the HSG. When starting the engine, the processor calculates an HSG speed estimated based on the applied starting torque and calculates an amount of slip of the belt using the HSG speed. In addition, the processor calculates a torque change rate correction value based on the calculated amount of slip, and corrects a rate of change rate in the starting torque based on the torque change rate correction value.
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