109 results about "Automotive systems" patented technology

The invention discloses a large model driven automobile model modeling method based on a Modelica language, and belongs to the technical field of intelligent modeling and automobile simulation. The method comprises the following steps: firstly, accurately analyzing a natural language demand into a structured triple by adopting a BERT-CRF (domain knowledge enhanced) multi-task model; matching an optimal component combination through a multi-objective optimization algorithm driven by a graph neural network, and cooperatively predicting an interdisciplinary parameter feasible region in combination with symbolic mathematical derivation and machine learning; a topological connection matrix is innovatively optimized by using a graph attention network, and intelligent generation and dynamic verification of simulation codes are realized by fusing a template engine and syntax tree analysis; and finally, constructing a multi-target reward function optimization control strategy through reinforcement learning, and establishing a closed-loop knowledge iteration mechanism. Compared with a traditional modeling method, through deep combination of the large model and Modelica, the technical difficulty of automobile system modeling is remarkably reduced while the preciseness of physical modeling is kept, and the method is particularly suitable for complex scenes such as new energy vehicle model development and intelligent driving system integration.

A seat includes a seat frame, a pad body, and a power generation device. The pad body covers the seat frame. The power generation device is arranged on an occupant-side of the pad body and generates electric power from vibrations. The seat may further include an outer covering that covers the pad body. The power generation device may be located between the pad body and the outer covering.

An Electronic Control Unit (ECU) provides security for an automotive system. The ECU is classified according to a Cybersecurity Assurance Level (CAL) and calculates a cryptographic value for one or more or all modules of the ECU. The calculated cryptographic value is compared with a stored cryptographic value. Based on the CAL classification of the ECU, either control to one or more modules of the ECU is provided or the ECU is shut down as follows: when the calculated cryptographic value matches the stored cryptographic value, control to the one or more or all modules of the ECU is provided; and, when the calculated cryptographic value does not match the stored cryptographic value, the ECU is shut down in one of a current boot cycle or a subsequent boot cycle.

The utility model discloses a specific sealing and fixing device for an automobile wire harness, which comprises a cable, the cable penetrates through a corrugated pipe, one end, penetrating through the corrugated pipe, of the cable is connected with a terminal, two sides of the terminal are fixedly provided with a connector and a cover plate, and a Grommet rubber part is arranged on the cable and between the corrugated pipe and the terminal; according to the automobile EPS system wire harness, the Grommet rubber part has the fixing, wear-resisting, waterproof, sealing and supporting effects on the EPS system wire harness, the structure is simplified and reasonable, the automobile EPS system wire harness can be suitable for scenes with more severe environments, and the automobile EPS system wire harness is easy to process and assemble.

The utility model discloses an electromagnet which comprises a support body and a cover plate fixedly arranged on one side of the support body. An execution assembly is arranged in the support body, the bottom and the top of the support body are both provided with anti-seismic colloid, the bottom is further provided with a PIN terminal, the PIN terminal is electrically connected with the execution assembly, and the connecting position of the PIN terminal and the execution assembly is wrapped by an insulation connecting bridge. The execution assembly comprises a winding supporting piece, a limiting shaft sleeve, an iron core, a permanent magnet and a coil. The two ends of the limiting shaft sleeve are provided with limiting holes, and sliding limiting of the iron core is achieved through a guide block and a positioning base. The anti-seismic performance, the integration level and the installation convenience of the electromagnet can be improved, meanwhile, the leakproofness and the insulativity of the welding part are ensured, and the electromagnet is suitable for an automobile ABS system.

A system for an electric vehicle includes a power switch configured to convert DC power from a battery to AC power to drive a motor, and a three-dimensionally printed heat sink (3D heat sink) coupled to the power switch.

Air vent (2) for an automotive HVAC system, having a control support vane (3) and a controlled vane (6), wherein the control support vane (3) and the controlled vane (6) are arranged in respective arrays in different orientations, the control support vane (3) supports a control member (4) connected to the controlled vane (6) which is arranged behind the control support vane (3), and at least part of the control member (4) is located at least partially within the control support vane (3).

The invention relates to a method for charging a motor vehicle battery during an AVP process carried out within a parking space, wherein the motor vehicle has an electrically controllable locking device for closing a charging opening of the motor vehicle which receives an electrical connection, in particular a charging socket, comprising the following steps: Upon arrival of the motor vehicle at a charging station in the parking area, the infrastructure-side initiation of an opening of the charging port by the locking device in order to release the charging port. After the charging port has been opened, the infrastructure controls a charging robot in such a way that it electrically connects the vehicle's electrical connection to the charging station in order to charge the battery. The invention relates to a further method for charging a motor vehicle battery, a system for a parking space, a device for a motor vehicle, a system for a motor vehicle, a computer program and a machine-readable storage medium.

This application relates to the field of network detection technology, and discloses a method, apparatus, device, and medium for identifying in-vehicle applications. The method includes: reading the behavior sequence of the in-vehicle application within a detection time window; determining discrete anomaly information of the behavior sequence based on discrete outliers of each behavior feature in the behavior sequence; dividing the behavior sequence into multiple sequence segments when the discrete anomaly information meets preset conditions; performing temporal analysis on the behavior features in the sequence segments to generate temporal anomaly information of the behavior sequence; reading and parsing a preset temporal rule chain, and performing temporal and feature matching between the behavior features in the behavior sequence and the rule features in the temporal rule chain to obtain rule matching information of the behavior sequence; and determining whether the in-vehicle application is a malicious application based on the temporal anomaly information and the rule matching information. The technical solution provided by this application can effectively ensure the security of intelligent connected vehicle systems.

The invention discloses a man-machine interaction device using a wireless interface, relates to the technical field of embedded equipment display, and aims to solve the problems that an existing embedded man-machine interaction device is inconvenient to install, difficult to maintain, high in rejection rate and the like due to the fact that the existing embedded man-machine interaction device depends on wired flat cables. The device comprises a man-machine interaction unit, a wireless communication unit and a power supply unit. The man-machine interaction unit comprises a display module and an optional touch module; the wireless communication unit takes a 60GHz millimeter wave non-contact connector chip as a core and replaces a traditional cable to carry out wireless signal transmission; the power supply unit supports multiple modes of contact power taking, wireless charging or battery power supply. Through wireless connection, the installation and maintenance efficiency is remarkably improved, the fault rate and the scrap cost are reduced, temporary installation and use are supported when needed, and the system is particularly suitable for embedded scenes such as smart home, industrial monitoring and vehicle-mounted systems.

Systems and methods related to distributed subsystems with embedded artificial intelligence (AI) compute in automotive systems are disclosed herein. A disclosed automotive computing architecture includes a network, a plurality of networked subsystems in operative communication using the network, and a set of AI accelerators in a one-to-one correspondence with the plurality of networked subsystems. The set of AI accelerators may conduct AI computations for their respective networked subsystems without using the network, reducing latency. The set of distributed AI accelerators may each be optimized for the specific workloads of their subsystems. By using distributed AI accelerators, each task can be handled by hardware optimized for its specific needs, resulting in higher efficiency, lower latency, and better power management. Furthermore, the distributed AI accelerators can provide greater scalability, redundancy, and fault tolerance, enabling better performance across diverse workloads.

An electrified vehicle system is depicted. The system includes a traction battery comprising a variety of electrically connected array modules immersed in a cooling fluid. A sensing component, coupled to at least one array module and immersed in the cooling fluid, is configured to detect a voltage drop when the fluid's contamination level reaches a threshold, thereby increasing its electrical conductivity. This detected voltage drop is communicated to a traction battery monitoring system, enabling proactive management of the cooling fluid's integrity.

The utility model belongs to the technical field of sun visors, and particularly relates to a sun visor with an intelligent screen, which comprises a sun visor shell, a liquid crystal display screen is arranged on one side of the sun visor shell, a mounting groove is arranged on the other side of the sun visor shell, and the sun visor shell is connected with an automobile system through the liquid crystal display screen. Various information of an automobile can be displayed through the liquid crystal display screen, a user can conveniently check the information, when the liquid crystal display screen is used, scenes inside and outside the automobile can be monitored through the camera, videos recorded by the camera can be played through the liquid crystal display screen, and when the automobile is used, the electric push rod can be started by controlling the control panel, so that the user can conveniently check the information. When the electric push rod stretches out and draws back, the camera can be driven to rotate in the mounting base through the first connecting base and the second connecting base, so that the angle of the camera is adjusted, the camera is convenient to use, and the camera can be used as an automobile data recorder and also can be used as an in-vehicle monitor.

The invention relates to a safety air bag ignition chip and a power supply circuit thereof. The power supply circuit comprises a multi-stage direct current-direct current conversion circuit, a charging circuit and an ignition driving circuit. The first-stage DC-DC conversion circuit comprises a step-down and step-up circuit, the input end of the step-down and step-up circuit is used for receiving the input voltage of a first voltage range of a 48V automobile system, and the output end of the step-down and step-up circuit is divided into a first path and a second path; the first path is sequentially connected with the charging circuit and the ignition driving circuit in series, the charging circuit is used for charging the energy storage capacitor, the charged energy storage capacitor provides voltage for the ignition driving circuit, and the ignition driving circuit is used for conducting ignition driving on the safety air bag; the second path is sequentially connected with a second-stage direct current-direct current conversion circuit and a third-stage direct current-direct current conversion circuit in series, voltage distribution is carried out through the first voltage reduction circuit and the third-stage direct current-direct current conversion circuit, and the power supply voltage of each module of the safety air bag ignition chip is obtained.

An electric vehicle system includes a drive axle, a motor, a sensor, a coupling, and a controller. The drive axle is configured to power a set of vehicle wheels. The motor is configured to selectively power the drive axle. The sensor is configured to measure vehicle speed. The coupling is configured to move between an open position, in which the motor and drive axle are disconnected, and a closed position, in which the motor and drive axle are connected. The controller communicates with the motor, the sensor, and the coupling.The control system is configured to: determine a vehicle speed linkage value based on a vehicle operating parameter and move the coupling to the closed position in response to the vehicle speed linkage value being greater than the measured vehicle speed.

This invention provides a method and system for automotive thermal management control. The method includes: acquiring operating status information and fault information of various sub-components in the automotive system; determining the impact level of the operating status and faults of the sub-components on the operation of the automotive system based on the operating status information and fault information of each sub-component; identifying sub-components within a preset impact level; and controlling the operation of the vehicle based on the operating status information and fault information of the sub-components within the preset impact level. This invention reduces the information processing volume of the vehicle controller, lowers the computational load, and thus improves the information processing efficiency of the vehicle controller, avoiding the delay and matching problems caused by the vehicle controller simultaneously collecting and calculating information from multiple sub-components.

A ventilation device for a car HVAC system having control support vanes (3) and controlled vanes (6), wherein the control support vanes (3) and the controlled vanes (6) are arranged in respective arrays of different orientations, the control support vanes (3) support control members (4) connected to the controlled vanes (6), the control members are arranged behind the control support vanes (3), and the control support vanes (3) and the controlled vanes (6) are connected by extending links (8).

The utility model discloses a light guide cavity injection mold in an automobile HUD (head up display) system, which comprises an upper fixing plate, a front mold plate, a rear mold plate, a bearing plate and a lower fixing plate, an upper mold core and a lower mold core are respectively arranged on the mold closing surfaces of the front mold plate and the rear mold plate, and injection molding part cavities in the shape of a light guide cavity workpiece are arranged in the upper mold core and the lower mold core; the upper fixing plate is connected above the front mold plate, the bearing plate and the lower fixing plate are sequentially connected below the rear mold plate, the upper fixing plate is provided with a pouring runner leading to an injection molding cavity, slide assemblies are arranged on the two sides of the upper mold core and the two sides of the lower mold core respectively, limit the left side and the right side of the cavity and can pop out outwards, and the upper mold core and the lower mold core are connected through the slide assemblies. Releasing limitation on the left and right side surfaces of the injection-molded part; the two sides of the injection molding part are each provided with a sheet-shaped structure inclining in the vertical direction, a front mold inclined drawer abutting against the sheet-shaped structure on one side is arranged in the upper mold core, and a rear mold inclined drawer abutting against the sheet-shaped structure on the other side is arranged in the lower mold core. The mold can solve the problem that the inner side space of the mold is insufficient, and the demolding performance is improved.

The utility model relates to an automobile fuel pump control system detection box applied to the technical field of automobile system detection, which comprises a detection shell, a plurality of test ends are arranged on both the detection shell and a test cover plate, and the plurality of test ends are respectively connected with the detection shell and the test cover plate in a penetrating manner; a plurality of detection areas are arranged on the detection shell, and a plurality of test ends are respectively arranged in the detection areas; a plurality of test areas are arranged on the detection shell, a plurality of test ends and indicator lamps are arranged in the test areas respectively, and the indicator lamps are all connected with the test cover plate in a penetrating manner; the test ends in the test area are correspondingly communicated with the test ends in the detection area through lines; by adopting the above structure, through dividing the plurality of detection areas and the plurality of test areas, the detection efficiency is effectively improved, the connection lines are all arranged in the detection box, the detection box is good in integration effect, the automobile wire harness is not easy to damage, and the detection cost is effectively reduced.

The accuracy of the torque broadcast values from an engine control unit is the subject of regulatory requirements for automotive systems since the broadcast torque values are used in calculations to determine regulatory compliance. A system is disclosed herein that includes a powertrain including an engine configured to output torque to a driveline, and an electronic control system operatively coupled with the powertrain. The electronic control system is configured to determine a broadcast engine torque value that is corrected for fueling error between torque based fuel values determined during operation of the engine and the fuel amount that is provided to the engine. The correction for fueling error improves the accuracy of the torque broadcast values.

Systems and methods for generating performance metrics for autonomous vehicle systems are provided. The performance metrics include two complementary metrics that evaluate a machine-learning object prediction model relative to a number of potential trajectories of an autonomous vehicle. The performance metrics include an avoidance metric that quantifies a probability that a region occupied by a real-world or simulated object is reached by the autonomous vehicle, the region is not blocked by another object, and the region is not blocked by a prediction output by the machine-learning object prediction model. The performance metrics also include an availability metric that quantifies a probability that a simulated or real-world object is not located within a region, the region is not blocked by another simulated or real-world object, and the autonomous vehicle is unnecessarily blocked by the prediction output before the autonomous vehicle reaches the particular footprint.

The present invention relates to a motor vehicle system, wherein the system comprises a headlight system, the headlight system being configured to illuminate the front of the vehicle with a variable light distribution. The system includes an environment detection device configured to detect objects in the front of the vehicle with time resolution and, based on the time-resolved detection, to determine an instantaneous position of the object and an instantaneous relative movement between the detected object and the motor vehicle, wherein the system includes a control device for controlling the headlight system, the control device being configured to control the headlight system such that the light distribution in the area of ​​the object detected by the environment detection device has a glare-reducing zone (7).wherein the glare reduction area (7) comprises a central glare reduction area (7a) that excludes the object and an outer predictive glare reduction area (7b), wherein the position and / or spatial extent of the outer predictive glare reduction area (7b) depends on the instantaneous relative movement between the detected object and the motor vehicle (1).

In various examples, visual differences between video data and an encoded version of the video data are used to determine updates to quantization parameters (QPs) used to encode the video data to store or upload video clips that corresponds to notable events associated with a machine. The video data may correspond to images applied to a machine learning model to perform control operations for the machine. A metric may be used to quantify the visual differences. To evaluate the visual differences, samples of the video data and encoded video data may be determined and analyzed, rather than entire images or frames. To selectively enable updates to QPs, the system may detect that a deviation between a bitrate corresponding to the encoded data and a reference bitrate has exceeded a threshold.

A test method comprising: acquiring a design image (S101); on the basis of a preset mapping relationship and functional modules in the design image, generating a simulated data packet (S102); by means of a vehicle system, receiving and analyzing the simulated data packet (S103); in response to a first instruction, displaying on an in-vehicle infotainment interface of the vehicle system tire pressure, vehicle speed, fuel consumption and distance travelled (S104); acquiring a screenshot of the in-vehicle infotainment interface to obtain a target image (S105); and using an image processing technology to compare the design image with the target image, so as to verify whether the interface is correctly displayed, thereby obtaining a test result (S106). The present application can reduce the complexity of test processes, improve test efficiency, and reduce test costs. The present application further relates to a test apparatus, an electronic device, and a storage medium.

The application discloses a kind of vehicle rear oxygen sensor response fault diagnosis method, device and vehicle.It includes: the oxygen storage capacity of catalytic converter under different exhaust flow is obtained;According to different exhaust flow and its corresponding oxygen storage capacity, the relationship between exhaust flow and oxygen storage capacity is determined;According to the relationship between exhaust flow and oxygen storage capacity, whether the response of rear oxygen sensor is fault is diagnosed.Under the premise that the original operating condition of vehicle is not changed, the slow response fault of rear oxygen sensor is diagnosed, the stability of entire automobile system is ensured, and the method is not only suitable for traditional car, but also suitable for hybrid electric vehicle.

The present disclosure provides an automotive system having a lattice member. An automotive system is presented. In one example, a cabin interior storage compartment includes a continuous lattice panel. The lattice panel has a portion defining a door for the cabin interior storage compartment and a living hinge portion defining a seam configured to allow the door to rotate about the seam to access the cabin storage compartment. Other examples are also provided.

The invention relates to a numerical analysis method for condensation heat exchange capacity of a plate-fin heat exchanger, which comprises the following steps of: constructing a reverse Carnot principle thermodynamic cycle experimental device, and selecting the plate-fin heat exchanger with sawtooth fins; working conditions are designed according to an improved Wilson graphical method, and experimental parameters such as inlet and outlet temperature and flow and fin structure and working medium physical property parameters are obtained; a numerical model is built based on energy conservation and the Newton cooling law, a water side heat exchange coefficient empirical formula and a refrigerant side heat exchange coefficient empirical formula are fitted, the water side adopts an improved Wilson graphical method considering fluid properties, and an equivalent Reynolds number containing gas-liquid two-phase parameters is introduced into the refrigerant side; verification shows that the water side low Reynolds number error is less than or equal to 15%, the high Reynolds number is less than or equal to 10%, and the refrigerant side error is within + / - According to the method, continuous data estimation is realized through numerical fitting, the structure of the power-assisted heat exchanger is optimized, and a rapid and accurate heat exchange performance design tool is provided for an automobile R1234yf system.

The utility model provides a permanent magnet synchronous motor, and relates to the technical field of motors. The permanent magnet synchronous motor comprises an upper tool, a rotor assembly, a stator assembly and a lower tool, wherein the stator assembly comprises a stator and a casing, the bottom of the casing is provided with a positioning hole, and the stator is provided with a three-phase PIN; the lower tool is provided with a positioning pin matched with the positioning hole; the upper tool is provided with a first PIN through hole, the rotor assembly is provided with a second PIN through hole, and the three-phase PIN is arranged in the first PIN through hole and the second PIN through hole in a penetrating mode. Compared with the prior art, the motor has the advantages that lugs and positioning holes are additionally arranged on the end cover and the casing, so that the structural complexity can be reduced, the production cost can be saved, and the occupied space of the whole motor in an automobile EMB system can be reduced on the premise of ensuring the process assembly and the structural strength of the motor.

The present disclosure provides systems, apparatuses, and techniques for operating automotive MIMO radar in a crowded multi-path environment to obtain reliable detections by linearly predicting whether a double-static condition is present. To avoid saturation of computational resources processing double-static detections, the described techniques enable a radar system to quickly identify and discard radar detections from the field of view that can be the result of a double-static condition. By ignoring unusable radar returns that can be the result of a double-static condition, an example radar system can focus on processing radar returns from static conditions, e.g., providing radar-based detections as output to automotive systems driving a vehicle in autonomous or semi-autonomous mode. In doing so, an example radar system provides a highly accurate static object detector that is fast enough to detect double-static conditions for vehicle safety systems as well as autonomous and semi-autonomous control.

The application discloses a kind of support switch-off and realize the automobile system circuit of limping mode, when MCU enters limping mode state and one-key starting switch is not pressed when fault occurs, can be through latch circuit to take over logic processing circuit, to maintain the working state of MOSFET before MCU does not appear fault by logic processing circuit, that is, maintain the working state of load before MCU does not appear fault, so as to ensure that the function of the load of vehicle is not affected by MCU fault and normally work, instead of opening the function of load, improve the safety of vehicle, when one-key starting switch is pressed, by latch circuit, send close instruction to logic processing circuit, so as to control MOSFET off by logic processing circuit, that is, load is closed, avoid the situation that the function of opened load cannot be closed even after vehicle is parked, improve convenience.