An inertial regulation active suspension system based on posture deviation of a vehicle and a control method thereof are provided. The system comprises a vehicle body, an inertial measurement unit, an electronic control unit, a servo controller group, a plurality of wheels, suspension servo actuating cylinders respectively corresponding to the wheels, and displacement sensors for measuring a stroke of the suspension servo actuating cylinders. The electronic control unit reads posture parameters of the vehicle body measured by the inertial measurement unit, and calculates a deviation between the postures of the vehicle body at a current moment and at a previous moment, and then outputs posture control parameters to the servo controller group. The servo controller group controls extension and retraction of each of the suspension servo actuating cylinders according to the posture control parameters and displacement feedback values of the displacement sensors.

A vehicle-mounted motion simulation platform based on active suspension and a control method thereof is provided. The vehicle-mounted motion simulation platform includes a vehicle body, a motion simulation platform fixedly connected to the vehicle body, an upper computer for posture control, a gyroscope, a plurality of wheels, and suspension servo actuating cylinders and displacement sensors corresponding to the wheels respectively, an electronic control unit, and a servo controller group. The electronic control unit calculates posture control parameters based on the posture instructions of the motion simulation platform input by the upper computer for posture control and posture information of the motion simulation platform measured by the gyroscope, and then outputs the posture control parameters to the servo controller group. The servo controller group controls extension of the respective suspension servo actuating cylinders according to the posture control parameters to realize follow-up control over the posture of the motion simulation platform.

A work vehicle includes a vehicle body, a plurality of traveling devices disposed on the right and left sides on the front and rear sides of the vehicle body respectively, a plurality of bending link mechanisms configured to liftably support each one of the traveling devices to the vehicle body and a plurality of drive operating devices capable of changing the posture of each one of the plurality of bending link mechanisms. The vehicle body is split into a front side body section and a rear side body section. The front side body section and the rear side body section are configured to be bendably pivotable relative to each other via a pivot interlocking mechanism.

A bogie positioning system and method for a work machine. The bogie positioning system adapted to selectively engage a wheel of a work machine to a ground surface through a bogie assembly wherein the bogie assembly may have a front wheel coupled to a rear wheel through a bogie coupling mechanism. The bogie coupling mechanism comprising a beam with a rotary joint. The rotary joint allowing the front wheel to rotate about a rotary axis relative to the rear wheel. The beam is coupled to a chassis of the work machine with at least one actuator coupled to the beam. A control unit is in communication with the bogie assembly, a user input interface, and a plurality of sensors, generating command signals to actuate the actuator based on the input signals, thereby selectively engaging the front wheel or the rear wheel with the ground surface.

A method and system controls active shock absorbers in an off road vehicle. X- Y- and Z-signals from at least one accelerometer sensor are received and analyzed in an ECU to make a vehicle travel status assessment. A recent history of Y-signals is analyzed to determine a vibration frequency of the vehicle relative to its natural suspension frequency. By using either a) two 3-axis accelerometer sensors are positioned high on the frame along a centerline of the vehicle, or b) a single accelerometer sensor is positioned just underneath the driver's seat, the cost of implementation is reduced while protecting the accelerometer sensor(s) from damage. In addition to vibration frequency, the ECU can determine the onset and conclusion an acceleration event, a deceleration event, a cornering event, or a jumping event, outputting signals used to adjust the damping coefficient of each of the active shock absorbers.

A method for controlling vehicle motion is described. The method includes: comparing a measured acceleration value associated with a movement of a vehicle component of a vehicle with a predetermined acceleration threshold value that corresponds to the vehicle component, wherein the vehicle component is coupled with a frame of the vehicle via at least one vehicle suspension damper; monitoring a state of at least one valve within at least one vehicle suspension damper of the vehicle, wherein the state controls a damping force within the at least one vehicle suspension damper; and based on the comparing and the monitoring, regulating damping forces within the at least one vehicle suspension damper by actuating the at least one valve to adjust to a desired state, such that an acceleration of the frame is reduced.

Chassis arrangement for a motor vehicle for passenger transportation, having two axles which are arranged at a spacing from one another in the motor vehicle longitudinal direction and in each case have wishbones with the incorporation of a spring element for the independent wheel suspension system. A first axle, lying at the front in a driving direction, is lowered from a neutral position by from 5 to 50 mm, 10 to 20 mm, in order to drive in said driving direction, and a second axle, lying at the rear in the driving direction, is raised by from 5 to 50 mm, 10 to 20 mm, in each case by way of adjustment of the spring elements, it being possible for the driving direction to be reversed.

Systems and methods to control suspension of a vehicle are disclosed. An example apparatus includes one or more processors coupled to a vehicle. The one or more processors are to generate road profile data while the vehicle is moving and generate suspension control data based on the road profile data. A suspension of the vehicle is to be adjusted based on the suspension control data. The one or more processors also determine a distance traveled by the vehicle during a time interval. The time interval is associated with generating the road profile data or adjusting the suspension. The one or more processors also adjust the suspension based on the suspension control data, the distance, and a preview distance associated with the vehicle.

An aerocar with a dual mode suspension system configured to operate in a roadable mode and a flight mode. The aerocar may include a front suspension assembly having a front axle, and a rear suspension assembly having a rear axle. A conduit system provides a hydraulic fluid in fluid communication between the front suspension assembly and the rear suspension assembly. An auxiliary hydraulic fluid reservoir is provided in fluid communication with the conduit system, and configured to selectively maintain or interrupt fluid communication between the front suspension assembly and the rear suspension assembly to adjust damping of the front suspension assembly. A controller may be provided, configured to direct the flow of hydraulic fluid from the rear suspension assembly to the front suspension assembly, for example, when a stroke of the rear suspension exceeds a predetermined value during landing.

A moving body includes a frame, a pair of right and left first wheels, a pair of right and left second wheels, a pair of right and left first parallel links connecting the first wheels and the second wheels, and a second parallel link connecting the pair of right and left first parallel links. Furthermore, a height changing unit connects the second parallel link and the frame and changes a position of the frame in a height direction with respect to the second parallel link, and a controller controls the height changing unit so as to maintain a height of the frame from a road surface.