Volvo Cars

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.

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.

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.

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 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.

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 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.