B60G2400/40

SYSTEM FOR MINIMIZING DATA TRANSMISSION LATENCY BETWEEN A SENSOR AND A SUSPENSION CONTROLLER OF A VEHICLE
20230173868 · 2023-06-08 · ·

A system for minimizing data transmission latency between a sensor and a suspension controller of a vehicle is described. The system includes: a state determination module that determines a physical state of the vehicle; a plurality of data paths for transmitting a first signal from the sensor to the suspension controller; a data path configurator of the controller that selects a first data path of the plurality of data paths based on at least one characteristic of the first data path and the physical state and configures the first data path to transmit the first signal; and an actuation module that generates an actuation signal to control a damping characteristic of the suspension actuator based on at least the first signal.

TRANSPORT TRAILER LOAD BALANCING SUSPENSION AND STEERING SYSTEMS
20170217490 · 2017-08-03 · ·

A multi-axle transport trailer having a plurality of axles includes a suspension comprising air bags associated with each axle, the air bags in communication with an air source, wherein air bags associated with different axles are capable of having different air pressures therein. The trailer further optionally includes a steering system associated with at least one axle, the axle including a tie rod connected between wheels on both ends of the axle, the steering system comprising cylinders configured to articulate the wheels, and a sensing device configured to monitor movement of the tie rod and facilitate actuating the cylinders to turn the wheels.

Method and device for detecting vehicle turning

A method and device utilizing pressure and/or height measurements across an axle of a vehicle to detect when the vehicle turns and, when a turn is detected, a control action is taken to avoid pneumatic pressure loss by inhibiting active leveling via the height adjustable suspension.

SUSPENSION ASSEMBLY, SUSPENSION DAMPING DEVICE AND SIX WHEELS BIONIC CHASSIS
20220176765 · 2022-06-09 ·

A suspension damping device installed at a chassis of a mobile robot comprises a vehicle frame, a controlling arm set and a damping device. The vehicle frame is fixed to the chassis and arranged on the ground. One end of the controlling arm set is hinged to the vehicle frame, and the other end of the controlling arm set is hinged to a steering device, so the controlling arm set controls the motion stability of the steering device. One end of the damping device opposite to the ground is hinged to the vehicle frame, and the other end of the damping device faced to the ground is hinged to the steering device. A six-wheeled bionic chassis which comprises a chassis frame, a controller, a sensor, front wheel suspension assemblies, middle wheel suspension assemblies and rear wheel suspension assemblies is also disclosed in the present invention.

Electrically powered suspension system
11351831 · 2022-06-07 · ·

An electrically powered suspension system includes: an electromagnetic actuator; an information acquisition unit configured to acquire time-series information related to stroke position of the electromagnetic actuator, information on stroke velocity, and an amount of change in stroke of the electromagnetic actuator and information on a stroke direction based on the time-series information; a damping force calculation unit configured to calculate target damping force based on the information on the stroke velocity; and a drive control unit configured to control driving of the electromagnetic actuator using target driving force obtained based on the target damping force. The damping force calculation unit calculates equivalent friction compensation force based on the amount of change in the stroke and the information on the stroke direction, and corrects the target damping force based on the calculated equivalent friction compensation force. The equivalent friction compensation force has elastic force component and dynamic friction force component.

METHOD AND SYSTEM FOR ACTIVE ROLL CONTROL

A system for active roll control for a vehicle body is provided and includes a sensor operable to monitor a tilt of the body and a suspension system. The suspension system includes an active sway bar including a first bar portion, a second bar portion, and an active roll control motor disposed between the first bar portion and the second bar portion. The active roll control motor is operable to turn the first bar portion in relation to the second bar portion. The system further includes a computerized active roll control controller which is operative to monitor a driving mode including one of straight-line driving and rounding a curve on a road, monitor an output of the sensor, determine a desired roll moment based upon the driving mode and the output of the sensor, and control the active roll control motor based upon the desired roll moment.

System and method for controlling vehicle

A system and method for controlling a vehicle, where the system includes independent driving modules each including a connection device having a rotation center spaced apart from a driving shaft in a forward/rearward direction and configured to connect the wheel and a vehicle body to move the wheel in the forward/rearward or an upward/downward direction, a shock absorber extending in a longitudinal direction and configured to contract or stretch, to connect the vehicle body and the connection device, and to restrict an upward/downward movement of the connection device, and a driving device configured to rotate the wheel, a road surface detector configured to detect a height displacement or a state of a road, and a controller configured to control velocities of the front and rear wheels of the independent driving modules, and to change a height of the vehicle based on the height displacement or the state of the road.

Suspension assembly, suspension damping device and six wheels bionic chassis

A suspension damping device installed at a chassis of a mobile robot comprises a vehicle frame, a controlling arm set and a damping device. The vehicle frame is fixed to the chassis and arranged on the ground. One end of the controlling arm set is hinged to the vehicle frame, and the other end of the controlling arm set is hinged to a steering device, so the controlling arm set controls the motion stability of the steering device. One end of the damping device opposite to the ground is hinged to the vehicle frame, and the other end of the damping device faced to the ground is hinged to the steering device. A six-wheeled bionic chassis which comprises a chassis frame, a controller, a sensor, front wheel suspension assemblies, middle wheel suspension assemblies and rear wheel suspension assemblies is also disclosed in the present invention.

SYSTEM AND METHOD FOR CONTROLLING VEHICLE

A system and method for controlling a vehicle, where the system includes independent driving modules each including a connection device having a rotation center spaced apart from a driving shaft in a forward/rearward direction and configured to connect the wheel and a vehicle body to move the wheel in the forward/rearward or an upward/downward direction, a shock absorber extending in a longitudinal direction and configured to contract or stretch, to connect the vehicle body and the connection device, and to restrict an upward/downward movement of the connection device, and a driving device configured to rotate the wheel, a road surface detector configured to detect a height displacement or a state of a road, and a controller configured to control velocities of the front and rear wheels of the independent driving modules, and to change a height of the vehicle based on the height displacement or the state of the road.

ROLL CONTROL SYSTEM FOR CORNER MODULE OF VEHICLE
20230278384 · 2023-09-07 ·

The present disclosure includes a knuckle unit coupled to a strut, positioned inside a wheel, and moving in upward and downward directions along a pair of sliding pillars supported by a fixing frame, a stopper unit configured to selectively move in a downward direction on the sliding pillar and limit a range that the knuckle unit moves in the upward and downward directions, a power transmission unit connected to the sliding pillar and configured to transmit power for moving the stopper unit in the downward direction, a clutch unit connected to the power transmission unit and transmitting a rotational force to the power transmission unit as a control motor is driven, and a control unit electrically connected to the control motor and transmitting a power transmission signal to the control motor to control the stopper unit to selectively move in the upward and downward directions.