Abstract: Methods and sysemteds for a driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.

Abstract: Systems and methods are provided for dual electric motor driveline control. In one example, an assembly comprises: a first electric motor directly coupled to a first output shaft, a second electric motor coaxially aligned with the first electric motor, a planetary gear set having a carrier connected to the first output shaft and the first electric motor, a ring gear connected to ground, and a sun gear connected to a second shaft, a first clutch for selectively coupling the second electric motor to the first electric motor via the carrier, and a second clutch for selectively coupling the second electric motor to the second shaft.

Abstract: A hydraulic circuit for an adaptive park braking system and method of operation thereof. The method of operating an adaptive park braking system includes providing a vehicle having a motor, a front axle system, a rear axle system, wherein the front axle system has one or more front axle braking systems and the rear axle system has one or more rear axle braking systems. Identifying when the vehicle is engaged in a digging operation. Disconnecting the front axle system or the rear axle system from driving engagement with the motor of the vehicle. Activating the one or more braking systems of the disconnect axle system to apply an amount of force to the disconnected axle system of the vehicle. Then applying an amount of torque with the motor to the axle system in driving engagement with the motor.

Abstract: Methods and systems are provided for utilizing a parking brake in conjunction with negative torque from an electric motor during vehicle braking. In one example, a method may include applying the parking brake in conjunction with negative torque from the electric motor, until the vehicle speed reduces to a speed threshold, and then releasing the parking brake.

Abstract: The present disclosure relates to a vehicle, in particular an off-highway vehicle, comprising a first axle and a second axle and a sensor unit comprising at least one load sensor configured to produce a load sensor signal indicative of a load on at least one of the first axle and the second axle. The vehicle further comprises a movable weight configured to be moved relative to the first axle and to the second axle, an actuator system configured to move the movable weight relative to the first axle and to the second axle, and a control unit configured to control the actuator system based at least on the load sensor signal.

Abstract: Methods and sysemteds for a driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.

Abstract: The present disclosure relates to a hydraulic circuit, comprising: a hydraulic displacement unit for driving an implement; a hydraulic machine fluidly connected or selectively fluidly connected with the hydraulic displacement unit the hydraulic machine having a fixed hydraulic displacement; an electric machine drivingly engaged or selectively drivingly engaged with the hydraulic machine; a hydraulic pump fluidly connected or selectively fluidly connected with the hydraulic displacement unit, the hydraulic pump having a variable hydraulic displacement; and an electric motor drivingly engaged or selectively drivingly engaged with the hydraulic pump.

Abstract: A driveline for a vehicle and its method of operating are described. The driveline may have a power source and a front axle assembly drivingly engaged or selectively drivingly engaged with the power source. The front axle assembly may have a front left half shaft, a front right half shaft, a front left torque transmission control mechanism configured to control the transmission of torque to the FL half shaft, and a front right torque transmission control mechanism configured to control the transmission of torque to the FR half shaft. The driveline may also have a rear axle assembly drivingly engaged or selectively drivingly engaged with the power source. The rear axle assembly may have a rear left half shaft, a rear right half shaft, a rear left torque transmission control mechanism configured to control the transmission of torque to the RL half shaft, a rear right torque transmission control mechanism configured to control the transmission of torque to the RR half shaft.

Abstract: The present document relates to a dual motor electric driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.

Abstract: An electric driveline comprising an electric drive motor and a transmission, and a method of shifting gears therefor. The transmission comprises an output shaft, a synchronizer, preferably a hydraulically actuatable synchronizer, for selectively drivingly engaging the electric drive motor with the output shaft via either one of a first gear providing a first gear ratio ?1 between the electric drive motor and the output shaft, and a second gear providing a second gear ratio ?2 between the electric drive motor and the output shaft, and an electronic shift controller for controlling a gear shift from the first gear to the second gear. The electronic shift controller is configured to actuate the synchronizer to disengage the first gear and to engage the second gear, and to synchronize a motor speed of the electric drive motor with a target speed.

Abstract: The present disclosure relates to a hydraulic circuit comprising: a hydraulic displacement unit for driving an implement; a hydraulic machine fluidly connected or selectively fluidly connected with the hydraulic displacement unit the hydraulic machine having a fixed hydraulic displacement; an electric machine drivingly engaged or selectively drivingly engaged with the hydraulic machine; a hydraulic pump fluidly connected or selectively fluidly connected with the hydraulic displacement unit, the hydraulic pump having a variable hydraulic displacement; and an electric motor drivingly engaged or selectively drivingly engaged with the hydraulic pump.

Abstract: The present disclosure relates to a vehicle, in particular an off-highway vehicle, comprising a first axle and a second axle and a sensor unit comprising at least one load sensor configured to produce a load sensor signal indicative of a load on at least one of the first axle and the second axle. The vehicle further comprises a movable weight configured to be moved relative to the first axle and to the second axle, an actuator system configured to move the movable weight relative to the first axle and to the second axle, and a control unit configured to control the actuator system based at least on the load sensor signal.

Abstract: An electric driveline comprising an electric drive motor and a transmission, and a method of shifting gears therefor. The transmission comprises an output shaft, a synchronizer, preferably a hydraulically actuatable synchronizer, for selectively drivingly engaging the electric drive motor with the output shaft via either one of a first gear providing a first gear ratio ?1 between the electric drive motor and the output shaft, and a second gear providing a second gear ratio ?2 between the electric drive motor and the output shaft, and an electronic shift controller for controlling a gear shift from the first gear to the second gear. The electronic shift controller is configured to actuate the synchronizer to disengage the first gear and to engage the second gear, and to synchronize a motor speed of the electric drive motor with a target speed.

Abstract: A bogie axle assembly for a vehicle, in particular for an off-highway vehicle such as a forestry machine, the bogie axle assembly comprising: a rigid link arm; a first joint disposed on the link arm for pivotally coupling the link arm to a vehicle frame; a second joint disposed on the link arm, at a distance from the first joint; a bogie pivotally coupled to the link arm via the second joint; and a ground engaging structure comprising one or more wheels rotatably mounted on the bogie. The present disclosure further relates to a vehicle comprising said bogie axle assembly.

Abstract: The present document relates to a dual motor electric driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.

Abstract: A hydraulic circuit for an adaptive park braking system and method of operation thereof. The method of operating an adaptive park braking system includes providing a vehicle having a motor, a front axle system, a rear axle system, wherein the front axle system has one or more front axle braking systems and the rear axle system has one or more rear axle braking systems. Identifying when the vehicle is engaged in a digging operation. Disconnecting the front axle system or the rear axle system from driving engagement with the motor of the vehicle. Activating the one or more braking systems of the disconnect axle system to apply an amount of force to the disconnected axle system of the vehicle. Then applying an amount of torque with the motor to the axle system in driving engagement with the motor.

Abstract: A method and system of detecting an impending tip over of a vehicle with the following steps and apparatus. Acquiring first measurement data, the first measurement data having strain data and at least one of attitude data and acceleration data. Acquiring second measurement data, the second measurement data having strain data and at least one of attitude data and acceleration data. Determining, based on the first measurement data and based on the second measurement data, if the second measurement data is indicative of an impending tip over of the vehicle. Only if it is determined that the second measurement data is indicative of an impending tip over of the vehicle, triggering an alarm signal, overriding a control command or overwriting a control command.

Abstract: A hydraulic hybrid powertrain for a vehicle is disclosed. The powertrain has an internal combustion engine selectively drivingly engaged with an input of a stepped-ratio transmission through a torque converter and through a speed direction changing device. An output of the stepped-ratio transmission is selectively drivingly engaged with a vehicle output. An intermediate gear set is drivingly engaged with the speed direction changing device and drivingly engaged with the input of the stepped-ratio transmission. A hydraulic machine in fluid communication with a hydraulic accumulator assembly, a transmission shaft of the hydraulic machine being drivingly engaged or selectively drivingly engaged with the intermediate gear set for providing energy to the intermediate gear set and for absorbing energy from the intermediate gear set. Also disclosed are methods of operating the hydraulic hybrid powertrain.

Abstract: A hybrid driveline which may be operated in a hydrostatic drive mode and a direct drive mode and a method of operating a hybrid driveline in a hydrostatic drive mode and a direct drive mode is provided. The hybrid driveline comprises a power source, a first hydrostatic unit drivingly engaged with the power source, a second hydrostatic unit selectively drivingly engaged with a vehicle output and in fluid communication with the first hydrostatic unit, an accumulator assembly in fluid communication with the first hydrostatic unit and the second hydrostatic unit, and a clutching device selectively drivingly engaged with the vehicle output and one of the first hydrostatic unit and the second hydrostatic unit. The hybrid driveline provides the benefits of a series hybrid arrangement and a parallel hybrid arrangement, reduces torque interruptions during operation and shifting procedures, and increases an efficiency of a vehicle the driveline is incorporated in.

Abstract: A hydrostatic driveline has a power source and a hydrostatic pump in driving engagement with the power source; a primary driveline shaft in driving engagement with the power source. The driveline also has a first transmission portion and a second transmission portion in driving engagement with the first transmission portion. A hydrostatic motor is in fluid communication with the hydrostatic pump and is in driving engagement with the first transmission portion. A vehicle output is in driving engagement with the second transmission portion. The primary driveline shaft is also in driving engagement with the second transmission portion. The hydrostatic driveline may be operated in a hydrostatic mode or in a direct drive mode using the primary driveline shaft and the second transmission portion.