Toyota Motor Corporation Patente

A management system deletes a subject digital key to a vehicle 20 when a specified condition is satisfied. The subject digital key is one of multiple digital keys to the vehicle 20. The management system does not delete the subject digital key when a cancellation request for deletion of the subject digital key is issued, during a specified period, from a device to which a digital key different from the subject digital key is registered. The management system deletes the subject digital key when the cancellation request is not issued, during the specified period, from a device to which a digital key different from the subject digital key is registered.

A computer-implemented method (20) for detecting driver distraction in a current traffic scene, comprising: - capturing (21) the driver's gaze positions over time; - constructing (22) a dynamic spatio-temporal heterogeneous graph representation of the current traffic scene; - executing (23) a graph transformer model which comprises integrating the edges between the nodes of the spatio-temporal heterogeneous graph representation into its attention mechanism; - updating (24) the nodes of the current spatio-temporal heterogeneous graph representation; - processing (25) the updated nodes of the spatio-temporal heterogeneous graph representation to estimate a probability distribution of the driver's next gaze position; and - detecting (26) driver distraction by comparing the current captured gaze position with the estimated probability distribution to identify deviations indicative of the driver distraction.

A method for training a 3D occupancy prediction network , said method comprising a. Obtaining (S1) a plurality of input images (Ik) of a scene, b. Extracting (S3), a relative depth information for 3D points of a target image (Itarget), c. Obtaining (S4), an absolute depth information (Dtarget) of said target image (Itarget), d. Obtaining (S5) a reconstructed target image using said absolute depth information (Dtarget), e. Obtaining (S6), semantic information of pixels of said target image (Itarget) and semantic information of pixels of said reconstructed target image (Îtarget), f. Selecting (S7) pixels (u') of said target image whose semantic information is the same in said target image (Itarget) and in said reconstructed target image (Îtarget), g. optimizing (S8) a semantic loss ( L sem − refine <img class="EMIRef" id="6f4b85ad-6654-4121-9a00-e379a7f9b3e4-ia01" /> ) function as a binary cross entropy applied on patches ( S i ′ u i ′ <img class="EMIRef" id="6f4b85ad-6654-4121-9a00-e379a7f9b3e4-ia02" /> ) and reconstructed patches ( S ^ i ′ u i ′ <img class="EMIRef" id="6f4b85ad-6654-4121-9a00-e379a7f9b3e4-ia03" /> ) of said selected pixels, h. optimizing (S9) a depth supervision loss ( L depth <img class="EMIRef" id="6f4b85ad-6654-4121-9a00-e379a7f9b3e4-ia04" /> ) function

A rear differential splits drive power transmitted from a rear propeller shaft between two rear drive shafts. A second motor-generator applies the drive power to the two rear drive shafts via the rear differential. The rear differential includes a rear differential ring gear and a rear differential case. A second inverter and the rear differential ring gear overlap with each other when viewed in an axial direction of the rear drive shafts. The second inverter and the rear differential ring gear do not overlap with each other when viewed in an up-down direction of the vehicle. The second inverter and the rear differential case overlap with each other when viewed in the up-down direction.

A vehicle stores information related to an owner key. When a vehicle manager receives an operation that requests deletion of the owner key, the vehicle manager identifies the type of an owner device. When the vehicle manager identifies the owner device as a mobile device owned by the owner, the vehicle manager performs a first deletion procedure that deletes the information related to the owner key, after authentication of a key fob of the vehicle is completed through communication with the key fob. When the vehicle manager identifies the owner device as a server belonging to the owner, the vehicle manager performs a second deletion procedure different from the first deletion procedure. The second deletion procedure deletes the information related to the owner key under a condition in which a specified condition is satisfied.

In a vehicle, a device configured to store information relating to a digital key is registered as the digital key. The vehicle includes a storage device configured to store a range of functions of the vehicle executable by the digital key and an execution device that changes the range of functions of the vehicle executable by the digital key during periods other than a usage period to be narrower than the range of functions of the vehicle executable by the digital key during the usage period. The usage period is a period in which a user of the digital key uses the vehicle.

A management server includes processing circuitry configured to, upon receiving a deletion request for deleting a deletion-target digital key from a sender device, the deletion-target digital key being one of digital keys registered with a vehicle, and the sender device being one of the devices that respectively store information relating to the digital keys, store information indicating the deletion-target digital key is in a deletion-pending state in which the deletion-target digital key is deleted upon satisfaction of a predetermined condition, and transmit a pending-state notification to a receiving device, the pending-state notification indicating that the deletion-target digital key is in the deletion-pending state, and the receiving device being one of the devices that belongs to a user other than a user of the sender device.

An owner key and a shareable key, which are digital keys of a vehicle, are registered in the vehicle. When determining that a termination process has been executed with the vehicle in a stopped state at a termination location, the vehicle starts a deletion process for a shareable key registered in the vehicle when a digital key other than the registered shareable key is authenticated. When determining that the termination process has not been executed with the vehicle in a stopped state at the termination location, the vehicle does not delete the registered shareable key for which deletion is deferred even if the digital key other than the registered shareable key is authenticated for the vehicle.

A driving device includes a first accommodating chamber (200), a second accommodating chamber (300), a partition wall (190) between the first accommodating chamber (200) and the second accommodating chamber (300), and a through-hole (191) formed in the partition wall (190). A speed reduction mechanism (40) includes a rotary shaft (44) extending from the first accommodating chamber (200) to the second accommodating chamber (300) through the through-hole (191), a first reduction gear (41) that is a hypoid gear, and a second reduction gear (42). The first accommodating chamber (200) accommodates a hypoid pinion (31) and the first reduction gear (41), and contains a first oil. The second accommodating chamber (300) accommodates a second motor-generator (50) and contains a second oil having a lower viscosity than the first oil. An oil seal (105) provides sealing between the rotary shaft (44) and the through-hole (191).

In response to a request to delete a target digital key, a management system (10) transmits a deletion request to a target device and a vehicle (20). When transmitting the deletion request, if both the target device and the vehicle (20) are in a non-communicable state, the management system (10) retransmits the deletion request when at least one of the target device and the vehicle (20) is restored to a communicable state.

A vehicle is configured to communicate with multiple devices registered as multiple digital keys by storing first information related to the digital keys. The vehicle includes a user interface, a storage device storing second information related to the digital keys, and processing circuitry. The processing circuitry is configured to, when receiving, via the user interface, a deletion operation for deleting a digital key to be deleted that is at least one of the digital keys, set a state of the digital key to be deleted to a phase-out state in which the digital key to be deleted is deleted when a prescribed condition is satisfied, and delete the second information related to the digital key to be deleted from the storage device when the prescribed condition is satisfied.

A management system, a vehicle manager, a deletion management method, and a program are provided. Under a condition in which a predetermined specified condition (RC) is satisfied, processing circuitry deletes (S69) a deletion subject digital key (DK2) included in multiple digital keys to a vehicle (20). When deleting (S69) the deletion subject digital key (DK2), a group key deletion process (S70) is executed to delete one or more digital keys (DK3, DK4) registered based on the deletion subject digital key (DK2). If the vehicle (20) authenticates (S81: YES) at least one of the one or more registered digital keys (DK3, DK4), the group key deletion process (S70) is not executed

An in-vehicle apparatus is mounted on a vehicle configured to be controlled by multiple digital keys. The digital keys are respectively registered to multiple devices. The devices are respectively held by holders. The in-vehicle apparatus includes processing circuitry and a display. Digital key information relates to each digital key and includes information indicating the holder of the device corresponding to each digital key. When displaying the digital key information on the display, the processing circuitry displays only the digital key information about some of the holders among all of the digital key information regarding the vehicle.

A management server, a deletion management method, and a program are provided. Under a condition in which a predetermined specified condition (RC) is satisfied (S64), server processing circuitry (71) deletes (S84, S85) a deletion subject digital key (DK2) and a digital key (DK3, DK4) registered based on the deletion subject digital key (DK2). The server processing circuitry (71) registers (S87) a new digital key (DKX) of the vehicle (20). The new digital key (DKX) is registered to a device (30C), to which the digital key (DK3) registered based on the deletion subject digital key (DK2) was registered. The deletion subject digital key is deleted under a condition in which the specified condition (RC) is satisfied (Fig. 10).

The present disclosure relates to a display control device, a display control method, and a non-transitory storage medium. The display control device controls at least one in-vehicle display (6), and includes a processor (30) that decreases visibility of the at least one display (6), in response to a user input from a user of a vehicle. The at least one display (6) includes a meter display (62).

A method for manufacturing an energy storage module including a plurality of energy storage cells stacked along a first direction and at least one heat insulating member disposed between two adjacent ones of the energy storage cells includes: a pressing step of pressing, in a thickness direction of the heat insulating member, at least a region of the heat insulating member that includes a non-identical position portion, the non-identical position portion being a portion overlapping, in the first direction, a portion of at least one of the energy storage cells adjacent to the heat insulating member in which no electrode is accommodated; and a placing step of placing the heat insulating member such that the portion of at least one of the energy storage cells adjacent to the heat insulating member in which no electrode is accommodated overlaps, in the first direction, a pressed portion of the heat insulating member.

A manufacturing device configured to manufacture a pressure tank by winding a fiber bundle around a surface of a liner that is a hollow body includes an impregnation mechanism configured to impregnate the fiber bundle with resin before the fiber bundle is wound around the liner. The impregnation mechanism includes: a first surface along which the resin is supplied to the fiber bundle before the fiber bundle is wound around the liner; and a second surface that faces the first surface and sandwiches the fiber bundle between the first surface and the second surface before the fiber bundle is wound around the liner.

The vehicle mode control device for controlling a mode of a vehicle (1), includes a mode setting part (34) configured to set the mode of the vehicle (1) to a state maintenance mode for maintaining a vehicle state in which power is supplied to an air conditioner (7) of the vehicle (1) and a display in the vehicle (1) but not to a drivetrain of the vehicle (1) based on an instruction from a user of the vehicle (1), and a charge state detection part (35) configured to detect a charge state of a main battery (14) of the vehicle (1). The mode setting part (34) is configured to allow execution of the state maintenance mode regardless of a value of an SOC of the main battery (14), when the main battery (14) of the vehicle (1) is being charged.

The vehicle mode control device for controlling a mode of a vehicle (1), includes a mode setting part (34) configured to set the mode of the vehicle (1) to a state maintenance mode for maintaining a vehicle state in which power is supplied to an air conditioner (7) of the vehicle (1) and a display in the vehicle (1) but not to a drivetrain of the vehicle (1) based on an instruction from a user of the vehicle (1), and a threshold setting part (35) configured to set a threshold of a parameter related to a remaining charge amount of a main battery (14) of the vehicle (1) based on input by the user. The mode setting part (34) is configured to end the state maintenance mode when the parameter falls to the threshold.

A system (50) for adjusting braking force of a moving object (100) that runs by unmanned driving includes a control device (200) and a braking adjustment unit (132). The control device (200) is provided outside of the moving object (100) and transmits through communication a signal for controlling the unmanned driving to the moving object (100). The braking adjustment unit (132) is installed to the moving object (100) and transmit, to a braking device of the moving object, a control signal for generating an emergency braking force when the communication between the control device (200) and the moving object (100) is impossible. The control signal have a command value. The braking adjustment unit adjusts the command value in accordance with an environment in which the moving object is running.

An electric motor (100; 200) disclosed includes a cylindrical stator (3) and a ring-shaped refrigerant pipe (10). The ring-shaped refrigerant pipe (10) is disposed to be coaxial with the stator (3). The refrigerant pipe (10) has discharge ports (11) which face the stator (3) and from which refrigerant is discharged, and a refrigerant inlet (12; 212). The refrigerant inlet (12; 212) is positioned below the discharge ports (11).

An electric vehicle (10) includes a battery pack (14) and a charging port (30). The battery pack (14) is disposed below a floor panel (12). The charging port (30) is disposed in a side surface of the electric vehicle (10) and above the battery pack (14). The battery pack (14) and the charging port (30) are electrically connected to each other by a cable (53). The cable (53) is routed from the charging (30) port downward and then inward along a wheel well (23), and further extends from the lower end of the wheel well (23) toward the battery pack (14) at a position below the floor panel (12) and is connected to the battery pack (14).

An electric vehicle (10) includes two thermal modules (18, 19), a refrigerant module (19) configured to distribute an air-conditioning refrigerant and a coolant module (18) configured to distribute a coolant, installed in front of an electric drive unit (15) inside a front compartment (13). Two high-voltage units (20, 21), including a power distribution unit (20) and an on-board charging unit (21), are stacked one above another and arranged above the electric drive unit (15) so that the power distribution unit (20) connected to the electric drive unit (15) by a cable (23) having a larger diameter is located at a lower position than the on-board charging unit (21) connected to the electric drive unit (15) by a cable (24) having a smaller diameter.

An electric motor (100) disclosed includes: a stator (3) that has a cylindrical shape; and a refrigerant pipe (10) that has a ring shape and that is disposed coaxially with the stator (3). The refrigerant pipe (10) includes an ejection hole (11) that faces the stator (3), an inflow hole (12) through which a refrigerant flows into the refrigerant pipe (10), and a discharge hole (13) through which the refrigerant is removed from the refrigerant pipe (10). The discharge hole (13) is positioned below the ejection hole (11) and the inflow hole (12).

An electric vehicle (10) includes a passenger compartment and a front compartment (10B). The front compartment (10B) is disposed forward of the passenger compartment. A first electric power controller (13B) is disposed in the front compartment. A battery pack (14) is disposed below a floor panel, which forms the floor surface of the passenger compartment. A second electric power controller (17B) is disposed rearward of the battery pack (14). The battery pack (14) includes a first connection portion and a second connection portion. The first connection portion and the first electric power controller (13B) are electrically connected by a first cable (51). The second connection portion and the second electric power controller (17B) are electrically connected by a second cable (52).

An exhaust monitoring apparatus includes an exhaust purification device that removes nitrogen oxides, and a nitrogen oxide sensor that measures a concentration of nitrogen oxides contained in exhaust gas that has passed through the exhaust purification device. The exhaust monitoring apparatus acquires upstream and downstream concentrations. The upstream concentration is a concentration of nitrogen oxides contained in exhaust gas flowing into the exhaust purification device. The downstream concentration is an output value of the sensor. When the downstream concentration is greater than an upper limit value calculated from the upstream concentration, the exhaust monitoring apparatus outputs a processed concentration obtained by replacing the downstream concentration with the upper limit value, as a value indicating the concentration of the nitrogen oxides contained in the exhaust gas that has passed through the exhaust purification device.

Provided is a composite cathode active material configured to decrease the rate of resistance increase that is due to battery charge and discharge, the composite cathode active material comprising a cathode active material, a compound A comprising La, Ni and O, and a compound B comprising Li, W and O, wherein the cathode active material is a crystalline primary particle comprising Li, a transition metal and O; wherein the cathode active material is a single-crystal type active material comprising the primary particle; wherein the compound B is present in a coating layer form on at least part of a surface of the primary particle; and wherein the compound A is independently present as isolated particles.

A main object of the present disclosure is to provide a cathode active material with which the increase in resistance in storage is reduced. The present disclosure achieves the object by providing a cathode active material including: a crystalline primary particle containing Li, TM, which is a transition metal, and O, wherein the cathode active material is a single crystalline active material configured by the primary particle; and the cathode active material includes a compound A containing La, Ni, and O, a compound B containing Li, W, and O, and a compound C containing Li, B, P, and O, on a surface of the primary particle.

A battery device (20) has: a battery module (60) having plural battery cells (48) that are lined-up in a predetermined direction, and a module case (42) that houses the plural battery cells; a heat-resistant insulating member (65) attached to the battery module so as to cover first smoke vent holes (46) formed in the module case, and including a connecting portion (74) having an insertion groove (79); and a fixing member (85) detachably fit in the insertion groove and supported by a fixed body (24).

A management server (40) performs charging management of a battery (23) of a vehicle (20). The management server includes an execution device (43). The execution device (43) performs the specific process, which is not performed when charging-power tapering control is not being performed, upon detecting that the vehicle has performed charging-power tapering control on the battery being charged. When the vehicle performs charging-power tapering control, the execution device performs charging management after performing the specific process.

A computer-implemented method for tracking a facial expression of a subject in a series of images comprising: (S10) generating a mesh of the subject from a 3D parametric morphable model conditioned by tracking parameters representative of a facial expression of the subject; (S20) generating a rendered image of the subject based on the mesh using a differentiable renderer; wherein the differentiable renderer is associating 3D geometric primitives to the mesh of the subject using predetermined renderer parameters; (S30) computing a photometric loss term evaluating differences between the rendered image and a ground-truth image of the subject extracted from the series of images; and (S40) optimizing the tracking parameters and the renderer parameters of the 3D parametric morphable model using the photometric loss.

The invention relates to a computer implemented method for training a neural network for generating a representation of a camera the method comprising:inputting one image of a scene acquired by said camera to the neural network, said neural network being configured to determine an angular representation of a bundle of straight lines passing through an optical center of the camera, each straight line representing a viewing direction of a pixel of the camera.

A motion manager includes a receiving unit, an instruction output unit, and a notification output unit. The receiving unit receives, from application software, a stationary-state hold request as a motion request for holding a vehicle in a stationary state. The instruction output unit sends, on condition that the receiving unit received the stationary-state hold request, an instruction signal to a hydraulic brake of the vehicle for actuating the hydraulic brake. The notification output unit sends a notification signal to a notification device, installed in the vehicle, for prompting the driver to perform a driving operation if a specified condition, determined in advance, for holding the vehicle in the stationary state is not satisfied and the hydraulic brake is in a de-actuated state when the receiving unit receives the stationary-state hold request.

A plurality of communication devices is configured to have physical-layer collision avoidance functionality. A management device (20) includes processing circuitry (21) and a storage device (22). When a change occurs in powering status of power supply equipment for the communication devices in a communication network system (40), the processing circuitry (21) confirms, through communication in a first aspect with the communication devices, whether the communication devices are available for communication. After confirming that the communication devices being powered are available for communication, the processing circuitry (21) switches a communication setting on each of the communication devices and the management device (20) from a first setting for communication in the first aspect to a second setting for performing communication in a second aspect in which a time limit is longer than in communication in the first aspect.

Communication devices (10) exchange pieces of data each including an identifier. The identifier indicates a priority rank and is in a format of either a first format or a second format. When transmitted pieces of data collide, the communication device (10) executes an arbitration process of comparing the identifier included in first data it is transmitting and the identifier included in the other colliding second data. When the communication device (10) transmits data including the identifier in the second format and that data collides with other data, the communication device (10) executes the arbitration process while executing a correction process of correcting the identifier such that the data it is transmitting has a lower priority rank than the other data. When the communication device (10) transmits data including the identifier in the first format and that data collides with other data, the communication device (10) executes the arbitration process without executing the correction process.

An anode configured to decrease the rate of area increase in planar direction which is due to battery charge and discharge, the anode comprises an anode collector and an anode layer on at least one surface of the anode collector; the anode layer comprises a carbon composite material comprising Si and a carbon material having an aspect ratio of more than 1; the carbon composite material is carbon composite material particles; and, of the carbon composite material particles contained in the anode layer, a percentage of first carbon composite material particles that an angle θ formed by the surface of the anode collector and a line of the carbon composite material particles in long axis direction is 50° or more and 90° or less, is more than 35%.

A positive electrode active material includes a secondary particle (2), wherein: the secondary particle (2) includes a first particle group, a second particle group, and a carbon layer (1c); each of the first particle group and the second particle group is composed of primary particles (1); the first particle group has a larger average particle diameter than the second particle group; the primary particles contain an olivine-type compound; the carbon layer (1c) covers at least part of a surface of the primary particle (1) and satisfies a relationship of T<B> < T<A> where T<A> represents an average thickness of the carbon layer (1<C>) on the primary particles (1) belonging to the first particle group; and T<B> represents an average thickness of the carbon layer (1c) on the primary particles (1) belonging to the second particle group.

An anode configured to decrease the rate of expansion in thickness direction which is due to battery charge and discharge, the anode comprises an anode collector and an anode layer on at least one surface of the anode collector; the anode layer comprises a carbon composite material comprising Si and a first carbon material having an aspect ratio of more than 1, and a second carbon material having an aspect ratio of more than 1; the carbon composite material is carbon composite material particles; the second carbon material is second carbon material particles; and, of the carbon composite material particles contained in the anode layer, a percentage of those that an angle θ formed by the surface of the anode collector and a line of the carbon composite material particles in long axis direction is 50° or more and 90° or less, is 62% or more.

A main object of the present disclosure is to provide a cathode layer for a lithium ion battery, with which the resistance increase of a battery due to charge and discharge can be suppressed. The present disclosure achieves the object by providing a cathode layer to be used in a lithium ion battery, the cathode layer including: single crystalline active material configured by a crystalline primary particle containing Li, TM, which is a transition metal, and O as a cathode active material, wherein in a cross-section observation image of the cathode layer by a scanning electron microscope, the single crystalline active material includes a long side and a short side, an angle formed by the long side and the short side is 60° or more and 120° or less, and an aspect ratio which is a ratio of length of the long side to the short side is 1.2 or more, the long side of the single crystalline active material extends along (003) surface, and a ratio N<B>/N<A> of a number N<B> of the single crystalline active material of which inclination of the long side direction to in-plane direction of the cathode layer is 0° or more and 30° or less, with respect to a number N<A> of the single crystalline active material is 50% or more.

A vehicle seat includes a seatback that is tiltable backward; and a headrest provided at the seatback. In a case in which a backward tilting angle of the seatback is at least a predetermined angle and a frontal collision of the vehicle is predicted, the headrest is configured to move toward a seat front-upper side relative to the seatback.