A device for autonomously driving a transportation vehicle having at least one sensor system for sensing a surrounding area of the vehicle, at least one controller for controlling at least one actuator system of the vehicle, and a memory for storing a map of the surroundings, wherein the at least one controller evaluates surroundings data collected by the at least one sensor system, determines the location of the vehicle by the evaluated surroundings data in the map of the surroundings, and controls the at least one actuator system of the vehicle so that a predefined trajectory is travelled autonomously, wherein the controller has an obstacle-detection device to detect obstacles in the surroundings of the vehicle, wherein the at least one sensor system has at least one acceleration sensor, and the obstacle-detection device uses measurement data collected by the at least one acceleration sensor to detect collisions with obstacles.

A method and system for detecting frequent lane changes of moving vehicles are disclosed. A method for detecting frequent lane changes of moving vehicles including extracting the Z axis angular velocity values, and storing those Z axis angular velocities, from the Z axis angular velocity of which numerical product is negative, analyzing the Z axis angular velocities stored in the specific time period, and judging the number of the Z axis angular velocities with the numeral number 0. It is determined whether the vehicle has made frequent lane changes or not in its moving process, so that an active monitoring for vehicle travelling statuses is implemented, thereby normalizing driving behaviors, and reducing traffic accidents.

A damping control system for a vehicle having a suspension located between a plurality of ground engaging members and a vehicle frame includes at least one adjustable shock absorber having an adjustable damping profile.

A system that includes an accelerometer configured to measure acceleration of a vehicle, a gyroscope configured to measure orientation of the vehicle, a memory having computer readable instructions, and a processor for executing the computer readable instructions. The computer readable instructions include performing at intervals: receiving acceleration data from the accelerometer; receiving orientation data from the gyroscope; combining the acceleration data and the orientation data to generate speed fluctuation and slope data for the vehicle; and transmitting the fluctuation and slope data to a controller of the vehicle. The controller utilizes the speed fluctuation and slope data to modulate an engine throttle of the vehicle.

A driving assistance method includes: a step of, by a driving assistance apparatus, calculating a power spectrum by a frequency analysis of an acceleration obtained by a three-dimensional accelerometer; a step of, by the driving assistance apparatus, obtaining information on an angle based on a magnitude of an inclination of a single regression line of the power spectrum in a predetermined frequency range; a step of obtaining a speed by the driving assistance apparatus; a step of, by the driving assistance apparatus, calculating a traffic jam sign index as a product of a value associated with a degree of variation in the angle and a value associated with the speed; and a step of, by the driving assistance apparatus, sensing a traffic jam sign based on a change in the traffic jam sign index within a predetermined time.

A system and method are provided for efficiently estimating vehicle tire wear. Vehicle kinetics (first) data are provided via one or more sensors associated with the vehicle and/or at least one associated tire. The vehicle kinetics data are locally processed to compress or otherwise generate second data as a reduced subset thereof, said second data representative of the first data and comprising any one or more predetermined wear-specific features extracted therefrom. The second data are selectively transmitted via a communications network to a remote computing system, which processes the second data to estimate a wear characteristic for the at least one tire. Alternatively, the second data processed to generate third data as a reconstruction of the first data, and the third data and the any one or more extracted features are processed to estimate a wear characteristic for the at least one tire.

Vehicle drive and control systems are disclosed. A utility vehicle includes a first electric drive motor configured to drive a first traction wheel, a second electric drive motor configured to drive the a traction wheel, a steering wheel configured to receive a first user input, one or more pedals configured to receive a second user input, a steering input sensor, and a drive input sensor. The steering input sensor is configured transmit a steering input signal that corresponds with a steering input position. The drive input sensor is configured to transmit a drive input signal that corresponds with a drive input position. A plurality of controllers are configured to collectively generate, based on the steering input signal and the drive input signal, a first drive signal to drive the first electric drive motor and a second drive signal to drive the second electric drive motor.

A method of and system for detecting absolute acceleration along various axes relative to a desired movement vector while moving relative to a gravity source includes steps of determining a vertical acceleration, perpendicular to the desired movement vector and substantially anti-parallel to a gravitational acceleration due to the gravity source; determining a longitudinal acceleration, parallel to the desired movement vector and to output at vertical acceleration signal and a longitudinal acceleration signal; determining an inclination of the desired movement vector relative to the gravitational acceleration; and processing the vertical acceleration signal, the longitudinal acceleration signal, and the inclination signal to produce an absolute vertical acceleration signal and an absolute longitudinal acceleration signal.

A method of and system for detecting absolute acceleration along various axes relative to a desired movement vector while moving relative to a gravity source includes steps of determining a vertical acceleration, perpendicular to the desired movement vector and substantially anti-parallel to a gravitational acceleration due to the gravity source; determining a longitudinal acceleration, parallel to the desired movement vector and to output at vertical acceleration signal and a longitudinal acceleration signal; determining an inclination of the desired movement vector relative to the gravitational acceleration; and processing the vertical acceleration signal, the longitudinal acceleration signal, and the inclination signal to produce an absolute vertical acceleration signal and an absolute longitudinal acceleration signal.

A method of and system for detecting absolute acceleration along various axes relative to a desired movement vector while moving relative to a gravity source includes steps of determining a vertical acceleration, perpendicular to the desired movement vector and substantially anti-parallel to a gravitational acceleration due to the gravity source; determining a longitudinal acceleration, parallel to the desired movement vector and to output at vertical acceleration signal and a longitudinal acceleration signal; determining an inclination of the desired movement vector relative to the gravitational acceleration; and processing the vertical acceleration signal, the longitudinal acceleration signal, and the inclination signal to produce an absolute vertical acceleration signal and an absolute longitudinal acceleration signal.