Patent classifications
B60K28/16
Apparatus and methodology for wheel stability monitoring system
A traction control module includes a sensor/estimation module configured to output wheel stability data based on a plurality of wheel condition inputs and a wheel stability monitoring module configured to calculate a plurality of wheel stability predictors based on the wheel stability data. Each of the wheel stability predictors is independently indicative of a wheel slip condition. The traction control module further includes a wheel stability data fusion module configured to receive each of the plurality of wheel stability predictors, combine selected wheel stability predictors from the plurality of wheel stability predictors to generate combinations of the wheel stability predictors, and selectively output a torque reduction request based on the combinations of the wheel stability predictors.
Traction control system
A system and method for speed/traction/slip control influences a driving engine torque of the vehicle. The method includes: calculating an idealized nominal engine torque from a linear control law applied to the speed/slip error; calculating an idealized setpoint for the speed/slip by applying a reference model to the idealized nominal engine torque; calculating a linearizing feedback with properties of compensating the nonlinearities in the road surface contact, compensating the inertia in the powertrain, and damping the powertrain; using for feedback the engine rotational speed, numerically determined derivation of engine speed, average speed of the driven axis, numerically determined derivative of the rotational speed of the driven axis, actual engine torque, and applying the driving engine torque to the engine vehicle to influence the traction and stability of the vehicle.
Traction control system
A system and method for speed/traction/slip control influences a driving engine torque of the vehicle. The method includes: calculating an idealized nominal engine torque from a linear control law applied to the speed/slip error; calculating an idealized setpoint for the speed/slip by applying a reference model to the idealized nominal engine torque; calculating a linearizing feedback with properties of compensating the nonlinearities in the road surface contact, compensating the inertia in the powertrain, and damping the powertrain; using for feedback the engine rotational speed, numerically determined derivation of engine speed, average speed of the driven axis, numerically determined derivative of the rotational speed of the driven axis, actual engine torque, and applying the driving engine torque to the engine vehicle to influence the traction and stability of the vehicle.
PTO shaft driving device in working machine
A PTO shaft driving device in a working machine, includes a parking switch to detect parking of a vehicle body, a first switch located on a manipulator located on the vehicle body to output a PTO shaft control command that is either a driving command to drive a PTO shaft located on the vehicle body or a stopping command to stop the PTO shaft, a second switch located at a position different from the manipulator to output a PTO shaft control command that is either a driving command to drive the PTO shaft or a stopping command to stop the PTO shaft, a first permission switch to selectively permit or prohibit a stationary work when the parking switch detects the parking, and a controller configured or programmed to control driving of the PTO shaft. The controller is configured or programmed to selectively drive or stop the PTO shaft according to the PTO shaft control command from the first switch or the second switch when the stationary work is permitted by the first permission switch.
Control method, vehicle frame, power driving assembly and vehicle
Provided are a control method, a vehicle frame, a power driving assembly and a vehicle. The vehicle frame is configured to be connected with the power driving assembly, and the vehicle frame is provided with a manipulation assembly and a controller for controlling the power driving assembly. The control method includes that: after the vehicle frame is connected to the power driving assembly and a communication connection is established between the controller and the power driving assembly, the controller detects a manipulation instruction from the manipulation assembly; and in response to detecting the manipulation instruction from the manipulation assembly and determining that the manipulation instruction corresponds to the power driving assembly, the controller generates, according to the manipulation instruction, a control instruction for controlling the power driving assembly, and sends the control instruction to the power driving assembly.
High speed straight ahead tiller desensitization
A method for adjusting the position of a steered wheel of a vehicle includes detecting a steering position value of a steering control device of a vehicle such that the steering position value corresponds to an angular position of the steering control device; calculating a traction speed breakpoint at or above which steering desensitization may occur; and defining a maximum commencement steer angle at or below which steering desensitization may commence. The method also includes determining if the angular position of the steering control device or an angular position of the steered wheel is equal to or less than the maximum commencement steer angle; detecting a traction speed of one of a traction motor or a traction wheel of the vehicle; determining if the traction speed is equal to or above the traction speed breakpoint; and calculating, by the processor, a steering desensitization value when the angular position of one of the steering control device or the steered wheel is equal to or less than the maximum commencement steer angle and the traction speed is equal to or above the traction speed breakpoint.
Vehicle posture control apparatus based on acceleration detection signals
A vehicle control apparatus according to an embodiment of the present technology includes a control unit. The control unit generates a control signal for controlling behavior of a vehicle body on a basis of a first acceleration detection signal and a second acceleration detection signal, the first acceleration detection signal including information relating to an acceleration acting on the vehicle body, the first acceleration detection signal having an alternating current waveform corresponding to the acceleration, the second acceleration detection signal including information relating to the acceleration, the second acceleration detection signal having an output waveform, an alternating current component corresponding to the acceleration being superimposed on a direct current component in the output waveform.
Vehicle posture control apparatus based on acceleration detection signals
A vehicle control apparatus according to an embodiment of the present technology includes a control unit. The control unit generates a control signal for controlling behavior of a vehicle body on a basis of a first acceleration detection signal and a second acceleration detection signal, the first acceleration detection signal including information relating to an acceleration acting on the vehicle body, the first acceleration detection signal having an alternating current waveform corresponding to the acceleration, the second acceleration detection signal including information relating to the acceleration, the second acceleration detection signal having an output waveform, an alternating current component corresponding to the acceleration being superimposed on a direct current component in the output waveform.
Improvement of a Force Transmission Between Wheel and Road
A method for improving the force transmission between a wheel of a vehicle and the road is disclosed. The method has the following steps: determining target dynamics of a wheel; and, adjusting the dynamics of the wheel by a driving device of the vehicle by actively applying a torque to the wheel to set the target dynamics. A device, a vehicle, and a computer product are disclosed to execute the method.
Vehicle control device
The vehicle control device includes a speed calculation unit, a speed estimation unit, a motion feedback calculation unit, and a slip estimator. The speed calculation unit calculates a speed in a predetermined direction of a vehicle on the basis of a feature quantity. The speed estimation unit estimates a speed in the predetermined direction on the basis of a speed or acceleration detected by a motion detector. The motion feedback calculation unit performs feedback calculation in which a value obtained, through a proportional gain, from a deviation between a calculation speed calculated by the speed calculation unit and an estimation speed estimated by the speed estimation unit, is added to the feature quantity. The slip estimator compares the calculation speed with the estimation speed, and estimates that the vehicle is in a slip state in the predetermined direction, when the estimation speed exceeds the calculation speed.