177 results about "Current driver" patented technology

A superconducting distributed bidirectional current driver system includes multiple bidirectional current drivers, a bidirectional current load being operatively coupled between two adjacent bidirectional current drivers. Each of the bidirectional current drivers includes first and second superconducting latch circuits. The first superconducting latch circuit in a first one of the bidirectional current drivers and the second superconducting latch circuit in a second one of the bidirectional current drivers coupled to the current load are selectively activated by first and second activation signals, respectively, to establish a first current path through the current load in a first direction. The second superconducting latch circuit in the second one of the bidirectional current drivers and the first superconducting latch circuit in the first one of the bidirectional current drivers are selectively activated to establish a second current path through the current load in a second direction opposite the first direction.

The invention discloses an intelligent vehicle-mounted application adjusting method and system based on a driving scene, and relates to the field of vehicle-mounted application, and the method comprises the steps: obtaining current real-time driving data, current external environment information and current position information, and matching a user behavior mode of a current vehicle in a preset behavior mode database according to the current real-time driving data, identifying a driving scene of a current vehicle according to the current external environment information and the current position information, and predicting an information type and a presentation mode required by a current driver according to the user behavior mode and the driving scene, and determining an information presentation mode and information presentation time in a preset application database according to the information type and the presentation mode, and presenting all the vehicle-mounted applications according to the information presentation mode and the information presentation time, and by implementing the method, the driving experience of a driver can be improved in a complex driving scene.

The invention relates to the technical field of vehicles, in particular to an intelligent cabin man-machine cooperative control method and device, a vehicle, a medium and a product. Performing fusion processing on the voice signal data, the visual signal data and the tactile signal data of the current driver by using a preset dynamic weight distribution model to obtain a multi-modal fusion control instruction; and under the condition that the multi-mode fusion control instruction meets a preset sight-voice dual-mode condition, synchronously issuing the multi-mode fusion control instruction to a plurality of target execution devices in the intelligent cabin so as to drive each target execution device to perform cooperative control. Therefore, by constructing a cooperative control mechanism of multi-mode sensing and dynamic weight distribution, the problems that the false wake-up rate is high, the voice and graphical interface cooperative efficiency is low and the interaction mode cannot adapt to a complex driving environment due to a single or separated interaction mode in the related technology are effectively solved.

Systems and methods for alerting a driver to a potential driving hazard are disclosed. Hazard parameters representing a driving hazard may be received. The driving hazard may have a corresponding Ground Truth Operation Sequence (GTOS) comprising an ordered sequence of GTOS Designated Meta Operations (DMOs). The corresponding GTOS may be retrieved and instantiated using the hazard parameters. Current driver operation parameters may then be received, and may then be mapped to a GTOS DMO of the ordered sequence of GTOS DMOs. Subsequent driver operation parameters may then be received, and may then be compared to a set of probable subsequent operations associated with the mapped GTOS DMO. It may then be determined that the subsequent driver operation is absent from the set of probable subsequent operations, and an output may be generated for alerting a driver to the driving hazard.

The invention discloses a pedal feeling control method, computing equipment, a vehicle and a storage medium. The method comprises the steps that character feature information of a current driver is acquired; matching a target pedal feeling strategy associated with the character feature information, wherein the target pedal feeling strategy is obtained after a preset model performs model training according to brake control data corresponding to the character feature information; and responding according to the target pedal feeling strategy. Thus, after the current driver is recognized, the pedal feeling strategy which is subjected to model training through the brake control data of the current driver and is output serves as the target pedal feeling strategy, and pedal feeling strategy configuration of the vehicle is completed; the current driver can more intuitively sense the response state of the vehicle braking system based on the braking control habit of the driver, and therefore the braking degree is accurately controlled. Therefore, the pedal feeling strategy configuration of the vehicle can be completed so as to accurately match the individual brake control habit of the driver, and the purpose of improving the driving experience is achieved.

The invention provides a driving authority management method and device based on biological feature verification and a medium, and belongs to the technical field of vehicles. The method comprises the steps of collecting facial features, voiceprint data and driving behavior data by detecting a starting operation of a current driver; the identity of the current driver is recognized by using a multi-modal biological recognition algorithm, and the accuracy and anti-counterfeiting capability of identity verification are improved by adopting a bimodal fusion scheme of face recognition and voiceprint recognition; when it is determined that identity recognition of the current driver succeeds, a driving account is determined to judge whether the driver has the use permission or not, a binding relation of driver identity-account-function permission is established, and accurate matching of the intelligent driving permission and the driver qualification is achieved; the open state of the intelligent driving function is dynamically controlled based on a permission verification result, if the permission exists, the intelligent driving function is automatically prepared, if the permission does not exist, the function is locked, a clear prompt is given, and the safety risk that the intelligent driving function is used before being learned is avoided from the source.

The invention relates to a method for adjusting a driver environment of a vehicle, wherein the driver environment comprises components, the components being a driver's seat, a steering wheel, an exterior mirror, and / or a rearview mirror of the vehicle, the method comprising: detecting a driver in the driver's seat by the vehicle; acquiring an actual state of the driver environment and a current driver position with one or more cameras and / or one or more distance sensors of the vehicle; determining input parameters of a mathematical model depending on the detected driver in the driver's seat, wherein the input parameters include the acquired actual state of the driver environment, the acquired current driver position, and parameters for a best possible seating position of the driver as optimization variables of the mathematical model;Execution of the mathematical model with the determined input parameters by the vehicle to determine output parameters of the mathematical model, wherein the output parameters of the mathematical model include setting parameters for components of the driver environment with actuators and / or setting suggestions for components of the driver environment without actuators; If the output parameters of the mathematical model indicate that an improvement of the current state of the driver environment can be achieved: setting the actuators of the components of the driver environment depending on the setting parameters; and providing the setting suggestions to the driver of the vehicle for manual setting of the components of the driver environment without actuators.

The invention relates to the technical field of automobile safety, in particular to a driver attention monitoring method and device with an embedded driving style. The method comprises the following steps of: firstly, acquiring sight angle data of a driver at the current moment, vehicle driving state data, driver operation data at the previous moment and current actual driver operation data; and then, inputting the sight angle data of the driver at the current moment, the vehicle driving state data and the driver operation data at the previous moment into the trained recurrent neural network model together, so as to obtain the currently predicted driver operation data. And determining the driving style of the current driver based on the current predicted driver operation data and the actual operation data. If the driving style of the current driver is significantly different from the driving style in the historical record, it is indicated that the driver may be inattention. At the moment, corresponding prompt information needs to be generated to remind a driver to concentrate attention, and driving safety is ensured.

A light emitting diode (LED) driving system comprises at least one linear current driver configured to regulate current to a plurality of LEDs in a multi-spectral application independently of an electrical load affected by voltage fluctuations across the LEDs; and a programmable input configured to receive a current setpoint signal from a digital-to-analog converter (DAC), which defines a target current through the LEDs. The LED driving system further comprises a programmable voltage regulator configured to output a supply voltage to the least one linear current driver that includes a saturation voltage sufficient for the at least one linear current driver to regulate the current delivered to the plurality of LEDs.

To provide a drive circuit, a display device and the like which improve power consumption.SOLUTION: The drive circuit is a drive circuit for a display device and includes a power supply unit that supplies power to a light emitting unit including a plurality of light emitting units, a current driver that supplies a pulsed drive current whose duty ratio is adjustable to the plurality of light emitting units, and a control unit that controls a current value and a duty ratio of the drive current supplied by the current driver based on an input gradation value corresponding to the plurality of light emitting units. The control unit sets the current value such that the luminance with respect to the maximum input gradation value of the light-emitting unit becomes relatively small when the lighting rate of the plurality of light-emitting units is larger than a first threshold value, and the luminance with respect to the maximum input gradation value becomes relatively large when the lighting rate is equal to or smaller than the first threshold value, and supplies the set current value in common to the plurality of light-emitting units of the light-emitting unit corresponding to the plurality of areas.SELECTED DRAWING: Figure 1

The utility model discloses a lamp capable of condensing light, which relates to the technical field of lamps and comprises a circular ring and a conical spinning cover, and the bottom surface of the circular ring is fixedly connected with a circular plate. According to the lamp capable of condensing light, the side edge of the lamp is illuminated through the LED light source, meanwhile, the lamp bead illuminates in the center of the lamp, the anti-dazzle cup utilizes the light condensing principle, the light condensing effect is improved, the key lighting effect is achieved, the problem that the lower portion of the lamp is black is effectively solved, the anti-dazzle cup is of an arc-shaped structure, and the inner side of the conical rotary pressing cover is of an inwards-concave structure; the LED light source and the lamp beads are electrically connected with the intelligent double-color-temperature constant-voltage driving assembly, the problem of accurate current shunting of the main light source and the auxiliary light source with different voltages of the same constant-current driver is solved, the intelligent double-color-temperature constant-voltage driving assembly is installed on the circular plate, and the LED light source and the lamp beads are electrically connected. And heat dissipation of the intelligent double-color-temperature constant-voltage driving assembly is facilitated, and the practicability of the lamp is improved.

The invention discloses an overtaking prompt control method, electronic equipment, a readable storage medium and a vehicle, and relates to the technical field of advanced driving assistance, in particular to a method for speculating whether the current driving working condition meets the overtaking willingness of a driver or not through a first algorithm in combination with multi-dimensional traffic factors, and after it is judged that the overtaking willingness is met, the overtaking prompt control method is executed. A plurality of candidate overtaking schemes are obtained firstly, then the driving experience relative to the current driver and the success rate of each candidate overtaking path are predicted through a second algorithm in combination with the current traffic variable, the vehicle driving working condition and the like, and the optimal scheme is locked from the candidate overtaking schemes; and finally, on the basis of the actual overtaking action of the driver, the algorithm tool is updated so that the algorithm tool can better fit the habit of the driver. Through man-machine cooperation, personalized and intelligent overtaking decision prompts are provided, and optimized overtaking suggestions are provided according to behavior modes and environmental conditions of different drivers, so that the operation safety and the driving efficiency of the drivers are improved.

The invention discloses an emergency auxiliary takeover system and method for a driverless automobile, relates to the technical field of driverless driving, and aims to solve the problem that collision risks are easily caused due to the fact that the system does not carry out takeover control on the automobile in the driverless driving process. Comprising the following steps: S1, acquiring information of a current unmanned target vehicle and obstacle information on a driving path; s2, detecting whether the current driving path collides with an obstacle on the path or not; s3, acquiring driver information of the current vehicle; s4, inputting the obtained driver information into a pre-trained takeover state prediction model to obtain the takeover state of the driver; s5, acquiring the danger level of the current vehicle, and predicting whether the driver can take over the current vehicle in time according to the take-over state of the current driver and the danger level; and S6, when it is judged that the driver cannot take over the vehicle in time, a corresponding vehicle emergency control module is designated to control the vehicle according to the danger level and the take-over state.

An example apparatus includes: current driver circuitry configured to supply power to a stepper motor; and controller circuitry coupled to the current driver circuitry, the controller circuitry configured to: determine a first duty cycle of power transferred to the stepper motor by the current driver circuitry during a first operation of the stepper motor, the first operation to supply power using currents of a target magnitude; determine an previous duty cycle of power transferred to the stepper motor by the current driver circuitry during a second operation of the stepper motor, the second operation of the stepper motor to supply power using currents of the target magnitude; and determine changes in a mechanical load applied to the stepper motor responsive to a comparison of the first duty cycle to the previous duty cycle.

The invention provides a driver version processing method, device and system, and the method comprises the steps: responding to a driver installation / upgrade configuration operation and a one-key installation / upgrade operation of a user, for each configured target device, obtaining a GPU model and an operating system version of the target device, and judging whether the current driver version of a server is obtained or not; if not, searching the most matched first driver version from a local driver version library according to the GPU model and the operating system version, and obtaining the corresponding file to perform driver installation; if yes, according to the GPU model, the operating system version and the current drive version, whether a higher second drive version exists or not is searched from a local drive version library; and if yes, obtaining the second drive file to perform drive upgrading. According to the method, one-key operation of a user can be responded, installation, downloading and upgrading of the driver version can be automatically completed, and GPU driver deployment and upgrading requirements under a large-scale server scene are met.

A method, system, medium and product for automatic control of vehicle-mounted lamps, relating to the field of machine learning. The method comprises: obtaining a user control instruction table of the current main driving user; when the control instruction of the current main driving user is monitored, determining the instruction content corresponding to the control instruction; in the case that the target vehicle-mounted lamp corresponding to the instruction content fails, determining the target fault level of the target vehicle-mounted lamp; according to the target fault level, determining the brightness range of the target vehicle-mounted lamp; obtaining one or more simulation control schemes and their corresponding lighting effect similarities through a vehicle simulation model; in the case that the lighting effect similarity of the simulation control scheme is higher than a preset similarity threshold, selecting the simulation control scheme with the highest lighting effect similarity as a replacement control scheme; and sending a replacement control instruction to the vehicle-mounted lamp. The implementation of the technical solution provided by the present application reduces the impact of vehicle-mounted lamp failures on lighting effects.

The invention provides a driver upgrading method and device, equipment, a storage medium and a program product, electronic equipment comprises a plurality of graphics processors, each graphics processor corresponds to a current driver, and the method comprises the steps that driver upgrading instructions of the graphics processors are acquired, and the driver upgrading instructions comprise target version numbers; according to the driver upgrading instruction, whether a target graphics processor exists in the multiple graphics processors or not is determined, and the target version number is higher than the current version number of a current driver corresponding to the target graphics processor; and if the target graphics processor exists, determining a target drive corresponding to the target graphics processor when the working state of the target graphics processor is not occupied by the virtual machine, and performing drive upgrading processing on the target graphics processor according to the target drive. According to the upgrading method provided by the invention, upgrading can be initiated without waiting for all graphics processors in the electronic equipment to be in a state of being not occupied by the virtual machine, so that the upgrading period of the Host driver is shortened.

The invention relates to a label automatic management method and system in an online car-hailing scene, and the method comprises the steps: monitoring business events in an online car-hailing platform in real time, and the business events comprise a driver behavior event, a vehicle state event, a platform event and an environment event; when the driver behavior event is monitored, inputting a current driver behavior event, a vehicle state event of a vehicle bound with a driver, a platform event of a current time period and an environment event of a current time period of an area where the driver is located into an event analysis model; judging whether the current driver behavior event causes the label change of the driver or not; if the tag change of the driver is caused, querying all tags related to the current driver behavior event; screening a label conforming to the area where the driver is located from all labels related to the current driver behavior event as a target label; adding and / or deleting a target label for the driver; and pushing a label management notice, and a business scene, a business processing mode and a business processing link corresponding to the target label to a driver.

The invention provides a vehicle operation display method, system and device and a medium, and relates to the technical field of vehicle guidance, and the method comprises the steps: determining a vehicle owner type of a user at a current driving position; under the condition that the vehicle owner type is a non-default vehicle owner, acquiring a first point location sequence for guiding a basic operation behavior of the non-default vehicle owner; according to a point position sequence in the first point position sequence, controlling an omnibearing emitter to sequentially rotate to each point position of the first point position sequence, and emitting a visible light beam to an operation part corresponding to the current point position; and outputting guidance information corresponding to the current point location to guide the basic operation behavior of the non-default vehicle owner every time the vehicle owner rotates to one point location. The method aims at efficiently assisting a driver to be familiar with vehicle operation so as to improve the vehicle using experience of the driver.

A means of transport, a device, and a method for informing a user of a driver assistance system of a means of transport are proposed. The method comprises the following steps: determining the current speed, the current driver input, and a variety of environmental conditions of the means of transport; using the current speed, the current driver input, and the environmental conditions to determine a current target distance that the driver assistance system attempts to maintain; determining a minimum distance and a maximum distance that would result under different environmental conditions at the current speed and the current driver input; and issuing an initial indication (3) to the user regarding the minimum distance, the maximum distance, and the target distance.

The invention discloses a driving style factor calculation method and device and a vehicle, and the method comprises the steps: obtaining the real-time cumulative number of times of intense driving behaviors in different vehicle speed intervals after the vehicle is started; obtaining the cumulative time of the vehicle speed in each vehicle speed interval; according to the cumulative time of the vehicle speed in each vehicle speed interval and the real-time cumulative number of times of intense driving behaviors in each vehicle speed interval, the driving style factor is obtained, and the driving style factor of the current driver can be calculated and updated in real time in the vehicle driving process, so that the operation control of an engine can be corrected in real time, and the driving experience is improved. Self-adaptive control over the engine is achieved, so that the operation mode of the engine conforms to the driving style of a current driver, the driving experience of the driver can be effectively improved, the needed data size is small, the implementation mode is simple, the data processing process can be simplified, and occupied storage space is reduced; therefore, the response speed of the engine is increased, the cost of the vehicle is reduced, and wide application is facilitated.

The embodiment of the invention provides a vehicle control method and device, electronic equipment and a computer readable storage medium. The vehicle control method comprises the steps that road condition information of a to-be-driven road section of a vehicle and current driving information of the vehicle are obtained; the sight line direction of a current driver is monitored to obtain a sight line attention area of the driver, and the sight line attention area comprises an area which can be covered by the sight line direction of the driver in a cab of the vehicle; and according to the road condition information, the driving information and the sight line attention area, determining alarm information of the vehicle, and controlling the vehicle to execute an alarm operation corresponding to the alarm information. The problem that in the existing background, driver attention is distracted, and consequently the vehicle control capacity is reduced is solved.

A photochemical reactor can include a plurality of flow cells whose illuminated internal surfaces coincide with a Φ = Φ * iso-flux boundary. Identical cells can be connected by short, small-diameter interconnects to form a cell chain of pitch p, and multiple chains can be arranged in parallel to meet throughput while maintaining residence-time and pressure-drop limits. Each cell can be illuminated by opposed, orthogonally oriented LEDs in 2-LED, 4-LED, or 6-LED topologies. In some embodiments, 6-LED illumination can be provided by a wireless cube LED apparatus having six emitters on orthogonal faces, a centrally located receiver coil, rectifier, and current driver. The cube can insert into keyed pockets that set optical standoff δ and orientation. A controller can sweep a transmitter frequency to select an operating frequency f_T* that maximizes received power for the installed receiver-coil geometry.

The invention discloses a vehicle control method and device, equipment, a storage medium and a program product. The method comprises the steps of determining a target vehicle of a current vehicle to-be-simulated driving experience; obtaining the current driving operation of the current driver received by the current vehicle; a target response parameter corresponding to the current driving operation is obtained through a driving model corresponding to the target vehicle, the driving model is obtained through imitation learning according to the sample driving operation and a sample response parameter, and the sample response parameter is obtained through conversion of an original response parameter of the target vehicle responding to the sample driving operation; the driving feedback of the current vehicle responding to the sample driving operation according to the sample response parameter is similar to the driving feedback of the target vehicle responding to the sample driving operation according to the original response parameter; and controlling the current vehicle to respond to the current driving operation according to the target response parameter. The driving experience of the vehicle can be enriched.

The present application relates to the technical field of vehicle, and discloses a vehicle driving control method, which comprises the following steps: detecting whether there is foreign matter in the pedal area of the vehicle; when it is confirmed that there is foreign matter in the pedal area, issuing an alarm prompt to the current driver of the vehicle, and judging whether the driver takes adjustment measures within a specified time window; if it is confirmed that the driver does not take adjustment measures, the vehicle is controlled. In the case that foreign matter is detected in the pedal area, the driver is informed in the first time, and whether the vehicle needs to be actively controlled is further judged based on the reaction of the driver. By combining the timeliness of the foreign matter falling notification and the fault tolerance processing of the driver's reaction, the risk brought by the foreign matter falling in the pedal area to the vehicle driving is greatly reduced, and the safety guarantee of the vehicle driving is further improved.

The invention relates to a driver departure control method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring driving behavior data of a current driver, determining a driving risk score of the current driver according to the driving behavior data, acquiring passenger evaluation data of the current driver, determining a service quality score of the current driver according to the passenger evaluation data, acquiring historical operation data of the current driver, and determining a service quality score of the current driver according to the historical operation data; according to the historical operation data, determining a revenue efficiency score of the current driver, according to the driving risk score, the service quality score and the revenue efficiency score of the current driver, determining a driving strategy of the current driver, the driving strategy including a driving address and driving time, and sending the driving strategy to a terminal corresponding to the current driver. Therefore, the current driver is controlled to leave. By adopting the method, different drivers can be guided to select proper time periods and go to proper places to receive orders, so that the waiting time of the drivers is shortened, and the order receiving success rate of the drivers is improved.

The invention relates to a method (11) for controlling a motor vehicle (1) that can be guided longitudinally manually and automatically. In this method, when a target deceleration is requested by a driver assistance system (3) configured for longitudinal vehicle control, a false deceleration is detected if the actual deceleration of the motor vehicle (1) exceeds a predetermined deceleration threshold for more than a predetermined tolerance time. However, if a driver-initiated deceleration is simultaneously present due to the activation of a brake control element (5) of the motor vehicle (1) by the driver (2), this deceleration threshold for the detection of false decelerations is automatically adjusted by the current driver-initiated deceleration towards a greater deceleration. The invention also relates to a vehicle system (7) configured for the method and a motor vehicle (1) equipped therewith.

The present invention discloses an adaptively adjustable automobile step system and an adjustment method thereof, comprising a human body size data pre-storage module, a posture acquisition module, a body shape measurement module, a get-off posture generation module and a pedal adjustment module. The present invention is based on the human body size data pre-storage module, collects the current driver's body position through the posture acquisition module, determines the current driver's body size data through the body shape measurement module, simulates the driver's get-off state through the get-off posture generation module, calculates the driver's comfortable stepping height, and finally automatically adjusts the height of the vehicle pedal by the pedal adjustment module to meet the stepping needs of drivers at different percentiles of the human body when getting off the vehicle, thereby realizing personalized adaptive adjustment of the automobile step.

The invention relates to a gate driver circuit for a current-controlled switching element. An apparatus for controlling a current-controlled switching element includes an output node, a current driver circuit, and a detection circuit arrangement. The output node is configured to be electrically coupled to a control node of the current-controlled switching element. The current control type switching element is configured to change from operating in an off state to operating in an on state when a charge supplied to the control node causes a voltage at the control node to be greater than an activation threshold. The current driver circuit is configured to output an activation current to the output node in response to a switching signal indicating that the current control type switching element changes from an off state to an on state. The detection circuitry is configured to detect when a switching event has occurred based on the voltage at the control node while the current driver circuit outputs the activation current.

The invention particularly discloses a series power generation control method for a hybrid electric vehicle. The method comprises the steps that a corresponding table of SOC and compensation power is obtained through overall calibration of the vehicle; the current driver demand power, the current battery SOC and the target SOC are obtained, and the corresponding table is looked up according to the difference value between the current battery SOC and the target SOC to obtain the compensation power needed by the battery; real-time electric power consumed by high-voltage accessories in the vehicle is obtained, and real-time dynamic target generated power is obtained according to the current driver demand power, the compensation power and the real-time electric power; the static reference target generated power of the vehicle is obtained, and the final target generated power is obtained according to the real-time dynamic target generated power and the static reference target generated power; and distributing an engine target torque and a generator target rotating speed according to the final target power generation power so as to perform series power generation control. According to the invention, frequent dynamic adjustment can be reduced, and high loss of battery charging and discharging is avoided.