68results about How to "Comfortable driving experience" patented technology

The invention discloses an SBW (steer-by-wire) device with a redundancy function and a control method. The SBW device with the redundancy function comprises a road feel simulation actuator, a steeringactuator and an SBW control module, wherein the steering actuator comprises a first gear-rack mechanism, a first rack travel sensor, a first steering motor controller, a first steering motor, a firststeering motor rotor position sensor, a second gear-rack mechanism, a second rack travel sensor, a second steering motor controller, a second steering motor, a second steering motor rotor position sensor and a steering engine. By means of the redundant first steering motor and first steering motor controller as well as the redundant second steering motor and second steering motor controller, theSBW system can still steer normally once a fault occurs, and safety of passengers in a vehicle is guaranteed.

The invention relates to the technical field of tires and in particular to run-flat tire side support rubber, a preparation method and a tire structure thereof. Neodymium series butadiene rubber usedby a sizing material is polybutadiene with high cis-form-1,4-structure content obtained by using a neodymium compound as a main catalyst, so the support rubber has higher tensile property and resilience property, good carbon black dispersing performance, and more excellent aging-resistant performance. White carbon black adopts a 1115MP type with high dispersion and a low superficial area. The high-dispersion-type low-superficial-area white carbon black is capable of effectively improving tear resistance and thermal aging resistance of a support rubber part, and effectively reducing 15% of thermogenesis performance. Through a formula of the relayed sizing material, the prepared support rubber has stronger physical characteristics of tear resistance, high stretching, high strength, high temperature resistance and the like. Through a special design and a matching ratio in structure and formula aspects, the tires can be guaranteed to be continuously driven still in a speed of 80 km/h in azero air pressure state, and a steering wheel cannot be easily deviated from a driving direction in a driving process, until a next maintenance point is found out.

The invention discloses an automobile damper which comprises a fixator, a damping piston and a base that are connected from the top down in sequence, wherein a sound-proof cover mechanism is arranged on the upper surface of the fixator, and comprises a sound-proof cover and a sound-proof cover fixed platform; the sound-proof cover fixed platform is arranged on the upper surface of the fixator; and the sound-proof cover is connected with the upper surface of the sound-proof cover fixed platform. The automobile damper further comprises a sound-proof sleeve, wherein the sound-proof sleeve is connected with the damping piston in a sleeving manner, is fixedly arranged on the upper surface of the base, is arranged below the lower surface of the fixator, and is an annular sealed body. The automobile damper solves the problems in the prior art that the conventional automobile damper lacks corresponding soundproof measures, when the conventional automobile damper works with high strength, certain noise can be produced, and the driving comfort is affected. During use, the automobile damper can effectively block out or reduce the noise produced by the automobile damper working with high strength, so that a driver can have more comfortable driving experience.

The invention provides an anti-inclination device for a vehicle. The device is provided with parallelogram structures (20, 21, 22 and 23) of articulated parts. The parallelogram structures (22 and 23) are double-column independently-suspended shock absorbers, and the patent technology is shown in the patent application of the inventor. The device also comprises a traversing mechanism (11), side inclination dampers (18 and 19) and a vehicle body bearing block (1). According to the device, a vehicle body can be smoothed and the side inclination can be prevented by the force of the center of gravity generated by gravity division of parallelogram points (2 and 3), a vehicle body chassis and a vehicle top during standing and moving.

The invention discloses a vehicle multimedia system and vehicle with the same. The vehicle multimedia system includes a touch screen used for receiving user's touch instructions, wherein touch instructions include power on instructions and sliding instructions, a vehicle display device, a lifting device, wherein the lifting device is connected with the vehicle display device to drive the vehicle display device to move between a first position and a second position, a control device, wherein the control device is connected with the touch screen and the lifting device respectively, and is used for working on the power supply in the car according to the power on instruction and controlling the lifting device to drive the vehicle display device up and down according to the sliding instruction. The vehicle multimedia system can control the lifting device by the touch screen to drive the vehicle display device up and down according to user's needs, thereby adjusting the height of the vehicle display device, satisfying the driving habits of different users, and providing the users with more convenient and simpler operation ways and more comfortable and newer driving experiences.

The invention discloses an electric power steering control strategy, which is based on a manual steering control strategy, an intelligent auxiliary steering control strategy and an intelligent drivingsteering control strategy. The electric power steering control strategy comprises that: if intelligent auxiliary steering is enabled and manual steering assistance does not contradict an automobile network control instruction, intelligent auxiliary steering assistance and manual steering assistance are adopted for calculation according to a preset distribution rule to obtain hybrid assistance; ifintelligent driving steering is enabled, the hybrid assistance is ignored; and if the physical quantity expected by the intelligent auxiliary steering and the physical quantity of the intelligent driving steering are kept consistent, the intelligent auxiliary steering and the intelligent driving steering execute calculation based on the same algorithm structure and parameters to obtain an outputtorque, and the expectation of the intelligent auxiliary steering or the expectation of the intelligent driving steering is selected based on the hand power demand. The invention further discloses anelectric power steering control unit. The electric power steering control method is completely different from an existing electric power steering control strategy, the algorithm complexity can be reduced, corner control or torque control based on the same algorithm architecture is achieved, and switching between an intelligent auxiliary steering mode and an intelligent driving steering mode can beachieved at any time.

The invention relates to an automobile seat posture intelligent control method based on binocular vision. The method comprises the following steps: S1 installing an automobile binocular camera at a proper position of an automobile roof along the side direction of an automobile, carrying out the parameter calibration of the binocular camera, obtaining the baseline distance B of the binocular camera, and measuring the vertical height Hc from the optical center of the binocular camera to the ground; S2 after a person enters a proper distance range, collecting a video signal that the person moves towards the automobile through the binocular camera; S3 calculating the height Hhuman of the human body through a binocular vision imaging principle; S4 estimating main static human body size parameters of other parts of the human body through the height; S5 determining an optimal seat comfort position corresponding to the human body size data according to an ergonomics principle, and obtaining the horizontal position, height and backrest inclination angle information of the seat; and S6 inputting the seat parameters into an automatic regulation and control system, enabling a motor device to drive the seat to adjust the position, and achieving automatic adjustment of the horizontal position, the height and the backrest inclination angle of the seat.

The invention relates to a special-shaped outline structure of a TBR (all-steel radial truck) tire and a tire with the outline. The special-shaped outline structure comprises a tire shoulder section, an upper tire side arc, and a lower tire side arc, wherein the tire shoulder section and the upper tire side arc are located at the upper part of a horizontal shaft of the tire; the lower tire side arc is located under the tire horizontal shaft; the tire shoulder section is located at the lower part of a tire crown part, and is in tangent with the upper tire side arc; the upper tire side arc comprises an upper arc and an upper inner arc, wherein the circle center of the upper arc and the upper inner arc is located on the tire horizontal shaft; the lower tire side arc comprises a first lower arc and an ogee section, wherein the ogee section is connected with the first lower arc; the circle center of the first lower arc is located on the tire horizontal shaft; in addition, in order to guarantee the supporting performance of the special-shaped outline tire to a bead part, the thickness of a tire bead location is increased, so that the supporting effect of the special-shaped outline tire is improved; a connecting arc for connecting the ogee section and a tire heel part is arranged under the ogee section; and the radius R<connection> of the connecting arc is 200-240mm. The tire disclosed by the invention has the advantages of being light in weight, low in rolling resistance, convenient to assemble and disassemble, convenient to carry and the like; and the outline of the tire side location is changed, so that in the running process of a vehicle, absorption of impacts from a road surface is facilitated, and the driving comfortableness is effectively improved.

The invention discloses a road condition recognition-based auxiliary vehicle driving method. The method comprises a two-axis turntable structure, a laser sensor module, an MCU control module and a point cloud data processor, wherein the laser sensor module is arranged at the upper part of the two-axis turntable structure; the laser sensor module and the road ground obtain a three-dimensional pointcloud image; an image sensor module is arranged in the laser sensor module; the three-dimensional point cloud image is connected with a three-dimensional surveying and mapping module; the three-dimensional surveying and mapping module is connected with a processor module through a route control module; the processor module is connected with a wireless communication module through the point clouddata processor; and the wireless communication module is connected with a road condition information summarization module. According to the method, a road three-dimensional system of the whole route is formed through changing the mounting positions of the sensors and concentrating and summarizing the obtained pavement information, and the vehicles can obtain the road condition information of the road before arriving at the road, so that route adjustment and reasonable speed planning can be carried out in advance.

The invention discloses a high-thrust rim propeller. The high-thrust rim propeller comprises a rotating shaft, a shell, a motor stator and a motor rotor, the rotating shaft is of a hollow and trumpet-shaped structure and is movably mounted in the end covers on the two sides of the shell through bearings; a sealing assembly is arranged outside the bearing; a propeller is fixedly mounted on a large-end inner ring of the rotating shaft, and a motor rotor is fixedly mounted on a small-end outer ring of the rotating shaft; the motor stator is fixedly mounted on the shell and corresponds to the rotor; a rectifying piece is arranged at the rear end of the propeller and is fixed on the flow guide cover through a connecting rod penetrating through a central channel of the propeller; and the flow guide cover is fixedly arranged on the shell. According to the high-thrust rim propeller, the sealing performance is good, the structural characteristics of the pipeline and the propeller are combined, and the Venturi effect is utilized, so that the contradiction between a high-power driving device and a limited mounting space in the rim propeller and the utilization problem of vortex energy in the pipeline are well solved, the small size of the rim propeller is ensured, and the thrust and the propulsive efficiency are greatly improved.

A drive control system is provided, which is mounted on a vehicle configured to travel by operation of a driver. The drive control system includes an actuator configured to output a driving force for the vehicle to travel, an output sensor configured to detect a driving force requested by the operation of the driver, and a control device configured to control operation of the actuator based on the requested driving force detected by the output sensor. The control device sets a target output value by adding a given delay time to a requested output value set corresponding to the requested driving force, and controls the actuator so as to output the target output value based on a response characteristic of the actuator.

The invention discloses a lightweight rear suspension structure applied to electric automobiles. The lightweight rear suspension structure comprises a monolithic-leaf plate spring made of a compositematerial, wherein the front end of the monolithic-leaf plate spring is connected with a front spring eye; the rear end of the monolithic-leaf plate spring is connected with a rear spring eye; the middle part of the monolithic-leaf plate spring is located in a rear axle plate spring seat; the middle part of the monolithic-leaf plate spring is equipped with a backing plate frame and two U-shaped bolts; the two U-shaped bolts are connected to the backing plate frame through nuts; the backing plate frame is clung to the bottom of the rear axle plate spring seat; the backing plate frame, the monolithic-leaf plate spring and the rear axle plate spring seat are fixedly connected with each other through rivet heads; the backing plate frame is articulated with a damper; the upper end of the damperis connected to an automobile body longitudinal beam. Compared with the existing rear suspension, which adopts (3 plus 2)-leaf two-stage stiffness springs, the lightweight rear suspension structure only adopts one monolithic-leaf plate spring made of the composite material, so that the mounting requirement is simplified; the weight of the monolithic-leaf plate spring is only 1/3 of the weight of the original steel plate spring; the inner damping resistance among leaves does not exist in the monolithic-leaf plate spring; the stiffness change is more linear; and the driver and the passengers feel more comfortable.

A recreational vehicle comprising a body, a steering mechanism, a straddle seat, first and second track assemblies located in respective sides of the straddle seat, at least one motor for driving the track assemblies, and a platform for receiving the feed of a driver, the platform being located intermediate the tracks and the seat, the platform being located at a height of between 10% and 90% of the height of the tracks.

The invention discloses a control method suitable for switching driving modes of a new energy commercial vehicle, relates to the technical field of new energy commercial vehicles, and solves the problems that fluctuation exists in the existing driving mode switching process, switching of the driving modes cannot be adaptively adjusted according to the condition that the current electric quantity of a power battery is insufficient, and energy saving and environment protection cannot be optimized. According to the method, an ECO mode, an NORMAL mode and an SPORT mode are defined; an SCU outputs a driving torque coefficient of a corresponding mode to a torque module; the torque module outputs a torque request signal to an IC, a VCU collects a KEY signal to recognize the current ignition state of a vehicle, the SCU sends driving mode request information to the torque module in the VCU through the CAN bus, and the VCU finally determines the current driving mode according to the current power battery SOC value sent by the BMS and outputs the current driving mode to the IC to be displayed. According to the control method, the corresponding driving modes are reasonably selected according to different driving road conditions, and the comfortable driving feeling is improved.

The invention discloses a production and preparation system of a composite automobile plate spring. The production and preparation system of the composite automobile plate spring comprises a glass fiber winding mechanism, a resin pre-impregnating mechanism, a material cropping mechanism, a pressing mechanism, a cutting mechanism and detecting equipment. The glass fiber winding mechanism is composed of a winding machine, a yarn guide, a yarn frame and a winding die. The yarn frame is used for storing glass fiber, the resin pre-impregnating mechanism is composed of a pre-impregnating groove anda drying tank, and the pre-impregnating groove is used for enabling the outer surface of the glass fiber to be uniformly impregnated with a resin base material. According to the production and preparation system of the composite automobile plate spring, the production efficiency of the composite automobile plate spring can be improved, and the production cost is reduced; and the composite plate spring produced through the system can provide relatively comfortable driving experience, is durable in use and can have the characteristic of being lighter, the service life of the composite plate spring can be the same as that of a whole vehicle, the dead load of the vehicle can be reduced, the energy consumption of the vehicle in driving can be effectively reduced, and the driving process of thevehicle can be safer.

The invention discloses a double-rotor pump-jet propeller. The pump-jet propeller comprises a rotating shaft, end covers and a shell. The pump-jet propeller is characterized in that: the rotating shaft is of a hollow and trumpet-shaped structure, is movably fixed in the end covers on the two sides of the shell through a bearing, and comprises a large end part, a small end part and a gradual change part connecting the large end part and the small end part; a first propeller is fixedly mounted at the large end part or the gradual change part; a first power driving device used for driving the rotating shaft to rotate is fixedly installed in the space between the rotating shaft and the shell; a second propeller is contained in the rotating shaft and located at the front end or the rear end of the first propeller; the second propeller is movably connected into a supporting seat on a flow guide cover through a connecting rod, and the flow guide cover is fixedly installed on the shell; and the connecting rod is driven by a second power driving device to rotate. The invention provides the high-power, high-efficiency and low-noise double-rotor pump-jet propeller which is designed by fully utilizing the Venturi effect and the structural characteristics of a pipeline.

The invention provides an adjustable seat of an electric vehicle. The adjustable seat of the electric vehicle is characterized by comprising a vertical pipe, a back cushion, a first regulating pin, a first sleeve, a cushion, a second regulating rod, a second sleeve, a second regulating pin and a first regulating rod, wherein the back cushion is connected to the tail end of the first regulating rod, the first regulating rod is inserted into the first sleeve, and the first regulating pin is inserted into first circular holes to penetrate through the first regulating rod; the vertical pipe is inserted into a vehicle frame; the cushion is connected to the second regulating pipe, the second regulating rod is inserted into the second sleeve, and the second regulating pin is inserted into second circular holes to penetrate through the second regulating rod. According to the adjustable seat of the electric vehicle, disclosed by the invention, the height and the angle of the seat of the electric vehicle can be regulated according to different shapes of riders, so that a great deal of inconvenience caused by riding of the original seat in a mixed mode can be greatly alleviated, and more comfortable travelling experience and safer travelling sitting posture are provided for consumers.