16 results about "Energy efficient transmission" patented technology

The invention discloses an energy-saving optimization method and system for an electric energy meter. Relates to the technical field of power systems. The technical problem that an existing electric energy meter is large in energy consumption is mainly solved. The method mainly comprises the following steps: initializing a cache component in the electric energy meter in a wireless communication mode; after the cache component finishes initialization, acquiring a period duration configured for the electric energy meter and period electric quantity data acquired according to the period duration, and determining energy-saving acquisition time based on the period duration and the period electric quantity data; determining low-energy-consumption starting time and low-energy-consumption starting frequency of the low-energy-consumption state based on the energy-saving acquisition time, and determining high-energy-consumption starting time and high-energy-consumption starting frequency by combining the low-energy-consumption starting time, the low-energy-consumption starting frequency and the period duration; and sending an energy-saving acquisition instruction to the electric energy meter based on the low-energy-consumption starting time, the low-energy-consumption starting frequency, the high-energy-consumption starting time and the high-energy-consumption starting frequency so as to drive the electric energy meter to perform energy-saving transmission. The method is used for energy-saving optimization of the electric energy meter.

Various techniques are provided for determining, by a network device, a number indicating a quantity of user equipment (UE) that are in an idle state, determining, by the network device, whether the network device can operate in an energy-saving transmission mode based on the number indicating a quantity of UE that are in an idle state, in response to determining the network device can operate in the energy-saving transmission mode using, by the network device, energy-saving transmissions, and notifying, by the network device, at least one UE being served by the network device of the energy-saving transmissions.

The application discloses a DC-DC-based non-contact power supply series constant current control algorithm and belongs to the field of non-contact power supply, and the control algorithm has the following specific steps: I, a dynamic mathematical model of the non-contact power supply system is established, and the current change trend at multiple future time points is predicted in each sampling period; II, according to the load prediction value and the working point of the resonant network, the compensation amount is calculated, the external disturbance is responded, the current signal is collected in real time, and the error is corrected through closed-loop adjustment; the application can significantly improve the track current tracking accuracy, avoid the lag and overshoot of the traditional PI / PID under dynamic disturbance, reduce the artificial threshold setting, improve the adaptability and fault tolerance capability under complex working conditions, ensure the energy efficient transmission, reduce the current impact and switching loss when transient switching or load mutation occurs, reduce the device stress and improve the system reliability.

The invention relates to energy efficient transmission of RF signals. An apparatus is provided for transmitting a set of radio frequency (RF) signals using a transmitter. The transmitter includes a set of power amplifiers for amplifying RF signals, and a set of antennas for transmitting the amplified RF signals. The apparatus comprises at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to perform: determining a transmission configuration for energy efficient transmission of the set of RF signals, the transmission configuration indicating, respectively, a set of transmission paths for transmitting the set of RF signals, each transmission path includes a respective power amplifier of the set of power amplifiers and a respective antenna of the set of antennas.

The utility model provides a kind of SF6 circuit breaker novel transmission structure, it is related to the circuit breaker technical field under 35kV voltage grade.The utility model includes operating mechanism, transmission assembly and install in the linkage transmission structure of frame, the structure is by main connecting plate, double forked arm, spring hanger arm, spline shaft, cross shaft, output arm, main connecting rod assembly, with the spring of hanging plate etc., form the transmission chain of up and down cross arrangement, realize energy efficient transmission and automatic reset, improve insulation performance, reduce power consumption and simplify maintenance, improve the reliability and service life of circuit breaker.

The invention provides an energy-saving transmission method of buoy monitoring equipment, which belongs to the technical field of electric digital data processing, and comprises the following steps of: classifying ocean data, dividing the data into large, medium and small change sections, and setting corresponding time windows; segmenting the data based on a time window, calculating the similarity between a window data segment and a classic data segment, replacing the high-similarity data with an identifier, and calling a marine data optimization function for dimensionality reduction of the low-similarity data; secondly, feature extraction and compression are carried out through a pre-trained OceanFormer model, a multi-head attention mechanism is adopted by OceanFormer, and dynamic adjustment can be carried out according to data characteristics; finally, the processed data are transmitted to a receiving terminal through a low-power-consumption protocol, the receiving terminal restores the identifier according to data packet header information and reconstructs complete ocean data, and balance of energy consumption and data integrity is achieved.

This document discloses a solution for modulating and demodulating signals transferred over a communication channel. According to an aspect, a method comprises: storing a database for mapping rules for mapping a block of N bits into M modulation symbol phase transitions, wherein a phase transition between consecutive modulation symbols is limited to less than or equal to ∓π / 2, wherein M is smaller than N, and wherein M is the smallest number required for realizing 2N different phase-transition combinations; determining an initial phase; acquiring a block of N bits and modulating the block of N bits into M phase symbol transitions from the initial phase by using bit values of the block of N bits and the mapping rules, thus acquiring M modulation symbols; performing said determining, acquiring, and modulating for further blocks of N bits, thus acquiring a sequence of K modulation symbols; allocating the sequence of K modulation symbols to sub-carriers of a multi-carrier symbol and causing transmission of the multi-carrier symbol over a radio interface.

The present subject matter relates to an apparatus for transmission of a set of radio frequency (RF) signals using a transmitter. The transmitter comprises a set of power amplifiers for amplification of RF signals and a set of antennas for transmitting the amplified RF signals. The apparatus comprises at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus to perform: determining a transmission configuration for an energy efficient transmission of the set of RF signals, the transmission configuration indicating a set of transmission paths for transmission of the set of RF signals respectively, each transmission path comprising a respective power amplifier of the set of power amplifiers and a respective antenna of the set of antenna.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, to a base station during a connection establishment procedure, a UE message indicating support for a plurality of connected modes, where the plurality of connected modes includes a first connected mode. The UE may receive, based at least in part on the UE message, a configuration message from the base station configuring resources for the UE to use while operating in the first connected mode. The UE may perform a grantless communication with the base station while operating in the first connected mode and using the configured resources.

This invention discloses an energy-saving optimization method and system for electricity meters, relating to the field of power system technology. It primarily addresses the technical problem of high energy consumption in existing electricity meters. The main components include: initializing a buffer component in the electricity meter via wireless communication; after initialization, acquiring the configured cycle duration of the electricity meter and the cycle-based energy consumption data, and determining the energy-saving acquisition time based on the cycle duration and energy consumption data; determining the low-energy-consumption start-up time and frequency based on the energy-saving acquisition time, and determining the high-energy-consumption start-up time and frequency based on the low-energy-consumption start-up time, low-energy-consumption start-up frequency, and cycle duration; and sending energy-saving acquisition commands to the electricity meter based on the low-energy-consumption start-up time, low-energy-consumption start-up frequency, high-energy-consumption start-up time, and high-energy-consumption start-up frequency to drive the electricity meter to perform energy-saving transmission. This method is used for energy-saving optimization of electricity meters.

The application belongs to the technical field of water surface operation, and specifically discloses a multifunctional robot for water surface operation, which comprises a ship body, a one-way valve type grabbing mechanism, a self-resistance reduction transmission device and a collection reminding device. The one-way valve type grabbing mechanism is designed to be opened and locked, thereby ingeniously solving the contradiction between the collection efficiency and the water flow resistance and realizing efficient gathering. The water inlet contraction and water outlet extension of the baffle on the transmission belt are adaptively switched, thereby significantly reducing the energy consumption. In combination with the pure mechanical full-load pop-up reminding device, the false alarm risk of the electronic sensor in the humid environment is completely avoided. The whole system structure is linked and connected, and the low-resistance collection, energy-saving transmission and reliable early warning are realized in a pure mechanical mode, thereby achieving the integrated technical effect.

A power supply assembly including a source connection system including a primary source connection, a load connection, a converter system including at least one converter controllable for reactive power compensation, an energy saving transfer route connecting the primary source connection electrically to the load connection, and bypassing the converter system, and a control system. The control system is adapted to provide an efficiency optimization operation including transferring energy through the energy saving transfer route, and controlling the converter system according to an optimal operating scheme that optimizes efficiency of the power supply assembly while keeping reactive power drawn from the source connection system within a required range, wherein the optimal operating scheme defines an optimal combination for the converters used for reactive power compensation such that each of the converters operates in a predetermined optimal efficiency range thereof.

The present application relates to the field of belt transmission technology, and specifically discloses a belt conveyor energy-saving control system and method. The system includes: a load detection center for segmented collection and detection of goods on the belt conveyor using computer vision, and obtaining load status information by comparing segmented detection results; a frequency conversion control center for collecting the parameters of the current frequency converter, reporting the collected frequency converter parameters to the service terminal, and adjusting the frequency converter parameters according to the frequency conversion instructions sent by the service terminal; the service terminal for calculating and obtaining the frequency conversion parameters based on the current belt conveyor load status fed back by the load detection center, and generating frequency conversion instructions in combination with the reported frequency converter parameters. The present application captures the changing state of the load on the belt conveyor by segmented detection of the load on the belt conveyor, and adjusts the frequency conversion parameters according to the changing state of the load, thereby achieving energy-saving transmission of the belt conveyor.

The application relates to an energy-saving transmission method of gateway data and a related device. The method comprises the following steps: acquiring various types of gateway data uploaded by various sensing devices in a current building space; an AI model trained based on operation and maintenance characteristics of the current building space is deployed locally in a communication gateway; according to the AI model, the operation and maintenance levels of the various types of gateway data in the building operation and maintenance process of the current building space are determined, and the various types of gateway data corresponding to the same operation and maintenance level are integrated into corresponding gateway data sets; according to the operation and maintenance levels corresponding to the gateway data sets, the transmission strategies corresponding to the gateway data sets are determined, and the gateway data sets are uploaded to a preset cloud platform according to the corresponding transmission strategies. The method can avoid low-value data from occupying communication bandwidth and gateway energy consumption, and thus the data transmission efficiency and energy-saving demand are considered.