B60G17/01908

VEHICLE
20220305864 · 2022-09-29 ·

A vehicle includes an acceleration sensor detecting collision, an electric actuator disposed outside a vehicle body, a battery and a boosting circuit supplying a high voltage to the electric actuator, and an electric suspension control ECU controlling the boosting circuit and the electric actuator, and in a case where the acceleration sensor detects the collision, the electric suspension control ECU limits the supply of the high voltage to the electric actuator.

APPARATUS AND METHOD FOR CONTROLLING VEHICLE SUSPENSION

An apparatus and a method for controlling vehicle suspension, which controls a variable damper in consideration of virtual tire damping, may include a variable damper which is installed between a vehicle body and a wheel, a first acceleration sensor which is installed at each corner of the vehicle body to measure a vehicle body corner vertical acceleration, a second acceleration sensor which is installed to each wheel to measure a wheel vertical acceleration, and a controller that estimates a road surface roughness based on the vehicle body corner vertical acceleration and the wheel vertical acceleration, determines a virtual tire damping required damping force based on the estimated road surface roughness, and adjusts a damping force of the variable damper based on the determined virtual tire damping required damping force.

APPARATUS AND METHOD FOR CONTROLLING VEHICLE SUSPENSION

An apparatus and a method for controlling a vehicle suspension, may include a variable damper provided between a vehicle body and a wheel, a sensor that measures a vehicle body vertical acceleration and a wheel vertical acceleration, and a controller that estimates a road surface roughness based on the vehicle body vertical acceleration and the wheel vertical acceleration, predicts a road surface grade based on the estimated road surface roughness, and adjusts damping force of the variable damper corresponding to the predicted road surface grade.

STABILIZER SYSTEM

A vehicle stabilizer system, including: a stabilizer device and a switching mechanism to switch a roll suppressing function by a stabilizer bar between an effective state in which the roll suppressing function is rendered effective and an ineffective state in which the roll suppressing function is rendered ineffective; and a controller configured to determine whether a lateral acceleration of a vehicle body is greater than a threshold lateral acceleration and control the switching mechanism to render the roll suppressing function effective when the lateral acceleration is greater than the threshold lateral acceleration and ineffective when the lateral acceleration is not greater than the threshold lateral acceleration, wherein the controller employs, as a determination lateral acceleration for determining whether the lateral acceleration is greater than the threshold lateral acceleration, a smaller one of an actual lateral acceleration and an estimated lateral acceleration estimated based on a turning degree of the vehicle.

LOAD SENSING FOR TRACTOR TRAILERS

In a particular embodiment, a vehicle load measurement system is described that includes a chassis configured to support a body of the vehicle. In this embodiment, the vehicle load measurement system also includes a suspension system and a plurality of angle sensors attached to the suspension system. Each angle sensor is configured to measure an angle with respect to height. In this embodiment, the plurality of angle sensors include a first sensor attached to the first side of the suspension system configured to measure a first angle and a second sensor attached to the second side of the suspension system configured to measure a second angle. According to this embodiment, the first angle and the second angle are combined to obtain a combined value representative of axle load.

ORIENTATIONALLY FLEXIBLE BUMP SENSOR

An orientationally flexible bump sensor is disclosed. The system includes at least one bump sensor mounted to a vehicle, the at least one bump sensor comprising at least two axes of measurement. A computer processor is configured to evaluate the at least two axes of measurement to determine which axis of the at least two axes of measurement has a highest magnitude vector and determine a gain value to cause the highest magnitude vector to be approximately 1g. The computer processor will assign the gain value to the axis with the highest magnitude vector, such that the gain value is applied to each measurement generated by the axis with the highest magnitude vector.

Work Vehicle
20220042280 · 2022-02-10 ·

A plurality of traveling wheels are supported via expandable/contractible tubular support members to a vehicle body frame. A hydraulic operation type vehicle height adjustment mechanism provided for each one of the traveling wheels, the vehicle height adjustment mechanism being capable of switching a relative height of the traveling wheel relative to the vehicle body frame within a predetermined length range by expanding/contracting the support member by a hydraulic cylinder. There are provided a hydraulic control valve capable of controlling feeding state of work oil to each one of the plurality of hydraulic cylinders, a controlling section for controlling an operation of the hydraulic control valve to bring the vehicle body to a target state via vehicle height adjustment by the hydraulic cylinder in response to a change in the posture of the vehicle body and a plurality of accumulators connected oil chambers of the respective plurality of hydraulic cylinders.

METHOD FOR PIVOTING A TRAVEL UNIT OF A ROAD MILLING MACHINE AND ROAD MILLING MACHINE
20220235523 · 2022-07-28 ·

A method for pivoting a travel unit on a machine frame of a road milling machine between an outer end position and an inner end position offset toward a center of the machine relative to the outer end position, the road milling machine having a travel mechanism with multiple travel units, of which at least one travel unit is height-adjustable via a lifting column, comprising the steps of positioning a support foot mounted on the machine frame in a ground contact position to support the machine frame, lifting the travel unit, pivoting the travel unit between the outer end position and the inner end position, lowering the travel unit, and positioning the support foot in a stowed position.

DAMPING CONTROL DEVICE AND DAMPING CONTROL METHOD FOR VEHICLE
20210402840 · 2021-12-30 · ·

A control unit configured to control a control force generating device configured to generate a control force for damping a sprung portion of a vehicle controls the control force generating device based on a target control force Fcit for damping the sprung portion when a wheel passes through a predicted wheel passing position. The control unit acquires an unsprung displacement z.sub.1i at the predicted wheel passing position, and calculates the target control force as a value proportional to an unsprung displacement z.sub.1ai that is the unsprung displacement z.sub.1i having a phase that has been advanced to advance a phase of a transfer function from the unsprung displacement z.sub.1i to the target control force by a phase advance amount larger than 0 degrees and smaller than 180 degrees.

VEHICLE AND METHODS FOR IMPROVING STABILITY AND OCCUPANT COMFORT
20210394575 · 2021-12-23 · ·

The present disclosure relates to autonomous driving vehicles and methods for adjusting a sensor of the vehicles. A sensing assembly includes a housing having a base, the housing being affixed to a vehicle through the base; and a sensor disposed in the housing and configured to sense information of the vehicle. The sensor is rotated with respect to the vehicle in response to a motion of the vehicle.