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公开(公告)号：US20210131370A1
公开(公告)日：2021-05-06
申请号：US17071023
申请日：2020-10-15
摘要： A control apparatus for a vehicle includes: a characteristic storage portion configured to store therein torque-characteristic information representing an output torque characteristic as a characteristic of an output torque of an engine of the vehicle, which has appeared in a certain control operation, such that the stored torque-characteristic information is divided into a plurality of groups corresponding to respective refueling points that provide the fuel; and a factor determination portion configured, when the output torque characteristic represented by the torque-characteristic information belonging to one of the plurality of groups and the output torque characteristic represented by the torque-characteristic information belonging to another one of the plurality of groups are different from each other and a characteristic difference therebetween is not smaller than a threshold value, to determine that the characteristic difference is caused by a difference in a property of the fuel.
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公开(公告)号：US10955053B2
公开(公告)日：2021-03-23
申请号：US15786161
申请日：2017-10-17
发明人： Hiroyuki Tateno , Kiyonori Takagi , Koichi Okuda , Atsushi Kawamoto , Ryuji Ibaraki , Yuji Yasuda , Haruhisa Suzuki , Hideki Matsubo , Junya Abe
IPC分类号： F16H63/34 , F16H61/22 , F16D127/04
摘要： A manual unlocking device for a parking lock mechanism includes an operation lever that rotates when the parking lock mechanism is switched from a locked state to an unlocked state. The operation lever is arranged outside an occupant space of a vehicle cabin and is configured that a tool can be coupled to a rotation center thereof from the occupant space. The manual unlocking device for the parking lock mechanism is configured to switch the parking lock mechanism from the locked state to the unlocked state by integral rotation of the operation lever with the tool when the tool, which is coupled to the operation lever, rotates in a state where the tool is arranged on the rotation center of the operation lever.
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公开(公告)号：US10851889B2
公开(公告)日：2020-12-01
申请号：US16673171
申请日：2019-11-04
发明人： Kota Fujii , Atsushi Tabata , Tetsuya Kono , Koichi Okuda
摘要： While automatic driving control is being performed, traveling in a driving state of a vehicle corresponding to an unconverged region (including an unperformed region and a performed region) is preferentially selected between the traveling in the driving state of the vehicle corresponding to the unconverged region, and traveling in the driving state of the vehicle corresponding to a converged region. As such, learning control that corrects an amount of operation associated with control of the vehicle is performed more easily throughout the entire learning regions regardless of a usage state of the vehicle by a driver. Therefore, it is possible to achieve an appropriate traveling state at an early stage by the learning control that corrects the amount of operation associated with control of the vehicle.
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公开(公告)号：US20200208736A1
公开(公告)日：2020-07-02
申请号：US16673171
申请日：2019-11-04
发明人： Kota Fujii , Atsushi Tabata , Tetsuya Kono , Koichi Okuda
摘要： While automatic driving control is being performed, traveling in a driving state of a vehicle corresponding to an unconverged region (including an unperformed region and a performed region) is preferentially selected between the traveling in the driving state of the vehicle corresponding to the unconverged region, and traveling in the driving state of the vehicle corresponding to a converged region. As such, learning control that corrects an amount of operation associated with control of the vehicle is performed more easily throughout the entire learning regions regardless of a usage state of the vehicle by a driver. Therefore, it is possible to achieve an appropriate traveling state at an early stage by the learning control that corrects the amount of operation associated with control of the vehicle.
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公开(公告)号：US12122241B2
公开(公告)日：2024-10-22
申请号：US17804197
申请日：2022-05-26
发明人： Atsushi Tabata , Koichi Okuda , Koji Takaira , Yuuki Makino , Akinori Homan , Yosuke Akiyama , Akira Ijichi , Kunihiko Usui
CPC分类号： B60K6/52 , B60W10/06 , B60W10/08 , B60W10/119 , B60W20/13 , B60W20/15 , B60W2510/244
摘要： A vehicle driving apparatus includes: an engine; a first rotary electric machine; first and second output shafts; a power distribution device for distributing a power between the first and second output shafts; and a control device for controlling an electric-power generation torque of a second rotary electric machine such that a power distribution ratio between the first and second output shafts becomes a target distribution ratio, and controlling a total torque of the engine and the first rotary electric machine such that a requested drive torque is obtained. The control device executes an electric-power consuming control to supply at least a part of a generated electric power generated by the second rotary electric machine, to the first rotary electric machine without via a power storage device, and to drive the first rotary electric machine, such that an operation state of the engine is brought close to a fuel-economy optimum state.
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公开(公告)号：US12014585B2
公开(公告)日：2024-06-18
申请号：US17490811
申请日：2021-09-30
发明人： Atsushi Tabata , Ken Imamura , Koichi Okuda , Masato Nakano , Toshiaki Tamachi
IPC分类号： G07C5/08 , G01M13/028
CPC分类号： G07C5/0808 , G01M13/028 , G07C5/085
摘要： An unusual-noise determination device for a vehicle that performs unusual-noise determination to determine whether a power transmission system of the vehicle is generating unusual noise. The unusual-noise determination device includes an execution device and a memory device. The memory device stores a neural network that uses the maximum sound pressure and the excess ratio as inputs, and outputs a determination result variable, which is a variable indicating a result of the unusual-noise determination. The neural network is a trained neural network that has been trained using various values related to each of multiple vehicles as training data. The execution device is configured to perform the unusual-noise determination based on an output of the trained neural network that uses, as inputs, the maximum sound pressure and the excess ratio.
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27.发明授权公开(公告)号：US11959545B2
公开(公告)日：2024-04-16
申请号：US17329644
申请日：2021-05-25
发明人： Hideaki Bunazawa , Atsushi Tabata , Koichi Okuda , Ken Imamura , Kota Fujii , Keita Sasaki
CPC分类号： F16H59/42 , F16H61/0213 , G06N20/00 , F16H59/18 , F16H2061/0087 , F16H2061/009 , F16H2061/0096 , F16H2061/0459
摘要： A vehicle control device includes a processor and memory. The memory stores relation-defining data for defining a relation between a state of a vehicle and an action variable that is a variable relating to operations of a transmission installed in the vehicle. The processor is configured to execute acquisition processing, operation processing, reward calculation processing, updating processing, counting processing, and limiting processing. The processor is configured to output the relation-defining data updated so that an expected income is increased when the transmission is operated following the relation-defining data, based on an updating map.
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公开(公告)号：US11945438B2
公开(公告)日：2024-04-02
申请号：US18332089
申请日：2023-06-09
CPC分类号： B60W30/16 , B60W10/04 , B60W10/10 , B60W50/0098 , B60W2552/00 , B60W2554/404 , B60W2554/80 , B60W2710/10
摘要： A vehicle control apparatus includes: a follow-up-running control portion configured to execute a follow-up running control for causing a vehicle to run following a preceding vehicle with a target inter-vehicle distance; and a shift control portion configured to change a gear ratio of an automatic transmission in accordance with a predetermined shifting condition. The shift control portion is configured to set a high fluid-temperature determination value, based on information relating to the preceding vehicle that affects an air flow rate. When a fluid temperature of the automatic transmission is not lower than the high fluid-temperature determination value, the shift control portion is configured to change the shifting condition such that a higher-speed gear position making the gear ratio lower is more frequently established in the automatic transmission than when the fluid temperature of the automatic transmission is lower than the high fluid-temperature determination value.
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公开(公告)号：US11766928B2
公开(公告)日：2023-09-26
申请号：US17807018
申请日：2022-06-15
发明人： Koji Takaira , Yohei Habata , Atsushi Tabata , Koichi Okuda , Masato Nakano
IPC分类号： B60K6/52 , B60K6/445 , B60K6/547 , B60W10/08 , B60W10/115 , B60W20/30 , B60W10/119 , B60W20/15
CPC分类号： B60K6/52 , B60K6/445 , B60K6/547 , B60W10/08 , B60W10/115 , B60W10/119 , B60W20/15 , B60W20/30 , B60W2510/0604 , B60W2510/10 , B60W2520/10 , B60W2540/10 , B60W2710/0677 , B60W2710/086 , B60W2710/1005
摘要： A vehicle driving apparatus includes: an engine; a fluid transmission device; first and second rotary electric machines; an output shaft for receiving a power transmitted through a first power transmission path and outputting the power to one of a pair of front wheels and a pair of rear wheels; and a control device for controlling an engine operation point by adjusting an electrical path amount between the first and second rotary electric machines. The second rotary electric machine outputs the power to the other of the pair of front wheels and the pair of rear wheels, through a second power transmission path. The control device obtains a target electrical path amount enabling the engine operation point to become a target operation point, and causes a speed change device provided in the second power transmission path to establish a gear ratio enabling the target electrical path amount to be attainable.
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公开(公告)号：US11702063B2
公开(公告)日：2023-07-18
申请号：US16925280
申请日：2020-07-09
摘要： Since a maximum rotation speed of a second rotary machine is set to a lower value when a supercharging pressure is high than when the supercharging pressure is low, an engine torque decreases with an rotation speed of the second rotary machine which is relatively low and the rotation speed is less likely to fall into a high-rotation state. When the supercharging pressure is relatively low and the rotation speed is less likely to reach an upper-limit rotation speed of the second rotary machine, the maximum rotation speed is set to a relatively high value. Accordingly, the engine torque does not decrease to the rotation speed which is relatively high and power performance can be easily secured. As a result, it is possible to prevent a decrease in power performance due to the decrease in the engine torque and to prevent the rotation speed from falling into a high-rotation state.
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