49 results about "Current driver" patented technology

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.

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.

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.

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.

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 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 application relates to a position adjustment method and device of a driving assistance device and a driving device, and comprises the following steps: when a driver exists, acquiring a current three-dimensional image of a current driver; comparing the current three-dimensional image with a stored setting three-dimensional image; under the condition that the current three-dimensional image meets any setting three-dimensional image, calling a position parameter corresponding to the setting three-dimensional image; and adjusting the driving assistance device for the current driver according to the position parameter. The position adjustment method of the driving assistance device has the following advantages: on the one hand, the current three-dimensional image of the current driver is used, so that the recognition rate and even the anti-counterfeiting degree are high; on the other hand, the processing efficiency is improved through automatic three-dimensional image comparison, so that the automatic adjustment time of the driving assistance device is shortened; and on the other hand, through the adjustment of the driving assistance device, the driver has the most habitual or relatively comfortable posture and objective environment of the driving device, which is beneficial to reducing the fatigue of the driver, so that the traffic accidents are reduced.

The invention discloses a cooperative driving control method and device, electronic equipment, a storage medium and a vehicle, and relates to the technical field of intelligent networked automobiles, and the method comprises the steps: determining a current driving situation risk level according to the behavior state information of a current driver, the driving environment information of an intelligent driving domain and the interaction information of a cabin domain; in response to the driving situation risk level belonging to a preset high risk level, determining a brake trigger signal and an alarm request corresponding to the high risk level; adjusting the communication priorities of the brake trigger signal and the alarm request to the highest level; and controlling the intelligent driving domain to execute a corresponding braking strategy according to the braking trigger signal, and controlling the cabin domain to execute an alarm strategy according to the alarm request. According to the method, the intention and the state of the user can be understood, unnecessary interference when the user focuses on driving is reduced, timely and smooth assistance is provided when the user needs help, and man-machine co-driving experience is more natural and reliable.

Method for controlling a vehicle (26) comprising at least one vehicle engine (37), a chassis (28), a vehicle body (27) and at least one or more actuators (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24), wherein - several different actuator control data sets (AS1, AS2, AS3, AS4, AS5, AS6) are specified and - at least one or the actuators are controlled depending on a selected actuator control data set (ASS), - several different driver status data sets (DS1, DS2, DS3, DS4, DS5, DS6) are specified, each of which is or will be assigned one of the actuator control data sets, - at least one or more state properties (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11) related to a driver of the vehicle are recorded and provided in the form of at least one or more state signals (S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11), - based on at least one or more of the status signals, a current driver status data set (DSA) is created, - the current driver state data set (DSA) is compared with the predefined driver state data sets, one of which is selected depending on this comparison, - the selected actuator control data set (ASS) is formed by the actuator control data set assigned to the selected driver state data set (DSS), characterized in that - one of the several predefined driver state data sets (DS3) is assigned the designation "Normal Driver", - one of the several predefined driver state data sets (DS1) is assigned the designation "Aggressive Driver", - at least one or the actuators (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24) are controlled during a journey of the vehicle depending on the selected actuator control data set (ASS) to generate sensory stimuli acting on the driver, - where an actuator control data set (AS1) for the "aggressive driver" suggests a more direct driving behavior in relation to an actuator control data set (AS3) for the "normal driver", while simultaneously increasing driving safety.

The invention discloses a vehicle volume adjusting method and device, a vehicle and a storage medium, and relates to the field of automobiles. The method comprises the steps that the driving state of a current vehicle driver is determined; under the condition that the driving state is the normal driving state, driving audio data and driving working condition data of the current vehicle are obtained; determining a driving scene of the current vehicle based on the driving condition data, and determining an audio scene of the current vehicle based on the driving audio data; and adjusting the output volume of the current vehicle loudspeaker based on the driving scene and the audio scene. According to the technical scheme of the embodiment of the invention, the volume of the vehicle can be dynamically and accurately adjusted according to the actual situation, so that the automation and intelligence level of volume adjustment is improved, and the user experience is improved.

The invention provides an energy-saving LED module optical system with an adjustable lens, and relates to the technical field of illumination optics, the energy-saving LED module optical system comprises an LED array, the LED array outputs stable primary light beams, and the LED array is powered by a constant current driver. And the adjustable lens group is used for zooming and shaping the primary light beam and outputting an intermediate light beam. According to the energy-saving LED module optical system with the adjustable lens, continuous zooming and precise shaping of light beams can be achieved by combining the electrowetting liquid lens array and the collimating microstructure element, and the optical adjustment flexibility and precision of the system are greatly improved. The system can dynamically adjust the balance between the luminous flux and the power consumption according to different lighting requirements, and the energy-saving effect is achieved while the lighting effect is optimized. By integrating an illumination sensor and a feedback adjustment mechanism, the system can monitor illumination parameters in real time, and it is ensured that the illumination effect is stable and efficient.

The invention provides a vehicle energy management method and system, computer equipment and a medium, and the method comprises the steps: obtaining the initial average power consumption of a current vehicle driven by a current driver, and then planning mileage based on the initial average power consumption and a route plan mileage determined in advance or in real time; calculating the total energy consumption when the current driver drives the current vehicle from the departure place of the route planning mileage to the destination; according to the battery electric quantity and the total energy consumption of the current vehicle at the departure place, calculating the to-be-generated energy of the range extender when the current vehicle reaches the destination with the full battery electric quantity; and finally performing range extender control on the current vehicle according to the route planning mileage and the to-be-generated energy of the range extender until the current vehicle arrives at the destination. According to the method, energy consumption prediction is carried out by combining the driving habits of the driver and a periodic correction power consumption method, then the range extender is controlled to work efficiently in the driving route process, and the requirement that a destination battery is fully charged is met.

The invention discloses a closed-loop control multi-type magnetic field magnetic control system based on eight-axis electromagnetic coils, which belongs to the technical field of magnetic control and comprises an upper computer, an analog digital acquisition card, a current driver, an eight-axis electromagnetic coil group, a magnetic field sensor, imaging equipment, water cooling equipment and interaction equipment. The upper computer sends out a control signal containing a static, dynamic or self-defined composite magnetic field; the analog digital acquisition card converts the digital control signal into an analog current signal; the current driver drives the coil according to the current loop; the eight-axis coil generates a three-dimensional magnetic field, and the magnetic field sensor feeds back the magnetic field in real time to the upper computer to realize closed-loop control. The system can solve the problems of open loop, single magnetic field and the like of an existing magnetic control system, and is suitable for the fields of minimally invasive medical treatment, micro-nano robots and the like.

The application relates to a control method and device of a suspended multifunctional vehicle-mounted interactive robot, which comprises the following steps: when an intelligent networked vehicle starts, the vehicle-mounted interactive robot is suspended in the air, it is judged whether the current driver is the vehicle owner, the vehicle owner's facial expression is recognized, and friendly interaction is carried out; a voice instruction is issued by the vehicle owner, voice interaction is carried out between the vehicle-mounted interactive robot and the vehicle owner, the vehicle-mounted interactive robot is made to face the vehicle owner according to the direction in which the vehicle owner is located; vehicle speed information is acquired, the magnetic suspension force field of the vehicle-mounted interactive robot is adjusted according to the vehicle speed information, and the vehicle-mounted interactive robot is prevented from flying out from above the magnetic suspension dynamic control module to cause accidental injury.

This application provides a display device and its backlight control method, including: a backlight assembly, a display panel, and a controller; the backlight assembly includes multiple light-emitting unit groups, each light-emitting unit group including a driver chip and at least one LED; the controller is configured to: acquire backlight data corresponding to the current backlight assembly; determine the basic output current value of the driver chip in each light-emitting unit group based on the backlight data; if the temperature value of the current driver chip does not reach the upper limit of the driver chip's temperature range, then the basic output current value is used as the target output current value of the current driver chip; otherwise, if the actual output current value of the driver chip exceeds the current reference value, then closed-loop control processing is performed; the driver chip is controlled to output current corresponding to the target output current value to at least one LED, so that the light-emitting unit group provides backlight. This solution can avoid image flickering and improve the accuracy and reliability of backlight control.

Abstract the embodiments herein provides a solid-state lighting apparatus and method enable multi-level power control of LED luminaires without digital controllers, data lines or mechanical relays. A constant-current driver feeds the LED load through a current-sense network that includes a fixed base resistor and at least one series step resistor. Each step resistor is bridged by an optically-isolated MOSFET shunt. An analogue detector recognises an AC-mains interruption of three-to-six seconds and, on each re-energisation, activates a further shunt in sequence, thereby lowering the effective sense resistance and increasing the regulated LED current. Zero-cross gating minimises electromagnetic interference. The architecture provides at least three discrete lighting levels over a 5 W-to-300 W range, delivers flicker-free output, and can be retrofitted into existing street, industrial or residential fixtures using only the native power wiring.

This application provides a method, system, medium, device, and program product for synchronizing the state of a list component, relating to the field of terminal application technology. The method includes: when listening for scrolling operations, before a child item is marked as visible and added to the dynamic linkage pool, obtaining an offset from the global state manager; registering a component controller to join the linkage pool and receive broadcasts; upon receiving a broadcast, adding a current driver pointer to the child item through the global state manager; and performing scrolling by combining the offset and the driver pointer. This application avoids the problem of inconsistent rendering and data binding timing when a virtual list scrolls at high speed. It accurately marks the event source through the driver pointer, blocking multi-directional event loops without state locks, simplifying state management, avoiding deadlocks, and comprehensively improving the user experience of virtual lists in complex scenarios.

The invention relates to a method (11) for controlling a motor vehicle (1) which can be longitudinally guided both manually and automatically. In the method, when a driver-assistance system (3) configured for longitudinal vehicle guidance requests a target deceleration, a deceleration fault is detected if an actual deceleration of the motor vehicle (1) is greater than a predetermined deceleration threshold value for longer than a predetermined tolerance period. However, if, at the same time, a driver-requested deceleration results from actuation of a brake operating element (5) of the motor vehicle (1) by a driver (2), this deceleration threshold value used for detecting deceleration faults is automatically adapted to a higher level of deceleration by an amount equal to the current driver-requested deceleration. The invention also relates to a vehicle system (7) designed to perform the method and to a motor vehicle (1) equipped with such a vehicle system.

The invention is suitable for the technical field of power and energy cooperative control of a new energy automobile power system, and provides a new energy automobile power system cooperative control method and system.The method comprises the steps that according to the corresponding relation, longitudinal vehicle following control strength parameters corresponding to a current driver operation characteristic mode are determined, and judging whether the longitudinal car-following control intensity parameter exceeds a longitudinal car-following control intensity parameter threshold value or not, and if so, generating a preference correction factor according to the difference between the longitudinal car-following control intensity parameter and the longitudinal car-following control intensity parameter threshold value. According to the method, the longitudinal car-following control intensity parameter and the energy-saving effect consistency parameter are introduced, the coupling influence between the safe car-following control strategy and the driver operation characteristic mode is subjected to quantitative analysis, and the safety car-following control strategy can be accurately controlled on the premise of not changing the existing safe car-following control strategy and not depending on the driving mode prompt. And the energy-saving execution preference parameters are corrected, so that the vehicle can maintain a stable and predictable energy-saving effect in a specific low-speed ramp vehicle-following scene.

The application provides a kind of control device and control method of rapid rise of fiber laser power, including: laser main body, including pump source assembly and laser output unit;Pump source assembly includes main pump source group and auxiliary pump source group;Power monitoring module is used to collect the output power of laser in real time, converts the power signal collected into electrical signal, and is transmitted to control module;Control module is used to receive the power signal transmitted by power monitoring module, identifies the interval where current power is located, and generates driving control signal;Control module includes microprocessor and algorithm logic unit;Drive module includes current driver and temperature controller;Current driver includes constant current driving circuit board and grouping driving unit;Power module.The application can promote the rapid and stable rise of laser output power to set power, and has high safety and reliability.

This disclosure provides a vehicle infotainment system configuration method, apparatus, electronic device, storage medium, and program product, relating to the field of computer technology. The method includes: detecting basic information of the current driver; matching the basic information of the current driver with group categories in pre-acquired group information to obtain the group category to which the current driver belongs, wherein the group information includes driving preferences of different group categories, and driving preferences include at least one of vehicle basic function preferences, interaction method preferences, driving mode preferences, and point-of-interest preferences; based on the group category to which the current driver belongs, obtaining the driving preferences of the group category to which the current driver belongs from the driving preferences of different group categories; generating configuration information according to the driving preferences of the group category to which the current driver belongs, and configuring the vehicle infotainment system information according to the configuration information. This method can not only improve the user's driving experience but also provide a personalized experience for the user.

The application provides an energy-saving LED module optical system with an adjustable lens, and relates to the technical field of illumination optics. The system comprises an LED array, a constant-current driver, an adjustable lens group, and an illumination sensor. The LED array outputs a stable primary light beam, and is powered by the constant-current driver. The adjustable lens group performs zooming and shaping on the primary light beam and outputs an intermediate light beam. The energy-saving LED module optical system with the adjustable lens can realize continuous zooming and precise shaping of the light beam by combining an electrowetting liquid lens array and a collimating microstructure element, greatly improving the optical adjustment flexibility and precision of the system. The system can dynamically adjust the balance between luminous flux and power consumption according to different illumination requirements, optimize light efficiency, and achieve energy-saving effects. By integrating the illumination sensor and a feedback adjustment mechanism, the system can monitor the illumination parameters in real time, ensuring stable and efficient illumination effects.

The application is suitable for the field of power and energy collaborative control technology of new energy vehicle power system, and provides a new energy vehicle power system collaborative control method and system.The method comprises the following steps: determining a longitudinal following control strength parameter corresponding to a current driver operation characteristic mode according to a corresponding relationship, and judging whether the longitudinal following control strength parameter exceeds a longitudinal following control strength parameter threshold value; if the judgment is yes, generating a preference correction factor according to the difference between the longitudinal following control strength parameter and the longitudinal following control strength parameter threshold value.The application quantitatively analyzes the coupling influence between the safe following control strategy and the driver operation characteristic mode by introducing the longitudinal following control strength parameter and the energy saving effect consistency parameter, and makes correction through the energy saving execution preference parameter without changing the existing safe following control strategy and without relying on the driving mode prompt, so that the vehicle can maintain stable and predictable energy saving effect in a specific low-speed slope following scene.

The invention discloses a bracelet and vehicle combined early warning method and device, a vehicle, a medium and a product. Under the condition that the vehicle is started, automatically detecting a target bracelet in a driving position association range, identifying a current driver in combination with the target bracelet, and synchronizing corresponding target vehicle account information; safety early warning related information is obtained, wherein the safety early warning related information at least comprises accident monitoring information of the vehicle and the road in front of the vehicle and driving state information of a current driver; determining a target early warning object, a target early warning mode and target early warning intensity based on the safety early warning related information and the target vehicle account information; wherein the target early warning object is a target bracelet or all bracelets bound with the vehicle; and based on the target early-warning mode and the target early-warning intensity, carrying out multi-modal early-warning notification in linkage with the target early-warning object. Multi-mode combined early warning is carried out through the vehicle and the target bracelet or all bound bracelets, so that the combined application of the bracelets and the vehicle is enriched, and the driving safety is improved.

The present disclosure relates to methods and apparatus for controlling a display backlight. A display is disclosed herein that can have a display layer forming a pixel array. The pixel array can be illuminated using a backlight unit. The backlight unit can include a plurality of light emitting diode strings (LEDs). The plurality of LED strings can be controlled by one or more backlight driver integrated circuits (ICs). In a multi-driver IC architecture, an enable signal can be used to set a desired phase delay between the plurality of ICs. One or more of the LED strings can exhibit a short fault. Depending on the number of faulty LED strings, the backlight unit can selectively throttle the maximum brightness of the display. The LED strings can receive an output voltage from a DC / DC converter and can be driven using a current driver. The DC / DC converter can be controlled by a headroom feedforward control circuit to ensure that the current driver has sufficient headroom while suppressing acoustic noise.

The utility model relates to a constant current driving power supply circuit for LEDs, which is characterized in that a plurality of light emitting diodes D are sequentially connected in series, a pin 3 of a connector PL1 is connected with a pin 1 of a fuse FL1, a pin 2 of the connector PL1 is connected with a positive electrode end of the first light emitting diode D, a pin 1 of the connector PL1 is connected with a negative electrode end of the last light emitting diode D, a pin 2 of the fuse FL1 is connected with a pin 1 of a direct current voltage reduction module UL1, and a pin 2 of the direct current voltage reduction module UL1 is connected with a pin 2 of the direct current voltage reduction module UL1. A pin 2 of the direct-current step-down module UL1 is connected with a pin 1 of the connector PL1, a pin 3 of the direct-current step-down module UL1 is connected with a pin 1 of the constant-current driver UL2, a pin 2 of the constant-current driver UL2 is connected with a positive electrode end of the first light-emitting diode D, a pin 3 of the constant-current driver UL2 is connected with a resistor R1 in series and then is connected with the positive electrode end of the first light-emitting diode D, one end of the capacitor C1 is connected with the pin 1 of the direct-current step-down module UL1, and the other end of the capacitor C1 is connected with the pin 1 of the connector PL1. The direct current voltage reduction module UL1 is matched with the constant current driver UL2 to stabilize the voltage of the light emitting diodes D connected in series, so that constant current driving is realized, and the failure rate is reduced.

A vehicle state grasping system and a vehicle state grasping method are provided. A system management server determines a case where a tire is not replaced or repaired after the air pressure of a tire of a vehicle decreases to a predetermined abnormal value and then returns to a normal value (for example, a case where a driver continues to drive the vehicle by supplementing air even though the tire is punctured) and transmits abnormality notification information to a manager terminal device. Thus, by the operation of the manager on the manager terminal device, warning information is provided to the current driver of the vehicle.

The invention relates to an underwater vehicle control method and device, a vehicle and a storage medium, and the method comprises the steps: when the vehicle is in a floating state, obtaining the attitude information of the vehicle and the current operation information of a driver on the vehicle in real time; according to the attitude information and the operation information, the rotating speed and the propelling direction of a propeller of the vehicle are controlled so as to drive the vehicle to stably run in the floating state, and the problems that in the related technology, the stability of running of the vehicle in the floating state is poor, and potential safety hazards exist are solved; and the rotating speed and the propelling direction of each propeller are dynamically and accurately controlled, so that the vehicle can stably run in a floating state, and the running stability and safety are improved.