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1. 发明授权

US10006383B2 Control device and control method for an internal combustion engine with a supercharger 有权
公开(公告)号：US10006383B2
公开(公告)日：2018-06-26
申请号：US14596347
申请日：2015-01-14
申请人： Mitsubishi Electric Corporation
发明人： Michihisa Yokono , Hideki Hagari
IPC分类号： F02D41/00 , F02D41/18 , F02D23/00
CPC分类号： F02D41/0007 , F02D23/00 , F02D41/18 , F02D2200/0402 , F02D2200/0406 , F02D2200/0414 , Y02T10/144
摘要： In a control device and method for an internal combustion engine with a supercharger, a first/second temperature sensor and a first/second air pressure sensor are respectively provided on an upstream/downstream side of a supercharging path from a compressor to a throttle valve. A control portion calculates an inflow air mass to the supercharging path and an outflow air mass from the supercharging path, calculates a throttle upstream air mass in a high operational load state from those air masses, calculates a throttle upstream air mass in a low operational load state from outputs of the first temperature sensor and the first air pressure sensor, selects either one of the throttle upstream air masses depending on an operational load state of the engine, and calculates a throttle upstream pressure based on the upstream air mass selected and a second temperature detected by the second temperature sensor.

2. 发明授权

US09341135B2 Internal combustion engine control apparatus 有权
标题翻译：内燃机控制装置
公开(公告)号：US09341135B2
公开(公告)日：2016-05-17
申请号：US14154398
申请日：2014-01-14
申请人： Mitsubishi Electric Corporation
发明人： Takuo Watanuki , Hideki Hagari , Tomokazu Makino
IPC分类号： F02M25/07 , F02D43/00 , F02D41/00 , F02D41/18
CPC分类号： F02D43/00 , F02D41/0072 , F02D41/18 , F02D2200/0404 , F02D2200/0406 , F02D2200/0411 , Y02T10/47
摘要： There is provided an internal combustion engine control apparatus including an exhaust gas recirculation amount estimation unit that can estimate an EGR flow rate with an accuracy enough to appropriately control an internal combustion engine. An internal combustion engine control apparatus according to the present invention has an exhaust gas recirculation amount estimation unit that learns the relationship between a detected opening degree of an exhaust gas recirculation valve and a calculated effective opening area of the exhaust gas recirculation valve and estimates an exhaust gas recirculation amount, based on the relationship between a control exhaust gas recirculation valve effective opening area calculated based on the learning and an opening degree of the exhaust gas recirculation valve; for controlling an internal combustion engine, the internal combustion engine control apparatus utilizes the exhaust gas recirculation amount estimated by the exhaust gas recirculation amount estimation unit.
摘要翻译：提供一种内燃机控制装置，其包括排气再循环量估计单元，其可以以足够的精度估计EGR流量，以适当地控制内燃机。根据本发明的内燃机控制装置具有排气再循环量估计单元，该排气再循环量估计单元知道废气再循环阀的检测开度与排气再循环阀的计算有效开口面积之间的关系，并估计排气基于基于学习计算出的控制废气再循环阀有效开口面积与排气再循环阀的开度之间的关系的气体再循环量; 为了控制内燃机，内燃机控制装置利用由废气再循环量估计部估计出的废气再循环量。

3. 发明授权

US11486320B2 Controller and control method for internal combustion engine 有权
公开(公告)号：US11486320B2
公开(公告)日：2022-11-01
申请号：US16804735
申请日：2020-02-28
申请人： Mitsubishi Electric Corporation
发明人： Hideki Hagari
IPC分类号： F02D11/10 , F02D41/14 , F02D41/00 , B60W10/06
摘要： To provide a controller and a control method for an internal combustion engine capable of calculating a target value of controlled variable of internal combustion engine which realizes the target torque, while reducing the number of calculations using a torque characteristics function. A controller and a control method for an internal combustion engine calculates ignition sample numbers of ignition corresponding torques corresponding to the respective ignition sample numbers of ignition timings, by using a torque characteristics function relationship in which a relationship between driving condition and output torque is preliminarily set; and calculates an ignition torque approximated curve approximating a relationship between the ignition sample numbers of the ignition timings and the ignition sample numbers of the ignition corresponding torques; and calculates a target ignition timing corresponding to the target torque.

4. 发明授权

US10961924B2 Controller and control method for internal combustion engine 有权
公开(公告)号：US10961924B2
公开(公告)日：2021-03-30
申请号：US16257353
申请日：2019-01-25
申请人： Mitsubishi Electric Corporation
发明人： Hideki Hagari
IPC分类号： F02D35/02 , G01L23/24 , F02D41/00 , F02D37/02 , F02P5/153 , F02P5/04 , F02D41/14
摘要： To provide a controller and a control method for an internal combustion engine capable of performing automatic adaptation of the optimal ignition timing or the optimal control value of the combustion operation mechanism during operating. A controller and a control method for an internal combustion engine changes setting values of a torque characteristics function so that an output torque calculated using the torque characteristics function approaches an output torque calculated based on an actual value of internal cylinder pressure; calculates a plurality of output torques corresponding to respective plurality of combustion control states using the torque characteristics function; and changes setting values of a combustion control target setting function so that a target value of combustion control state calculated using the combustion control target setting function approaches a maximum torque combustion control state where the output torque becomes the maximum.

5. 发明授权

US10590871B2 Controller and control method for internal combustion engine 有权
公开(公告)号：US10590871B2
公开(公告)日：2020-03-17
申请号：US15869170
申请日：2018-01-12
申请人： Mitsubishi Electric Corporation
发明人： Hideki Hagari
IPC分类号： F02D41/14 , F01N9/00 , F02D41/00 , F02D23/02 , G06F17/10 , F02D41/22 , F02D13/02
摘要： To provide a controller and a control method for an internal combustion engine capable of estimating exhaust gas temperature at any estimation positions of the exhaust pipe with good accuracy by taking into consideration a temperature drop of exhaust gas by heat radiation of the exhaust pipe. A controller for an internal combustion engine is provided with an outlet gas temperature calculator that calculates an outlet gas temperature which is a temperature of exhaust gas at an outlet of a combustion chamber, based on the driving condition; a heat radiation amount calculator that calculates a temperature decrease amount of the exhaust gas by heat radiation of an exhaust pipe from the outlet of the combustion chamber to an estimation position; and an exhaust gas temperature estimation calculator that estimate an exhaust gas temperature at the estimation position by subtracting the temperature decrease amount from the outlet gas temperature.

6. 发明授权

US10138831B2 Controller and control method for internal combustion engine 有权
公开(公告)号：US10138831B2
公开(公告)日：2018-11-27
申请号：US15657363
申请日：2017-07-24
申请人： Mitsubishi Electric Corporation
发明人： Michihisa Yokono , Hideki Hagari
IPC分类号： B60T7/12 , F02D41/00 , F02M26/46
摘要： To provide a controller and a control method for an internal combustion engine capable of learning the individual difference and the aging change of the flow characteristic of the EGR valve, by a method which is hardly influenced by the individual difference and the aging change of the internal combustion engine body, and improving the estimation accuracy of the flow rate of recirculation exhaust gas. The controller for an internal combustion engine calculates an oxygen concentration detecting EGR rate Regr based on the inner-manifold oxygen concentration; calculates an oxygen concentration detecting recirculation flow rate based on the oxygen concentration detecting EGR rate and the intake air flow rate, and calculates a learning value of the opening area of EGR valve; and calculates a flow rate of recirculation exhaust gas for control based on the learned opening area.

7. 发明授权

US09964027B2 Controller for supercharger-equipped internal combustion engine and control method thereof 有权
公开(公告)号：US09964027B2
公开(公告)日：2018-05-08
申请号：US15131526
申请日：2016-04-18
申请人： Mitsubishi Electric Corporation , Mazda Motor Corporation
发明人： Hideki Hagari , Takuo Watanuki , Michihisa Yokono , Takafumi Nishio
IPC分类号： F02D23/00 , F02B33/44 , F02B37/18 , F02D41/00 , F02D41/24 , F02D41/18
CPC分类号： F02B37/18 , F02D23/00 , F02D41/0007 , F02D41/18 , F02D41/2432 , F02D2200/0406 , F02D2200/101 , F02D2200/703 , F02D2250/34 , Y02T10/144 , Y02T10/42
摘要： The objective of the present invention is to provide a controller for a supercharger-equipped internal combustion engine and a control method that can reduce man-hours for data measurement and matching, which are required to perform while the internal combustion engine and the supercharger are combined. In a controller, a target turbine flow rate for realizing a target compressor driving force is calculated; a target wastegate flow rate is calculated based on an exhaust gas flow rate and the target turbine flow rate; a target turbine-upstream pressure is calculated based on a target before/after-turbine pressure ratio for realizing the target compressor driving force and a turbine-downstream pressure; a target gate effective opening area is calculated based on the target wastegate flow rate, the target before/after-turbine pressure ratio, and the target turbine-upstream pressure; then, a gate valve control value is calculated.

8. 发明授权

US09903290B2 Controller and control method for internal combustion engine 有权
公开(公告)号：US09903290B2
公开(公告)日：2018-02-27
申请号：US15189121
申请日：2016-06-22
申请人： Mitsubishi Electric Corporation
发明人： Hideki Hagari , Kazuhiro Tokuyama
IPC分类号： F02D41/00 , F02D41/14 , F02D37/02 , F02P5/145 , G01M15/06 , F02D35/02 , G01P3/44 , F02D41/28
CPC分类号： F02D41/009 , F02D35/024 , F02D35/028 , F02D37/02 , F02D41/0047 , F02D41/005 , F02D41/0097 , F02D41/1497 , F02D2041/281 , F02P5/145 , F02P5/1516 , F02P7/06 , G01M15/06 , G01P3/44 , Y02T10/47
摘要： There is provided a controller and a control method for an internal combustion engine capable of correcting a detection error of a crankshaft angle with high accuracy. A controller for an internal combustion engine includes an angle information detector that detects an angle interval and a time interval by a specific crank angle sensor; an angle information correction calculator that corrects the angle interval or the time interval by the correction value; an angle information calculator that calculates a crank angle speed, a crank angle acceleration, and an angular acceleration change amount based on the corrected angle interval and the corrected time interval; and a correction value change calculator that change the correction value so that the angular acceleration change amount approaches zero.

9. 发明授权

US09726531B2 Estimation apparatus and method for cylinder intake air amount of internal combustion engine 有权
公开(公告)号：US09726531B2
公开(公告)日：2017-08-08
申请号：US14506155
申请日：2014-10-03
申请人： Mitsubishi Electric Corporation
发明人： Hideki Hagari
IPC分类号： G01F1/00 , G01F3/00 , F02D41/18 , F02D41/00 , G06F11/30 , G01F1/72
CPC分类号： G01F3/00 , F02D41/0007 , F02D41/18 , F02D2200/0402 , F02D2200/0406 , F02D2200/0411 , F02D2200/0414 , G01F1/72 , Y02T10/144
摘要： Provided is a cylinder intake air amount estimation apparatus for an internal combustion engine, which is capable of highly precisely calculating a cylinder intake air amount based on an AFS intake air amount in a control system for an engine including a supercharger. A cylinder intake air amount calculation part calculates the cylinder intake air amount based on an intake opening intake air amount by using a physical model of an intake system derived based on a volume efficiency acquired by considering an intake manifold as a reference, which is a volume efficiency of air entering a cylinder from the intake manifold, a virtual intake manifold volume, and a stroke volume per cylinder, the physical model being adapted to the control system for an engine including a supercharger.

10. 发明授权

US09605608B2 Apparatus for controlling internal combustion engine having turbocharger 有权
公开(公告)号：US09605608B2
公开(公告)日：2017-03-28
申请号：US14302638
申请日：2014-06-12
申请人： Mitsubishi Electric Corporation
发明人： Michihisa Yokono , Hideki Hagari
IPC分类号： F02B33/44 , F02D41/00 , F02B37/18 , F02B37/22 , F02D41/14 , F02D11/10 , F02D41/24
CPC分类号： F02D41/0007 , F02B37/183 , F02B37/225 , F02D11/105 , F02D41/1402 , F02D41/2464 , F02D2041/1432 , F02D2200/0404 , F02D2200/0406 , F02D2200/0408 , F02D2200/101 , F02D2200/602 , Y02T10/144
摘要： In the control device, a relationship of a throttle-upstream pressure with respect to an exhaust-gas amount is used in a state where a supercharge pressure becomes the lowest by a WG-instruction value with respect to a WGV-control component 220 for driving a WGV 33a provided at a bypass passage 33 bypassing a turbocharger 32, and a relationship of a throttle-upstream pressure with respect to an aperture of a throttle valve 23, a rotational speed of an engine, and an intake-manifold pressure is used, and any of the throttle-upstream pressures, whichever is higher, being calculated in accordance with each of the relationship, is defined as a throttle-upstream-estimation value, whereby the throttle-upstream pressure is estimated by a cheap means with high accuracy so as to control the engine.

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