18results about How to "Improve handling stability" patented technology

The utility model relates to the technical field of tires, and provides a super high performance car tire, comprising: a carcass; a plurality of longitudinal main drainage grooves are arranged on the tread of the carcass; the inner side of the tread of the carcass has an inner tread pattern area, and the outer side has an outer tread pattern area; a plurality of first auxiliary drainage grooves and a plurality of second auxiliary drainage grooves are alternately arranged on the inner tread pattern area; a knife groove is also arranged between adjacent first auxiliary drainage grooves and second auxiliary drainage grooves; a plurality of third auxiliary drainage grooves and a plurality of fourth auxiliary drainage grooves are alternately arranged on the outer tread pattern area. The utility model can improve the dry and wet grip and drainage performance, reduce the risk of hydroplaning, and improve the wet driving safety and driving comfort.

The utility model relates to the field of stabilizer bar, especially transverse stabilizer bar's adjustable connecting structure of four -wheel electric vehicle. The utility model discloses stabilizer bar, axle bush and pull rod, stabilizer bar is trapezoidal, and the both ends are punched into the ear piece, axle bush is covered in the middle part of stabilizer bar, and pull rod is provided with two, and is hinged in the both ends of stabilizer bar respectively, and pull rod is installed on the frame, and axle bush is connected with hydraulic device still, and the top of hydraulic device is fixed with bolt and set up on the frame. Axle bush connects hydraulic device, and is electrically connected with automobile ECU and is equipped with electric control proportional valve, can automatically or manually adjust the lateral stabilizer bar roll stiffness according to the intention of driver or road condition. When driving fiercely or high -speed driving, ECU controls electric control proportional valve to adjust hydraulic device output pressure according to sensor group feedback, and the roll stiffness is increased, and the control stability and high -speed driving safety are enhanced.

The utility model discloses a front suspension and car, include: front subframe, including front crossbeam, rear crossbeam, left longitudinal beam and right longitudinal beam, left longitudinal beam and right longitudinal beam all include longitudinal beam upper plate and longitudinal beam lower plate, and longitudinal beam upper plate and longitudinal beam lower plate are formed the first box -like structure with the inner chamber through longitudinal beam flange welding, and the first box -like structure inside is equipped with the reinforcing support, front suspension lower swing arm is installed in the left longitudinal beam and right longitudinal beam of front subframe, and front suspension lower swing arm includes swing arm body, and swing arm body includes swing arm upper plate, intermediate reinforcing plate and swing arm lower plate, and swing arm upper plate and swing arm lower plate are formed the second box -like structure with the inner chamber through lower swing arm flange welding, and intermediate reinforcing plate sets up between swing arm upper plate and swing arm lower plate, and the edge of intermediate reinforcing plate is welded in the second box -like structure, the utility model has improved the strength, rigidity and buckling performance greatly, can guarantee the comfort simultaneously and improve the front wheel transverse positioning precision significantly, thereby improve the control stability and security of whole car.

The utility model provides a kind of electronic differential coaxial three-section electric drive axle.The electronic differential coaxial three-section electric drive axle includes electric drive axle shell and the two groups of drive components symmetrically arranged therein, the drive component includes electric drive axle shell and the two groups of drive components symmetrically arranged therein, the drive component includes sequentially connected input unit, intermediate unit and output unit, the input unit includes multiple motors, converges to the same input shaft, and connects multiple intermediate units, multiple intermediate units converge to the same output unit, the intermediate unit is equipped with gear shifting mechanism and synchronously switches.The electronic differential coaxial three-section electric drive axle provided by the utility model solves the problem that the existing electric drive axle cannot meet the specific working condition use requirements.

This application relates to a simulation method and system for spring damping characteristics. The simulation method includes: establishing a damper simulation model, the simulation model containing variable preliminary performance parameters of internal components; monitoring and accumulating aging physical quantities of the internal components of the damper during the simulation model's operation; periodically correcting the preliminary performance parameters of the corresponding internal components in the simulation model based on the aging physical quantities, and recording these as corrected performance parameters; predicting the performance of the damper at different aging stages based on the corrected performance parameters, and outputting the state information of the internal components of the damper. This application, by incorporating physical quantities from the actual aging process into the simulation loop and dynamically adjusting the model parameters, provides a more realistic prediction of damper performance, enabling accurate assessment of the damper's performance consistency throughout its entire lifespan from the initial design stage.

This application discloses a highly integrated roof assembly for rail transit vehicles, relating to the technical field of rail transit vehicle components. It includes a main roof structure composed of an upper panel, a lower panel, and a core layer. A load-bearing frame is integrated with the main roof structure to support and transfer loads to the vehicle body. Air ducts and cable trays are located inside the main roof structure for ventilation and electrical wiring harness arrangement, respectively. A mounting frame is located on top of the main roof structure, with several mounting interfaces for installing air conditioning units and power battery modules. Additionally, components such as heat dissipation plates are provided to assist in heat dissipation. This application achieves a high degree of functional integration. Through a rational structural design, it integrates multiple roof functions while ensuring good ventilation and heat dissipation performance, making the roof structure more stable and reliable.

The application discloses a cold atom gravity measurement system and method based on a planar magnetic well and a mirror surface atom chip. In view of the deficiencies of the existing reflection type atom chip in the aspects of integration, energy consumption and atom control efficiency, the application introduces a planar magnetic well and a mirror surface atom chip, effectively reduces the system manufacturing cost, improves the space utilization efficiency, optimizes the chip energy consumption structure, and significantly enhances the efficiency and purity of atom capture. The system has significant advantages in the aspects of atom control performance and integrated design, specifically, high-efficiency atom cooling and capturing capacity, low power consumption, low noise, good detection and coupling characteristics, and excellent scalability, and provides a high-precision solution with a more compact structure, more stable performance and suitability for practical application for cold atom gravity measurement.

This utility model relates to the field of suspension technology and provides a multi-link front air suspension for heavy-duty trucks. It includes an axle, a frame, two shock absorbers, a stabilizer bar, and two air springs. The stabilizer bar has a U-shaped structure, with each end of the stabilizer bar's crossbar connected to an airbag base via a bracket assembly. The airbag base has a Y-shaped structure, including a thrust rod portion and an airbag portion. The airbag portion is positioned above the stabilizer bar, and an air spring is fixed to the top of the airbag portion via an airbag disc. The thrust rod portion has a concave arc-shaped structure and is located on the side closest to the stabilizer bar's suspension rod. The thrust rod portion of each airbag base is connected to a longitudinal thrust rod front bracket via two parallel longitudinal thrust rods. The top and upper sidewall of the longitudinal thrust rod front bracket are fixed to the frame with bolts. This design enables the structural components to work synergistically, achieving coordinated transmission of multi-directional forces, dispersing the load on the suspension system, and reducing anti-roll forces.

This invention discloses a multi-hub motor Euler-Lagrange torque dynamic vector distribution system and its control method. The system treats the four hub motors of a distributed drive electric vehicle as a multi-hub motor electromechanical system. The torque distribution system of the multi-hub motor electromechanical system includes an integrated Euler-Lagrange torque controller and a driving assistance system. The method includes: pre-processing modeling of the four hub motors; pre-setting the Euler-Lagrange torque distribution control law; sampling the state variables of the multi-hub motor electromechanical system; determining the desired equilibrium point of the multi-hub motor electromechanical system; calculating the injection of dynamic interconnection coefficients and injection of friction damping coefficients; outputting the optimal given torque by the Euler-Lagrange torque distribution controller; and coordinating the modulation controller and the multi-half-bridge arm group driver to drive each hub motor. This invention can effectively adapt to various complex road conditions and improve the handling stability of distributed drive electric vehicles.

This invention discloses a low-floor all-aluminum vehicle chassis, consisting of a front axle, a central battery compartment, and a rear axle module connected sequentially. The central section is low, while the sides are higher, with a height difference of 240–250 mm. The load-bearing frame of the central battery compartment connects the crossbeams and longitudinal beams via mortise and tenon joints, forming a grid-like inner frame and three battery compartments, upon which the floor is mounted. The front and rear axle modules are connected to the frame and crossbeams via mortise and tenon joints, supplemented by mechanical reinforcement. This invention employs a three-segment all-aluminum height-difference structure, achieving lightweight, high rigidity, and high battery capacity synergistically for a 6-meter-class Class I low-floor minibus. The grid-like inner frame formed by the central grid-like mortise and tenon joints enhances rigidity and optimizes force transmission, while also forming three battery compartments, increasing battery capacity from 71 kWh to 105 kWh, significantly extending range. The all-aluminum design reduces weight by over 1 / 3, lowering energy consumption. The modular design improves assembly precision and efficiency, overcoming the technical bottleneck of adapting all-aluminum structures to Class I low-floor designs, providing an accessible, low-carbon, and highly reliable microbus chassis solution.

The application discloses a 4WIS mode controller based on a road adhesion coefficient and speed, and the method is based on a road adhesion coefficient and a longitudinal vehicle speed in the aspect of trajectory tracking control of a four-wheel independent steering vehicle, three self-adaptive steering modes of high adhesion low speed, high adhesion high speed and low adhesion steady running are designed, and the optimization matching of steering characteristics under different working conditions is realized.

The utility model provides a caterpillar conveyor safety valve's footrest control mechanism and caterpillar conveyor, the footrest control mechanism includes: safety valve, is used for setting in the main frame of caterpillar conveyor, safety valve transition pull rod is used for setting between safety valve and standing frame, the top end of safety valve transition pull rod is used for with safety valve valve rod end articulates and connects, the middle part of safety valve transition pull rod is used for with the main frame of caterpillar conveyor articulates and connects, the bottom end of safety valve transition pull rod is suspended and located one side of standing frame, footrest, sets up in the standing frame of caterpillar conveyor, footrest with standing frame articulates and connects, push -and -pull drive mechanism sets up between footrest and the bottom end of safety valve transition pull rod, push -and -pull drive mechanism under the rotation of footrest pushes the bottom end of safety valve transition pull rod and swings. The application has improved the working stability and control stability of caterpillar conveyor safety valve.

This invention discloses a distributed data processing method, device, and medium based on local storage, relating to the field of data storage technology. The method includes: acquiring real-time data streams to be processed; performing preprocessing and segmentation on the real-time data streams to generate a set of data blocks to be written to disk; acquiring the network topology and real-time load status of cluster nodes; constructing a two-layer weighted dependency graph by combining historical processing association information; calculating cross-domain transmission cost scores between data blocks based on the two-layer weighted dependency graph; and performing topology-aware co-location writing processing on the set of data blocks to be written to disk based on the cross-domain transmission cost scores to generate distributed processing location information. This invention achieves ordered management and traceable reuse for subsequent precise processing, thus improving the overall processing accuracy and practicality.

This application provides a torque control method, system, vehicle terminal, and vehicle, relating to the field of vehicle technology. The method includes: acquiring vehicle state signals, which at least include vibration signals reflecting vehicle body vibration and load distribution signals reflecting vehicle load distribution; inputting the vehicle state signals into a pre-trained torque prediction neural network for prediction processing to obtain the vehicle's global torque compensation coefficient and front-to-rear axle torque distribution weights; calculating the actual output torque of the front and rear axles based on the driver's requested torque, the global torque compensation coefficient, and the front-to-rear axle torque distribution weights; and controlling the vehicle's torque output based on the actual output torque of the front and rear axles. The aim is to improve the vehicle's handling stability and ride comfort.

This utility model discloses a device and vehicle for controlling the height and posture of a vehicle cab, comprising a height valve assembly and an adjusting linkage assembly. The height valve assembly includes a swing arm, a connecting shaft assembly, a rotor valve plate, a valve core assembly, an upper valve cover, and a lower valve body; the lower valve body has an air inlet, an air outlet, and an exhaust port with a muffler; the rotor valve plate and the valve core assembly cooperate to form a metal shear seal, switching the air path according to the swing arm position, and has a dead zone. The adjusting linkage assembly includes upper and lower connecting rods that can slide relative to each other and are locked by fastening sleeves, with connecting ball heads at both ends. This utility model has the advantages of large displacement, high inflation and deflation efficiency, fast response, good anti-fouling properties, low noise, and convenient adjustment, and is especially suitable for new energy vehicles, effectively improving the smoothness and reliability of the entire vehicle.

This utility model discloses a constant temperature and humidity storage box for aging mead, relating to the field of mead brewing technology. It includes a box body with a lid at the top. The box body has a first inner cavity, and the lid has a second inner cavity. A slot is located on one side of the upper middle portion of the box body, and a bottom hole is located at the lower end of the box body. The second slot is located on one side of the lower middle portion of the lid. This utility model, through the arrangement of the first inner cavity, a fan, and the second inner cavity, creates a closed space between the box body and the lid. The fan causes airflow circulation inside, drawing air in through the bottom hole, increasing the airflow range and making the airflow more uniform and convenient to use. This ensures relatively uniform temperature and humidity inside, with low differences in temperature and humidity throughout, facilitating the aging and storage of mead. Combined with a heating wire and water supply, the temperature and humidity are controlled in real time to achieve a constant temperature and humidity effect.

The application provides a wheel shaft type continuously variable transmission and relates to the technical field of automobile manufacturing.The wheel shaft type continuously variable transmission comprises a driving disc and a driven disc arranged in front and back, the outer side end face center of the driving disc is connected with a driving shaft, the outer side end face center of the driven disc is connected with a driven shaft, a cross-shaped first total support is arranged between the driving disc and the driven disc close to the driving disc side, a cross-shaped second total support is arranged between the driving disc and the driven disc close to the driven disc side, a driving gear is arranged between the first total support and the second total support, the driving gear is connected with a driving motor, one first friction wheel assembly is arranged on each of the four supporting rods of the first total support, one second friction wheel assembly is arranged on each of the four supporting rods of the second total support, a gear ring is arranged on the outer side of the first friction wheel assembly and the second friction wheel assembly on the same side, and the inner side of the gear ring is engaged with the outer side of the first friction wheel assembly and the second friction wheel assembly.

This invention discloses a combined treatment tank and process for fluoride-containing wastewater, belonging to the field of fluoride-containing wastewater treatment technology. The invention includes a homogenization tank, a high-efficiency inclined plate sedimentation unit, a sludge conditioning tank, and an online influent monitoring chamber. The high-efficiency inclined plate sedimentation unit includes a distribution tank, a mixing tank, a flocculation tank, a sedimentation zone, a sludge zone, a clear water zone, and an effluent channel. This invention uses a combined treatment tank integrating the homogenization tank, the online influent monitoring chamber, the high-efficiency inclined plate sedimentation unit, and the sludge conditioning tank to treat fluoride-containing wastewater. This allows for the combination of various irregular processes into a more regular-looking tank shape, shortening the construction length of sewage pipe networks, improving treatment efficiency, reducing land occupation, and reducing construction and transportation costs. The distribution tank helps balance the influent volume of the treatment system, homogenizes the water quality of the fluoride-containing wastewater, makes the water distribution more uniform, and enables subsequent treatment units to operate stably, improving treatment stability and defluorination efficiency.