4153results about "Road vehicles" patented technology

The invention discloses a chassis coordination control method and system based on tire side deviation state evaluation, and relates to the technical field of four-wheel steering four-wheel drive vehicle dynamics control. The method comprises the steps that an expected front wheel rotation angle is determined based on an expected steering wheel rotation angle input by a driver, and a front wheel rotation angle is determined; further determining a feed-forward front wheel steering angle, a feed-forward rear wheel steering angle and an additional yaw moment based on feed-forward control and feedback control, determining a first tire slip angle and a second tire slip angle based on a road adhesion coefficient, and further determining a wheel torque control weight, a feedback front wheel steering angle control weight and a feedback rear wheel steering angle control weight; and further determining a driving yaw moment, a feedback front wheel steering angle and a feedback rear wheel steering angle, determining a total longitudinal force based on an expected longitudinal acceleration input by a driver, and performing four-wheel torque distribution based on the total longitudinal force and the driving yaw moment to obtain a four-wheel driving torque. The driving stability of the vehicle under the limiting working condition can be improved.

The invention provides an optical system, a control method, a vehicle optical signal device, a vehicle lamp and a vehicle, the optical system comprises at least one first light source assembly and a second light source assembly, and light emitted by the first light source assembly passes through an optical assembly and is emitted from a first light emitting area of a light emitting surface of the optical assembly; light emitted by the second light source assembly passes through the optical assembly and is emitted from a second light-emitting area of the light-emitting surface of the optical assembly, and at least partial area overlapping exists between the first light-emitting area and the second light-emitting area; wherein light emitted by the first light emitting area serves as a first light function, light emitted by the second light emitting area serves as a second light function, the first light function serves as a marker lamp of the driving automation system, and the second light function serves as other light functions with colors different from those of the first light function. Therefore, the structure and function multiplexing of the automatic system marker lamp and other signal lamps is realized, the cost of independently designing and manufacturing the automatic system marker lamp is effectively reduced, and the occupied space of the whole vehicle lamp is effectively reduced.

An electromechanical joint provides rotational movement in at least two dimensions while conducting electrical power between orthogonal hubs. The joint, shaped as a cross, has four conical shafts positioned orthogonally and apart from each other within an interior of a housing. Apexes of the conical shafts face each other proximate a centroid of the housing. A conductive fluid, such as Galinstan, fills recesses between the conical shafts. Separate yokes attached to pairs of the hubs may impart forces on the shafts, causing the shafts to rotate within the conductive fluid around orthogonal axes. The conductive fluid provides simultaneous conduction of electrical power between the hubs. The yokes may be affixed respectively to a current collector and conductive arms of a work machine for improved movement and power conduction without the need for additional components.

The diffuse reflection uniform light-emitting car lamp optical system comprises a lamp body, a circuit board, a light source and an aluminized reflection bowl, the light source is arranged on the circuit board, the diffuse reflection car lamp optical system further comprises a diffuse reflection reflecting plate, and the aluminized reflection bowl comprises a first diffusion pattern face arranged corresponding to the light source and a second diffusion pattern face arranged corresponding to the diffuse reflection reflecting plate; light emitted by the light source irradiates the aluminized reflection bowl, is reflected and diffused through the first diffusion pattern surface, irradiates the second diffusion pattern surface for reflection and diffusion, and then irradiates the surface of the diffuse reflection reflector to be reflected. The diffuse reflection uniform light-emitting car lamp optical system is reasonable in design, a good lighting effect is achieved through mutual cooperation of the reflection bowl, the fogging inner cover and the diffuse reflection reflector, and the diffuse reflection uniform light-emitting car lamp optical system is novel in light-emitting form, uniform in light-emitting effect and rich in layering sense.

The invention provides a distributed driving vehicle preset performance fault-tolerant control method and system based on an adaptive neural network observer. The method comprises the following steps: constructing a vehicle dynamics model containing motor faults and unknown disturbance; in order to realize real-time estimation of faults and disturbance and break through the limitation on disturbance derivative boundaries, a self-adaptive neural network observer is designed; aiming at the problem that the control direction is uncertain, an upper-layer controller is designed based on a preset performance control theory, a Nussbaum function and an obstacle Lyapunov function are introduced, it is ensured that system dynamic errors meet preset performance constraints all the time, and accurate tracking control over the transverse force, the longitudinal force and the yawing moment of a vehicle is achieved; in order to improve the system coordination capability under the multi-motor fault working condition, an optimal torque distribution model fusing the motor torque constraint and the tire force limit is constructed, collaborative optimization control of the driving and steering system is realized through a quadratic programming algorithm, and the stability and safety of the whole vehicle in the fault state are improved.

A motorcycle lamp includes: a lamp base including a mounting surface, and defining first and second directions; two main light devices spaced apart on the mounting surface and located oppositely in the first direction; only two auxiliary light devices spaced apart on the mounting surface and located oppositely in the second direction, each auxiliary light device including light emitting elements arranged in a direction non-parallel to the first direction, and an auxiliary light lens covering the light emitting elements; a controller connected to and configured to control the main light devices and the auxiliary light devices; and a tilt angle detector in communication with the controller, configured to detect and obtain a tilt angle data of the motorcycle; wherein the controller controls at least one of the light emitting elements of one of the auxiliary light devices to emit light according to the tilt angle data.

The utility model discloses a graphene carbon heat-conducting fin and reversible desiccant membrane combined membrane component for demisting an automobile lamp, a graphene carbon heat-conducting fin layer comprises a heat absorption area and a heat conduction area, the heat absorption area is arranged towards a heating element in the automobile lamp and is used for absorbing infrared heat, the heat conduction area is formed by extending from the heat absorption area to a cold area which is easy to fog, and the reversible desiccant membrane is arranged in the heat conduction area. The heat is exported for demisting; the reversible drying agent diaphragm layer is arranged in the heat conduction area and comprises a supporting framework layer, a functional layer and active filler; the support framework layer is an expanded polytetrafluoroethylene membrane with a microporous structure, the fog absorbent slurry forms a functional layer on the surface of the expanded polytetrafluoroethylene membrane, and the fog absorbent slurry is embedded into the microporous structure to form active filling. According to the utility model, heat generated by electrical elements in the automobile lamp is utilized to realize moisture absorption and desorption circulation of the reversible drying agent diaphragm, so that the fogging problem of a novel flat and long and narrow belt type automobile lamp is effectively solved, the structure is simple, and the cost is low.

The invention discloses a reflector structure for a projection imaging lens, which comprises a reflector body, the reflector body is placed in an optical projection imaging lens with more than two lenses, and the reflector body comprises a middle light-passing area, a middle light-passing area and a middle light-passing area, so that light of the optical projection imaging lens is emitted through the middle light-passing area to become direct emergent light; the upper end of the first reflecting region is small and the lower end is large; the upper end of the second reflecting region is large and the lower end is small; the optical projection imaging lens is vertically placed, the light source or the image source is arranged below the optical projection imaging lens, and the lens is arranged above the optical projection imaging lens; the reflector body is configured to be matched with a circular projection imaging lens in rotational symmetry or a projection imaging lens in a non-rotational symmetry structure. The surface brightness and uniformity of the light-emitting surface of the projection lens are improved.

The invention relates to an indirect rear viewing system for a motor vehicle having a supporting element for fastening at least one reflective element, wherein the supporting element has a coupling region for a position variable fastening / attachment to an adjusting element, which in turn can be attached to the vehicle, wherein the coupling region contacts a counter contact regions, of the adjusting element, wherein interlocking anti rotation means are present on the supporting element and on the adjusting element, wherein the anti rotation means are forming an index geometry, which, in a first operating state, permits an adjustment of the supporting element relative to the adjusting element about two axes of rotation, which are transverse to one another, and, in at least a second operating state, permits a basic position change of the supporting element relative to the adjusting element about a third axis of rotation which is aligned transversely to the two other axes of rotation.

The invention relates to a system for storing liquid hydrogen and for distributing gaseous hydrogen, comprising a source of liquid hydrogen (20), at least two gaseous hydrogen tanks (31-35) to be filled and a transfer device comprising: a transfer unit (25) configured to transfer liquid hydrogen from the hydrogen source (20) to any of the tanks, a vapour compressor (10) having a first upstream end and a second downstream end fluidly connected to each of the tanks, a set of valves (51-55), a control device configured to issue a command to transfer the liquid hydrogen and to open and / or close one or more valves (51-55), the compressor (10) being arranged so as to transfer vapours created during filling from any tank to each of the other tanks in succession, by compressing the vapors to a pressure greater than the pressure in the tank during filling.

The utility model discloses a front combination lamp integrated with an automatic driving system marker lamp. The front combination lamp comprises a shell assembly, a reflection assembly, a light distribution decoration assembly and a lamplight control module. A light control module is arranged on the shell assembly, a reflection assembly is arranged on one side of the shell assembly, the light distribution decoration assembly is connected with the shell assembly, and the light control module can control the light display state in the shell assembly. The utility model has the beneficial effects that the ADS marker lamp, the front position lamp and the steering and driving lamp are integrated and combined together and share one group of reflection component; even if an ADS marker lamp is not arranged, only the lamplight module needs to be removed, mold opening is not needed again, and the device has small influence on the vehicle shape, saves cost and is simple in structure.

A lamp for a vehicle including a lamp housing part configured to accommodate a light source, an outer lens part coupled to a first side of the lamp housing part, a vibration part fixed to the outer lens part, and a button part configured to be movable in a first direction toward the outer lens part and a second direction away from the outer lens part, the vibration part including a first module and a second module configured to face the first module, the first module including a first magnet, and the second module including a second magnet, a second magnet fixing portion, and a coil member provided at a second module side of the second magnet and accommodated in the second magnet fixing portion, and a first side of the button part being connected to one of the first module side or the second module side.

A battery disconnect unit including a housing, an electronic relay module installed on a charge / discharge line of a battery within the housing and including electronic switch devices capable of a switching operation of selectively blocking the flow of a current in the charge / discharge line, a heat dissipation cover provided with a structure surrounding at least a portion of the electronic relay module and formed of a material capable of heat exchange with the electronic relay module, and a cooling plate disposed in contact with the heat dissipation cover and provided to allow a refrigerant to flow in the cooling plate.

A method and an apparatus inclulde a housing, a headlamp comprising at least a lens portion fixed to the housing at a connection interface, and a fender supported by a vehicle structure relative to the housing such that an edge of the fender at least partially overlaps the connection interface. A deflector is associated with the connection interface and is configured to move the fender outwardly relative to the vehicle structure in response to an input load to the headlamp.

A hydrogen tank includes a tank body, a boss connected to at least one end of the tank body and having a skirt extending radially with respect to an axial direction of the tank body, and a nozzle installed inside the tank body via the boss and configured to spray hydrogen gas at a predetermined angle with respect to the axial direction of the tank body. The nozzle includes a connector coupled to the boss, an extension portion extending from the connector parallel to the axial direction of the tank body, an inclined portion connected to an end portion of the extension portion and inclined with respect to the axial direction of the tank body, and an injection member provided at an end portion of the inclined portion.

A device may include a vehicle component including a contoured body surface. A device may include a vent patch attached to and adapted to conform to the contoured body surface.

An insulation component manufacturing method for manufacturing flow-tight, light-weight, sustainable insulation components for vehicles, the insulation component having at least one tufted textile top cloth, a film as the steam-and air-tight flow-tight layer and an absorber layer from a nonwoven having fibers that run vertically upwards relative to the surface, and is manufactured by means of at least one steam vacuum tool. Also, a flow-tight, light-weight, sustainable insulation component for vehicles.

The invention relates to a gas storage tank body with a flexible characteristic, the gas storage tank body is applied to a vehicle pneumatic system, the gas storage tank body comprises a gas storage tank body and a gas flow connecting piece, the gas storage tank body is used for storing gas, the gas storage tank body is configured to be a flexible tubular gas storage body, the tubular gas storage body can be freely coiled in a vehicle seat, and the gas flow connecting piece is connected with the gas storage tank body. One end of the tubular gas storage body is sealed, and the other end of the tubular gas storage body is communicated with the gas flow connecting piece; the airflow connection piece is used for being connected with an air pipe assembly of the air using assembly so that air path communication between the tubular air storage body and the air using assembly can be achieved. The gas storage tank body has the characteristics of conformal shape, flexible arrangement, easy volume adjustment and light weight.

The utility model provides a multifunctional integrated intelligent lighting module and an automobile, and the multifunctional integrated intelligent lighting module comprises a high and low beam lighting module which comprises a first light source; the self-adaptive lighting module and the high and low beam lighting module are adjacently arranged and integrated in the outer lens support, the self-adaptive lighting module comprises a second light source, and the second light source adopts a partition module; the outer lens is connected to the side, away from the self-adaptive lighting module, of the outer lens support, the outer lens comprises a first part and a second part, the first part is designed in an equal wall thickness mode, and the second part is designed in a curvature mode and is of a pattern structure; wherein in the first direction, the first part covers the high and low beam lighting module, and the second part covers the self-adaptive lighting module. The technical problem that due to the fact that an optical system matched with a self-adaptive lighting module needs a large lamp panel area, the size of the module is large, and combination of multiple functions of the module cannot be achieved is solved.

The invention relates to a plastic-electricity integrated touch control interior ceiling lamp control panel for an automobile, a manufacturing method, an illumination control module and a touch control panel, the touch control panel comprises a decorative membrane, a light guide column, an injection molding shell, an FPC flexible circuit board and side light emitting lamp beads, the decorative membrane and the FPC flexible circuit board are formed in the injection molding shell in a plastic-electricity integrated injection molding mode, and the side light emitting lamp beads are arranged on the side light emitting lamp beads. The decorative membrane is located on the upper surface of the injection molding shell, the FPC is embedded into the injection molding shell, and side light-emitting lamp beads are arranged on the FPC and guide lamplight to the position of a semi-transparent character window of the decorative membrane through a light guide column which is arranged in the injection molding shell in an injection molding mode. The touch control switch has the advantages that the integrated injection molding structure integrates the LED light source and a circuit system, the waterproof and wear-resistant effects are achieved, the service life of more than 500,000 times of operation is achieved, and the technical bottlenecks of a traditional touch control switch in sensitivity, durability, waterproofness and product integration are systematically solved while the automobile gauge level reliability is ensured.

The present invention discloses a liquid hydrogen pressurization and refueling system synergistically driven by power and heat, at its core is a cascaded cryogenic and high-pressure vessel group, which achieves staged pressurization of liquid hydrogen to 80-100 MPa by combining reciprocating liquid hydrogen pump pressurization and equal-capacity thermal compression using cryogenic and high-pressure vessels, the filling of a vehicle-mounted storage tank occurs through these cascaded vessels; the pressurization and filling processes are closely integrated, with hydrogen flow in the filling process serving as a heat-transfer medium. Efficient in-tank thermal compression of the cryogenic and high-pressure vessels is achieved without additional driving force. Based on the combination of efficient low-pressure compression using the liquid hydrogen pump and high-pressure thermal compression without power consumption, the present invention fully utilized liquid hydrogen cooling capacity to replace the high pump power consumption typically required in the traditional pressurization process; and a cascaded storage tank is combined to reduce the exergy loss in the filling process, resulting in low-energy-consumption continuous filling of the liquid hydrogen refueling station.

A lighting device for vehicles is provided with a housing, a cover lens covering an opening in the housing, a light module containing a number of light sources, and an optical unit for generating a predefined light distribution. The optical unit contains an optical waveguide that has a light entry surface and a light emitting surface. The optical waveguide is connected to the cover lens. A first section of the optical waveguide, facing the light source, protrudes from the inner surface of the cover lens, or the light entry surface of the optical waveguide is flush with the inner surface of the cover lens. A second section of the optical waveguide, facing away from the light source, protrudes from the outer surface of the cover lens, or the light emitting surface of the optical waveguide is flush with the outer surface of the cover lens.

The utility model relates to the technical field of automobile lamp demisting, in particular to an automobile lamp demisting device which comprises a filtering module, a pressure module, a heater and a controller, the filtering module, the pressure module and the heater are sequentially connected through flexible pipes, and the controller is electrically connected with the pressure module and the heater. External air is filtered by the filtering module and then transmitted to the pressure module, the air is pressurized through the pressure module and conveyed to the heater, and the air is heated by the heater and then connected with an exhaust hole of the automobile lamp through a flexible pipe. External air is treated through the filtering module, and impurities and moisture are removed. And then, the gas is pressurized in the pressure module, realizes constant-pressure output, and is injected into the lamp after being heated by the heater. Heated gas enters from one exhaust hole of the automobile lamp and flows out from the other exhaust hole; the heated gas can quickly promote evaporation of water vapor in the lamp in the flowing process and take away moisture to demist the automobile lamp.

A lighting device for a motor vehicle, in particular a high-definition headlamp, includes an imaging component that has an active surface on which light-emitting diodes or laser diodes are arranged in a matrix to generate pixels in a light distribution in a targeted manner, and a projection lens with which the light emitted from the active surface is projected outward from the motor vehicle when the lighting device is in operation. The lighting device is designed to switch the projection lens from a first setting to a second and from the second setting to the first. The projection lens has a first focal length in the first setting, and a second focal length in the second setting, which is greater than the first focal length.

A high and low beam module comprises a lens, a lens support and an optical unit, the lens is arranged at the front end of the lens support and fixed to the optical unit through the lens support, the optical unit comprises a radiator, an LED circuit board, a condenser, a beam splitter and a beam splitter support, and the beam splitter is arranged on the beam splitter support. The LED circuit board and the condenser are respectively fixed on the radiator through the beam splitter bracket; the light splitting piece support is provided with a supporting table, a first abutting pressing foot, a second abutting pressing foot and a fixing hole, the supporting table is used for installing the light splitting piece, the first abutting pressing foot is used for fixing the LED circuit board to the radiator, the second abutting pressing foot is used for fixing the condenser to the radiator, and the fixing hole is used for fixing the light splitting piece support to the radiator; according to the utility model, the beam splitter, the condenser and the LED circuit board are simultaneously fixed on the radiator through the beam splitter bracket, so that the accuracy problem caused by multiple installation of a plurality of parts is avoided, and the problems in the prior art can be effectively solved.

A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

The invention discloses a four-wheel-drive vehicle speed estimation method, device and equipment and a storage medium, and the method comprises the steps: building a kinetic model of a current four-wheel-drive vehicle, carrying out the parameter calibration of the kinetic model, and obtaining a calibrated target kinetic model; a current road adhesion coefficient estimation value is obtained, non-slip wheels of the current four-wheel-drive vehicle are determined, the weights of the non-slip wheels are corrected according to the current working condition, and the current estimated vehicle speed of the current four-wheel-drive vehicle is obtained; the speed of the current four-wheel-drive vehicle is corrected based on the MPC and the current estimated speed, the method is applied to the target dynamic model to obtain the final speed of the current four-wheel-drive vehicle, the speed is corrected by combining the digital twin technology and the MPC algorithm at the same time, error accumulation in a traditional speed estimation method is effectively reduced, and the speed estimation accuracy is improved. The method improves the accuracy and reliability of vehicle speed estimation, can adapt to different vehicle working conditions and driving environments, has high adaptability, and improves the speed and efficiency of vehicle speed estimation of the four-wheel-drive vehicle.

Provided is a pneumatic radial tire for passenger vehicles in which the cross-sectional width SW of the tire and the outer diameter OD of the tire satisfy a predetermined relationship, and an end of the carcass (an end of a carcass turn-up portion when the carcass has the carcass turn-up portion) in one tire width-direction half that is on the inner side when the tire is mounted on a vehicle is located on the inner side in the tire radial direction than an end of the carcass turn-up portion in the other tire width-direction half that is on the outer side when the tire is mounted on a vehicle.