Volvo Cars Patente

A method of controlling a traction inverter of an electric machine including receiving a torque estimation from a torque meter connected to the traction inverter; receiving a parameter data of a power semiconductor of the traction inverter semiconductor monitor; determining a health prediction of the power semiconductor based on the parameter data; determining an operating mode of the traction inverter based on the torque estimation, a parameter data of a power semiconductor and the health prediction of a power semiconductor; and generating a control instruction based on the operating mode, wherein the control instruction includes a first gate control of a gate of the traction inverter, a second gate control of a plurality of gates of the power semiconductor, or a current control of a current to the power semiconductor.

A method of controlling a traction inverter of an electric machine including receiving a torque estimation from a torque meter based on hardware or software connected to the traction inverter; receiving a parameter data of a power semiconductor of the traction inverter semiconductor monitor; determining a health prediction of the power semiconductor based on the parameter data; determining an operating mode of the traction inverter based on the parameter data, the health prediction, and the torque estimation; and generating a control instruction based on the operating mode, wherein the control instruction includes a gate control of a gate of the traction inverter, a current control of a current to the power semiconductor, or a flow control to control a distribution of cooling fluid to the power semiconductor.

Techniques for automated overlay correction of steering angle with minimal driver interference are provided. In an example, a method comprises determining, by a system onboard a vehicle comprising a processor, a level of awareness of a driver. The method can further comprise detecting, by the system, a hazard. The method can further comprise regulating, by the system, lateral control of the vehicle based on the detected hazard and determined level of awareness of the driver.

The disclosure relates to a method for operating a steering system for a vehicle, wherein the steering system is operable in at least two steering capability modes, each steering capability mode characterized by at least one steering capability limit, wherein the method comprises: obtaining data indicative of the steering system reaching the steering capability limit of a steering capability mode of the at least two steering capability modes; and in response to obtaining the data, causing a corresponding feedback to the driver via a torque of a steering wheel of the car. Further, the present disclosure relates to a corresponding data processing apparatus, a corresponding computer program, and a corresponding computer-readable storage medium. Additionally, the present disclosure relates to a steering system for a vehicle and to the vehicle.

The disclosure relates to a method for estimating friction between a drivable surface and a tire of a vehicle and to a method for controlling the vehicle. The disclosure relates to a data processing apparatus, computer program, and computer-readable storage medium, each arranged for executing at least one of the methods, and to the vehicle. The estimating of the friction comprises: obtaining, during first phase of friction probing, first data comprising plurality of data items forming time series and indicating tire forces; obtaining, during second phase of friction probing, second data comprising plurality of data items forming time series and indicating tire forces; performing comparison of the first and second data with regard to reference data associated with at least one reference between the drivable surface and the tire of the vehicle; and indicating, based on result of the comparison, the friction between the drivable surface and the tire.

A power module comprises a positive direct current terminal (DCP), a negative direct current terminal (DCN), a neutral terminal (N) and an alternating current terminal (AC). The positive direct current terminal (DCP) is connected to the alternating current terminal (AC) via a first switching element (S1). The neutral terminal (N) is connected to the alternating current terminal (AC) via a third switching element (S3) and a second switching element (S2). The negative direct current terminal (DCN) is connected to the alternating current terminal (AC) via a fourth switching element (S4). The power module further comprises a top substrate (311) and a bottom substrate (312) facing the top substrate (311). At least one of the switching elements (S1, S2, S3, S4) is fixed to the top substrate (311) and at least one of the switching elements (S1, S2, S3, S4) is fixed to the bottom substrate (312).

A power supply device comprises a secondary inductor (Ls) configured to form a transformer with a primary inductor (Lp). A first terminal of the secondary inductor is electrically connected to a second terminal of the secondary inductor via a second capacitor (C2), a inductor (Lc), and a third capacitor (C3), electrically connected in series. Two terminals of the third capacitor (C3) are electrically connected to respective output terminals to provide an output voltage (Vout). Two terminals of the third capacitor (C3) are electrically connected to the respective output terminals via an electronic network comprising a plurality of diodes (D1, D2) and a plurality of further capacitors (C4, C5, Cout). The power supply device may be implemented on a single chip or a dual chip.

The disclosure relates to a sensor assembly (26) for a battery cell string (22) of a battery assembly (18) for a vehicle. The sensor assembly (26) comprises a plurality of first sensors (28) each configured to measure an electric current. Each first sensor (28) is associateable to a single battery cell (20) or a group of battery cells of the battery cell string (22). The sensor assembly (26) further comprises a second sensor (30) configured to measure an electric current. The second sensor (30) is associateable to the battery cell string (22). The first sensors (28) and the second sensor (30) have different measurement accuracies. The first sensors (28) and the second sensor (30) are communicatively connected. Additionally, a battery assembly (18) for a vehicle is described. Furthermore, a vehicle is shown. Also, a method for controlling a sensor assembly (26) is presented.

The disclosure relates to an airbag assembly (24) for alleviating an impact of a vulnerable road user on a vehicle (10). The airbag assembly (24) comprises a first inflatable airbag portion (26) storable in a front portion (14) of the vehicle (10) and deployable over a first a-pillar (20) of the vehicle (10) and a second inflatable airbag portion (28) storable in a front portion (14) of the vehicle (10) and deployable over a second a-pillar (22) of the vehicle (10). The airbag assembly (24) further comprises a non-inflatable holding means (46) interconnecting the first inflatable airbag portion (26) and the second inflatable airbag portion (28). The holding means (46) is storable in the front portion (14) of the vehicle (10) and extendable over a portion of a windscreen (16) of the vehicle (10) when the first inflatable airbag portion (26) and the second inflatable airbag portion (28) are in a deployed state (36, 40). Additionally, a vehicle (10) is described. Also, a method for operating an airbag assembly (24) for a vehicle (10) is presented.

The disclosure relates to a rear part structure (10) for a vehicle body, wherein the rear part structure (10) comprises a base portion (20) and two wheelhouse portions (30) for partially housing a wheel therein, the base portion (20) extending between the two wheelhouse portions (30), wherein at least one of the wheelhouse portions (30) comprises one or more support members (40) for supporting a floor support structure (60) for supporting the luggage compartment floor (70) thereon, and wherein the wheelhouse portions (30), the base portion (20) and the one or more support members (40) are integrally formed with one another.

The disclosure relates to an airbag assembly (24) for alleviating an impact of a vulnerable road user on a vehicle (10). The airbag assembly (24) comprises a first airbag (26) storable in a front portion (14) of the vehicle (10) and deployable over only one of a first a-pillar (20) and a second a-pillar (22) of the vehicle (10). The airbag assembly (24) further comprises a first holding means (46) for restricting a movement of the first airbag (26) when in the deployed state (38). The first holding means (46) has a first end (52) connected to the first airbag (26) and a second end (54) connectable to the front portion (14) of the vehicle (10). Additionally, a vehicle (10) is described. Also, a method for operating an airbag assembly (24) is presented.

The disclosure relates to a stator assembly (20) for a dual rotor electric machine (14) for a drive unit of a vehicle. The stator assembly (20) comprises a first stator (22) extending along a first axis and a second stator (32) extending along the first axis. The second stator (32) is arranged radially inside the first stator (22). The first stator (22) and the second stator (32) are rotationally fixed with respect to one another. A plurality of coolant channels (44) extending along the first axis are interposed between the first stator (22) and the second stator (32). Additionally, a dual rotor electric machine (14) for a drive unit of a vehicle is described. Furthermore, a coolant distribution sleeve (42) for a stator assembly (20) is shown.

A pothole warning method for a vehicle is provided. The method comprises the steps of acquiring wheel-related parameters and suspension-related parameters during driving of the vehicle; identifying a pothole on a road on which the vehicle is traveling and a severity level of the pothole based on the wheel-related parameters and the suspension-related parameters; generating pothole event information based on the identification result, the pothole event information comprising a location of the identified pothole, a severity level of the identified pothole, and a time at which the pothole was identified; and transmitting the pothole event information to at least one of a cloud server, another vehicle, or a roadside facility.

The disclosure relates to a pushrod (3) comprising a first pushrod component (1) and a second pushrod component (2), wherein a flexible plug element (121) of the first pushrod component (1) is non-reversibly engaged with a socket element (221) of the second pushrod component (2).

A screw (100) for a vehicle wheel (10), comprising a threaded portion (110) and a head portion (120) comprising a first lock segment (130) with a first lock pattern (131) and a second lock segment (140) with a second lock pattern (141), wherein the second lock pattern is configured for torque transfer from the head portion to the threaded portion when engaged with a matching second key pattern (241) of a key (200), and wherein the first lock segment at least partially obstructs access to the second lock segment such that the second lock segment cannot be engaged by the key without engagement of the first lock pattern by a matching first key pattern (231) of the key.The invention further relates to a key (200) for a screw (100), a vehicle wheel (10) and a set of screw (100), key (200) and/or vehicle wheel (10).

The disclosure relates to a bushing (100) for a joint assembly (10) for a vehicle suspension (1), the bushing (100) comprising: - an inner cylinder portion (110) for receiving a pivot element (300) of the joint assembly (10), wherein the inner cylinder portion (110) comprises a longitudinal extension along a longitudinal axis (A) and two end faces (112) located at opposite longitudinal ends (111) of the inner cylinder portion (110); - an outer cylinder portion (120) surrounding the inner cylinder portion (110); and - an elastic portion (130) arranged between the inner cylinder portion (110) and the outer cylinder portion (120); wherein at least one of the longitudinal ends (111) of the inner cylinder portion (110) comprises a protruding segment (113), the protruding segment (113) extending in height (H<113>) in a direction of the longitudinal axis (A), protruding in height (H<113>) beyond one of the end faces (112), and extending in length (L) circumferentially about the longitudinal axis (A).

The disclosure relates to a method (100) for controlling energy consumption of an electric vehicle (10) during an idle state of the electric vehicle (10), the method (100) comprising: - obtaining idle state data indicative of the electric vehicle (10) being in an idle state; wherein, if the electric vehicle (10) is in an idle state, the method (100) further comprises: - providing a plurality of options (1) for user selection, each one of the options (1) being indicative of one or more settings (2) for controlling energy consumption of the electric vehicle (10) during the idle state; - obtaining a user selection of one of the provided options (1); and - providing control data for controlling the energy consumption of the electric vehicle (10) based on the user selection.

The disclosure relates to a bolt (64) for connecting two components of a vehicle chassis. The bolt (64) comprises a bolt shaft (74) and a bolt head (72). The bolt shaft (74) comprises a first fitting portion (86), and a second fitting portion (88). The first fitting portion (86) and the second fitting portion (88) are located at a distance from one another. The distance extends along an axial direction (66) of the bolt shaft (74). Moreover, the disclosure relates to a connection between a first component of a vehicle chassis and a second component of a vehicle chassis. This connection comprises the bolt (64). Furthermore, the disclosure relates to a method for establishing a connection between a first component of a vehicle chassis and a second component of a vehicle chassis using the bolt (64).

The disclosure relates to a component (22) for a vehicle chassis. The component (22) comprises a first connection portion (28) pivotably attachable to a vehicle structure or another chassis component. Moreover, the component (22) comprises a second connection portion (30) pivotably attachable to a vehicle structure or another chassis component. Furthermore, the component (22) comprises a body portion (32) structurally interconnecting the first connection portion (28) and the second connection portion (30). A wheel bearing interface (26) for connecting a wheel bearing part is provided on the body portion (32). The body portion (32) comprises a hollow (34) having a depth extension larger than a largest diameter of the hollow (34) and being undercut-free along a straight direction extending in parallel to the depth extension. The disclosure further relates to a suspension system for a road wheel of a vehicle comprising the component (22). Finally, the disclosure is directed to a core (60) for manufacturing a component (22) for a vehicle chassis, to a use of the core (60) for manufacturing a component (22) for a vehicle chassis and to a method for manufacturing a component (22) for a vehicle chassis.

The disclosure relates to a method for determining a need for cleaning a brake disc (18) or a brake drum. In a first step of this method first data (54) indicative of an environmental condition of the brake disc (18) or the brake drum is obtained. Additionally, one method for estimating a corrosion condition of the brake disc (18) or the brake drum out of at least two methods for estimating a corrosion condition of the brake disc (18) or the brake drum is selected based on the first data (54). In a further step, second data (51) indicative of a corrosion condition of the brake disc (18) or the brake drum is obtained using the selected method for estimating a corrosion condition of the brake disc (18) or the brake drum. Subsequently, a need for cleaning the brake disc (18) or the brake drum is obtained based on the second data (S4). Additionally, a method for operating a brake system is presented which comprises determining a need for cleaning a brake disc or a brake drum. Moreover, a data processing device is explained. Further, a computer program and a computer-readable storage medium is presented. Additionally, a vehicle comprising said data processing device is explained.

The disclosure relates to a method for assisting a driver of a vehicle via a head-mounted portable system, wherein the method comprises: obtaining information indicative of a surrounding of the vehicle; causing outputting, via the head-mounted portable system, at least one spatial indication associated to at least a portion of the surrounding, wherein the spatial indication comprises an audible and/or visual spatial indication. The disclosure further relates to a corresponding data processing apparatus, a corresponding computer program, and a corresponding computer-readable storage medium. Additionally, the disclosure relates to a head-mounted portable system, a vehicle, and a system comprising the head-mounted portable system and the vehicle.

Techniques for centralized management of signal verification of protected data messages are described. A computer-implemented method, performed by a data processing device of a system comprising a plurality of nodes respectively connected to one another via a communication framework, can comprise intercepting protected data messages sent by one or more sender nodes of the plurality of nodes via the communication framework and directed to one or more receiver nodes of the plurality of nodes, the protected data messages being configured in accordance with a secure communication protocol. The method further comprises performing a validation process of the secure communication protocol to validate the protected data messages sequentially in time as intercepted over time, extracting data content from respective messages of the protected data messages in response to successful validation of the respective messages, and providing the data content to the one or more receiver nodes via the communication framework.

The disclosure relates to a connector (30) for fluidically connecting an inter-cell coolant channel (24) to a piping system (50) of a battery cooling system (20) for a vehicle. The connector (30) comprises a connection interface (32) for fluidically connecting the connector (30) to the inter-cell coolant channel (24), an inlet port (38) for supplying coolant to the connector (30), and an outlet port (42) for discharging coolant from the connector (30). The inlet port (38) is fluidically connected to the connection interface (32). The outlet port (42) is fluidically connected to the connection interface (32). The inlet port (38) and the outlet port (42) are arranged on a same side of the connector (30). Additionally, a cooling assembly (22) for a battery cooling system (20) for a vehicle is described. Furthermore, a battery assembly (16) for a vehicle is shown. Also, a vehicle is presented.

The disclosure relates to a battery cell (14) for a battery pack of a vehicle. The battery cell (14) comprises a chemically active portion (20) comprising an anode, a cathode, and a separator. Moreover, the battery cell (14) comprises an enclosure (18), wherein the chemically active portion (20) is arranged inside the enclosure (18). Furthermore, the battery cell (14) comprises at least one thermally conductive bridge element (36) thermally coupled to the chemically active portion (20) and the enclosure (18) such that the thermally conductive bridge element (36) may transfer heat from the chemically active portion (20) to the enclosure (18). The disclosure is also directed to a vehicle comprising the battery cell (14) and to a method for manufacturing the battery cell (14) for the battery pack of the vehicle.

A method for a vehicle is provided, wherein the vehicle comprising two clutches on an axle and arranged to transmit propulsion torque generated by a propulsion actuator to two wheels of the vehicle on the axle, the two clutches being connected to the propulsion actuator, the method comprising: determining first data indicative of a difference between a first speed at which one of the two wheels rotate and a second speed at which the other one of the two wheels rotate, wherein the first data is determined based on a track width and a yaw rate of the vehicle, determining second data indicative of a slip force based on the first data and a tire longitudinal stiffness of any of the two wheels, and determining third data indicative of a coupling torque based on the second data and a radius of any of the two wheels.

The disclosure relates to a method for protecting a wheel (12, 14) of a vehicle from being damaged by a roadway boundary (20). The method comprises obtaining first data (D1) indicative of the roadway boundary (20). The method further comprises obtaining second data (D2) indicative of a likelihood of a collision between the roadway boundary (20) and the wheel (12, 14) based on the first data (D1). Moreover, the method comprises causing a notification (N) for a user of the vehicle (10) if the likelihood exceeds a predefined first likelihood threshold. The notification (N) is indicative of at least one of a specific wheel (12, 14) of the vehicle (10) risking collision with the roadway boundary (20), a distance (D) between the specific wheel (12, 14) of the vehicle (10) and the roadway boundary (20), and a difference between the likelihood of a collision and the predefined first likelihood threshold. The disclosure is also directed to a data processing apparatus (58), to a computer program (66) and to a computer-readable storage medium (64). Finally, the disclosure is directed to a system (36) for protecting a wheel (12, 14) of a vehicle (10) from being damaged by a roadway boundary (20).

A cooling ring for an electric machine, the cooling ring including a first portion with an exterior surface having a first end and a second end, and a hollow interior extending along a longitudinal axis of the cooling ring, wherein the hollow interior is configured to encompass a first end of a stator; and a shoulder at the first end of the first portion extending radially outward, wherein the shoulder comprises an axial opening extending in a first direction, wherein the first direction is substantially parallel to the longitudinal axis of the cooling ring.

The disclosure relates to a method for detecting an anomaly in one or more battery cells (16) of a plurality of battery cells (16) for a vehicle (10). The method comprises obtaining first data (D1) indicative of a deviation (dSoC) of a state of charge per battery cell (16) of at least a subset (18) of the plurality of battery cells from a first statistical parameter. The method also comprises obtaining second data (D2) indicative of a deviation (dSoH) of a state of health per battery cell (16) of the subset (18) of battery cells from a second statistical parameter. Moreover, the method comprises obtaining third data (D3) indicative of a statistical distance measure per battery cell (16) of the subset (18) of battery cells, based on the first data (D1) and based on the second data (D2). Furthermore, the method comprises providing fourth data (D4) indicative of an anomaly for one or more battery cells (16) associated with the statistical distance measure. The disclosure is also directed to a method for controlling a battery assembly (12) for a vehicle (12). Moreover, the disclosure relates to a data processing apparatus (24), a computer program (32), a computer-readable storage medium (30), a vehicle (10), and to a use of a statistical distance measure for detecting an anomaly in one or more battery cells (16).

The disclosure relates to an airbag (24) for a vehicle. The airbag (24) comprises an envelope (26) at least partially delimiting a gas volume in a deployed state (30) of the airbag (24). The envelope (26) comprises a contact surface (32) configured to contact the vehicle occupant (12) to be protected by the airbag (24). At least a portion of the contact surface (32) has directional slipping properties. The slipping properties in a lateral direction (B) are associated with a higher slipping resistance than the slipping properties in a non-lateral direction (C). Additionally, an airbag module (22) and a vehicle are described.

The disclosure relates to a holding device (20) for one or more battery cells (16) for a vehicle. The holding device (20) comprises a frame member (22), a first interface (24), and at least one second interface (26). The first interface (24) is provided on the frame member (22). The first interface (24) is configured for mechanically connecting an electric busbar (32) or a collector plate to the frame member (22). The at least one second interface (26) is also provided on the frame member (22). The at least one second interface (26) is configured for mechanically connecting at least one electric converter unit (28) to the frame member (22). The at least one second interface (26) and the first interface (24) are overlap-free. Additionally, a connection assembly (18) for one or more battery cells (16) for a vehicle is described. Furthermore, a battery assembly (12) for a vehicle is shown. Also, a method for manufacturing a battery assembly (12) for a vehicle is presented.

The invention relates to a method (100) for operating a brake system (10) of a vehicle (1), the brake system (10) comprising at least one friction brake (11), the method (100) comprising:- obtaining condition data indicative of a condition of the at least one friction brake (11); and- providing a control instruction for controlling operation of the at least one friction brake (11) based on the condition data, the control instruction being configured to operate the at least one friction brake (11) and a propulsion system (40) of the vehicle (1) such that the operation of the at least one friction brake (11) is being at least partially compensated by the operation of the propulsion system (40).

The disclosure relates to a method (100) for operating a brake system (10) of a vehicle (1), the brake system (10) comprising at least one friction brake (11), the method (100) comprising: - obtaining brake operation data indicative of a brake pressure and/or a brake torque of the at least one friction brake (11) from at least one brake operation of the at least one friction brake (11), - obtaining deviation data indicative of a deviation of the brake pressure and/or the brake torque based on the brake operation data, - obtaining state of corrosion data indicative of a state of corrosion of the at least one friction brake (11) based on the deviation data, and - providing a control instruction for the brake system (10), the control instruction being configured to control operation of the at least one friction brake (11) based on the state of corrosion data.

An airbag support for an unconventional steering wheel (22) comprises a rigid support element (26) moveable between a first position and a deployed position where the rigid support element is positioned to support a deployed airbag (24); and an actuation mechanism configured to move the rigid support element from the first position to the deployed position upon actuation.

The disclosure relates to a method for providing a description of a functionality of a vehicle (10) to a user (24) of the vehicle (10). The method comprises obtaining first data (D1) indicative of a current user behavior. The method also comprises obtaining second data (D2) indicative of a historic user behavior. The historic user behavior is associated with the user (24) located inside the vehicle (10) while the vehicle (10) is in a non-driving mode. Moreover, the method comprises determining a likelihood (LH) that the user will stay inside the vehicle (10) while the vehicle (10) is in the non-driving mode based on the first data (D1) and based on the second data (D2). Furthermore, the method comprises triggering a provision of the description of the functionality of the vehicle (10), if said determined likelihood (LH) exceeds a predefined likelihood threshold. The disclosure also relates to a data processing apparatus (34), a computer program (44), and to a computer-readable storage medium (42) for executing said method. Finally, a vehicle (10) comprising said data processing apparatus (34) is described.

The disclosure relates to a battery cell component (22) for a battery cell (14) of a vehicle. The battery cell component (22) comprises an elongated core element (24) extending along a direction of extension (A) and being electrically conductive. The battery cell component (22) further comprises a first electrode sheet (36). The first electrode sheet (36) is electrically coupled to the elongated core element (24). The first electrode sheet (36) is windable or wound around the elongated core element (24). Additionally, a battery cell (14) for a vehicle is described. Furthermore, a method for manufacturing a battery cell component (22) or a battery cell (14) is shown. Also, a vehicle is described.

The disclosure relates to a rear-view device (10) for a vehicle (100), the rear-view device (10) comprising an indication unit (20) configured for a first vehicle function (F 1), the first vehicle function (F1) being to indicate a situation in an environment of the vehicle (100) provided by a driver information system (40) of the vehicle (100), wherein the indication unit (20) is further configured for a second vehicle function (F2) different from the first vehicle function (F1).

The disclosure relates to a rear-view device (10) for a vehicle (100), the rear-view device (10) comprising at least one indication unit (20) configured to provide an indication of a state of one or more systems (50, 60, 70, 80, 90) of the vehicle (100) depending on a standstill state of the vehicle (100).

A measurement assembly (24) for determining a characteristic of a rotating part (18) of a rotating system (10) for a vehicle is described. The measurement assembly (24) comprises a first unit (26) mountable on a rotating part (18) of the rotating system (10). The first unit (26) comprises an analog-digital converter, a first communication interface, and a first power transmission interface, wherein the analog-digital converter and the first communication interface are communicatively coupled, and wherein the analog-digital converter and the first power transmission interface are electrically coupled. Moreover, at least one sensor (40) is electrically coupled to the analog-digital converter. The measurement system (24) further comprises a second unit (42) mountable on a static part (12) of the rotating system (10). The second unit (42) comprises a second communication interface, and a second power transmission interface. The first communication interface and the second communication interface are wirelessly coupled. Moreover, the first power transmission interface and the second power transmission interface are wirelessly coupled. Additionally, a rotating system (10) for a vehicle, a vehicle, and a method for operating a rotating system (10) are presented.

The disclosure relates to a method for preparing a vehicle (140) for start up. The method comprises obtaining first data (D1) indicative of a sequence of locations (110) of a vehicle user (100). The method further comprising determining, based on the first data (D1), whether the vehicle user (100) intends to use the vehicle (140). The method still further comprising providing second data (D2) indicative of a start up instruction for the vehicle (140) based on a result of the determining. Furthermore, a method for starting up a vehicle, a data processing apparatus, a system, a computer program and a computer-readable storage medium are presented. Additionally, a vehicle is described.

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