26 results about "Automotive control systems" patented technology

This utility model relates to the field of automotive vacuum pump technology and discloses an automotive vacuum pump with monitoring function. It includes an electronic vacuum pump, an inlet pipe disposed on one side wall of the middle portion of the electronic vacuum pump, a pressure sensor disposed on the side wall of the inlet pipe, a first air flow sensor disposed at the end of the inlet pipe away from the electronic vacuum pump, and an outlet pipe disposed in the middle of the side wall of the electronic vacuum pump opposite the inlet pipe, with a second air flow sensor disposed at the end of the outlet pipe away from the electronic vacuum pump. By placing a pressure sensor and a first air flow sensor on the inlet pipe of the electronic vacuum pump, and a second air flow sensor on its outlet pipe, the automotive control system can monitor the operating status, airtightness, and other parameters of the electronic vacuum pump to determine whether the electronic vacuum pump requires maintenance.

The invention discloses a forcibly-opened electric door lock with two-stage transmission. The forcibly-opened electric door lock comprises a shell; the electric secondary transmission assembly is arranged on the shell and used for sending unlocking and locking signals to an automobile control system; the pawl and ratchet wheel assembly is arranged on the shell, when the pawl and ratchet wheel assembly is separated, the door lock is in an unlocking state, and when the pawl and ratchet wheel assembly is meshed, the door lock is in a locking state; the forcible opening assembly is arranged on the shell, the part of the forcible opening assembly is connected with the electric secondary transmission assembly, and when the electric secondary transmission assembly sends an unlocking signal to an automobile control system, the forcible opening assembly is pulled, the pawl and ratchet wheel assembly is linked to act, and a door lock is opened; the outward-opening linkage assembly is arranged on the shell, is arranged on one side of the electric secondary transmission assembly and is used for being in linkage with the pawl and ratchet wheel assembly to act so as to open the door lock; therefore, the technical problems of function failure and potential safety hazards caused by relatively complex structure and unsmooth transmission are solved.

The invention discloses an intelligent network control automobile control system for preventing collision of road safety vulnerable groups, relates to the technical field, and is used for solving the problems that the emergency braking response is delayed or misjudged in actual operation and the road safety guarantee capability is reduced. A vibration feature vector is generated in combination with vehicle operation state parameters, and weighted fusion analysis is performed by adopting a living body displacement model based on a support vector machine and combining vibration spectrum features and vehicle dynamic parameters. According to matching of the vibration feature vector and a preset model, potential organism displacement behaviors are judged, the working state of a vehicle braking system is controlled, and follow-up operation is optimized in combination with the vehicle running state. According to the system, the recognition capability and classification accuracy of weak vibration signals are enhanced, the misjudgment rate and the missed judgment rate are reduced, and the timeliness and accuracy of collision early warning are improved.

According to the ionic wind cleaning system of the pilotless automobile perception sensor, an exhaust connector of an air pump is communicated with an air inlet connector of an air storage tank, a water inlet connector of an electromagnetic drain valve is communicated with a drain connector of the air storage tank, a liquid level sensor and a pressure sensor are installed on the air storage tank, and an air outlet connector of the air storage tank is communicated with an air inlet connector of an electromagnetic exhaust valve. An ion generator is arranged in the electromagnetic exhaust valve, ions generated by the ion generator and compressed air form ion wind together, and the air outlet connector is communicated with the nozzle; when the pressure sensor senses that the air pressure in the air storage tank reaches a set standard value, the pressure sensor feeds back a signal to the automobile control system, and the automobile control system stops the air pump immediately; when an automobile control system receives a feedback signal indicating that one or more sensing sensors are polluted, the corresponding electromagnetic exhaust valves are opened immediately, ion generators in the electromagnetic exhaust valves are started synchronously to generate ions, and ion wind cleans the sensing sensors through nozzles.

The application discloses a damper mechanism for an automobile air conditioner box, which comprises a first partition plate arranged in the air conditioner box, a second partition plate arranged in the air conditioner box and spaced below the first partition plate, a baffle slidably arranged between the first partition plate and the second partition plate, two first driving devices electrically connected with an automobile control system for driving the baffle to move, a dehumidifying device arranged in the air conditioner box, and a conduction device arranged in the air conditioner box for connecting a circuit of the dehumidifying device; when there is airflow in the air conditioner box, the dehumidifying device does not work; and when there is no airflow in the air conditioner box, the dehumidifying device works. In the application, the baffle is horizontally moved in the air conditioner box by a first electromagnet, is not prone to be jammed, and has a simple structure; meanwhile, when a blower in the air conditioner box does not work, air in the air conditioner box is made to flow, so that the air conditioner box is kept dry and bacteria breeding is reduced.

The invention discloses an automobile wire harness performance parameter comprehensive test method and system, and relates to the technical field of automobile wire harness tests.The method comprises the steps that multiple types of sensor sets are arranged on an automobile wire harness trunk, characteristic data of an automobile wire harness are monitored in real time, and multi-dimensional preprocessing is carried out to obtain an electromagnetic disturbance data set and a thermal insulation recovery data set; a magnetic excitation coupling driving index cjx is calculated through the electromagnetic disturbance data set, and wire harness structure response evaluation is carried out on the magnetic excitation coupling driving index cjx, the first critical response difference threshold A and the second critical response difference threshold B, so that dielectric structure degradation behaviors caused by magnetic excitation stress disturbance are evaluated; when the magnetic excitation stress disturbance exists, calculating a response balance disturbance index xph; fusing the two to construct a comprehensive evolution stress index xyh, and performing wire harness self-adjustment evaluation with a recovery trend residual threshold C; finally, an automobile control system executes corresponding early warning instructions or intervention measures according to different evaluation results, and intelligent monitoring and safety guarantee of the state of the wire harness are achieved.

The invention relates to the technical field of vehicle-mounted control, and discloses an automobile control method and system.The automobile control system comprises a plurality of main control modules and at least one node controller, the main control modules are divided according to different physical areas of a whole automobile, and one or more node controllers are arranged in each physical area; the main control module is in communication connection with the node controllers in the corresponding physical areas through a network, the main control module comprises a plurality of MCU cores, the plurality of MCU cores correspond to different whole vehicle processing requirements, and at least one node controller is divided according to whole vehicle functions. Each node controller is connected with the executor corresponding to the whole vehicle function through a hard wire, the node controllers are arranged near the executor corresponding to the whole vehicle function, and each node controller is integrated with an executor driving unit and a signal acquisition unit. The beneficial effect is that the wire harness cost of the whole vehicle is reduced.

The application discloses a vehicle slope estimation method and system based on machine learning and dynamics, aiming at solving the problems of insufficient estimation accuracy, poor robustness and high sensor cost in the prior art. Necessary data information is acquired from a vehicle-mounted network bus and sensors, the data is preprocessed and divided into a training set and a verification set, the training set is used for training a feedforward neural network, an extended state observer based on vehicle longitudinal dynamics is constructed, and a variable weighting coefficient is used for solving. The application uses machine learning and vehicle dynamics to estimate the slope, has the advantages of high precision and strong robustness, and provides a reliable slope signal input for an automobile control system.

The invention relates to the technical field of electrical connection, and discloses a wire harness connector and an automobile control system and an application process thereof.The wire harness connector comprises a first connector, a second connector is arranged on the outer wall of the first connector, a clamping groove is formed in the first connector, and a first clamping block is fixedly connected to the upper surface of the second connector; the outer wall of the first clamping block is arranged in the clamping groove, the outer wall of the second connector is fixedly connected with a limiting assembly, the outer wall of the first connector is fixedly connected with a fixing assembly, the outer wall of the limiting assembly is arranged on the inner wall of the fixing assembly, and anti-skid assemblies are arranged in the first connector and the second connector. The first connector and the second connector are preliminarily connected through the first clamping block and the clamping groove and then are further fixed through the limiting assembly and the fixing assembly, so that the connectors can be effectively prevented from being separated under the conditions of vibration, external force pulling and the like, and the stability of the wire harness connector in the using process is guaranteed.

The utility model discloses a hand-leaving detection device for a steering wheel, and the device comprises a laser sensing module which is disposed in a cover cap of the steering wheel, and the laser sensing module generates a plurality of light beams which are disposed at intervals in the circumferential direction and irradiate the inner side surface of a rim of the steering wheel; on one hand, the control processor is connected with the laser sensing module and used for collecting sensing signals of the laser sensing module and processing the collected sensing signals to generate hand-leaving detection signals, and on the other hand, the control processor is connected with an automobile control system and used for sending the generated hand-leaving detection signals to the automobile control system. Whether a driver holds the steering wheel or not can be accurately detected through an optical means, and the detection precision is improved. Compared with a traditional sensor, the sensor provided by the utility model is lower in cost and easy to popularize. The system can be easily integrated with an existing automobile control system and is convenient to implement.

The present application relates to the technical field of automobile control, and particularly relates to an automobile control system and method, which first collects millimeter wave radar data, uses a radio frequency enhancement component to improve lateral spatial resolution, and generates a two-dimensional obstacle heat map; secondly, according to the vehicle-obstacle distance, an emergency level is divided, a time domain analysis window is dynamically intercepted, and a mapping library is established in combination with the obstacle material, historical failure records and speed peak value; subsequently, rain signal attenuation compensation is fused, and a collision risk index is output; further, according to the risk index and the speed peak value, a steering mechanism damping response function is reconstructed, and a collision avoidance path correction is performed; finally, steering motor vibration characteristics are extracted in real time to back-propagate torque distribution, and the damping function is closed-loop corrected. Through high-precision perception, dynamic risk assessment and full-closed-loop feedback control, the method effectively overcomes environmental interference, and realizes precise, smooth and high-robust intelligent obstacle avoidance in complex scenarios.

Disclosed are a methanol-gasoline mixing energizing device, a methanol-fueled automobile control system, and an automobile. The methanol-gasoline mixing energizing device is mounted in front of a fuel rail, includes a mixing cavity and a microwave heating device, and is used for pre-mixing methanol and gasoline, and the mixed methanol and gasoline fuel flows into the fuel rail and is injected out by a fuel injector.

The invention relates to the technical field of automobile fault detection, and discloses an alarm emergency maintenance system for detecting collapse of an automobile rear suspension. The acquisition module is used for acquiring the vertical distance from the lowest point of the tail of the automobile to the ground, the vertical distance from left and right wheel brows to the center of an axle, the height difference of the vertical distance from the left and right wheel brows to the center of the axle and the body pitch angle; the judgment module is used for preliminarily judging whether the rear suspension collapses or not; the alarm module is used for judging the collapse type, further judging the collapse level and giving a collapse alarm according to the collapse type and the collapse level; and the maintenance module is used for storing the recorded information to an automobile control system, sending the recorded information to a remote maintenance platform through the wireless communication module, and controlling the automobile to enter a speed limiting mode when a collapse alarm is given. Through cooperative work of multiple modules, powerful support is provided for safe and efficient operation and comfortable driving of the automobile.

The utility model discloses an in-vehicle reading lamp control system and an automobile, the control system comprises a reading lamp, a detection module and a control module, the detection module and the reading lamp are respectively connected with the control module; the reading lamp is provided with a plurality of lighting modules, the lighting modules are arranged in the reading lamp in the length direction of a vehicle at intervals, and lighting areas of different lighting modules are different. The detection module is used for detecting state information of the slidable seat or distance information between the face of a driver and a passenger and the corresponding reading lamp; the control module is used for controlling the on-off state of each lighting module of the reading lamp according to the state information, detected by the detection module, of the slidable seat or the distance information between the face of the driver and the corresponding reading lamp, so that the lighting area of the reading lamp is adjusted, and the face of the driver and the passenger is prevented from being directly irradiated by lamplight. Intelligent adjustment of the lighting area of the reading lamp in the vehicle can be achieved, lamplight is effectively prevented from directly irradiating the face of a driver and passengers, and the comfort of a user is improved.

The invention relates to the technical field of automobile control systems, and particularly discloses a full-intelligent automobile cabin control system which comprises a binocular camera, a grip strength monitoring steering wheel sleeve, a pedal pressure sensor and a monitoring system.The monitoring system comprises a driver virtual model system, a sight distance derivation system and a model preset value setting system. The driver virtual model system, the sight distance derivation system and the model preset value setting system are subsystems of the monitoring system. According to the invention, whether the driver enters a separate driving state and a fatigue driving state or not is judged by comparing the reaction time pre-value with the reaction time of the driver during actual driving and combining the human eye sight line of the binocular camera, the pressure on the steering wheel sleeve monitored by the grip strength and the force searched by the pedal pressure sensor; the driving state of the driver is determined, and the automobile is driven autonomously by combining an automobile host, so that the safety of the automobile is ensured.

The invention provides an integrated power module and an automobile control system. The integrated power module comprises a packaging shell, an inversion unit and a PTC control unit, wherein the inversion unit and the PTC control unit are arranged on a substrate in the packaging shell; in the inversion unit, each upper bridge power tube is arranged on the first conductive structure of the substrate, and each lower bridge power tube is arranged on the corresponding conductive structure. A first end of each upper bridge power tube is led out to a direct current anode pin through a bottom electrode and a first conductive structure, a control end is led out to a corresponding driving pin, and a second end is led out to a corresponding phase power output pin and is electrically connected to the conductive structure where the corresponding lower bridge power tube is located through a bonding wire; the first end of each lower bridge power tube is electrically connected with the corresponding conductive structure through a bottom electrode, the control end is led out to the corresponding driving pin, and the second end is led out to the corresponding direct current cathode pin and the Kelvin pin. According to the invention, the module structure is simplified, the manufacturing cost and parasitic inductance are reduced, and the system efficiency and reliability are high.

The invention provides a distributed security verification method and equipment, the verification method is applied to an automobile control system comprising a master control end and at least one distributed response end, and the verification method comprises the following steps: the master control end generates a verification code and a timeout parameter, packaging the check code and the timeout time parameter into a check request message, and sending the check request message to the target distribution response end; within the timeout time parameter, receiving a verification response message returned by the target distribution response end; if the verification response message is not received, it is judged that verification of the target distribution response end fails; if the verification response message is successfully received, decrypting and verifying the verification response message based on the verification code, a secret key preset at the master control end and a pre-stored legal hash value of a target distribution response end; judging whether the application program of the target distribution response end is complete and real or not according to the verification result; wherein the master control end periodically and repeatedly executes verification on each distributed response end.

An electric vehicle control system (1, 2) comprises a power conversion device (51, 52) installed in an electric vehicle (10) and electrically connected in series with a circuit breaker (70) which is electrically connected to a power source (90), wherein the power conversion device is configured to convert power supplied by the power source into DC power or AC power and to record a fault in response to the opening of the circuit breaker or to the cessation of a power supply from a control power source of the electric vehicle; and a vehicle information management device (60) installed in the electric vehicle and communicatively connected to the power conversion device.In the event of the power conversion device being disconnected from the power source by opening the circuit breaker, the vehicle information management device sends an initial signal to the power conversion device before the circuit breaker is opened, or in the event of a power supply being stopped from the control power source of the electric vehicle, the vehicle information management device sends the initial signal to the power conversion device before a power supply from the control power source of the electric vehicle is stopped, and the power conversion device that has received the initial signal sent by the vehicle information management device holds a fault recording for a predetermined duration.

1. The name of this design product: integrated domain controller assembly. 2. Application of this design product: This design product is used for automobile control system controller. 3. The key design points of this design product lie in the combination of shape, structure and connector layout. 4. The picture or photo that best illustrates the key points of the design: main view.

The application relates to the technical field of automobile control systems, and discloses a layered control system for a distributed drive electric automobile, which comprises a parameter acquisition and state identification module, the sending end of the parameter acquisition and state identification module is connected with the receiving end of a control target module, a mode layered controller and a whole vehicle management module respectively, the sending end of the control target module is connected with the receiving end of the mode layered controller, and the mode layered controller is in bidirectional communication connection with the whole vehicle management module. In the process of driving or parking of the electric automobile, a plurality of information such as the whole vehicle quality, the driving slope, the longitudinal vehicle speed, the road adhesion coefficient and the eccentric angle coefficient is acquired in real time, then the mode layered controller performs multi-mode layered control on the electric automobile through the transmission, and the braking performance of the automobile is maximized under the premise of meeting the safety of the electric automobile.

The invention discloses a hybrid electric vehicle multi-parameter collaborative decision-making intelligent thermal management control method, device and equipment, and relates to the technical field of new energy vehicle control systems.The hybrid electric vehicle multi-parameter collaborative decision-making intelligent thermal management control method comprises the steps that standardized parameters and a control target are obtained, and the standardized parameters comprise exhaust parameters, battery state parameters and whole vehicle working condition parameters; identifying working condition types based on the standardized parameters; dynamically distributing priority weights for the control targets; generating a cross-module cooperative control instruction according to the working condition type, the priority weight and the standardized parameter; and the cross-module cooperative control instruction is sent to the corresponding sub-controllers, so that the sub-controllers execute target mode switching and corresponding parameter adjusting actions, the heat recovery mode and the purification regeneration opportunity are dynamically adjusted, and cooperative optimization of waste heat efficient utilization, emission compliance, battery safety protection and power smoothness is achieved.

Electric vehicle control system (1, 4, 5) comprising a drive control system (50, 52) and controlling the movement of an electric vehicle by means of the drive control system (50, 52), wherein the drive control system (50, 52) comprises a plurality of induction motors (2), exactly one inverter (1) for driving the plurality of induction motors (2), a current detector (5) for detecting a total current which is a sum of motor currents flowing to the induction motors (2), and a controller (4) for controlling the inverter (1) on the basis of a current command value calculated on the basis of a torque command value, a voltage command value calculated on the basis of the detected total current, and an estimated speed value calculated on the basis of the calculated voltage command value and the detected total current, wherein the control (4) has: a clutch disconnection detection unit (40) for calculating an estimated torque value based on the total current and voltage command value and for detecting a disconnection of a clutch provided between the induction motors (2) and a drive mechanism (53, 54, 55, 56, 57) of the electric vehicle, based on the calculated estimated torque value and the torque command value.

The present invention is configured to: generate first probe information by continuously generating information while a first other vehicle is traveling, the information associating a plurality of first physical quantities that are detected by a plurality of first on-vehicle sensors mounted on the first other vehicle while the first other vehicle is traveling on a road and first position information that indicates the position of the first other vehicle when the first physical quantities are detected; associate the first probe information with road information that is related to a road on which the first other vehicle has traveled among road information that is included in map information, by matching the first probe information with the map information; when a host vehicle is traveling on the road on which the first other vehicle has traveled, match second position information that indicates a current position of the host vehicle with the map information and extract, from the map information, first probe information that corresponds to road information about a predetermined distance along the travel route of the host vehicle from the current position of the host vehicle; and execute control of the host vehicle on the basis of the extracted first probe information.

A control system for an electric vehicle is provided that prevents a situation in which a vehicle activation operation is performed and an arc flash occurs at a battery connector during a battery exchange procedure. The control system Cu for the electric vehicle C according to the present disclosure comprises: the vehicle ECU 202; an ignition current source E1 that starts the power supply to the vehicle ECU 202 in response to a vehicle activation operation by a user; a battery exchange switch 101 that receives a exchange command operation for the battery 11 from the user; and a first relay 203 that is arranged in an electrical circuit L1 between the ignition current source E1 and the vehicle ECU 202, such that it is coupled to the on / off state of the battery exchange switch 101 and interrupts the electrical circuit L1 as long as the battery exchange switch 101 is in the ON state.

The invention belongs to the technical field of automobile control systems, and particularly relates to a vehicle-mounted intelligent antenna terminal control system. Comprising a multi-antenna array and adaptive beam forming module, an intelligent signal perception and environment identification module, a distributed antenna control module, a remote man-machine interaction and visualization control module, a multi-mode communication fusion and spectrum management module, an automatic satellite alignment and attitude compensation module and a system integration and power management module. According to the system, a plurality of high-gain antennas are deployed to form a phased-array antenna system, the signal transmitting / receiving direction is dynamically adjusted through a beam forming technology, a strongest signal path is covered or focused in multiple directions at the same time, the omnidirectional low-gain limitation of a single fin antenna is avoided, base station or satellite signals can be actively tracked, and the signal strength is improved.

The invention relates to the technical field of automobile wire harness production, in particular to a new energy automobile control system high-low voltage wire harness production and processing device which comprises a rack and further comprises a conveying mechanism arranged on the rack, a cutting mechanism arranged on one side of the conveying mechanism and used for cutting a cable, and the cutting mechanism is used for annularly cutting the cut cable. The annular cutting transfer mechanism is used for cutting the cable and transferring the cable from a cutting station to a stripping station during annular cutting, the stripping mechanism is used for stripping the cable after annular cutting, and when the stripping mechanism carries out stripping at the stripping station, the cutting mechanism carries out the next round of cutting operation at the same time. Through cooperative work of all the mechanisms, continuous automatic production of cable cutting, girdling, transferring and peeling is achieved, the cutting process and the peeling process are conducted in parallel, and the production efficiency is improved.