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1. 发明申请

US20020100454A1 Air-fuel ratio control system for internal combustion engine 失效
标题翻译：内燃机空燃比控制系统
公开(公告)号：US20020100454A1
公开(公告)日：2002-08-01
申请号：US10042212
申请日：2002-01-11
申请人： NISSAN MOTOR CO., LTD.
发明人： Hiroyuki Itoyama , Hiroshi Iwano , Kensuke Osamura , Kenji Oota
IPC分类号： F02D041/00
CPC分类号： F02D41/1497 , F02D21/08 , F02D35/0007 , F02D41/005 , F02D41/0072 , F02D2041/0017 , F02D2041/1418 , F02D2041/389 , F02D2200/0402 , F02D2200/0406 , F02D2200/0408 , F02D2200/1004 , F02D2200/703 , F02D2250/18 , F02M26/05 , F02M26/10 , Y02T10/47
摘要： An air-fuel ratio control system for an internal combustion engine is comprised of an engine condition detecting unit and a control unit. The control unit is arranged to calculate a target engine torque on the basis of an engine operating condition, to calculate a target EGR ratio, a target excess air ratio and a target intake air quantity on the basis of the engine operating condition and the target engine torque, to calculate a target equivalence ratio on the basis of the target EGR ratio and the target excess air ratio, to calculate a target injection quantity on the basis of the engine operating condition and the target equivalence ratio, and to control an air-fuel ratio by bringing a real intake air quantity to the target intake air quantity and by bringing a real fuel injection quantity to the target fuel injection quantity.
摘要翻译：用于内燃机的空燃比控制系统包括发动机状态检测单元和控制单元。控制单元被配置为基于发动机运转状况来计算目标发动机转矩，基于发动机运转状况和目标发动机来计算目标EGR率，目标过量空气比和目标吸入空气量扭矩，基于目标EGR率和目标过剩空气比来计算目标当量比，基于发动机工作条件和目标当量比来计算目标喷射量，并且控制空气燃料通过将实际进气量与目标进气量进行比较，并将实际燃料喷射量设定为目标燃料喷射量。

2. 发明申请

US20020143459A1 Method and system for controlling an engine with enhanced torque control 有权
标题翻译：用于控制具有增强的扭矩控制的发动机的方法和系统
公开(公告)号：US20020143459A1
公开(公告)日：2002-10-03
申请号：US10107490
申请日：2002-03-28
申请人： NISSAN MOTOR CO., LTD.
发明人： Kenji Oota , Hiroshi Iwano , Hiroyuki Itoyama , Takeshi Ishino , Kensuke Osamura
IPC分类号： G05D001/00
CPC分类号： F02D41/0002 , F02D35/0023 , F02D41/005 , F02D41/0072 , F02D41/1458 , F02D41/1497 , F02D41/263 , F02D2200/0402 , F02D2200/0614 , F02D2200/1004 , F02D2250/18 , Y02T10/42 , Y02T10/47
摘要： A method for controlling an engine comprises establishing a torque correction coefficient (KA) to compensate for reducing effect of available engine torque in operating range of different excess air ratios (null) that are lower than a predetermined value (unitynull1). An initial base desired in-cylinder air mass (tQacb) is determined based on a requested engine torque (tTe). A desired excess air ratio (tnull) is determined. The initial base desired in-cylinder air mass (tQacb) is adjusted with at least the desired excess air ratio (tnull) and the correction coefficient (KA) to generate a desired in-cylinder air mass (tQac). A desired injected fuel mass (tQf) is controlled based on the desired in-cylinder air mass (tQac) to deliver the requested engine torque (tTe) with the desired excess air ratio (tnull) held accomplished.
摘要翻译：一种用于控制发动机的方法，包括建立扭矩校正系数（KA），以补偿在低于预定值（unity = 1）的不同过量空气比（lambd）的操作范围内的可用发动机转矩的减小效果。基于要求的发动机扭矩（tTe）确定期望的缸内空气质量（tQacb）的初始底座。确定期望的过量空气比（tlambd）。用至少所需的过量空气比（tlambd）和校正系数（KA）来调节初始底座所需的缸内空气质量（tQacb）以产生所需的缸内空气质量（tQac）。基于期望的缸内空气质量（tQac）来控制期望的喷射燃料质量（tQf），以便以所保持的期望的过量空气比（tlambd）输送要求的发动机扭矩（tTe）。

3. 发明申请

US20040254695A1 Drive force control for hybrid electric vehicle 有权
标题翻译：混合动力汽车的驱动力控制
公开(公告)号：US20040254695A1
公开(公告)日：2004-12-16
申请号：US10825117
申请日：2004-04-16
申请人： NISSAN MOTOR CO., LTD.
发明人： Susumu Komiyama , Hiroshi Iwano , Hideaki Inoue , Ichiro Yamaguchi
IPC分类号： G06F017/00
CPC分类号： B60W20/40 , B60K1/02 , B60K6/365 , B60K6/445 , B60K6/46 , B60L2240/441 , B60W10/06 , B60W10/08 , B60W20/00 , B60W50/16 , B60W2510/0638 , B60W2510/244 , B60W2540/10 , Y02T10/6217 , Y02T10/6239 , Y02T10/6286 , Y10T477/23
摘要： A hybrid electric vehicle comprises a first motor (2) connected to an internal combustion engine (1), a second motor (3) generating vehicle drive force, and a power storage device (6). A controller (9) supplies power from the power storage device (6) to the second motor (3) in response to an accelerator pedal depression amount (B16, B42). The controller (9) calculates an available power supply to the first motor (2) by subtracting the power supply to the second motor (3) from the available power of the power storage device (6) (B28). When the target rotation speed of the engine (1) exceeds the actual rotation speed of the engine (1), power from the power storage device (6) is supplied to the first motor (2) in a range which does not exceed the available power supply (B23, B32), thereby accelerating engine rotation without decreasing power supply to the second motor (3).
摘要翻译：混合电动车辆包括连接到内燃机（1）的第一电动机（2），产生车辆驱动力的第二电动机（3）和蓄电装置（6）。控制器（9）响应于加速器踏板下压量（B16，B42），从蓄电装置（6）向第二电动机（3）供电。控制器（9）通过从蓄电装置（6）的可用电力（B28）减去对第二电动机（3）的电力来计算到第一电动机（2）的可用电力供应。当发动机（1）的目标转速超过发动机（1）的实际转速时，来自蓄电装置（6）的动力在不超过可用的范围的情况下供给到第一电动机（2）电源（B23，B32），从而加速发动机旋转，而不减少对第二电动机（3）的供电。

4. 发明申请

US20040251065A1 Drive control device for hybrid vehicle 有权
标题翻译：混合动力汽车用驱动控制装置
公开(公告)号：US20040251065A1
公开(公告)日：2004-12-16
申请号：US10828288
申请日：2004-04-21
申请人： NISSAN MOTOR CO., LTD.
发明人： Susumu Komiyama , Hideaki Inoue , Hiroshi Iwano , Ichiro Yamaguchi , Taketora Negome
IPC分类号： B60K001/00
CPC分类号： B60W20/13 , B60K6/365 , B60K6/442 , B60K6/445 , B60K6/543 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/26 , B60W20/00 , B60W2510/0614 , B60W2510/244 , Y02T10/52 , Y02T10/56 , Y02T10/6234 , Y02T10/6239 , Y02T10/6286
摘要： A target driving power is calculated in accordance with the operating condition, a fuel consumption rate per power unit is calculated at all the possible operating points of an engine (1) and a drive motor (5) to realize the target driving power, a target fuel consumption rate is set on the basis of the operating condition, and an operating point of the engine (1) and drive motor (5) at which a fuel consumption rate that is equal to the target fuel consumption rate can be realized is searched. When an operating point at which a fuel consumption rate that is equal to the target fuel consumption rate can be realized is not found, the fuel consumption rate relating to driving power is corrected with only the fuel consumption rate relating to electric power for charging a battery device set at a predetermined value which is smaller than the actual fuel consumption rate, an operating point at which the fuel consumption rate relating to driving power reaches a minimum is selected, and the engine (1) and drive motor (5) are controlled to achieve the selected operating point.
摘要翻译：根据运行条件计算目标驱动力，在发动机（1）和驱动马达（5）的所有可能的运行点计算每个动力单元的燃料消耗率，以实现目标驱动力，目标驱动力基于操作条件设定燃料消耗率，并且搜索能够实现与目标燃料消耗率相同的燃料消耗率的发动机（1）和驱动电动机（5）的操作点。在没有找到能够实现与目标燃料消耗率相同的燃料消耗率的运转点的情况下，仅利用与电池充电用的电力相关的燃料消耗率来校正与驱动力相关的燃料消耗率装置设定在小于实际燃料消耗率的预定值，选择与驱动力相关的燃料消耗率达到最小的工作点，并且将发动机（1）和驱动电动机（5）控制为达到选定的工作点。

5. 发明申请

US20040216707A1 Intake valve control system and method for internal combustion engine 有权
标题翻译：进气阀控制系统和内燃机方法
公开(公告)号：US20040216707A1
公开(公告)日：2004-11-04
申请号：US10763416
申请日：2004-01-26
申请人： NISSAN MOTOR CO., LTD.
发明人： Yutaro Minami , Hiroshi Iwano , Hiraku Ooba , Naonori Onoda
IPC分类号： F01L009/04 , F01L001/34
CPC分类号： F02D13/0207 , F01L1/022 , F01L1/024 , F01L1/34 , F01L13/0026 , F01L2013/0073 , F01L2800/00 , F02D13/0253 , F02D41/0002 , F02D2041/001 , Y02T10/18 , Y02T10/42
摘要： An intake valve control system for an internal combustion engine includes a first valve control mechanism for varying an actual operation angle of an intake valve, a second valve control mechanism for varying an actual maximum lift phase of the intake valve and a control unit that operates the first and second valve control mechanisms to adjust an intake air amount by controlling the operation angle predominantly in a low-intake range and controlling the maximum lift phase predominantly in a high-intake range. The control unit is configured to calculate a target operation angle and a target maximum lift phase according to engine operating conditions so that the actual operation angle and maximum lift phase are controlled to the target operation angle and maximum lift phase, respectively, and correct the target operation angle in a transient operating state where the actual maximum lift phase deviates from the target maximum lift phase.
摘要翻译：用于内燃机的进气门控制系统包括用于改变进气门的实际操作角度的第一阀控制机构，用于改变进气门的实际最大升程相位的第二阀控制机构和操作该进气门的控制单元第一和第二阀控制机构，通过主要在低进气范围内控制操作角度并且主要在高进气范围内控制最大提升相位来调节进气量。控制单元被配置为根据发动机工作条件计算目标操作角度和目标最大提升相位，使得实际操作角度和最大提升相位分别被控制到目标操作角度和最大提升阶段，并且校正目标在实际最大升力相位偏离目标最大升力相位的瞬态操作状态下的操作角度。

6. 发明申请

US20040112310A1 Intake-air control system for engine 有权
标题翻译：发动机进气控制系统
公开(公告)号：US20040112310A1
公开(公告)日：2004-06-17
申请号：US10715371
申请日：2003-11-19
申请人： NISSAN MOTOR CO., LTD.
发明人： Kensuke Osamura , Hiroshi Iwano , Kenji Oota
IPC分类号： F02B075/04
CPC分类号： F02B75/048 , F02D11/10 , F02D13/0253 , F02D15/02 , F02D41/0002 , F02D2041/001 , Y02T10/18 , Y02T10/42
摘要： An intake-air control system for an engine enabling an intake-air quantity and a compression ratio to be variably controlled, includes sensors detecting engine operating conditions and the compression ratio, and a control unit electronically connected to the sensors for feedback-controlling the intake-air quantity based on the compression ratio as well as the engine operating conditions, while feedback-controlling the compression ratio based on the engine operating conditions. The control unit executes phase-matching between an intake-air quantity change occurring based on intake-air quantity control and a compression ratio change occurring based on compression ratio control, considering a relatively slower response in the compression ratio change than a response in the intake-air quantity change.
摘要翻译：能够使进气量和压缩比可变地控制的用于发动机的进气控制系统包括检测发动机工作条件和压缩比的传感器，以及电连接到传感器的控制单元，用于反馈控制进气口基于压缩比和发动机工作条件的空气量，同时基于发动机工作条件反馈控制压缩比。考虑到在压缩比变化中的反应相对较慢，在进气压力比的变化中，控制单元执行基于进气量控制而发生的进气量变化和基于压缩比控制的压缩比变化之间的相位匹配 - 空气量变化。

7. 发明申请

US20020139361A1 Air-fuel ratio control apparatus and method for internal combustion engine 有权
标题翻译：用于内燃机的空燃比控制装置和方法
公开(公告)号：US20020139361A1
公开(公告)日：2002-10-03
申请号：US10093914
申请日：2002-03-11
申请人： NISSAN MOTOR CO., LTD.
发明人： Hiroyuki Itoyama , Hiroshi Iwano , Kensuke Osamura , Kenji Oota
IPC分类号： F02M025/07 , F02B047/08 , G06F007/00 , F02D041/04
CPC分类号： F02D41/0275 , F01N3/0842 , F02B29/0406 , F02D21/08 , F02D23/00 , F02D41/005 , F02D41/0052 , F02M26/05 , F02M26/10 , F02M26/47 , Y02T10/144 , Y02T10/47
摘要： In air-fuel ratio control apparatus and method for an internal combustion engine having an EGR valve interposed in an EGR passage between an intake manifold and an exhaust manifold, a target EGR quantity is calculated, a determination is made which of air-fuel ratio feedback controls through an EGR control and through an intake-air quantity is to be executed according to the target EGR quantity, and one of the air-fuel ratio feedback controls is selectively made according to a result of a determination of which of the air-fuel feedback controls is to be executed. During an execution of a rich spike control, the feedback control through the intake-air quantity control is unconditionally executed.
摘要翻译：在具有插入在进气歧管和排气歧管之间的EGR通路中的EGR阀的内燃机的空燃比控制装置和方法中，计算目标EGR量，确定空燃比反馈根据目标EGR量执行通过EGR控制和通过进气量的控制，并且根据确定哪个空气燃料的结果选择性地进行空燃比反馈控制之一反馈控制将被执行。在执行丰富的尖峰控制期间，无条件地执行通过进气量控制的反馈控制。

8. 发明申请

US20020124832A1 Excess air factor control device for internal combustion engine 有权
标题翻译：用于内燃机的过量空调系统控制装置
公开(公告)号：US20020124832A1
公开(公告)日：2002-09-12
申请号：US09989118
申请日：2001-11-21
申请人： NISSAN MOTOR CO., LTD.
发明人： Kenji Oota , Hiroyuki Itoyama , Hiroshi Iwano , Kensuke Osamura , Takeshi Ishino
IPC分类号： F02M051/00
CPC分类号： F02D43/00 , F01N3/0842 , F02B29/0406 , F02B37/24 , F02D21/08 , F02D41/0007 , F02D41/0072 , F02D41/0275 , F02D41/1454 , F02D41/146 , F02D41/1461 , F02D41/18 , F02D2041/0017 , F02D2041/1432 , F02D2200/0402 , F02D2250/21 , F02M26/05 , Y02T10/144 , Y02T10/47 , Y10T477/68
摘要： A basic target excess air factor tLAMBDA0 and a target fresh air intake amount tQac are set base upon the operation condition of an engine (30). A target excess air factor tLAMBDA is calculated by multiplying the ratio of a real fresh air intake amount rQac as detected by a sensor (16) and the target fresh air intake amount tQac by the basic target excess air factor tLAMBDA0. A fuel injector (9) is controlled so that the amount of fuel injected thereby converges to a target fuel injection amount tQf which corresponds to the target excess air factor tLAMBDA. It is possible to prevent variation of the output torque of the engine (30) accompanying a rich spike by this control, even if the basic target excess air factor tLAMBDA0 varies abruptly, since the fuel injection amount varies in correspondence to the variation of the real fresh air intake amount rQac.
摘要翻译：基于发动机（30）的运转状态设定基本目标多余空气因子tLAMBDA0和目标新鲜空气吸入量tQac。通过将由传感器（16）检测到的实际新鲜空气吸入量rQac与目标空气吸入量tQac的比乘以基本目标多余空气因子tLAMBDA0来计算目标多余空气因子tLAMBDA。控制燃料喷射器（9），使得喷射的燃料量因此收敛到对应于目标多余空气系数tLAMBDA的目标燃料喷射量tQf。即使基本目标过剩空气因子tLAMBDA0突然变化，也可以防止由该控制引起的伴随着丰富尖峰的发动机（30）的输出转矩的变化，因为燃料喷射量根据实际的变化而变化新鲜进气量rQac。

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