公开(公告)号：US20070089478A1

公开(公告)日：2007-04-26

申请号：US11510198

申请日：2006-08-25

申请人： Ralf Wirth ,  Heribert Haerle ,  Torsten Handler ,  Dirk Samuelsen ,  Werner Christl ,  Sabine Rosch ,  Bernhard Kamp ,  Michael Kolitsch ,  Katharina Schaenzlin

发明人： Ralf Wirth ,  Heribert Haerle ,  Torsten Handler ,  Dirk Samuelsen ,  Werner Christl ,  Sabine Rosch ,  Bernhard Kamp ,  Michael Kolitsch ,  Katharina Schaenzlin

IPC分类号： G01N33/00

CPC分类号： F01N9/002 ,  F01N2560/00 ,  F02D41/1466 ,  G01N15/0656 ,  Y02T10/47

摘要： A method for operating a sensor for recording particles in an exhaust gas flow and a device for carrying out the method are provided, in which at least one measure of the exhaust gas flow is ascertained and in which the measure of the exhaust gas flow is taken into consideration in the valuation of the particle sensor signal made available by the particle sensor. The procedure is based on the knowledge that the exhaust gas flow, for instance, the exhaust gas volume flow, has an influence on the particle sensor signal made available by the particle sensor, especially when the measuring effect is based on the depositing of particles on a sensor surface. Using the procedure, a possibly present cross sensitivity of the particle sensor with respect to different exhaust gas flows is taken into consideration, so that the measuring accuracy is increased.

摘要翻译： 提供了一种操作用于记录废气流中的颗粒的传感器的方法和用于执行该方法的装置，其中确定排气流的至少一个测量值，并且其中采用废气流的测量 在由粒子传感器获得的粒子传感器信号的估值中考虑。 该程序是基于排气流量（例如废气体积流量）对颗粒传感器可用的颗粒传感器信号有影响的知识，特别是当测量效果基于颗粒沉积时 传感器表面。 使用该过程，考虑到颗粒传感器相对于不同废气流的可能存在的交叉灵敏度，使得测量精度提高。

公开(公告)号：US07587925B2

公开(公告)日：2009-09-15

申请号：US11510198

申请日：2006-08-25

申请人： Ralf Wirth ,  Heribert Haerle ,  Torsten Handler ,  Dirk Samuelsen ,  Werner Christl ,  Sabine Rösch ,  Bernhard Kamp ,  Michael Kolitsch ,  Katharina Schaenzlin

发明人： Ralf Wirth ,  Heribert Haerle ,  Torsten Handler ,  Dirk Samuelsen ,  Werner Christl ,  Sabine Rösch ,  Bernhard Kamp ,  Michael Kolitsch ,  Katharina Schaenzlin

IPC分类号： G01N15/06

CPC分类号： F01N9/002 ,  F01N2560/00 ,  F02D41/1466 ,  G01N15/0656 ,  Y02T10/47

摘要： A method for operating a sensor for recording particles in an exhaust gas flow and a device for carrying out the method are provided, in which at least one measure of the exhaust gas flow is ascertained and in which the measure of the exhaust gas flow is taken into consideration in the valuation of the particle sensor signal made available by the particle sensor. The procedure is based on the knowledge that the exhaust gas flow, for instance, the exhaust gas volume flow, has an influence on the particle sensor signal made available by the particle sensor, especially when the measuring effect is based on the depositing of particles on a sensor surface. Using the procedure, a possibly present cross sensitivity of the particle sensor with respect to different exhaust gas flows is taken into consideration, so that the measuring accuracy is increased.

摘要翻译： 提供了一种操作用于记录废气流中的颗粒的传感器的方法和用于执行该方法的装置，其中确定排气流的至少一个测量值，并且其中采用废气流的测量 在由粒子传感器获得的粒子传感器信号的估值中考虑。 该程序是基于排气流量（例如废气体积流量）对颗粒传感器可用的颗粒传感器信号有影响的知识，特别是当测量效果基于颗粒沉积时 传感器表面。 使用该过程，考虑到颗粒传感器相对于不同废气流的可能存在的交叉灵敏度，使得测量精度提高。

公开(公告)号：US07568376B2

公开(公告)日：2009-08-04

申请号：US11789480

申请日：2007-04-24

申请人： Rainer Strohmaier ,  Torsten Handler ,  Bernhard Kamp ,  Katharina Schaenzlin ,  Henrik Schittenhelm ,  Andreas Sturm

发明人： Rainer Strohmaier ,  Torsten Handler ,  Bernhard Kamp ,  Katharina Schaenzlin ,  Henrik Schittenhelm ,  Andreas Sturm

IPC分类号： G01N15/06

CPC分类号： F02D41/1467 ,  F01N2560/05 ,  F02D41/029 ,  F02D41/1445 ,  F02D41/1446 ,  F02D41/1459 ,  F02D41/146 ,  F02D41/1466 ,  F02D2041/1472 ,  F02D2041/281

摘要： The invention concerns a procedure to determine a mass of particles or a particle mass flow in an exhaust gas system of an internal combustion engine, whereby at least one resistive particle sensor is disposed in the exhaust gas system of the internal combustion engine. The measured signal change of the particle sensor is compared with a predicted signal change of the particle sensor ascertained from an engine model.If the measured signal change of the particle sensor and/or the predicted signal change of the particle sensor are corrected while taking into account the influencing variables on the transverse sensitivities of the particle sensor, it is possible when ascertaining the predicted signal change of the particle sensor that a compensation for the transverse sensibilities can result even during dynamic operating point changes of the internal combustion engine, which occur faster than the actuation of the particle sensor. This is the case because the correction can even be implemented for small predicted signal changes, such as those occurring during a currently transpiring operating point of the internal combustion engine. Because the predicted signal changes are ascertained from a set of characteristic curves of the engine model, these measurement intervals capable of being assigned to very short times and for that reason to individual operating points of the internal combustion engine can be determined with the very small predicted signal changes, which are required for this purpose.

摘要翻译： 本发明涉及一种确定内燃机排气系统中的颗粒质量或颗粒质量流量的方法，其中至少一个电阻式颗粒传感器设置在内燃机的废气系统中。 将测量的粒子传感器的信号变化与从发动机模型确定的粒子传感器的预测信号变化进行比较。 如果在考虑到颗粒传感器的横向敏感度的影响变量的情况下校正粒子传感器的测量信号变化和/或粒子传感器的预测信号变化，则可以确定粒子的预测信号变化 传感器即使在内燃机的动态工作点变化期间也能够产生对横向敏感性的补偿，其发生比颗粒传感器的致动更快。 这是因为甚至可以对小的预测信号变化进行校正，例如在内燃机的当前蒸发操作点期间发生的改变。 由于预测的信号变化是根据发动机模型的一组特性曲线确定的，所以能够将非常短的时间分配到这些原因的这些测量间隔可以用非常小的预测值来确定 信号变化，这是为此目的所需要的。

公开(公告)号：US20080000286A1

公开(公告)日：2008-01-03

申请号：US11789480

申请日：2007-04-24

申请人： Rainer Strohmaier ,  Torsten Handler ,  Bernhard Kamp ,  Katharina Schaenzlin ,  Henrik Schittenhelm ,  Andreas Sturm

发明人： Rainer Strohmaier ,  Torsten Handler ,  Bernhard Kamp ,  Katharina Schaenzlin ,  Henrik Schittenhelm ,  Andreas Sturm

IPC分类号： G01N27/12

CPC分类号： F02D41/1467 ,  F01N2560/05 ,  F02D41/029 ,  F02D41/1445 ,  F02D41/1446 ,  F02D41/1459 ,  F02D41/146 ,  F02D41/1466 ,  F02D2041/1472 ,  F02D2041/281

摘要： The invention concerns a procedure to determine a mass of particles or a particle mass flow in an exhaust gas system of an internal combustion engine, whereby at least one resistive particle sensor is disposed in the exhaust gas system of the internal combustion engine. The measured signal change of the particle sensor is compared with a predicted signal change of the particle sensor ascertained-from an engine model. If the measured signal change of the particle sensor and/or the predicted signal change of the particle sensor are corrected while taking into account the influencing variables on the transverse sensitivities of the particle sensor, it is possible when ascertaining the predicted signal change of the particle sensor that a compensation for the transverse sensibilities can result even during dynamic operating point changes of the internal combustion engine, which occur faster than the actuation of the particle sensor. This is the case because the correction can even be implemented for small predicted signal changes, such as those occurring during a currently transpiring operating point of the internal combustion engine. Because the predicted signal changes are ascertained from a set of characteristic curves of the engine model, these measurement intervals capable of being assigned to very short times and for that reason to individual operating points of the internal combustion engine can be determined with the very small predicted signal changes, which are required for this purpose.

摘要翻译： 本发明涉及一种确定内燃机排气系统中的颗粒质量或颗粒质量流量的方法，其中至少一个电阻式颗粒传感器设置在内燃机的废气系统中。 将粒子传感器的测量信号变化与从发动机模型确定的粒子传感器的预测信号变化进行比较。 如果在考虑到颗粒传感器的横向敏感度的影响变量的情况下校正粒子传感器的测量信号变化和/或粒子传感器的预测信号变化，则可以确定粒子的预测信号变化 传感器即使在内燃机的动态工作点变化期间也能够产生对横向敏感性的补偿，其发生比颗粒传感器的致动更快。 这是因为甚至可以对小的预测信号变化进行校正，例如在内燃机的当前蒸发操作点期间发生的改变。 由于预测的信号变化是根据发动机模型的一组特性曲线确定的，所以能够将非常短的时间分配到这些原因的这些测量间隔可以用非常小的预测值来确定 信号变化，这是为此目的所需要的。

公开(公告)号：US20100180669A1

公开(公告)日：2010-07-22

申请号：US12689582

申请日：2010-01-19

申请人： Enno Baars ,  Torsten Handler ,  Bernhard Kamp ,  Henrik Schittenhelm

发明人： Enno Baars ,  Torsten Handler ,  Bernhard Kamp ,  Henrik Schittenhelm

IPC分类号： G01N1/22

CPC分类号： F01N11/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0418 ,  F01N2900/0601 ,  F01N2900/08 ,  F01N2900/1606 ,  Y02T10/47

摘要： The invention relates to a method for diagnosing a particle filter used for filtering particles out of the exhaust gas of an internal combustion engine, wherein a collecting particle sensor is disposed downstream of the particle filter in the direction of flow of the exhaust gas and wherein a measurement for the loading of the particle sensor is determined from an output signal of the particle sensor. Provision is thereby made for the temporal integral of a parameter correlating to the particle emissions of the internal combustion engine to be formed during a measurement cycle, for the measurement for the loading of the particle sensor to be associated with the integral at least one measurement point in time during the measurement cycle and for a defective particle filter to be suggested if the measurement for the loading of the particle sensor is higher than a loading threshold value associated with the integral or if the integral is lower than an integral threshold value associated with the measurement for the loading of the particle sensor. The invention further relates to a device for carrying out the method. The method and the device allow for the diagnosis of the functionality of a particle filter in the exhaust gas of an internal combustion engine during any operating conditions passed through by the internal combustion engine.

摘要翻译： 本发明涉及一种用于诊断用于从内燃机的废气中除去颗粒的颗粒过滤器的方法，其中，在排气的流动方向上，在颗粒过滤器的下游配置有收集粒子传感器，其中， 从粒子传感器的输出信号确定粒子传感器的负载的测量。 因此，为了在测量周期期间形成与要形成的内燃机的颗粒物排放相关的参数的时间积分，为了与颗粒传感器的积分测量相关联的整数的至少一个测量点 如果粒子传感器的负载测量高于与积分相关联的负载阈值，或者如果积分低于与该积分相关联的积分阈值，则在测量周期期间的时间以及有缺陷的粒子滤波器被建议 颗粒传感器负载测量。 本发明还涉及一种用于执行该方法的装置。 该方法和装置允许在由内燃机通过的任何操作条件期间诊断内燃机的废气中的颗粒过滤器的功能。

公开(公告)号：US08327696B2

公开(公告)日：2012-12-11

申请号：US12689582

申请日：2010-01-19

申请人： Enno Baars ,  Torsten Handler ,  Bernhard Kamp ,  Henrik Schittenhelm

发明人： Enno Baars ,  Torsten Handler ,  Bernhard Kamp ,  Henrik Schittenhelm

IPC分类号： G01M15/10

CPC分类号： F01N11/00 ,  F01N2550/04 ,  F01N2560/05 ,  F01N2900/0418 ,  F01N2900/0601 ,  F01N2900/08 ,  F01N2900/1606 ,  Y02T10/47

摘要： The invention relates to a method for diagnosing a particle filter used for filtering particles out of the exhaust gas of an internal combustion engine, wherein a collecting particle sensor is disposed downstream of the particle filter in the direction of flow of the exhaust gas and wherein a measurement for the loading of the particle sensor is determined from an output signal of the particle sensor. Provision is thereby made for the temporal integral of a parameter correlating to the particle emissions of the internal combustion engine to be formed during a measurement cycle, for the measurement for the loading of the particle sensor to be associated with the integral at least one measurement point in time during the measurement cycle and for a defective particle filter to be suggested if the measurement for the loading of the particle sensor is higher than a loading threshold value associated with the integral or if the integral is lower than an integral threshold value associated with the measurement for the loading of the particle sensor. The invention further relates to a device for carrying out the method. The method and the device allow for the diagnosis of the functionality of a particle filter in the exhaust gas of an internal combustion engine during any operating conditions passed through by the internal combustion engine.

摘要翻译： 本发明涉及一种用于诊断用于从内燃机的废气中除去颗粒的颗粒过滤器的方法，其中，在排气的流动方向上，在颗粒过滤器的下游配置有收集粒子传感器，其中， 从粒子传感器的输出信号确定粒子传感器的负载的测量。 因此，为了在测量周期期间形成与要形成的内燃机的颗粒物排放相关的参数的时间积分，为了与颗粒传感器的积分测量相关联的整数的至少一个测量点 如果粒子传感器的负载测量高于与积分相关联的负载阈值，或者如果积分低于与该积分相关联的积分阈值，则在测量周期期间的时间以及有缺陷的粒子滤波器被建议 颗粒传感器负载测量。 本发明还涉及一种用于执行该方法的装置。 该方法和装置允许在由内燃机通过的任何操作条件期间诊断内燃机的废气中的颗粒过滤器的功能。

公开(公告)号：US08091408B2

公开(公告)日：2012-01-10

申请号：US12052496

申请日：2008-03-20

申请人： Enno Baars ,  Harald Koehnlein ,  Thomas Marc Kammerer ,  Bernhard Kamp ,  Henrik Schittenhelm

发明人： Enno Baars ,  Harald Koehnlein ,  Thomas Marc Kammerer ,  Bernhard Kamp ,  Henrik Schittenhelm

IPC分类号： G01N7/00

CPC分类号： G01N15/0606 ,  G01N15/0656 ,  G01N2015/0046

摘要： A procedure for operating a collecting particle sensor, which is provided with measuring phases, during which particles that are contained in an off-gas stream accumulate on a measuring route, and a device for implementing this procedure are submitted. Protection phases are provided, during which at least one measure for diminishing the accumulation of particles on the measuring route is adopted. The measure according to this invention prevents a decrease of the sensitivity of the particle sensor over a long period of time.

摘要翻译： 提供了具有测量阶段的收集粒子传感器的操作步骤，在该测量阶段期间，包含在排气流中的颗粒在测量路径上积聚，以及用于实现该过程的装置。 提供了保护阶段，其中采用了减少测量路径上的颗粒积累的至少一种措施。 根据本发明的措施可以防止颗粒传感器在长时间内的灵敏度降低。

公开(公告)号：US07963143B2

公开(公告)日：2011-06-21

申请号：US12120559

申请日：2008-05-14

申请人： Thomas Baumann ,  Enno Baars ,  Harald Koehnlein ,  Herbert Schumacher ,  Bernhard Kamp

发明人： Thomas Baumann ,  Enno Baars ,  Harald Koehnlein ,  Herbert Schumacher ,  Bernhard Kamp

IPC分类号： G01N3/62

CPC分类号： F02D41/1466 ,  F01N11/00 ,  F01N2560/05 ,  F02D41/029 ,  F02D41/1494 ,  F02D2041/1433 ,  F02D2200/0812 ,  Y02T10/47

摘要： A procedure for operating a particle sensor that is arranged downstream after a particle filter, at which an ash contamination can occur, and a device for implementing the procedure, are suggested. A remaining operating time determination determines the remaining operating time of the particle sensor related to an ash contamination. Alternatively or additionally the remaining operating time determination provides a correction signal, with which the sensitivity loss of the particle sensor caused by the ash contamination can be considered.

摘要翻译： 提出了在颗粒过滤器之后布置有灰尘污染的颗粒传感器的操作过程和用于实施该过程的装置。 剩余操作时间确定确定与灰分污染有关的颗粒传感器的剩余操作时间。 或者或另外，剩余操作时间确定提供校正信号，可以考虑由灰分污染引起的颗粒传感器的灵敏度损失。

公开(公告)号：US08650942B2

公开(公告)日：2014-02-18

申请号：US13188974

申请日：2011-07-22

申请人： Mathias Klenk ,  Bernhard Kamp

发明人： Mathias Klenk ,  Bernhard Kamp

IPC分类号： G01M15/10

CPC分类号： F02D41/222 ,  F02D41/1438 ,  F02D41/1494 ,  F02D41/1495 ,  Y02T10/40

摘要： A method is described for diagnosing an exhaust gas sensor which is situated in the exhaust gas area of an internal combustion engine for the purpose of detecting at least one exhaust gas component, which is heated with the aid of a sensor heater and whose temperature is detected. A device for carrying out the method is also described. The exhaust gas sensor is heated to a diagnosis starting temperature which is higher than the exhaust gas temperature; the heat output of the sensor heater is reduced or the sensor heater is completely turned off at least to the extent that the sensor temperature is able to decrease; the decreasing sensor temperature is detected; a measure for the temperature drop in relation to time is ascertained; this measure is compared with a first temperature gradient threshold value; and an error signal is provided if the temperature drop is too slow and therefore the ascertained measure for the temperature drop in relation to time does not exceed the first temperature gradient threshold value.

摘要翻译： 描述了一种用于诊断位于内燃机的废气区域中的废气传感器的方法，用于检测至少一个排气组分，该排气组分借助传感器加热器加热并检测其温度 。 还描述了用于执行该方法的装置。 排气传感器被加热到​​比排气温度高的诊断开始温度; 传感器加热器的热输出减少或传感器加热器至少完全关闭至传感器温度能够降低的程度; 检测到传感器温度降低; 确定相对于时间的温度下降的度量; 将该测量与第一温度梯度阈值进行比较; 并且如果温度降太慢并且因此确定的相对于时间的温度下降的测量值不超过第一温度梯度阈值，则提供误差信号。

公开(公告)号：US08640526B2

公开(公告)日：2014-02-04

申请号：US13171535

申请日：2011-06-29

申请人： Ariel Di Miro ,  Enno Baars ,  Johannes Grabis ,  Alexander Hetznecker ,  Mathias Klenk ,  Bernhard Kamp ,  Bastian Roetzler ,  Henrik Schittenhelm

发明人： Ariel Di Miro ,  Enno Baars ,  Johannes Grabis ,  Alexander Hetznecker ,  Mathias Klenk ,  Bernhard Kamp ,  Bastian Roetzler ,  Henrik Schittenhelm

IPC分类号： G01N37/00 ,  G01N31/00 ,  G01M15/00 ,  G01R27/08

CPC分类号： G01N15/0656 ,  F01N2560/05 ,  F01N2560/20 ,  F02D41/1466 ,  F02D41/1494 ,  F02D2041/2058 ,  G01N15/0606

摘要： A method for operating a particle sensor (10). The particle sensor (10) has at least two inter-digital electrodes (12, 13) which engage one in the other and to which a sensor voltage U(IDE) (21) is applied in order to determine loading of the particle sensor (10) with soot particles (16). A sensor current I(IDE) (31) across the electrodes (12, 13) is measured and evaluated. In order to remove the loading with soot, a heating element (14) heats the particle sensor (10) in a regeneration phase. The method characterized in that the sensor current I(IDE) (31) is determined, and a shunt diagnosis of the particle sensor (10) is carried out in accordance with the measured sensor current I(IDE) (31).

摘要翻译： 一种用于操作颗粒传感器（10）的方法。 颗粒传感器（10）具有至少两个彼此接合的数字间电极（12,13），并且传感器电压U（IDE）（21）被施加到该数字间电极以便确定颗粒传感器的负载 10）与烟灰颗粒（16）。 测量和评估横跨电极（12,13）的传感器电流I（IDE）（31）。 为了除去烟灰的负荷，加热元件（14）在再生阶段加热颗粒传感器（10）。 该方法的特征在于，确定传感器电流I（IDE）（31），并且根据测量的传感器电流I（IDE）（31）执行颗粒传感器（10）的分流诊断。