1129 results about "Power mode" patented technology

The invention provides a satellite communication terminal power consumption management method, system and device, a medium and a product, and relates to the technical field of satellite communication, and the method comprises the steps: obtaining communication service state index data of a satellite communication terminal in a plurality of monitoring periods based on a preset power consumption monitoring task; judging whether the satellite communication terminal is in an idle state or not according to the communication service state index data, and judging that the satellite communication terminal is in the idle state if the communication service state index data of the satellite communication terminal in a plurality of continuous monitoring periods meets a preset idle state condition; and on the basis of a preset configuration instruction, performing power consumption adjustment on each equipment component in the satellite communication terminal in the idle state so as to adjust the working mode of the satellite communication terminal into a low-power-consumption mode. The energy consumption of the satellite communication terminal is reduced.

The invention discloses a low-power-consumption vehicle-mounted intelligent Internet of Things terminal device and a control method thereof. The terminal device comprises a voltage monitoring module and a mode control module. The voltage monitoring module periodically samples the input voltage of the terminal device at a preset sampling frequency to obtain a plurality of voltage sampling values; the mode control module judges the continuous state of the input voltage based on the plurality of voltage sampling values, controls the terminal device to enter a normal mode of full-power operation of all functional modules when the input voltage is continuously in a state greater than or equal to a first voltage threshold value, and controls the terminal device to enter a normal mode of full-power operation of all functional modules when the input voltage is continuously in a state less than the first voltage threshold value. Controlling the terminal device to be switched to a low-power-consumption mode in which part of functional modules are closed, and controlling the terminal device to enter a sleep mode when the input voltage is continuously in a state smaller than a second voltage threshold value; wherein the second voltage threshold value is lower than the first voltage threshold value.

The invention discloses a graph contrast learning identification method for the low-voltage transformer area topology of a power distribution network. The method comprises the following steps: data acquisition and standardization; constructing a feature extraction module; constructing a time sequence encoder, a voltage correlation module, a time alignment module and a power mode module; semi-supervision and measurement combined training: carrying out graph contrast learning based on attributes, and carrying out supervision training on transformer attribution and meter box attribution by adopting cross entropy loss; and topology identification and reasoning output: inputting time sequence data of a user and a transformer under the condition of zero sample of a new transformer area, and outputting a user-transformer attribution probability and a meter box attribution probability through a feature extraction and classifier. According to the method, physical interpretable features such as voltage correlation and time alignment are introduced and are combined with time sequence coding and metric learning, so that the accuracy and stability of topology identification of the low-voltage transformer area are remarkably improved under the condition of small samples.

The invention relates to the technical field of intelligent switching, in particular to a multi-mode dynamic coupling intelligent switching method and system based on road condition recognition and a vehicle. The method comprises the steps that gradient, vehicle speed, accelerator and brake signals are collected in real time, and a multi-dimensional feature vector fusing driving habits is constructed after preprocessing; a real-time road condition label is automatically generated through unsupervised clustering, and the clustering effectiveness is verified online by using a contour coefficient. Enabling the road condition label and the current power mode to form a system state, and inputting the system state into a self-learning decision network based on reinforcement learning; and the network updates the state-action value matrix through a reward function in a time sequence difference mode, and outputs a target power mode with the highest accumulated reward. And calculating the motion confidence coefficient of the target mode based on the value matrix, if the motion confidence coefficient exceeds a threshold value, generating a switching instruction, and smoothly adjusting the torque by an execution mechanism through a torque transition algorithm to realize impact-free switching. Automatic road condition recognition, self-adaptive decision making and non-inductive execution are achieved, and smoothness and adaptability are improved.

The invention discloses a control method of a PTC heater, a battery device, a vehicle and a storage medium, and the control method comprises the steps: controlling the heater to carry out gear switching to enter a preheating mode to heat the battery when the remaining electric quantity of the battery is lower than a first preset electric quantity and the current temperature of the battery is lower than a first preset temperature; when the battery enters the charging compensation mode, controlling the heater to carry out gear switching to cooperate with the battery to carry out charging compensation; when the remaining electric quantity of the battery is larger than or equal to second preset electric quantity, the heater is controlled to conduct gear switching to enter a maximum power mode to heat the battery, and the second preset electric quantity is larger than the first preset electric quantity. The heater can heat the battery when the battery is at the preset environment temperature such as low temperature, the performance of the battery and / or the heater is improved, the working mode of the heater is dynamically determined, and the working mode of the heater is dynamically switched, so that the heater heats the battery in the target working mode and / or cooperates with the battery for charging compensation.

The invention relates to the technical field of electric vehicle battery thermal management, in particular to an intelligent battery thermal management method and system based on environment temperature self-adaptive adjustment. A real-time response mechanism based on the dynamic temperature difference between the environment temperature and the battery temperature is provided, and through the four steps of temperature index data collection, thermal management battery protection, thermal management adaptive control and thermal management dynamic adjustment, when the environment battery temperature difference is larger than a threshold value, a continuous high-power mode is started, a temperature region can be rapidly converged, and the power consumption is reduced. The target temperature zone arrival time is effectively shortened; when the environment battery temperature difference is smaller than the threshold value, the intermittent low-power mode is switched, and energy consumption minimization can be achieved; the working temperature of the power battery can be quickly controlled near or within the most suitable working temperature, and the probability that the battery is reduced or even does not generate related side reactions is ensured, so that the cycle life of the battery is prolonged.

The invention discloses a test link abnormity positioning device, system, method, equipment, medium and program, and relates to the technical field of computers, and the method comprises the steps that when a test link is abnormal, a processing component writes a first enabling bit into a first register of each node device, each node device responds to the first enabling bit to enter a low-power-consumption mode, and the first enabling bit enters a low-power-consumption mode; according to the embodiment of the invention, each node device triggers link retraining in the low-power-consumption mode to expose the unstable position of the test link in the low-power-consumption conversion process, and determines the abnormal position of the link according to the flag bit state of the second register, so that the troubleshooting efficiency and the abnormality positioning precision are improved, and the time and the labor cost are saved. Therefore, the problems of low working efficiency and high time and labor cost caused by the fact that the abnormal problem cannot be effectively solved in time when the abnormal position of the link is checked manually in the prior art are solved.

Storage devices and methods are disclosed. In an embodiment, a storage device may include a memory device including a plurality of memory units configured to store data and a plurality of page buffers coupled to the plurality of memory units, respectively, a volatile memory configured to store write data requested by a host, a power control device configured to control power supply to the memory device and the volatile memory and a processing circuit configured to control the memory device based on a command transmitted from the host. The processing circuit backs up the write data to a first page buffer among the plurality of page buffers in response to a low power mode entry command transmitted from the host. The power control device cuts off power supply to the volatile memory after the write data is backed up in the first page buffer.

A mobile communication device includes a first physical layer circuit powered by a first power supply and configured to communicate first frames of data over a first serial bus to a display controller in a high-speed mode and to refrain from communicating over the first serial bus when the display controller is operated in a low-power mode, a second physical layer circuit powered by a second power supply and configured to communicate second frames of data at a second data rate over a second serial bus to the display controller in the low-power mode, a first processor powered by the first power supply and configured to generate the first frames of data, and a second processor powered by the second power supply and configured to provide the second frames of data to the second physical layer circuit when the display controller is operated in the low-power mode.

The invention relates to the technical field of forklift control, and discloses a control system and a control method of a standing plate type pallet truck. A pressure state signal of a hydraulic oil way is obtained through a pressure switch, a load state is judged, and a power mode is selected through a mode selection switch; and the controller controls the forklift to run according to the set acceleration running curve or brake according to the braking running curve according to different vehicle running states. The pressure switch is used for recognizing the light-load and heavy-load working conditions of the vehicle, the maximum speed of the light load of the vehicle is increased according to different load conditions and different power modes, the braking distance of the vehicle under different loads and the running stability of the vehicle are ensured, and the service life of the vehicle is prolonged. Therefore, the working efficiency of the vehicle is improved, the purposes of smooth driving and safe and smooth braking of the vehicle are achieved, and various control requirements of a user on high efficiency, safety, comfort and the like of the vehicle under different working conditions are met.

The invention discloses a dormancy awakening method of a vehicle-mounted host system, the vehicle-mounted host system and a vehicle. The method is applied to a vehicle-mounted host system comprising a host and a power management unit, and comprises the following steps: the host sends a first control instruction to the power management unit in response to a sleep request, and controls the host to enter a first low-power-consumption mode so as to maintain an output state of at least one control port in the first low-power-consumption mode; the power management unit responds to the first control instruction, controls the power management unit to enter a second low-power-consumption mode, and maintains power supply to the host in the second low-power-consumption mode; the host responds to the wake-up event, quits the first low-power-consumption mode and sends a second control instruction to the power management unit; and the power management unit responds to the second control instruction, quits the second low-power-consumption mode and recovers to the normal working state. Through cooperative control of the host and the power management unit, the vehicle-mounted host system achieves optimal balance among power consumption, function keeping and awakening speed.

The mobile device can preserve battery capacity by periodically determining locations only when the mobile device is moving between locations where the mobile device is relatively static. To conserve power, the mobile device's application processor may be in a low-power mode. Until a wake event, the device's low power auxiliary processor can store inertial information in a buffer. At each wake event, the inertial information can be classified to determine a distance, a direction, and a movement type (e.g., driving or walking). The mobile device may also record a wireless fingerprint. This wireless fingerprint and the classified inertial information can be used to detect that the mobile device has left a dwell point. Until the mobile device reaches a new dwell point, the mobile device's application processor can log the device's GNSS location at each wake event to create the log of the device's location during its journey.

The embodiment of the invention provides a near field communication method, a module, a device, equipment, a medium and a product. The scheme comprises the following steps: a slave device obtains a first radio frequency signal sent by a master device of near field communication, can extract signal characteristics of the first radio frequency signal, and generates a first modulated radio frequency signal; the phase and / or amplitude of the first modulation radio frequency signal is different from that of the first radio frequency signal; then the first modulation radio frequency signal of a first duration is sent; after the first duration, switching the slave device from the first impedance state to a second impedance state and keeping the state for a second duration; the sum of the first duration and the second duration is smaller than the period duration of the low-power-consumption signal sent by the master device. Therefore, the master device is promoted to exit from the low-power-consumption mode in an active and passive modulation mode, and the stability of near field communication is improved.

The invention discloses a vehicle-mounted high-power power supply and distribution system and method, and the method comprises the steps: enabling one end of an engine to be provided with a transmission wheel train and a high-voltage generator during the running process of a vehicle, and enabling the output rotating speed of the engine to be improved to the rated rotating speed of the high-voltage generator through the transmission wheel train; high-voltage direct current output by the generator drives a high-voltage electric appliance to work after being subjected to voltage stabilization and filtering by the high-voltage distribution box; when an automobile is parked and a mains supply is used, alternating-current mains supply is inverted into direct-current power through the high-voltage distribution box to drive a high-voltage electric appliance to work. The defects that a traditional vehicle cannot run and cannot supply power in a high-power mode under the parking condition can be overcome, especially the technical problem of power supply under the parking condition is solved, software system adaptation development is carried out through the comprehensive technical scheme of a high-power high-voltage silicon generator, mains supply inversion, power supply filtering and the like in combination with post-stage power utilization characteristics, and the power supply efficiency is improved. And stable power supply of the air-conditioning system under running and parking conditions is ensured.

Systems and methods for providing dynamic network slicing resource reselection for wireless communication are described. User equipments (UEs) may determine that network slicing resources utilized with respect to one or more applications are to be changed in run time, such as for more efficient operation in light of a change in power mode, throughput mode, latency mode, etc. A message indicating a cause for reselection of a current packet data unit (PDU) session association with an application may be provided to a UE route selection policy (URSP) manager. The URSP manager may reevaluate a current PDU session association with the application to determine if it is a best match with the cause. If no, a switch to a new PDU session association with the application may be made. If yes, the current PDU session association with the application may be maintained. Other aspects and features are also claimed and described.

A network of devices includes a power-constrained device that uses two separate physical channels associated with different wireless communications protocols to communicate with a device and to communicate directly or indirectly with a controller. In an embodiment, the two separate physical channels include a dedicated high-power, high-throughput physical channel of a primary wireless communications protocol that is used to communicate with the controller in a normal mode of operation and a side channel, which is a lower power, lower throughput physical channel of a secondary wireless communications protocol to receive triggers from sensors and that may be used to directly or indirectly communicate with the controller in the normal mode of operation or in a lower power mode of operation. In an embodiment, the dedicated high-power, high-throughput physical channel is configured in a lower power state (e.g., idle or off) while a sleepy node is in a power-saving mode.

A system for managing emissions of a vehicle includes a controller to perform: activating a heater responsive to a battery state of charge being at or above a predefined threshold, activating an air mover, causing the moving air to be heated to heat an aftertreatment system, receiving an aftertreatment system temperature responsive to activating the air mover, causing the engine to operate in a modified power mode where a power output of the engine is below a power output threshold, responsive to the temperature being at or above a first threshold and below a second threshold, causing the engine to operate the engine in a normal operating mode where the power output of the engine is at or above the power output threshold, responsive to the temperature being at or above the second threshold, and deactivating the heater when the temperature is at or above the second threshold.

The present disclosure generally relates to user interfaces for facilitating operations. In some examples, computer systems provide indications that educate and / or guide users for performing an operation. In some examples, computer systems perform a first operation based on a first type of user input corresponding to a first hardware input device and perform a second operation based on a second type of user input corresponding to the first hardware input devices. In some examples, computer systems adjust audio output of an emergency siren based on detecting a particular type of event. In some examples, computer systems display different types and / or sizes of notifications based on an operating mode of a respective computer system. In some examples, computer systems forgo performing one or more operations when a respective computer system operates in a low power mode.

In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying first logic for transmitting signals wirelessly to a device through a touch-sensor of the device. The stylus has a first power mode in which components of the stylus for receiving signals from or transmitting signals to the device are powered off; a second power mode in which components of the stylus for receiving signals from the device are powered on at least periodically and components of the stylus for transmitting signals to the device are powered off; and a third power mode in which components of the stylus for transmitting signals to the device are powered on at least periodically. The media further embodies second logic for transitioning the stylus from one of the first, second, and third power modes to another one of the first, second, and third power modes.

The invention provides an anti-interception communication access method, system and device, a storage medium and a program product, and relates to the technical field of wireless communication networks, and the method comprises the steps: generating a radio frequency signal through an intelligent array antenna based on a time slot index and a beam power index, and transmitting the radio frequency signal to a satellite, so as to obtain the service data of a service copy packet; the radio frequency signal comprises a sending signal corresponding to each time slot, and each sending signal carries a service copy packet; and in any two adjacent time slots, the intelligent array antenna sends corresponding sending signals in one time slot by adopting a wide beam mode and a high power mode, and the intelligent array antenna sends corresponding sending signals in the other time slot by adopting a narrow beam mode and a low power mode. Through the above mode, the orthogonality of the wave beam and the power can be fully utilized to avoid the situation that the signal is intercepted by an electronic reconnaissance satellite, the anti-interception performance of the aircraft is improved, and the risk that the aircraft is exposed is reduced.

Selecting low-power modes (LPMs) based on monitoring inter-processor interrupt (IPI) arrival intervals in processor devices is disclosed herein. In some aspects, a processor device comprises a plurality of processor elements (PEs) and an LPM selection circuit. The LPM selection circuit is configured to determine an average IPI arrival interval for a PE of the plurality of PEs based on an IPI arrival history table for the PE. The LPM selection circuit then determines whether the average IPI arrival interval is greater than a minimum residency interval for a first LPM of the PE, wherein the first LPM is associated with lower power consumption and higher entry and exit latency relative to a second LPM of the PE. If so, the LPM selection circuit places the PE in the first LPM; otherwise, the LPM selection circuit places the PE in the second LPM.

The invention relates to the technical field of RTC awakening, in particular to a low-power-consumption RTC awakening system and a vehicle with the low-power-consumption RTC awakening system, and the system comprises a state data fusion module, a use condition judgment module, an awakening strategy configuration module, an RTC awakening setting module and a master control sleep control module. According to the invention, by combining the multi-dimensional static judgment standard of the vehicle-mounted state data and counting the number of the state items meeting the static condition, the identification mark is generated, and the judgment basis of the long-term parking use condition is constructed, so that the false triggering of the wake-up strategy setting in the short-time parking scene is avoided; the priority linkage optimization strategy matching result of the wake-up interval and the battery health index ensures that the wake-up period is prolonged, the unnecessary system wake-up times are reduced, the energy consumption in the standby period is reduced, the wake-up configuration efficiency is improved under the condition that the battery state is proper, and whether the low-power-consumption mode can be achieved or not is jointly judged by means of three state conditions. And the stability of the master control in the dormant state and the sustainable consistency of the state after awakening are ensured.

The invention discloses an interphone power saving method and device for dynamically adjusting a low noise amplifier working point, and the method comprises the following steps: S1, periodically collecting a digital intermediate frequency signal in a receiving stage, and calculating a first parameter and a second parameter, the first parameter being a current received signal strength indication value, and the second parameter being a current signal-to-noise ratio estimation value; s2, when the first parameter is higher than a first threshold value and the second parameter is higher than a second threshold value, it is judged that a low-power-consumption access condition is met; s3, when N continuous cycles all meet the low-power-consumption access condition, the baseband processor outputs a first control signal, and the bias working point of the low-noise amplifier is switched to a low-power-consumption mode; and S4, in a low-power-consumption mode, if the first parameter is lower than a third threshold value or the second parameter is lower than a fourth threshold value, outputting a second control signal, and switching the bias working point of the low-noise amplifier to a high-performance mode, thereby solving the problem of high static power consumption of the interphone receiving link on the premise of ensuring the communication reliability.

The invention discloses a power mode switching method and device and a vehicle. The method comprises the steps that in a series power mode, a vehicle control unit sends a parallel connection requirement to a gearbox control unit so as to carry out clutch oil pre-charging; meanwhile, the speed regulation of the P1 motor is controlled through a PID + feedforward algorithm, so that the rotating speeds of the input end and the output end of the clutch are completely synchronized; after complete synchronization, the vehicle control unit sends a clutch closing signal to the gearbox control unit to control the clutch to be closed; after the clutch is closed, the gearbox control unit sends a clutch closing state signal to the vehicle control unit to control the P1 motor to exit power output, and the engine torque is transmitted to the wheel end through the clutch; meanwhile, the torque of the driving motor is adjusted in real time based on the actual torque transmitted to the wheel end by the clutch to enter a parallel power mode. High smoothness, high success rate and high power adaptability of switching from the series connection mode to the parallel connection mode are achieved, and the driving experience of the hybrid power vehicle is remarkably improved.

A radio frequency (RF) power amplifier based on transformer matching is provided. The RF power amplifier includes: a first-stage amplification circuit configured with an input terminal and an output terminal, wherein the output terminal of the first-stage amplification circuit is configured to be connected to one terminal of a main coil of a first transformer; the first transformer configured to include the main coil and a secondary coil, wherein one terminal of the secondary coil is grounded and the other terminal of the secondary coil is connected to a medium-low power mode input terminal of a power switch; the second-stage amplification circuit configured with an input terminal for receiving the amplified RF signal from the first-stage amplification circuit, wherein an output terminal of the second-stage amplification circuit is configured to be connected to a high power mode input terminal of the power switch.

The disclosed invention relates to an electrically powered watercraft that may include a dynamic weight shifting system for reducing power requirements in operation, an electrical system that provides a first low voltage electrical power mode when stationary and a second high voltage electrical power mode when in motion for increased power and range, and an omnidirectional console for control of the watercraft. The electrical system increases power to the electric motors when the watercraft is in gear, while reducing the power level when the watercraft is not in motion. The omnidirectional control console for operation and control of the watercraft may be responsive to the orientation of the console with respect to the watercraft. This construction allows easy docking and close operation to other watercraft and obstructions.

The invention discloses a chip internal reference clock frequency adjusting device and a chip. The chip internal reference clock frequency adjusting device comprises a system clock generating circuit; a system non-volatile memory circuit; the enable register is used for enabling the backup function of the backup register; the backup register is used for backing up an IRC frequency modulation control word currently used by an internal IRC clock source of the system clock generation circuit when the backup function of the backup register is enabled and a deep low power consumption mode request instruction is received; the alignment module is connected with the enable register, the backup register, the system non-volatile storage circuit and the system clock generation circuit and is used for aligning the system non-volatile storage circuit before the backup function of the backup register is enabled, the system receives a deep low-power-consumption wake-up request and the initialization of the system non-volatile storage circuit is finished; and IRC frequency modulation control words backed up by the backup register are selected to control the starting frequency of an internal IRC clock source of the system clock generation circuit. According to the device, the on-chip internal reference clock source is quickly adjusted, and the system wake-up time is shortened.

A memory instance comprises a plurality of banks of storage cells to store data values, and input / output circuitry shared between the plurality of banks for receiving write data or outputting read data. Each bank of storage cells supports a power saving mode and an operational mode. A control interface receives power control signals for controlling use of the power saving mode. Bank power control circuitry individually controls, for each of a plurality of subsets of banks of storage cells within the same memory instance, whether that subset of banks is in the power saving mode based on the power control signals. For at least one setting for the power control signals, one subset of banks is in the power saving mode while another subset of banks in the same memory instance is in the operational mode. Also disclosed is power control circuitry which selects the power mode to use for each subset of banks and generates the power control signals.

The invention provides a base station OTA intermodulation test method based on a reverberation chamber. The reverberation chamber comprises a shielding shell which encloses a closed cavity, and a stirrer which is arranged in the closed cavity and is used for stirring electromagnetic waves transmitted in the closed cavity; and the tested base station and the interference signal antenna are arranged in the working area of the closed cavity in parallel at a preset interval. The method comprises the following steps: starting a tested base station, and enabling the tested base station to transmit a main signal of a first frequency and bandwidth in a preset transmitting power mode; providing an interference signal of a second frequency and bandwidth with a predetermined power level to an interference signal antenna to generate intermodulation interference on the tested base station so as to perform an intermodulation interference test; under the condition that the stirrer is started for electromagnetic wave stirring, electromagnetic wave signals in the closed cavity are collected; and analyzing and processing the acquired electromagnetic wave signal to obtain a measurement result of the intermodulation interference test index based on the total radiation power. The universality of the emission intermodulation test is realized, and the test cost and time are reduced.

Touch-based protective lighting system and methods may be used. Portable lighting devices and / or modes of operation may pose safety risks. High-lumen output, focused light output, and / or overheating components may damage, burn, or ignite surrounding materials or the user. Various modes of operation of the portable lighting device may include modes designed to increase the safety of the portable lighting device. In certain operating modes or configurations, user touch / presence / control, distance to an illumination target, temperature of an illumination target, and / or device temperature may be used to determine whether to use the operating mode or instead to enter a protective / safe mode. Safe mode may be characterized by a lower light output / power mode or may power off the portable lighting device.