Valea AB

The present disclosure relates to a computer system (400) and a method for controlling a transmission (20) of a vehicle, wherein the transmission (20) comprises an output shaft (25) and a set of input shafts (21, 22) comprising at least a first input shaft (21), the transmission being adapted to assume a plurality of transmission configurations, each transmission configuration resulting in a predetermined gear ratio between each input shaft (21, 22) in the set of input shafts and the output shaft (25), and wherein the vehicle comprises a regenerative braking system (30) adapted to convert at least a portion of the vehicle's kinetic energy into electric energy to be fed to an energy storage system (34) of the vehicle during a braking event. The method comprises:- obtaining braking information indicating a required vehicle braking torque for a braking event;- in response to determining that the braking torque deliverable from the regenerative braking system (30) with a currently assumed transmission configuration equals or exceeds the required vehicle braking torque, determining that the currently assumed transmission configuration should be maintained during the braking event and preferably issuing information to the transmission (20) to maintain the currently assumed transmission configuration.

A computer system (700) comprising a processing circuitry (702) configured to handle a work site (100) where a plurality of autonomous vehicles (1) operate is provided.The processing circuitry (702) is configured to obtain work site information indicative of a current state of the work site (100). The processing circuitry (702) is configured to receive a natural language request for one or more tasks to be performed in the work site (100) by the plurality of vehicles (1). The processing circuitry (702) is configured to interpret from the natural language request, by using a machine learning model a request to perform the one or more tasks. The processing circuitry (702) is configured to, based on the interpreted request and the work site information, establish an action plan for the plurality of vehicles (1) to perform the one or more tasks.

A power system (200, 300) comprises at least one battery pack (210) comprising at least one battery cell, a DC link capacitor (220), a DC/AC converter (230), a DC/DC converter (240). The power system (200, 300) is configured to pre-charge the DC link capacitor (220) to a desired DC link voltage level by the DC/DC converter (240) or by the DC/AC converter (230).

Disclosed are a hybrid power system, a control method, a computer system, a program product, and a vehicle. The hybrid power system includes: an engine (1), a motor generator (2), a gearbox (3), a variable displacement hydraulic pump (4), and a battery (5) electrically connected to the motor generator (2), where the gearbox (3) includes a first transmission shaft (6), a second transmission shaft (7), a first gear (8) disposed on the first transmission shaft (6), and a second gear (9) disposed on the second transmission shaft (7), where the first gear (8) is coupled to the second gear (9); a rotation shaft of the motor generator (2) is coupled to one end of the second transmission shaft (7); and the engine (1) is connected to the variable displacement hydraulic pump (4) via the first transmission shaft (6) through 1:1 transmission. The present disclosure can simplify the structure and control of the hybrid power system, improve fuel economy, and reduce costs.

A power system (300) for providing multiple output voltage levels (V1, V2, V3). The power system (300) comprises at least one battery pack (310) and a direct current to direct current (DC/DC) converter (320). The first voltage level (V1) is the DC/DC converter (320) output voltage level, the second voltage level (V2) is the battery pack (310) output voltage level, and the third voltage level (V3) is a sum of the battery pack (310) output voltage and DC/DC converter (320) output voltage.

The present disclosure relates to steering assist system (1) for a marine vessel (75). The system comprising a steering control unit (15) configured for receiving an operator steering command via a steering device (10). The steering control unit (15) is configured to provide feedback (50) to an operator via the steering device (10) in response to a control signal (CS) and a positioning system (30) configured to determine a location of the marine vessel (75). The system comprising a processing circuitry configured to store sea-chart data indicating one or more hazardous location areas (6). The system is configured to determine whether the location of the marine vessel (75) in relation to the one or more hazardous location areas (6) satisfies a predetermined hazard criterion, and in accordance with a determination that the hazard criterion is satisfied, transmit a control signal (CS) to the steering control unit (15). The steering control unit (15) is, upon receipt of the control signal, configured to provide feedback (50) to an operator via the steering device (10).

A battery system (300) for providing multiple output voltage levels (VI, V2, V3). The battery system (300) comprises at least one battery pack (310) and a direct current to direct current (DC/DC) converter (320). The first voltage level (V1) is the DC/DC converter (320) output voltage level, the second voltage level (V2) is the battery pack (310) output voltage level, and the third voltage level (V3) is a sum of the battery pack (310) output voltage and DC/DC converter (320) output voltage.

A computer system (800) comprising processing circuitry (802) configured to control propulsion of a vehicle (2), the vehicle comprising: a power unit (4), configured to propel the vehicle, and an accelerator pedal (6). The processing circuitry (802) is further configured to: obtain information indicative of a position of the accelerator pedal, control propulsion of the power unit (4) based on the information indicative of the position of the accelerator pedal. The processing circuitry is further configured to control the power unit in either a torque control mode or a speed control mode. In the torque control mode, the information indicative of the position of the accelerator pedal is indicative of a target torque of the power unit and the power unit is controlled based on the target torque of the power unit. In the speed control mode, the information indicative of the position of the accelerator pedal is indicative of a target speed (T_s) of the vehicle and the power unit is controlled based on the target speed of the vehicle. The processing circuitry is further configured to, in the torque control mode with the accelerator pedal depressed: determine an instant that an acceleration phase of the vehicle is complete, and in response thereto, switch control from the torque control mode to the speed control mode.

The present disclosure relates to a transmission (1) for a vehicle (100) comprising a first shiftable gear arrangement (10) and a second shiftable gear arrangement (20), and a range gear arrangement (30) drivingly connected to an output shaft (50), wherein the range gear arrangement (30) is shiftable between at least a low range gear state and a high range gear state, wherein first shiftable gear arrangement (10) is configured to selectively transmit torque from the first input shaft (11) to the range gear arrangement (30) and the second shiftable gear arrangement (20) is configured to selectively transmit torque from the second input shaft (21) to the range gear arrangement, wherein the transmission (1) is further shiftable to a by-pass gear state, in which the second shiftable gear arrangement (20) is shifted to a by-pass gear, such that power is transferrable from the second input shaft (21) to the output shaft (50) without passing through the range gear arrangement (30).

The disclosure relates to a computer system (600) for handling configurations for an at least partly autonomous vehicle (100), the computer system (600) comprising processing circuitry (602) configured to: - at vehicle startup, determine a current geographical zone in which the vehicle (100) is currently located; - compare the current geographical zone with a last known geographical zone to determine if the current geographical zone is part of the last known geographical zone or not; - obtain a new vehicle configuration for the current geographical zone when the current geographical zone is not part of the last known geographical zone; and to - determine whether or not to update the vehicle (100) with the new vehicle configuration for the current geographical zone.