公开(公告)号：US06318314B1

公开(公告)日：2001-11-20

申请号：US09648954

申请日：2000-08-28

申请人： Erhard Otto ,  Gerd Rösel ,  Wolfgang Schulte ,  Hong Zhang

发明人： Erhard Otto ,  Gerd Rösel ,  Wolfgang Schulte ,  Hong Zhang

IPC分类号： F01L1344

CPC分类号： F01L1/34406 ,  F01L2001/34443 ,  F01L2201/00 ,  F01L2800/05

摘要： A device for setting movement behavior of gas-exchange valves of an internal combustion engine with a camshaft. The device has a control unit that generates a setting signal for a setting element of a setting device that adjusts the camshaft. A pilot control system is provided which additively corrects the setting signal including determining an estimated value for adjusting the camshaft without taking account of the delay time of the setting device.

摘要翻译： 一种用于设置具有凸轮轴的内燃机的气体交换阀的运动特性的装置。 该装置具有控制单元，其产生用于调节凸轮轴的设定装置的设定元件的设定信号。 提供了一种先导控制系统，其加法地校正设置信号，包括确定用于调整凸轮轴的估计值，而不考虑设定装置的延迟时间。

公开(公告)号：US20140345571A1

公开(公告)日：2014-11-27

申请号：US14360817

申请日：2012-11-28

申请人： Christian Hauser ,  Michael Koch ,  Robert Fromm ,  Gerd Rösel

发明人： Christian Hauser ,  Michael Koch ,  Robert Fromm ,  Gerd Rösel

IPC分类号： F02M65/00

CPC分类号： F02M65/005 ,  F02D41/20 ,  F02D2041/2055 ,  F02D2041/2058 ,  F02D2200/0602

摘要： A method for determining an opening behavior of a combustion engine fuel injector having a coil drive includes: applying to a coil of the coil drive an electrical test excitation that is weaker than an electrical standard excitation applied to the coil during normal operation of the engine, such that an opening position of the fuel injector is achieved at a point at which the coil drive is not in magnetic saturation; measuring the chronological progression of an electrical variable of the coil; determining a first point in time at which the fuel injector reaches its opening position under the influence of the electrical test excitation, based on the measured chronological progression of the electrical variable, and determining a second point in time at which the fuel injector would reach its opening position under the influence of the electrical standard excitation, based on the determined first point in time.

摘要翻译： 一种用于确定具有线圈驱动器的内燃机燃料喷射器的打开行为的方法包括：施加到线圈的线圈驱动比在发动机的正常操作期间施加到线圈的电标准激励弱的电测试激励， 使得在线圈驱动器不处于磁饱和的点处实现燃料喷射器的打开位置; 测量线圈的电变量的时间顺序; 基于所测量的电变量的时间顺序，确定燃料喷射器在电测试激励的影响下到达其打开位置的第一时间点，以及确定燃料喷射器将到达其的第二时间点 在电气标准激励的影响下，基于确定的第一时间点开启位置。

公开(公告)号：US08484946B2

公开(公告)日：2013-07-16

申请号：US13031334

申请日：2011-02-21

申请人： Tino Arlt ,  Gerd Rösel

发明人： Tino Arlt ,  Gerd Rösel

IPC分类号： F01N3/00

CPC分类号： F02D41/1454 ,  F01N3/0807 ,  F01N3/0828 ,  F01N11/00 ,  F01N11/007 ,  F01N13/009 ,  F01N2560/02 ,  F02D41/0295 ,  F02D2200/0814 ,  F02D2200/0816 ,  Y02T10/20 ,  Y02T10/47

摘要： An exhaust gas catalytic converter is laden with oxygen until it is saturated at least upstream of an exhaust gas probe. A predefined first rich air/fuel ration is set in a combustion chamber of a cylinder. A first oxygen storage capacity value is determined as a function of the measurement signal of an exhaust gas probe and the predefined first rich air/fuel ratio. The exhaust gas catalytic converter is laden with oxygen until it is saturated. A predefined second rich air/fuel ration is set in the combustion chamber of the cylinder. A second oxygen storage capacity value is determined as a function of the measurement signal of the exhaust gas probe and the predefined second rich air/fuel ration. A corrected oxygen storage capacity value is determined as a function of the first and second oxygen storage capacity values.

摘要翻译： 废气催化转化器充满氧气，直到其至少在排气探针的上游饱和。 在气缸的燃烧室中设置预定义的第一浓空气/燃料比。 根据排气探头的测量信号和预先确定的第一浓空气/燃料比确定第一储氧容量值。 废气催化转化器充满氧气直至饱和。 预定义的第二浓空气/燃料比设置在气缸的燃烧室中。 根据排气探针的测量信号和预定义的第二浓空气/燃料比来确定第二储氧容量值。 作为第一和第二储氧容量值的函数确定校正的储氧容量值。

公开(公告)号：US08434294B2

公开(公告)日：2013-05-07

申请号：US12946043

申请日：2010-11-15

申请人： Tino Arlt ,  Krzysztof Korbel ,  Gerd Rösel

发明人： Tino Arlt ,  Krzysztof Korbel ,  Gerd Rösel

IPC分类号： F01N3/00

CPC分类号： F01N11/007 ,  F01N2550/02 ,  F01N2560/026 ,  Y02T10/47

摘要： An exhaust catalyst is charged with oxygen until saturated. A given first rich air/fuel ratio (LAM1_SP) is set in a combustion chamber of a cylinder. A first oxygen storage capacity value (OSC1) is determined depending on the measured signals (MS1, MS2) from first and second exhaust probes. The exhaust catalyst is charged with oxygen until saturated. A given second rich air/fuel ratio is set in the combustion chamber of the cylinder. A second oxygen storage capacity value (OSC2) is determined depending on the measured signal from the first and second exhaust probe. A corrected oxygen storage capacity value (OSC_COR) is determined depending on the first and second oxygen storage capacity values (OSC1, OSC2).

摘要翻译： 排气催化剂充满氧气直至饱和。 给定的第一浓空气/燃料比（LAM1_SP）设置在气缸的燃烧室中。 取决于来自第一和第二排气探针的测量信号（MS1，MS2）确定第一储氧容量值（OSC1）。 排气催化剂充满氧气直至饱和。 给定的第二浓空气/燃料比设置在气缸的燃烧室中。 取决于来自第一和第二排气探针的测量信号确定第二储氧容量值（OSC2）。 根据第一和第二储氧容量值（OSC1，OSC2）确定校正的储氧容量值（OSC_COR）。

公开(公告)号：US08000853B2

公开(公告)日：2011-08-16

申请号：US12281381

申请日：2007-02-01

申请人： Carsten Bruns ,  Alexander Ketterer ,  Gerd Rösel ,  Michaela Schneider

发明人： Carsten Bruns ,  Alexander Ketterer ,  Gerd Rösel ,  Michaela Schneider

IPC分类号： G01M15/04

CPC分类号： F02D41/1495 ,  F01N11/007 ,  F01N2550/02 ,  F02D41/0295 ,  F02D41/1441 ,  F02D2200/0814 ,  F02D2200/0816 ,  Y02T10/47

摘要： During a first driving cycle, a combustion process is controlled in at least one combustion chamber for the purpose of performing a check on an emission reduction system of an internal combustion engine. During a second driving cycle following the first cycle, a check is performed to establish whether an error in the emission reduction system was detected during the first cycle. An idle time between the first and the second cycles is determined, in the event of an error of the emission reduction system detected during the first cycle. During the second cycle, the combustion process in the at least one combustion chamber is only controlled for the purpose of the check on the emission reduction system, in the event of an error detected in the emission reduction system during the first cycle and in the event of the idle time being longer than a pre-determined repair time.

摘要翻译： 在第一驱动循环期间，为了对内燃机的排放减少系统进行检查，在至少一个燃烧室中控制燃烧过程。 在第一循环之后的第二驱动循环期间，执行检查以确定在第一循环期间是否检测到排放减少系统中的误差。 在第一周期内检测到发射减少系统的误差的情况下，确定第一和第二周期之间的空闲时间。 在第二循环期间，在第一循环期间和在事件中在发射减少系统中检测到错误的情况下，仅控制至少一个燃烧室中的燃烧过程用于检查排放减少系统 的空闲时间比预定的维修时间长。

公开(公告)号：US07865294B2

公开(公告)日：2011-01-04

申请号：US11665517

申请日：2005-09-16

申请人： Bejoy Mathews ,  Gerd Rösel ,  Hong Zhang

发明人： Bejoy Mathews ,  Gerd Rösel ,  Hong Zhang

IPC分类号： G06F19/00 ,  F02D41/14 ,  G01M15/00

CPC分类号： F02D41/1402 ,  F02D41/1483 ,  F02D2041/1409

摘要： The invention relates to a method for regulating the lambda value of an internal combustion engine with a catalytic converter for subsequently treating the exhaust gases of the internal combustion engine, with a binary lambda probe, which is mounted upstream from the catalytic converter and which senses the composition of the exhaust gases. According to the invention, the lambda set value is superimposed with a lean/rich amplitude. This lean/rich amplitude has an integral component and a discontinuous component leading back to the lambda set value. When a change that differs from the change in the exhaust gas composition caused by the lean/rich amplitude is detected, the coefficient of the integral component is modified and/or a discontinuous component is added to the integral component or subtracted therefrom.

摘要翻译： 本发明涉及一种用催化转化器调节内燃机的λ值的方法，用于随后用二元λ探针处理内燃机的废气，二元λ探针安装在催化转化器的上游， 废气的组成。 根据本发明，λ设定值以稀薄/丰富的幅度叠加。 这个稀薄/丰富的振幅具有一个整体分量和一个不连续分量，导致λ设定值。 当检测到由稀薄/浓度振幅引起的排气组成变化不同的变化时，整体分量的系数被修正和/或不连续分量加到积分分量中或从其中减去。

公开(公告)号：US07849844B2

公开(公告)日：2010-12-14

申请号：US12296511

申请日：2008-02-04

申请人： Gerd Rösel

发明人： Gerd Rösel

IPC分类号： F02D41/02 ,  F02D41/00

CPC分类号： F02D41/1441 ,  B01D53/9409 ,  B01D53/9495 ,  F01N11/002 ,  F01N2560/023 ,  F02D41/1456 ,  F02D41/1465 ,  F02D41/1495 ,  F02D41/2454 ,  F02D2200/0816 ,  Y02T10/47

摘要： An internal combustion engine has an exhaust gas catalyst, a first exhaust gas sensor that is arranged for use in lambda control, and a second sensor that is arranged for trim control. The measuring signal of the second sensor is used to determine a NOx quality value depending on the HC quality value and the NOx correction factor. A lambda quality value is determined depending on an actual value and a basic set value of the air/fuel ratio. An error indicator is determined depending on the lambda quality value and the NOx quality value, the error indicator being representative of a mixture component error in a first range and being representative of an exhaust gas catalyst error in a second range. At least one control parameter of a trim control and/or the trim set value of the trim control is adapted depending on the NOx correction factor.

摘要翻译： 内燃机具有排气催化剂，被配置为用于λ控制的第一排气传感器和布置成用于调整控制的第二传感器。 第二传感器的测量信号用于根据HC质量值和NOx校正因子确定NOx质量值。 λ质量值根据实际值和空燃比的基本设定值来确定。 根据λ质量值和NOx质量值确定误差指示符，误差指示符表示第一范围内的混合分量误差，并且表示第二范围内的废气催化剂误差。 修整控制的修正控制和/或调整控制的修剪设定值的至少一个控制参数根据NOx校正因子而适应。

公开(公告)号：US20090223499A1

公开(公告)日：2009-09-10

申请号：US12296511

申请日：2008-02-04

申请人： Gerd Rösel

发明人： Gerd Rösel

IPC分类号： F02D41/00 ,  F01N3/00 ,  F01N11/00

CPC分类号： F02D41/1441 ,  B01D53/9409 ,  B01D53/9495 ,  F01N11/002 ,  F01N2560/023 ,  F02D41/1456 ,  F02D41/1465 ,  F02D41/1495 ,  F02D41/2454 ,  F02D2200/0816 ,  Y02T10/47

摘要： An internal combustion engine has an exhaust gas catalyst, a first exhaust gas sensor that is arranged for use in lambda control, and a second sensor that is arranged for trim control. The measuring signal of the second sensor is used to determine a NOx quality value depending on the HC quality value and the NOx correction factor. A lambda quality value is determined depending on an actual value and a basic set value of the air/fuel ratio. An error indicator is determined depending on the lambda quality value and the NOx quality value, the error indicator being representative of a mixture component error in a first range and being representative of an exhaust gas catalyst error in a second range. At least one control parameter of a trim control and/or the trim set value of the trim control is adapted depending on the NOx correction factor.

摘要翻译： 内燃机具有排气催化剂，被配置为用于λ控制的第一排气传感器和布置成用于调整控制的第二传感器。 第二传感器的测量信号用于根据HC质量值和NOx校正因子确定NOx质量值。 λ质量值根据实际值和空燃比的基本设定值来确定。 根据λ质量值和NOx质量值确定误差指示符，误差指示符表示第一范围内的混合分量误差，并且表示第二范围内的废气催化剂误差。 修整控制的修正控制和/或调整控制的修剪设定值的至少一个控制参数根据NOx校正因子而适应。

公开(公告)号：US07028464B2

公开(公告)日：2006-04-18

申请号：US10473970

申请日：2002-03-08

申请人： Gerd Rösel ,  Hong Zhang

发明人： Gerd Rösel ,  Hong Zhang

IPC分类号： F01N3/00

CPC分类号： F02D41/1454 ,  F02D41/1441 ,  F02D41/1455 ,  F02D41/1456 ,  F02D41/146 ,  F02D2041/1468

摘要： A method for purifying the exhaust gas from an internal combustion engine, which is operated under lambda-based closed loop control and which has an exhaust gas tract in which is located a catalytic converter, is provided. According to this method, a pre-converter lambda value for the exhaust gas is continuously sensed upstream of the catalytic converter, from which a pre-converter lambda signal is generated, and this pre-converter lambda signal is used as the reference variable for the lambda control loop. A post-converter lambda value for the exhaust gas is continuously sensed downstream from the converter, from which a post-converter lambda signal is generated, this being a monotonically decreasing function of the lambda value for the exhaust gas downstream from the catalytic converter. The post-converter lambda signal is used in a trimming control loop to apply a correction to the lambda control loop, whereby a measurement signal is generated which, at least below a certain value of lambda close to lambda=1, is a strictly monotonically increasing or monotonically decreasing function of the lambda value for the exhaust gas downstream from the catalytic converter. For levels of the post-converter lambda signal which are above a threshold value, this supplementary measurement signal is used for trimming control. For levels of the post-converter lambda signal which are below the threshold value, the post-converter lambda signal itself is used for trimming control.

摘要翻译： 本发明提供一种净化来自在λ型闭环控制下操作并且具有位于催化转化器的排气通道的内燃机的废气的方法。 根据该方法，在催化转化器的上游连续地感测到用于排气的预转换器λ值，从其产生预转换器λ信号，并且将该预转换器λ信号用作参考变量 lambda控制循环。 用于废气的后转换器λ值连续地从转换器的下游感测，从其中产生转换器后的λ信号，这是催化转化器下游的排气的λ值的单调递减函数。 后转换器λ信号用于修整控制环路以对λ控制环路进行校正，从而产生测量信号，其至少低于接近λ= 1的一定值λ是严格单调递增的 或单向递减催化转化器下游排气的λ值的函数。 对于高于阈值的后转换器λ信号的电平，该补充测量信号用于修整控制。 对于低于阈值的转换器后的λ信号的电平，转换后的λ信号本身用于修整控制。

公开(公告)号：US06439038B1

公开(公告)日：2002-08-27

申请号：US09127535

申请日：1998-07-31

申请人： Gerd Rösel ,  Hong Zhang

发明人： Gerd Rösel ,  Hong Zhang

IPC分类号： G01M1500

CPC分类号： F01N11/007 ,  F01N2900/0422 ,  F02D41/123 ,  F02D41/1454 ,  F02D41/1474 ,  F02D41/1495 ,  G01N27/407 ,  Y02T10/47

摘要： A method of monitoring the dynamic operability of a lambda sensor (monitor sensor), disposed in the exhaust gas stream of an internal combustion engine downstream of a catalytic converter. Once the engine operating state of overrun fuel cutoff is detected, the rich/lean switching time of the monitor sensor disposed downstream of the catalytic converter is ascertained and weighted as a function of the air flow rate (LMM) in the intake conduit. By comparing the mean value of the thus-obtained switching time with a limit value and ensuing evaluation, the operability of the monitor sensor is diagnosed. Operability is assured if the switching time is below the limit value. Other diagnostic criteria are formed by evaluating the signal level of the monitor sensor.

摘要翻译： 一种监测设置在催化转化器下游的内燃机的废气流中的λ传感器（监测传感器）的动态可操作性的方法。 一旦检测到超限燃料切断的发动机工作状态，则确定设置在催化转化器下游的监测传感器的浓/稀切换时间作为进气管道中的空气流量（LMM）的函数进行加权。 通过将如此获得的切换时间的平均值与极限值进行比较并进行评估，诊断监视传感器的可操作性。 如果切换时间低于极限值，则可确保操作性。 其他诊断标准是通过评估监测传感器的信号电平来形成的。