159 results about "Automotive systems" patented technology

The invention relates to the technical field of fault detection control, and discloses an automobile fault detection method and system fusing sensor data. The method comprises the following steps: modeling a multi-system sensor network through an automobile system topology mapping algorithm to obtain a sensor topology incidence matrix; performing synchronous processing on the sensor topological incidence matrix according to a vehicle dynamics constraint equation to obtain a synchronous multi-sensor data set; inputting the synchronous multi-sensor data set into a fault propagation path sensing network for fusion to obtain a vehicle system fault feature vector; detecting the fault feature vector based on an automobile physical model constraint optimizer to obtain a fault state recognition result; and tracing and controlling a fault state identification result according to the fault propagation atlas model to obtain a system adjustment control signal. According to the invention, the source identification accuracy of the complex coupling fault and the pertinence of control and adjustment are improved.

In various examples, head pose prediction for automotive occupant sensing systems and applications is presented. The systems and methods described herein provide for a machine learning model trained using a dataset that comprises ground truth head pose data computed using a registered head model of a training subject. While operating a vehicle, one or more cameras and a depth sensor capture synchronized images of the training subject. To compute a ground truth 3D head pose, angular deviations between a 3D point cloud and the registered head model may be computed to obtain a 3D ground truth head pose measurement. Using an extrinsic calibration transform, the head pose measurement may be mapped into the sensor coordinate frame. Training samples may be produced for training the machine learning model that comprise an optical image frame and the head pose measurement transposed into the frame of reference for that optical image frame.

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.

The invention discloses an intelligent networked automobile AEB system based on an improved TTC model and a control strategy of the intelligent networked automobile AEB system. The control strategy comprises the following steps that S1, a data acquisition module acquires sensor data in real time and transmits the sensor data to a safe automobile distance judgment module; s2, calculating collision time Tttc by a safe vehicle distance judgment module; s3, calculating a dynamic safe distance Dego by a safe vehicle distance judgment module; s4, the safe vehicle distance judgment module calculates the braking distance which should be reserved in the vehicle driving process; s5, a safe vehicle distance judgment module calculates graded braking threshold values Ti, Tj and Ts; s6, a safe vehicle distance judgment module judges whether a collision risk exists or not according to the improved TTC trigger logic; s7, if the risk threshold is triggered, entering a grading early warning control module, and outputting corresponding strategies under different risks according to risk grades; the method solves the problems that a dynamic safety distance is lacked and a graded braking threshold value is statically set, and is suitable for more complex scenes with different vehicle speeds, road conditions and driving environments.

The invention discloses an automobile EMB system clamping force accurate control method based on an extended state observer, and belongs to the technical field of electric automobile EMB systems, and the method comprises the following steps: S1, building a novel EMB system five-degree-of-freedom dynamic model containing a LuGre friction model by using an EMB system dynamic relationship; s2, simplifying the five-degree-of-freedom dynamic model of the novel EMB system, estimating the load torque of an EMB driving motor according to the extended state observer, and then estimating the clamping force of the EMB system according to the load torque and the simplified five-degree-of-freedom dynamic model of the novel EMB system; and S3, replacing the measured value to be a feedback value of clamping force closed-loop control of the EMB system according to the estimated EMB clamping force, and accurately controlling the clamping force by adopting fuzzy PID control. By the adoption of the automobile EMB system clamping force accurate control method based on the expansion state observer, the problems that a pressure sensor is high in cost and automobile braking performance is prone to being reduced are solved, and clamping force response is accurately controlled through a fuzzy PID closed loop.

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.

A multi-channel vehicle-mounted seat vibration feedback system and method, the system includes a signal input module configured for obtaining interaction signals collected or output by an automobile system; a signal processing module configured for performing data stream conversion on each interaction signal to obtain a corresponding pending signal; a multi-channel data processing module configured for preprocessing the pending signal according to a preset signal processing method to obtain a multi-channel signal; a driving module configured for outputting a driving signal for driving the vibration and / or sound of the automobile seat through a feedback output channel according to the multi-channel signal; and an execution module configured for driving the vibration and / or sound of an actuator of the automobile seat according to the driving signal output by each individual tactile feedback output channel. As a result, the signal feedback effect is more accurate and richer, and the use experience is better.

Systems and methods are disclosed for determining the efficacy of an autonomous vehicle driving system in exhibiting safe driving behavior during test track scenarios. Testing parameters eliciting autonomous vehicle driving system behavior may be chosen for the test track scenario. The autonomous vehicle driving system may be tested in the test track and autonomous vehicle driving system behavior may be observed in response to the presentations of testing parameters. A safe driving score may be calculated for the autonomous vehicle driving system based on measured autonomous vehicle performance and operational data generated responsive to the presentation of testing parameters in the test track. A benchmark insurance premium may be calculated for an autonomous vehicle driving system based on the calculated safe driving score.

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.

The present invention relates to a control method for allowing customers to statically experience a pure electric vehicle system. The system comprises a cockpit control system, a regional control system, a vehicle control system, a vehicle networking control system, a body accessory system, a high-voltage control system, a drive system, and an air conditioning accessory system. This method addresses specific scenarios by employing effective and rational control methods to preemptively enter a specific vehicle mode (such as a car show mode). This prevents the vehicle from becoming stationary and displaying "Ready to Drive" unless the vehicle exits this mode. This allows customers to confidently experience the vehicle's various intelligent functions, gain a deeper understanding of the vehicle, enhance their purchasing desire, and ultimately increase sales.

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.

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.

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.

1. Name of this design product: Dynamic graphical user interface for a vehicle-mounted drone operating as an electronic device. 2. Application of this design product: electronic equipment used in automotive systems. 3. The key design point of this design product lies in the content of the graphical user interface in the electronic device. 4. The picture or photo that best illustrates the design points: Interface change state diagram 38. 5. Purpose of the graphical user interface: used to display the operating status of the vehicle-mounted drone. 6. Graphical user interface human-computer interaction: The operator monitors and controls the vehicle-mounted drone from the vehicle computer, and the graphical user interface displays the status of the vehicle-mounted drone. When the operator presses the "one-key start" button on the vehicle-mounted drone, the vehicle-mounted drone starts and takes off to the cruising altitude, and the electronic device displays the main view to the interface change state diagram 35 in sequence. The main view to the interface change state diagram 35 is the interface from the vehicle-mounted drone starting to cruising, and the main view to the interface change state diagram 35 is the animation effect key frame; when the operator presses the "one-key accompanying flight" button on the vehicle-mounted drone corresponding to the interface change state diagram 35, the electronic device continues to display the interface change state diagram 35 to the interface change state diagram 40 in sequence starting from the interface change state diagram 35, and the electronic device displays the flight altitude and speed information. The interface change state diagram 36 to the interface change state diagram 40 are the animation effect key frames during cruising. When the operator presses the "one-key landing" button on the vehicle-mounted drone corresponding to the interface change state diagram 40, the vehicle-mounted drone lands and is retracted, and the electronic device continues to display the interface change state diagram 40 to the interface change state diagram 77 in sequence starting from the interface change state diagram 40. The interface change state diagram 41 to the interface change state diagram 77 are the interfaces from the vehicle-mounted drone landing to the retraction, among which the interface change state diagram 41 to the interface change state diagram 77 are the key frames of the animation effect. 7. Other situations that require explanation Other explanations: This design product involves a graphical user interface, and its design focus lies in the graphical user interface. Therefore, the rear view, left view, right view, top view and bottom view of the electronic device have no design focus, and the rear view, left view, right view, top view and bottom view of the electronic device are omitted.

The presented system for automotive vehicles comprises a double-acting pulsation damper with a hydraulic damper that can receive hydraulic oil at two ports. A pump supplies oil via two lines and pressurizes the damper. Between the damper and the pump is a pulsation damper with a pressure chamber divided into two spaces by a movable separating piston. Each space contains a spring that preloads the piston. An actuator allows this preload to be adjusted to optimally adapt the damping system. The piston is adjustable using the actuator to allow for the additional preload.

The present invention relates to a method for updating target files in an open automotive system architecture, the method comprising the following steps: retrieving an extensible markup language (XML) file generated according to the changes to the target variable of the post-code generation attribute type, as well as the corresponding first target file to be updated; retrieving the address data of the target variable in the first target file based on the extensible markup language file; updating the values ​​of the target variable in the first target file based on the retrieved address data to generate an updated second target file. The present invention further relates to an apparatus for updating target files in an open automotive system architecture, a computing device, a computer-readable storage medium, and a computer program product.

This application relates to the field of fault detection and control technology, disclosing a method and system for automotive fault detection that fuses sensor data. The method includes: modeling a multi-system sensor network using a vehicle system topology mapping algorithm to obtain a sensor topology correlation matrix; synchronously processing the sensor topology correlation matrix based on vehicle dynamics constraint equations to obtain a synchronized multi-sensor dataset; integrating the synchronized multi-sensor dataset into a fault propagation path perception network to obtain a vehicle system fault feature vector; detecting the fault feature vector based on a vehicle physical model constraint optimizer to obtain a fault state identification result; and tracing and controlling the fault state identification result based on a fault propagation graph model to obtain a system adjustment control signal. This application improves the accuracy of root cause identification for complex coupled faults and the targeted control and adjustment.

Automotive systems are presented. In one example, a cabin interior storage compartment includes a continuous latticed panel. The latticed panel has a portion defining a door for the cabin interior storage compartment and a living hinge portion defining a seam configured to permit rotation of the door about the seam for access to the cabin storage compartment. Other examples are also provided.

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).