172results about How to "Improve driving experience" patented technology

The invention discloses a low-speed new energy vehicle driving assistance system based on vision and radar fusion, and belongs to the technical field of automotive electronics, which can adapt to price sensitive attributes, reduce the popularization threshold, adopt hardware combination of a low-cost monocular camera and an angle radar, and are matched with an integrated ADAS domain controller to replace a plurality of independent ECUs (electronic control units). The method does not need to depend on expensive devices such as a high-end millimeter wave radar and a laser radar, hardware and system cost is greatly reduced while multifunctional assistance is achieved, market positioning of low-speed new energy vehicles is perfectly matched, and through the fusion design of vision and a radar sensor and the combination of a front fusion and rear fusion cooperative verification algorithm, the positioning precision of the low-speed new energy vehicles is greatly improved. Visual data accurately identifies visual information such as lane lines, vehicles and pedestrians, radar data accurately detects parameters such as distance and speed and adapts to severe environments such as rain, fog and dark light, the advantages of the visual data and the radar data complement each other, the functional defects of a single sensor scheme are overcome, and the accuracy and stability of environment perception in different scenes are remarkably improved.

The invention discloses a pure electric vehicle type implementation method and system for simulating the driving feeling of a fuel vehicle, and the method comprises the steps: obtaining a virtual target gear or ADAS dialing piece information, obtaining a virtual current gear based on the current driving information, obtaining a virtual target gear based on the virtual current gear and target driving information, and obtaining the ADAS dialing piece information; a gear shifting requirement is obtained based on the virtual target gear or ADAS shifting piece information, the gearbox conducts gear shifting operation based on the gear shifting requirement, and the power amplifier conducts gear shifting sound simulation based on the gear shifting requirement. The new energy vehicle can be improved from four dimensions of upshift and downshift sensing, sound waves, instruments and atmosphere lamps, so that the new energy vehicle is more truly matched with the driving feeling of a traditional fuel vehicle.

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.

The present application relates to the technical field of vehicles, and specifically discloses a control method and device for a hydraulic retarder system, a vehicle and a storage medium, wherein the control method for the hydraulic retarder system acquires a control instruction of the hydraulic retarder; when the control instruction is a starting instruction, a synchronizer is combined with an enablement; the rotational speed V11 of a rotor is acquired; the rotational speed V12 of a driving gear is acquired; a first rotational speed difference rate is calculated, the first rotational speed difference rate=(V12-V11) / V12; and the hydraulic retarder is started when the first rotational speed difference rate is not more than a first set value. The rotational speed of the rotor and the rotational speed of the driving gear are both stable when the hydraulic retarder is started, and normal operation can be maintained, thereby avoiding power jerk and improving the user driving experience.

This invention belongs to the field of vehicle control technology, specifically relating to a pedal feel simulation and coordinated braking control method and system. The method includes: firstly, collecting multiple vehicle operating condition parameters and brake pedal state parameters; determining the current braking intensity based on the pedal state parameters; retrieving the corresponding reference pedal travel-force characteristic curve from a preset database of traditional fuel vehicle pedal characteristics; determining weighting coefficients based on the multiple operating condition parameters; dynamically adjusting the reference curve to generate a target pedal travel-force characteristic curve; and controlling the pedal feedback force output according to the target curve, while simultaneously coordinating the allocation of hydraulic braking torque and regenerative braking torque according to the operating condition parameters. Simultaneously, the actual pedal feedback force is collected, and the weighting coefficients are corrected by comparing the deviation between the actual value and the target curve, thereby recalibrating and updating the target curve to continuously optimize the vehicle braking control effect.

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.

The invention relates to the technical field of vehicle control, and discloses a vehicle starting control method and device, a vehicle and a medium, and the method comprises the following steps: in response to starting operation of the vehicle in an automatic parking state, adjusting parking release control parameters according to current road surface information and vehicle parameters; and releasing the automatic parking state according to the adjusted parking release control parameter. The parking release control parameters are dynamically adjusted according to real-time road surface information and vehicle parameters through a dynamic and self-adaptive parameter adjusting mechanism, the limitation of traditional fixed calibration is eliminated, different road conditions and vehicle states can be adapted, the vehicle starting quality in the automatic parking state is remarkably improved, and the vehicle starting speed is increased. And fixed parameters under the automatic parking function can be continuously optimized, so that the method adapts to individual manufacturing differences of different vehicles, starting abnormities such as slope sliding, dragging and vehicle channeling of the vehicles can be effectively avoided, the safety and smoothness of vehicle starting are improved, and meanwhile the user driving experience and the vehicle intelligent control level are greatly improved.

The invention discloses a mining dump truck voltage type pedal automatic calibration method which comprises the following steps: a control system enters a calibration mode, and a position sensor signal value of a pedal at an initial position is recorded; according to the change of the collected sensor signal value, the characteristic that the position sensor signal increases / decreases along with the increase of the pedal angle is identified, and the boundary value of the position sensor signal is updated and temporarily stored; the obtained pedal position boundary value is judged, and an effective boundary value is stored in a nonvolatile memory; a conversion calculation model is established by utilizing the effective pedal position boundary value, a corresponding percentage is calculated by utilizing the conversion calculation model, and a control system calibrates or calibrates the opening and closing angle of the pedal according to the percentage. According to the method, automatic calibration and calculation tasks of different types of voltage type accelerators and brake pedals in various scenes can be met.

This application relates to an installation device and vehicle for a cab suspension bracket, including a first mounting member connecting to the first suspension bracket, the first mounting member including a first assembly portion and a second assembly portion; and a second mounting member connecting to the second suspension bracket and capable of connecting to the first mounting member; the second mounting member includes a first positioning portion and a second positioning portion respectively matching the positions of the first assembly portion and the second assembly portion; the first positioning portion and the second positioning portion are respectively connected to the first assembly portion and the second assembly portion, so that the first mounting member and the second mounting member are connected. This application can limit and position the first suspension bracket and the second suspension bracket in at least two directions, significantly improving the accuracy of the connection between the first suspension bracket and the second suspension bracket; through the precise positioning of these two brackets during the installation process, the connection quality and stability between the cab and the frame are effectively improved, making the installation process simpler and more reliable.

The invention provides a parking method and device, a medium, a product, a chip system and a vehicle, and relates to the technical field of intelligent driving. The parking method comprises the steps that when a vehicle reaches a preset range outside a target parking space, the current position of the vehicle is acquired; wherein the target parking space is a parking space in which the vehicle is to be parked; planning a parking path based on the current position of the vehicle and loading the parking space data of the target parking space which is subjected to implicit reconstruction; and controlling the vehicle to park in the target parking space according to the parking path. On the basis of the method, the problem that effective automatic parking assistance cannot be provided is solved, the parking path is planned based on the parking space data of the target parking space subjected to implicit reconstruction, the vehicle is controlled to be parked according to the path, the vehicle can be smoothly parked in the parking space, the application range of the auxiliary parking technology is widened, and the user experience is improved.

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.

The invention relates to the technical field of vehicle chassis, and provides a vehicle control method and a vehicle. The vehicle control method comprises the steps that under the condition that it is detected that a vehicle meets a preset vehicle moving condition, the moving direction and the moving displacement amount of the vehicle are determined; and according to the moving direction, the moving displacement and a preset rule, the suspension assemblies at all the wheels are controlled to execute periodic telescopic actions, so that the vehicle moves in the moving direction till the displacement is moved. According to the vehicle control method, movement of the vehicle is achieved by controlling the suspension assembly, so that the barrier-free space needed by vehicle movement can be reduced, the vehicle movement requirement in the narrow space can be met, and the driving experience of the vehicle is improved.

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 relates to the technical field of airflow silencing, in particular to an automobile airflow silencer which comprises a shell and a shell air inlet. The connecting pipe is connected to the inner wall of the air inlet of the inner shell in an inserted mode, and a rectangular or round hole communicated with the first inner cavity is formed in the outer wall of the connecting pipe. The air inlet pipe is connected to the inner wall of the air inlet of the shell in an inserted mode, and the air inlet pipe corresponds to the connecting pipe in position. The front end of the air outlet pipe penetrates through the outer shell air outlet and then is inserted into the inner wall of the inner shell air outlet, and a rectangular or circular hole communicated with the interior of the outer shell is formed in the outer wall of the lower end of the air outlet pipe. By improving the automobile airflow silencer, the automobile airflow silencer has the advantages of being reasonable in structural design, rapid in silencing, smooth in exhaust and capable of changing the exhaust sound effect, and therefore the problems and defects in the prior art and equipment are effectively solved.

The utility model relates to the technical field of middle motors, and discloses a middle motor with a dual-drive structure, which comprises a case, a main motor and an auxiliary motor are arranged in the case, the output end of the main motor is fixedly connected with a first gear, and the output end of the auxiliary motor is connected with a clutch through a flying disc. And the interior of the case is rotationally connected with a second gear through a rotating shaft. According to the middle motor with the dual-drive structure, the auxiliary motor is additionally arranged on one side of the main motor, the first gear is arranged at the output end of the main motor, the output end of the auxiliary motor is connected with the rotating shaft of the second gear through the flying disc and the clutch, and the first gear and the second gear are in transmission connection through the steering gear; the auxiliary motor can be additionally started under the working conditions of climbing, loading and the like and is matched with the main motor to achieve dual drive, the overall output power is improved, the vehicle is driven to smoothly advance under the complex working conditions, the problems of overload, efficiency reduction and the like under the complex working conditions are solved, and the driving experience of a driver is improved.

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 invention provides a traffic signal identification method, a storage medium, a product, equipment and a vehicle. The method comprises the following steps: based on a first image, outputting first traffic information; wherein the first traffic information is obtained by processing the first image by using a first model and a second model; the first model is used for detecting a traffic signal in the first image to obtain a detection result; the second model is used for generating first traffic information based on the first image; the second model is determined based on the detection result. And performing corresponding processing on the first image by combining the characteristics of different types of models so as to generate first traffic information. Thus, the performance and efficiency of traffic signal recognition can be improved, traffic knowledge of a user can be efficiently and accurately guided, and the driving experience of the user is improved.

The utility model discloses a transmission assembly, a power transmission device and a vehicle, the transmission assembly comprises a power shaft, a driven gear, a transmission part and a buffer part, a driving gear is arranged on the power shaft, the driving gear is suitable for being meshed with a power output device, a matching section is formed on the power shaft, and the driven gear is arranged on the matching section in a sleeving mode; the driven gear can rotate relative to the matching section, a first circumferential matching part is arranged on the driven gear, the transmission part is arranged on the matching section and rotates synchronously with the power shaft, a second circumferential matching part is arranged on the transmission part, and the second circumferential matching part and the first circumferential matching part are arranged correspondingly. When the driven gear moves in the circumferential direction relative to the matching section, the first circumferential matching part and the second circumferential matching part get close to each other or get away from each other, the buffering piece is connected between the first circumferential matching part and the second circumferential matching part, and the buffering capacity of the transmission assembly can be improved.

This application provides a vehicle-mounted waste disposal method, electronic device, storage medium, and program product, relating to the field of automotive technology. The method includes: responding to the detection of waste being deposited into the waste collection bin; controlling the waste collection bin to perform baling processing based on the deposited waste; detecting whether the vehicle's power supply is down after baling processing is completed; and outputting a first reminder message in response to the detection of the vehicle's power supply being down. When the application detects that waste has been deposited into the waste collection bin, it controls the waste collection bin to perform baling processing based on the deposited waste, reducing odors caused by waste exposed to air and improving the user's driving experience; after baling processing is completed and the vehicle's power supply is detected to be down, it outputs a first reminder message to the user, reminding the user to take the baled waste with them when leaving, avoiding prolonged storage of waste inside the vehicle, and effectively disposing of vehicle-mounted waste.

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 relates to the field of vehicle driving technology and discloses a start-up reminder method, an electronic device, a readable storage medium, and a vehicle. The method includes: acquiring environmental information and speed information corresponding to the vehicle; determining that the vehicle meets the start-up conditions based on the environmental information and speed information; and outputting a start-up reminder message if it is determined at a first moment that the vehicle has not started. The first moment is spaced apart from the second moment when the start-up conditions are determined to be met by a first duration, which is determined based on the user's historical start-up response duration. Based on the start-up reminder method provided in this application, the delay duration (i.e., the first duration) of the current start-up reminder can be determined based on the user's historical start-up response duration, thus matching the driving habits of different users and improving the driving experience.

A parallel and V-shaped 12-channel high-performance assembly comprises an intermediate shaft (1), a first universal joint (2) is arranged at one end of the intermediate shaft, a second universal joint (3) is arranged at the other end of the intermediate shaft, and the problems that a traditional VL joint product is large in channel contact stress, high in channel abrasion speed and large in later vibration sounding risk are mainly solved. The utility model provides a 12-channel high-performance assembly which is parallel to each other and is arranged in a V shape, the 12-channel design is adopted, the contact stress between the channels and steel balls can be effectively reduced, the contact stress of the channels of the product is reduced by 70% under the condition that loads with the same torque are transmitted, and the fatigue life of the assembly can be effectively prolonged; and meanwhile, the V-shaped structural design of 3-12 degrees is adopted, the jamming phenomenon caused when the swing angle of the driving shaft is close to the limit can be effectively avoided, the vibration and sounding phenomenon of the assembly is reduced, and the driving experience is effectively 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 disclosure discloses a vehicle humidification control method, apparatus, computer-readable storage medium, and vehicle. The method can be applied to a vehicle humidification system, which includes a first water pump, a three-way valve, a water storage device, a second water pump, and a humidifier. The first end of the three-way valve is connected to a vehicle water-generating device via the first water pump, and the second end of the three-way valve is connected to the humidifier via the water storage device and the second water pump. This method, based on the water levels in the water storage device and the humidifier, controls the water pumps and the three-way valve to ensure that water generated by the vehicle water-generating device is delivered to the humidifier, automatically and promptly replenishing the humidifier. This improves the comfort of the in-vehicle environment through humidification, thereby enhancing the user's driving experience.

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.

This invention provides a method, device, and intelligent vehicle for assisted driving safety control, belonging to the field of functional safety technology for autonomous driving. The safety control method includes: detecting active driving information caused by the user, including brake pedal input and steering wheel input; detecting whether the assisted driving controller is experiencing abnormal operating conditions, including continuously issuing acceleration commands, continuously issuing braking commands, and continuously issuing steering commands; determining whether the assisted driving controller has malfunctioned based on the detection results of the abnormal operating conditions and the active driving information; and determining whether the assisted driving control should be actively disengaged by actuators, including a vehicle power controller, a vehicle stability system, and a power steering system, based on whether the assisted driving controller has malfunctioned. This invention not only maximizes vehicle safety but also considers the driving experience.

The application relates to the technical field of vehicle interiors, and provides a handrail structure and a vehicle. The handrail structure comprises a handrail body and an expansion assembly arranged on the handrail body; the expansion assembly has a decorative surface and a functional surface, and a functional module is arranged on the functional surface in an exposed mode; the functional module is adapted to detect or stimulate the body of a passenger; the expansion assembly is driven to be capable of being switched between a decorative state and a use state; in the use state, the functional surface faces outward from the handrail body, and the functional module can be in contact with the body of the passenger supported on the handrail body. The application not only can expand the function of the handrail structure, but also can ensure the coordination of the overall interior of the vehicle when the expanded function is not used, so that the use quality of the whole vehicle can be improved.

The utility model discloses a human body self-adaptive seat controller, which comprises an upper shell and a lower shell, a PCB (Printed Circuit Board) is arranged between the upper shell and the lower shell, the PCB is provided with an MCU (Microprogrammed Control Unit) core module, an electromagnetic valve group, a communication module and a driving circuit, and the human body self-adaptive seat controller further comprises a noise reduction structure; the communication module and the driving circuit are respectively connected with the MCU core module, and the electromagnetic valve group is connected with the driving circuit; the MCU core module is configured to execute a preset program to output a control instruction for controlling the human body self-adaptive seat; the noise reduction structure comprises an air valve noise reduction cushion arranged between the upper shell and the PCB and a contact vibration blocking pad arranged on the outer side of the upper shell. The human body self-adaptive seat controller has a series of advantages of low noise, high integration level, high reliability, self-adaptive adjustment and the like.

The invention provides a method for treating a brake disc through enhanced ferrite nitrocarburizing oxidation and the brake disc manufactured through the method. The brake disc is subjected to stress relief annealing, multi-stage pre-oxidation treatment, multi-stage nitriding treatment, multi-stage post-oxidation treatment and cooling treatment; and key parameters such as process temperature, atmosphere concentration and treatment duration of each stage are regulated and controlled. According to the brake disc manufactured through the treatment, the abrasion resistance is remarkably improved, the rust resistance and the corrosion resistance are enhanced, and the thickness of the white bright layer is uniform and consistent. The brake disc treated by adopting the method disclosed by the invention smoothly passes a braking particulate matter emission test of the Europe 7 standard, and the dual advantages of the brake disc in the aspects of environmental protection performance and braking performance are proved.

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.