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1. 发明专利

JP2015048767A 内燃機関の制御装置审中-公开
标题翻译：内燃机控制装置
公开(公告)号：JP2015048767A
公开(公告)日：2015-03-16
申请号：JP2013180406
申请日：2013-08-30
申请人：本田技研工業株式会社 , Honda Motor Co Ltd
发明人： KOMATSU RYUKO , TSUTSUMI KOJIRO
IPC分类号： F02D41/04 , F01N3/02 , F01N3/20 , F01N3/24 , F02D43/00 , F02D45/00
CPC分类号： Y02T10/47
摘要：【課題】排気温度センサの検出値に基づいた内燃機関の制御を従来よりも精度良く実行できる内燃機関の制御装置を提供する。【解決手段】エンジン1の排気浄化システム10に設けられ、HCを酸化させる能力を有するLNC6と、LNC6の下流側の排気温度を検出する下流側排気温度センサ92と、を備えるエンジン1の制御装置9であって、下流側排気温度センサ92の検出値に基づいて排気温度センサの故障検知制御を実行し、排気浄化システム10において所定の再生条件が成立したことに応じて排気浄化システム10にHCを供給することで排気浄化システム10の排気浄化性能を再生させる再生制御を実行し、再生制御の実行開始時又は実行後からの経過時間を計測するとともに、計測された経過時間が所定時間C以下の場合には、エンジン1の制御の実行を禁止し、エンジン1の停止時には経過時間の計測を停止する。【選択図】図1
摘要翻译：要解决的问题：提供一种用于内燃机的控制装置，该控制装置可以根据来自排气温度传感器的检测值与常规情况相比更精确地控制内燃机。解决方案：用于发动机的控制装置9 1包括：布置在发动机1的废气排放控制系统10中并具有氧化HC的能力的LNC 6; 以及用于检测LNC 6下游排气温度的下游侧排气温度传感器92.根据来自下游侧排气温度传感器92的检测值，控制装置对排气温度传感器执行故障检测控制。响应于在废气排放控制系统10中满足预定的再生条件的情况，控制装置通过将HC提供给废气排放控制系统10来执行用于再生废气排放控制系统10的排气净化性能的再生控制。时间从再生控制的执行开始再生控制或经过时间的测量。当测量的经过时间等于或小于预定时间C时，禁止执行发动机1的控制，并且在发动机1的停止期间，停止经过时间的测量。

2. 发明专利

JP2003003869A Abnormality judging device for variable valve timing mechanism 审中-公开
标题翻译：用于变量阀定时机构的异常判断装置
公开(公告)号：JP2003003869A
公开(公告)日：2003-01-08
申请号：JP2001188573
申请日：2001-06-21
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： YOSHIKI KOICHI , MIYASHITA YUKIO , TSUTSUMI KOJIRO , ONO TETSUYA , OKI HIDEYUKI , ISOBE TAKASHI
IPC分类号： F01L1/46 , F01L1/34 , F01L13/00 , F02D13/02 , F02D41/22
CPC分类号： F02D13/0219 , F01L1/34 , F01L2001/3443 , F01L2800/00 , F01L2800/11 , F02D41/221 , F02D2041/001 , Y02T10/18 , Y02T10/40
摘要： PROBLEM TO BE SOLVED: To provide an abnormality judgment device for a variable valve timing mechanism capable of promptly and accurately carrying out an abnormal judgment while preventing misjudgment even in low oil temperature.
SOLUTION: An abnormality judgment device of a variable valve timing mechanism 1 is driven by oil pressure of hydraulic fluid, wherein the real cam phase CAIN is feedback controlled to be the target cam phase CAINCMD, while changing the closing/opening timing of an intake valve 4 and/or an exhaust valve 5 by changing a cam phase CAIN which is a phase of an inlet cam 6a and/or an exhaust cam 6b to a crank shaft 9 of an internal combustion engine 3. The abnormality judging device of the a variable valve timing mechanism 1 is provided with an abnormality judgment means 2 for judging abnormality when the cam phase deviation between the target cam phase CAINCMD and the actual cam phase CAIN falls outside the prescribed range #CAINCFSL/ H, an oil temperature parameter detecting means 35 for detecting the oil temperature TOIL of the hydraulic fluid, and a correction means 2 for correcting the prescribed range to an extended side when detected temperature TOIL is low.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种即使在低油温也能够防止错误判断的情况下，能够及时，准确地进行异常判断的可变气门正时机构的异常判定装置。解决方案：可变气门正时机构1的异常判断装置由液压油的油压驱动，其中实际凸轮相位CAIN被反馈控制为目标凸轮相位CAINCMD，同时改变进气门的关闭/打开正时 4和/或排气门5通过将作为入口凸轮6a和/或排气凸轮6b的相位的凸轮相位CAIN改变为内燃机3的曲轴9.异常判断装置气门正时机构1设置有异常判断装置2，用于当目标凸轮相位CAINCMD和实际凸轮相位CAIN之间的凸轮相位偏差超出规定范围＃CAINCFSL / H时判断异常;油温参数检测装置35，检测液压油的油温TOIL;以及校正装置2，用于当检测温度TOIL低时将规定范围校正到延长侧。

3. 发明专利

JP2005054630A Combustion abnormality determination device of internal combustion engine 审中-公开
标题翻译：内燃机的燃烧异常判定装置
公开(公告)号：JP2005054630A
公开(公告)日：2005-03-03
申请号：JP2003285122
申请日：2003-08-01
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： TAGAMI TAKESHI , AOKI TAKESHI , TSUTSUMI KOJIRO
IPC分类号： F02P5/15 , F02D45/00
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To accurately determine the abnormality of the combustion in an internal combustion engine even in an operating state affecting a change in the rotational speed of the engine such as the retard of an ignition timing.
SOLUTION: This combustion abnormality determination device of the internal combustion engine comprises a calculation means calculating a combustion abnormality determination value for determining the abnormality of the combustion in the internal combustion engine based on a detected angular velocity, and a combustion abnormality determination means determining whether the abnormality of combustion occurs or not in the internal combustion engine by comparing the calculated combustion abnormality determination value with a threshold determined based on the operating state of the internal combustion engine. The device also comprises an ignition timing control means controlling the ignition timing according to the operating state of the internal combustion engine, an average ignition timing value calculation means calculating the average of the ignition timing calculated by the ignition timing control means for a predetermined period, and a correction means correcting the threshold according to the average ignition timing when the calculated average ignition timing is retarded more than a specified value.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使在影响发动机的转速的变化的运行状态下，即使是点火正时的延迟，也能够精确地确定内燃机的燃烧异常。解决方案：内燃机的该燃烧异常判定装置具有：计算装置，根据检测出的角速度，算出用于确定内燃机的燃烧异常的燃烧异常判定值;以及燃烧异常判定装置通过将计算出的燃烧异常判定值与基于内燃机的运转状态确定的阈值进行比较来判断内燃机的燃烧异常是否发生。该装置还包括根据内燃机的运行状态控制点火正时的点火正时控制装置，平均点火正时值计算装置，计算由点火正时控制装置计算的点火正时的平均值一段预定时间段，以及校正装置，当计算出的平均点火正时延迟超过规定值时，根据平均点火正时校正阈值。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2003027999A Failure determination device for temperature sensor 审中-公开
标题翻译：温度传感器故障确定装置
公开(公告)号：JP2003027999A
公开(公告)日：2003-01-29
申请号：JP2001211348
申请日：2001-07-11
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： ISOBE TAKASHI , ONO TETSUYA , OKI HIDEYUKI , TSUTSUMI KOJIRO , MIYASHITA YUKIO , YOSHIKI KOICHI
IPC分类号： F02D45/00 , F02D41/22
CPC分类号： Y02T10/40
摘要： PROBLEM TO BE SOLVED: To provide a failure determination device for a temperature sensor that can determine failure in a temperature sensor properly and at the quickest possible timing according to an environment and an operating condition at and after a startup of an internal combustion engine.
SOLUTION: The failure determination device for a temperature sensor comprises a fuel consumption parameter computing means 2 for computing a fuel consumption parameter Tfuel indicative of a fuel consumption from a startup of the engine 3, a startup temperature storing means 2 for storing a temperature TW detected by the engine water temperature sensor 4 at the startup, and a failure determining means 2 for determining the failure in the engine water temperature sensor 4 if a deviation between a temperature TW detected by the engine water temperature sensor 4 and the temperature TWSTKINT stored in the startup temperature storing means 2 is not more than a prescribed criterion value #TWJUD (Step 9) when the fuel consumption parameter Tfuel computed by the fuel consumption parameter computing means 2 is not less than a prescribed value #TfuelJUD (Step 8).
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于温度传感器的故障确定装置，其可以根据内燃机启动时和之后的环境和操作条件，在正确地和最快可能的时刻确定温度传感器的故障。解决方案：用于温度传感器的故障确定装置包括燃料消耗参数计算装置2，用于计算表示发动机3起动时的燃料消耗的燃料消耗参数Tfuel，用于存储检测到的温度TW的启动温度存储装置2 以及启动时的发动机水温传感器4以及发动机水温传感器4检测到的温度TW与存储在发动机水温传感器4中的温度TWSTKINT之间的偏差的判定机构2的故障判定单元2 当由燃料消耗参数计算装置2计算的燃料消耗参数Tfuel不小于规定值#TfuelJUD时，启动温度存储装置2不大于规定标准值#TWJUD（步骤9）（步骤8）。

5. 发明专利

JP2010059956A Deterioration determining device for exhaust gas purifying apparatus 有权
标题翻译：用于排气净化装置的检测装置
公开(公告)号：JP2010059956A
公开(公告)日：2010-03-18
申请号：JP2009043423
申请日：2009-02-26
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： IIDA JUN , TSUTSUMI KOJIRO , MAKI HIDETAKA
IPC分类号： F01N3/20 , F01N3/08 , F01N3/28 , F02D41/14
CPC分类号： F01N3/0871 , F01N3/0842 , F01N13/0093 , F01N2560/026
摘要： PROBLEM TO BE SOLVED: To provide a deterioration determining device for exhaust gas purifying apparatus, determining accurately and promptly deterioration of an NOx purifying catalyst. SOLUTION: A deterioration determinig device 1 of an exhaust gas purifying apparatus 10 for determining deterioration of the NOx purifying catalyst 11 includes an ECU 2. The ECU 2 executes a high NOx concentration control when determinig deterioration (step 5), calculates NOx supply amount sumPreNOx based on an upstream side NOx concentration CNOx_Pre detected during the high NOx concentration control (step 32), calculates NOx slip amount sumPostNOx, based on a downstream side NOx concentration CNOx_Post detected during the high NOx concentration control (step 33), and determines that the NOx purifying catalyst 11 has deteriorated, when sumPostNOx>NOxJUD holds true, in the case where sumPreNOx>NOxREF holds true (steps 34, 50, 52). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种废气净化装置的劣化判定装置，确定NOx净化催化剂的准确且迅速劣化。解决方案：用于确定NOx净化催化剂11的劣化的废气净化装置10的劣化判定装置1包括ECU2。当判断劣化时，ECU2执行高NOx浓度控制（步骤5），计算NOx 基于在高NOx浓度控制期间检测到的上游侧NOx浓度CNOx_Pre的供给量sumPreNOx（步骤32），基于在高NOx浓度控制期间检测到的下游侧NOx浓度CNOx_Post，计算NOx吸入量sumPostNOx（步骤33），以及在sumPreNOx> NOxREF成立的情况下，当SumPostNOx> NOxJUD成立时，判定NOx净化催化剂11劣化（步骤34,50,52）。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2003020988A Failure judging device of temperature sensor 有权
标题翻译：温度传感器故障判断装置
公开(公告)号：JP2003020988A
公开(公告)日：2003-01-24
申请号：JP2001204527
申请日：2001-07-05
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： ISOBE TAKASHI , ONO TETSUYA , OKI HIDEYUKI , TSUTSUMI KOJIRO , MIYASHITA YUKIO , YOSHIKI KOICHI
IPC分类号： G01M15/04 , F01P11/16 , F02D41/04 , F02D41/06 , F02D41/22 , F02D45/00
CPC分类号： F02D41/222 , F01P11/16 , F02D35/025 , F02D41/042 , F02D2041/1433 , Y02T10/40
摘要： PROBLEM TO BE SOLVED: To provide a failure judging device of a temperature sensor capable of judging a failure of the temperature sensor speedily and properly regardless of the environment at the startup of an internal combustion engine.
SOLUTION: The judging device comprises a parameter operating means 2 for operating the parameter indicating the degree of progress of the operation form the start of the engine 3, a temperature storing means 2 for storing the temperature detected by an engine water temperature sensor 4 when the engine 3 is stopped, a stop time measuring means 2 for measuring the stop time from when the engine 3 is stopped to when the engine 3 is started, and a failure judging means 2. The failure judging means 2 judges that the engine water temperature sensor 4 is in failure if the deviation between the temperature detected by the engine water temperature sensor 4 at the start of the engine 3 at the present time and the temperature stored in the temperature storing means 2 when the parameter operated at the start of the engine 3 at the previous time is larger than a prescribed value (Steps 7-9) and the stop time till the start of the engine 3 at the present time is longer than a prescribed time (Step 26).
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种温度传感器的故障判定装置，其能够快速且适当地判断温度传感器的故障，而与内燃机启动时的环境无关。解决方案：判断装置包括用于操作表示发动机3起动时的操作进度的参数的参数操作装置2，用于存储由发动机水温传感器4检测到的温度的温度存储装置2 发动机3停止，用于测量从发动机3停止时到发动机3起动的停止时间的停止时间测量装置2和故障判定装置2.故障判断装置2判断发动机水温传感器如果发动机3的起动时的发动机水温传感器4检测到的温度与当前时间内的发动机3的起动时的温度与存储在温度存储单元2中的温度的偏差如图4所示，在前一时刻大于规定值（步骤7-9），直到目前发动机3的起动停止时间比规定时间长（步骤2 6）。

7. 发明专利

JP2013153638A Power generation controller of vehicle 有权
标题翻译：汽车发电控制器
公开(公告)号：JP2013153638A
公开(公告)日：2013-08-08
申请号：JP2012234363
申请日：2012-10-24
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： IIDA JUN , ASAKURA MASAHIKO , SUNADA SATORU , ENDO HIROSHI , TSUTSUMI KOJIRO , KOMATSU RYUKO , TOYOSHIMA NORIMASA
IPC分类号： H02P9/04 , F02D29/02 , F02D29/06 , F02D45/00
CPC分类号： H02J7/1492 , B60L11/1814 , B60L2240/427 , B60L2240/547 , B60L2240/549 , B60L2260/16 , H01H3/00 , H01H7/00 , H01H9/54 , H01H17/00 , H01H33/59 , H01H35/00 , H01H83/18 , H01H85/46 , H02H3/02 , H02H3/42 , H02H5/04 , H02J7/0073 , H02J7/1461 , Y02T10/642 , Y02T10/7005 , Y02T10/7072 , Y02T10/92 , Y02T90/127 , Y02T90/14 , Y10T307/832 , Y10T307/858 , Y10T307/944 , Y10T307/951
摘要： PROBLEM TO BE SOLVED: To provide a power generation controller of a vehicle which can maximize power generation while preventing overheat of electrical components incident to power generation by a generator.SOLUTION: A power generation controller 1 of a vehicle switches the power generation mode of a generator 4 selectively between a first power generation mode where an instruction voltage VACG is larger than the allowable voltage VMAX of a wire harness 8, and a second power generation mode where an instruction voltage VACG is smaller than the allowable voltage VMAX. Furthermore, a counter value GCNT is counted up in the first power generation mode, and counted down in the second power generation mode. When the counter value GCNT reaches an upper limit NLMTH, the first power generation mode is prohibited, and the power generation mode is determined to be the second power generation mode. When the percentage of an execution period of the first power generation mode increases significantly and the risk of overheating the wire harness 8 is high, the instruction voltage VACG is lowered.
摘要翻译：要解决的问题：提供一种车辆的发电控制器，其能够最大限度地发电，同时防止发电机发电发生的电气元件过热。解决方案：车辆的发电控制器1切换发电模式发电机4选择性地在指令电压VACG大于线束8的容许电压VMAX的第一发电模式和指令电压VACG小于容许电压VMAX的第二发电模式之间。此外，计数器值GCNT在第一发电模式下向上计数，并且在第二发电模式中向下计数。当计数器值GCNT达到上限值NLMTH时，禁止第一发电模式，并将发电模式确定为第二发电模式。当第一发电模式的执行周期的百分比显着增加并且线束8的过热风险高时，指令电压VACG降低。

8. 发明专利

JP2009275643A Failure determination device for air weight flow rate detector 审中-公开
标题翻译：空气重量流量检测器故障确定装置
公开(公告)号：JP2009275643A
公开(公告)日：2009-11-26
申请号：JP2008129034
申请日：2008-05-16
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： YAMAGUCHI SUMIE , GOSHO EISAKU , TSUTSUMI KOJIRO , SATO DAISUKE
IPC分类号： F02D45/00
CPC分类号： F02D41/222 , F02D41/18 , F02D2200/0402
摘要： PROBLEM TO BE SOLVED: To provide a failure determination device for an air weight flow rate detector capable of maintaining the calculation accuracy of an estimated air weight flow rate value compared with a detected value of the air weight flow rate detector, and thereby improving the failure determination accuracy. SOLUTION: The failure determination device 1 for an air weight flow rate detector 22 calculates the estimated air weight flow rate value GAIREST according to a relationship of the pressure in an intake passage 5 between an upstream side and a downstream side of an air weight flow rate adjustment mechanism 7, and determines failure in the air weight flow rate detector in accordance with a comparison result of the estimated air weight flow rate value GAIREST calculated in such a way and the detection value GAIR for the air weight flow rate detected by the air weight flow rate detector. Further, the failure determination device 1 detects an open degree parameter representing the open degree of the air-intake passage 5, while prohibiting failure determination for the air weight flow rate detector by the use of a failure determination means when the open degree of the air-intake passage 5 that is represented by the detected open degree parameter exceeds a given value. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种空气重量流量检测器的故障判定装置，其能够与空气重量流量检测器的检测值相比保持估计空气重量流量值的计算精度，从而提高故障判定精度。解决方案：空气重量流量检测器22的故障确定装置1根据空气的上游侧和下游侧的进气通道5中的压力的关系来计算估计的空气重量流量值GAIREST 重量流量调节机构7，根据以这样的方式计算出的估计空气重量流量值GAIREST和由该检测出的空气重量流量的检测值GAIR的比较结果，确定空气重量流量检测器的故障，空气重量流量检测器。此外，故障判定装置1通过利用空气流量检测装置的开放程度来防止空气重量流量检测器的故障判定，来检测表示进气通路5的开度的开度参数由检测到的开放度参数表示的进给通道5超过给定值。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2003322053A Misfire sensing device of multi-cylinder internal combustion engine for vehicle 有权
标题翻译：多缸内燃机用于车辆的MISFIRE感应装置
公开(公告)号：JP2003322053A
公开(公告)日：2003-11-14
申请号：JP2002179712
申请日：2002-06-20
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： MIYAUCHI ATSUHIRO , TSUTSUMI KOJIRO
IPC分类号： F02D45/00 , G01M15/11
CPC分类号： F02D41/1498 , F02D41/22 , F02D2041/1432 , F02D2041/288 , F02D2200/1015 , F02D2200/501 , F02D2200/702 , G01M15/11
摘要： PROBLEM TO BE SOLVED: To provide a misfire sensing device for a multi-cylinder internal combustion engine for a vehicle capable of avoiding misjudging a misfire certainly by sensing accurately the specific operating condition which may influence the misfire judgement, for example running on a poorly conditioned road. SOLUTION: The misfire sensing device of the multi-cylinder internal combustion engine for the vehicle is structured so that the first changing value of the rotating speed of each wheel using a first filter on the basis of the output signal from a wheel speed sensor while the second changing value is calculated using a second filter, and they are multiplied together to calculate the parameter (poorly conditioned road judging parameter) DISTNC to show the degree of change of the wheel rotating speed, followed by comparison with the threshold DISTNCJD, and the number of times having attained the threshold or exceeded is counted by a counter NDIST, and when the count has attained the specified value or exceeded, judgement is passed that it is the specific operating condition, for example running on the poorly conditioned road, and the misfire judgement is prohibited. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供一种用于车辆的多缸内燃机的失火感测装置，其能够通过精确地感测可能影响失火判断的特定操作条件来确保错误地判断失火，例如运行一条条件差的道路。解决方案：用于车辆的多缸内燃机的失火感测装置被构造成使得基于来自车轮速度的输出信号使用第一过滤器的每个车轮的转速的第一变化值传感器，而使用第二过滤器计算第二变化值，并将它们相乘以计算参数（路径判断参数差）DISTNC以示出车轮转速的变化程度，然后与阈值DISTNCJD进行比较，并且通过计数器NDIST计数达到阈值或超过的次数，并且当计数达到规定值或超过时，通过判定为特定的操作条件，例如在劣化路面上行驶，并且禁止判断是错误的。版权所有（C）2004，JPO

10. 发明专利

JP2002371890A Air-fuel ratio control device for internal combustion engine 有权
标题翻译：用于内燃机的空燃比比控制装置
公开(公告)号：JP2002371890A
公开(公告)日：2002-12-26
申请号：JP2001181225
申请日：2001-06-15
申请人： Honda Motor Co Ltd , 本田技研工業株式会社
发明人： OKI HIDEYUKI , YOSHIKI KOICHI , ISOBE TAKASHI , ONO TETSUYA , TSUTSUMI KOJIRO , MIYASHITA YUKIO
IPC分类号： F02D45/00 , F02D41/14
摘要： PROBLEM TO BE SOLVED: To provide an air-fuel ratio control device for an internal combustion engine capable of simultaneously keeping the drivability by preventing the air-fuel ratio shock, and improving the exhausting air characteristic.
SOLUTION: This air-fuel ratio control device is provided with an air-fuel ratio feedback control coefficient calculating means for calculating a correction coefficient of the air-fuel ratio feedback control on the basis of the output of an air-fuel ratio sensor mounted on an exhausting system of the internal combustion engine, and an air-fuel ratio feedback control means for feedback controlling the air-fuel ratio of a air-fuel mixture fed to the internal combustion engine on the basis of the correction coefficient. This device further comprises a feedback gain adjusting means for adjusting the feedback gain of the correction coefficient when the correction coefficient reaches a predetermined upper limit threshold value or a lower limit threshold value, and both of the prevention of the air-fuel ratio shock and the improvement of the exhausting characteristic can be simultaneously achieved by changing the feedback gain to a smaller value when the correction coefficient is over the upper and lower threshold values.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于内燃机的空燃比控制装置，其能够通过防止空燃比冲击同时保持驾驶性能，并且提高排气空气特性。解决方案：该空燃比控制装置设置有空燃比反馈控制系数计算装置，用于基于安装在空燃比反馈控制装置上的空燃比传感器的输出来计算空燃比反馈控制的校正系数内燃机的排气系统和空燃比反馈控制装置，用于基于校正系数反馈控制供给内燃机的空燃混合气的空燃比。该装置还包括反馈增益调节装置，用于当校正系数达到预定的上限阈值或下限阈值时调整校正系数的反馈增益，并且防止空燃比冲击和当校正系数超过上限和下限阈值时，可以通过将反馈增益改变为更小的值来同时实现排气特性的改善。

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