An air suspension system and a method of controlling the same. The air suspension system includes air springs, each having a first input port, the air springs adjusting heights of left and right front and rear wheels, a data collection unit configured to receive data regarding a vehicle state, a solenoid valve configured to control the flow of compressed air, a double-acting cylinder whose piston rod is moved to guide the flow of the compressed air in left and right directions, so that the compressed air is supplied to the air springs through the solenoid valves connected to left and right sides of the double-acting cylinder, a drive unit having a drive motor to move the piston rod, and a sub-control unit configured to set a driving position and driving acceleration, based on the vehicle state, and to operate the solenoid valve and the drive unit.

A vehicle includes an inertial measurement unit (IMU); and a controller electrically connected to the IMU. The controller is configured to receive an output signal including at least one of an angular velocity and an acceleration from the IMU, to identify a driving state of the vehicle according to at least one of the output signal, a steering angle of the vehicle, a steering angular velocity of the vehicle, a number of gear stages of the vehicle, a wheel speed of the vehicle, and a braking pressure of the vehicle, to identify an offset and an offset reliability of the output signal according to the driving state of the vehicle, and to transmit a signal from which the offset is removed from the output signal according to the offset and the offset reliability.

A parking assistance apparatus includes: a route calculation unit configured to calculate a movement route for moving a vehicle to a parking target position; an inclination angle calculation unit configured to calculate first inclination angle information, calculate second inclination angle information by performing a filtering process, and when there is a deviation between the first inclination angle information and the second inclination angle information, reset the first inclination angle information used in the filtering process and calculate the second inclination angle information by performing the filtering process using first inclination angle information calculated after the resetting; and a movement control unit configured to execute movement control for controlling a driving force and a braking force to move the vehicle to the parking target position along the movement route, while adjusting the driving force and the braking force according to the second inclination angle information.

A parking assistance apparatus includes: a route calculation unit configured to calculate a movement route for moving a vehicle to a parking target position; an inclination angle calculation unit configured to calculate first inclination angle information, calculate second inclination angle information by performing a filtering process, and when there is a deviation between the first inclination angle information and the second inclination angle information, reset the first inclination angle information used in the filtering process and calculate the second inclination angle information by performing the filtering process using first inclination angle information calculated after the resetting; and a movement control unit configured to execute movement control for controlling a driving force and a braking force to move the vehicle to the parking target position along the movement route, while adjusting the driving force and the braking force according to the second inclination angle information.

A transport system has: a vehicle; a contactless traction motor secured to the vehicle; a traction surface engageable by the contactless traction motor; an active suspension system operatively connected to the vehicle and operable to vary a distance between the traction surface and the contactless traction motor; and a controller operable to control the contactless traction motor and the active suspension system to control movements of the vehicle along the traction surface.

A transport system has: a vehicle; a contactless traction motor secured to the vehicle; a traction surface engageable by the contactless traction motor; an active suspension system operatively connected to the vehicle and operable to vary a distance between the traction surface and the contactless traction motor; and a controller operable to control the contactless traction motor and the active suspension system to control movements of the vehicle along the traction surface.

A system includes inertial sensors and a GPS. The system generates a first estimated vehicle velocity based on motion data and positioning data, generates a second estimated vehicle velocity based on the processed motion data and the first estimated vehicle velocity, and generates fused datasets indicative of position, velocity and attitude of a vehicle based on the processed motion data, the positioning data and the second estimated vehicle velocity. The generating the second estimated vehicle velocity includes: filtering the motion data, transforming the filtered motion data in a frequency domain based on the first estimated vehicle velocity, generating spectral power density signals, generating an estimated wheel angular frequency and an estimated wheel size based on the spectral power density signals, and generating the second estimated vehicle velocity as a function of the estimated wheel angular frequency and the estimated wheel size.

A system includes inertial sensors and a GPS. The system generates a first estimated vehicle velocity based on motion data and positioning data, generates a second estimated vehicle velocity based on the processed motion data and the first estimated vehicle velocity, and generates fused datasets indicative of position, velocity and attitude of a vehicle based on the processed motion data, the positioning data and the second estimated vehicle velocity. The generating the second estimated vehicle velocity includes: filtering the motion data, transforming the filtered motion data in a frequency domain based on the first estimated vehicle velocity, generating spectral power density signals, generating an estimated wheel angular frequency and an estimated wheel size based on the spectral power density signals, and generating the second estimated vehicle velocity as a function of the estimated wheel angular frequency and the estimated wheel size.

The invention is related to a laser diode based multiple beam laser spot imaging system for characterization of vehicle dynamics. A laser diode based, preferably VCSEL based laser imaging system is utilized to characterize the vehicle dynamics. One or more laser beams are directed to the road surface. A compact imaging system including an imaging matrix sensor such as a CCD or CMOS camera measures locations or separations of individual laser spots. Loading status of vehicles and vehicles' pitch and roll angle can be characterized by analyzing the change of laser spot locations or separations.

The invention is related to a laser diode based multiple beam laser spot imaging system for characterization of vehicle dynamics. A laser diode based, preferably VCSEL based laser imaging system is utilized to characterize the vehicle dynamics. One or more laser beams are directed to the road surface. A compact imaging system including an imaging matrix sensor such as a CCD or CMOS camera measures locations or separations of individual laser spots. Loading status of vehicles and vehicles' pitch and roll angle can be characterized by analyzing the change of laser spot locations or separations.