19results about How to "Balanced power consumption" patented technology

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 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 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 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 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.

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.

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.

The utility model discloses a solar cold-resistant intelligent luminous traffic sign, and relates to the technical field of traffic safety and new energy application. In order to overcome the technical defect that a traffic sign board scheme which can adapt to an extremely cold environment, realize intelligent power consumption management, have remote monitoring capability and emit light stably is lacked in the prior art, the technical scheme provided by the utility model is as follows: the solar cold-resistant intelligent light-emitting traffic sign board comprises a solar cell panel, the power supply is mounted at the top of the signboard and used for collecting light energy; the light-emitting signboard is arranged on the supporting structure, is internally provided with an LED light-emitting assembly and is used for displaying traffic sign information; the control module is used for adjusting the luminance according to the illumination intensity and controlling the operation state; and the cylindrical supporting steel pipe is used for supporting the luminous signboard, is provided with a flange plate at the bottom and is fixedly connected with the ground. The system can be used in a road traffic sign illumination and intelligent monitoring system in a cold region.

The invention provides an AUV test dual-mode remote communication system and method based on a 4G network, the system comprises an AUV communication terminal, a water surface buoy relay device, a cloud server platform and a shore-based control center, and the method comprises the steps that the AUV communication terminal monitors the water surface wireless or underwater wired signal intensity in real time; and a water surface direct connection communication mode or an underwater buoy relay mode is selected in combination with actual water surface / underwater working conditions. According to the invention, the 4G network is constructed to realize high-bandwidth communication between the AUV on the water surface and the shore base, the wired network is constructed through the power line carrier to realize small-batch and high-priority real-time data interaction during underwater navigation of the AUV, frequent deployment and recovery in the debugging stage of the AUV are avoided, the test efficiency is greatly improved, and the labor intensity and the operation risk are reduced.

The embodiment of the invention discloses a communication method, communication equipment, a communication system, a storage medium and a program product. A low layer of a terminal indicates a high layer of the terminal to update stored reference signal receiving power (RSRP) by determining update timing advance (TA); wherein the terminal is in an inactive state; therefore, the terminal can automatically adjust the TA based on the measurement quantity of the physical layer and indicate the high layer to update the stored RSRP, so that the terminal can still complete positioning in a low-power-consumption state, the power consumption and the positioning time delay are effectively balanced, and the overall performance of the system is improved.

The invention belongs to the field of graphics card heat dissipation, and particularly relates to a graphics card liquid cooling type rapid heat dissipation device which comprises a plate body. A heat dissipation groove, a cooling groove, a circulating cavity and a flowing groove are formed in the plate body, the heat dissipation groove, the cooling groove, the circulating cavity and the flowing groove are filled with heat conduction liquid, a through hole is formed between the cooling groove and the heat dissipation groove, one end of the flowing groove is communicated with the circulating cavity, and the other end of the flowing groove is communicated with the cooling groove. A circulation assembly is arranged on the plate body, a heat dissipation assembly for cooling the heat conduction liquid is further arranged on the plate body, when the GPU works to generate heat, the heat conduction liquid rapidly absorbs the heat, then the circulation assembly pushes the heat conduction liquid to fluctuate in the flowing groove, and then the heat conduction liquid is cooled through the heat dissipation assembly. In this way, rapid heat transfer is achieved, the problem of heat accumulation caused by slow heat transfer is solved, and the heat dissipation effect of the display card under high-load operation is effectively improved.

The invention relates to an active infrared vision fusion VR positioning method in an under-illumination environment, and the method comprises the steps: configuring an active infrared illumination unit on a head-mounted device, controlling the active infrared illumination unit to emit infrared light to the environment in a preset illumination mode, and collecting an infrared image; synchronously acquiring measurement data of the inertial measurement unit; performing preprocessing and feature extraction and tracking on the infrared image to obtain visual features; carrying out pre-integration on the measurement data to obtain IMU pre-integration data; visual features and IMU pre-integration data are fused, and state estimation and map construction are carried out through a multi-sensor tight coupling optimization algorithm; outputting a six-degree-of-freedom pose; and based on a state estimation result or visual feature extraction quality, dynamically adjusting illumination parameters, and repeating the steps. The fundamental problem that a traditional visual scheme fails in the dark is thoroughly solved, stable and continuous six-degree-of-freedom pose output is achieved, meanwhile, the optimal balance of power consumption and performance is achieved, mutual interference among multiple devices is effectively restrained, and the precision and robustness of the system are greatly improved.