21 results about "Dynamic power control" patented technology

The invention relates to a dynamic power regulation and control method and system for an electric vehicle charging pile, and the method comprises the following steps: S1, based on the real-time operation data of a charging pile cluster, employing a multi-source information fusion technology, collecting a power grid voltage fluctuation signal through a Hall sensor disposed at a charging pile end, and combining with the battery charge state data transmitted by a vehicle-mounted BMS, and eliminating noise interference by using an improved Kalman filtering algorithm, and realizing multi-dimensional data fusion by using a D-S evidence theory to generate a multi-source working condition feature set. The method has the advantages that the power grid voltage fluctuation signal and the battery charge state data are integrated through the multi-source information fusion technology, the improved Kalman filtering algorithm is adopted to eliminate noise interference, multi-dimensional data fusion is achieved in combination with the D-S evidence theory, the integrity and reliability of working condition feature extraction are remarkably improved, and the working condition feature extraction efficiency is improved. And the LSTM-ARIMA hybrid prediction model is utilized to synchronously process the nonlinear features and the periodic rules.

The invention discloses a distributed power supply-based control method, system, equipment and medium, and relates to the technical field of distributed power supply control, and the method comprises the steps: collecting and preprocessing the real-time data of a distributed power supply, training a prediction model to optimize parameters, obtaining a load demand and power generation capability estimation, and adjusting the power based on a prediction result. Distributing active power according to a total load and a power contribution factor; setting a target power factor to calculate reactive power; monitoring voltage and load changes of a power grid in real time; dynamically selecting and adjusting a reactive power control strategy; and visualizing the running state and backing up the data to a database. Through closed-loop cooperation of data prediction, dynamic power control, value-oriented intelligent operation and maintenance and visual management, the stability, electric energy quality, operation and maintenance economy and management efficiency of the distributed power supply system are comprehensively improved.

The invention relates to a dynamic power control method and system for a storage and charging all-in-one machine, and the method comprises the following steps: data collection and monitoring: collecting and analyzing key parameters in real time through multi-source data fusion; dynamic safety threshold calculation: dynamically calculating a safety operation threshold of each subsystem based on real-time data, and ensuring that the system operates in an optimal state; multi-objective optimization control is carried out, an intelligent algorithm is adopted, and an optimal balance point is found among battery safety, power grid stability and charging efficiency; according to a fault processing and redundancy mechanism, a multi-layer fault response system is established, and the safety and continuity of the system under the abnormal working condition are ensured; according to the energy efficiency management and strategy optimization, long-term performance improvement and economical efficiency optimization are achieved based on a data closed loop, and the problem that potential safety hazards are caused due to the fact that a traditional storage and charging all-in-one machine system neglects the common influence of multiple factors such as SOC, temperature and power grid loads is solved.

The present disclosure relates to a mobile agent in an RFID system with reduced power consumption and increased localization capabilities. In one aspect, a relay circuit attached to a mobility mechanism such as a drone or robot is in communication with an RFID reader and a backend host computer. The mobile agent moves around a warehouse, for instance, in which landmark RFID tags are arranged. The mobile agent can transmit with an adjustable power to identify a single landmark tag and associate it with object tags of one or more objects within the range of the mobile agent. The host computer can communicate with the mobile agent to instruct it to adjust its power when multiple landmark tags are detected.

In a method of operating a storage system, a plurality of storage devices enter a first power state in which respective power consumptions of a plurality of storage devices are less than a reference power consumption. The plurality of storage devices output a plurality of operating state signals representing operating states of the plurality of storage devices. When a power consumption increasing event occurs on at least one of the plurality of storage devices and when at least one of the plurality of operating state signals is changed, at least one of the plurality of storage devices receives a power state setting signal. Based on the power state setting signal, the first power state of at least one of the storage devices is changed such that the respective power consumptions of at least one of the plurality of storage devices is greater than or equal to the reference power consumption.

The invention discloses a multi-channel power conversion system based on partial discharge state feedback, and particularly relates to the field of power electronics, which comprises a multi-channel power conversion module, a partial discharge monitoring module, a signal processing and anti-interference module, a state evaluation and decision module, a dynamic power control module, a data communication and management module and a predictive maintenance module, partial discharge characteristic parameters are extracted by monitoring partial discharge signals of each power unit in an insulation state in real time, an insulation health state is dynamically evaluated according to the partial discharge characteristic parameters, a corresponding power control strategy is generated, and finally active distribution and optimization of power are achieved by adjusting working parameters of each power conversion unit. According to the multi-channel power conversion system, the crossing from passive protection to active health management is realized, the insulation aging process can be effectively inhibited, and the reliability, the service life and the operation economy of the multi-channel power conversion system are improved.

The application provides a multi-scene intelligent frequency converter based on double optimization control and a use method thereof, comprising: a communication module, used for acquiring environment information corresponding to a current scene; a control module, used for generating a control voltage by using intelligent energy utilization control strategy based on grid input frequency and environment information; a frequency conversion module, used for adjusting output frequency based on the control voltage and sending the output frequency to a load under the scene; and the control voltage is used for adjusting the output frequency of the frequency converter by dynamic power control and power ramp rate control on the frequency converter; the communication module is added to the existing frequency converter to acquire external environment information; the control module is designed to perform dynamic power control on the frequency converter based on external grid input frequency and power ramp rate control on the frequency converter based on environment information, realize interaction between the frequency converter and the load and a regional control center system, and change the status that the existing frequency converter can only realize single frequency conversion by using initial parameters.

The invention discloses a dynamic power control method, system and equipment for a communication module driven by a power supply state, and belongs to the field of power systems.The method comprises the steps that power parameters of the communication module are collected, the power parameters are analyzed through a trend recognition function, and when it is recognized that the power supply state is abnormal, a communication control instruction is generated and responded; a transmission time window is obtained according to task priorities, link bandwidths and energy storage parameters in the queue, data of all tasks are sequentially transmitted in the window according to the task priorities, and when all data communication is completed or the time window ends, a power control instruction is generated and responded; according to the method, the current energy storage parameter and the current power supply power are obtained, calculation is carried out through the adaptive mapping function, and the power mode is determined and switched to realize dynamic power control of the communication module, so that the operation robustness of the communication module in a voltage fluctuation scene can be remarkably enhanced by implementing the method, and the reliability of the communication module is improved. And timely transmission of key tasks and data is ensured.

Methods, systems, and devices are described that support techniques for wireless communications using multiple radio access technologies (RATs). Described techniques provide for dual-connectivity (DC), carrier aggregation, or both, in which different carriers are provided via different RATs. A multi-RAT DC configuration may include separate network entities that provide communications for different cell groups for different RATs, where dynamic power control may be implemented across RATs. Additionally, or alternatively, a multi-RAT carrier aggregation techniques may provide separate component carriers configured for carrier aggregation, where different component carriers that use different RATs. Combinations of DC and carrier aggregation may be provided, in which a cell group of a DC configuration may include multiple component carriers in a carrier aggregation scheme.

The invention discloses a low-cost dynamic power control temperature control system based on a PD protocol, which belongs to the technical field of x, and comprises a power supply module used for power supply work of the whole equipment, and a voltage regulation module comprising a PD protocol chip and an LDO (low dropout regulator), the PD protocol chip and the input end of the LDO (low dropout regulator) are connected with the power supply module through the power harness. The TEC module has the beneficial effects that accurate voltage regulation is realized at a power supply source through the PD protocol chip, continuous and stable direct-current voltage is loaded at two ends of the TEC module instead of a PWM (Pulse Width Modulation) high-power switching signal in the prior art, suppression is performed from the root of electromagnetic radiation generation, EMC rectification components such as an electromagnetic shielding cover, a common-mode inductor and a filter capacitor do not need to be additionally arranged, and the cost is reduced. Therefore, the harsh electromagnetic compatibility test requirement can be easily met, the compliance cost and the design period of the product are greatly reduced, and the long-standing EMC design difficulty in the industry is solved.

The invention discloses an Internet of Things node energy consumption optimization method and system based on edge computing, and relates to the technical field of edge computing. The method comprises the steps that an edge gateway is dynamically connected with Internet of Things nodes, and an energy consumption portrait is constructed; regularly collecting real-time states of nodes and to-be-executed task data; performing energy consumption balance optimization to generate an optimized data set; training a deep reinforcement learning decision maker by using the data set to generate a task unloading decision; and mapping the decision into a dynamic power control instruction, and jointly issuing the dynamic power control instruction to a node for execution to realize energy consumption optimization. The technical problems that the service life of nodes is shortened and the overall energy efficiency of a system is low due to the fact that energy consumption distribution of existing Internet of Things nodes is not uniform in a complex scene and task unloading and power control are lack of collaboration are solved, and self-adaptive joint optimization of task unloading and power control of the Internet of Things nodes is achieved through combination of edge calculation and deep reinforcement learning. Node energy consumption is balanced; the overall energy consumption is reduced; and the service life of the Internet of Things system is prolonged.

This utility model relates to the field of dehydration and drying technology, specifically to a microwave rapid dehydrator with multi-band dynamic power control. It includes a dehydration chamber, a control panel, and a multi-band microwave generator. The control panel is mounted on the side of the dehydration chamber, and the multi-band microwave generator is installed inside the chamber. A storage tray is installed at the bottom of the dehydration chamber, and the tray is mounted inside via a rotating shaft. A ring-shaped rack is located at the bottom of the tray, and a sealing cover is provided on the dehydration chamber. This utility model, through multi-band microwave dynamic control, adapts to the different dehydration stages of materials, improving microwave energy uniformity and moisture removal efficiency, as well as increasing dehydration efficiency and automation level, while reducing energy consumption.

The present disclosure provides a method of operating a memory system for dynamic power control and a memory system performing the method. In a method of operating a storage system, a plurality of storage devices enter a first power state in which power consumption of each of the plurality of storage devices is less than a reference power consumption. The plurality of storage devices output a plurality of operation state signals representing operation states of the plurality of storage devices. At least one of the plurality of storage devices receives a power state setting signal when a power consumption increase event occurs on the at least one of the plurality of storage devices, and when at least one of the plurality of operation state signals changes. Based on the power state setting signal, a first power state of at least one of the storage devices is changed such that a power consumption of each of the at least one of the plurality of storage devices is greater than or equal to a reference power consumption.

The invention provides a wireless transceiving device of a mobile communication terminal, and relates to the technical field of mobile communication. The wireless transmitting and receiving device of the mobile communication terminal comprises an antenna module, a radio frequency transmitting and receiving module, a baseband processing module, an interference suppression module, a power management module and a synchronous calibration module, the antenna module is electrically connected with the radio frequency transmitting and receiving module and used for receiving external wireless signals and transmitting the external wireless signals to the radio frequency transmitting and receiving module, and the baseband processing module is electrically connected with the baseband processing module. And the antenna module is used for receiving a to-be-transmitted signal output by the radio frequency transceiving module and radiating the to-be-transmitted signal to the outside, adopts a multi-band adaptive antenna array and comprises a plurality of radiating antennas, an antenna change-over switch and an impedance matching network. Through modular design, in combination with a self-adaptive interference suppression algorithm, a dynamic power control strategy and a precise channel compensation algorithm, and in combination with a quantitative calculation principle formula, efficient, stable and low-power-consumption transceiving of wireless signals is realized, the practicability and expandability of the device are improved, and the requirements of a new-generation mobile communication system are met.

This invention discloses an intelligent microwave oven power control method and system for defrosting. The method includes controlling a turntable to rotate uniformly one revolution at a first rotation speed when the microwave oven starts the defrosting program at a first power, while simultaneously monitoring the standing wave ratio (SWR) inside the microwave oven cavity in real time at a preset sampling frequency; generating an SWR sequence based on the SWR values ​​corresponding to each sampling point, and calculating a power adjustment coefficient corresponding to each turntable angle; generating a dynamic power control sequence corresponding to each turntable angle based on the power adjustment coefficient and the preset first power; controlling the turntable rotation during the defrosting stage, and calling the corresponding power value in the dynamic power control sequence for microwave emission according to the real-time turntable angle. This solves the problems of low energy utilization and unstable defrosting effect caused by fixed power output and uniform turntable rotation.

The invention relates to the technical field of wireless communication and power transmission, and discloses a wireless charging system and method based on multimode communication, and the system comprises an energy transmitting unit, an energy receiving unit, a multimode communication coordination unit and a dynamic power control unit. The multimode communication coordination unit dynamically selects an optimal communication link through a parallel link pre-establishment and seamless switching mechanism; and the dynamic power control unit accurately regulates and controls the transmitting power through a self-adaptive power mapping algorithm based on the real-time battery state and the coupling coefficient. According to the invention, high efficiency, high stability and high reliability in the wireless charging process are realized, and the service life of the battery is effectively prolonged.

The application relates to the field of mobile communication, and discloses a communication power control method and system based on signal attenuation, which comprises the following steps: dynamically sampling a signal propagation path to obtain a link attenuation state flow; performing cross-time domain sliding correlation analysis on the link attenuation state flow to construct a multi-dimensional attenuation characteristic vector of power regulation; extracting a link quality evolution track according to an adaptive clustering and prediction fusion algorithm based on the multi-dimensional attenuation characteristic vector to detect potential link instability candidate events; demarcating terminal entities and signal coverage ranges corresponding to the link instability candidate events as candidate power adjustment areas to construct a local power control atlas; and based on the local power control atlas, combining a predictive signal attenuation trend and energy consumption to perform intervention judgment on an evolution path of transmission power and generate a dynamic power control scheduling result. The application has the advantages of reducing energy consumption and improving link reliability.

This disclosure provides systems, methods and apparatus for assisting a user equipment (UE) with balancing quality of service (QoS) requirements (such as access latency or reliability requirements) and consumption of high priority network resources (such as for load balancing) when transmitting a random access message (RAM) in a two-step random access channel (RACH) procedure. As a result, the UE may be capable of satisfying QoS requirements for the RAM while reducing an impact of transmission of the RAM on other uplink transmissions. Furthermore, some techniques and apparatuses described herein assist a UE with prioritizing portions of the RAM in different UE operating modes, such as a dual connectivity mode, a carrier aggregation mode, or a supplemental uplink mode. Some techniques and apparatuses described herein employ cross-carrier scheduling, dynamic power sharing, or dynamic power control to achieve these and other performance improvements.

Disclosed in the embodiments of the present application are a communication method, a communication apparatus and a storage medium, which are applied to the technical field of communications and used for reducing cross interference from a downlink to other receiving links. The method in the embodiments of the present application comprises: determining a first transmission power, wherein the first transmission power is determined on the basis of a dynamic power control range corresponding to a first frequency-domain resource under a subband full duplex (SBFD) symbol, the first frequency-domain resource is located within a first adjacent channel range of an adjacent channel of an uplink bandwidth part (BWP), and the upper limit of the dynamic power control range is less than or equal to the transmission power of the first adjacent channel range; and on the basis of the first transmission power, sending a signal to a first terminal device on the first frequency-domain resource. In the embodiments of the present application, the upper limit of a dynamic power control range corresponding to a first frequency-domain resource is defined, thereby limiting the power of REs adjacent to a UL subband, and thus improving the frequency-domain isolation capability and reducing base station self-interference caused by a DL subband of a network device to the UL subband.

The present disclosure provides a method, a node and a network device in the wireless network. A method for wireless communication at a node in a wireless network according to the embodiment of the present disclosure includes obtaining initial values of one or more parameters of a dynamic power control model; determining a first optimized result to the initial values of one or more parameters for reducing a loss function, by using environment information of the node; transmitting first information indicating the first optimized result of the one or more parameters to a network device; receiving second information indicating a second optimized result of the one or more parameters for the dynamic power control model from the network device, wherein the second optimized result of the one or more parameters are determined by the network device based at least in part on the first information.