1564 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 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.

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 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.

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.

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.

Techniques for selecting frequencies of operation are described. HF signals may land at the receiver node with power levels dependent upon the transmit frequency. The frequency with the highest power level at the receiver node may be selected when the receiver node is not subject to interfering. The receiver node may be unable to receive a desired signal if an interfering signal has a signal level which is higher than the desired signal. The transmitter node may select a frequency which has a receiver signal level which is higher than the interfering signal for the selected frequency. The receiver node may then receive the transmit signal at the selected frequency even when subject to interfering from the interferer node.

The invention discloses a regional photovoltaic power prediction method based on a dynamic graph neural network, and the method comprises the steps: remarkably improving the quality and consistency of model input data through fusing real-time meteorological data, historical power generation power, an equipment state and geographic information; a time-varying adjacency matrix is periodically and dynamically updated, and the real-time dynamic space relation of each power station in the area is accurately captured; a collaborative modeling method of dynamic graph convolution and a time sequence network is utilized to realize accurate prediction of complex space-time coupling dependence; meanwhile, through introduction of the hidden Markov state transition model, fine description of a power prediction sequence and reasonable classification of power levels are achieved, the problem that a traditional prediction method is insufficient in adaptability to real-time dynamic working conditions is effectively solved, and finally comprehensive improvement of regional photovoltaic power prediction precision and stability is achieved.

The invention relates to the field of power transmission line operation and maintenance, in particular to a power transmission line unmanned aerial vehicle autonomous charging method and system. The method comprises the steps of monitoring electric quantity level and position information of the unmanned aerial vehicle in real time to obtain state data; based on the state data, when the electric quantity level is lower than a preset threshold value, generating a charging request signal; in response to the charging request signal, calculating a navigation path according to the position information and the position of the charging nest to obtain path data; controlling the unmanned aerial vehicle to fly to the charging nest according to the path data, and adjusting the flight trajectory in real time by using the environment sensing data in the flight process to obtain an updated trajectory; when the unmanned aerial vehicle arrives at the charging nest based on the updated track, docking operation is executed; and after the connection is completed, starting a charging process to charge a battery of the unmanned aerial vehicle. The method effectively solves the core problems that the autonomous charging opportunity of the unmanned aerial vehicle is not accurately judged, the return path lacks the dynamic adjustment capability and the docking reliability is low.

The invention relates to the technical field of unmanned aerial vehicles, in particular to a multi-band image transmission module and an image transmission power adaptive adjustment method thereof, and the method comprises the steps: inputting a channel quality index and an environment interference spectrum into a pre-stored channel attenuation correlation function library, and outputting an initial power reference value meeting a target error rate; generating a link stability correction coefficient by combining the motion acceleration of the three-axis aircraft; simulating a heat accumulation rate curve under different power gears according to the temperature gradient data of the substrate, and generating a dynamic power upper limit value according to a heat dissipation margin threshold value; and when the dynamic power upper limit value is higher than the initial power reference value, calling a pre-stored semiconductor physical characteristic power amplification strategy to start a distance increasing mode, and dynamically adjusting a radiator pulse width modulation parameter based on a heat accumulation rate curve. The image transmission module can automatically maintain stable low-bit-error-rate transmission in a complex environment, the reliable image transmission performance of the unmanned aerial vehicle under various working conditions is ensured, and meanwhile the service life of equipment is prolonged.

Disclosed are systems, apparatuses, processes, and computer-readable media for wireless communications. For example, an example of a process may include receiving, at a network device, reflection signals generated based on a plurality of sensing signals reflecting from a target object. The plurality of sensing signals may be configured in a plurality of resources, with each resource of the plurality of resources being associated with a different respective power level. The process may further include determining, at the network device, a power level of a resource associated with a reflection signal is an acceptable power level for performing sensing of the target object based on the power level meeting a predefined power level.

The invention discloses an intelligent antenna array control method, system and device and a storage medium, relates to the technical field of communication, and aims to solve the problems of insufficient beam forming precision and low energy consumption ratio of a traditional antenna array. The method comprises the following steps: collecting multi-dimensional parameters of a communication environment in real time and generating a dynamic data set, wherein the dynamic data set comprises a user distribution thermodynamic diagram, a channel interference matrix and a multipath feature vector; obtaining a phase and amplitude regulation and control instruction set of each antenna unit in the antenna array based on the dynamic data set and a preset beam adjustment parameter; based on the regulation and control instruction set and the current scene features, a beam template library is called to generate a radiation pattern control signal, the current scene features comprise the geographical environment type and the user distribution density, and the radiation pattern control signal is used for indicating adjustment of the radiation power level.

The invention provides a charging system and a vehicle, and belongs to the technical field of vehicles. The charging module is connected between the charging port and the power battery and comprises a direct connection charging circuit, a boost charging circuit and a buck charging circuit which are connected with the power battery; the control module is connected with the charging module; and the control module is configured to switch on a target circuit corresponding to the output voltage in the direct connection charging circuit, the boost charging circuit and the buck charging circuit in response to the output voltage of the charging pile currently connected to the charging port so as to charge the power battery. According to the charging system provided by the embodiment of the invention, the vehicle can be ensured to be adapted to charging piles with different powers for charging.

The invention provides a two-stage current intensity adjusting method for an eye therapeutic apparatus, and the method comprises the steps: extracting the impedance effect intensity of a current at a macular center through recognizing the thickness of an impedance barrier layer corresponding to the current limiting degree of a high-impedance region, and combining with the actual penetration thickness, and obtaining the current penetration depth reduction proportion of the current penetration depth at the macular center; the current intensity imbalance degree of the coarse adjustment basic current intensity in the transition subarea is evaluated, and by obtaining the current intensity increase and decrease multiple of the fine adjustment compensation current intensity, the gradient difference between high impedance limitation and low impedance permeation is integrated, and the current intensity is compensated to balance the current intensity imbalance degree of the transition subarea; and updating the current output power level of each partition according to the fine adjustment compensation current intensity, and feeding back the current output power level to a therapeutic instrument circuit in real time to obtain uniform therapeutic intensity distribution so as to be matched with the decreasing proportion of impedance of impedance gradient distribution from high to low.

The invention provides a low-pollution combustion organization method and system for a combustion chamber of a natural gas turbine. Relates to the field of combustion chamber design, and solves the problem that reliable ignition cross flame and efficient combustion cannot be realized in a small and short space under a low working condition. The method comprises a low-resistance gas distribution step, a rapid premixing step, a wide boundary concentration difference staged combustion step, a fuel escape prevention staged combustion step, a near wall surface streamline control step, a characteristic area pollutant prediction and inhibition step, an outlet temperature distribution regulation and control step and a head scaling / increasing and decreasing stage adaptation step, and determining a corresponding combustion chamber head size and a combustion chamber classification number. On the premise that the rotational flow strength is guaranteed, the flow resistance loss of the head is remarkably reduced, tempering is prevented, and the efficiency of the combustion chamber is improved.

A method performed by a first wireless access point for coordinating a multi-access point transmission in a wireless network of multiple access points includes receiving an indication of a transmit opportunity for the first wireless access point, transmitting at least one indication frame to the multiple access points comprising information related to the transmit opportunity, receiving at least one request frame from one or more access points of the multiple access points indicating participation with the transmit opportunity, and transmitting a trigger frame to the one or more access points that indicated participation with the transmit opportunity, wherein the trigger frame comprises information indicating respective power levels for the participating access points. The shared transmit opportunity may then be used to transmit downlink data to associated stations of the first wireless access point and the other participating access points during the transmit opportunity.

A substrate processing apparatus according to an exemplary embodiment includes a chamber, a source power supply that provides power for exciting plasma in a form in which the power level pulses, a support member that is disposed inside the chamber and supports a substrate, and a bias voltage supply that is connected to the support member and supplies a voltage for bias, and the power level of the output of the source power supply falls at a power fall time, and the voltage level of the output of the bias voltage supply rises from a control voltage level to a reference voltage level at an end time, and the end time is positioned later than the power fall time by a margin time.

The invention discloses a multiphase BUCK converter and a high-dynamic self-adaptive phase cutting method. The multiphase BUCK converter comprises a 16-phase power level, a current sampling module, an MOS driving module, a digital control module, a CMCOT simulation main control loop and a dynamic detection circuit. The MOS driving module controls a switching tube in the 16-phase power level, the current sampling module collects an inductive current signal, the input end of the CMCOT simulation main control loop is connected with the output end of the current sampling module, and a PWM control signal is output to the digital control module; the input end of the dynamic detection circuit is connected with an output signal of a voltage loop gain in the CMCOT analog main control loop, and a mark signal is generated and output to the digital control module; the digital control module generates a phase cutting signal. A phase cutting strategy is correspondingly provided, the number of PWM started by a phase cutting signal is adaptively changed, the transient voltage undershoot is reduced, meanwhile, voltage overregulation is avoided, and the transient performance is remarkably improved.

The utility model discloses a constant-current and constant-voltage circuit without software control, which comprises a Buck power level circuit, a voltage sampling circuit, a current sampling circuit and an error amplifying circuit, and the error amplifying circuit is provided with a first error amplifier and a second error amplifier. The output end of the first error amplifier and the output end of the second error amplifier are electrically connected with the Buck power level circuit, the Buck power level circuit is electrically connected with the voltage sampling circuit and the current sampling circuit, the voltage sampling circuit is electrically connected with the first error amplifier, and the current sampling circuit is electrically connected with the second error amplifier. An FREQ pin of a Buck chip U4 is grounded, a 0.76 V voltage is obtained through voltage division by a resistor R27 and a resistor R29, so that the switching frequency of a Buck power level circuit is invalid, the voltage is controlled through a first error amplifier, the current is controlled through a second error amplifier, the first error amplifier and the second error amplifier carry out operation, and then a PWM comparator in the Buck chip U4 is controlled through a COMP pin of the Buck chip U4. Therefore, voltage and current are controlled.

A method and apparatus for power control for distributed wireless communication is disclosed including one or more power control loops associated with a wireless transmit / receive unit (WTRU). Each power control loop may include open loop power control or closed loop power control. A multi-phase power control method is also disclosed with each phase representing a different time interval and a WTRU sends transmissions at different power levels to different set of node-Bs or relay stations during different phases to optimize communications.

Systems and techniques are described for wireless communications. For example, a network device can receive, via receive antennas, signals transmitted from one or more devices. Each receive antenna is within one group of two or more groups. The network device can adjust, using gain control modules, a power level of each signal to produce power adjusted signals. The gain control modules are within one group of the two or more groups. At least a portion of the gain control modules is associated with different gain states. The gain states are based on at least one of distances of the one or more devices from the network device or power levels of the signals transmitted from the one or more devices. The network device can process the power adjusted signals.

The invention relates to the technical field of industrial intelligence, edge computing, embedded artificial intelligence and the like, and provides an industrial intelligent edge computing all-in-one machine integrated with various lightweight neural network models and an implementation method. A plurality of neural network models are trained on a host to analyze industrial field signals, the models are compressed and quantized, and a plurality of lightweight neural network models are obtained; the compressed model file is subjected to format conversion and deployed on a microcontroller platform, a microcontroller collects insulation partial discharge signals, electrical parameters, mechanical vibration and other signals, and when the microcontroller platform operates, neural network reasoning is executed to achieve edge AI calculation. A reasoning result is transmitted to the control output module through the edge AI module. The module generates corresponding control instructions or alarm information according to different model results, sends a maintenance prompt to equipment with serious insulation aging, adjusts the power level of production equipment according to an energy efficiency optimization result, reminds emergency maintenance of a circuit breaker fault, and triggers filtering compensation or alarms for electric energy quality abnormity.

A method of analysing a hollow core antiresonant optical fibre having an inner cladding comprising at least one capillary defined by a wall with a wall thickness comprises: directing light onto the fibre for interaction with at least one surface of the capillary wall; detecting a portion of the light which has interacted with the at least one surface of the capillary wall to determine a power level of the detected portion; and using the power level to deduce information regarding the wall thickness.

Wireless circuitry can include a radio-frequency amplifier configured to operate in a plurality of different mode, configuration, or bias settings, a power detector coupled to an output of the radio-frequency amplifier, a plurality of power integrators, and a switching circuit having an input configured to receive a measured power level from the power detector and having outputs coupled to the plurality of power integrators. The switching circuit can have a switch state that is adjusted based on a current mode, configuration, or bias setting for the radio-frequency amplifier. The power integrators may be part of multiple power control loops. The power control loops can be coupled to additional switching circuitry activated based at least party on the current mode, configuration, or bias setting and a subsequent mode, configuration or bias setting for the radio-frequency amplifier.