1833 results about "Automotive electronics" patented technology

The invention discloses an automobile steering controller fault detection method and system, and relates to the technical field of automobile electronic control. The surface image acquisition module captures an image through a visual sensor, the quality is improved through the image preprocessing module, the convolutional neural network accurately recognizes appearance defects, and the three-dimensional contour detection and thermal imaging module is triggered to be linked to re-check an abnormal area; the three-dimensional contour module confirms patch offset or tombstone standing abnormity by using a laser scanning technology; the thermal imaging analysis module is matched with a machine learning technology to analyze welding spot temperature abnormity; the predictive fault diagnosis module predicts a defect risk by using deep learning and performs early warning in advance; and the collaborative decision optimization module integrates a multi-module data dynamic optimization detection strategy. Through integration of defect detection, re-checking and prediction, the quality detection precision, coverage and efficiency of the automobile steering controller are greatly improved, the high-quality standard and production stability of products are ensured, and the requirement of the automobile industry for efficient detection is met.

The invention relates to the technical field of automobile electronic testing, and discloses an integrated ECU power-on burning test monitoring system and method. The system comprises a power supply intelligent regulation and control module, a burning verification module, a test diagnosis module, an abnormity monitoring module and a feedback optimization module. The power supply intelligent regulation and control module realizes stable power supply output through a dynamic voltage frequency regulation algorithm and a temperature self-adaptive algorithm; the burning verification module is used for ensuring the burning integrity by using a block redundancy check and increment verification algorithm; the test diagnosis module diagnoses faults based on the multi-dimensional test data and the decision tree model; the abnormity monitoring module monitors abnormity in real time by using real-time streaming data processing and an isolated forest algorithm; and the feedback optimization module optimizes test diagnosis through incremental learning and a Bayesian optimization algorithm. According to the system and the method, comprehensive and accurate monitoring and optimization of the ECU are realized, and the performance and the reliability of the ECU are effectively improved.

The invention discloses a heat-resistant flame-retardant reinforced polyamide composition as well as a preparation method and application thereof, and the heat-resistant flame-retardant reinforced polyamide composition comprises the following raw materials in parts by weight: 30-41 parts of polyamide, 15-20 parts of a flame retardant, 2-5 parts of a synergistic flame retardant, 10-20 parts of syndiotactic polystyrene, 2-8 parts of a compatilizer and 10-30 parts of glass sheets. The polyamide comprises one or more of PA66 (polyamide 66) and PA6 (polyamide 6); the compatilizer comprises maleic anhydride grafted syndiotactic polystyrene; according to the invention, syndiotactic polystyrene with excellent dimensional stability and polyamide are selected for composite modification, so that the obtained composition has the advantages of high dimensional stability, low warpage, excellent mechanical property, flame retardance and heat resistance, simple process, good processability and low cost. And the composite material can meet the fields of automobiles, electronic appliances, traffic equipment, aerospace automobiles, electric tools and sports equipment with high requirements on dimensional stability, warping property, strength, flame retardance and heat resistance.

The invention discloses an artificial intelligence automobile authority safety control method and device, and relates to the technical field of automobile electronics. According to the technical scheme, physiological monitoring data, driving behavior data and environment sensing data in a current period are acquired; calculating a physiological anomaly index, an operation deviation degree and an environment danger coefficient of the current period; inputting the physiological anomaly index, the operation deviation degree and the environmental risk coefficient into a risk prediction model fused with an attention mechanism to obtain a dynamic risk value of a next period; correcting the dynamic risk value according to the risk aging decay factor, and matching a target risk level according to the corrected dynamic risk value; determining a dynamic permission adjustment strategy corresponding to the target risk level by using a risk-permission linkage rule; and performing real-time verification on the dynamic permission adjustment strategy based on the driving scene where the vehicle is located, generating a controllable function list, and executing permission authorization operation in the next period. The main purpose is to realize accurate permission adaptation of vehicle functions.

The invention discloses a locked-rotor protection method and device for a rearview mirror motor, and is applied to the field of automotive electronics, and the method comprises the steps: controlling a motor to rotate according to a rearview mirror adjustment instruction after the rearview mirror adjustment instruction is received; in the rotating process of the motor, the voltage value of the position where the rearview mirror is located at each moment and the running current of the motor are obtained; determining a voltage locked-rotor mark according to the voltage value of the position of the rearview mirror at each moment; determining a current locked-rotor mark according to the motor operation current; when the voltage locked-rotor mark and the current locked-rotor mark are both preset marks, it is determined that locked-rotor happens to the motor, and the motor is controlled to stop rotating. By monitoring the voltage value and the current value at the same time, when the voltage locked-rotor mark and the current locked-rotor mark are triggered at the same time, whether locked-rotor happens to the motor or not can be accurately recognized, so that measures are taken in time, and the motor is prevented from being damaged.

The invention discloses a vehicle exterior handle waterproof false triggering system and method based on double-frequency-point charging and discharging resonance, and relates to the technical field of automotive electronics. An electrode array composed of capacitance detection electrodes is arranged on the inner side of a vehicle exterior handle to form a vehicle exterior handle capacitance sensor; in a non-interference environment, high-frequency and low-frequency mutual capacitance reference values are collected, and a compensation parameter library is established by associating outer handle shell parameters of the vehicle; a self-capacitance channel of the electrode array is used for detecting proximity signals, high-frequency and low-frequency mutual capacitance signals are collected, and the high-frequency and low-frequency mutual capacitance signals are preprocessed; calling a compensation parameter library to correct the preprocessed high and low frequency mutual capacitance signal, and calculating the mutual capacitance increment and change slope of the high and low frequency mutual capacitance signal; based on the mutual capacitance increment and the change slope, human body touch and water interference are distinguished by analyzing high-frequency and low-frequency signals.

The embodiment of the invention discloses an automobile power-assisted steering test system and method, and relates to the technical field of automobile electronics. An EPS controller in the automobile power-assisted steering test system is used for acquiring an input torque generated by a driver simulation motor through an angle torque sensor; according to the input torque and the state information of the vehicle, the power-assisted torque needing to be output by the EPS motor in the steering process is determined; the power-assisted torque is sent to an EPS motor, so that the EPS motor assists the vehicle in steering; if the input torque, the power-assisted torque and the actual resistance torque of the rocker arm end are balanced in the steering process of the vehicle, and the amplitude and the variation trend of the power-assisted torque all accord with the preset power-assisted characteristic curve, the vehicle power-assisted steering test passes. Therefore, by introducing a driver steering wheel input part and a steering resistance simulation part, the automobile power-assisted steering test system can simulate the working principle of a steering system more truly, so that the test precision and effect are improved.

The invention discloses press-fitting equipment for automobile electronic throttle body machining, and relates to the field of electronic throttle body machining, the press-fitting equipment comprises a base and an electric guide rail fixedly mounted on the surface of the base, a sliding block is arranged in the electric guide rail, and a press-fitting platform is fixedly mounted at the upper end of the left side of the base; an electric telescopic rod is installed at the middle end of the press-fitting platform in a penetrating mode, and a press-fitting block is fixedly installed at the output end of the electric telescopic rod. According to the press-fitting equipment for machining the automobile electronic throttle body, when the movable plate on the fixed platform clamps the automobile electronic throttle body, the clamping plate and the non-slip mat on the inner side of the movable plate firstly make contact with the automobile electronic throttle body, at the moment, the clamping plate clamps the automobile electronic throttle body along with the movable plate, and therefore the buffering and damping effects can be achieved; the situation that when the automobile electronic throttle body is clamped, the pressure is too large, and consequently the automobile electronic throttle body is deformed and damaged is avoided, and the automobile electronic throttle body can be protected.

The invention discloses a multi-source heterogeneous fusion new energy automobile battery thermal runaway early warning system, which relates to the technical field of automobile electronics, and comprises a multi-source data acquisition module, an edge calculation module, an evaluation module and an early warning module, the multi-source data acquisition module acquires battery data of a vehicle in real time based on a sensor, and uploads the acquired data to the edge calculation module; and the edge calculation module constructs a deep learning model, trains the model, inputs data acquired in real time into the constructed model, and analyzes the battery data of the vehicle. The invention further discloses a multi-source heterogeneous fusion new energy automobile battery thermal runaway early warning method. According to the method, the operation state of the battery can be comprehensively and accurately known from multiple dimensions, the problem that information of a single data source is one-sided is solved, the accuracy of battery thermal runaway risk judgment is greatly improved, early-stage accurate early warning is achieved, early warning is conducted in time, and harm is avoided.

The invention relates to a high-thermal-conductivity epoxy resin conductive adhesive containing a composite conductive filler and a preparation method of the high-thermal-conductivity epoxy resin conductive adhesive. The high-thermal-conductivity epoxy resin conductive adhesive containing the composite conductive filler comprises 6-16% of graphene oxide modified epoxy resin, 0.6-3% of a curing agent, 0-1% of a curing accelerator, 2-7% of epoxidized soybean oil modified single-layer / multi-layer carbon nanotubes, 3-7% of carbon fibers, 3-7% of nano silver powder, 40-70% of micron silver powder, 5.0-15.0% of a surface treating agent, 0.3-2.7% of a coupling agent, 0.5-1.5% of a dispersing agent, 0.1-0.3% of an antioxidant and 0.1-0.3% of a lubricant. 0.5% and the balance of a solvent. The graphene oxide modified epoxy resin and the epoxidized soybean oil modified single-layer / multi-layer carbon nanotubes are utilized to improve the dispersion stability of the filler, the modified single-layer / multi-layer carbon nanotubes are adopted as a short-range conductive additive, the carbon fibers are adopted as a long-range conductive additive, and the graphene oxide modified epoxy resin and the epoxidized soybean oil modified single-layer / multi-layer carbon nanotubes and the carbon fibers cooperate to improve the conductivity. The conductive adhesive disclosed by the invention is high in heat conductivity, low in volume resistivity and high in tensile strength and bending strength, and has a wide application prospect in the fields of automotive electronics, wind power photovoltaics, LEDs (Light Emitting Diode), LCDs (Liquid Crystal Display) and the like.

The invention relates to the field of task queue scheduling of automobile chips, in particular to a test case dynamic priority scheduling method for automobile electronic chips. Comprising the following steps: analyzing standard test data of the automobile electronic chip, and organizing a structured data set associated with the physical layout of the chip; identifying failure clusters and noise points on the structured data set by using a data clustering algorithm; extracting geometric and position features of the failure cluster, classifying the failure cluster into a known failure mode by using a classifier, performing correlation analysis on the failure mode, an upstream key process step and an equipment log, and establishing a causal relationship; calculating a function security risk score for each chip; and when the function security risk score is higher than a preset risk threshold value, generating and executing a dynamic task rearrangement instruction, and dynamically improving the execution priority of the test case. According to the method, the priority is dynamically selected according to the function security risk score through the dynamic task rearrangement instruction, so that the test time is saved, and the coverage depth and quality of the test are improved.

The invention discloses an intelligent cockpit implementation method and system based on single-model multi-task reasoning, and belongs to the field of automotive electronics, and the method comprises the steps: inputting shared depth features into a detection head and a first classification head after original image data in an intelligent cockpit is preprocessed; the output of the detection head is subjected to detection post-processing to obtain a target detection anchor frame and position information, and the output of the first classification head is subjected to classification post-processing to obtain distraction identification classification; after the target detection anchor frame and the position information are preprocessed, human body area sub-images are input into a safety belt recognition and classification model; inputting the face region sub-images into a fatigue recognition classification model, a face ID matching model, a fixation point estimation model, a sight line estimation model and a head posture estimation model in parallel; and a face image sequence and a voice sequence in the continuous video stream are collected, the face image sequence and the voice sequence are respectively input into the lip language recognition model and the voice recognition model, a recognition result is input into the large language model to be processed to generate an interaction instruction, and a response is output through the voice synthesis module.

The invention relates to an FOC control method based on an automobile air conditioner module motor without a Hall sensor, and belongs to the technical field of automobile electronics. The method comprises the following steps: injecting double-frequency voltage pulses into a stator in stages to position a rotor; collecting current through a sampling resistor and filtering to construct a rotor flux linkage distribution model, and presetting rectangular axis current in combination with noise reduction of a miniature acoustic sensor and air speed gear of an air conditioner; an extended Kalman filter observer is adopted to reversely deduce the load torque, and the torque change rate is monitored to trigger instantaneous load impact protection; the voltage space vector amplitude is corrected through voltage feed-forward compensation, a resistor-capacitor series filter circuit is additionally arranged, and phase dislocation pulse width modulation is adopted for resisting interference; and establishing a motor efficiency-rotating speed-load three-dimensional optimization method, starting dynamic flux-weakening control, and estimating the winding temperature through the stator resistance to adjust the flux-weakening depth. Accurate starting and dynamic load adaptation of the Hall-sensor-free motor are achieved, starting out-of-step and noise exceeding are avoided, and stable air volume of an automobile air conditioner and long-term reliable operation of the motor are guaranteed.

The invention provides a laser ranging device based on an FPGA (Field Programmable Gate Array) and a single photon avalanche diode. The device is characterized in that the distance measuring device is composed of a field programmable logic gate array calculation core (1), a quenching circuit (2), a single photon avalanche diode (3), a pulse laser driving circuit (4), a pulse laser (5) and an optical lens system (6), and the field programmable logic gate array calculation core (1) comprises time digital conversion logic (11) and calculation logic (12). Wherein the time-to-digital conversion logic comprises correction algorithm logic (111) and carry chain logic (112). According to the invention, a single photon avalanche diode and a dark counting correction algorithm are combined to solve the problems of low precision, low linearity and short measurement distance of the existing distance measurement device. The method can be used for detecting the distance by laser, and can be widely applied to the fields of automotive electronics, medical treatment, industrial robots, national defense, aerospace and the like.

The invention discloses an automobile electronic wire harness insulation sheath crack detection system based on computer vision, and the system comprises a multi-channel input module which is used for obtaining and preprocessing multi-channel original data frames; the double-domain feature extraction module is used for extracting a double-domain feature pyramid; the double-domain fusion module is used for executing cross-domain attention and mutual information consistent weighting and inhibiting mirror surface highlight pseudo response; the topological structure output module is used for outputting a preliminary crack structuring result through the multi-head crack structure prediction head set; the communication repair module is used for carrying out breakpoint bridging and conflict rollback on the preliminary crack structuring result; and the geometric measurement module is used for measuring crack data and forming a structured detection report. According to the method, polarization reflection suppression and flattening geometric modeling are fused, a double-domain crack detection network is constructed, accurate identification and quantitative measurement of sheath cracks are achieved, and the method has the advantages of being high in reflection resistance, stable in topology and traceable in result.

The invention provides an epoxy resin packaging bonding material with high bonding stability and a preparation method thereof. The packaging bonding material is prepared from the following raw material components: 8 to 18 percent of graphene oxide modified epoxy resin, 0.8 to 4.0 percent of a curing agent, 0 to 1 percent of a curing accelerator, 0.4 to 2.0 percent of a silane coupling agent, 2 to 7 percent of nano carbon black, 2 to 7 percent of carbon fiber, 40 to 60 percent of flaky silver powder, 4 to 8 percent of spherical silver powder, 4.4 to 13.6 percent of a surface treating agent, 4 to 6 percent of a reactive diluent, 0.5 to 1.5 percent of a toughening agent, 0.5 to 1.5 percent of a dispersing agent, 0.1 to 0.5 percent of a lubricating agent and the balance of a non-reactive diluent. Graphene oxide is utilized to modify epoxy resin, the dispersion stability of the filler is improved, modified carbon black is adopted as a short-range conductive additive, carbon fibers are adopted as a long-range conductive additive, the modified carbon black and the carbon fibers synergistically improve the conductivity, and the reinforcing effect is achieved. The packaging bonding material disclosed by the invention has the characteristics of low volume resistivity, high tensile strength and bending strength, high bonding stability and the like, and has wide application prospects in the fields of automotive electronics, wind power photovoltaics, LEDs (Light Emitting Diode), LCDs (Liquid Crystal Display) and the like.

The invention belongs to the field of aluminum alloy smelting, and particularly relates to high-temperature-resistant aluminum alloy powder for additive manufacturing and a preparation method of the high-temperature-resistant aluminum alloy powder. The alloy comprises: 5.0 to 15.0 wt% of lanthanum (La), not more than 1.0 wt% of scandium (Sc), and not more than 1.0 wt% of zirconium (Zr); optionally, the aluminum alloy further comprises less than or equal to 5 wt% of magnesium (Mg), less than or equal to 1 wt% of manganese (Mn) and the balance of aluminum (Al). Bulk materials formed through selective laser melting additive manufacturing of the high-temperature-resistant aluminum alloy powder are free of cracks, the eutectic phase structure is of a submicron-scale cellular network structure, the room-temperature tensile strength obtained after simple heat treatment is larger than 450 MPa, and the ductility is larger than 7%. And under 300 DEG C heat-resistant tensile loading, the tensile strength is 250 MPa. The preparation method of the high-temperature-resistant aluminum alloy powder is simple in step and mature in technology, and has wide application prospects in the fields of aerospace, rail transit, automobiles, electronics and the like.

The invention belongs to the field of automobile electronic control, and provides an automobile part full-angle hovering control method and system and an automobile. The control method comprises the steps that the opening position of an automobile part is obtained, and the automobile part is an automobile door or an engine hood; determining a target motor torque of a support rod internal motor of a support rod group of the automobile part according to the opening position of the automobile part; wherein the supporting rod group comprises more than one supporting rod, and no damper is arranged in the supporting rod; calculating a target torque current of the motor in the stay bar based on the target motor torque; and according to the target torque current, a current loop closed-loop control mode is adopted to control the output torque of a motor in the supporting rod, so that hovering of the automobile part at the opening position of the automobile part is achieved. The invention further discloses an automobile part full-angle hovering control device, an automobile part control system and an automobile. According to the invention, rapid and accurate torque control of the motor in the stay bar is realized, and all-angle hovering of components under electronic control is realized.

The invention discloses a method and a device for testing a diagnosis fault code of a controller area network, and relates to the technical field of automobile electronic diagnosis, and the method for testing the diagnosis fault code of the controller area network comprises the steps: obtaining a database file and test configuration information of the controller area network; generating message records of all verification messages according to the test configuration information and the controller local area network database file; sorting the message records according to time, and generating a message record file according to a preset file format; playing back the message recording file through a controller local area network tool, and sending a diagnosis request message to the tested controller through the controller local area network tool while playing back the data to obtain a diagnosis fault code; and comparing the diagnosis fault code with a preset expected diagnosis fault code to obtain a test result. According to the method, the automation degree and the real-time performance of the test are improved, the dependence on physical hardware and environmental resources is reduced, and the test cost and the technical threshold are reduced.

The invention belongs to the technical field of automobile electronic safety, and particularly relates to an automobile keyless entry and start integrated system based on Bluetooth recognition, which comprises an awakening module, a connection management module, an entry authorization module, a start authorization module and a safety audit module, and is used for awakening an application scene switched to an active authentication mode based on a sleep mode. The problem of continuous high-power-consumption operation of Bluetooth is avoided, meanwhile, quick response is ensured when a user approaches a vehicle, and progressive protection for a Bluetooth recognition scene is formed through multiple security links of physical proximity verification and bidirectional encryption authentication. A vehicle entering authorization instruction is sequentially generated and sent to a vehicle body domain controller, and a vehicle starting authorization instruction is sequentially generated and sent to a vehicle power supply management unit, so that the convenience of Bluetooth keyless entry is reserved, the balance between non-inductive operation and absolute safety is realized, and closed-loop optimization is executed in combination with complete authentication failure auditing, so that the system has a self-iteration capability.

The invention discloses a software simulation method, device, equipment and system for a vehicle-mounted air conditioner controller, and relates to the technical field of automobile electronic system testing, and the software simulation method for the vehicle-mounted air conditioner controller comprises the steps that first operation information input based on a testing interface is obtained, the test interface is an operation interface generated by simulating functions of the vehicle-mounted air conditioner controller; generating corresponding first CAN signal simulation data according to the first operation information; analyzing the first CAN signal simulation data to generate corresponding first CAN communication message data; and sending the first CAN communication message data to an air conditioner application program, so that the air conditioner application program displays corresponding operation information according to the received first CAN communication message data. According to the application, the function of the vehicle-mounted air conditioner controller is simulated, so that the air conditioner application program can be tested without depending on actual hardware.

The invention provides a cooperative control method and device for low-voltage power consumption of a whole vehicle and electronic equipment, and relates to the technical field of automotive electronics, and the method comprises the steps: obtaining multi-modal original data (including vehicle state information, environment information and user behavior information), and carrying out the preprocessing; performing feature extraction and fusion processing on the preprocessed multi-modal original data to generate a high-level semantic event used for representing the vehicle leaving intention of the user or the parking scene; matching a global power consumption management strategy of a high-level semantic event through a hierarchical finite-state machine model; and according to the global power consumption management strategy, executing hierarchical power supply control on the low-voltage electricity load of the whole vehicle, and in the hierarchical power supply control process, dynamically adjusting control parameters in the global power consumption management strategy based on a comparison result of the actual power consumption monitoring data and a preset baseline model. Depth power shortage of the storage battery caused by redundant power consumption is effectively avoided, the risks that the vehicle cannot be started and equipment is abnormal are reduced, and the reliability of the whole vehicle and the user experience are improved.

The invention relates to the field of automobile electronic control systems, and provides a method for controlling the use of an automobile clutch through a computer, which comprises the following steps of: 1, acquiring running data of an automobile in real time by using a sensor arranged on the automobile, and transmitting the acquired data to a central control unit for data analysis; determining the current state of the vehicle, the driving condition and the stage of the vehicle; 2, analyzing an operation mode of a driver and a vehicle state through an algorithm calculation module, recognizing a driving intention, and calculating stage change data according to the operation data of the vehicle; by integrating a gyroscope sensor and an intelligent gear shifting decision algorithm, the uphill or downhill state of the vehicle can be accurately recognized, and an optimal gear shifting decision is made. The driving performance of the vehicle under complex road conditions is improved, an engine and a battery are effectively protected, the service life of vehicle parts is prolonged, and accurate control over clutch operation is achieved through real-time monitoring and data analysis.

The invention discloses a test method and device of a controller local area network and a storage medium, and relates to the technical field of automotive electronics, the test method of the controller local area network comprises the following steps: analyzing a database calibration file to obtain a message identifier array and a diagnosis message identifier array; performing network initial detection on the controller local area network to obtain error frame number frequency; and testing the controller local area network according to the error frame number frequency, the message identifier array and the diagnosis message identifier array to obtain a target test report, and completing the test. According to the method and the device, the test accuracy is improved, and a reliable basis is provided for network optimization and fault diagnosis through a systematized test result, so that the test efficiency of the controller local area network is improved, and the test reliability of the controller local area network is enhanced.

The invention relates to the field of automobile electronic testing technology and equipment, and discloses a vehicle-mounted camera imaging quality testing method and device suitable for a rain and fog scene, and the method comprises the steps: installing a to-be-tested camera module in a rain and fog environment cabin, setting the spectrum and illumination of a top natural illumination simulation system, and simulating the illumination at different time periods; selecting a test target plate in the darkroom; starting an automatic centering module to align the optical axis with the standard plate reference; rain and fog parameters are set through the environment control host, the rain and fog supply system is started to simulate different levels of rain and fog environments, and the raindrop particle size, concentration, dripping speed, fog visibility and fogdrop particle size are dynamically regulated and controlled; shooting a target plate graph card, extracting characteristic parameters by an image analysis module, performing quantitative analysis, and generating an evaluation report, so as to solve the technical problem of singleness of rain and fog scene environment simulation in the prior art.

The invention relates to the technical field of automobile electronics, in particular to a dynamic scene reproduction intelligent cabin system which comprises an intelligent cabin system body, and the intelligent cabin system body comprises a vehicle-mounted information entertainment system, an instrument display system, a head-up display system, a streaming media rearview mirror, a voice interaction system and a visual perception system. The output end of the vehicle-mounted information entertainment system is in telecommunication connection with the input end of the vehicle body bus system, and the output end of the instrument display system is in signal connection with the input end of the controller. According to the dynamic scene reproduction intelligent cabin system, by arranging the vehicle-mounted information entertainment system, synchronous accurate positioning, real-time road condition and 3D route guidance three-dimensional navigation are achieved, and monitoring anti-theft calling service, road rescue, remote diagnosis, auxiliary driving and seat and air conditioner control are provided through vehicle service; and intelligent refueling, in-vehicle payment, shopping consumption, movie ticket purchase, meal ordering and air ticket services are provided through life services, so that the intelligence of the cabin is realized, and the practicability of the intelligent cabin is improved.

The invention discloses a hardware-in-the-loop test method and device and electronic equipment, relates to the technical field of automotive electronics, and adopts a simulated annealing algorithm in an optimization stage, adjusts parameters according to characteristics of an electronic stability control system, optimizes data distribution, and improves test data quality and fault detection capability. In the verification stage, the generated test data is subjected to actual operation test, the data problem is fed back by comparing actual output with an expected result, and the optimized test data which does not pass verification is sent to the target hardware-in-loop test model for optimization adjustment, so that a closed-loop optimization verification process is formed. The iterative closed-loop process comprehensively covers all possible working conditions and fault modes, key test points are prevented from being omitted, the reliability of the electronic stability control system is enhanced, the accuracy, effectiveness, comprehensiveness and sufficiency of hardware-in-the-loop test of the electronic stability control system are ensured, and the reliability of the electronic stability control system is improved. And the limitation of hardware-in-the-loop test of the electronic stability control system is reduced.

The invention belongs to the technical field of automobile electronic manufacturing / chip burning, relates to an automobile PMIC chip burner, a burner system and a burning method, and aims to solve the problems of high system complexity and cost, low burning efficiency, insufficient reliability, insufficient safety, low production line automation degree and the like in the existing chip burning technology. The whole burning process is directly coordinated / controlled through the main control unit, an intermediate conversion link is eliminated, and the system complexity and the equipment cost are reduced; instruction conversion is carried out through the interface conversion module so as to be compatible with various types of chips; the power supply management module adopts dual-power input, the target connection interface ensures reliable physical electrical connection with the PMIC chip, the state indication module feeds back the burning state and error information in real time, and the man-machine interaction experience is improved. The device universality and the automation degree of a production line are remarkably improved, cost is low, compatibility is high, burning efficiency is high, the device is suitable for a burning system deployed on site, and the harsh requirement for zero defect of the vehicle gauge level is met.

The invention provides a nickel-zinc ferrite material as well as a preparation method and application thereof. The nickel-zinc ferrite material comprises main components and auxiliary components, the main components comprise 65.8 to 67.8 wt% of Fe2O3, 6.8 to 7.5 wt% of NiO, 16.5 to 17 wt% of ZnO and 6.2 to 8.5 wt% of CuO, and the auxiliary components comprise Bi2O3, MgO and nano SiO2, and the main components comprise the following components in percentage by mass: 65.8 to 67.8 wt% of Fe2O3, 6.8 to 7.5 wt% of NiO, 16.5 to 17 wt% of ZnO and 6.2 to 8.5 wt% of CuO. The nickel-zinc ferrite material has the excellent performance of high frequency, low power consumption and high Tc, the problem of high loss of the nickel-zinc ferrite material under the high-frequency condition is solved, the output stability applicability of the inductor at the high frequency is improved, and the nickel-zinc ferrite material can be applied to the fields of avionics, automotive electronics and communication electronics.

The invention relates to a manganese zinc ferrite material and a preparation method thereof, the manganese zinc ferrite material comprises main components and auxiliary components, the main components comprise Fe2O3, ZnO and MnO, and the auxiliary components comprise CoO, CaO, Bi2O3 and MoO; and in the main components, the content of Fe2O3 is 52.0 to 53.0 mol percent, the content of ZnO is 18.0 to 19.0 mol percent, and the content of MnO is 28.0 to 30.5 mol percent in terms of mole percent. According to the manganese-zinc ferrite material, the initial permeability mu i is greater than or equal to 12000 in a wide temperature range of 0-145 DEG C, and the manganese-zinc ferrite material has a relatively low temperature coefficient in the temperature range; the magnetic conductivity does not drop under the high frequency of 300kHz, and mu i is greater than or equal to 9000; the Curie temperature Tc is greater than 145 DEG C, so that the stability of the manganese-zinc ferrite material applied to the field of automotive electronics or a conventional anti-EMI common-mode filter is greatly improved.