59results about How to "Improve driving experience" patented technology

This invention discloses an electromechanical braking system and its control method based on heterogeneous motor redundancy, relating to the field of brake-by-wire technology for new energy vehicles. The system includes the following steps: During vehicle braking, a permanent magnet synchronous motor (PMSM) acts as the main drive source, outputting braking torque, while a switched reluctance motor (SRM) operates in standby or low-power auxiliary mode, forming a heterogeneous motor redundant drive structure. This invention achieves complementary failure modes and reduces the risk of common-mode failures by employing a heterogeneous redundancy structure of a PMSM and a SRM; simultaneously, it optimizes system economy by utilizing the low cost and low standby energy consumption characteristics of the SRM. A deep learning health prediction model is introduced to achieve early fault prediction and proactive switching, and a rapid, seamless switching mechanism within 20ms ensures braking continuity and system safety.

This invention relates to the field of autonomous driving technology, specifically providing a vehicle queuing control method, computer equipment, storage medium, and vehicle, aiming to solve the problem of intelligent vehicle queuing control. To this end, the method provided by this invention includes determining a virtual queuing area located on the road where the queuing destination is located, controlling the vehicle to drive towards the virtual queuing area to wait in the queue, and dynamically controlling the vehicle to follow and / or detour around the vehicle in front based on the vehicle's real-time queuing position and the stopping direction corresponding to the virtual queuing area, until reaching the queuing destination. Through the above method, autonomous driving is achieved throughout the entire gradual approach to the queuing destination process, from determining the queuing area to following and / or detouring around the vehicle in front, until reaching the queuing destination, without requiring driver intervention, significantly improving the intelligence of vehicle queuing control.

Embodiments of the present application provide a seat ventilation method and device, electronic equipment, storage medium and vehicle. The method comprises: acquiring a seat temperature, and controlling a ventilation mode of the seat according to the seat temperature; wherein the ventilation mode comprises a blowing mode and a suction mode, so that the ventilation mode of the seat is properly selected, and the advantages of the blowing mode and the suction mode are combined, thereby avoiding blowing hot air to a passenger by the seat, switching to the blowing mode in time when cool air can be blown, reducing fan noise, and improving the comfort and driving experience of the seat.

This application provides a path planning method, apparatus, device, storage medium, and vehicle, relating to the field of autonomous driving technology. The method includes: acquiring road information of a target road where the vehicle is located and first driving information of the vehicle; wherein the first driving information indicates the current driving state of the vehicle; discretizing the target road based on the road information to obtain a discrete target road; wherein the discrete target road includes multiple drivable segments, and each drivable segment includes multiple drivable positions; determining second driving information of the vehicle at each of the drivable positions based on the first driving information and / or the road information; the second driving information indicates the driving state of the vehicle in a preset dimension; and determining the optimal driving path of the vehicle based on the second driving information. The method of this application can improve the accuracy and applicability of path planning.

The invention discloses an idling start-stop control method based on navigation traffic information, which comprises the following steps: when a vehicle is in a navigation state, a start-stop forbidding judgment module acquires traffic information of an intersection in front of a planned driving path in real time, including a signal lamp state, lamp changing remaining time and a distance to a stop line; when the vehicle approaches the target intersection, combining the vehicle state and the traffic information, and generating a forbidding request signal of the idle start-stop system through judgment logic; the power control execution module executes a final control action for forbidding automatic flameout of the engine based on the forbidding request signal. According to the invention, the problems of unnecessary start and stop and influence on driving smoothness and energy consumption caused by incapability of accurately associating path-related signal lamps and passing scenes in the prior art are solved, intelligent cooperative control of the idle speed start and stop system based on navigation information is realized, and vehicle energy consumption is optimized while driving experience is improved.

The application discloses a method and system for generating U-turn line control points, a method for generating U-turn lines and a medium, and belongs to the technical field of automatic driving. The method comprises the following steps: determining a first center point and a first preset range with the first center point as the center; determining a second center point and a second preset range with the second center point as the center; determining a third center point and a third preset range with the third center point as the center; determining a fourth center point and a fourth preset range with the fourth center point as the center; and selecting one or more points in the first preset range, the second preset range, the third preset range and the fourth preset range respectively multiple times to obtain multiple groups of U-turn line control points. According to the application, the subsequent center points and ranges are determined according to the previously determined center points and ranges, the connection between the U-turn line control points is enhanced during the selection of the U-turn line control points, the usability of the U-turn line control points is improved, the generated U-turn line conforms to the driving habits of drivers, and the driving experience is improved.

This application discloses an exhaust assembly and a vehicle for a fuel cell vehicle. The exhaust assembly includes an exhaust pipe, a muffler, and a damping pipe. The exhaust pipe is adapted to be installed on the vehicle body. One end of the exhaust pipe has an outlet end, and the other end has an inlet end. A muffler section is formed in the exhaust pipe. The muffler is disposed on the exhaust pipe and on the outer periphery of the muffler section, communicating with the internal cavity of the muffler section. The damping pipe is connected to the exhaust pipe and is disposed near the inlet end of the exhaust pipe, and / or at the junction of the exhaust pipe and the muffler section. At least a portion of the damping pipe is constructed as a flexible element or a flexible unit covering the exhaust pipe is disposed inside the damping pipe, which can improve the muffler and vibration reduction capabilities and reduce vehicle noise.

This invention discloses a hybrid vehicle mode switching control method, apparatus, device, and medium. The method includes: acquiring driving condition parameters of the hybrid vehicle; determining the power split state parameters of the sun gear based on the driving condition parameters; determining whether preset mode switching conditions are met based on the driving condition parameters and the power split state parameters; and if the preset mode switching conditions are met, executing the corresponding mode switching operation. This technical solution, by comprehensively determining the mode switching conditions using both driving condition parameters and the power split state parameters of the sun gear, accurately determines the timing of mode switching, achieving flexible switching of the hybrid vehicle's driving mode and improving the user's driving experience.

The application discloses a caterpillar self-propelled rotary cultivator, which comprises a chassis system, a power system, a transmission system and a rotary cultivator device. The chassis system comprises a frame assembly, a walking driving mechanism and a walking caterpillar assembly. The walking driving mechanism comprises a gearbox arranged at the front end of the frame assembly. The walking caterpillar assembly comprises caterpillars arranged at the left and right sides of the frame assembly, a driving wheel drivingly connected with the output end of the gearbox, rear wheels supporting the caterpillars and a plurality of supporting wheels. The power system comprises an engine and a fuel tank. The engine is arranged on the frame assembly and drivingly connected with the output end of the gearbox. The fuel tank is arranged on the frame assembly. The transmission system comprises a PTO transmission box and a rear output transmission shaft. The input end of the PTO transmission box is drivingly connected with the output end of the engine, and the rear output end of the PTO transmission box is connected with the rear output transmission shaft. The rotary cultivator device is arranged at the tail of the chassis system. Compared with the prior art, the application realizes comprehensive improvement in power transmission, structural layout, driving experience and operation adaptability.

The utility model discloses an automobile air conditioner air outlet structure relates to the technical field of automobile parts, including the air pipe, and the air outlet grid of air pipe air outlet end installation, air pipe air outlet end is equipped with the magnetic attraction connecting piece for the detachable air outlet grid, the support is installed in the air pipe, the support inner plug has the activated carbon honeycomb board for adsorbing air peculiar smell and the non -woven filter board for filtering air, and the non -woven filter board sets up in activated carbon honeycomb board's air outlet end, the groove on activated carbon honeycomb board installs the liquid storage bottle for storing air air fragrance liquid, the air duct adjusting part of rotatable is arranged in the air pipe, the air outlet grid is connected with the air pipe air outlet end through the magnetic attraction connecting piece, realizes quick dismounting with the magnetic attraction principle, compared with traditional buckle or screw fixed mode, it is more simple and convenient to operate, and the cleaning and maintenance efficiency of air outlet grid has been improved greatly, and the use cost of user has been reduced.

This invention provides a vehicle field of view expansion display method, device, vehicle, and storage medium. The method is applicable to the vehicle control center in a vehicle vision assistance system. The vehicle vision assistance system also includes a field of view acquisition device and a field of view display device connected to the vehicle control center. The field of view acquisition device is installed on the vehicle and located in the vehicle's blind spot. The method includes: real-time acquisition of the vehicle's speed, system resource information, the field of view display resolution of the field of view display device, and the field of view image sent by the field of view acquisition device; determining the display frame rate of the field of view image based on the vehicle speed, system resource information, and field of view display resolution; and sending the field of view image to the field of view display device for display at the specified frame rate. This method of expanding the driver's field of view by installing a field of view acquisition device in the vehicle effectively eliminates the driver's blind spot, thereby ensuring safe driving.

This utility model discloses a vehicle anti-roll mechanism, relating to the field of vehicle technology, comprising: a carrier, on which a first rotating shaft, a first bevel gear, two second rotating shafts, two second bevel gears, a rear axle, and a braking mechanism are mounted; because the rear axle is rotatably connected to the carrier, when the vehicle turns, the vehicle body tilts towards the inside of the curve, and the vehicle body and rear axle rotate relative to each other, ensuring that the inner and outer wheels always remain in contact with the road surface, thereby maintaining the stability of the vehicle; the braking mechanism can brake the first rotating shaft to prevent the rear axle from rotating relative to the carrier, ensuring stability when driving on straight roads, small curves, or at low speeds; this application allows for mode selection through the braking mechanism according to actual road conditions, further improving the driving experience and enjoyment, and ensuring the safety of passengers when cornering at high speeds.

This invention proposes a method and system for avoiding frequent regeneration of particulate matter filters (DPFs), relating to the field of emission control technology. The method includes: Step 1: Obtaining the steady-state differential pressure value after engine regeneration, along with the baseline differential pressure and the standard differential pressure value under the current carbon load; Step 2: Calculating the deviation of the steady-state differential pressure value from the standard differential pressure value and the percentage deviation from the baseline differential pressure; Step 3: Based on the percentage deviation and air velocity, consulting the ash correction map to obtain the current correction coefficient; Step 4: Determining whether the current correction coefficient is less than a preset value. If so, the product of the current correction coefficient and the current carbon load trigger limit is used as the carbon load trigger limit for the next regeneration; otherwise, service regeneration is performed, and the carbon load trigger limit is reset to its initial value after service regeneration. This invention utilizes the deviation between the no-load DPF differential pressure and the differential pressure after regeneration to correct the regeneration limit, ensuring that regeneration only occurs when carbon deposits reach a certain level, avoiding shortened regeneration time or even frequent regeneration due to ash content, thus reducing fuel consumption.

The application discloses a power battery monomer abnormality early warning method and device, electronic equipment and storage medium. Including: acquiring full working condition state parameters of a power battery pack; respectively storing and accumulating voltage state data of monomer batteries in the power battery pack during charging and discharging; establishing a monomer battery abnormality detection model; inputting the voltage state data into the monomer battery abnormality detection model, combining the full working condition state parameters of the power battery pack, and determining monomer batteries in an abnormal state. The early warning information can be sent before the power battery cannot be repaired, the efficiency of inspection and repair is improved, the monomer battery abnormality alarm lag is avoided, and the advance and accuracy of the new energy automobile power battery safety early warning are improved.

The application belongs to the technical field of automatic driving, and discloses an EPS control method, device, equipment and storage medium for automatic driving. When a vehicle is in an automatic driving mode, whether a driver's steering intervention exists in a steering wheel of the vehicle is detected. If the driver's steering intervention exists in the steering wheel of the vehicle, operation information of the driver on the steering wheel is acquired. Control coefficients of an angle control module and a control coefficient of a power assistance control module are adjusted according to the operation information. In this way, the EPS angle control is more accurate, the angle is not over-adjusted, and in the automatic driving mode, the driver is allowed to adjust the steering wheel, a good operation feeling is achieved, and the driving experience and safety of the driver are improved.

The utility model belongs to the field of motorcycle engine control, specifically is a kind of motorcycle engine oil temperature cooling control system, including engine body, magneto, speed control module, negative terminal and battery, engine body bottom end is equipped with oil sump, first connecting oil pipe is connected on oil sump, one end of first connecting oil pipe is equipped with oil filter, one end of oil filter is equipped with second connecting oil pipe, one end of second connecting oil pipe is equipped with oil pump, the other end of oil pump is equipped with third connecting oil pipe, one end of third connecting oil pipe is equipped with oil cooler. The utility model through the cooling fan and oil pump keep the cooling and lubrication of system simultaneously, compared with traditional oil cooling, reduce use cost and increase use range, can reduce vehicle weight simultaneously, improve driving experience and comfort, enhance driving operability and prolong the service life of engine, the control system is not easy to damage, long service life, good use effect, it is beneficial to popularization.

This disclosure presents a route planning method and apparatus. A specific implementation of the method includes: sending a navigation request including a start point and an end point to a server; receiving at least one candidate route information sent by the server, wherein the candidate route information includes information on a start point, an end point, and special road sections, wherein the special road sections include slopes and / or curves; calculating the proportion of special road sections in each candidate route based on the information on the special road sections of each candidate route; and determining a target route based on the proportion of special road sections. This implementation acquires real-time traffic data through vehicle sensors and combines it with a navigation system for intelligent route planning, which can effectively improve the driving experience, provide users with more intuitive slope and curve information references, and provide a method for automatically switching driving modes.

This application discloses an in-vehicle human-machine interaction method, device, equipment, and storage medium, belonging to the field of intelligent vehicle technology. An in-vehicle human-machine interaction method includes: acquiring a target image; inputting the target image into an artificial intelligence (AI) model to generate a 3D model of the target element; and rendering the 3D model of the target element using a rendering engine based on the environmental information of the target vehicle's human-machine interface, so as to display the 3D visual image of the target element within a preset area of ​​the human-machine interface. The in-vehicle human-machine interaction solution provided by this application can generate a 3D model of the target element based on an AI model and display it on the human-machine interface, thereby improving the driving experience.

The application provides a vehicle braking method, device and equipment, the method comprising: for each time, obtaining the first physical coordinates of the moving object at the time, and obtaining the second physical coordinates of the target vehicle at the time; determining the first inflation area of the moving object based on the first physical coordinates, and determining the second inflation area of the target vehicle based on the second physical coordinates; if it is determined that the target vehicle and the moving object have a collision risk based on the first inflation area at the first time and the second inflation area at the first time, pre-braking the target vehicle in a pre-braking time interval, the pre-braking comprising braking pre-filling and / or speed reduction; if it is determined that the moving object is an obstacle of the target vehicle based on the first inflation area at the second time and the second inflation area at the second time, comfort braking the target vehicle. Through the technical scheme of the application, better driving experience is brought to the driver.

The utility model relates to a kind of automobile front windshield.It involves new energy automobile technical field.The application specifically includes the outer glass plate and inner glass plate of parallel interval arrangement, and the interlayer cavity formed between outer glass plate and inner glass plate;It also includes light-absorbing structure arranged in interlayer cavity, and photosensitive structure arranged in interlayer cavity, and light-absorbing structure is used to adhere outer glass plate with the inner glass plate, and the strong light of outside shooting is absorbed, and photosensitive structure is used to detect the light intensity of outside shooting.The interlayer cavity formed between outer glass plate and inner glass plate of the utility model is equipped with light-absorbing structure and photosensitive structure, the strong light of outside shooting is absorbed by light-absorbing structure, and the light intensity of outside shooting is detected by photosensitive structure, the blocking effect of the automobile front windshield to strong light is improved, the interference of strong light to driver is reduced, and the law enforcement of road safety supervision department is assisted, so as to ensure driving safety.

The present application relates to a kind of man-machine collaborative motion control methods for distributed drive and rear wheel steering electric vehicle, comprising the following steps: the input steering information of driver is identified as steering intent result;Vehicle reference model is designed, and expected reference state is designed;Driving-steering collaborative controller for distributed drive and rear wheel steering electric vehicle is designed, including upper controller and lower controller;By solving upper controller, the optimal additional rear wheel angle and additional yaw moment are obtained;The optimal additional yaw moment is distributed by the lower controller, and four-wheel additional torque is obtained;The four-wheel additional torque is sent to electric vehicle four-wheel hub motor as control command, and the collaborative control to vehicle is realized.Compared with prior art, the present application has the advantages of matching vehicle control target with driver operation, improving man-machine collaborative motion control performance for driver-vehicle closed loop, etc.

This application discloses an electromechanical wet clutch, relating to the field of automotive transmission technology, including a clutch body, an actuator assembly, and an electronic control unit assembly. The clutch body includes an input shaft, an inner clutch hub, an outer clutch hub, and a friction assembly. The inner clutch hub is fixedly mounted on the input shaft. The outer clutch hub is mounted on the inner clutch hub and is rotatable around the input shaft. The friction assembly is installed between the inner and outer clutch hubs. The electronic control unit assembly provides the output torque required to press against the friction assembly. The actuator assembly is mounted on the input shaft and located on the side of the inner clutch hub opposite to the outer clutch hub. The actuator assembly is connected to the electronic control unit assembly and is used to convert the torque into an axial torque applied to the friction assembly along the axial direction of the input shaft. This design can solve the technical problems of response delay, high maintenance cost, and high energy consumption in traditional hydraulic clutch systems.

The present application relates to the technical field of vehicle control, in particular to a cockpit light environment control method and related equipment, the method comprising: acquiring a multi-modal control instruction, the multi-modal control instruction comprising at least one of a touch control instruction, a voice instruction or a biological recognition instruction; sending the multi-modal control instruction to a cockpit light environment control system through a star flash wireless communication module; the cockpit light environment control system receives the multi-modal control instruction, analyzes the multi-modal control instruction to determine light environment control parameters, the light environment control parameters comprising a brightness parameter, a color parameter and a mode parameter; and controlling a light emitting unit to perform corresponding light effect display according to the light environment control parameters; the present application can realize wireless control and multi-modal interaction of the cockpit light environment, reduce the cost of the whole vehicle wire harness, and improve the driving and riding experience.

The application provides a loudspeaker mesh cover assembly, a loudspeaker module, a cabin and a vehicle. The loudspeaker mesh cover assembly comprises a mesh cover and a light assembly. The mesh cover comprises a seat body and a cover body. The seat body has a through hole. The cover body is arranged on the through hole. The periphery of the cover body is connected to the seat body. The non-peripheral area of the cover body is exposed by the top side of the seat body. The non-peripheral area of the cover body has a plurality of light outlets. The light assembly comprises a light source and a light guide. The light source and the light guide are both mounted on the bottom side of the seat body. The light guide is connected to the light source and surrounds the through hole. By arranging the light assembly, the loudspeaker mesh cover assembly can emit various light rays, so that the loudspeaker mesh cover assembly can enrich the overall appearance when applied to the loudspeaker module. The light and audio functions are integrated in the same module, the function of the loudspeaker module is enriched, and the use experience is improved.

The application provides a vehicle power loss safety control method, device, equipment and storage medium, the method comprises the following steps: acquiring the state information of the vehicle in real time and storing; if it is detected that the first vehicle controller fails, the first vehicle controller is reset, and it is judged whether the first vehicle controller restarts within the first preset time; if it is not restarted within the first preset time, the first vehicle controller is determined as a fault point, and the second vehicle controller is triggered to switch, wherein the first and second vehicle controllers form redundant control; it is judged whether the second vehicle controller completes the switching within the second preset time, if yes, the second vehicle controller performs redundant control according to the state information; if not, a safety control strategy is executed and an alarm is given, the application adopts the above-mentioned mode to avoid the external power abnormality, improves the driving experience, avoids the safety hidden danger caused by the power loss, and greatly improves the driving safety of the vehicle.

The application provides a hybrid power transmission system, a control method and device, and a vehicle. The system comprises a first motor, an engine, a planetary gear mechanism, a transmission switching mechanism, a first variable speed transmission mechanism, and a first power output mechanism. The transmission switching mechanism comprises a power transmission shaft connected to the first motor, a switching synchronizer rotating synchronously with the power transmission shaft, a first gear, and a second gear. The transmission switching mechanism is used to selectively connect one of the first gear and the second gear to the power transmission shaft by moving the switching synchronizer, or disconnect the first gear and the second gear from the power transmission shaft. The first transmission end of the planetary gear mechanism is connected to the second gear, the second transmission end of the planetary gear mechanism is connected to the engine, and the third transmission end of the planetary gear mechanism is connected to the first variable speed transmission mechanism. The application can realize the switching of different working modes through a simple transmission switching mechanism.

This invention discloses an engine intake mechanism, an engine system, and a vehicle, belonging to the field of engine technology. The engine intake mechanism of this invention makes the inner wall of the airflow guide passage smoother; in other words, there are no geometric abrupt changes in the inner wall of the airflow guide passage. This reduces flow losses in the airflow guide passage, resulting in smaller variations in airflow velocity. Consequently, the airflow pressure and velocity at the turbocharger inlet are more uniform, improving aerodynamic efficiency and thus increasing boost efficiency. The engine system and vehicle of this invention, by applying the aforementioned engine intake mechanism, can improve the engine system's power performance and fuel economy, and enhance the driving experience.

The utility model relates to the technical field of automobile parts, disclose a multifunctional storage rack for automobile rear hatch, include: side frame, storage frame, at least one roof, at least one cross frame, table frame, at least one support plate and at least one storage frame, the side frame is configured to be fixed in the rear hatch inside both sides of car, the storage frame sets up below the side frame, the roof sets up above the side frame, the cross frame installs on the side frame, and / or, the cross frame installs on the roof, the table frame is configured to set up on the tailgate of car, the table frame top is equipped with the tail frame, the support plate installs on the table frame, and / or, the support plate installs on the roof, the storage frame installs on the side frame, and / or, the storage frame installs on the tail frame, the application can realize hidden storage, guarantee that the rear hatch can give full play to the storage function, reduces the noise that the component produced because of the shaking in the vehicle driving simultaneously.