483 results about "Active mode" patented technology

An inertia support control method and apparatus for a grid-forming photovoltaic system. When a grid-forming photovoltaic system needs to be started, a VSC inversion unit can be locked, and a DC / DC boost circuit is switched to a charging mode; real-time monitoring is then performed on a direct-current bus voltage, and when the duration during which the direct-current bus voltage remains at a preset target voltage is greater than a preset target duration, the inversion unit is started, and the boost circuit is switched to a maximum power tracking mode; then, a dispatching requirement of the photovoltaic system can be acquired; and the maximum power tracking mode of the boost circuit is maintained when the dispatching requirement is that power generation takes priority, and the boost circuit is switched to a reserved active mode when the dispatching requirement is that inertia support takes priority. A VSC inversion unit and a DC / DC boost circuit are used to control a photovoltaic system, so that flexible inertia support can be realized on the basis of improving the system stability under weak power grid conditions, thereby improving the stability and reliability of a power system.

A first wireless multi-link device (MLD) may include a transceiver configured to transmit a first frame to a first station (STA) of a second wireless MLD over a first link of a plurality of links after waiting for an amount of time during which the first STA switches from a listening mode over the first link to a frame exchange mode over the first link. The transceiver may determine whether the first STA is in a power save mode or an active mode, and can transmit, in response to determining that the first STA is in a power save mode, a second frame to a second STA of the second wireless MLD over a second link of the plurality of links without waiting for an amount of time during which the second STA switches from a listening mode over the second link to a frame exchange mode over the second link.

The invention relates to a railway material purchasing asynchronous task processing method, device and system, and the method comprises the steps: constructing a six-layer message channel architecture of a purchasing business process, and executing an instruction of deploying a message agent node in an active-active mode for each channel based on the core message middleware of a Kafka cluster; the front-end gateway is instructed to package the purchase event into a binary message body with a transaction ID and a timestamp, and the binary message body is written into a persistent queue after priority labeling is carried out according to a task type label; processing the concurrent tasks by adopting a multi-stage feedback queue scheduling algorithm, and dynamically allocating computing resources based on a thread pool; a maximum retry threshold value is set according to an exponential backoff retry strategy, so that the failed task is automatically transferred into a dead message queue; and dynamically calculating an optimal message routing path based on the supplier portrait and the material classification model, and extracting the order to an exclusive processing queue of the optimal supplier according to Topic dynamic switching of the message queue. According to the invention, the coupling degree is reduced, the system performance is improved, and the fault tolerance is enhanced.

A base station is configured to transmit wake-up signals to a user equipment to wake-up the UE to receive a page from the base station. The base station transmits one or more synchronization signals, wherein the synchronization signals correspond to a wake-up signal (WUS) that is to be transmitted to a user equipment (UE) operating in a paging discontinuous reception (DRX) cycle, wherein the paging DRX cycle includes a paging occasion (PO) and transmits the WUS to the UE during a WUS occasion, wherein the WUS indicates whether the UE is to utilize an active mode or a sleep mode during the PO.

The invention discloses an electricity meter data acquisition method and system based on a DLT698.45-2017 protocol. A dual-mode acquisition mechanism is constructed by expanding an active query communication protocol and a passive monitoring communication protocol in a gateway machine dictionary table, presetting an electricity meter model and data point parameters and developing a message encapsulation and analysis interface. According to the method, data points are grouped and framed according to serial ports and electricity meters, a message sending period is managed through a fixed / temporary sending queue, and PIID automatic self-increasing and FCS dynamic calculation are achieved through a serial port processing thread. The system can generate query messages according to a reading period in an active mode, and can monitor serial port data and filter cross-platform messages in a passive mode. The method can effectively improve the ammeter data acquisition efficiency and accuracy, reduces the system resource consumption, guarantees the data integrity and safety, is suitable for the ammeter data real-time acquisition of a smart power grid and a new energy scene, and is of great significance for the construction and development of the smart power grid.

The invention discloses an automatic driving safety operation system integrating environmental perception and decision reasoning. The system generates and dynamically updates a security risk map covering an operation area by fusing real-time environment perception, historical operation data and traffic management information. On the basis, the collaborative safety decision-making module further carries out behavior modeling and intention prediction on other traffic participants, and in combination with map risks and traffic instructions, a driving strategy is actively adjusted under a dynamic game framework. According to the invention, the safety control is improved from passive response to an active mode of behavior pre-judgment and game dominance, and the safety and reliability of the operating vehicle in a complex environment and the cooperative capability of the operating vehicle and traffic management are obviously enhanced.

A chip-scale mode-locked laser including a cavity including a gain medium for amplifying signal electromagnetic radiation (signal) through stimulated emission, the signal comprising a signal wavelength; and a passive or active mode-locking device to enforce pulse formation in the laser. The mode-locking device includes a thin-film waveguide having a thickness on the order of the signal wavelength so as to confine and guide the signal along the thin-film waveguide, and a material comprising a second-order nonlinear susceptibility to enable active or passive mode-locking of the signal. The mode-locking device leads to generation of pulses of the signal outputted from the mode-locked laser.

A chip-scale mode-locked laser including a cavity including a gain medium for amplifying signal electromagnetic radiation (signal) through stimulated emission, the signal comprising a signal wavelength; and a passive or active mode-locking device to enforce pulse formation in the laser. The mode-locking device includes a thin-film waveguide having a thickness on the order of the signal wavelength so as to confine and guide the signal along the thin-film waveguide, and a material comprising a second-order nonlinear susceptibility to enable active or passive mode-locking of the signal. The mode-locking device leads to generation of pulses of the signal outputted from the mode-locked laser.

This disclosure provides systems, methods and apparatuses for enabling collision mitigation for a user equipment (UE) operating in a dual active mode. In some aspects, the UE may generate a communication for a first subscription in a first time window associated with a first priority for a time domain division pattern with a second subscription. The UE may transmit, using the first subscription, the communication in a second time window associated with a second priority for the time domain division pattern. For example, the second time window associated with the second priority may be a time window in which traffic for the first subscription is prioritized. In some aspects, the UE may select modified periodic intervals for transmissions of a communication to mitigate collisions associated with the time domain division pattern. For example, a transmission time of the periodic communication may be varied (or randomized) over time.

Systems, apparatuses, methods, and computer products for fast wakeup recovery for narrow-band internet of things (NBIOT) systems are provided. The fast wakeup recovery may wakeup a NBIOT device from a sleep mode to an active mode. The fast wakeup recovery may identify a servicing cell for the NBIOT device to synchronize with. The fast wakeup recovery may be based on a coarse timing detection operation using a NPSS and a fine timing detection operation using a NSSS.

A data transmission method is provided. The data transmission method may be applied to an apparatus. The data transmission method may include the following steps. The modem of an apparatus may receive or transmit data packets from or to the host device of the apparatus through a host interface in an event that the modem is in a first mode during the period. Then, the modem may store the data packets in a buffer in an event that the modem is in a second mode during the period. The host interface is in an active mode in an event that the modem is in the first mode, and the host interface is in a low power low-power mode in an event that the modem is in the second mode.

A base station of the embodiment includes first and second wireless signal processing units and a link management unit. The first and second wireless signal processing units are configured to transmit and receive wireless signals using first and second channels, respectively. The link management unit establishes a multi-link with a terminal apparatus using the first and second wireless signal processing units, sets the first wireless signal processing unit as a primary link, and sets the second wireless signal processing unit to a secondary link. When the secondary link is in an active mode and a first condition is satisfied, the link management unit sets the secondary link to the operation pause mode. When the secondary link is in an operation pause mode and a second condition is satisfied, the link management unit sets the secondary link to the active mode.

The invention relates to the technical field of radio frequency, in particular to a radio frequency conversion assembly, and the assembly comprises a baseband processing unit which employs a millimeter wave SoC chip and is used for generating and processing an initial transmitting signal of 79-81GHz and an initial receiving signal of 79-81GHz; the frequency conversion unit comprises an up-conversion subunit and a down-conversion subunit, and the local oscillation synthesis unit is used for generating and providing a local oscillation signal with a fixed frequency; the mode switching and processing system is used for selectively performing down-conversion processing on the echo signal or a target radio frequency signal from an external non-cooperative irradiation source in two working modes and then transmitting the echo signal or the target radio frequency signal to the baseband processing unit; the working mode comprises an active mode and a passive mode.

The invention discloses a multi-stage control method for a lower limb exoskeleton, is applied to the field of exoskeleton robots, and aims to solve the problem that the design control precision is reduced due to the uncertainty of a model in the prior art. According to the controller designed by the invention, in a high-level control layer, a human body training mode is determined by a motion intention of an operator so as to generate a reference gait track; in the middle control layer, a variable admittance controller is designed, and three training modes of human exoskeleton cooperative movement, namely a passive mode, an active mode and a passive-to-active mode, are planned. In a low-level control loop, a method with a radial basis function neural network estimation function and a fixed-time convergence controller with input dead zone compensation are provided so as to ensure that an exoskeleton joint position tracks an expected trajectory output by an admittance loop. In order to avoid the Zeno phenomenon of the designed controller, an event trigger mechanism is used to determine the execution time of sampling and transmitting signals. Finally, the effectiveness of the proposed control strategy is verified through simulation and experimental results.

Systems, devices, and methods for more effectively and accurately determining when a participant in a call or similar form of communications session that has placed their channel into an on-hold state ends the on-hold state, and the call or communication session returns to an active mode. In some embodiments, an on-hold state may be indicated by the playing of music and / or a message on the channel placed into that state.

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.

In one aspect, a method includes using a Wi-Fi module of a computing device to detect that an end-user has entered a monitored environment of the computing device, where the computing device is separate from, and communicatively coupled over an Internet of Things (IoT) network to, a battery-powered IoT device. The method also includes in response to detecting that the end-user has entered the monitored environment of the computing device, causing the IoT device to switch from operating in a standby mode to instead operating in an active mode, where operation in the standby mode comprises a mode in which the IoT device consumes less power than when operating in the active mode.

The application discloses a memory management method and device, a storage system and a computer readable medium, and relates to the technical field of mobile terminals. The method comprises the following steps: determining a target pre-erasing mode in an automatic mode and an active mode. In the automatic mode, the memory automatically performs a pre-erasing operation on the memory. In the active mode, the memory performs a pre-erasing operation based on an instruction sent by the host. A pre-erasing operation is performed on the memory based on the target pre-erasing mode. Therefore, for the automatic pre-erasing mode and the host-triggered pre-erasing mode, one of the two modes can be freely selected to perform a pre-erasing operation in the automatic mode and the active mode, so that the pre-erasing operation is more reasonable.

A method for use in a system including an Ethernet Virtual Private Network (EVPN) core network and a VXLAN data plane, a first gateway device GW1 and a second gateway device GW2 operating in an all-active multihoming mode to interconnect the EVPN core network and VXLAN data plane, is described. The method includes establishing, by the second gateway device GW2, a VXLAN tunnel to a remote VTEP X before traffic is sent by the remote VTEP X and received by the second gateway device GW2, but after traffic is sent by the remote VTEP X and received by the first gateway device GW1. wherein the first and second gateway devices GW1 and GW2 use an anycast IP address as a source address for VTEP X.

The invention discloses a pollutant monitoring system and method guided by turbulence degree of a flow field of a clean room, and aims to solve the problem that the existing monitoring technology lacks self-adaption and active tracking capability. The invention provides an innovative solution aiming at the defects that a fixed point position sensor has a blind area and a robot cannot deal with the change of a dynamic flow field during fixed inspection. The system comprises a mobile robot and a set of calculation and control system with a hierarchical data processing architecture. The remote computer is responsible for complex flow field analysis and decision making, the local industrial personal computer processes original data and executes bottom layer control, the load of the robot is effectively reduced, and efficient, stable and intelligent data transmission is achieved. The core of the method is an intelligent collaborative algorithm guided by the turbulence degree of the flow field. When the system detects that the flow field is disordered, the robot can start headwind search for rapid positioning, then seamlessly switches to disorder degree gradient tracking for accurate tracking, and finally the pollution source is locked. According to the cooperative mechanism of rough positioning and accurate tracking, the hysteresis problem of a traditional method is effectively solved, monitoring is changed from a passive mode to an active mode, and the real-time performance and the accuracy of clean room pollutant monitoring are greatly improved.

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 Internet of Things, in particular to an Internet of Things equipment low-power-consumption communication optimization method and system based on dynamic adaptive scheduling, electronic equipment and a storage medium, and the method comprises the following steps: an equipment layer circularly collects environment data, and generates an original data set; the device layer calculates the variance of the environmental data in the original data set according to the sliding window, and compares the variance with a fluctuation threshold to adjust a device mode; in the active mode, reporting a time interval of data; in the sleep mode, the time interval of data reporting is prolonged; the gateway forwards the compressed data packet and the network load state, and broadcasts the network load state to an equipment layer; and the cloud end optimizes the dynamic parameters through the prediction model, broadcasts the optimized dynamic parameters to the device layer through the gateway, and adjusts the data reporting delay of the device layer in different modes. According to the invention, through combination of a dual-mode communication mechanism and a dynamic adjustment strategy, equipment energy consumption can be reduced, and network throughput can be improved.

The invention relates to a sweep frequency optical frequency comb generation system and a generation method. Fourier mode locking is realized through a Fourier mode locking photoelectric oscillator system. The sweep frequency optical frequency comb generation system is a closed Fourier mode-locked laser loop which is composed of a first optical amplifier, an optical fiber isolator, a broadband filter, a polarization controller, a thin film lithium niobate optical chip, a signal generator, a dispersion compensation optical fiber and a first optical coupler; and a photoelectric oscillator loop is formed by a second optical coupler, a single-mode delay optical fiber, a second optical amplifier, a photoelectric detector, a narrow-band filter, a low-noise amplifier and an electric power divider. Time domain active mode locking and Fourier mode locking are carried out on the laser resonant cavity at the same time, synchronous modulation of multiple optical frequency comb modes is achieved, sweep frequency optical frequency comb signals with high repetition frequency, high modulation speed, high coherence length and high output power are generated, and tunable optical frequency comb and high-quality high-frequency microwave signal output can be provided at the same time.

The invention is a system for use in detecting and monitoring an occupant in an environment, such as within a vehicle interior. A first sensor detects the presence of the occupant within the environment, while a second sensor confirms the presence of the occupant. Once the presence of the occupant is confirmed by the sensors, the system enters an active mode and monitors the environment for a triggering event. If a triggering event is detected, the end user is notified, and immediate action is taken by the system to abate the triggering event. If the presence of the occupant is not detected by the first sensor and confirmed by the second sensor, the system remains in inactive mode and does not monitor the environment for a triggering event.

The invention discloses an active and passive mode conversion system and method suitable for active and passive rehabilitation training. The system comprises a current collector, an encoder, a motor driver, a direct current motor and a main controller. The motor driver obtains the real-time current and the output real-time rotating speed of the direct current motor according to the output signals of the current collector and the encoder; the main controller determines the active / passive intention or spasm condition of a current user according to the real-time current, the real-time rotating speed information and the speed value information set by the user, calculates a driving instruction and sends the driving instruction to the motor driver; the torque self-adaption driving device is used for driving the direct-current motor to adaptively carry out dynamic switching of active / passive states or enter a spasm protection program through double closed-loop control timely output torque. The method has the effects that the rigidity of the direct-current motor is large in the passive mode when the rotating speed of the motor is smaller than the expected value, the resistance of the motor is adjustable in the active mode when the rotating speed is higher than the expected value, and active and passive intention recognition and spasm detection can be carried out.

The present invention discloses a method and system for collecting meter data based on the DLT698.45-2017 protocol. By expanding two types of communication protocols, active query and passive monitoring, in the dictionary table of the gateway machine, presetting the meter model and data point parameters, developing a message encapsulation and parsing interface, and constructing a dual-mode collection mechanism. The method groups and frames the data points according to the serial port and the meter, manages the message sending cycle through a fixed / temporary sending queue, and uses the serial port processing thread to realize automatic PIID self-increment and FCS dynamic calculation. In the active mode, the system can generate query messages according to the reading cycle, and in the passive mode, it can monitor serial port data and filter cross-platform messages. The present invention can effectively improve the efficiency and accuracy of meter data collection, reduce system resource consumption, and ensure data integrity and security. It is suitable for real-time collection of meter data in smart grid and new energy scenarios, and is of great significance to the construction and development of smart grids.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit, in a cell wake-up occasion associated with a network node that is operating in a power saving mode, a cell wake-up signal (C-WUS) that indicates a latency tolerance priority associated with the UE. The UE may communicate with the network node based at least in part on the network node transitioning from operating in the power saving mode to operating in an active mode. Numerous other aspects are described.

The invention discloses a mode locking system and a mode locking method suitable for microcavity ultrasonic detection. The system comprises a control module, a laser output module and a detection module, the laser output module comprises a single-frequency laser, a temperature adjusting unit, a temperature detection unit and a heat transfer unit, and the detection module is used for detecting a transmission spectral line of the microcavity ultrasonic probe and transmitting the transmission spectral line to the control module; the control module is used for controlling the temperature in the cavity of the single-frequency laser through the linear interpolation data, realizing linear regulation and scanning of the wavelength entering the cavity, and screening and locking the microcavity mode of the microcavity ultrasonic probe; the device is also used for detecting a locking site of a microcavity mode by adopting a temperature detection and light intensity voltage feedback design, and automatically adjusting the temperature in a mode drift process to adjust the wavelength so as to correct the mode drift of the microcavity. The functions of mode scanning, active mode selection and mode locking of the microcavity ultrasonic probe can be autonomously completed, and a stable, reliable, low-cost and high-sensitivity new scheme is provided for ultrasonic detection.

The described embodiments regard methods and apparatus for configuring a wireless device to allow multiple subscriptions to be active simultaneously with data for at least one subscription associated with a SIM / eSIM in a partially active mode to be communicated via a cellular wireless connection established with another SIM / eSIM in a fully active mode. At least one SIM / eSIM is enabled, active, and registered for cellular wireless service and able to be used for establishing a cellular wireless data connection with a cellular wireless network. At least one additional SIM / eSIM is in a partially active state and can be registered for access to select cellular wireless services via the cellular wireless data connection of the at least one SIM / eSIM, where direct cellular wireless network connections via access network portions of cellular wireless networks cannot be established using the at least one additional SIM / eSIM while in the partially active state.

An anti-attack method based on an FPGA comprises the steps that EDA software generates an FPGA configuration file according to codes of a circuit designed by a user, and the FPGA configuration file is stored in a Flash chip; a multi-start identifier is set in the Flash chip; the FPGA is powered on, the multiple start identifiers set in the Flash chip are read, and the original code stream is read according to the multiple start identifiers for configuration; fPGA configuration is completed, and a secret key corresponding to a user design circuit is programmed to a battery backup random access memory through an internal debugging interface; and the FPGA sends reset to the control configurator through an internal debugging interface, reads the multi-start identifier in the Flash chip again, and reads the update code stream for configuration according to the multi-start identifier to realize circuit design by a user. According to the method, multiple times of active configuration are carried out on the FPGA by utilizing the multiple starting functions in the active mode, so that the risk that the FPGA is attacked in the configuration process is reduced, and the function of safely starting the FPGA to operate a user design circuit is realized.