Abstract: Systems, methods, and computer-readable storage media for a vehicle which controls wheel alignment using a closed loop feedback coupled with one or more machine learning algorithms. The system receives an optimization directive for the vehicle, and also receives from at least one tire sensor while the vehicle is in transit, a tire forces signal. The system estimates, based at least in part on the tire forces signal, at least one aspect of vehicle performance, and executes a machine learning model, where the inputs to the machine learning model are the optimization directive and the at least one aspect of vehicle performance. The outputs of the machine learning model include a desired wheel alignment signal, and the system modifies, via a wheel alignment controller, a wheel alignment of the vehicle based at least in part on the desired wheel alignment signal.

Abstract: An automatic vehicle braking arrangement includes a vehicle control unit configured to determine whether one or more conditions that must occur to activate an automatic braking function of the vehicle are occurring, to automatically activate the automatic braking function after determining that the one or more conditions are occurring, and to automatically release the automatic braking function after determining that one or more conditions that must occur to release the automatic braking function are occurring. A method for operating such an arrangement is also provided.

Abstract: A controller for a vehicle, configured to determine a take-off intent, and, in response to determining the take-off intent, i) initiate a release of a brake for at least one wheel or wheel axle of the vehicle, and ii) inhibit an application of propulsion torque to the at least one wheel or wheel axle during a finite time period (TR) related to a time required for releasing the brake. Provided is also an automated brake-release system including such a controller, a vehicle, a method, computer program product and computer-readable storage medium.

Abstract: A computer system including a processor device configured to adjust a torque applies to a first wheel to a vehicle is provided. The processor device is configured to estimate, a variation in rotational speed of a first drive shaft. The first drive shaft is driven by a second drive shaft by rotating a mechanical joint. The mechanical joint is drivingly connected to both the first drive shaft and the second drive shaft. The processor device is configured to, based on the variation in rotational speed of the first drive shaft and a current speed of the vehicle, estimate a target slip for the first wheel. The processor device is further configured to, based on the estimated target slip for the first wheel, adjust the torque applied to the first wheel.

Abstract: A method for controlling braking and/or traction of a vehicle is provided. The methods includes determining by the vehicle control unit a desired slip value based on vehicle state parameters, the desired slip value being communicated to the braking control unit and to the traction control unit, measuring or estimating a slip measure or estimation from wheel parameters collected on the at least wheel tire by the sensor, the slip measure or estimation being communicated to the braking control unit and/or to the traction control unit controlling a wheel slip by the braking control unit and by the traction control unit, based on the desired slip value and the slip measure or estimation.

Abstract: A method for controlling motion of a heavy-duty vehicle includes obtaining input data related to one or more tire parameters of a tire on the heavy-duty vehicle, estimating at least part of the one or more tire parameters based on the input data, configuring a tire model, wherein the tire model defines a relationship between tire wear rate and vehicle motion state, wherein the tire model is parameterized by the one or more tire parameters, estimating vehicle motion state, and controlling motion of the heavy-duty vehicle based on the tire model and on the vehicle motion state.

Abstract: Method for detecting a failure in a pneumatic system of a vehicle, the pneumatic system comprising a supply pneumatic subsystem comprising supply lines, a control pneumatic subsystem comprising control lines, a delivery pneumatic subsystem comprising delivery lines, the vehicle comprising an electronic control unit configured to implement a trained supply recurrent neural network, a trained control recurrent neural network, a trained delivery recurrent neural network, and a trained main recurrent neural network; the method comprising collect and provide the input parameters to the trained recurrent neural networks to get a output from recurrent neural networks; provide the input parameters and the output parameters from recurrent neural networks to get a main output indicative of a pneumatic system health parameter indicative of a presence or an absence of a failure in one of the supply pneumatic subsystem, or the control pneumatic subsystem, or the delivery pneumatic subsystem of the pneumatic system.

Abstract: A levelling valve assembly for an air suspension system of a heavy vehicle is provided, including an air valve configured to allow air to either enter or escape from an air spring based on a position of a control arm of the air valve, and including a linkage rod assembly configured to translate movement between a sprung and unsprung mass of the vehicle into a rotation of the control arm to regulate a ride height of the vehicle. The linkage rod assembly further includes a spring and damper arrangement configured to dampen or block movement of the control arm not caused by a change in a mass loading of the vehicle.

Abstract: A motion control system for controlling one or more torque generating devices on a heavy-duty vehicle, the system comprising a primary sensor system with a primary sensor control unit configured to interpret an output signal of the primary sensor system, one or more tire sensor devices mounted on, in, or in connection to, one or more tires of the heavy-duty vehicle, and a tire sensor control unit configured to interpret an output signal of the one or more tire sensor devices, wherein the motion control system is arranged to base motion control of the heavy-duty vehicle on output data of the tire sensor control unit in case of malfunction in the primary sensor system and/or in the primary sensor control unit, and on output data of the primary sensor control unit otherwise.

Abstract: A computer system comprising a processor device configured estimate a current ride height of a first axle of a vehicle is provided. The processor device is configured to obtain a variation in rotational speed of a first drive shaft. The first drive shaft is driven by a second drive shaft rotating a mechanical joint connected to both the first drive shaft and the second drive shaft. The processor device is configured to estimate the current ride height of the first axle based on the variation in rotational speed of the first drive shaft, an obtained initial ride height of the first axle, and an obtained condition signal. The condition signal indicates a second angle of the second drive shaft, or indicates a ride height of a second axle.

Abstract: A computer system including a processor device configured to adjust a torque applies to a first wheel to a vehicle is provided. The processor device is configured to estimate, a variation in rotational speed of a first drive shaft. The first drive shaft is driven by a second drive shaft by rotating a mechanical joint. The mechanical joint is drivingly connected to both the first drive shaft and the second drive shaft. The processor device is configured to, based on the variation in rotational speed of the first drive shaft and a current speed of the vehicle, estimate a target slip for the first wheel. The processor device is further configured to, based on the estimated target slip for the first wheel, adjust the torque applied to the first wheel.

Abstract: A method for controlling motion of a heavy-duty vehicle includes obtaining input data related to one or more tire parameters of a tire on the heavy-duty vehicle, estimating at least part of the one or more tire parameters based on the input data, configuring a tire model, wherein the tire model defines a relationship between tire wheel rolling resistance and vehicle motion state, wherein the tire model is parameterized by the one or more tire parameters, estimating vehicle motion state, and controlling motion of the heavy-duty vehicle based on the tire model and on the vehicle motion state.

Abstract: A method for controlling motion of a heavy-duty vehicle, the method including: obtaining input data related to one or more parameters of a tire on the heavy-duty vehicle, determining at least part of the one or more tire parameters based on the input data, configuring a tire model, wherein the tire model defines a relationship between wheel slip and generated wheel force, wherein the tire model is parameterized by the one or more tire parameters, and controlling the motion of the heavy-duty vehicle based on the relationship between wheel slip and generated wheel force.

Abstract: Systems, methods, and computer-readable storage media for a dynamic Ackermann geometry control system. The system receives, at a processor aboard a tractor of an articulated vehicle, vehicle information associated with ongoing movement of the articulated vehicle as well as a driver optimization preference. The system then executes an Ackerman control algorithm, with inputs such as the vehicle information and/or at least one feedback item. The outputs of the Ackerman control algorithm can include estimations of tire forces for each tire of the articulated vehicle and estimations of cornering characteristics of the articulated vehicle. The system then calculates, based on the estimations of tire forces and based on the estimations of cornering characteristics, a desired Ackerman geometry for the articulated vehicle. The system then transmits a command to modify a turning angle associated with at least one wheel of the articulated vehicle.

Abstract: A braking arrangement for a vehicle includes a source of compressed air, a drive axle for the vehicle, a brake associated with the drive axle and connected to the source of compressed air by an air line, an operator controlled valve in the air line between the source of compressed air and the brake, a proportioning valve in the air line between the operator controlled valve and the brake. A compressor is driven by the drive axle or a drive shaft of the vehicle and has an outlet connected to a control port of the proportioning valve.

Abstract: The invention relates to a method for controlling a flow from a source of pressurized air to an air bag of a pneumatic suspension arrangement in a vehicle. The method comprises obtaining a set of vehicle condition signals comprising at least two vehicle condition signals, each vehicle condition signal being indicative of an individual current condition associated with said vehicle. The method further comprises, on the basis of said set of vehicle condition signals, determining whether or not there is a need to supply the air bag with air from the source of pressurized air. The method further comprises, in response to determining that there is not a need to supply the air bag with air from the source of pressurized air, preventing pressurized air to be fed from said source of pressurized air to said air bag.

Abstract: Method for updating at least one vehicle model parameter and at least one tire parameter in at least one chassis control unit of a vehicle, based on tire sensor information collected by a tire sensor placed on a tire. The method includes the steps of: collecting tire sensor information; updating the at least one vehicle model parameter based on updating at least one tire parameter, updating one tire parameter being based on the tire sensor information.

Abstract: A method for detecting a flat spot of a tire of a first wheel of a vehicle. The method comprises obtaining a plurality of measurements indicative of an actuation and/or a motion of at least part of a suspension arrangement. The suspension arrangement is arranged to provide suspension for the first wheel. The method further comprises detecting that the tire has a flat spot by determining that the plurality of measurements fulfills one or more predetermined conditions.

Abstract: A method for updating a configuration of a braking arrangement in a vehicle is provided. The method comprises obtaining sensor data indicative of a status of the vehicle and/or of the braking arrangement during at least a part of a braking operation performed by the braking arrangement. The method further comprises predicting, based on the obtained sensor data, at least one component that are part of the braking arrangement. The method further comprises in response to detecting that the configuration of the braking arrangement does not comply with the at least one component, updating the configuration to be based on the at least one component.

Abstract: A method for braking one or more trailers in a tractor-trailer combination. The method comprises establishing a maximum continuous brake pressure for trailer brakes of wheels of the one or more trailers of the tractor-trailer combination. The method further comprises establishing an on-off cycling frequency for pulsing of the brakes of the one or more trailers of the tractor-trailer combination at brake pressures above the maximum continuous brake pressure. The method further comprises establishing applying the brakes of the one or more trailers continuously at brake pressures up to the established maximum continuous brake pressure and by pulsing according to the established on-off cycling frequency at brake pressures above the established maximum continuous brake pressure.