714results about "Vehicle body stabilisation" patented technology

A motor vehicle comprising a rear wheel and a body having a floor arranged to face a ground during use is disclosed, the floor having a rear end portion defining a diffuser to expand an underlying aerodynamic flow, thereby generating downforce, and a rear wheel arch defining an underlying wheel well housing the rear wheel. The motor vehicle further comprises a duct extending through the body from an inlet to an end section having an opening discharging onto the wheel well between the rear wheel and an intermediate portion of the diffuser according to a pitch axis of the motor vehicle.

Narrow vehicles have multiple advantages but tend to have a limited application because they are roll unstable. The use of flywheels to increase their stability is a known method but the operation range, complexity, performance and cost usually limit the application of these vehicles. Stability and agility enhancement system and method enabling the application of stabilizing forces from flywheels and the steering of the trajectory concurrently and cooperatively with the driver's steering and assistance enable the benefit of reduced cost and complexity while providing enhanced performances, intuitive control, safety and operation range.

An adjustable ride height vehicle aerodynamic system comprises an aerodynamic element ride actuator and an aerodynamic element angle actuator connected in series and mounted in a vehicle. An aerodynamic element is adapted to rest in an inactive stowed position and to move from the stowed position to at least one active deployed position at an angle in relation to a vehicle underbody under the control of the aerodynamic element angle actuator to alter vehicle aerodynamic characteristics. The aerodynamic element ride actuator is adapted to extend and retract synchronously with a respective vehicle ride height increase and decrease, and the aerodynamic element angle actuator is adapted to extend and retract respectively to deploy and to stow the aerodynamic element.

The utility model discloses an automobile suspension front cross beam mass block which comprises a suspension shaft body, a limiting ring is arranged on the side wall of the middle of the suspension shaft body, and a mass block assembly is fixedly installed on the outer side wall of the suspension shaft body. The mass block assembly comprises a fixed clamping mechanism, and a mass assembling assembly is arranged below the fixed clamping mechanism. Through the arrangement of the limiting ring and the fixed clamping mechanism, when the mass block assembly is assembled on the suspension shaft body, the fixed clamping mechanism and the limiting ring are matched for limiting to clamp and fix the suspension shaft body, the stability and compactness of installation are guaranteed, and assembly is convenient and firm; through the arranged mass assembling assembly, the balancing weight can be disassembled and assembled according to requirements to adjust the weight, the balancing weight is clamped in the middle, a stable installation environment is provided for the balancing weight, the gravity center of the mass is kept in the middle, and it is guaranteed that the gravity center of a vehicle body is stable.

A downforce control system of a host vehicle includes: at least one module configured to generate a first bias lower bound and a first bias upper bound; a parameter module configured to determine a current understeering angle of the host vehicle; an adaptive bias bounding module configured to generate an understeer and oversteer multiplier based on the current understeering angle; a fusion module configured, based on the first bias lower bound, the first bias upper bound, and the understeer and oversteer multiplier, to generate a second bias lower bound and a second bias upper bound; and a downforce tracking module configured, based on the second bias lower bound and the second bias upper bound, to adjust position of one or more downforce devices of the host vehicle.

A passive jet system for disrupting an airflow at a surface of a front wheel for a vehicle includes a duct including an inlet exposed to an airflow, an outlet fluidically directed toward a forward surface of the front wheel, and a passage having a flow-accelerating profile operable to increase a velocity of the airflow passing from the inlet toward the outlet.

A method for drift detection and control for a vehicle may include determining an intentional drift probability of the vehicle based at least in part on one or more occupant inputs. The method further may include determining an initial aero bias upper bound using a first control system. The method further may include determining an initial aero bias command using a second control system. The method further may include determining a final aero bias upper bound based at least in part on the intentional drift probability, the initial aero bias upper bound, and the initial aero bias command. The method further may include controlling one or more aerodynamic actuators of the vehicle based at least in part on the final aero bias upper bound and the initial aero bias command.

The invention relates to the technical field of agricultural machinery, in particular to a rotary gravity center regulating crawler platform for hills and mountains, which sequentially comprises a crawler chassis assembly, a gravity center regulating assembly and a functional module mounting platform from bottom to top, the gravity center adjusting layer is installed on the chassis rack and located in the space between the crawler belts on the two sides, the gravity center adjusting layer is composed of a supporting base, a slewing bearing module, a linear lead screw module, a battery balancing weight and a machine shell, and the balancing weight is preferably a power battery pack; and the functional module mounting platform is fixed at the upper end of the gravity center adjusting assembly. By adjusting the angular and radial distribution of the counterweights, the center-of-gravity position of the whole machine under the working conditions of cross slopes, longitudinal slopes and obstacle crossing is changed, the stability and driving safety of the crawler belt platform in complex terrains of hills and mountains are improved, and the crawler belt platform can be provided with different functional modules according to operation objects. The method is suitable for various hilly and mountainous region agriculture and engineering application scenes.

A method of producing a desired driving performance for a vehicle includes regulating a pressure inside a bladder, which defines an outer surface of the vehicle. A change in the bladder pressure changes the shape of the bladder, and thereby changes a shape of the outer surface of the vehicle, thus affecting the aerodynamics of the vehicle. The bladder pressure is regulated to be at a target bladder pressure based on the driving condition of the vehicle, which target bladder pressure can be derived from real-time machine learning or based on previous testing of a prototype of the vehicle, and thus affects aerodynamics of the vehicle so as to produce the desired driving performance for the vehicle in the driving condition.

A vehicle with vehicle traction enhancement system providing increased tractive force is disclosed. The traction enhancement system includes a thruster. The thruster includes a prime mover and an air pressure generator. The traction enhancement system further includes an energy storage to provide energy for the prime mover. The thruster is mounted on vehicle chassis structure, body, and / or suspension, substantially vertical to the vehicle to provide an upward thrust to the vehicle to increase the reactive downward normal force to provide the enhanced tractive force.

A method for determining a desired lateral acceleration of a vehicle is provided. The method may include determining a first raw lateral acceleration request based at least in part on a steering wheel angle of the vehicle. The method may also include determining a maximum allowable lateral acceleration based at least in part on the tire slip model. The method may also include determining a desired lateral acceleration based at least in part on the first raw lateral acceleration request and the maximum allowable lateral acceleration. The method may also include adjusting operation of the vehicle based at least in part on the desired lateral acceleration.

A vehicle with a bodywork having a plurality of panels; wherein one or more of said panels are morphing panels having an external covering made of elastically deformable material.

A car spoiler may include a spoiler, and the spoiler has two arms, a main body, and two lateral portions. The two arms secured on a vehicle are connected to the main body, and each of two lateral ends of the main body is connected to one lateral portion. A rear side of the main body has at least a spoiler piece, and the spoiler piece is assembled with the main body through any number of connecting member, so that the different shapes, sizes, angles and curvatures of spoiler piece is detached, replaced, and reassembled with the main body to improve the stability of the vehicle.

A vehicle includes a battery module compartment, a sensor network, a vehicle battery and an electronic controller. The sensor network is provided on the vehicle and including at least one weight sensor to detect weight distribution information regarding the vehicle. The sensor network further includes at least one environmental sensor configured to detect information regarding the vehicle's vicinity. The vehicle battery is movably mounted on a battery mounting device provided in the battery module compartment. The electronic controller is in electronic communication with the sensor network to receive the detected weight distribution information. The electronic controller is electronically controlling the battery mounting device to adjust a mounting position of the vehicle battery based on at least one of the weight distribution information and the information regarding the vehicle's vicinity.

A vehicle, a method of controlling a vehicle, and a non-transitory computer readable storage medium are described. The vehicle can comprise a management and control system associated to onboard systems and / or to a driving input interface and / or to the engine and / or powertrain and / or to at least one wheel and / or to the chassis. The management and control system can: determine aggregated command outputs; detect one or more dynamic parameters exceeding a threshold safety value; selectively prioritize each of the aggregated command outputs based on one or more of the dynamic parameters to change from a user-selected driving mode to a safety driving mode; and change the prioritized safety driving mode back to the user-selected driving mode in response to the one or more of the dynamic parameters no longer exceeding the threshold safety value.

A road vehicle has a support frame delimited, on the lower side, by an aerodynamic bottom; a passenger compartment; an outer body; a front compartment obtained in the outer body and delimited by a front bumper and by a front hood; and a downforce wing, which is configured to generate a downforce on the road vehicle and is provided with a deflector, which is movable, relative to the downforce wing, between a rest position, in which the deflector is substantially contained in an airfoil of the downforce wing, and an operating position, in which the deflector projects from the downforce wing.

A method for active downforce control for a vehicle may include determining an out-of-phase interaction index between a driver of the vehicle and a controller. The controller is configured to control one or more aerodynamic actuators. The method further may include determining one or more active downforce control inputs based at least in part on the out-of-phase interaction index. The method further may include controlling the one or more aerodynamic actuators based at least in part on the one or more active downforce control inputs.

In the present disclosure, the side spoiler is provided on a lower side of a mobility vehicle so that aerodynamic performance is improved, and a deployment angle of the side spoiler is controlled according to driving conditions and road conditions so that desired aerodynamic performance is realized, and damage to the side spoiler is prevented. In addition, introduced is a side spoiler device for the mobility vehicle, in which the side spoiler is divided into a plurality of side spoilers so that aerodynamic performance for each driving situation is optimized through individual control of each side spoiler.

A road vehicle has a support frame delimited, on the lower side, by an aerodynamic underbody; a passenger compartment; an outer bodywork; a front compartment delimited by a front bumper and a front bonnet; a first duct having a first inlet made through the aerodynamic underbody and a first outlet made through the front bonnet; and a second duct, which has a second inlet made through the front bumper, flows into the first duct so as to have a second outlet made inside the first duct, and is delimited, on the lower side, by a front wing configured to generate a downforce on the aerodynamic underbody itself.

A movable spoiler device is provided in the disclosure. The movable spoiler device includes: a fixed part, fixed on a body of a vehicle; a movable part, configured to be movable between a storage position connected to the fixed part and a deployed position protruding from the fixed part toward rear of the vehicle; an actuator, disposed on the fixed part and drives the movable part to move in a front-rear direction of the vehicle; and a cover member, disposed on the fixed part and connected to the movable part so as to be linked with the movable part, in which there is a gap between the movable part and the fixed part due to the movement of the movable part, when the movable part moves from the storage position to the deployed position, the cover member is driven by the movable part to move and cover the gap.

A system for controlling at least one active aerodynamic appendage of a road vehicle is described, comprising an actuation control unit operating to implement a predictive control of the active aerodynamic appendage, based on an estimation, performed dynamically while the road vehicle is in motion, of an aerodynamic load demand of the road vehicle in a route section subsequent to one currently travelled.

The invention discloses an omni-directional bouncing robot capable of automatically triggering and releasing rope pulling stored force, and relates to the field of robots. An existing bouncing robot adopts a connecting rod transmission mechanism, so that the whole bouncing robot is heavy, and light-weight and compact design is not facilitated. The feet of the device can be supported on the ground; the supporting seat is positioned above the foot part; one end of the ejection mechanism is connected with the supporting seat, and the other end is movably connected with the foot part; the at least two rope driving mechanisms are uniformly distributed around the ejection mechanism, each rope driving mechanism comprises a winding roller, a rope and a first driving motor, the winding roller is rotatably mounted on the supporting seat, the first driving motor is slidably mounted on the supporting seat and can drive the winding roller to rotate, one end of the rope is wound on the winding roller, and the other end of the rope is connected with the foot part; in the process that the winding roller is driven by the first driving motor to wind the rope, the ejection mechanism continuously accumulates force until the ejection mechanism triggers the first driving motor to be separated from the winding roller, the rope is loosened, and the ejection mechanism releases the stored elastic potential energy, so that the ejection mechanism drives the foot to bounce.

A road-use motor vehicle comprising a vehicle-vehicle body provided with a plurality of ground-resting wheels, a powertrain adapted to drive into rotation at least one of said ground-resting wheels; an underbody, which is arranged to cover, or is integrated into, the lower part of the vehicle-vehicle body so as to directly face the ground; at least one pair of side skirts, which have a ribbonlike structure, are flag-hinged to the underbody on opposite sides of a vehicle vertical midplane so as to vary their incline with respect to the vertical, and are adapted to prevent the airflows that flow along the lateral sides of the vehicle from reaching the central area of the underbody, and an electronic drive system, which is adapted to rotate said side skirts so as to vary the ground distance of the distal longitudinal edges of the same side skirts.

A composite panel includes a matrix, actuator elements disposed within the matrix or secured to an exterior surface of the composite panel, a plurality of slits, and an electrical termination area coupled to the shape memory fibers / elements. The plurality of slits are arranged parallel to each other and extend through at least a portion of a thickness of the composite panel. A power supply is configured to apply a burst voltage to the shape memory fibers / elements to change a shape of the composite panel, thereby modifying an airflow extending across the composite panel during operation.

An aerodynamic system can include a first canard extending from a first surface of a body of an automobile; one or more actuators operably coupled to the first canard, the one or more actuators being configured at least to rotate the first canard about a rotational axis generally perpendicular to the first surface of the body; one or more controllers in operable communication with at least the one or more actuators, wherein the one or more controllers are configured at least to: send at least a first command signal to the one or more actuators to rotate the first canard from a first angle to a second angle; send at least a second command signal to the one or more actuators to rotate the first canard from the second angle to a third angle; wherein the third angle is different than the first angle and the second angle.

Disclosed is an aerodynamic system for an underside of a vehicle, the system comprising: an aerodynamic chassis, the aerodynamic chassis comprising a main compartment bounded by a plurality of walls and a floor extending between the walls; and an aerodynamic device, the aerodynamic device comprising: a mounting structure, the mounting structure being fixedly mounted to the floor of the aerodynamic chassis; and an aerodynamic body, the aerodynamic body comprising a leading edge, a trailing edge and at least two outboard edges, the aerodynamic body being fixable to the floor of the aerodynamic chassis by the mounting structure, the mounting structure being located wholly inboard of the outboard edges of the aerodynamic body.

A three-wheeled vehicle includes a vehicle frame supported by a single wheel engaging the ground in the front and two wheels engaging the ground in the rear. The operator area of the vehicle may include seating for a driver and a passenger, one in front of the other. The three-wheeled vehicle is uniquely designed so that it can be easily modified by addition or removal of additional structures after it is purchased. The vehicle is ultra-narrow but achieves stability by unique mechanisms.