B60K28/16

DEVICE, METHOD, AND PROGRAM FOR TIRE FAILURE DETECTION, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING TIRE FAILURE DETECTION PROGRAM
20210001721 · 2021-01-07 · ·

A tire failure detection device includes a steering angle sensor for sensing a steering angle, a yaw rate sensor for sensing a yaw rate, and a control unit. The control unit calculates side-slip energy based on the output signal of the steering angle sensor and the output signal of the yaw rate sensor, and determines that a failure has occurred in a tire when the side-slip energy exceeds a first threshold.

Tensile force-limiting device for a working machine
10883255 · 2021-01-05 · ·

A traction force limiting device for a working machine with a continuously variable transmission that comprises a variator for adjusting the rotational speed ratio of the transmission independently of the torque ratio of the transmission. The traction force limiting device has a traction force interface for providing information to determine a traction force of the working machine, a limit value interface for setting a traction force limit value of the working machine and a control interface for emitting a control signal to the variator. Additionally, the traction force limiting device has a computer unit designed, on a basis of information provided via the traction force interface, to determine the traction force, to compare the traction force determined with the traction force limit value set via the limit value interface, and to control the variator in such manner that the traction force does not exceed the traction force limit value.

Torque modulation to linearize tire slip characteristics

A control system for a driveline of a vehicle and method of operating the control system are provided. The system includes a base torque calculation module in communication with a plurality of vehicle controllers. The base torque calculation module determines and outputs a wheel torque command signal. A torque modulation module generates a periodic torque modulation signal based on the wheel torque command signal and a plurality of tire parameters. An adder module adds the periodic torque modulation signal to the wheel torque command signal and outputs a modulated wheel torque command signal to a wheel torque generator to linearize a tire characteristic of the plurality of tires of the vehicle. A slip and force determining module determines and outputs a plurality of slip estimates and estimated forces and a plurality of tire parameters to the torque modulation module, the plurality of vehicle controllers, and base torque calculation module.

Torque modulation to linearize tire slip characteristics

A control system for a driveline of a vehicle and method of operating the control system are provided. The system includes a base torque calculation module in communication with a plurality of vehicle controllers. The base torque calculation module determines and outputs a wheel torque command signal. A torque modulation module generates a periodic torque modulation signal based on the wheel torque command signal and a plurality of tire parameters. An adder module adds the periodic torque modulation signal to the wheel torque command signal and outputs a modulated wheel torque command signal to a wheel torque generator to linearize a tire characteristic of the plurality of tires of the vehicle. A slip and force determining module determines and outputs a plurality of slip estimates and estimated forces and a plurality of tire parameters to the torque modulation module, the plurality of vehicle controllers, and base torque calculation module.

Excavator and method of controlling the same
10858800 · 2020-12-08 · ·

An excavator attachment is attached to an excavator rotating platform. During normal operation, a drive means drives the attachment according to operator input into a manipulation device. A sensor detects motion of the excavator. Based on output of the sensor, a slip suppression unit detects slipping of the excavator undercarriage in an extension direction of the attachment, and corrects operation of the attachment performed by the drive means.

Excavator and method of controlling the same
10858800 · 2020-12-08 · ·

An excavator attachment is attached to an excavator rotating platform. During normal operation, a drive means drives the attachment according to operator input into a manipulation device. A sensor detects motion of the excavator. Based on output of the sensor, a slip suppression unit detects slipping of the excavator undercarriage in an extension direction of the attachment, and corrects operation of the attachment performed by the drive means.

TENSILE FORCE-LIMITING DEVICE FOR A WORKING MACHINE
20200340209 · 2020-10-29 ·

A traction force limiting device for a working machine with a continuously variable transmission that comprises a variator for adjusting the rotational speed ratio of the transmission independently of the torque ratio of the transmission. The traction force limiting device has a traction force interface for providing information to determine a traction force of the working machine, a limit value interface for setting a traction force limit value of the working machine and a control interface for emitting a control signal to the variator. Additionally, the traction force limiting device has a computer unit designed, on a basis of information provided via the traction force interface, to determine the traction force, to compare the traction force determined with the traction force limit value set via the limit value interface, and to control the variator in such manner that the traction force does not exceed the traction force limit value.

SYSTEM AND METHOD FOR CONTROLLING TORQUE OF ECO-FRIENDLY VEHICLE FOR IMPROVING STEERING CONTROL PERFORMANCE
20200339121 · 2020-10-29 ·

A system for controlling torque of a vehicle, such as an eco-friendly vehicle, can improve steering control performance. The system includes a first controller configured to change coast regeneration torque of the vehicle according to whether wheel lock of the vehicle has occurred and whether the vehicle is steerable.

Method and device for digging out a motor vehicle
10793155 · 2020-10-06 · ·

A method for digging out a motor vehicle at a standstill, in which the driver predefines a startup direction for the motor vehicle with the aid of an operating element; in which a reciprocating motion of the motor vehicle is generated with the aid of chronologically consecutive drive force pulses which are independent of the driver and have a first intensity; in which the spatial amplitude of the reciprocating motion is ascertained and compared to a predefined threshold value; and when the spatial amplitude of the reciprocating motion of the motor vehicle exceeds the threshold value, a startup movement of the motor vehicle is subsequently generated in the predefined startup direction using at least one drive force pulse which is directed in the predefined startup direction and which has a second intensity, which is greater than the first intensity.

Method and device for digging out a motor vehicle
10793155 · 2020-10-06 · ·

A method for digging out a motor vehicle at a standstill, in which the driver predefines a startup direction for the motor vehicle with the aid of an operating element; in which a reciprocating motion of the motor vehicle is generated with the aid of chronologically consecutive drive force pulses which are independent of the driver and have a first intensity; in which the spatial amplitude of the reciprocating motion is ascertained and compared to a predefined threshold value; and when the spatial amplitude of the reciprocating motion of the motor vehicle exceeds the threshold value, a startup movement of the motor vehicle is subsequently generated in the predefined startup direction using at least one drive force pulse which is directed in the predefined startup direction and which has a second intensity, which is greater than the first intensity.