Abstract: A state detection system for an internal combustion engine includes: a memory configured to store mapping data, the mapping data being data that defines a detection mapping, the detection mapping being a mapping between an input and an output, the input being a rotation waveform variable and a drive system rotation speed variable and the output being a value of a combustion state variable, and the detection mapping including a joint operation of the rotation waveform variable and the drive system rotation speed variable based on a parameter learned by machine learning; and a processor configured to execute an acquisition process and a determination process, the acquisition process being configured to acquire a value of the drive system rotation speed variable, the determination process being configured to determine whether or not the internal combustion engine is in a predetermined operating state.

Abstract: A vehicle controller is provided. An update process updates a relationship defining data by inputting, to a predetermined update map, a state of a vehicle, a value of an action variable used to operate an electronic device, and a reward corresponding to that electronic device. A reward calculating process provides, based on the state of the vehicle obtained by an obtaining process, a greater reward when a characteristic of the vehicle meets a standard than when the characteristic of the vehicle does not meet the standard. A loosening process loosens the standard to a larger extent when the degree of deterioration is large than when the degree of deterioration is small.

Abstract: A state detection system for an internal combustion engine includes: a memory configured to store mapping data, the mapping data being data that defines a detection mapping, the detection mapping being a mapping between an input and an output, the input being a first waveform variable and a second waveform variable and the output being a value of a combustion state variable, and the detection mapping including a joint operation of the first waveform variable and the second waveform variable based on a parameter learned by machine learning; and a processor configured to execute an acquisition process and a determination process. The acquisition process acquires a value of the first waveform variable. The determination process determines whether or not the internal combustion engine is in a predetermined operating state.

Abstract: A vehicle control data generation method includes causing processing circuitry to execute an obtaining process that obtains a state of a vehicle and a specifying variable, an operating process that operates an electronic device, a reward calculating process that provides a greater reward when a characteristic of the vehicle meets a standard than when the characteristic does not meet the standard, and an updating process that updates relationship defining data. The update map outputs the updated relationship defining data. The reward calculating process includes a changing process that changes the reward, provided when the characteristic of the vehicle is a predetermined characteristic, such that the reward in a case where torque generated by an internal combustion engine is used to generate the propelling force of the vehicle differs from the reward in a case where the torque is not used to generate the propelling force.

Abstract: A vehicle control data generation method includes causing processing circuitry to execute an obtaining process that obtains a state of a vehicle and a specifying variable, an operating process that operates an electronic device, a reward calculating process that provides a greater reward when a characteristic of the vehicle meets a standard than when the characteristic does not meet the standard, an updating process that updates relationship defining data. The update map outputs the updated relationship defining data so as to increase an expected return for the reward in a case where the electronic device is operated in accordance with the relationship defining data. The reward calculating process includes a changing process that changes the reward between when the characteristic of the vehicle is a predetermined characteristic in an EV mode and when the characteristic is the predetermined characteristic in a HV mode.

Abstract: Provided is a state determination device for an internal combustion engine. The state determination device includes a storage device, and an execution device. The storage device stores mapping data that is data defining a mapping that outputs a determination result of a state of the internal combustion engine, by using an internal combustion engine state variable as an input. The execution device executes an acquisition process of acquiring the internal combustion engine state variable each time a crankshaft rotates by a specified angle, and a determination process of determining the state of the internal combustion engine based on an output of the mapping using the internal combustion engine state variable as an input. The execution device omits a part of the determination process performed each time the crankshaft rotates by the specified angle when a rotation speed of the crankshaft becomes equal to or higher than a predetermined threshold.

Abstract: An execution device executes an obtaining process that obtains a state of a vehicle, an operating process that operates an electronic device of the vehicle based on the state of the vehicle obtained by the obtaining process and operation data, a performance determining process that determines whether an environmental performance of the vehicle when the electronic device is operated is lower than a determination performance, and a data updating process that updates the operation data so as to increase the environmental performance of the vehicle when the performance determining process determines that the environmental performance of the vehicle is lower than the determination performance.

Abstract: A controller includes a memory device and an execution device that executes first and second operation processes, a switching process, and a recording process. The first operation process operates an operated unit by an operated amount, which is calculated on the basis of a state variable, using an adapted data set. The second operation process operates the operated unit by an operated amount that is defined by a relationship defining data set and the state variable. The switching process switches a process that operates the operated unit between the first operation process and the second operation process. The recording process obtains a value of the state variable used in calculation of the operated amount using the first operation process during an operation of the operated unit using the second operation process. The recording process also records time-series data of the obtained value of the state variable in the memory device.

Abstract: A CPU mounted on a vehicle obtains positional data by the GPS. Next, the CPU identifies an octane number, which is a parameter related to combustion of fuel, on the basis of the positional data corresponding to the position of the vehicle and the date and time at which the positional data was obtained. Then, the CPU calculates a correction amount on the basis of the identified parameter. The CPU assigns, to ignition timing, a value calculated on the basis of the correction amount. The CPU controls an ignition device so that the ignition device generates spark discharge at the calculated ignition timing.

Abstract: A vehicle controller, a vehicle control system, a vehicle control method, and a vehicle control system control method are provided. An internal execution device of the vehicle controller detects that learning data stored by an internal memory device due to the occurrence of an anomaly in a vehicle. The internal execution device transmits, to the outside of the vehicle, a request signal that requests for previously-learned learning data, where learning is performed from an initial state of the learning data. The internal execution device causes the internal memory device to store the received previously-learned learning data instead of the reset learning data.

Abstract: A vehicle control method applied to a system including a vehicle controller and a server configured to communicate with the vehicle controller is provided. The vehicle control method includes executing a state obtaining process that obtains a state of a vehicle, executing an operating process that operates an electronic device based on the state of the vehicle and operating data, executing an environment information obtaining process that obtains environment information, executing an environment determination process that determines whether traveling environment indicated by the environment information is changed, and when the environment determination process determines that the traveling environment is changed, executing a data changing process that causes the vehicle controller to obtain the operating data corresponding to the environment information from the server and causes a first storage device to store the operating data.

Abstract: A memory stores a plurality of pieces of map data. A memory of a controller stores map data. The controller executes an operation process for operating an electronic device of an internal combustion engine using the map data in the memory, and an acquisition process for acquiring a condition of a vehicle. The controller and a server execute a data changing process for selecting one of the pieces of map data stored in the memory based on the condition of the vehicle, and storing the selected map data in the memory.

Abstract: A controller includes a memory device and an execution device, which executes an operation of an operated unit of an internal combustion engine. The execution device executes a first calculation process that uses adapted data sets in order to calculate an operated amount on the basis of a detected value of a state variable, a second calculation process that calculates, as the operated amount, a value that is determined by a relationship defining data set and the state variable, a reinforcement learning process that updates the relationship defining data set, first and operation processes that operate the operated unit in accordance with a calculated value of the operated amount, and a switching process that switches a process that operates the operated unit between the first operation process and the second operation process in accordance with the state of the vehicle.

Abstract: An information providing system includes an onboard device and a server that transmits information to and receives information from the onboard device. The onboard device includes a condition setting unit that acquires a destination and an output mode and transmits the acquired destination and the acquired output mode to the server. The onboard device further includes an output unit that outputs parking lot recommendation information which is received from the server. The server includes a storage unit that stores parking lot information including position information of parking lots and parking fees which are detected from a captured image of the parking lots. The server further includes an information providing unit that prioritizes parking lots which are located within a predetermined range from the destination based on the output mode provides the parking lot information of the prioritized parking lots as the parking lot recommendation information to the onboard device.

Abstract: A controller includes a memory device and an execution device, which executes an operation of an operated unit of an internal combustion engine. The execution device includes a first operation process that operates the operated unit by an operated amount, which is calculated on the basis of a state of a vehicle, using an adapted data set, a second operation process that operates the operated unit by an operated amount that is defined by a relationship defining data set and the state of the vehicle, and a switching process that switches the operation of the operated unit between an operation by the first operation process and an operation by the second operation process, depending on whether the vehicle is performing a manual acceleration travel or an automatic acceleration travel.

Abstract: A vehicle control data generation method is provided. A preference variable indicates a relative preference of a user for two or more requested elements that include at least two of three requested elements including a requested element indicating a high acceleration response of a vehicle, a requested element indicating at least one of vibration and noise of the vehicle is small, and a requested element indicating a high energy use efficiency. The reward calculating process includes a changing process that changes a reward provided when a characteristic of the vehicle is a predetermined characteristic in a case where a value of the preference variable is a second value such that the changed reward differs from the reward provided when the characteristic is the predetermined characteristic in a case where the value of the preference variable is a first value.

Abstract: A method for generating vehicle controlling data includes executing an operating process that operates an electronic device, executing an obtaining process that obtains a state of a vehicle, executing a reward calculation process that assigns a reward based on the state of the vehicle, and an updating process that updates relationship specifying data. The reward calculation process includes a changing process that changes a reward assigned when an area variable equals a second value and a property of the vehicle is a predetermined property from a reward assigned when the area variable equals a first value and the property of the vehicle is the predetermined property.

Abstract: A vehicle controller is used for a first vehicle and includes processing circuitry. The processing circuitry is configured to execute an index deriving process that derives a traveling performance index of the first vehicle, the traveling performance index being an index related to a traveling performance, an index receiving process that receives the traveling performance index of a second vehicle from the second vehicle through vehicle-to-vehicle communication, and a performance determination process that compares the traveling performance index of the second vehicle with the traveling performance index of the first vehicle to determine whether a traveling performance of the first vehicle is lower than a traveling performance of the second vehicle.

Abstract: A vehicle control data generation method is provided. A self-driving mode of a vehicle automatically generates a command value of a propelling force produced by a propelling force generator independently of an accelerator operation. An execution device provides a greater reward based on an obtained state of the vehicle when a standard of a characteristic of the vehicle is met than when the standard is not met. Providing the reward changes a reward that is provided when the characteristic of the vehicle is a predetermined characteristic in the self-driving mode such that the changed reward differs from a reward that is provided when the characteristic of the vehicle is the predetermined characteristic in a manual driving mode.

Abstract: An in-vehicle device includes a first in-vehicle camera configured to capture a subject in the cabin of a vehicle to create a first captured image, a second in-vehicle camera configured to capture an outside scene to create a second captured image, an image processing unit configured to create, from the first and second captured images, a composite image in which the subject is arranged with the outside scene as a background, and a first communication unit configured to send the composite image.