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1. 发明专利

JP2007009854A Control device for engine 有权
标题翻译：发动机控制装置
公开(公告)号：JP2007009854A
公开(公告)日：2007-01-18
申请号：JP2005194179
申请日：2005-07-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , KATOGI KOZO , OSUGA MINORU
IPC分类号： F02D41/04 , F02D45/00
CPC分类号： F02D41/047 , F02D41/064 , F02D41/22 , F02D2041/288 , F02D2200/0414 , F02D2200/0612 , F02D2200/0614
摘要： PROBLEM TO BE SOLVED: To propose a method of calculating a parameter such as optimal fuel injection amount at start of an engine by separating and detecting remaining fuel and fuel properties inside an intake passage and the engine etc. before start of the engine, and of achieving both exhaust performance and operation performance at start of the engine.
SOLUTION: This control device for the engine is provided with a means for detecting or estimating combustion fuel amount of the engine; and with a means for separating and detecting combustion amount of fuel supplied from a fuel injection valve and that of fuel other than the fuel supplied from the fuel injection valve, out of the detected or estimated combustion fuel amount.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提出一种通过在发动机起动之前分离和检测进气通道和发动机内部的剩余燃料和燃料特性来计算诸如发动机起动之间的最佳燃料喷射量的参数的方法并且在发动机起动时实现排气性能和操作性能。解决方案：该发动机的控制装置设置有用于检测或估计发动机燃烧燃料量的装置; 并且具有用于分离和检测从燃料喷射阀供给的燃料的燃烧量和除了从燃料喷射阀供给的燃料之外的燃料的燃料量的装置，以检测或估计燃烧燃料量。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006104985A Engine control device 有权
标题翻译：发动机控制装置
公开(公告)号：JP2006104985A
公开(公告)日：2006-04-20
申请号：JP2004290523
申请日：2004-10-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , KATOGI KOZO , OSUGA MINORU
IPC分类号： F02D45/00 , F01N3/20 , F01N3/24 , F01N3/28 , F02D41/04 , G01N27/409 , G01N27/416
摘要： PROBLEM TO BE SOLVED: To provide an engine control device capable of coping with a machine difference (an individual difference) of an engine and a performance difference by a change with the lapse of time, and capable of effectively restraining an exhaust quantity of greenhouse effect gas, by directly or indirectly detecting the exhaust quantity of the greenhouse effect gas exhausted from the engine on-line. SOLUTION: This engine control device has a greenhouse effect gas exhaust quantity detecting means 300 for directly or indirectly detecting the exhaust quantity of the greenhouse effect gas such as carbon dioxide exhausted from the engine 10. The greenhouse effect gas exhaust quantity detecting means 300 has a carbon dioxide concentration detecting means for directly or indirectly detecting the concentration of the carbon dioxide exhausted from the downstream side of a combustion chamber 17 and/or a catalyst 50, and an exhaust gas flow rate detecting means for directly or indirectly detecting an exhaust gas flow rate exhausted from the downstream side of the combustion chamber 17 and/or the catalyst 50. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过随时间推移的变化来应对发动机的机器差异（差异）和性能差异的发动机控制装置，并且能够有效地抑制排气量的温室效应气体，通过直接或间接地检测从发动机在线排出的温室效应气体的排气量。解决方案：该发动机控制装置具有温室效应气体排出量检测装置300，用于直接或间接地检测温室效应气体的排放量，例如从发动机10排出的二氧化碳。温室效应气体排出量检测装置 300具有用于直接或间接地检测从燃烧室17和/或催化剂50的下游侧排出的二氧化碳的浓度的二氧化碳浓度检测装置，以及用于直接或间接检测燃烧室17的排出气体流量检测装置从燃烧室17和/或催化剂50的下游侧排出的废气流量。（C）2006年，JPO＆NCIPI

3. 发明专利

JP2006002635A Diagnostic equipment of engine 有权
标题翻译：发动机诊断设备
公开(公告)号：JP2006002635A
公开(公告)日：2006-01-05
申请号：JP2004178763
申请日：2004-06-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , IIBOSHI YOICHI , KURASHIMA YOSHIKUNI , HORI TOSHIO
IPC分类号： F01N3/20 , B01D53/94 , F02D45/00
摘要： PROBLEM TO BE SOLVED: To provide diagnostic equipment of an engine capable of diagnosing a catalyst etc. with high precision while securing a predetermined exhaust gas performance and fuel performance. SOLUTION: The equipment is provided with an input signal generating means (110) for detecting the characteristic of a three-way conversion catalyst as a diagnostic object, a characteristic detecting means (140) to detect the characteristic of the diagnostic object, and a parameter adjusting means (120) to adjust the parameter of the input signal generating means (110) based on the characteristic of the diagnostic object detected by the characteristic detecting means (140), the operating condition of the engine (10) and the environmental condition. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供能够在确保预定的排气性能和燃料性能的同时高精度地诊断催化剂等的发动机的诊断装置。解决方案：设备具有用于检测作为诊断对象的三路转换催化剂的特性的输入信号发生装置（110），检测诊断对象的特性的特征检测装置（140）以及参数调整装置，用于根据由特征检测装置检测的诊断对象的特性，发动机（10）的运行状态和所述特征检测装置（140）的运行状况来调整输入信号生成装置（110）的参数，环境条件。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2005194891A Engine controller 有权
标题翻译：发动机控制器
公开(公告)号：JP2005194891A
公开(公告)日：2005-07-21
申请号：JP2003435413
申请日：2003-12-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , IIBOSHI YOICHI , KURASHIMA YOSHIKUNI , HORI TOSHIO
IPC分类号： F02D9/02 , F02D41/00 , F02D41/14 , F02D41/22 , F02D41/34 , F02D45/00
CPC分类号： F02D41/1495 , F02D41/008 , F02D41/1454 , F02D41/1456 , F02D2041/1409 , F02D2041/1422 , F02D2041/288
摘要： PROBLEM TO BE SOLVED: To provide a controller capable of accurately diagnosing the deterioration mode (gain deterioration, responsiveness deterioration) of an air-fuel ratio sensor and the degree of the deterioration and based on the results of the diagnosis, optimizing an air-fuel ratio feedback control. SOLUTION: This engine controller comprises a means 140 for calculating frequency responsiveness characteristics starting at an air-fuel ratio adjusting means 30 to an air-fuel ratio sensor 52, and based on the gain characteristics and phase characteristics of the frequency responsiveness characteristics, diagnoses the air-fuel ratio sensor 52. Based on the results of the diagnosis, the controller optimizes the parameters (gain for amount of P, gain for amount of I) of an air-fuel ratio feedback control (PI control). COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供能够准确地诊断空燃比传感器的劣化模式（增益恶化，响应性劣化）和劣化程度的控制器，并且基于诊断结果，优化空燃比反馈控制。解决方案：该发动机控制器包括用于计算从空燃比调节装置30开始到空燃比传感器52的频率响应特性的装置140，并且基于频率响应特性的增益特性和相位特性对空燃比传感器52进行诊断。基于诊断结果，控制器优化空燃比反馈控制（PI控制）的参数（P的量的增益，I量的增益）。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2004324538A Engine control device 有权
公开(公告)号：JP2004324538A
公开(公告)日：2004-11-18
申请号：JP2003120860
申请日：2003-04-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , OSUGA MINORU , NEMOTO MAMORU , SHIMADA KOSAKU , HORI TOSHIO
IPC分类号： F02D45/00 , F01N3/08 , F01N3/20 , F01N3/24 , F01N3/28 , F02D41/02 , F02D41/04 , F02D41/14
CPC分类号： F02D41/1465 , F02D41/0275 , F02D41/0295 , F02D41/1441 , F02D41/1446 , F02D41/146 , F02D41/1461 , F02D41/187 , F02D2041/1433 , F02D2200/0806 , F02D2200/602
摘要： PROBLEM TO BE SOLVED: To provide a lean burn engine having a NOx trap catalyst for trapping NOx by adsorption or occlusion into an exhaust conduit for optimizing a rich spike start timing and rich spike amount. SOLUTION: This engine control device comprises a NOx sensor for detecting NOx components in exhaust gas at the downstream of the NOx trap catalyst, a model of the NOx trap catalyst, and a device for controlling the operation state of the engine based on the output of the NOx trap catalyst model and the NOx sensor. COPYRIGHT: (C)2005,JPO&NCIPI

6. 发明专利

JP2009150371A Control apparatus for engine 有权
标题翻译：发动机控制装置
公开(公告)号：JP2009150371A
公开(公告)日：2009-07-09
申请号：JP2007331313
申请日：2007-12-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , KANETOSHI KAZUHIKO , KATOGI KOZO , ICHIHARA TAKANOBU , OSUGA MINORU
IPC分类号： F02P5/15 , F02D45/00
CPC分类号： F02P5/1506 , F02P5/1508 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To reduce exhaust emission in an extremely early stage in engine startup from a first combustion to idle operation start in order to comply latest exhaust emission regulations and future exhaust emission regulations as catalyst performance and accuracy of catalyst control are improved and the amount of exhaust emission in engine startup is dominant as to the exhaust emissions from an engine.
SOLUTION: The control apparatus for the engine includes a means for retarding an ignition timing from an MBT (minimum advance for the best torque) by a predetermined value or more during cranking at engine start or during a period from the first combustion up to an idling engine speed.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在发动机启动的极早期从第一次燃烧到怠速运行开始，减少废气排放，以符合最新的废气排放法规和未来废气排放规定作为催化剂性能和催化剂控制的准确性发动机启动中废气排放量的改善和发动机废气排放量占主导地位。解决方案：发动机的控制装置包括一个装置，用于在发动机起动期间或在从第一次燃烧期间起动期间，将来自MBT的点火正时（最佳转矩的最小提前）延迟预定值或更多怠速发动机转速。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008180225A Engine control device 审中-公开
标题翻译：发动机控制装置
公开(公告)号：JP2008180225A
公开(公告)日：2008-08-07
申请号：JP2008058915
申请日：2008-03-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , IIBOSHI YOICHI , KURASHIMA YOSHIKUNI , HORI TOSHIO
IPC分类号： F02D45/00 , F02D9/02 , F02D11/10 , F02D41/04 , F02D41/14 , F02D41/22
CPC分类号： Y02T10/40
摘要： PROBLEM TO BE SOLVED: To provide a control device enabling to diagnose the deterioration mode (gain deterioration and responsiveness deterioration) of an air-fuel ratio sensor and a degree of its deterioration with high accuracy and optimize air-fuel ratio feedback control in accordance with the diagnosis result.
SOLUTION: The control device comprises a means 140 for computing frequency responsive property in a range from an air-fuel ratio control means 30 to the air-fuel ratio sensor 52. It diagnoses the air-fuel ratio sensor 52 in accordance with the gain property and the phase property of the frequency responsive property. It optimizes the parameter (a P-component gain and a I-component gain) of the air-fuel ratio feedback control (PI control) in accordance with the diagnosis result.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以高精度诊断空燃比传感器的劣化模式（增益劣化和响应性劣化）以及劣化程度的控制装置，并优化空燃比反馈控制按照诊断结果。解决方案：控制装置包括用于在从空燃比控制装置30到空燃比传感器52的范围内计算频率响应特性的装置140.它根据空燃比传感器52诊断空燃比传感器52 频率响应特性的增益特性和相位特性。它根据诊断结果优化空燃比反馈控制（PI控制）的参数（P分量增益和I分量增益）。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2005240647A Engine control device 有权
标题翻译：发动机控制装置
公开(公告)号：JP2005240647A
公开(公告)日：2005-09-08
申请号：JP2004050386
申请日：2004-02-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUMIYA HIROSHI , NAKAGAWA SHINJI , SATO SHINYA , NEMOTO MAMORU
IPC分类号： F02D9/02 , F02D41/14 , F02D41/22
CPC分类号： Y02T10/40
摘要： PROBLEM TO BE SOLVED: To improve the responsiveness of the amount of air to be sucked into a combustion chamber and the robustness of a whole system by compensating for a dead time in a change in the amount of air to be sucked into the combustion chamber. SOLUTION: This engine control device comprises a means 103 for compensating for the dead time in the responsive property of the amount of air to be sucked into the combustion chamber 221 through a throttle 106 and a means 105 for computing a target throttle opening from a target amount of air, the means 103 being arranged parallel to the means 105 (parallelized). Thus, feedback correction allows compensation for the dead time. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提高吸入到燃烧室中的空气的量的响应性和整个系统的鲁棒性，通过补偿待吸入空气的量的变化中的死区时间燃烧室。解决方案：该发动机控制装置包括用于通过节流阀106补偿待吸入燃烧室221的空气量的响应特性中的死区时间的装置103和用于计算目标节气门开度的装置105 从目标量的空气中，装置103平行于装置105布置（并联）。因此，反馈校正可以补偿死区时间。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2010031813A Engine control device 有权
标题翻译：发动机控制装置
公开(公告)号：JP2010031813A
公开(公告)日：2010-02-12
申请号：JP2008197172
申请日：2008-07-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAGAWA SHINJI , KANETOSHI KAZUHIKO , KATOGI KOZO , ICHIHARA TAKANOBU , OSUGA MINORU
IPC分类号： F02D43/00 , F02D41/06 , F02D45/00 , F02P5/15
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To propose an engine control device capable of obtaining an HC minimum performance at the operation condition (environmental condition) in each engine because it is necessary to optimize both an air fuel ratio and an ignition timing so as to minimize an HC discharged from the engine at its start (prior to catalyst activation). SOLUTION: The engine control device includes a means that extracts a first frequency band element, and a means that extracts a second frequency band element, each from a time series signal representing combustion state of engines, such as an engine rotation angle acceleration. In the engine control device, an air fuel ratio and an ignition timing are controlled simultaneously to a condition that an HC is minimized, by controlling the air fuel ratio based on the first frequency (band) element and controlling the ignition timing based on the second frequency (band) element. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提出一种能够在每个发动机的操作条件（环境条件）下获得HC最小性能的发动机控制装置，因为需要优化空燃比和点火正时，以便在发动机启动时（催化剂启动之前）最小化从发动机排出的HC。解决方案：发动机控制装置包括提取第一频带元件的装置，以及从表示发动机的燃烧状态的时间序列信号中提取第二频带元素的装置，例如发动机旋转角加速度。在发动机控制装置中，通过基于第一频率（带）元件控制空燃比并基于第二频率（带）元件控制点火正时，同时控制空燃比和点火正时，以使HC达到最小的条件频带（band）元素。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009138752A Control device of engine 审中-公开
标题翻译：发动机控制装置
公开(公告)号：JP2009138752A
公开(公告)日：2009-06-25
申请号：JP2008324878
申请日：2008-12-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUMIYA HIROSHI , NAKAGAWA SHINJI , YAMAOKA SHIRO , SHIMADA ATSUSHI
IPC分类号： F02D41/04 , F01N3/08 , F01N3/10 , F01N3/24 , F01N3/28 , F02D9/02 , F02D13/02 , F02D43/00 , F02D45/00 , F02P5/15
摘要： PROBLEM TO BE SOLVED: To provide a control device for preventing the deterioration in exhaust emission and the deterioration in operability, when switching a combustion area regulated by the air-fuel ratio of an air-fuel mixture supplied for combustion.
SOLUTION: First, second, and third combustion areas regulated by the air-fuel ratio of the air-fuel mixture are set. When switching the first combustion area and the third combustion area, that is, when passing through the second combustion area, an NOx emission quantity downstream of an exhaust emission control device is estimated on-line, and when passing through the second combustion area, a torque variation is estimated on-line. The suction air volume sucked in a combustion chamber is adjusted in a mode different from ordinary time. for example, by changing a lift quantity of an intake valve, for setting the NOx emission quantity downstream of the exhaust emission control device to a predetermined value or less when passing through the second combustion area, and for setting the torque variation to a predetermined value or less when passing trough the second combustion area, based on these NOx emission quantity estimate value and torque variation estimate value.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于防止排气的劣化和可操作性的恶化的控制装置，当切换由为燃烧供应的空气燃料混合物的空燃比而调节的燃烧区域时。解决方案：设定由空气 - 燃料混合物的空燃比调节的第一，第二和第三燃烧区域。当切换第一燃烧区域和第三燃烧区域时，即当通过第二燃烧区域时，排气排放控制装置的下游的NOx排放量在线估计，并且当通过第二燃烧区域时，扭矩变化在线估计。吸入燃烧室中的吸入空气量以不同于普通时间的模式进行调节。例如，通过改变进气门的提升量，用于将排气排放控制装置的下游的NOx排放量设定为通过第二燃烧区域的规定值以下，将扭矩变动量设定为规定值基于这些NOx排放量估计值和扭矩变化估计值，当通过第二燃烧区域时，该流量小于等于或者等于更小。版权所有（C）2009，JPO＆INPIT

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