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公开(公告)号：US07100364B2
公开(公告)日：2006-09-05
申请号：US10633117
申请日：2003-08-01
IPC分类号： F01N3/00
CPC分类号： F01N9/005 , F02D41/0295 , F02D41/1402 , F02D41/1439 , F02D41/1446 , F02D41/1454 , F02D41/1475 , F02D41/1479 , F02D41/2454 , F02D2041/1433 , F02D2200/0814 , Y02T10/47
摘要： This invention relates to an apparatus for controlling the air-fuel ratio demanded by a fuel controller in order to maintain optimum performance of a catalytic converter. Provided is an open loop fuel controller comprising a detector arranged down stream of a catalyst for detecting rich breakthrough; a catalyst model having an estimator for estimating a stored oxygen level in the catalyst; a comparator for comparing an estimated stored oxygen level with a plurality of predetermined thresholds; demand adjusting means for adjusting an air fuel ratio demand in dependence upon a received signal from said comparator and upon a received signal from said detector. A method of open loop fuel control is also provided.
摘要翻译： 本发明涉及一种用于控制由燃料控制器要求的空燃比以便维持催化转化器的最佳性能的装置。 提供了一种开环燃料控制器，其包括设置在催化剂下游的检测器，用于检测丰富的突破; 催化剂模型，其具有用于估计催化剂中存储的氧气水平的估计器; 比较器，用于将估计存储的氧气水平与多个预定阈值进行比较; 需求调节装置，用于根据来自所述比较器的接收信号和来自所述检测器的接收信号来调整空燃比要求。 还提供了开环燃料控制的方法。
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公开(公告)号：US6035252A
公开(公告)日：2000-03-07
申请号：US163119
申请日：1998-09-29
申请人： Jon Dixon , Garon Nigel Heslop
发明人： Jon Dixon , Garon Nigel Heslop
CPC分类号： F02D41/1402 , F02D41/1497 , F02D2200/1004 , F02D2200/1006 , F16H59/14
摘要： The present invention relates to an apparatus (1) and a method for quantifying the net torque (28) produced by an internal combustion engine, for example, in a motor vehicle. Nominal gross engine torque (2) and expected torque losses (17,19,21) associated with the engine (102) are estimated. Estimated net torque (28) from the gross engine torque (2) and expected torque losses (17,19,21) are calculated. If it is determined that no power is drawn through the gearbox, a corrective torque loss value (21) corrects the estimated expected torque losses associated with the engine (102)
摘要翻译： 本发明涉及一种用于量化例如在机动车辆中的内燃机产生的净转矩（28）的装置（1）和方法。 估计与发动机（102）相关联的额定总发动机扭矩（2）和预期转矩损失（17,19,21）。 计算总发动机转矩（2）和预期转矩损失（17,19,21）的估计净转矩（28）。 如果确定没有通过齿轮箱抽取动力，则校正扭矩损失值（21）校正与发动机（102）相关联的估计的预期扭矩损失，
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公开(公告)号：US5961566A
公开(公告)日：1999-10-05
申请号：US160686
申请日：1998-09-25
申请人： Garon Nigel Heslop
发明人： Garon Nigel Heslop
CPC分类号： B60K31/047 , B60W2510/1005 , B60W2710/0644 , B60W2710/065 , F16H63/50
摘要： An apparatus and a method for controlling engine speed in a motor vehicle engine (9) by an engine management system (1) with an engine control output (8,46). The engine management system (1) provides the following operations. A driver demand controller (38) responsive to an accelerator pedal (12) provides a first control signal (40) representative of a target engine speed. A cruise speed controller (22) responsive to a cruise control setting and vehicle speed provides a cruise signal (28). An idle speed controller (30) provides an idle signal (32). A combined idle-cruise speed controller (36) provides a second control signal (42) representative of a target engine speed which is responsive to the greater of the cruise signal (28) and idle signal (32). The greater of the first (40) or second (42) signals is selected to control (8,46) engine speed. When there is no cruise control, the apparatus is defaulted to a condition in which the combined idle-cruise speed controller (36) is responsive only to the idle signal (32).
摘要翻译： 一种用于通过具有发动机控制输出（8,46）的发动机管理系统（1）来控制机动车辆发动机（9）中的发动机转速的装置和方法。 发动机管理系统（1）提供以下操作。 响应于加速器踏板（12）的驾驶员需求控制器（38）提供表示目标发动机转速的第一控制信号（40）。 响应于巡航控制设置和车速的巡航速度控制器（22）提供巡航信号（28）。 怠速控制器（30）提供空闲信号（32）。 组合的空速巡航速度控制器（36）提供表示响应于巡航信号（28）和空闲信号（32）中较大者的目标发动机转速的第二控制信号（42）。 选择第一（40）或第二（42）信号中较大的信号来控制（8,46）发动机转速。 当没有巡航控制时，该设备默认为组合的空转巡航速度控制器（36）仅响应于空闲信号（32）的条件。
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公开(公告)号：US06782695B2
公开(公告)日：2004-08-31
申请号：US10264642
申请日：2002-10-04
IPC分类号： F01N300
CPC分类号： F02D41/0295 , F01N11/007 , F01N2550/02 , F02D41/14 , F02D41/1454 , F02D2041/1433 , Y02T10/47
摘要： This invention relates to a method and apparatus for controlling the air-fuel ratio demanded by a fuel controller in order to maintain optimum performance of a catalytic converter. The invention provides a controller for requesting an air fuel ratio according to a switching value derived from an estimated oxygen storage value of a catalyst, in which the controller is arranged to perform the following steps a) request a maximum ratio of air to fuel when the switching value is less than a first threshold; b) gradually decrease the requested air to fuel ratio from said maximum ratio; c) request a minimum ratio of air to fuel when the switching value is greater than a second threshold; and d) gradually increase the requested air to fuel ratio from said minimum ratio.
摘要翻译： 本发明涉及一种用于控制燃料控制器所要求的空燃比以保持催化转化器的最佳性能的方法和装置。 本发明提供了一种控制器，用于根据从催化剂的估计氧气储存值得到的开关值来请求空燃比，其中控制器被配置为执行以下步骤：a）当切换时请求空气与燃料的最大比率 值小于第一阈值; b）从所述最大比率逐渐减小所请求的空气燃料比; c）当所述开关值大于第二阈值时请求空气与燃料的最小比率; andd）从所述最小比例逐渐增加所请求的空燃比。
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公开(公告)号：US06581565B2
公开(公告)日：2003-06-24
申请号：US10191641
申请日：2002-07-09
IPC分类号： F02D4114
CPC分类号： F02D41/3029 , F02D41/1497 , F02D41/3023 , F02D2041/1432 , F02D2200/1004 , F02D2250/21
摘要： This invention relates to an engine torque controller for spark ignition internal combustion engines and more specifically for direct injection engines. The invention provides a torque controller and a method of controlling torque for an engine in which torque is controlled in dependence upon a filtered difference signal where the filtered difference signal is the difference between a desired torque signal and a signal representing an estimate of the current torque.
摘要翻译： 本发明涉及一种用于火花点火内燃机的发动机转矩控制器，更具体地涉及直喷式发动机。 本发明提供了一种转矩控制器和一种控制发动机的转矩的方法，其中转矩根据经滤波的差分信号进行控制，其中滤波差分信号是期望转矩信号和表示当前转矩估计值的信号之间的差值 。
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