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21.发明申请DIAGNOSTIC SYSTEMS AND METHODS FOR FUEL INJECTORS IN HOMOGENOUS CHARGE COMPRESSION IGNITION ENGINE SYSTEMS 有权燃料喷射器在均匀充气压力点火发动机系统中的诊断系统和方法公开(公告)号：US20110079193A1
公开(公告)日：2011-04-07
申请号：US12574114
申请日：2009-10-06
CPC分类号： F02D41/3035 , F02D41/40 , F02D2041/1436 , F02D2041/2065 , F02D2041/389 , Y02T10/128 , Y02T10/44
摘要： An engine control system for a homogenous charge compression ignition (HCCI) engine includes a fuel injector temperature determination module and a fuel injector control module. The fuel injector temperature determination module determines a temperature of a tip of a fuel injector based on a first temperature model when the HCCI engine is operating in an HCCI combustion mode, and determines the temperature of the tip of the fuel injector based on a second temperature model when the HCCI engine is operating in a spark ignition (SI) combustion mode. The fuel injector control module controls a fuel injector pulse width based on the determined temperature and a predetermined temperature threshold, wherein the fuel injector pulse width increases when the determined temperature is greater than the predetermined temperature threshold.
摘要翻译： 用于均质充气压缩点火（HCCI）发动机的发动机控制系统包括燃料喷射器温度确定模块和燃料喷射器控制模块。 当HCCI发动机以HCCI燃烧模式操作时，燃料喷射器温度确定模块基于第一温度模型确定燃料喷射器的尖端的温度，并且基于第二温度来确定燃料喷射器的尖端的温度 HCCI发动机在火花点火（SI）燃烧模式下运行时的型号。 燃料喷射器控制模块基于所确定的温度和预定温度阈值来控制燃料喷射器脉冲宽度，其中当所确定的温度大于预定温度阈值时，燃料喷射器脉冲宽度增加。
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22.发明申请SYSTEM AND METHOD FOR CONTROLLING TRANSIENT SWITCHING BETWEEN HCCI MODE AND SI MODE OF AN ENGINE 有权用于控制发动机的HCCI模式和SI模式之间的瞬时切换的系统和方法公开(公告)号：US20100275877A1
公开(公告)日：2010-11-04
申请号：US12576585
申请日：2009-10-09
CPC分类号： F02D41/3035 , F02B1/12 , F02D41/3076 , F02D2200/1004 , F02D2250/18 , Y02T10/128
摘要： A control system and method for operating an engine includes an HCCI mode control module operating an engine in a homogeneous charge compression (HCCI) mode. The control system also includes a difference module determining an actual difference between a desired torque amount and a spark ignition (SI) threshold. An SI mode control module operates the engine in a SI state when the actual difference is above a threshold band. A HCCI mode control module operates the engine in the HCCI mode for a predetermined time when the actual difference is within the torque threshold band. The HCCI mode control module operates the engine in the HCCI mode when the actual difference is below the torque threshold band.
摘要翻译： 用于操作发动机的控制系统和方法包括以均质充气压缩（HCCI）模式操作发动机的HCCI模式控制模块。 控制系统还包括确定期望转矩量与火花点火（SI）阈值之间的实际差的差分模块。 当实际差异高于阈值频带时，SI模式控制模块以SI状态操作发动机。 当实际差值在扭矩阈值带内时，HCCI模式控制模块在HCCI模式下操作发动机达预定时间。 当实际差值低于转矩阈值带时，HCCI模式控制模块以HCCI模式运行发动机。
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23.发明授权System and method for controlling fuel delivery based on output from a post-catalyst oxygen sensor during catalyst light-off 有权在催化剂熄灭期间，基于催化剂后氧传感器的输出控制燃料输送的系统和方法公开(公告)号：US08621844B2
公开(公告)日：2014-01-07
申请号：US13105336
申请日：2011-05-11
IPC分类号： F01N3/00
CPC分类号： F02D41/0255 , F02D41/1441 , F02D41/1454 , Y02T10/26
摘要： A system includes a voltage determination module and a fuel control module. The voltage determination module determines a first output voltage of a first oxygen sensor position upstream from a catalyst in an exhaust system of an engine, and determines a second output voltage from a second oxygen sensor positioned downstream from the catalyst, the first output voltage indicating a first oxygen level of exhaust upstream from the catalyst, the second output voltage indicating a second oxygen level of exhaust downstream from the catalyst. The fuel control module controls a fuel mass injected into the engine based on the first output voltage and the second output voltage when a temperature of the catalyst is greater than a light-off temperature, and controls the fuel mass based on the second output voltage and independent from the first output voltage when the catalyst temperature is less than light-off temperature.
摘要翻译： 一种系统包括电压确定模块和燃料控制模块。 电压确定模块确定发动机的排气系统中的催化剂上游的第一氧传感器位置的第一输出电压，并且确定位于催化剂下游的第二氧传感器的第二输出电压，第一输出电压指示 催化剂上游的排气的第一氧气水平，第二输出电压指示催化剂下游的排气的第二氧气水平。 当催化剂的温度大于点火温度时，燃料控制模块基于第一输出电压和第二输出电压来控制喷射到发动机中的燃料质量，并且基于第二输出电压控制燃料质量， 当催化剂温度低于起燃温度时，独立于第一输出电压。
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公开(公告)号：US20140000564A1
公开(公告)日：2014-01-02
申请号：US13590599
申请日：2012-08-21
IPC分类号： F02M51/06
CPC分类号： F02D41/401 , F02D41/20 , F02D41/40 , F02D2041/2027 , F02D2041/2051 , F02D2041/2055 , Y02T10/44
摘要： A system for a vehicle includes a voltage measuring module, a second derivative module, a closing period module, and an injector driver module. The voltage measuring module measures first and second voltages at first and second electrical connectors of a fuel injector that injects fuel directly into a cylinder of an engine. The second derivative module determines a second-order derivative of a difference between the first and second voltages. The closing period module determines a closing period of the fuel injector based on the second-order derivative of the difference. The injector driver module selectively adjusts closing of the fuel injector based on the closing period.
摘要翻译： 一种用于车辆的系统包括电压测量模块，二阶导数模块，闭合周期模块和喷射器驱动器模块。 电压测量模块测量燃料喷射器的第一和第二电连接器处的第一和第二电压，其将燃料直接喷射到发动机的气缸中。 二阶导数模块确定第一和第二电压之间的差的二阶导数。 关闭期间模块基于差的二阶导数来确定燃料喷射器的关闭周期。 喷射器驱动器模块基于关闭周期选择性地调节燃料喷射器的关闭。
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25.发明申请SYSTEM AND METHOD FOR CONTROLLING FUEL DELIVERY BASED ON OUTPUT FROM A POST-CATALYST OXYGEN SENSOR DURING CATALYST LIGHT-OFF 有权用于控制燃料输送的系统和方法基于在催化剂熄灭期间的后催化氧传感器的输出公开(公告)号：US20120285142A1
公开(公告)日：2012-11-15
申请号：US13105336
申请日：2011-05-11
IPC分类号： F01N3/00
CPC分类号： F02D41/0255 , F02D41/1441 , F02D41/1454 , Y02T10/26
摘要： A system includes a voltage determination module and a fuel control module. The voltage determination module determines a first output voltage of a first oxygen sensor position upstream from a catalyst in an exhaust system of an engine, and determines a second output voltage from a second oxygen sensor positioned downstream from the catalyst, the first output voltage indicating a first oxygen level of exhaust upstream from the catalyst, the second output voltage indicating a second oxygen level of exhaust downstream from the catalyst. The fuel control module controls a fuel mass injected into the engine based on the first output voltage and the second output voltage when a temperature of the catalyst is greater than a light-off temperature, and controls the fuel mass based on the second output voltage and independent from the first output voltage when the catalyst temperature is less than light-off temperature.
摘要翻译： 一种系统包括电压确定模块和燃料控制模块。 电压确定模块确定发动机的排气系统中的催化剂上游的第一氧传感器位置的第一输出电压，并且确定位于催化剂下游的第二氧传感器的第二输出电压，第一输出电压指示 催化剂上游的排气的第一氧气水平，第二输出电压指示催化剂下游的排气的第二氧气水平。 当催化剂的温度大于点火温度时，燃料控制模块基于第一输出电压和第二输出电压来控制喷射到发动机中的燃料质量，并且基于第二输出电压控制燃料质量， 当催化剂温度低于起燃温度时，独立于第一输出电压。
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26.发明授权Diagnostic systems and methods for sensors in homogenous charge compression ignition engine systems 有权用于均质充气压缩点火发动机系统的传感器的诊断系统和方法公开(公告)号：US08255143B2
公开(公告)日：2012-08-28
申请号：US12512459
申请日：2009-07-30
CPC分类号： F02D41/222 , F02D41/187 , F02D41/3035 , F02D2200/0402 , F02D2200/0406 , Y02T10/128
摘要： An engine control system for a homogenous charge compression ignition (HCCI) engine includes an airflow determination module and a sensor diagnostic module. The airflow determination module generates a first plurality of estimates of airflow into the HCCI engine when the HCCI engine is operating in a first combustion mode, wherein the first plurality of estimates are based on an intake manifold absolute pressure (MAP), a mass air flow (MAF) rate, and a camshaft position. The sensor diagnostic module determines a state of at least one of a first plurality of sensors based on a predetermined threshold and differences between one of the first plurality of estimates and others of the first plurality of estimates, wherein the first plurality of sensors includes a MAP sensor, a MAF sensor, and a camshaft sensor.
摘要翻译： 用于均质充气压缩点火（HCCI）发动机的发动机控制系统包括气流确定模块和传感器诊断模块。 当HCCI发动机以第一燃烧模式操作时，气流确定模块产生对HCCI发动机的气流的第一多个估计值，其中第一多个估计值基于进气歧管绝对压力（MAP），质量空气流量 （MAF）速率和凸轮轴位置。 所述传感器诊断模块基于预定阈值来确定第一多个传感器中的至少一个的状态，以及所述第一多个估计中的一个与所述第一多个估计中的另一个之间的差异，其中所述第一多个传感器包括MAP 传感器，MAF传感器和凸轮轴传感器。
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公开(公告)号：US20120180763A1
公开(公告)日：2012-07-19
申请号：US13027531
申请日：2011-02-15
IPC分类号： F02M51/00
CPC分类号： F02D41/402 , F02D41/18 , F02D2200/021 , Y02T10/44
摘要： A desired pulse width module determines a desired length of a single pulse of fuel for a combustion cycle of a cylinder of an engine. A multiple pulses module determines a number of pulses (N) for the combustion cycle, wherein N is an integer greater than 1. A fraction determination module determines N fractional values for the N pulses, respectively. An injector control module generates individual lengths for the N pulses based on the N fractional values, respectively, and based on the desired length. A fuel actuator module opens a fuel injector that injects fuel into the cylinder during the combustion cycle in N pulses having the individual lengths, respectively.
摘要翻译： 期望的脉冲宽度模块确定用于发动机气缸的燃烧循环的燃料单脉冲的期望长度。 多脉冲模块确定用于燃烧循环的脉冲数（N），其中N是大于1的整数。分数确定模块分别确定N个脉冲的N个分数值。 喷射器控制模块分别基于N个分数值并且基于期望的长度为N个脉冲生成单独的长度。 燃料致动器模块打开燃料喷射器，其在燃烧循环期间分别以具有各个长度的N个脉冲将燃料喷射到气缸中。
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28.发明申请公开(公告)号：US20110132317A1
公开(公告)日：2011-06-09
申请号：US12629966
申请日：2009-12-03
CPC分类号： F02D41/3035 , F02B1/12 , F02B17/005 , F02B2075/125 , F02D13/0207 , F02D41/0002 , F02D41/064 , F02D2200/021 , F02D2200/0404 , F02M31/07 , F02M35/108 , Y02T10/126 , Y02T10/128 , Y02T10/42
摘要： A system for controlling intake airflow of an engine includes a mode determination module, a throttle valve control module, and a valve actuation module. The mode determination module generates a mode signal based on an engine speed signal and an engine load signal. The mode signal indicates one of a spark ignition mode and a homogeneous charge compression ignition mode. The throttle valve control module generates a valve control signal based on the mode signal, a temperature signal, and a plurality of valve position signals that indicate positions of first and second throttle valves. The throttle valve control module controls the positions of the first and second throttle valves to regulate flow rates of intake air into an intake manifold of the engine via a heat exchanger based on the valve control signal. The valve actuation module actuates the first and second throttle valves based on the valve control signal.
摘要翻译： 用于控制发动机的进气气流的系统包括模式确定模块，节气门控制模块和阀致动模块。 模式确定模块基于发动机速度信号和发动机负载信号产生模式信号。 模式信号表示火花点火模式和均质充量压缩点火模式之一。 节流阀控制模块基于模式信号，温度信号和指示第一和第二节流阀的位置的多个阀位置信号产生阀控制信号。 节流阀控制模块基于阀控制信号，控制第一和第二节流阀的位置，以通过热交换器调节进入发动机的进气歧管的进气流量。 阀致动模块基于阀控制信号来致动第一和第二节流阀。
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29.发明申请DIAGNOSTIC SYSTEMS AND METHODS FOR SENSORS IN HOMOGENOUS CHARGE COMPRESSION IGINTION ENGINE SYSTEMS 有权均匀充气压缩发动机系统中传感器的诊断系统和方法公开(公告)号：US20110029216A1
公开(公告)日：2011-02-03
申请号：US12512459
申请日：2009-07-30
CPC分类号： F02D41/222 , F02D41/187 , F02D41/3035 , F02D2200/0402 , F02D2200/0406 , Y02T10/128
摘要： An engine control system for a homogenous charge compression ignition (HCCI) engine includes an airflow determination module and a sensor diagnostic module. The airflow determination module generates a first plurality of estimates of airflow into the HCCI engine when the HCCI engine is operating in a first combustion mode, wherein the first plurality of estimates are based on an intake manifold absolute pressure (MAP), a mass air flow (MAF) rate, and a camshaft position. The sensor diagnostic module determines a state of at least one of a first plurality of sensors based on a predetermined threshold and differences between one of the first plurality of estimates and others of the first plurality of estimates, wherein the first plurality of sensors includes a MAP sensor, a MAF sensor, and a camshaft sensor.
摘要翻译： 用于均质充气压缩点火（HCCI）发动机的发动机控制系统包括气流确定模块和传感器诊断模块。 当HCCI发动机以第一燃烧模式操作时，气流确定模块产生对HCCI发动机的气流的第一多个估计值，其中第一多个估计值基于进气歧管绝对压力（MAP），质量空气流量 （MAF）速率和凸轮轴位置。 所述传感器诊断模块基于预定阈值来确定第一多个传感器中的至少一个的状态，以及所述第一多个估计中的一个与所述第一多个估计中的另一个之间的差异，其中所述第一多个传感器包括MAP 传感器，MAF传感器和凸轮轴传感器。
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公开(公告)号：US20080196694A1
公开(公告)日：2008-08-21
申请号：US11676561
申请日：2007-02-20
IPC分类号： F02M61/16
CPC分类号： F02D41/402 , F02D37/02 , F02D2250/21 , Y02T10/44
摘要： A fuel injection system for a direct fuel injection engine includes an injection mode module. The injection mode module selects a fuel injection mode to be one of a single injection mode and a dual injection mode. A fuel injection command module transitions between the single and dual injection modes by varying the timing of fuel injection events relative to a crankshaft position.
摘要翻译： 用于直接燃料喷射发动机的燃料喷射系统包括喷射模式模块。 喷射模式模块将燃料喷射模式选择为单喷射模式和双喷射模式之一。 燃料喷射指令模块通过改变相对于曲轴位置的燃料喷射事件的定时在单喷射模式和双喷射模式之间转换。
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