Patents by Inventor Tomoki Uno
Tomoki Uno has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240123983Abstract: To provide a traveling support system and a traveling support method which can switch a rough traveling support adapted to a rough merging behavior of the merging vehicle, and a traveling support of avoiding a collision between the object vehicle and the merging vehicle, according to conditions. A traveling support system comprising: a merging supporter that supports a traveling of the object vehicle so that a traveling at a time of merging becomes smooth; a collision avoidance supporter that calculates a collision risk and supports a traveling of the object vehicle so that the collision risk decreases; and a traveling support selector that determines whether the traveling support of the merging supporter or the traveling support of the collision avoidance supporter is performed.Type: ApplicationFiled: July 3, 2023Publication date: April 18, 2024Applicant: Mitsubishi Electric CorporationInventors: Takuji MORIMOTO, Tomoki Uno, Taku Umeda, Yuta Takashima
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Publication number: 20240116504Abstract: To provide a lane change prediction system and a lane change prediction method which can predict whether the merging vehicle interrupts on the front side or the back side of the object vehicle. A lane change prediction system, when the peripheral vehicle which exists around the object vehicle is a merging vehicle, predicts whether the merging vehicle interrupts on a front side or a back side of the object vehicle, based on a detection value of the relative position with respect to the object vehicle, a detection value of the relative speed, and a positive or negative of the detection value of the relative speed.Type: ApplicationFiled: June 23, 2023Publication date: April 11, 2024Applicant: Mitsubishi Electric CorporationInventors: Taku UMEDA, Takuji MORIMOTO, Tomoki UNO, Yuta TAKASHIMA
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Publication number: 20240116506Abstract: An object is to provide a technique of suppressing increase in a calculation load by an elaborate vehicle model. A control calculation apparatus includes: a first trajectory generation unit generating a first trajectory of a vehicle in a first prediction period based on a first vehicle model and a first place; a second trajectory generation unit generating a second trajectory of the vehicle in a second prediction period based on a second vehicle model having a degree larger than a degree of the first vehicle model, a second place different from the first place, and the first trajectory; and a target value calculation unit calculating and outputting a target value based on the second trajectory.Type: ApplicationFiled: April 28, 2021Publication date: April 11, 2024Applicant: Mitsubishi Electric CorporationInventors: Kenta TOMINAGA, Tomoki UNO, Ryota OKAMOTO
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Publication number: 20240083426Abstract: A control calculation apparatus (42) includes a target-trajectory generation section (421) that generates a target trajectory including a target route (T1) for a vehicle (40), based on information around the vehicle (40); a prediction time period setting section (422) that sets a prediction time period for predicting states of the vehicle (40), based on the target route (T1); and a control calculation section (423) that calculates target control values for making the vehicle (40) keep track of the target trajectory in the prediction time period, and then outputs the target control values to a control section (5) that controls the vehicle (40).Type: ApplicationFiled: February 9, 2021Publication date: March 14, 2024Applicant: Mitsubishi Electric CorporationInventors: Ryota OKAMOTO, Tomoki UNO
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Publication number: 20230365144Abstract: A control arithmetic device comprises a mixed state equation generation unit to generate a plurality of vehicle state equations each including one or more first state variables that are acquisition targets of one or more internal sensors installed in a vehicle, and generate a first mixed state equation by weighting each of the vehicle state equations using a first weighting function, a vehicle state acquisition unit to acquire a current value of each first state variable by the one or more internal sensors, a target route generation unit to generate a target route of the vehicle based on peripheral information acquired by one or more external sensors installed in the vehicle, and a target value arithmetic unit to calculate a target control value for the vehicle to travel along the target route based on the first mixed state equation and the current value of each first state variable, and output the target control value to a control unit that controls the vehicle.Type: ApplicationFiled: November 27, 2020Publication date: November 16, 2023Applicant: Mitsubishi Electric CorporationInventors: Tomoki UNO, Rin ITO, Shota KAMEOKA, Ryota OKAMOTO
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Publication number: 20230365160Abstract: To provide a vehicle control apparatus and a vehicle control method which can suppress that vehicle control is performed using a slope which may be wrong, when there is a possibility that the acquired road slope is wrong. A vehicle control apparatus estimates a traveling state slope based on the traveling state, calculates a map slope which is a slope of the road which includes front of the ego vehicle from map information, calculates the slope for control based on the traveling state slope and the map slope, determines whether or not accuracy of the map slope is low, does not use the map slope in calculation of the slope for control when determining that the accuracy of the map slope is low, and calculates the target value of vehicle control amount of the ego vehicle based on the traveling state and the slope for control.Type: ApplicationFiled: March 1, 2023Publication date: November 16, 2023Applicant: Mitsubishi Electric CorporationInventors: Michihiro OGATA, Tomoki UNO, Kazuo HITOSUGI
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Publication number: 20230331232Abstract: To provide a control calculation apparatus which can generate the target trajectory according to the state of deviating, and can suppress that the riding comfort is deteriorated, even if the vehicle deviates from the initial trajectory for the lane change due to disturbance, such as the override. A control calculation apparatus calculates a target value of vehicle control variable, which includes at least a steering angle, for the own vehicle to travel along the target trajectory, based on the traveling state and the target trajectory; and after the generation start of the target trajectory for the lane change, generates the target trajectory for the lane change which passes through a position within a prescribed distance range from the current position of the own vehicle detected based on the traveling state.Type: ApplicationFiled: January 26, 2023Publication date: October 19, 2023Applicant: Mitsubishi Electric CorporationInventors: Kenta TOMINAGA, Tomoki UNO, Yuko OMAGARI, Ryota OKAMOTO
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Publication number: 20230322219Abstract: To provide a vehicle control apparatus which can control appropriately the travelling speed at traveling on the curve, considering not only the lateral acceleration at traveling on the curve but also the longitudinal acceleration. A vehicle control apparatus calculates a curve limitation travelling speed at which the lateral acceleration of the own vehicle becomes the maximum lateral acceleration or less, based on the road shape and the maximum lateral acceleration; corrects the curve limitation travelling speed so that a composite acceleration of the own vehicle at traveling on the curve road becomes within a limit range which is set according to the maximum lateral acceleration, the maximum longitudinal acceleration in the front direction, and the maximum longitudinal acceleration in the back direction; and controls the vehicle according to the curve limitation travelling speed after correction.Type: ApplicationFiled: January 25, 2023Publication date: October 12, 2023Applicant: Mitsubishi Electric CorporationInventor: Tomoki UNO
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Publication number: 20230294700Abstract: To provide a travel route generation apparatus and a travel route generation method which can generate a travel route for changing lanes with good accuracy using the newest lane marking information obtained during lane change. A travel route generation apparatus and a travel route generation method, during lane change of the own vehicle, determines whether or not the lane marking information of each lane marking is effective lane marking information which can be used for generation of a lane change travel route which is a travel route for changing lanes; selects a reference lane marking from the lane marking on the left side and the lane marking on the right side of an own lane, based on an effectiveness determination result; and generates a lane change travel route, based on the lane marking information of the reference lane marking.Type: ApplicationFiled: September 30, 2020Publication date: September 21, 2023Applicant: Mitsubishi Electric CorporationInventors: Yuko OMAGARI, Masaya ENDO, Tomoki UNO
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Patent number: 11708069Abstract: Provided is an obstacle avoidance apparatus that can specify a distance between a subject vehicle and an obstacle when making the subject vehicle avoid the obstacle. An obstacle avoidance apparatus includes: an obstacle movement predictor that predicts movement of the obstacle; and a constraint generator that establishes a constraint on a state quantity or a control input of the subject vehicle by determining whether to steer right or left around the obstacle and defining a no-entry zone for preventing the subject vehicle from colliding with the obstacle. The constraint generator incorporates, into the no-entry zone, an area to the left of the obstacle when determining to steer right around the obstacle, and incorporates, into the no-entry zone, an area to the right of the obstacle when determining to steer left around the obstacle.Type: GrantFiled: August 1, 2019Date of Patent: July 25, 2023Assignee: Mitsubishi Electric CorporationInventors: Kenta Tominaga, Tomoki Uno, Shota Kameoka, Masaya Endo
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Publication number: 20230126923Abstract: A vehicle control device includes: a surrounding vehicle lane determination unit; a surrounding vehicle behavior prediction unit for predicting whether or not the surrounding vehicle will cut in at a time point after a present; a preceding vehicle determination unit; a target acceleration calculation unit; and a drive force calculation unit for calculating a drive force of the own vehicle. The preceding vehicle determination unit includes: a preceding vehicle candidate selection unit for selecting, as a preceding vehicle candidate, the surrounding vehicle traveling in front on an own vehicle traveling lane and the surrounding vehicle predicted to cut in to the own vehicle traveling lane; a collision risk determination unit for determining a collision risk of each surrounding vehicle selected as the preceding vehicle candidate; and a preceding vehicle selecting unit for selecting, as the preceding vehicle, the surrounding vehicle of which the collision risk is greatest.Type: ApplicationFiled: February 25, 2022Publication date: April 27, 2023Applicant: Mitsubishi Electric CorporationInventors: Yuichi OKURA, Yuko OMAGARI, Tomoki UNO
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Publication number: 20230096384Abstract: A processor of a computing device comprises: a rearrangement unit to rearrange a plurality of elements included in each of a Hessian matrix of an evaluation function and a coefficient matrix of the linear constraint; a generation unit to generate a simultaneous linear equation for finding the optimal solution, based on the evaluation function including the rearranged Hessian matrix and the linear constraint including the rearranged coefficient matrix; and a search unit to find the optimal solution using the simultaneous linear equation. The rearrangement unit rearranges the plurality of elements so as to gather a sparse element of the plurality of elements included in the Hessian matrix, and rearranges the plurality of elements so as to gather a sparse element of the plurality of elements included in the coefficient matrix.Type: ApplicationFiled: September 29, 2021Publication date: March 30, 2023Applicants: Mitsubishi Electric Corporation, MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC.Inventors: Yuko OMAGARI, Junya Hattori, Tomoki Uno, Stefano Di Cairano, Rien Quirynen
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Publication number: 20230083788Abstract: A processor of a computing device comprises: a generation unit to generate an active constraint set based on an inequality constraint set and an initial solution; a search unit to find a solution of a simultaneous linear equation generated based on the active constraint set and an evaluation function; and an updating unit to update the active constraint set based on the solution obtained by the search unit. The generation unit adds, to the active constraint set, the first inequality constraint determined as being not linearly dependent on one or more second inequality constraints included in the active constraint set.Type: ApplicationFiled: September 13, 2021Publication date: March 16, 2023Applicants: Mitsubishi Electric Corporation, MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC.Inventors: Junya HATTORI, Masaya Endo, Yuko Omagari, Tomoki Uno, Stefano Di Cairano, Rien Quirynen
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Publication number: 20230066819Abstract: A plan creating unit calculates a target inter-vehicle distance from relative speed information indicating relative speed of a preceding vehicle and host vehicle speed information indicating speed of a host vehicle, and creates, using an inter-vehicle distance between the host vehicle and the preceding vehicle indicated by distance information and the target inter-vehicle distance, a distance plan indicating changes over time of the inter-vehicle distance, a speed plan indicating changes over time of the speed of the host vehicle, and an acceleration plan indicating changes over time of acceleration of the host vehicle. A vehicle control unit calculates an acceleration control signal for controlling the acceleration of the host vehicle, using the distance information, the distance plan, the host vehicle speed information, and the speed plan. An instruction integrating unit generates an acceleration instruction using the acceleration control signal and the acceleration plan.Type: ApplicationFiled: July 7, 2022Publication date: March 2, 2023Applicant: Mitsubishi Electric CorporationInventors: Kazuhiro NISHIWAKI, Tomoki UNO
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Publication number: 20230030368Abstract: In a vehicle control device, a reference route generator obtains point-series information including information on sets of coordinates through which a subject vehicle needs to travel, and approximates, by polynomials each being a function of a route length from a preset reference point, a longitudinal position and a lateral position of the subject vehicle based on the sets of coordinates to generate a reference route represented by the polynomials. A planned traveling distance computing unit calculates a planned traveling distance being a distance that the subject vehicle needs to travel in a unit time of a predefined length. A target value computing unit calculates a target position being a target value of a position of the subject vehicle after the unit time, based on the polynomials of the longitudinal position and the lateral position of the subject vehicle, and the planned traveling distance.Type: ApplicationFiled: March 13, 2020Publication date: February 2, 2023Applicant: Mitsubishi Electric CorporationInventors: Tomoki UNO, Rin ITO
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Patent number: 11365977Abstract: A route generation device and a travel control device for suppressing a target route of a vehicle to be discontinuous before and after starting a lane change are obtained. A position obtaining unit obtains location information of the vehicle. A first route extraction unit extracts the target route as first points in sequence assuming that the vehicle continues to travel in the lane in which the vehicle is traveling before starting the lane change. The second route extraction unit extracts the target route a target route as second points in sequence assuming that the vehicle is currently traveling in an adjacent lane in which the vehicle travels after completing the lane change, and the vehicle continues to travel in the adjacent lane. The route calculation unit calculates the third points representing the target route.Type: GrantFiled: March 26, 2018Date of Patent: June 21, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yu Takeuchi, Tomoki Uno
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Patent number: 11235757Abstract: Provided is a collision avoidance apparatus that can avoid a collision through both steering and braking. In a collision avoidance apparatus, a no-entry zone defining unit defines a no-entry zone for preventing a subject vehicle from colliding with an obstacle around the subject vehicle, based on obstacle information including information on a position of the obstacle and based on lane information that is information on a traveling lane of the subject vehicle. A following determination unit determines whether the obstacle is an avoidance target or a following target, based on the position of the obstacle or a position of the no-entry zone. A constraint establishing unit establishes a constraint on a state quantity or a control input of the subject vehicle to prevent the subject vehicle from at least entering the no-entry zone.Type: GrantFiled: August 1, 2019Date of Patent: February 1, 2022Assignee: Mitsubishi Electric CorporationInventors: Kenta Tominaga, Tomoki Uno, Shota Kameoka, Masaya Endo
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Publication number: 20210003410Abstract: A route generation device and a travel control device for suppressing a target route of a vehicle to be discontinuous before and after starting a lane change are obtained. A position obtaining unit obtains location information of the vehicle. A first route extraction unit extracts the target route as first points in sequence assuming that the vehicle continues to travel in the lane in which the vehicle is traveling before starting the lane change. The second route extraction unit extracts the target route a target route as second points in sequence assuming that the vehicle is currently traveling in an adjacent lane in which the vehicle travels after completing the lane change, and the vehicle continues to travel in the adjacent lane. The route calculation unit calculates the third points representing the target route.Type: ApplicationFiled: March 26, 2018Publication date: January 7, 2021Applicant: Mitsubishi Electric CorporationInventors: Yu TAKEUCHI, Tomoki UNO
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Publication number: 20200385018Abstract: A path generation device and a vehicle control system capable of inhibiting generation of paths that make a vehicle unstable are provided. The path generation device includes a path generator that generates a plurality of paths along which a vehicle is to travel, in association with each piece of environment measurement data about a travel environment of the vehicle detected by a plurality of detectors; a reliability setting part that sets, for each of the generated paths, the reliability of the path in itself, the reliability corresponding to the degree to which a variation in the path falls within a predetermined range, and a path-weight setting part that sets the weight of each path on the basis of the reliability of the path.Type: ApplicationFiled: March 23, 2018Publication date: December 10, 2020Applicant: Mitsubishi Electric CorporationInventors: Shota KAMEOKA, Tomoki UNO, Shunsuke NAKAJIMA
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Publication number: 20200070819Abstract: Provided is an obstacle avoidance apparatus that can specify a distance between a subject vehicle and an obstacle when making the subject vehicle avoid the obstacle. An obstacle avoidance apparatus includes: an obstacle movement predictor that predicts movement of the obstacle; and a constraint generator that establishes a constraint on a state quantity or a control input of the subject vehicle by determining whether to steer right or left around the obstacle and defining a no-entry zone for preventing the subject vehicle from colliding with the obstacle. The constraint generator incorporates, into the no-entry zone, an area to the left of the obstacle when determining to steer right around the obstacle, and incorporates, into the no-entry zone, an area to the right of the obstacle when determining to steer left around the obstacle.Type: ApplicationFiled: August 1, 2019Publication date: March 5, 2020Applicant: Mitsubishi Electric CorporationInventors: Kenta TOMINAGA, Tomoki UNO, Shota KAMEOKA, Masaya ENDO