35results about How to "Balanced power consumption" patented technology

The invention relates to an image processing method and device, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: in response to a zooming operation, obtaining a current zooming magnification of a current image frame and a target zooming magnification currently issued by a camera application; determining a zoom scene type according to the current zoom ratio and the target zoom ratio; obtaining a corresponding target zooming curve according to the zooming scene type, and obtaining a transition zooming magnification between a current zooming magnification and a target zooming magnification by using the target zooming curve; and processing the acquired image data based on the transition zoom magnification to obtain the image data under the transition zoom magnification. The gradual change of the field angle of the image data in the focus-varying scene is realized, the sudden change of the field angle is avoided, and the picture change is smoother.

The utility model discloses a lithium battery liquid cooling structure based on a blood vessel bionic flow channel, and relates to the technical field of power lithium battery cooling. The battery pack comprises a battery module, a heat conduction pad and a liquid cooling plate, and is characterized in that the bottom of the battery module is attached to the top of the heat conduction pad, the top of the liquid cooling plate is attached to the bottom of the heat conduction pad, the top of the liquid cooling plate is attached to the bottom of the heat conduction pad, and the liquid cooling plate is composed of an upper cooling plate and a lower cooling plate; a flow channel of the liquid cooling plate is designed on the basis of a blood vessel flow field, the liquid cooling plate is composed of the upper cooling plate and the lower cooling plate, the cooling liquid inlet and the cooling liquid outlet are formed in the two ends of the diagonal line of the cooling plate, cooling liquid flows into the flow channel on the periphery of the cooling plate through the inlet and is distributed in a radiation mode, and the cooling liquid is cooled through the cooling liquid inlet and the cooling liquid outlet. And the heat of the battery pack is led out from the outlet. The arrangement of the inner and outer flow channels with different configurations balances the power consumption and the cooling effect of the liquid cooling plate.

The invention discloses a low-noise amplifier based on an inverter and a multi-objective optimization method of the low-noise amplifier. The low-noise amplifier comprises the inverter, an input capacitor CI, a feedback capacitor CF and a single-stage operational amplifier. The phase inverter is formed by connecting a PMOS (P-channel Metal Oxide Semiconductor) tube and an NMOS (N-channel Metal Oxide Semiconductor) tube in series, the input capacitor CI and the feedback capacitor CF are respectively of a split capacitor structure, the positive input end of the single-stage operational amplifier is connected with the output end of the phase inverter, the negative input end of the single-stage operational amplifier is connected with reference voltage, the output end of the single-stage operational amplifier is connected with a grid electrode of the NMOS tube through a resistor R2, the grid electrode of the PMOS tube is connected with a resistor R1, and the resistance value of the resistor R1 is equal to that of the resistor R2; the stability and the noise performance of the amplifier circuit are improved; by using a multi-objective optimization design method, the design parameters of the low-noise amplifier are optimized so as to meet the amplification requirements of ultrasonic pulse echo signals with different frequencies, and the design efficiency is improved.

The invention discloses a frequency adjustment method and device, electronic equipment and a readable storage medium, and relates to the technical field of processors, the frequency adjustment method and device are applied to the electronic equipment, the electronic equipment comprises multiple processors, and the method comprises the steps that a target processor set, used for executing task loads, of the electronic equipment and load information of the task loads are determined; obtaining first information of each first processor, wherein the first information comprises at least one of frequency upper and lower limit information, operation frequency when each first processor executes the task load and occupied information; based on load information and the first information, determining a processor needing frequency adjustment as a second processor through an adjustment model, and determining a target adjustment strategy of frequency adjustment of the second processor; and adjusting the frequency of the second processor based on the target adjustment strategy. The power consumption is reduced as much as possible on the premise of ensuring that the electronic equipment is not blocked in operation, and the relative balance between performance and power consumption is achieved.

The embodiment of the invention discloses a control channel monitoring method and device, a chip, equipment and a storage medium, and relates to the technical field of communication. Comprising the steps that downlink control information sent by network equipment is received, the downlink control information comprises configuration selection information, and the configuration selection information is used for indicating adopted antenna switching configuration; determining the number of target receiving antennas based on the antenna switching configuration indicated by the configuration selection information; and performing control channel monitoring through the antennas with the target number of receiving antennas. By adopting the scheme provided by the embodiment of the invention, the balance between the monitoring quality and the power consumption of the control channel can be realized.

The invention relates to a memory refreshing method and device, electronic equipment, a chip and a storage medium, and belongs to the technical field of computers. The method comprises the steps that it is determined that a memory service scene is located in a target scene, the target scene is one of at least two service scenes with different service densities, a target refreshing mode of a memory is determined according to the target scene, and the memory is refreshed based on the target refreshing mode. In the application, the refresh mode can be dynamically selected based on the current target scene of the memory, and a fixed refresh mode is no longer adopted to refresh the memory, so that the balance of performance and power consumption can be realized in business scenes with different business densities, and the overall efficiency of the memory is prompted.

The utility model discloses a lithium battery pack voltage acquisition circuit, the lithium battery pack is formed by connecting a plurality of battery cells in series, the lithium battery pack voltage acquisition circuit comprises a plurality of voltage division acquisition units, the plurality of voltage division acquisition units respectively acquire the anode voltage of each battery cell, and the acquisition ends of the adjacent voltage division acquisition units are respectively connected through equalization resistors. The equalization resistor is formed by connecting one resistor or a plurality of resistors in series. According to the voltage acquisition circuit of the lithium battery pack, the acquisition ends of the adjacent voltage division acquisition units are respectively connected through the equalization resistors, and the voltage acquisition circuit is used for equalizing the power consumption among the batteries, so that the problems that the power consumption in each string of batteries is different due to different resistance voltage division, and the batteries are unbalanced after multiple times of use and circulation are solved.

The present invention relates to a low power consumption control method for a GNSS receiver, comprising the following steps: turning on the GNSS receiver to complete the initial positioning; counting the number of occupied tracking channels of the tracking module, and obtaining the number of tracking strong stars according to the number of occupied tracking channels; determining the control strategy of the capture module according to the number of tracking strong stars; determining the gain level of the radio frequency front end according to the number of tracking strong stars; adjusting the working states of the capture module and the radio frequency front end according to the determined control strategy of the capture module and the gain level of the radio frequency front end to achieve power consumption adjustment. The present invention can balance performance and minimum power consumption.

The application provides a low-power consumption control method of a GPS module. Through data fusion of a gyroscope and GPS, precise perception of the motion state of the device is realized, and in combination with dynamic frequency modulation technology and hardware-level power control, the system power consumption is significantly reduced under the premise of ensuring positioning accuracy and real-time performance. The application detects the angular velocity change of the device in real time through the gyroscope, determines the device in a motion, low-speed movement or static state in combination with GPS position information. The GPS sampling period is dynamically adjusted according to the state division result. The sliding window algorithm is adopted to smooth the rate fluctuation, the multi-threshold hysteresis mechanism is combined to avoid state misjudgment, and a mathematical optimization model is constructed to iteratively optimize the control parameters, so that the balance between power consumption and performance is realized. Through hardware-level power control, zero power consumption in the static state is realized. In the long-endurance demand scenarios such as Internet of Things devices, wearable devices, field animal research, etc., the average power consumption of the GPS module can be greatly reduced while maintaining high positioning accuracy.

The invention belongs to the technical field of mobile communication, and particularly relates to a mobile communication terminal network switching method and system, and the method comprises the steps: collecting multi-dimensional network parameters and terminal state parameters; judging the working mode of the terminal and dynamically distributing parameter weights; pre-judging a source network state through a machine learning model, and screening a target network; establishing a pre-connection channel, and executing differentiated seamless switching; generating a feedback result, inhibiting ping-pong switching and optimizing the model; and multi-terminal collaborative switching is supported. The system comprises functional modules on a terminal side and an optional cloud auxiliary module. Core logic of multi-dimensional decision making, active pre-judgment and seamless switching language feedback optimization is adopted, switching precision, real-time performance and low power consumption are achieved, switching delay is smaller than or equal to 50 ms, the ping-pong switching occurrence rate is reduced by more than 80%, hardware does not need to be newly added, and the method is suitable for various mobile communication terminals and application scenes.

This invention provides a method and system for adaptive iteration count of a decoder, comprising: activating an adaptive iteration function; initializing the decoder and setting the decoder's iteration count to a maximum iteration count; calculating the average MCS value and average signal-to-noise ratio of the physical downlink shared channel within a sliding window; adjusting the decoder's iteration count as the initial iteration count based on the average MCS value and average signal-to-noise ratio; decoding a cell block and recording the actual decoding count used when decoding is successful; calculating the average of the actual decoding count used when the current cell block is successfully decoded and the actual decoding count used when previous cell blocks are successfully decoded within the sliding window; adjusting the current iteration count of the decoder based on the average decoding count, and decoding the next cell block. By dynamically adjusting the maximum iteration count of the LDPC decoder, unnecessary decoding iterations are reduced, UE power consumption is lowered, and a balance between performance and power consumption is achieved.

The invention discloses a shooting method and device, and belongs to the technical field of electronic equipment, and the method comprises the steps: adjusting the image collection specification of a local camera from a first specification to a second specification when a local end device of a distributed camera system is switched from the use of a local camera to the use of a far-end camera, and setting the image acquisition specification of the far-end camera as a third specification matched with the preview display demand based on the target resolution matched with the preview display demand, wherein the first specification is an image acquisition specification used by a local camera in a preview display state, the image resolution corresponding to the first specification is the target resolution, and the second specification is lower than the first specification; generating metadata based on image data collected by the local camera under the second specification; and generating and displaying a preview image based on image data collected by the far-end camera under the third specification and the metadata.

The invention relates to a low-power-consumption time synchronization method suitable for traveling wave positioning, and the method specifically comprises the following steps: firstly, in a traveling wave positioning device, no time synchronization operation is carried out at ordinary times; a global crystal oscillator counter is maintained in the device, and when a fault is detected, fault recording is carried out and a crystal oscillator counting value of a traveling wave data head is recorded; after fault recording is completed, the device performs time synchronization for the first time, and records a time value and a crystal oscillator count value after the first time synchronization; delaying the device for a period of time to carry out the second time synchronization, and recording the time value and the crystal oscillator count value after the two times of synchronization; and calculating a first data moment value of the traveling wave data and an actual sampling interval of the traveling wave data through the recorded data. And finally, completing accurate fault positioning according to a conventional wave head arrival time method. According to the invention, the frequency of time synchronization is reduced, so that the power consumption of the system is reduced; the method also has the characteristics of strong adaptability and easy implementation, and is suitable for various traveling wave positioning devices.

The invention relates to a camera awakening method, a monitoring system, an electronic device and a storage medium, and the camera awakening method comprises the steps: awakening a wireless sensing module to carry out target detection under the condition that an infrared detection module detects that a detection target appears in a preset detection region in a normal working state; under the condition that the wireless sensing module determines that the detection target appears in the detection area, the camera is awakened to carry out target identification; under the condition that the wireless sensing module determines that the detection target does not exist in the detection area, counting mistaken wake-up information of the infrared detection module to obtain a first statistical result; and determining that the infrared detection module is in an abnormal working state under the condition that the first statistical result meets a preset abnormal condition. The overall power consumption of the monitoring system can be reduced on the premise of keeping relatively high detection accuracy. And meanwhile, the abnormal working state of the infrared detection module can be recognized in time.

The application relates to a low-power operation adjustment method for a tire pressure monitoring system based on user driving habits, which comprises the following steps: obtaining navigation planning information and real-time road condition information; determining an actual driving scene according to real-time vehicle speed and road traffic data, and generating conflict event information when a preset road type is inconsistent with the actual driving scene; obtaining a user driving habit image containing a conflict response habit sub-image; predicting a personalized behavior mode based on the conflict event information and the user habit image; and dynamically generating and executing a corresponding tire pressure monitoring power consumption adjustment strategy according to the predicted behavior mode. Through deep integration of scene conflict detection and user conflict response habits, the application solves the problem of strategy mismatch when a preset scene is inconsistent with an actual scene in the prior art, and realizes intelligent power consumption management according to roads and users.

The invention discloses an equipment control method and device, equipment and a storage medium, and the method comprises the steps: obtaining a plurality of target objects and the motion information of each target object from a plurality of frames of images detected by target equipment, predicting the number of frames of each target object in a detection region corresponding to the target equipment according to the motion information, obtaining complete process execution time consumed by the target device for processing a single frame of image, calculating predicted time consumed by the target device for processing each target object according to the existing frame number and the complete process execution time consumed, and calculating average time consumed by the target device for processing a single target object according to the predicted time consumed, a power consumption adjustment coefficient is calculated according to the average time consumption and the target time consumption, the target equipment is controlled according to the power consumption adjustment coefficient, and the target time consumption is the time consumption meeting the user requirement corresponding to the target equipment, so that the equipment power consumption can be adjusted on the premise of ensuring that the equipment performance can meet the user requirement. And the balance between equipment performance and equipment power consumption is realized.

The embodiment of the invention provides a vehicle door unlocking method and device, equipment and a storage medium. The method comprises the following steps: acquiring accident signal data of a vehicle; wherein the accident signal data comprises signal data in a target signal domain; determining an accident scene triggered by the vehicle according to the target signal domain; according to an accident triggering requirement in the triggered accident scene and the triggered accident scene, performing accident triggering detection on the accident signal data to obtain an accident detection result; wherein the accident detection result comprises accident grade information; and according to the accident grade information and the triggered accident scene, a matched vehicle door unlocking mode is determined, and according to the matched vehicle door unlocking mode, a vehicle door of the vehicle is controlled to be unlocked. According to the method, the reliability, the accuracy and the refinement degree of the vehicle door unlocking method can be improved.

The invention relates to a tire pressure monitoring system low-power-consumption operation adjusting method based on user driving habits. The method comprises the following steps that navigation planning information and real-time road condition information are obtained; judging an actual driving scene according to the real-time vehicle speed and the road traffic flow data, and generating conflict event information when the preset road type is inconsistent with the actual driving scene; obtaining a user driving habit portrait containing the conflict coping habit sub-portraits; predicting a personalized behavior mode based on the conflict event information and the user habit portrait; and according to the predicted behavior mode, dynamically generating and executing a corresponding tire pressure monitoring power consumption adjusting strategy. Through deep fusion of scene conflict detection and user conflict coping habits, the problem of strategy mismatching when the preset scene does not accord with the actual scene in the prior art is solved, and intelligent power consumption management which varies from person to person due to road conditions is realized.

The invention provides an SSD power consumption and performance dynamic balance method and device and computer equipment, and the method comprises the steps: receiving read-write request commands, recording the data volume of each read-write request command, and accumulating the data volumes of the read-write request commands; comparing the data volume of the read-write request command with a preset threshold value to obtain a data volume comparison result; if the data volume comparison result is that the data volume of the read-write request command is larger than the preset threshold value within the preset time, a preset first time sequence is called to process the read-write request command, and the time sequence period of the first time sequence is larger than the time sequence period of a standard time sequence; if the data volume comparison result is that the data volume of the read-write request command is smaller than the preset threshold value, a preset second time sequence is called to process the read-write request command, and the time sequence period of the second time sequence is equal to the time sequence period of the standard time sequence. The method has the beneficial effects that the balance between the performance and the power consumption of the SSD controller is realized, and the competitiveness of the SSD controller is improved.

The present invention provides a wireless expansion board for automatically switching networks and a network switching method thereof, the expansion board comprising: a SIM card module for installing a SIM card; an expansion interface module for externally connecting a general routing board or a CPE device; a wireless interface module electrically connected to the SIM card module through a SIM card interface, and electrically connected to the expansion interface module through a USB protocol; an out-of-band interface module for providing remote control services; a control module electrically connected to the wireless interface module and the out-of-band interface module, for implementing SIM card switching through the wireless interface module, and implementing remote control services through the out-of-band interface module. The present invention uses a plug-in 4G / 5G module wireless expansion board and a standard USB interface as an expansion interface, so that enterprises are no longer restricted by the support capabilities of the general routing operating system for 4G / 5G module products, thereby flexibly realizing independent access and operation and maintenance management of wireless networks.

The invention provides a low-power-consumption control method and device of a chip system, electronic equipment and the chip system, and relates to the technical field of chips.The method comprises the steps that in response to the fact that at least one target system in multiple service systems of a main chip enters a low-power-consumption mode, the use state of a public resource domain is obtained; adjusting the power supply state of the public resource domain based on the low power consumption mode and the use state of the public resource domain so as to enable the public resource domain to enter the low power consumption mode; and after the common resource domain enters the low-power-consumption mode, controlling the system support chip to enter the low-power-consumption mode. According to the method, the power supply state of the public resource domain is adjusted based on the low-power-consumption mode of the target system and the use state of the public resource domain, and the system support chip can be controlled to enter the low-power-consumption mode to balance the power consumption and response efficiency of the chip system, so that the low-power-consumption control effect and stability of the chip system are effectively improved.

The embodiment of the invention provides a function gear determination method and device, equipment, a medium and a program product. The method comprises the following steps: acquiring target equipment feature information corresponding to target equipment; determining the service quality gear of the target equipment under each power consumption gear according to a preset service quality gear estimation mode; determining an experience quality index value of the target equipment under each power consumption gear according to the target equipment feature information and the service quality gear of the target equipment under each power consumption gear; determining a target power consumption gear according to the experience quality index value of the target device under each power consumption gear; and determining a target function gear corresponding to the target equipment according to the target power consumption gear, so as to adjust a current function gear of a target function in the target equipment to the target function gear. Through the technical scheme of the embodiment of the invention, the optimal function gear can be determined, the power consumption and the service quality of the equipment are effectively balanced, and the experience quality of the equipment is further ensured.

The invention discloses a multi-dimensional self-adaptive sending power control method and device, and the method comprises the steps: determining a current gear corresponding to the current sending power and the current rate of a wireless system based on a preset power control table; obtaining a current packet error rate of the wireless system based on the current rate; determining a current network condition of the wireless system based on the current packet error rate; correcting the current gear based on the current network condition in combination with a channel parameter of the wireless system to obtain a corrected gear; determining a target sending power limit value corresponding to the current rate and the correction gear based on the power control table; and triggering the wireless system to send a message according to the target sending power limit value. According to the method, multi-dimensional self-adaptive control is carried out on the current sending power by utilizing the corresponding relation among the gear, the rate and the sending power limit value shown in the power control table and combining the current network condition and the channel parameter of the wireless system, so that the wireless system realizes the optimal balance between the sending performance and the power consumption.

The embodiment of the invention provides a brake reminding method, electronic equipment and a storage medium. In some embodiments, the brake reminding method comprises the following steps: establishing short-distance communication connection with surrounding vehicles; detecting a second communication index of the short-distance communication connection in response to the fact that the first communication index of the short-distance communication connection meets a first preset requirement; switching the communication mode of the short-distance communication connection from the first communication mode to a second communication mode in response to the fact that a second communication index of the short-distance communication connection meets a second preset requirement; power consumption of the second communication mode is lower than that of the first communication mode; acquiring position information and driving information of surrounding vehicles based on a first communication mode or a second communication mode of short-distance communication connection; and in response to the position information of the surrounding vehicles, indicating that the surrounding vehicles are located in front of the lane of the vehicle and the driving information of the surrounding vehicles indicates the surrounding vehicles to execute braking operation, and feeding back braking prompt information.

The invention discloses a shooting control method and device, equipment, a storage medium and a computer program product, and the method comprises the steps: obtaining the depth information of a current scene under the condition that a first camera is started for preview or recording; performing image region division based on the depth information of the current scene to obtain position information of a plurality of image regions; based on the position information of the plurality of image areas, the 3A statistical information of the first camera and the 3A statistical information of the second camera, performing differentiated multi-camera consistency processing on the first camera, and determining 3A control parameters of the first camera; and performing shooting control on the first camera based on the 3A control parameter of the first camera. Therefore, the interested area and the non-interested area of the user are identified based on the depth information, reasonable processing resource allocation is performed according to different image areas, the consistency processing effect of the interested area is improved, the processing power consumption of the non-interested area is reduced, and the effect and the power consumption of a multi-shooting consistency scheme are better balanced.

This application discloses a privacy-preserving feature extraction method and system applicable to data base generation, relating to the field of IoT privacy protection technology. The method includes: operating in a first power consumption mode and with a first computational precision to acquire environmental perception data and obtain a complexity level; if the complexity level exceeds a first preset threshold, waking up a second feature extraction unit to extract first structured feature data and uploading it to a cloud data base; if the confidence score of the first structured feature data is lower than a second preset threshold, extracting local area data and uploading it to the cloud data base; performing refined identification on the local area data to generate second structured feature data and storing it in the cloud data base. This solves the technical problems of insufficient feature extraction accuracy, excessive power consumption, and high bandwidth pressure in existing vehicle-side applications due to edge computing power limitations.

According to the low-power-consumption management method and system of the radar system and the terminal, the starting address can be flexibly set, the specific application program can be started from the Flash or the Retention SRAM according to different task requirements, task scheduling is optimized, and the overall power consumption is effectively reduced. The application program of the key task is resident in the Retention SRAM, and the system can directly execute the application program when being awakened, so that the complexity of reloading from Flash each time is avoided, the awakening delay is obviously reduced, and the power consumption is reduced. Meanwhile, the system adopts an application program segmented storage and management mechanism, and application modules are dynamically switched according to external event triggering and task requirements, so that the flexibility and the processing efficiency of the system are enhanced, and the power consumption and performance requirements can be better balanced in a multi-task processing scene. Besides, by reducing frequent access of Flash and combining storage management and task scheduling strategies, system power consumption is remarkably reduced, equipment endurance time is prolonged, and the method has great significance in energy efficiency improvement of the Internet of Things and the wearable equipment.

The invention discloses an online domain adaptive learning method based on multi-head self-integration, and relates to the field of machine learning. The method comprises: pre-training a backbone network of a multi-head model; respectively training each classification head of the multi-head model; performing TTA of multi-head model self-integration on the noise data set; performing optimal integration weight search by using Bayesian optimization; and updating and optimizing the weight of the multi-head model. According to the method, the precision of the model on a distributed out-of-data set is effectively improved, and the practical application capability of the model is enhanced under the condition that the parameter quantity and the calculation quantity of the model are not remarkably increased; and an efficient and practical solution is provided for online domain adaptive learning.

This application relates to the field of smart meter technology, specifically to a smart meter designed to address the technical problem of reducing power consumption in smart meters, thereby ensuring product compliance and improving the product's green energy efficiency. To this end, the smart meter of this application includes a rectifier module, a DC power supply module, and a communication module. The rectifier module provides a first DC voltage to the DC power supply module. The DC power supply module includes a DC-DC converter; the fifth terminal of the DC-DC converter is connected to the first DC voltage, and the sixth terminal of the DC-DC converter is connected to the communication module, used to convert the first DC voltage into a third DC voltage to power the communication module. Through this configuration, the smart meter of this application has lower heat loss and higher conversion efficiency, thereby effectively reducing the power consumption of the smart meter.

The invention provides a control system for an LED all-in-one machine, and the system comprises a multimedia processing module which is used for carrying out the decoding and OSD rendering processing of a received audio and video signal; the control module is in asymmetric communication with the multimedia processing module through a UART (Universal Asynchronous Receiver / Transmitter) and controls the LED all-in-one machine to work; and the interface module is respectively connected with the multimedia processing module and the control module for signal transmission, the interface module comprises a plurality of interfaces, and the interfaces are interfaces in the consumer electronics field. According to the embodiment of the invention, the control module and the multimedia processing module are utilized in the all-in-one machine to form a dual-core heterogeneous and function decoupling co-processing architecture, so that deep binding between the control module and hardware is effectively relieved, and the balance of performance, power consumption and cost of the all-in-one machine is realized; and communication with external equipment can be realized through an interface in the consumer electronics field in the interface module, so that identification and control of the external equipment are facilitated, and the maintainability of the all-in-one machine is effectively improved.