A damping control system for a vehicle having a suspension located between a plurality of ground engaging members and a vehicle frame are disclosed. The vehicle including at least one adjustable shock absorber having an adjustable damping characteristic.

An apparatus for controlling a stabilizer bar including: a steering angular velocity detection unit configured to detect a steering angular velocity of a vehicle in operation; a steering angle detection unit configured to detect a steering angle of the vehicle; and a control unit configured to determine whether the vehicle is turning, based on the steering angular velocity information and the steering angle information of the vehicle, and perform clutch coupling by driving a clutch of a stabilizer bar having the clutch applied thereto, when it is determined that the vehicle is turning. The control unit decides a clutch coupling time period in response to an instantaneous turning velocity of the vehicle, and performs the clutch coupling in response to the decided clutch coupling time period.

A vehicle includes: a vehicle body; three or more wheels; an operation input unit to be operated to input a turning direction; and a lean mechanism for leaning the vehicle body in its width direction. Within at least partial range of vehicle velocity, the vehicle is configured to travel in a mode in which the vehicle body is leaned by the lean mechanism according to an input into the operation input unit, and a steering angle of a steered wheel changes following a lean of the vehicle body. And, the vehicle includes a changing device for changing a turn resistance force acting between the vehicle body and the steered wheel.

A tilting car frame comprising a lower center frame including a horizontal member, a first support member, a second support member, and first and second horizontal link members each having a vertical link. A rotation center axis support extends from a center of the horizontal member. A first variable length lever link is slidably connected to the first support member and is facing the rotation center axis support, and a second variable length lever link is slidably connected to an end of the second support member that is facing the rotation center axis support. A rotating member having first and second extension members is rotatably connected to the rotation center axis support, wherein the first extension member is hinged to an end of a first variable length link member, and the second extension member is hinged to an end of a second variable length link member.

A tilt control system for a sidecar and a motorcycle. The tilt control system can include a main frame, a tilting frame, and an actuator. The actuator can be coupled to the main frame and to the tilting frame, and can be configured to control tilting of the tilting frame relative to the main frame. The tilt control system can include a sensor, and a controller in communication with the actuator and the sensor. The controller can be configured to determine an operating parameter based on sensor data received from the sensor, compare the operating parameter to a threshold criteria, and cause the actuator to control the orientation of the tilting frame relative to main frame, based on the comparison of the operating parameter to the threshold criteria.

A suspension and traction system is described for a vehicle equipped with a frame and a propulsive element (92) by rolling on the ground. An electric actuator (M3) is used for determining a steering angle () of the propulsive element.

Disclosed herein are a vehicle control system and controlling method thereof. The vehicle control system includes a plurality of sensors configured to measure a wheel speed, a steering angle, a yaw rate, and acceleration value, and a controller estimating the state of a vehicle based on the wheel speed, the steering angle, the yaw rate, and the acceleration value and updating a front and rear wheel stiffness of the vehicle when it is determined that the vehicle is running on an asymmetric friction surface from the estimated state of the vehicle.

The four wheel steering vehicle utilizes a cage system that extends along the longitudinal axis to protect the driver coupled to a center rail chassis. Front and Back independent suspension links extend outward along the lateral axis pivotally connected to the wheel assemblies enabling four wheel independent suspension. A centrally located pivoting shock provides both steering control and suspension attachment for the shock and spring. The vehicle is controlled by the driver using a steering wheel, acceleration pedal, and a brake pedal. The invention provides a feeling of integration with the vehicle as the driver rolls into turns with the vehicle, while minimizing fatigue caused by the continuous resistance to centrifugal cornering forces.

Self-propelled vehicles that adjust the pitch of the vehicle during use are disclosed. The vehicle may include a suspension system position sensor and a control unit that adjusts a suspension element based at least in part on a signal from the suspension system position sensor. In some embodiments, the self-propelled vehicle may include an inclinometer for measuring the pitch of the terrain.

A camber control system of a vehicle includes a camber actuator configured to adjust a camber angle of a wheel of the vehicle. A camber control module is configured to: determine a target camber angle for the wheel based on one or more operating parameters; and actuate the camber actuator based on the target camber angle, thereby adjusting the camber angle of the wheel toward the target camber angle.