Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Chuo Kenkyusho

Aisin Aw Co., Ltd.

Toyoda Jidosha Kabushiki Kaisha

Katsumi Kono

Shinya Nakamura

Takaaki Tokura

Masataka Osawa

Hiroji Taniguchi

Kenji Matsuo

Norimi Asahara

Tadashi Tamura

Hideki Yasue

Daisuke Inoue

Hiroki Kondo

Atsushi Honda

Yuji Hattori

Ryoji Habuchi

Hiroshi Ito

Kagenori Fukumura

Eiichi Ono

Hiroyuki Nishizawa

Noritake Mitsutani

Atsushi Ayabe

Shun Sato

Tomohiro Asami

Masato Kaigawa

Yasuhiro Tanaka

Akira Hino

Atsushi Tabata

Hiromichi Kimura

Masanao Idogawa

Masahiko Ando

Yasuo Hojo

Kunio Morisawa

Yoshihisa Yamamoto

Zenichiro Mashiki

Nobufusa Kobayashi

Tetsuya Taira

Takashi Inoue

Masaki Mitsuyasu

Yoshihisa Yamada

Masami Kondo

Naoyuki Fukaya

Jonggap Kim

Kaiji Itabashi

Ryoichi Hibino

Takeshi Yasuda

Yoshiaki Yamamoto

Masatoshi Yamada

Hideki Takamatsu

Toshinari Suzuki

Shu Asami

Masato Matsubara

Hiroshi Morioka

Masato Shimizu

Hiroki Nakano

Tomoyuki Koike

Tomohiro Kondo

Masanori Matsubara

Yuuichi Kohara

Yuji Muragishi

Akira Isogai

Hitoshi Matsunaga

Akira Fukatsu

Masami Sugaya

Isao Takagi

Yoshikazu Tanaka

Tomokazu Inagawa

Hirofumi Kubota

Takayuki Kubo

Hiroya Tanaka

Satoshi Yoshida

Yasushi Kobiki

Tomoharu Maeda

Masao Saitou

Mamoru Niimi

Masato Terashima

Syoichi Sayo

Shojiro Suga

Osamu Kaneko

Ryo Ito

Yuji Imanaga

Hirofumi Sato

Shinichi Matani

Yuki Hirooka

Shunsuke Fujishima

Takashi Yanai

Provided is a traveling control device mounted on a vehicle equipped with an electric motor and an internal combustion engine as a power source. The traveling control device includes: a first acquisition unit that acquires a destination point of the vehicle; a second acquisition unit that acquires past traveling history from a departure point to the destination point; a third acquisition unit that acquires a target storage rate; an estimation unit that estimates, based on the traveling history, an expected amount of generative energy that is energy able to be generated in the vehicle until the vehicle arrives at the destination point; a setting unit that sets a first section and a second section based on the expected amount of the generative energy and the target storage rate; and a control unit that controls traveling of the vehicle based on the first section and the second section.

Traveling control device for vehicle, traveling control method, and storage medium

A driving control device mounted on a vehicle includes a processor. The processor is configured to create a speed profile. The processor is configured to approximate the speed profile by a predetermined approximate model and estimate a predicted amount of regenerative energy based on an approximation result. The processor is configured to set, based on the predicted amount of regenerative energy, a first region and a second region in the approximation result as a region in which the vehicle travels using an electric motor, the first region being a region from a timing of starting of the vehicle until first time has elapsed from the timing of starting of the vehicle, and the second region being a region from a timing of deceleration of the vehicle until second time has elapsed from the timing of deceleration of the vehicle.

Driving control device, method, and non-transitory storage medium

An information processing device that determines a route by which a circuit of a plurality of points is made includes an acquisition unit that acquires point information regarding the points, a determination unit that determines a circuit route that satisfies a first condition for the points based on the point information acquired by the acquisition unit and traffic information, and a transmission unit that transmits the circuit route determined by the determination unit to the outside.

Information processing device, system, and method

A driving control device that is mounted on a vehicle including an electric motor and an internal combustion engine as power sources includes a processor. The processor is configured to: acquire a destination of the vehicle; acquire a past driving history from a point of departure to the destination; acquire a desired state of charge that is a state of charge of a battery desired when the vehicle arrives at the destination; estimate a predicted amount of regenerative energy based on the driving history; set a first section and a second section based on the predicted amount of regenerative energy and the desired state of charge; and control driving of the vehicle based on the first section and the second section.

Driving control device, driving control method, and non-transitory storage medium

A vehicular breaking force control system includes: a plurality of actuators capable of generating a braking force for a vehicle; a coasting state detection unit configured to detect that a coasting state has been established; a target braking force calculation unit configured to calculate a target braking force on the basis of a state of the vehicle when the coasting state detection unit detects that the coasting state has been established; and a braking force distribution control unit configured to determine a distribution braking force that is a braking force to be caused to be generated by each actuator, such that the distribution braking force is equal to or less than a braking force generable by the actuator and a sum of the distribution braking forces is equal to the target braking force, and to perform control of causing each actuator to generate the distribution braking force.

Braking force control system, device, and method

A travel control device is mounted on a vehicle including an electric motor and an internal combustion engine that are power sources and a storage battery that stores energy for driving the electric motor and regenerative energy recovered by regenerative braking of the electric motor. The travel control device includes an electronic control device configured to create a speed profile in which a speed of the vehicle is predicted, estimate a predicted amount of the regenerative energy to be recovered, based on the speed profile, and decide the power source to be used for traveling, based on the predicted amount of the regenerative energy and thermal information indicating a demand related to heat of the vehicle.

Travel control device, travel control method, non-transitory storage medium, and vehicle for deciding a power source for traveling based on a predicted amount of regenerative energy and thermal information

A traveling control apparatus is mounted on a vehicle that includes an electric motor and an internal combustion engine as power sources. The traveling control apparatus includes an electronic control unit configured to create a speed profile obtained by predicting speed of the vehicle at each time, derive, based on at least the speed profile, a coefficient profile that is a coefficient at each time used at the time of predicting an amount of regenerative energy recoverable by regenerative braking of the electric motor, approximate the speed profile with a predetermined approximation model and estimate a predicted amount of regenerative energy based on an approximation result and the coefficient profile, and determine the power source used for traveling based on the predicted amount of regenerative energy.

Traveling control apparatus, traveling control method, and non-transitory storage medium

A controller executes a dither control that cyclically increases and decreases an exciting current in a linear solenoid valve so as to vibrate a spool of the linear solenoid valve. A vibration cycle of the spool obtained through the dither control is referred to a dither cycle. The dither control includes a first dither control that vibrates the spool in a first dither cycle and a second dither control that vibrates the spool in a second dither cycle that is shorter than the first dither cycle. The controller executes the first dither control and the second dither control when an oil temperature of the hydraulic oil is between a first oil temperature and a second oil temperature that is higher than the first oil temperature.

Controller and control method for linear solenoid valve

A vehicular breaking force control system that includes a control device including a processor that acquires a plurality of longitudinal accelerations from a driving assistance system, and calculates a driving/braking request when the vehicle is in a coasting state in which an acceleration operation or a deceleration operation are not performed during running of the vehicle. The processor further acquires a driving force lower limit set for a powertrain actuator having a set gear ratio, and distributes the driving/braking request to at least one of (i) a powertrain system including the powertrain actuator and (ii) a brake system including a brake actuator. The driving/braking request is distributed to the at least one of the powertrain system and the brake system based on the acquired driving force lower limit.

A controller for a linear solenoid valve is configured to: calculate an average value of an exciting current within a period including a natural number multiple of the dither cycle as an average current value; execute a feedback control on a control value of the pulse width modulation signal such that a target value of the exciting current and the average current value match; and calculate a dither correction amount by multiplying a ratio between the control value of the pulse width modulation signal obtained by the feedback control and the average current value by a dither current value that is a current value corresponding to the dither correction amount and calculating the dither correction amount such that an increase in the exciting current due to the dither correction amount is canceled out by a decrease in the exciting current due to the dither correction amount within one dither cycle.

A simulation apparatus that generates a gradient pattern of a running road for a vehicle and a vehicle speed pattern for simulation. The apparatus includes a gradient pattern generation unit configured to generate a gradient pattern of a running road by sequentially deriving a gradient for each section, and a vehicle speed pattern generation unit configured to generate a vehicle speed pattern by, in a model including a lead vehicle that runs in accordance with a first vehicle speed pattern, a rearmost vehicle that runs in accordance with a first preceding vehicle following algorithm, and one or more intermediate vehicles that increase or reduce by one for each first period at an equal probability between the lead vehicle and the rearmost vehicle and that runs in accordance with the first preceding vehicle following algorithm, deriving a vehicle speed of the rearmost vehicle.

Gear stage choosing apparatus, gear stage choosing method, and simulation apparatus

A vehicle control apparatus includes: a transmission unit transmitting information to a control apparatus of an infrastructure in a non-contact manner, the information being on a vehicle driven by power supplied from a battery, which is rechargeable and is supplied with energy from the infrastructure of an outside in a non-contact manner; and a control unit acquiring information on a platoon of the vehicle from the outside by communication and causing the vehicle to travel according to the information on the platoon of the vehicle acquired.

Vehicle control apparatus, driving support apparatus, and control apparatus of infrastructure

A gear stage choosing apparatus that chooses a gear stage of a stepped transmission of a vehicle includes a storage unit configured to store a shift map containing a relationship between vehicle speed and gear stage, a determination unit configured to determine a gear stage associated with an estimated vehicle speed after a lapse of a first period of time from current time based on the shift map, an evaluation unit configured to evaluate fuel efficiency in some gear stages, including the determined gear stage and one or more gear stages higher or lower in less than or equal to a specific number of gear steps than the determined gear stage, of multiple gear stages, and a choosing unit configured to choose a gear stage selected from among the some gear stages based on the fuel efficiency as a gear stage to which a current gear stage is changed.

A control apparatus for controlling a linear solenoid by controlling a driving current supplied to the linear solenoid through a feedback control. The feedback control is executed by a feedback control system having parameters that are determined in accordance with an ILQ design method. In a frequency characteristic of a gain of a transfer function representing a ratio of an output to a disturbance in the feedback control system, the gain is lower than 0 [dB] throughout all frequency ranges.

Control apparatus for linear solenoid

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Toyota, Japan

Katsumi Kono