916 results about "Sleep mode" patented technology

The invention discloses a single-chip microcomputer hierarchical dormancy control method based on dynamic power consumption prediction, and relates to the technical field of single-chip microcomputer low power consumption control, and the method specifically comprises the steps: building a mapping relation between a load current and a clock frequency; setting a dynamic dormancy threshold value; constructing a dynamic power consumption prediction model; a dormancy strategy is designed, module-level power consumption management and single-chip microcomputer function-based power consumption management are adopted, the callable frequency or the maximum operation duration of each function is distributed according to task priorities and battery residual energy consumption, and single-chip microcomputer peripherals are triggered through events and are independently awakened; and executing the sleep strategy, automatically awakening the single chip microcomputer according to a preset awakening condition, and realizing abnormity positioning and processing based on threshold comparison and power consumption monitoring in the process of executing the sleep strategy. According to the invention, module-level power consumption management and single-chip microcomputer function-based power consumption management are realized, the limitation of traditional global dormancy is broken, the need of overall reset during wakeup is avoided, and the response speed is improved while the energy consumption 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.

A user equipment (UE) configured to decode, from signaling received from a base station, a configuration for a cell ON-OFF pattern for a serving cell and at least one cell sleep mode for an OFF duration of the ON-OFF pattern, decode, from signaling received from the base station, a message indicating the UE to reselect to a neighbor cell when the serving cell determines a performance of the UE is impacted by a currently configured cell sleep mode for the OFF duration or in response to a UE request and reselect to the neighbor cell.

The invention discloses a quick start-up control method of a face recognition intelligent lock system, which comprises the following steps: enabling the face recognition intelligent lock system to be in an ultra-low power consumption sleep mode in which only a trigger sensing unit is kept for power supply in a normal state, and when the trigger sensing unit detects that a person approaches, executing hardware-level quick wake-up processing of skipping a redundancy self-checking process on the system, entering a system wakeup initialization completion state to execute core module preloading and algorithm component ready processing of preloading a human face recognition core algorithm component on the human face recognition intelligent lock system, and entering a human face recognition module ready state to enable the core module to execute facial feature collection and compare with a local feature library; if the comparison is passed, a power supply self-holding circuit is triggered, and power supply self-holding and unlocking driving linkage processing of maintaining power supply of an unlocking driving unit to complete unlocking and cutting off a power supply of a face recognition unnecessary module is executed on the face recognition intelligent lock system, so that the face recognition intelligent lock system enters a dormant state of unlocking completion and system low consumption.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) and network entity may determine a physical layer (PHY) signature for the network entity to include in one or more wake-up signals (WUSs) transmitted to the UE. The UE may use the determined PHY signature to validate a WUS received during a monitoring occasion. For example, the UE may compare a PHY signature of the received WUS to the determined PHY signature. If the PHY signature of the received WUS matches the determined PHY signature, the UE may wake up in accordance with the WUS. If the PHY signature of the received WUS does not match the determined PHY signature, the UE may remain in a sleep mode. The UE may transmit an indication of an adversarial attack based on the received WUS not including the determined PHY signature or including a different PHY signature.

The invention belongs to the technical field of automobile electronic safety, and particularly relates to an automobile keyless entry and start integrated system based on Bluetooth recognition, which comprises an awakening module, a connection management module, an entry authorization module, a start authorization module and a safety audit module, and is used for awakening an application scene switched to an active authentication mode based on a sleep mode. The problem of continuous high-power-consumption operation of Bluetooth is avoided, meanwhile, quick response is ensured when a user approaches a vehicle, and progressive protection for a Bluetooth recognition scene is formed through multiple security links of physical proximity verification and bidirectional encryption authentication. A vehicle entering authorization instruction is sequentially generated and sent to a vehicle body domain controller, and a vehicle starting authorization instruction is sequentially generated and sent to a vehicle power supply management unit, so that the convenience of Bluetooth keyless entry is reserved, the balance between non-inductive operation and absolute safety is realized, and closed-loop optimization is executed in combination with complete authentication failure auditing, so that the system has a self-iteration capability.

The invention provides a self-cleaning control method and device for an air conditioner, a storage medium and a program product, and the method comprises the steps that after the air conditioner enters a sleep mode, the air conditioner is controlled to enter a refrigeration condensation stage, so that condensation is formed on the surface of an indoor heat exchanger of the air conditioner; when the current moment reaches the preset moment and the temperature difference value between the indoor environment temperature and the set temperature of the air conditioner is smaller than or equal to a preset temperature difference threshold value, the air conditioner is controlled to enter a refrigeration frosting stage; and when it is detected that the temperature of the indoor heat exchanger meets the preset defrosting execution condition, a defrosting stage is started, non-reversing defrosting is conducted by controlling the rotating speed of an inner fan, the frequency of a compressor, the opening degree of a throttling device and the rotating speed of an outer fan, and self-cleaning of the air conditioner is achieved. According to the scheme provided by the invention, air conditioner self-cleaning can be carried out without specially consuming time.

The invention discloses a control method of a vehicle-mounted oxygenerator, a vehicle and a computer storage medium, and relates to the technical field of vehicle control, which comprises the steps of identifying whether the vehicle is in a sleep mode or not, detecting whether vehicle doors and windows are closed or not, detecting whether the vehicle idles or not, and detecting whether an air conditioner is closed or not. According to the method, whether an oxygen deficit risk exists in a vehicle is judged by detecting the oxygen deficit risk condition, after the oxygen deficit risk condition is detected, the power supply connection state and the working state of a vehicle-mounted oxygen generator are further monitored, a corresponding working strategy is executed according to the working state to control the oxygen generator to work, and comprehensive judgment and control are conducted based on the overall state of the vehicle. The vehicle-mounted oxygen generator can be started or stopped at a proper time, the linkage flexibility and practicability of the vehicle and the vehicle-mounted oxygen generator are improved, and oxygen supply and safety are better guaranteed when a user sleeps in the vehicle.

The invention discloses a sleep control method for an intelligent air conditioner, a medium, equipment and the intelligent air conditioner, and relates to the technical field of air conditioners. The method comprises the following steps: acquiring indoor environment temperature detected by a temperature sensor, indoor environment brightness detected by a photosensitive sensor, an indoor personnel detection result of a radar and an indoor sound data acquisition result of a voice sensor; when the intelligent air conditioner is not in the sleep mode, whether the intelligent air conditioner is controlled to enter the sleep mode or not is judged according to at least one of the indoor environment brightness and the indoor sound data collection result; and when the intelligent air conditioner is in the sleep mode, sleep control is conducted on the intelligent air conditioner according to at least one of the indoor environment temperature, the indoor environment brightness, the indoor person detection result and the indoor sound data collection result. Therefore, sleep control over the intelligent air conditioner can be achieved.

The invention discloses an intelligent sleep monitoring and air conditioner linkage control method and system based on a radar and a photosensitive device, a terminal product and a storage medium. The method comprises the steps that a voltage value is obtained and converted into an illumination value; when the illumination value is larger than a preset illumination threshold value, the air conditioner is in a bright state, whether a person exists in a target detection area or not is detected through a millimeter-wave radar module, if yes, whether the human body is in a micro-motion state or a static state or not is monitored and maintained for a first preset time or longer, and if yes, the air conditioner is controlled to start a sleep mode; and when the illuminance value is not larger than the preset illuminance threshold value, the air conditioner is in a dark state, whether a person exists in the target detection area is detected, if yes, whether the human body is in a micro-motion state or a static state is monitored and maintained for a second preset time or longer, and if yes, the air conditioner is controlled to start a sleep mode. By controlling the different operation modes of the air conditioner in a linkage mode, the purposes of intelligently adjusting the air conditioner and saving energy are achieved, and meanwhile the sleep quality of a user is improved.

A method for estimating a remaining battery life of a non-rechargeable battery of an Internet of Things (IoT) device. The method includes determining an amount of battery capacity used by the IoT device while the IoT device was operating in an active mode, an amount of battery capacity used by the IoT device while the IoT device was operating in a sleep mode, and an amount of self-discharge of the non-rechargeable battery while the IoT was deployed based on temperatures of environments in which the IoT device was located. The method further includes determining an estimated remaining battery life of the non-rechargeable battery based on an initial capacity of the non-rechargeable battery, the amounts of battery capacity used by the IoT device while the IoT device was operating in the active mode and the sleep mode, and the amount of self-discharge of the non-rechargeable battery while the IT was deployed.

The present disclosure relates to a wake-up function included in a battery management system (BMS) and a BMS wake-up method using the same. The BMS includes a micro-controller unit (MCU) configured to manage a battery, and a protection circuit configured to monitor the battery. When the protection circuit detects an abnormality in the battery while the BMS is in one of a shutdown mode and a sleep mode, the protection circuit outputs a wake-up signal to the BMS.

Apparatuses, systems, and methods for configuring different base station sleep modes / states, including triggering UE adaptation to the different base station sleep mode / states, e.g., in 5G NR systems and beyond. A UE may receive, from a base station, configurations for one or more base station sleep modes, e.g., on a per logical channel (LCH) basis, a per medium access control (MAC) entity configuration basis, a per configured grant (CG) configuration basis, and / or a per downlink (DL) semi-persistent scheduling (SPS) configuration basis. The UE determine, based on the one or more base station sleep modes, a base station sleep mode and determine an uplink transmission adaptation based on the determine base station sleep mode.

The invention discloses a PCIe-based CPU, NPU and GPU interconnection cluster management method, and belongs to the technical field of interconnection cluster management. According to the method, an interconnection link is established through a PCIe switch, and bandwidth is dynamically allocated by means of the link to adapt to task requirements; multi-priority data transmission is supported, and bandwidth resources are distributed in order according to priorities; a multi-element operation mode is configured in advance, and physical and virtual computing power resources are distributed according to needs; and an equipment state monitoring mechanism is established, idle equipment enters a sleep mode, and meanwhile, all transmission links are combed and an optimal path is selected. According to the method, fine scheduling of cluster resources is realized, the bandwidth and computing power resource utilization rate is improved, the adaptation capability to different tasks is enhanced, the orderliness and stability of data transmission are guaranteed, the cluster operation energy consumption is reduced, and efficient and stable operation of the interconnected cluster is facilitated.

Implementations of systems and methods for coordinating the sleep mode of a vehicle processor and coprocessor. The systems and methods may include determining whether each of a plurality of subsystems is in an operational state that permits entering the sleep state, transmitting, from the processor to the coprocessor, a trigger message, and switching the plurality of subsystems into the sleep state. The systems and methods may identify by the coprocessor whether each of the plurality of subsystems has switched to the sleep state, start a first timer with a predetermined time period, and switch the processor and coprocessor to the sleep state within the predetermined time period in response to identifying whether each of the plurality of subsystems has switched to the sleep state.

The invention discloses a CAN bus activity detection and wake-up circuit and method, and belongs to the technical field of CAN bus communication, the CAN bus activity detection and wake-up circuit comprises a CAN bus interface circuit, a signal detection and processing circuit and a controller, the input end of the CAN bus interface circuit is connected with a CAN bus; the signal detecting and processing circuit comprises a voltage comparator, the non-inverting input end and the inverting input end of the voltage comparator respectively receive a CANH signal and a CANL signal which are electrically isolated by the CAN bus interface circuit, and the output end of the voltage comparator is connected to a wake-up pin of the controller; the controller is used for monitoring the level state of the wake-up pin, and when the level of the wake-up pin is in an effective state, the electronic equipment is controlled to be switched from the sleep mode to the normal working mode. By introducing an electrical isolation and voltage difference detection mechanism, the problem of false wake-up caused by common-mode interference or bus noise in the prior art is solved, and reliable wake-up under low power consumption is realized.

A low battery voltage protection method for a microcontroller system and a microcontroller system using the same are provided. The low battery protection method and the microcontroller system are used to prevent continuous battery drain by setting time thresholds and a count threshold. In an embodiment, when a low-voltage power-on reset voltage is not exceeded within a first preset time, the microcontroller system is forced to enter a sleep mode to prevent power consumption by an analog block. In another embodiment, when the low-voltage power-on reset voltage is exceeded, but a reset count of the microcontroller system exceeds a preset value within a second preset time, the microcontroller system is also forced to enter the sleep mode to prevent a digital block from continuously loading data, which could lead to battery failure.

According to the heterogeneous memory management system and method oriented to the sparse hybrid expert model, the medium, the program product and the terminal provided by the invention, the interference of cold data on hot data access delay is eliminated by constructing a double-Bank physical isolation architecture in the physical heterogeneous storage module, so that the bandwidth contention of the cold and hot data is avoided; the cold storage unit adopts a low-power-consumption memory and supports a sleep mode, so that near-zero-power-consumption storage of cold data is realized; in the semantic prefetching unit, the prefetching hit rate is increased to 89% by adopting a cosine similarity matching method, so that a dynamic data migration mechanism with a high hit rate is constructed; and the gating collaborative migration engine triggers data migration, and the calculation continuity of the calculation module is guaranteed through DMA control.

A memory device, can include: a control circuit configured to operate the memory device in one of an active mode, a standby mode, and a sleep mode, where the memory device is configured to receive a command from a host device when in the standby mode; a voltage regulator having an output that provides a supply voltage for accessing contents of memory cells in the memory device, where the voltage regulator is off during the sleep mode and the standby mode, and the voltage regulator is on during the active mode; and a storage element configured to maintain the supply voltage to allow the voltage regulator to be turned off during the standby mode, and at least until the voltage regulator turns on in the active mode and supports the supply voltage.

The invention relates to the technical field of intelligent door locks, and particularly discloses a low-cost and low-delay intelligent door lock device based on an ultra-wideband transceiver, which comprises the ultra-wideband transceiver connected with two antennas facing the inside and the outside of a door respectively and used for distinguishing whether a paired intelligent key is inside or outside the door, the two antennas are respectively defined as an inner antenna and an outer antenna; the communication module is provided with a Bluetooth transceiver and an ultra-wideband transceiver at the same time, an additional antenna is used for Bluetooth communication, and the inner antenna and the outer antenna are used for ultra-wideband communication; the ultra-wideband transceiver is in a low-power-consumption sleep mode when no user approaches, and is awakened after being in communication handshake with a key through Bluetooth when a user appears or approaches. The double-antenna switching is realized in the same data frame, so that the delay caused by switching different antennas by using a plurality of data frames is avoided, the requirement that the delay from the time when a user reaches an effective range to the time when the unlocking is completed is less than 500ms can be met, and the non-sensitive experience of the user is improved.

The present application provides a sleep method for an electronic control unit (ECU), an ECU, a system, and a vehicle. The method is applied to a vehicle comprising a controller area network (CAN) and a gateway, wherein the CAN comprises a CAN bus and an ECU, and the ECU is connected to the gateway via the CAN bus. The method comprises: the ECU receiving a power-off signal from the gateway; the ECU determining the presence of a service process in the ECU; the ECU identifying the type of service being executed by the service process; the ECU determining, based on the service type, that the service is abnormal; and the ECU terminating the service process and executing a sleep mode. In an embodiment of the present application, when a service in the ECU is abnormal, the ECU can terminate the service process and execute a sleep mode, thereby reducing vehicle power consumption and conserving vehicle battery power.

Methods, systems, and devices for wireless communication are described. Techniques described herein relate to a user equipment (UE) that may include a wake-up radio in addition to a main radio to monitor a wake-up signal when the UE is in a sleep mode. The wake-up radio receiver may use less power than the main radio. In some examples, a first UE may indicate to a wireless node (e.g., a control sidelink UE or a network entity) that the UE is capable of transmitting a wake-up signal to a second UE. In such examples, the wireless node may send a wake-up signal intended for the second UE to the first UE based on the capability report. The first UE may relay the wake-up signal to the second UE. In response to receiving the wake-up signal, the second UE may wake up the primary radio of the second UE for communication.

The invention relates to the technical field of wireless communication, and discloses a BLE (Bluetooth Low Energy)-based ad hoc network technology implementation method, which comprises the following steps of: acquiring a gateway and sub-equipment; starting an uplink network construction process; determining a stable connection link for each sub-device in the uplink network; if the data transmission succeeds, the connection is disconnected and dormancy is entered, otherwise, the data is stored and retransmitted regularly, and a reconfiguration network is started after retransmission identification; starting a downlink network construction process; according to a data transmission demand of a downlink network, the gateway transmits a control instruction to a target sub-device step by step, if the transmission fails, retransmission is initiated, and if the retransmission fails, the network is reconstructed; the network communication distance is expanded; and judging the stability of the uplink network and the downlink network, if not, triggering a network reconstruction process, and re-scanning and constructing the uplink network or the downlink network. The network formed by the method is stable, active uploading and active issuing are both considered, the problems of long link and slow communication are solved, and a new networking network can be quickly formed after the network is changed.

The invention relates to the technical field of new energy, in particular to a low-power-consumption control method, direct-current energy storage equipment, a system and a storage medium. The method comprises the following steps: starting a wireless communication module and a first timer after the direct current energy storage equipment is powered on, and controlling the wireless communication module to be powered off when the first timer reaches a first online duration; when it is detected that the battery of the device is continuously in a non-charge-discharge state, the MCU is controlled to enter a deep sleep mode, an activation source or a timed wake-up moment is periodically detected through the RTC module, if the activation source exists, the MCU is controlled to exit the deep sleep mode, and if the timed wake-up moment is reached, the MCU is controlled to exit the deep sleep mode; if yes, the MCU is controlled to quit the deep sleep mode, the wireless communication module and the second timer are started, and when the duration of the second timer reaches the second online duration, the wireless communication module is controlled to be powered off. According to the method provided by the invention, the power consumption of the direct-current energy storage equipment is remarkably reduced, the network resources are optimized, and the response reliability is improved.

The invention discloses an LVDS (Low Voltage Differential Signaling) type daisy chain communication method based on effective signal detection, which relates to the technical field of communication, and comprises the following steps: S1, setting acquisition nodes, and connecting all the acquisition nodes in series by using a differential LVDS link to form a daisy chain topological structure in a grading manner; s2, keeping the transceivers in the daisy chain topological structure in a sleep mode and keeping real-time detection; s3, when a high pulse signal is detected, waking up the LVDS module to receive data; and S4, after confirming that the parameters take effect, generating a response packet, returning the response packet to the computer end, returning to a dormant state, and forming a communication transmission energy-saving closed loop. According to the invention, through a mechanism of event triggering and local node participation, the system is awakened when a high-pulse effective signal is detected, so that the power consumption overhead caused by that all nodes are always active in a traditional communication architecture is avoided; the method has the advantages of greatly reducing the average power consumption of daisy chain data communication, improving the overall response rate of the system and reducing the confirmation time delay.

Some aspects of this disclosure relate to apparatuses and methods for implementing mechanisms for configuring Connected Mode Discontinuous Reception (CDRX) and resource allocation. For example. a user equipment (UE) includes a transceiver configured to enable wireless communication with a base station and a processor. The processor is configured to receive, using the transceiver and from the base station, a message indicating whether a downlink (DL) voice packet is to be transmitted to the UE. The processor is further configured to determine whether the UE is transmitting an uplink (UL) voice packet. In response to the message indicating that no DL voice packet is to be sent to the UE and a determination that no UL voice packet is to be transmitted to the base station. the processor is configured to refrain from starting a discontinuous reception (DRX) timer and to transition the UE to a sleep mode.

The invention relates to the technical field of power management, in particular to a two-way switching LDO framework suitable for an MCU sleep mode. Comprising a main LDO, an auxiliary LDO and a current detection circuit. The main LDO comprises a second error amplifier and a second adjusting tube; the auxiliary LDO comprises a first error amplifier and a first adjusting tube; the main LDO and the auxiliary LDO share the same voltage feedback network, and the voltage reference and the feedback output of the voltage feedback network are connected with the input end of the first error amplifier and the input end of the second error amplifier at the same time. The outputs of the first adjusting tube and the second adjusting tube are short-circuited and then are output to the MCU, and are simultaneously input to the input end of the voltage feedback network; the input end of the current detection circuit is connected with the output end of the first error amplifier, and the output end is connected with the current switch of the second error amplifier. The architecture provided by the invention meets the requirements of low power consumption and quick response of the MCU, and the power consumption of the architecture is not influenced by the power consumption of the MCU.

The invention provides a direct current charging pile and a low standby power consumption control method thereof, and belongs to the technical field of electric vehicle charging, a multi-stage dormant state machine is constructed, and the state machine comprises a full function mode, a light sleep mode, a deep sleep mode and a network intermittent wake-up mode; the working modes of the state machine are automatically switched in different scenes, and optimal balance between power consumption and response speed is achieved.

The invention belongs to the technical field of vehicle control, and particularly relates to a real-time travel segmentation method based on a TBOX, and the method comprises the steps: obtaining a real-time signal of a vehicle setting position for a CAN bus through a vehicle-mounted TBOX; the TBOX continuously detects a vehicle power-on signal as a travel triggering condition, and generates a unique travel ID at the same time; synchronously acquiring GPS position data, CAN bus vehicle signals and IMU inertial measurement data in real time; a vehicle power-off signal is continuously monitored, latest effective position information is reserved, and when the power-off signal is monitored, the geographic position of the position is obtained, and the scene type is output through the scene classifier; when the vehicle is not powered on, the TBOX enters a low-power-consumption sleep mode. According to the technical scheme, scene recognition is achieved by fusing multi-dimensional parameters such as the geofence and the parking duration, the differential judgment threshold value is set, and the problem that the travel division precision is insufficient due to a traditional fixed threshold value is solved.

A utility sensor module includes one or more sensors, a communication link, and an electronic processor. The electronic processor is configured to broadcast an advertisement signal associated with a communication protocol for a first transmission time. The advertisement signal is configured to cause an external device to transmit a response message. The electronic processor is further configured to determine whether the response message is received within a predetermined time period, and in response to determining that the response message was not received within the predetermined time period, operating in a modified sleep mode. Operating in the modified sleep mode includes modifying the operation of the communication interface to broadcast the advertisement signal at a periodic interval, such that the advertisement signal is only broadcast at the periodic interval for a second transmission time.