1956 results about "Power level" patented technology

A portable fan includes: an airflow portion and a display screen. The airflow portion includes an air outlet, the air outlet is disposed surrounding a periphery of the display screen. The display screen has an outer surface at least partially curved; and / or the display screen is configured to display at least one of: a remaining battery power level, a current air speed, a battery power level during charging, and an operating state.

The invention discloses an intelligent operation and maintenance management system and method based on a charging pile, and belongs to the technical field of fault early warning, and the method comprises the steps: building a unified time sequence operation data matrix through collecting multi-source state data generated in the operation process of the charging pile; key features are extracted to construct feature vectors, and a multi-classification neural network model is utilized to evaluate a health state; a micro-degradation evolution path model is constructed in combination with the health trend in the continuous observation period, and a fault prediction curve is generated; performing similarity matching on a prediction result and a fault prior curve library, calculating a risk weight coefficient, identifying potential fault nodes and outputting an early warning list; constructing a regional task scheduling graph based on the high-risk pile position, fusing geographic position, power level and residual life information, and optimizing to generate an operation and maintenance path and a resource configuration scheme; according to the method, the fault prediction accuracy and operation and maintenance efficiency of the charging pile can be remarkably improved, and intelligent operation and maintenance and response optimization are realized.

The invention discloses a high-voltage integration and cooperative control method and system for an energy storage system, and the method comprises the steps: carrying out the three-dimensional space coupling design of a high-voltage box and a power conversion system PCS through a topological optimization algorithm according to the power level and heat distribution demands of the energy storage system, and generating a physical layer architecture scheme of a high-voltage all-in-one machine; based on a physical layer architecture scheme of the high-voltage all-in-one machine, constructing a collaborative optimization data set by using a timestamp alignment technology; inputting the collaborative optimization data set into a model predictive control framework to generate dynamically adjusted PCS working parameters; and according to the PCS working parameters, the internal temperature distribution of the high-voltage all-in-one machine is calculated in real time through the three-dimensional thermal field reconstruction model, the rotating speed of a cooling fan and the switching frequency of a power device are dynamically adjusted, and a cooperative control instruction is generated. According to the embodiment of the invention, the integration level and the cooperative control capability of the high-voltage energy storage system can be improved, and the efficient and stable operation of the energy storage system is realized.

The invention provides a high-voltage switch cabinet anti-condensation method based on simulation optimization and a storage medium. A three-dimensional physical structure model of the high-voltage switch cabinet is established in simulation software, material attributes and boundary conditions of all parts are set, steady-state or transient simulation calculation is carried out, and distribution of a temperature field, a humidity field and a flow velocity field in the cabinet is obtained. And on the basis of a simulation result, constructing a dew point distribution matrix, identifying condensation risk areas, and extracting geometric center, volume and temperature and humidity characteristics of each risk area. And the arrangement point and the power level of the heater are determined by calculating the heating power required by each condensation risk area, so that the anti-condensation design of the high-voltage switch cabinet is realized. According to the method, the condensation risk area in the cabinet can be accurately identified, the configuration of the heating power is optimized, and the balance and high efficiency of the anti-condensation effect are ensured. According to the invention, the precision and reliability of the anti-condensation design are improved, the problem of excessive heating or insufficient heating is avoided, and the safe and stable operation of the high-voltage switch cabinet in a complex environment is ensured.

Systems, methods, and devices for automatic signal detection in an RF environment are disclosed. A sensor device in a nodal network comprises at least one RF receiver, a generator engine, and an analyzer engine. The at least one RF receiver measures power levels in the RF environment and generates FFT data based on power level data. The generator engine calculates a power distribution by frequency of the RF environment in real time or near real time, including a first derivative and a second derivative of the FFT data. The analyzer engine creates a baseline based on statistical calculations of the power levels measured in the RF environment for a predetermined period of time, and identifies at least one signal based on the first derivative and the second derivative of the FFT data in at least one conflict situation from comparing live power distribution to the baseline of the RF environment.

The invention discloses a method and an apparatus in a node for wireless communication. A node receives a first information block and a second information block, the first information block indicating at least one full duplex symbol; the first PUSCH is sent in N transmission opportunities, N is an integer greater than 1, and the second information block indicates N; wherein the N transmission opportunities comprise the transmission opportunities of at least one full duplex symbol, and the number of the transmission opportunities is N1; the transmission power of the first PUSCH is equal to a small value of a comparison between a first transmission power and a maximum output power, the maximum output power being dependent on a power level of a sender of the first PUSCH, a first parameter value being used to determine the first transmission power, the first parameter value being dependent on a first factor, the first factor being related to the N1, and a second parameter value being used to determine the first transmission power. The first parameter value is related to a BPRE value of the first PUSCH. The uplink transmission performance is improved.

Various solutions for improvement of network energy saving with user equipment assistive waking-up are described. An apparatus may receive a system information (SI) from a serving network node of a wireless network. The SI indicates a sequence information. The apparatus may transmit a sequence to wake up an energy-saving network node based on the sequence information. The sequence information includes a mapping information for a measured reference signal (RS) and a measured power level.

The invention provides a sound wave generator soot blowing test method and system. The method comprises the steps that an experiment platform for simulating the working environment of a low-low-temperature economizer is built, and a test sample and sensing equipment are installed; setting power output parameters including a fixed power level and pulse power modulation parameter, a soot blowing frequency and phase control parameter, a time period and adaptive adjustment parameter, a sound wave frequency and an airflow velocity and vector control parameter; soot blowing operation is carried out, data are collected through sensing equipment, the soot coverage rate and particle information are obtained through an optical imaging sensor, and the pressure intensity generated by sound waves at the position where soot particles are located is obtained through an acoustic sensor array; calculating cleaning efficiency, and performing adjustment and iterative experiment on parameters according to the cleaning efficiency and data feedback; comprehensive optimization of the soot blowing process of the sound wave generator is achieved, the soot blowing effect of the low-low-temperature economizer is improved, then the overall operation efficiency of energy equipment is improved, the service life of the equipment is prolonged, and the requirements for environmental protection and energy saving are met.

A hose reel includes a frame, a spool supported on the frame for rotation relative to the frame, a motor supported on the frame to provide motive power to the spool, a level wind device supported on the frame to guide a hose during winding and unwinding; the level wind device being selectively linked to the rotation of the spool and including a disengagement clutch for selectively decoupling the operation of the level wind device from the rotation of the spool. The hose reel may be selectively operated to provide a power-out assist during unwinding that provides a power level to the motor less than a threshold power necessary to drive the spool in the unwinding direction.

A method of operating a microgrid system includes: obtaining a microgrid dispatch schedule input that includes a schedule of required electrical energy generation for the microgrid system for a given time period; filtering the scheduled dispatch input and converting the scheduled dispatch input into power levels to meet power demands for required electrical energy generation of the dispatch schedule input for the microgrid system; receiving a current load level for the microgrid system based on one or more electrical loads electrically coupled to the microgrid system; comparing the schedule of required electrical energy generation to an actual required electrical energy generation for the microgrid system; and dispatching one or more electrical assets in real time to meet a difference between the scheduled required electrical energy generation and the actual required electrical energy generation.

A method is performed by a wireless device (900) for physical random access channel, PRACH, transmission triggered by a physical downlink control channel, PDCCH, order. The wireless device receives (100), via radio resource control, RRC, signaling, a configuration for the PDCCH order. The wireless device receives (110) the PDCCH order in accordance with the received configuration. The received PDCCH order includes an indication whether a pathloss offset associated with a transmission configuration indicator, TCI, state is to be used for determining a power level for transmission of a PRACH preamble. The wireless device transmits (120) the PRACH preamble with a power level determined based on the indication included in the received PRACH order.

The invention discloses a method for detecting and displaying the electric quantity of an earphone, which relates to the technical field of electronic equipment and comprises the following steps of: acquiring an analog signal of battery voltage through an ADC (analog-to-digital converter) channel, converting the analog signal into a digital signal, performing digital filtering processing on the acquired signal, matching a preset voltage-electric quantity mapping table according to an updated battery voltage value, and displaying the electric quantity of the earphone according to the preset voltage-electric quantity mapping table. According to the method for detecting and displaying the electric quantity of the earphone, the voltage of a lithium battery of 0-4.2 V is detected through an ADC differential input mode, the sampling frequency is 100-500 Hz, the precision is 10-12 bits, and signal stability is ensured through low-pass filtering. A sliding window mean filtering algorithm is adopted to process signals, fluctuation and noise are effectively eliminated, and voltage changes are dynamically tracked. A deviation comparison mechanism avoids misjudgment and ensures accurate electric quantity detection. The electric quantity mapping table is dynamically adjusted according to the voltage, the battery use duration and the environment temperature, the earphone electric quantity state is accurately reflected, the user experience is improved, and the electric quantity detection stability and accuracy are improved.

A method and system for predicting remaining thermal runtime in an electronic device is disclosed. The method involves obtaining the device's current processor power consumption and temperature sensor reading, selecting a predefined function relating temperature and time at that power level, determining the position of the current temperature on the function, calculating the time position for a shutdown temperature, and determining the time difference to estimate remaining runtime. In some examples, the functions are quadratic curves fitted to empirical time-temperature data collected at different processor power levels. In one embodiment, the prediction is implemented in augmented reality glasses and continuously adjusted using updated power and temperature data. The runtime prediction enables the device to warn the user prior to shutdown and perform graceful shutdown procedures. By accounting for diverse operating conditions, the method provides an accurate estimate of remaining time before the device reaches critical temperatures.

The invention relates to the technical field of permanent magnet synchronous motors, in particular to a method, device and equipment for reducing vibration noise of a permanent magnet synchronous motor, and the method comprises the steps: building an electromagnetic field model, extracting radial electromagnetic force data, carrying out the spectrum and modal analysis, recognizing a main noise source, generating an acoustic power level waterfall plot through the combination of acoustic simulation, and defining an optimization target. The optimal scheme is finally obtained by designing the shape of a rotor hole, adjusting multi-parameter collaborative optimization of stator slot width and air gap length and the like, and iteratively optimizing key variables by adopting an intelligent algorithm. According to the method, the space 0-order quadruplicated frequency noise and 24-order octupled frequency noise are remarkably reduced, the torque fluctuation is inhibited, the output performance is ensured, the method is suitable for large-scale production, and the NVH quality of the motor is effectively improved.

Embodiments are disclosed for Sounding Reference Signal (SRS) uplink power control in case of multiple Transmission and Reception Points (TRPs). In one embodiment, a method in a User Equipment (UE) comprises receiving information that configures first and second SRS resource / resource sets with first and second SRS sequences and first and second sets of power control parameters, respectively, wherein the first and second SRS resources / resource sets are associated with a same set of UE antenna ports. The method further comprises transmitting, at a first instant(s), a first SRS using the first SRS resource / resource set with the first SRS sequence at a first uplink power level determined based on the first set of power control parameters and transmitting, at a second instant(s), a second SRS using the second SRS resource / resource set with the second SRS sequence at a second uplink power level determined based on the second set of power control parameters.

A system is disclosed including an ablation probe that includes an antenna, a display, and a controller in communication with the ablation probe and the display. The controller comprises a memory and is operable to receive first and second inputs indicative of an amount of time and a power level, respectively, to energize the ablation probe, retrieve, from the memory, a predicted ablation zone corresponding to the first and second inputs, display, on the display, an image representative of the ablation probe, and overlay, on the image, the predicted ablation zone, energize the ablation probe at the power level, and dynamically overlay, on the image, a progressive ablation zone based on the ablation probe being energized, wherein a size of the progressive ablation zone is retrieved from the memory based on the amount of time the ablation probe has been energized at the power level.

The invention discloses a low-power-consumption data transmission method for a low-orbit satellite internet-of-things terminal, and relates to the technical field of satellite communication, and the method comprises the steps: calculating an overhead time window through employing a satellite ephemeris and a terminal GNSS coordinate, and introducing atmospheric refraction and movement position correction; determining a wake-up advance containing equipment preheating and error compensation, and waking up the terminal before the window; the battery voltage is collected, and three strategies of band cascade coding, compression and error correction sending and only data abstract sending are divided according to the electric quantity; receiving satellite dynamic energy factors to adjust transmitting power and the number of data packets; and after completion, entering dormancy, and only leaving a low-power-consumption clock to maintain a time sequence. Through accurate awakening, hierarchical transmission, double-clock calibration and self-learning, the terminal endurance is prolonged, the access success rate and the link utilization rate are improved, and power consumption and reliability are balanced.

A power amplifier includes a 3-dB coupler which splits a first signal into a second signal and a third signal lagging behind the second signal by 90°, a carrier amplifier, a peak amplifier, and a hybrid coupler. The carrier amplifier amplifies the second signal and outputs a fourth signal when the first-signal power level is a first level or higher. The peak amplifier amplifies the third signal and outputs a fifth signal when the first-signal power level is a second level or higher, which is higher than the first level. The hybrid coupler includes a first transmission line receiving the fourth signal at its first terminal, and a second transmission line receiving the fifth signal at its first terminal and being open at its second terminal. The first transmission line outputs, from its second terminal, an amplified first signal obtained by combining the fourth and fifth signals.

The invention relates to a high-performance cooperative sensing and resource allocation method suitable for hybrid spectrum sharing, which belongs to the field of signal processing, and comprises the following steps: carrying out system modeling and defining key parameters; an energy efficiency optimization model under multi-dimensional constraints is obtained by constructing a target function and multi-dimensional constraint conditions; designing a cooperative sensing mechanism for resisting control channel errors through an improved hard decision fusion rule; the target function is converted into a parameterized subtraction form, and the optimal sensing duration and the number of cooperative nodes are solved through a two-stage optimization algorithm; and dynamic parameter configuration and real-time optimization are carried out through environment perception and parameter prediction. According to the method, sensing duration, cooperation scale and power parameters are jointly optimized, limitation of traditional fixed configuration is broken through, and dynamic balance of spectrum detection precision, transmission efficiency and energy consumption economy is achieved; a dual-power-level adaptive switching mechanism maximizes the frequency spectrum access opportunity and minimizes the interference to the master device at the same time.

A computer-implemented method performed by a device configured with a power feature aided machine learning, ML, model is provided that models a behavior of a DPD to reduce non-linear distortion of an output signal of a non-linear device. The method includes extracting a plurality of power features from an input signal destined to be input to the DPD. The method further includes labelling the extracted plurality of power features to obtain at least one labelled average power level; inputting the at least one labelled average power level to the input of the ML model to obtain an output signal from the ML model having characteristics to reduce the non-linear distortion of the output signal of the non-linear device; and providing the output signal from the ML model as an input to the non-linear device.

Methods, systems, and devices for wireless communications are described, the described techniques provide for per-transmission and reception point (TRP) power control for uplink transmissions using a single frequency network (SFN) configuration. A UE that establishes communications with a network via two or more TRPs using an SFN configuration for uplink transmissions may determine respective uplink transmission power levels for uplink transmissions to each TRP. The UE may transmit uplink transmissions to the two or more TRPs in accordance with the determined respective uplink transmission power levels. In some cases, the UE may receive a downlink control information message that includes transmit power command fields for each respective TRP based on transmission configuration indictor states associated with each TRP. In some cases, the UE may determine a set of power control parameters associated with each TRP. In some cases, the UE may transmit power headroom reports for each TRP.

An information handling system stores a knob table, and determines time series data for one or more applications being executed. The information handling system extracts features associated with the system, and determines a system type for the information handling system. The system determines a running average power level based on the time series data, the extracted features, and the system type. Based on the determined running average power level, the information handling system determines a configuration knob to optimize the system. The configuration knob is determined from the knob table in the memory.

An apparatus, method and computer program product for: receiving (305) information relating to a power level of a radio beam received by an antenna array, analysing (310) a radio beam power profile associated with the antenna array, determining (315), based on the radio beam power profile, a characteristic of a radio channel, calculating (320), based on the characteristic, an optimum radio beam gain of the antenna array, and estimating (325) a link budget based on the optimum radio beam gain of the antenna array and the information relating to the power level of the radio beam received by the antenna array.

The invention provides a power system operation flexibility evaluation method and system, and the method comprises the following steps: S1, collecting historical data of a power system, analyzing the correlation between a power level and a prediction error, and screening the historical data most similar to a current prediction point according to the correlation; s2, calculating a system flexibility demand according to the net load and the prediction error; s3, calculating a flexibility demand according to the net load of the system and prediction errors of all prediction points in the system; s4, modeling the supply capability of the flexibility resources, and integrating into the overall flexibility supply of the system; s5, analyzing the overall flexibility of the system according to the available power transmission capacity of the key section in combination with the flexible supply and demand conditions of the sending end and the receiving end; and S6, using Monte Carlo simulation to simulate the system flexibility supply and demand condition, and calculating the system flexibility index based on the flexibility supply and demand quantification results in different scenes. According to the invention, more accurate and more comprehensive system operation flexibility evaluation is realized.

A method for performing an etch process on a substrate includes applying a bias signal and a source signal to an electrode of a plasma processing system. The bias signal and the source signal are pulsed RF signals that together define a repeated pulsed RF cycle, wherein each pulsed RF cycle sequentially includes a first state, a second state, a third state, and a fourth state. The power level of the bias signal in the first state is greater than in the third state, which is greater than in the second state, which is greater than in the fourth state. The power level of the source signal in the first state is greater than in the third state, which is greater than in the second state, which is greater than in the fourth state.

The present invention relates to a task scheduling method, including: computing a first load value required for executing a first task, and determining at least one first-level processor corresponding to a first load range to which the first load value belongs; processing the first task by using a first-level processor in an idle state in the at least one first-level processor; computing a second load value required for executing a second task, and determining at least one second-level processor corresponding to a second load range to which the second load value belongs; and processing the second task by using a second-level processor in an idle state in the at least one second-level processor. In this application, before execution of a task or during execution of a task, the task can be scheduled, in a timely manner, to an idle CPU at a matched computing power level, for continued processing.

A power transmitter (101) provides wireless power transfer to a power receiver (105) via a wireless inductive power transfer signal. The power transmitter (101) comprises transmitter coil (203) for generating the power transfer signal and a driver (201) generating a drive signal for this. A communicator (207) communicates with the power receiver (105) via a communication channel that does not use the power transfer signal as a communication carrier. A power loop controller (205) implements a power control loop by adapting a power level of the power transfer signal in response to power control error messages received from the power receiver (105). A generator (209) introduces a power level variation sequence to the power transfer signal and a validity detector (211) detects data received by the communicator (207) to be invalid data for the power transfer in response to a comparison of the power level variation sequence and power change requests of the power control error messages.

A system and method to adjust power levels between interconnected loudspeaker assemblies is described herein, the system comprising: a primary loudspeaker assembly, and at least one secondary loudspeaker assembly interconnected with the primary loudspeaker assembly and adapted to receive an audio signal from the primary loudspeaker assembly; an interconnection verification circuit located in the primary loudspeaker assembly; and a controller located in the primary loudspeaker assembly adapted to receive the status signal from the interconnection verification circuit, wherein the controller comprises—at least one processor communicatively coupled to the interconnection verification circuit; a memory operatively connected to the at least one processor, wherein the memory stores computer-executable instructions that, when executed by the at least one processor, cause the at least one processor to execute a method that comprises: generating an interconnection test signal by the interconnection verification circuit, wherein the interconnection test signal determines if the primary loudspeaker assembly is properly connected to the at least one secondary loudspeaker assembly; generating a connected status signal if the interconnection test signal determines that the primary loudspeaker assembly is properly connected to the at least one secondary loudspeaker assembly; receiving the connected status signal by the controller located in the primary loudspeaker assembly; and generating a first set of command signals by the controller to split power between the primary loudspeaker assembly and the at least one secondary loudspeaker assembly.

Techniques for echo cancellation in an RFID reader include incorporating an auxiliary error power amplifier (auxiliary PA) into the RFID reader, and dynamically adjusting a bias setting of the auxiliary PA based on a power level of a reflection of a signal transmitted by the RFID reader (“echo signal”) as measured at the RFID reader. When the measured echo signal power level is high, techniques herein set the auxiliary PA bias setting to a higher level to allow the auxiliary PA to account for the stronger echo signal. Inversely, when the measured echo signal power is low, techniques herein set the auxiliary PA bias setting to a lower level to reduce power consumption while the enabling the RFID reader to cancel echo phenomena and reliably detect signal responses from RFID tags in an environment.

The invention relates to the technical field of wireless communication, and discloses a three-frequency WiFi (Wireless Fidelity)-based wireless network adapter power consumption control method, which comprises the following steps of: acquiring a power consumption fluctuation amplitude and an interference suppression coefficient; performing eddy current effect strength evaluation on the power consumption fluctuation amplitude in combination with an interference suppression coefficient, so as to perform frequency band configuration parameter adjustment when the eddy current effect strength exceeds a preset threshold value, thereby obtaining frequency band configuration for reducing the interference suppression coefficient; power distribution proportion adjustment is carried out on frequency band configuration, the operating frequency range is adjusted according to real-time chip temperature data, then power level and frequency band switching frequency adjustment is carried out, and a power consumption control strategy is obtained; and finally, according to a power consumption control strategy, transmitting power level adjustment and frequency band priority adjustment are carried out to obtain an optimized transmission stability factor and an optimized interference suppression coefficient. By dynamically optimizing frequency band configuration and power consumption regulation and control, the transmission stability and energy efficiency of the wireless network adapter can be improved, and the power consumption and temperature anomaly risk are remarkably reduced.