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公开(公告)号：US20090157282A1
公开(公告)日：2009-06-18
申请号：US12261876
申请日：2008-10-30
申请人： Seiji Asano , Yasukuni Kubo , Takayuki Ohbu , Keiichi Takayanagi , Shigeo Ohkuma , Shunji Fukui , Junichi Noda
发明人： Seiji Asano , Yasukuni Kubo , Takayuki Ohbu , Keiichi Takayanagi , Shigeo Ohkuma , Shunji Fukui , Junichi Noda
IPC分类号： F02D41/00
CPC分类号： F02D41/1403 , F02D41/1455 , F02D2041/1422 , F02D2041/1431 , G05B13/0255
摘要： Factors affecting the response time of a transfer system from the combustion of injected fuel to the detection of its oxygen concentration include a stroke delay time due to an engine speed, the dependence of an LAF sensor response time on an exhaust gas flow rate, a response time change of the LAF sensor due to its deterioration with time, and the like. If a hyperplane of the sliding mode is fixed without considering the above-mentioned factors affecting the response time of the transfer system, an overshoot or oscillation of a feedback system may occur at low speeds of the engine even if preferable feedback responsiveness can be achieved, for example, at high speeds of the engine. This results in aggravated exhaust emissions, degraded drivability due to torque fluctuations, and fluctuations in idle speed.A hyperplane used in a control system for providing feedback control of an air-fuel ratio through sliding mode control is varied based on the factors affecting the response time of the control system within a range in which the control system can be stabilized.
摘要翻译： 影响转移系统从燃料燃烧到其氧浓度的响应时间的因素包括由于发动机转速引起的冲程延迟时间，LAF传感器响应时间对废气流量的依赖性，响应 LAF传感器由于其随时间而劣化的时间变化等。 如果在考虑到影响传送系统的响应时间的上述因素的情况下固定滑模的超平面，即使可以实现优选的反馈响应，也可能在发动机的低速下发生反馈系统的过冲或振荡， 例如，在发动机的高速度。 这导致严重的废气排放，由于扭矩波动导致的驾驶性能下降以及怠速速度的波动。 在控制系统中用于通过滑动模式控制提供空燃比的反馈控制的超平面基于影响控制系统在其中可以稳定控制系统的范围内的响应时间的因素而变化。
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公开(公告)号：US07472690B2
公开(公告)日：2009-01-06
申请号：US11695231
申请日：2007-04-02
CPC分类号： F02M63/0225 , F02D41/222 , F02D2200/0602 , F02D2200/0604 , F02M37/18 , F02M65/003 , F02M2200/24
摘要： A fuel supply apparatus for an engine in which calculation of a manipulated variable of a fuel pump in response to a deviation between a fuel pressure detected by a fuel pressure sensor and a target value is carried out, is configured in a manner such that when the fuel pressure sensor is failed, a change in the fuel pressure is estimated based on a required fuel flow amount of an engine, a discharge amount of the fuel pump and a fuel pressure detected immediately before the fuel pressure sensor is failed, so that deciding of the manipulated variable of the fuel pump is made, based on the estimation value. A method of controlling the fuel supply apparatus to realize the controlling of the fuel pump based on the manipulated variable is also disclosed.
摘要翻译： 一种用于发动机的燃料供给装置，其中，执行响应于由燃料压力传感器检测到的燃料压力与目标值之间的偏差来计算燃料泵的操作变量的燃料供给装置， 燃料压力传感器故障，基于发动机的所需燃料流量，燃料泵的排出量和紧接在燃料压力传感器故障之前检测到的燃料压力来估计燃料压力的变化，从而决定 基于估计值来制造燃料泵的操纵变量。 还公开了一种控制燃料供应装置以实现基于操作变量的燃料泵的控制的方法。
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公开(公告)号：US20070073470A1
公开(公告)日：2007-03-29
申请号：US11526641
申请日：2006-09-26
CPC分类号： F02N11/10 , F02D11/107 , F02D41/021 , F02D41/062 , F02D41/1494 , F02D41/22 , F02D2200/60 , Y02T10/40
摘要： Predicting of starting of an engine is performed in advance before starting of the engine. When the starting of the engine is predicted, a failure diagnosis of a device such as a heater, a pump and so forth, which are attached to the engine and to be operated before starting of the engine, is made. When the heater and the pump are determined to be normal from the result of the diagnosis, the heater and the pump are operated before the engine is started. With this, the temperature of the heater can be increased and the pressure of a fluid carried by the pump can be increased before starting the starting of the engine.
摘要翻译： 发动机起动前的预测是在发动机起动之前进行的。 当预测发动机的启动时，制造附接到发动机并在发动机启动之前操作的诸如加热器，泵等的装置的故障诊断。 当加热器和泵从诊断结果确定为正常时，加热器和泵在发动机启动之前运行。 由此，可以增加加热器的温度，并且可以在开始发动机之前增加由泵承载的流体的压力。
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4.发明授权公开(公告)号：US07441549B2
公开(公告)日：2008-10-28
申请号：US11545488
申请日：2006-10-11
申请人： Keiichi Takayanagi
发明人： Keiichi Takayanagi
IPC分类号： F02M33/02
CPC分类号： F02M25/0818
摘要： A leak diagnosing technology in which a diagnostic space capable of being closed is defined which includes therein a fuel tank and a canister, the closed diagnostic space being pressurized by an air pump to diagnose of presence or absence of a leak in the diagnostic space based on whether or not a pressure in the diagnostic space indicates a predetermined pressure change. When the diagnosis is completed, the air pump is reversely rotated to cause a reduction in the pressure in the diagnostic space to thereby quickly return the pressure to a target pressure in a steady state.
摘要翻译： 一种泄漏诊断技术，其中限定能够关闭的诊断空间，其中包括燃料箱和罐，所述封闭的诊断空间由空气泵加压以诊断诊断空间中是否存在泄漏，基于 诊断空间中的压力是否表示预定的压力变化。 当诊断完成时，气泵反向旋转，导致诊断空间中的压力降低，从而将压力快速地恢复到稳定状态下的目标压力。
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5.发明申请公开(公告)号：US20070251502A1
公开(公告)日：2007-11-01
申请号：US11790795
申请日：2007-04-27
申请人： Keiichi Takayanagi , Junichi Furuya
发明人： Keiichi Takayanagi , Junichi Furuya
CPC分类号： F02M37/18 , F02D41/222 , F02D41/3845 , F02D41/3863 , F02D2041/2027 , F02D2041/223 , F02D2041/226 , F02D2041/227 , F02D2250/31 , F02M63/0225 , F02M2041/1477
摘要： In a fuel supply apparatus for an engine, which is provided with a relief valve for returning fuel in a fuel pipe into a fuel tank when a fuel pressure exceeds a threshold, and also feedback controls a discharge amount of a fuel pump so that the fuel pressure detected by a pressure sensor approaches a target pressure, when the pressure sensor is failed, a duty of a PWM signal for the fuel pump is fixedly maintained at a predetermined value, and fuel injection pulse width is calculated on the assumption that the fuel pressure is held at the threshold.
摘要翻译： 在用于发动机的燃料供给装置中，当燃料压力超过阈值时，设置有用于将燃料管中的燃料返回到燃料箱中的安全阀，并且反馈控制燃料泵的排出量，使得燃料 由压力传感器检测到的压力接近目标压力，当压力传感器故障时，燃料泵的PWM信号的占空比被固定地保持在预定值，并且燃料喷射脉冲宽度是基于燃料压力 被保持在门槛。
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6.发明授权公开(公告)号：US07412968B2
公开(公告)日：2008-08-19
申请号：US11790795
申请日：2007-04-27
申请人： Keiichi Takayanagi , Junichi Furuya
发明人： Keiichi Takayanagi , Junichi Furuya
CPC分类号： F02M37/18 , F02D41/222 , F02D41/3845 , F02D41/3863 , F02D2041/2027 , F02D2041/223 , F02D2041/226 , F02D2041/227 , F02D2250/31 , F02M63/0225 , F02M2041/1477
摘要： In a fuel supply apparatus for an engine, which is provided with a relief valve for returning fuel in a fuel pipe into a fuel tank when a fuel pressure exceeds a threshold, and also feedback controls a discharge amount of a fuel pump so that the fuel pressure detected by a pressure sensor approaches a target pressure, when the pressure sensor is failed, a duty of a PWM signal for the fuel pump is fixedly maintained at a predetermined value, and fuel injection pulse width is calculated on the assumption that the fuel pressure is held at the threshold.
摘要翻译： 在用于发动机的燃料供给装置中，当燃料压力超过阈值时，设置有用于将燃料管中的燃料返回到燃料箱中的安全阀，并且反馈控制燃料泵的排出量，使得燃料 由压力传感器检测到的压力接近目标压力，当压力传感器故障时，燃料泵的PWM信号的占空比被固定地保持在预定值，并且燃料喷射脉冲宽度是基于燃料压力 被保持在门槛。
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7.发明申请公开(公告)号：US20070084274A1
公开(公告)日：2007-04-19
申请号：US11545488
申请日：2006-10-11
申请人： Keiichi Takayanagi
发明人： Keiichi Takayanagi
IPC分类号： G01M19/00
CPC分类号： F02M25/0818
摘要： A leak diagnosing technology in which a diagnostic space capable of being closed is defined which includes therein a fuel tank and a canister, the closed diagnostic space being pressurized by an air pump to diagnose of presence or absence of a leak in the diagnostic space based on whether or not a pressure in the diagnostic space indicates a predetermined pressure change. When the diagnosis is completed, the air pump is reversely rotated to cause a reduction in the pressure in the diagnostic space to thereby quickly return the pressure to a target pressure in a steady state.
摘要翻译： 一种泄漏诊断技术，其中限定能够关闭的诊断空间，其中包括燃料箱和罐，所述封闭的诊断空间由空气泵加压以诊断诊断空间中是否存在泄漏，基于 诊断空间中的压力是否表示预定的压力变化。 当诊断完成时，气泵反向旋转，导致诊断空间中的压力降低，从而将压力快速地恢复到稳定状态下的目标压力。
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公开(公告)号：US07603227B2
公开(公告)日：2009-10-13
申请号：US11526641
申请日：2006-09-26
CPC分类号： F02N11/10 , F02D11/107 , F02D41/021 , F02D41/062 , F02D41/1494 , F02D41/22 , F02D2200/60 , Y02T10/40
摘要： Predicting of starting of an engine is performed in advance before starting of the engine. When the starting of the engine is predicted, a failure diagnosis of a device such as a heater, a pump and so forth, which are attached to the engine and to be operated before starting of the engine, is made. When the heater and the pump are determined to be normal from the result of the diagnosis, the heater and the pump are operated before the engine is started. With this, the temperature of the heater can be increased and the pressure of a fluid carried by the pump can be increased before starting the starting of the engine.
摘要翻译： 发动机起动前的预测是在发动机起动之前进行的。 当预测发动机的启动时，制造附接到发动机并在发动机启动之前操作的诸如加热器，泵等的装置的故障诊断。 当加热器和泵从诊断结果确定为正常时，加热器和泵在发动机启动之前运行。 由此，可以增加加热器的温度，并且可以在开始发动机之前增加由泵承载的流体的压力。
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9.发明授权Control apparatus for vehicle and method of switching mode of control unit of control apparatus 有权用于车辆的控制装置和控制装置的控制单元的切换方式的方法公开(公告)号：US07349793B2
公开(公告)日：2008-03-25
申请号：US11453976
申请日：2006-06-16
申请人： Keiichi Takayanagi
发明人： Keiichi Takayanagi
CPC分类号： F02M25/089 , F02M25/0809
摘要： In an engine of a vehicle provided with a normally-closed solenoid valve in a fresh air induction port of a canister, in the case where a refueling cap is open when the engine is stopped, a control module operates in a usual-power consumption mode, and forces closing of the solenoid valve. In the case where the refueling cap is closed, the control mode shifts to a low-power consumption mode, and maintains the solenoid valve in the closed condition.
摘要翻译： 在具有常闭电磁阀的车辆的发动机中，在发动机停止时，在加油盖打开的情况下，控制模块以通常的功耗模式运转 并强制关闭电磁阀。 在加油盖关闭的情况下，控制模式转换为低功耗模式，并将电磁阀维持在关闭状态。
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10.发明申请Control apparatus for vehicle and method of switching mode of control unit of control apparatus 有权用于车辆的控制装置和控制装置的控制单元的切换方式的方法公开(公告)号：US20060287804A1
公开(公告)日：2006-12-21
申请号：US11453976
申请日：2006-06-16
申请人： Keiichi Takayanagi
发明人： Keiichi Takayanagi
CPC分类号： F02M25/089 , F02M25/0809
摘要： In an engine of a vehicle provided with a normally-closed solenoid valve in a fresh air induction port of a canister, in the case where a refueling cap is open when the engine is stopped, a control module operates in a usual-power consumption mode, and forces closing of the solenoid valve. In the case where the refueling cap is closed, the control mode shifts to a low-power consumption mode, and maintains the solenoid valve in the closed condition.
摘要翻译： 在具有常闭电磁阀的车辆的发动机中，在发动机停止时，在加油盖打开的情况下，控制模块以通常的功耗模式运转 并强制关闭电磁阀。 在加油盖关闭的情况下，控制模式转换为低功耗模式，并将电磁阀维持在关闭状态。
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