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公开(公告)号：US09835099B2
公开(公告)日：2017-12-05
申请号：US14950240
申请日：2015-11-24
申请人： Cummins Inc.
CPC分类号： F02D41/0052 , F02D41/0072 , F02D41/1401 , F02D41/1402 , F02D41/1406 , F02D41/1458 , F02D41/1461 , F02D41/1462 , F02D41/1467 , F02D41/18 , Y02T10/47
摘要： This disclosure provides a system and method for controlling internal combustion engine system to reduce operation variations among plural engines. The system and method utilizes single-input-single-output (SISO) control in which a single operating parameter lever is selected from among exhaust gas recirculation (EGR) fraction and charge air mass flow (MCF), and a stored reference value associated with the selected lever is adjusted for an operating point in accordance with a difference between a measured emissions characteristic and a pre-calibrated reference value of the emissions characteristic for that operating point. Adjusting the selected operating parameter lever towards the theoretical pre-calibrated reference value of the operating parameter lever for each of plural operating points can reduce engine-to-engine variations in engine out emissions.
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2.发明授权公开(公告)号：US09388759B2
公开(公告)日：2016-07-12
申请号：US14001668
申请日：2012-02-28
CPC分类号： F02D41/1467 , F02D35/021 , F02D35/023 , F02D41/005 , F02D41/1466 , F02D41/1497 , F02D41/30 , F02D41/40
摘要： A system and method is provided for the use of the ion current signal characteristics for onboard cycle-by-cycle, cylinder-by-cylinder measurement, for example soot measurement, load measurement such as indicated or brake mean effective pressure, or fuel consumption measurement in an internal combustion engine. The system may acquire an ion current signal, measures one or more of soot, load, fuel consumption and may control the engine operating parameters accordingly.
摘要翻译： 提供了一种用于使用离子电流信号特性的系统和方法，用于车载逐个循环，逐缸测量，例如烟灰测量，诸如指示或制动平均有效压力的负载测量或燃料消耗测量 在内燃机中。 系统可以获取离子电流信号，测量煤烟，负荷，燃料消耗中的一种或多种，并且可以相应地控制发动机工作参数。
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公开(公告)号：US09334772B2
公开(公告)日：2016-05-10
申请号：US14063415
申请日：2013-10-25
发明人： Alexander Sappok , Victor Wong
CPC分类号： F01N3/023 , F01N3/035 , F02D41/029 , F02D41/1467 , F02D2200/0812
摘要： A system and method for controlling the operation of a particulate filter is disclosed. The objective of this control system is to manipulate the properties and spatial distribution of contaminant material accumulated in filters to reduce filter pressure drop and associated deleterious impacts of the contaminant material on filter performance.
摘要翻译： 公开了一种用于控制微粒过滤器的操作的系统和方法。 该控制系统的目的是操纵在过滤器中累积的污染物质的性质和空间分布，以减少过滤器压降和污染物质对过滤器性能的有害影响。
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公开(公告)号：US20160115878A1
公开(公告)日：2016-04-28
申请号：US14521314
申请日：2014-10-22
发明人： Brad Alan VanDerWege
CPC分类号： F02D41/0087 , F02D17/02 , F02D41/1466 , F02D41/1467 , F02D2200/021
摘要： Methods and systems are provided for particulate matter control in an engine configured for skip-fire operation. A cylinder pattern selected for selective cylinder deactivation, including a total number of deactivated/active cylinders as well as individual deactivated cylinder identities, may be adjusted based on an engine soot load, or a parameter indicative of engine soot load such as engine coolant temperature. In addition, reactivated engine cylinders may be transiently operated with split fuel injection to raise combustion surface temperatures.
摘要翻译： 提供了配置为用于跳火操作的发动机中的颗粒物质控制的方法和系统。 可以基于发动机烟灰负载或指示发动机冷却剂负载（例如发动机冷却剂温度）的参数来调整为选择性气缸停用而选择的气缸模式，包括停用/活动气缸的总数以及单独的停用气缸标识。 此外，重新激活的发动机气缸可以用分体燃料喷射瞬时操作，以提高燃烧表面温度。
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公开(公告)号：US09228511B2
公开(公告)日：2016-01-05
申请号：US13656308
申请日：2012-10-19
申请人： CUMMINS INC.
CPC分类号： F02D41/0052 , F02D41/0072 , F02D41/1401 , F02D41/1402 , F02D41/1406 , F02D41/1458 , F02D41/1461 , F02D41/1462 , F02D41/1467 , F02D41/18 , Y02T10/47
摘要： This disclosure provides a system and method for controlling internal combustion engine system to reduce operation variations among plural engines. The system and method utilizes single-input-single-output (SISO) control in which a single operating parameter lever is selected from among exhaust gas recirculation (EGR) fraction and charge air mass flow (MCF), and a stored reference value associated with the selected lever is adjusted for an operating point in accordance with a difference between a measured emissions characteristic and a pre-calibrated reference value of the emissions characteristic for that operating point. Adjusting the selected operating parameter lever towards the theoretical pre-calibrated reference value of the operating parameter lever for each of plural operating points can reduce engine-to-engine variations in engine out emissions.
摘要翻译： 本公开提供了一种用于控制内燃机系统以减少多个发动机之间的操作变化的系统和方法。 该系统和方法采用单输入单输出（SISO）控制，其中从排气再循环（EGR）分数和增压空气质量流量（MCF）中选择单个操作参数杆，以及与 根据测量的排放特性与该工作点的排放特性的预校准参考值之间的差异，对所选择的杠杆进行调整。 对于多个操作点中的每一个，将所选择的操作参数杆调整到操作参数杆的理论预校准参考值可以减少发动机到发动机排放的发动机变化。
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6.发明授权Accumulated ash correction during soot mass estimation in a vehicle exhaust aftertreatment device 有权在车尾废气后处理装置中烟灰质量估计期间的积灰灰修正公开(公告)号：US09091190B2
公开(公告)日：2015-07-28
申请号：US13563841
申请日：2012-08-01
CPC分类号： F01N9/002 , F01N9/005 , F01N2560/08 , F01N2900/0412 , F01N2900/1606 , F02D41/029 , F02D41/1448 , F02D41/1467 , F02D2200/0812 , Y02T10/47
摘要： A method of correcting a soot mass estimate in a vehicle exhaust aftertreatment device includes monitoring an exhaust gas pressure drop across a particulate filter included with the vehicle exhaust aftertreatment device. Following the detection of a pressure drop, a controller may determine a soot mass estimate from the monitored pressure drop; determine an ash volume estimate representative of an amount of ash within the particulate filter; determine an ash correction factor from the soot mass estimate and the ash volume estimate; and calculate a corrected soot mass value by multiplying the ash correction factor with the soot mass estimate. If the corrected soot mass value exceeds a threshold, the controller may generate a corresponding particulate filter regeneration request.
摘要翻译： 车辆排气后处理装置中的烟灰质量估计的校正方法包括：监视车辆废气后处理装置所具备的微粒过滤器的废气压降。 在检测到压降之后，控制器可以从监测的压降确定烟灰质量估计值; 确定代表颗粒过滤器内的灰分量的灰分体积估计值; 从烟灰质量估计和灰量估计确定灰分校正因子; 并且通过将灰分校正因子与烟灰质量估计相乘来计算校正的烟灰质量值。 如果校正的烟灰质量值超过阈值，则控制器可以产生相应的微粒过滤器再生请求。
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7.发明申请EXHAUST SAMPLING SYSTEM AND METHOD FOR SYNCHRONIZING TIME ALIGNMENT AND DILATION 有权排气采样系统和方法同步时间对位和放大公开(公告)号：US20150177203A1
公开(公告)日：2015-06-25
申请号：US14406624
申请日：2013-06-11
CPC分类号： G01N33/0006 , F01N11/00 , F01N2560/00 , F02D41/1444 , F02D41/1445 , F02D41/1466 , F02D41/1467 , F02D41/28 , F02D2041/288 , F02D2250/14 , G01M15/10 , G01M15/102 , G01N1/22 , G01N1/2252 , Y02T10/47
摘要： A system and method is provided for synchronizing a first and second signal of an exhaust sampling system. The first signal is generated by a first instrument and includes an exhaust flow rate component and a first instrument time stamp component. The second signal is generated by a second instrument and includes a pollutant concentration component and a second instrument time stamp component. The second instrument also generates a tertiary signal that has been influenced by the first signal and includes a second instrument time stamp component. A synchronization module determines a time relationship for synchronizing the first signal and the second signal by comparing the first flow rate component and the first instrument time stamp component of the first signal to the tertiary signal and the second instrument time stamp component of the tertiary signal. The synchronization provides accurate calculation of a pollutant mass flow rate.
摘要翻译： 提供了一种用于使排气采样系统的第一和第二信号同步的系统和方法。 第一信号由第一仪器产生并且包括排气流量分量和第一仪器时间戳分量。 第二信号由第二仪器产生，并且包括污染物浓度分量和第二仪器时间戳分量。 第二仪器还产生受第一信号影响的第三信号，并包括第二仪器时间戳分量。 同步模块通过将第一信号的第一流量分量和第一仪器时间戳分量与第三信号的第三信号和第二仪器时间戳分量进行比较来确定用于同步第一信号和第二信号的时间关系。 同步提供了污染物质量流量的精确计算。
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公开(公告)号：US09008949B2
公开(公告)日：2015-04-14
申请号：US13376052
申请日：2009-06-03
申请人： Tomomi Onishi
发明人： Tomomi Onishi
CPC分类号： F02D41/029 , F01N3/021 , F01N11/00 , F01N2900/1606 , F01N2900/1611 , F02D41/1467 , Y02T10/20 , Y02T10/47
摘要： A soot discharge amount is calculated by multiplying a “steady discharge amount” by a “transient correction value.” The steady discharge amount is a Soot discharge amount in a steady operation state, and is acquired through table search. For each of a plurality of factors which affect the Soot discharge amount, a steady value (value obtained through table search) of the factor and a transient value (current value) of the factor are substituted for a characteristic equation which represents a change in the Soot discharge amount with the value of the factor, whereby a steady characteristic value and a transient characteristic value are acquired. The “ratio between the steady characteristic value and the transient characteristic value” is then calculated for each factor. The transient correction value is obtained by multiplying together all values of the “ratio between the steady characteristic value and the transient characteristic value” obtained for the factors.
摘要翻译： 通过将“稳定排出量”乘以“瞬时校正值”来计算烟灰排放量。稳定排放量是稳定运行状态下的烟灰排放量，并且通过表格搜索获取。 对于影响烟灰放电量的多个因素中的每个因素，将因子的稳定值（通过表搜索获得的值）和因子的瞬时值（当前值）代入表示变化的特征方程 利用因子值对烟灰放电量进行控制，从而得到稳定特性值和瞬态特性值。 然后针对每个因子计算“稳定特性值与瞬态特性值之比”。 通过将所有因子获得的“稳定特性值与瞬态特性值之比”的所有值相乘，从而获得瞬态校正值。
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公开(公告)号：US20140238003A1
公开(公告)日：2014-08-28
申请号：US14347570
申请日：2012-10-15
发明人： Ryo Sase , Ko Takayanagi , Keisuke Okuda
IPC分类号： F01N3/023
CPC分类号： F01N3/023 , F01N3/02 , F01N3/0231 , F01N3/103 , F01N9/002 , F01N9/005 , F01N11/00 , F01N13/0097 , F01N2250/02 , F01N2430/00 , F01N2550/04 , F01N2560/06 , F01N2560/07 , F01N2560/08 , F01N2900/0412 , F01N2900/0416 , F01N2900/0601 , F01N2900/08 , F01N2900/1402 , F01N2900/1404 , F01N2900/1406 , F01N2900/1602 , F01N2900/1606 , F02D41/1467 , F02D41/18 , F02D41/222 , F02D2200/0406 , F02D2200/0414 , F02D2200/0812 , Y02T10/40 , Y02T10/47
摘要： A PM accumulation amount estimation device 50 is provided with an exhaust amount computation means 51 for computing PM exhaust amount which is discharged in an exhaust gas passage 3, and a passive regeneration amount computation means 52 for computing a PM regeneration amount in a DPF 7, and is configured to estimate the PM accumulation amount in the DPF 7 from the difference between the PM exhaust amount computed by the exhaust amount computation means 51 and the PM regeneration amount computed by the passive regeneration amount computation means 52. The PM accumulation amount estimation device 50 is further configured such that, when an abnormality is found in an airflow meter 31, the PM regeneration amount from NO2 is computed, and the PM accumulation amount in the DPF is estimated, without using the airflow amount measured by the airflow meter 31.
摘要翻译： PM堆积量推定装置50具备排气量计算装置51，用于计算废气通道3中排放的排气量;以及被动再生量计算装置52，用于计算DPF 7中的PM再生量， 并且被配置为根据由排气量计算装置51计算的PM排气量与由被动再生量计算装置52计算出的PM再生量之差从DPF 7中的PM累积量来估计PM累积量估计装置 50被配置为使得当在气流计31中发现异常时，计算出来自NO2的PM再生量，并且不使用由气流计31测量的气流量来估计DPF中的PM累积量。
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10.发明授权System for controlling the exhaust gas return rate by means of virtual NOx sensors with adaptation via a NOx sensor 有权用于通过具有通过NOx传感器适配的虚拟NOx传感器来控制废气返回率的系统公开(公告)号：US08700291B2
公开(公告)日：2014-04-15
申请号：US12597556
申请日：2007-04-26
申请人： Olaf Erik Herrmann
发明人： Olaf Erik Herrmann
CPC分类号： F02D41/0052 , F02B3/06 , F02B29/0406 , F02D41/0072 , F02D41/1402 , F02D41/1404 , F02D41/1405 , F02D41/146 , F02D41/1462 , F02D41/1467 , F02D41/1477 , F02D41/187 , F02D41/2451 , F02D2041/1409 , F02D2041/1419 , F02D2041/1433 , F02M26/05 , F02M26/06 , F02M26/15 , F02M26/24 , F02M26/47 , F02M26/48 , Y02T10/47
摘要： The present invention relates to a method for adjusting a mass flow of an exhaust gas return of an internal combustion engine, taking into consideration a NOx behavior, wherein a controlling system provides a coupling of a virtual NOx determination with a real NOx control. Furthermore, an internal combustion engine with appropriate controlling means is proposed.
摘要翻译： 本发明涉及一种考虑到NOx行为来调节内燃机排气回流的质量流量的方法，其中控制系统提供虚拟NOx确定与实际NOx控制的耦合。 此外，提出了具有适当控制装置的内燃机。
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