B60G2400/102

Electrically powered suspension system
11518207 · 2022-12-06 · ·

Included are an electromagnetic actuator which generates drive forces for a damping operation and a telescopic operation; an information acquirer which acquires information about the drive forces of, and control mode selection information about, the electromagnetic actuator; a drive force arithmetic part which sets a predetermined control mode based on the control mode selection information about the electromagnetic actuator, and sets a target damping force and a target telescopic force of the electromagnetic actuator based on setting information about the control mode; and a drive controller which controls drive of the electromagnetic actuator using a target drive force based on the target damping and telescopic forces set by the drive force arithmetic part. The drive force arithmetic part performs an operation of switching a setting of the predetermined control mode from one to another while a driving force of the electromagnetic actuator is within a predetermined force range.

ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM FOR ESTIMATING REAR WHEEL ACCELERATION AND METHOD FOR ESTIMATING REAR WHEEL ACCELERATION OF ELECTRONICALLY CONTROLLED SUSPENSION SYSTEM
20220379678 · 2022-12-01 ·

Provided is an electronically controlled suspension system for estimating a rear wheel acceleration, which includes: a sensor unit measuring an acceleration value of a front wheel; a storage unit storing the acceleration value of the front wheel; and a control unit electrically connected to the sensor unit and the storage unit, and storing the acceleration value of the front wheel in the storage unit, and estimating the acceleration value of a rear wheel by using the acceleration value of the front wheel, wherein the storage unit has a front wheel acceleration buffer, the front wheel acceleration buffer is constituted by several cells, and the several cells are distinguished by a distance index, and the control unit stores the acceleration value of the front wheel corresponding to the distance index in each of the several cells, and the acceleration value of the rear wheel is estimated as the acceleration value of the front wheel, which is stored in a cell positioned behind a location of the front wheel by a wheelbase distance.

Electronically controlled external damper reservoir

An electronically controller external damper reservoir assembly (eRESI) can be connected to a passive damper and/or substituted for an existing external reservoir to provide semi-active damping control. The eRESI includes a reservoir and a variable base valve assembly actuated by an actuator. A controller is in communication with the actuator and a sensor providing input signal indicative of vehicle movement and is programmed to generate a damping control signal to the actuator based on the input signal, to dynamically control the damping force outputted by a passive damper hydraulically connected to the eRESI. A P/T sensor can be installed to a gas chamber of a vehicle damper to generate a P/T signal indicative of the pressure and temperature of the gas. The controller is programmed to determine a damper position of the damper based on the P/T signal.

Method and apparatus for controlling electronic control suspension

The present disclosure relates to a method and an apparatus for controlling an electronic control suspension using a deep learning-based road surface classification model. The method for controlling an electronic control suspension in a vehicle including a camera and a GPS receiver may include collecting location information of the vehicle using the GPS receiver while driving, identifying whether there is a previously generated road surface classification model corresponding to a front obstacle when the front obstacle is detected, determining a first control value based on a first characteristic value corresponding to the road surface classification model when there is the road surface classification model as a result of the identification, controlling the electronic control suspension with the determined first control value when entering the obstacle, and collecting new sensing data through a physical sensor, and correcting the first characteristic value based on the new sensing data.

VEHICLE CONTROL DEVICE AND VEHICLE CONTROL SYSTEM
20220366731 · 2022-11-17 · ·

A vehicle control device includes an acquisition unit configured to acquire detection information in a current traveling state and position information indicating a current position of a vehicle, a transmission unit configured to transmit traveling information in which the detection information and the position information are associated with each other to an external management device, a reception unit configured to receive changed specification information of the vehicle transmitted when the management device determines that specifications of the vehicle need to be changed, and a control unit configured to change the specifications of the vehicle corresponding to the specification information and reflect the changed specifications in traveling control. The specification information includes specifications changed based on comparison between first traveling information that is current traveling information of the vehicle and second traveling information obtained when the vehicle has previously traveled at a same position.

Suspension control device for a human-powered vehicle

A suspension control device is provided for a human-powered vehicle. The suspension control device includes a sensor and an electronic controller. The sensor is configured to detect information relating to a ground contact condition. The electronic controller is configured to selectively control a suspension of the human-powered vehicle in accordance with the information detected by the sensor.

Method for monitoring a state of wear of a damping device
11584270 · 2023-02-21 · ·

The invention relates to a method for monitoring a state of wear of a damping device within a system. The system includes a vehicle seat having a first portion which is movably mounted in at least one direction with respect to a second portion, a damping device for damping oscillations is arranged between the first portion and the second portion, and a first sensor that determines an instantaneous relative position of the first portion with respect to the second portion. A displacement function in relation to the relative position of the first portion with respect to the second portion is defined as a function of time, and a current value of the displacement function is determined at selected intervals and summed. The sum is compared with a predetermined first limit.

Damping control apparatus and method for a vehicle
11584183 · 2023-02-21 · ·

A damping control apparatus has a control unit that controls an active actuator that generates a control force to damp a sprung, and a storage device for storing a unsprung displacement acquired based on a vertical motion state quantity of a vehicle when the vehicle travels, and the control unit determines a predicted wheel passage position where a wheel is predicted to pass, calculates a time derivative value of an unsprung displacement at the predicted wheel passage position acquired by a preview sensor, calculates a target control force based on a sum of a first control component proportional to the time derivative value and a second control component proportional to an unsprung displacement at the predicted wheel passage position acquired from the storage device, and controls a control force generating device so that a control force when the wheel passes the predicted wheel passage position becomes the target control force.

Pitch and roll control system for a vehicle

A vehicle includes a suspension system having a first damper, a second damper, valves and a controller. Each of the first damper and the second damper include a housing and a piston sealingly interfaced with an inner diameter of the housing, dividing the damper into a first and second chamber. Each valve controls flow rate of fluid entering or exiting at least one of the first and second chamber of at least one of the first damper and the second damper. The controller controls the valves to control extension or compression of at least one of the first damper and the second damper based on at least one of a degree of roll of the vehicle during a turn of the vehicle and a degree of pitch of the vehicle during acceleration of the vehicle or a degree of pitch of the vehicle during deceleration of the vehicle.

WHEEL SUSPENSION CONTROL SYSTEM FOR A VEHICLE AND A METHOD OF CONTROLLING A SUSPENSION DEVICE
20230097194 · 2023-03-30 ·

The invention relates to a wheel suspension control system for a vehicle. The system comprises a suspension device, a wheel end bearing, at least one vibration sensor and a processing circuitry. The vibration sensor is provided at or in the wheel end bearing for measuring vibrations propagated from the road wheel to the wheel end bearing when the road wheel travels on a road having surface variations, wherein the vibration sensor is configured to transmit measurement signals representing the measured vibrations. The processing circuitry is configured to receive the transmitted measurement signals and to control at least one suspension parameter of the suspension device based on the received measurement signals. The invention also relates to a vehicle and to a method for controlling a suspension device.