-
公开(公告)号：US20120209494A1
公开(公告)日：2012-08-16
申请号：US13024726
申请日：2011-02-10
IPC分类号： F01L25/00
CPC分类号： F02D41/0097 , F01L1/2405 , F01L13/0031 , F01L2800/11 , F02D35/024 , F02D41/1497 , F02D41/221 , F02D2041/001 , F02D2041/1432 , F02D2041/227 , F02D2041/228 , F02D2200/1012 , Y02T10/40
摘要： A system for a vehicle includes a filtering module, an indicated mean effective pressure (IMEP) determination module, and a stuck mechanism indicator module. The filtering module generates engine speeds based on positions of teeth of a toothed wheel that rotates with a crankshaft and based on a crankshaft position signal generated by a crankshaft position sensor. The IMEP determination module determines an IMEP for a combustion cycle of a cylinder of an engine based on squares of first and second ones of the engine speeds during the combustion cycle. The stuck mechanism indicator module selectively diagnoses a fault in a variable valve lift (VVL) mechanism of the cylinder based on the IMEP.
摘要翻译： 车辆系统包括过滤模块，指示平均有效压力（IMEP）确定模块和卡住机构指示器模块。 过滤模块基于与曲轴一起旋转的齿轮的齿的位置并且基于由曲轴位置传感器产生的曲轴位置信号来生成发动机转速。 IMEP确定模块基于燃烧循环期间的第一和第二发动机速度的平方，确定发动机气缸的燃烧循环的IMEP。 卡住机构指示器模块基于IMEP选择性地诊断气缸的可变气门升程（VVL）机构的故障。
-
公开(公告)号：US08612124B2
公开(公告)日：2013-12-17
申请号：US13024726
申请日：2011-02-10
CPC分类号： F02D41/0097 , F01L1/2405 , F01L13/0031 , F01L2800/11 , F02D35/024 , F02D41/1497 , F02D41/221 , F02D2041/001 , F02D2041/1432 , F02D2041/227 , F02D2041/228 , F02D2200/1012 , Y02T10/40
摘要： A system for a vehicle includes a filtering module, an indicated mean effective pressure (IMEP) determination module, and a stuck mechanism indicator module. The filtering module generates engine speeds based on positions of teeth of a toothed wheel that rotates with a crankshaft and based on a crankshaft position signal generated by a crankshaft position sensor. The IMEP determination module determines an IMEP for a combustion cycle of a cylinder of an engine based on squares of first and second ones of the engine speeds during the combustion cycle. The stuck mechanism indicator module selectively diagnoses a fault in a variable valve lift (VVL) mechanism of the cylinder based on the IMEP.
摘要翻译： 车辆系统包括过滤模块，指示平均有效压力（IMEP）确定模块和卡住机构指示器模块。 过滤模块基于与曲轴一起旋转的齿轮的齿的位置并且基于由曲轴位置传感器产生的曲轴位置信号来生成发动机转速。 IMEP确定模块基于燃烧循环期间的第一和第二发动机速度的平方，确定发动机气缸的燃烧循环的IMEP。 卡住机构指示器模块基于IMEP选择性地诊断气缸的可变气门升程（VVL）机构的故障。
-
公开(公告)号：US08392096B2
公开(公告)日：2013-03-05
申请号：US12762523
申请日：2010-04-19
IPC分类号： G06F19/00
CPC分类号： F02P5/045 , F02D2200/1004
摘要： An engine control system includes a disturbance module, a misfire threshold determination module, a disturbance ratio module, and a spark control module. The disturbance module determines a disturbance value for a past combustion stroke of a cylinder based on rotation of a crankshaft. The misfire threshold determination module determines a jerk value indicative of a misfire within the cylinder. The disturbance ratio module determines a disturbance ratio for the past combustion stroke based on the disturbance value and the jerk value. The spark control module determines a spark timing for a future combustion stroke of the cylinder, determines a spark timing correction for the future combustion stroke based on the disturbance ratio, determines a corrected spark timing based on the spark timing and the spark timing correction, and generates spark during the future combustion stroke based on the corrected spark timing.
摘要翻译： 发动机控制系统包括干扰模块，失火阈值确定模块，扰动比模块和火花控制模块。 干扰模块基于曲轴的旋转来确定气缸的过去燃烧冲程的干扰值。 失火阈值确定模块确定指示气缸内的失火的冲击值。 干扰比模块根据扰动值和冲击值确定过去燃烧行程的扰动比。 火花控制模块确定气缸的未来燃烧冲程的火花正时，基于干扰比确定未来燃烧冲程的火花正时校正，基于火花正时和火花定时校正确定校正的火花正时，以及 基于校正的火花正时，在未来的燃烧冲程期间产生火花。
-
公开(公告)号：US20130054109A1
公开(公告)日：2013-02-28
申请号：US13222503
申请日：2011-08-31
IPC分类号： F02D28/00
CPC分类号： F02D41/1497 , F02D41/009 , F02D2041/1417
摘要： A system for a vehicle includes a time stamping module, a period determination module, a stochastic pre-ignition (SPI) indication module, and an SPI remediation module. The time stamping module generates first and second timestamps when a crankshaft of an engine is in first and second crankshaft positions during an engine cycle, respectively. The period determination module determines a period between the first and second timestamps. The SPI indication module selectively indicates that an SPI event occurred within a cylinder of the engine based on the period. The SPI remediation module selectively adjusts at least one engine operating parameter in response to the SPI indication module indicating that the SPI event occurred within the cylinder.
摘要翻译： 一种车辆系统包括时间戳模块，周期确定模块，随机预点火（SPI）指示模块和SPI修复模块。 发动机的曲轴分别在发动机循环期间处于第一和第二曲轴位置时，时间戳模块产生第一和第二时间戳。 周期确定模块确定第一和第二时间戳之间的周期。 SPI指示模块基于该周期选择性地指示发生在发动机的气缸内的SPI事件。 SPI修复模块响应于SPI指示模块选择性地调整至少一个引擎操作参数，指示SPI事件发生在气缸内。
-
公开(公告)号：US09097196B2
公开(公告)日：2015-08-04
申请号：US13222503
申请日：2011-08-31
CPC分类号： F02D41/1497 , F02D41/009 , F02D2041/1417
摘要： A system for a vehicle includes a time stamping module, a period determination module, a stochastic pre-ignition (SPI) indication module, and an SPI remediation module. The time stamping module generates first and second timestamps when a crankshaft of an engine is in first and second crankshaft positions during an engine cycle, respectively. The period determination module determines a period between the first and second timestamps. The SPI indication module selectively indicates that an SPI event occurred within a cylinder of the engine based on the period. The SPI remediation module selectively adjusts at least one engine operating parameter in response to the SPI indication module indicating that the SPI event occurred within the cylinder.
摘要翻译： 一种车辆系统包括时间戳模块，周期确定模块，随机预点火（SPI）指示模块和SPI修复模块。 发动机的曲轴分别在发动机循环期间处于第一和第二曲轴位置时，时间戳模块产生第一和第二时间戳。 周期确定模块确定第一和第二时间戳之间的周期。 SPI指示模块基于该周期选择性地指示发生在发动机的气缸内的SPI事件。 SPI修复模块响应于SPI指示模块选择性地调整至少一个引擎操作参数，指示SPI事件发生在气缸内。
-
公开(公告)号：US20110253101A1
公开(公告)日：2011-10-20
申请号：US12762523
申请日：2010-04-19
IPC分类号： F02P5/04
CPC分类号： F02P5/045 , F02D2200/1004
摘要： An engine control system includes a disturbance module, a misfire threshold determination module, a disturbance ratio module, and a spark control module. The disturbance module determines a disturbance value for a past combustion stroke of a cylinder based on rotation of a crankshaft. The misfire threshold determination module determines a jerk value indicative of a misfire within the cylinder. The disturbance ratio module determines a disturbance ratio for the past combustion stroke based on the disturbance value and the jerk value. The spark control module determines a spark timing for a future combustion stroke of the cylinder, determines a spark timing correction for the future combustion stroke based on the disturbance ratio, determines a corrected spark timing based on the spark timing and the spark timing correction, and generates spark during the future combustion stroke based on the corrected spark timing.
摘要翻译： 发动机控制系统包括干扰模块，失火阈值确定模块，扰动比模块和火花控制模块。 干扰模块基于曲轴的旋转来确定气缸的过去燃烧冲程的干扰值。 失火阈值确定模块确定指示气缸内的失火的冲击值。 干扰比模块根据扰动值和冲击值确定过去燃烧行程的扰动比。 火花控制模块确定气缸的未来燃烧冲程的火花正时，基于干扰比确定未来燃烧冲程的火花正时校正，基于火花正时和火花定时校正确定校正的火花正时，以及 基于校正的火花正时，在未来的燃烧冲程期间产生火花。
-
7.发明授权
公开(公告)号：US5150692A
公开(公告)日：1992-09-29
申请号：US807315
申请日：1991-12-16
CPC分类号： F02M67/02 , F02D33/00 , F02D41/32 , F02D7/02 , F02D2041/3088 , F02D2041/389 , F02D41/3023
摘要： A system is disclosed for controlling the pressure in a pressurized air supply for an internal combustion engine having pneumatic direct fuel injection, wherein pressurized air from the supply is utilized to inject fuel held within a fuel injector directly into an engine cylinder, against opposing cylinder compression pressure, while the injector is opened during a cylinder injection period in the engine cycle. The system adjusts the duration of the cylinder fuel injection period in accordance with the sensed pressure in the air supply to maintain the air supply pressure above cylinder compression pressure during the injection period, thereby preventing the backflow of fuel through the cylinder fuel injector into the air supply.
-
公开(公告)号：US08516895B2
公开(公告)日：2013-08-27
申请号：US12575694
申请日：2009-10-08
IPC分类号： G01L7/16
CPC分类号： F02D41/222 , F02D35/023 , G01L27/007 , Y02T10/40
摘要： A pressure sensor diagnostic system of the present disclosure includes an excitation module, a frequency determination module, and a fault determination module. The excitation module excites an in-cylinder pressure sensor and causes the in-cylinder pressure sensor to oscillate. The frequency determination module determines an oscillation frequency of the in-cylinder pressure sensor. The fault determination module diagnoses the in-cylinder pressure sensor based on the oscillation frequency.
摘要翻译： 本公开的压力传感器诊断系统包括激励模块，频率确定模块和故障确定模块。 励磁模块激发缸内压力传感器，并使缸内压力传感器振荡。 频率确定模块确定缸内压力传感器的振荡频率。 故障判定模块基于振荡频率来诊断缸内压力传感器。
-
公开(公告)号：US20130079998A1
公开(公告)日：2013-03-28
申请号：US13245952
申请日：2011-09-27
IPC分类号： B60R11/00
CPC分类号： B60R1/074 , B60J1/17 , B60S1/0818 , B60S3/00 , H01Q1/103
摘要： A method of controlling a vehicle is provided. The method includes determining a current car wash mode from a plurality of car wash modes; and controlling at least one vehicle component based on the car wash mode.
摘要翻译： 提供一种控制车辆的方法。 该方法包括从多个洗车模式确定当前洗车模式; 以及基于所述洗车模式来控制至少一个车辆部件。
-
公开(公告)号：US07568467B2
公开(公告)日：2009-08-04
申请号：US11759263
申请日：2007-06-07
CPC分类号： G01M15/06 , F02D35/023 , F02D41/009 , G01M15/08
摘要： A method of correcting a crankshaft position may include determining first, second, and third crankshaft positions, determining first, second, and third cylinder pressures, determining first, second, and third cylinder volumes, determining the logarithm of the first, second, and third cylinder pressures and cylinder volumes, and determining a relationship between the third cylinder volume and the first and second cylinder volumes. The first, second, and third crankshaft positions may be provided during one of a piston expansion stroke and a piston compression stroke within a cylinder. The logarithm of the third cylinder pressure and cylinder volume may be evaluated with respect to a predetermined limit of a line defined by the logarithm of the first and second cylinder pressures and first and second cylinder volumes.
摘要翻译： 校正曲轴位置的方法可以包括确定第一，第二和第三曲轴位置，确定第一，第二和第三气缸压力，确定第一，第二和第三气缸体积，确定第一，第二和第三气缸体积的对数 气缸压力和气缸体积，以及确定第三气缸容积与第一和第二气缸体积之间的关系。 第一，第二和第三曲轴位置可以在气缸内的活塞膨胀冲程和活塞压缩冲程之一内提供。 可以相对于由第一和第二气缸压力和第一和第二气缸体积的对数限定的线的预定极限来评估第三气缸压力和气缸容积的对数。
-
-
-
-
-
-
-
-
-
搜索结果
61 条记录 (耗时 0.022 秒)
