60results about How to "Avoid oscillation" patented technology

This application discloses a health management and resource optimization configuration method for a distributed power supply in a test cabinet. The method includes: collecting electrical and temperature parameters of multiple sub-modules of the power supply during operation; extracting feature vectors representing the degradation state of the power supply based on a sliding time window; obtaining health information of multiple sub-modules; adaptively adjusting the reporting strategy of health information; and outputting power control commands for at least one sub-module. When a sub-module's health risk indicator is detected to exceed a preset risk threshold, the sub-module is marked as a risk sub-module, and at least one type of migrateable load is migrated from the risk sub-module to a candidate sub-module. Output channel isolation control is performed on the risk sub-module, and the power supply path used for status detection is retained. The display priority of multiple sub-modules is calculated, sorted and displayed according to the display priority, and multi-level alarm prompts corresponding to the health risk indicators are triggered simultaneously.

The application belongs to the technical field of power management and battery power supply system, and specifically relates to an intelligent charging and discharging system with main and standby power supply switching and double-way output, which comprises an external power input module, a charging management module and an external power output module; the external power input module is used for connecting an external 5V power supply and comprises an anti-reverse connection / anti-backfill unit and an input filter unit; the charging management module is connected with the external power input module, is used for performing constant current / constant voltage charging on a single lithium battery, and provides a charging state indication output and a temperature detection input; through the cooperative design of external power effective determination, external power priority strategy and output retention capacitor / filtering, repeated switching caused by plug-in transient is inhibited, so that the drop and jitter of the system main power bus are reduced; the system main power bus does not have repeated jitter switching or the drop duration is significantly shortened when the external 5V is plugged in according to the engineering test caliber.

This application relates to the field of industrial furnace temperature control technology, and discloses an energy-saving brazing furnace heating process temperature adaptive control method and system. The heating process of the brazing furnace is divided into at least three continuous temperature ranges, including a first temperature range, a second temperature range, and a transition temperature range. A first power control strategy and a first temperature fluctuation tolerance are configured for the first temperature range, and a second power control strategy and a second temperature fluctuation tolerance are configured for the second temperature range. The current temperature range of the brazing furnace is determined based on the current temperature. When it is determined that the brazing furnace is currently in the first temperature range, the first power control strategy is executed to output heating power, ensuring that the characteristic temperature is within the first temperature fluctuation tolerance. When it is determined that the brazing furnace is currently in the second temperature range, the second power control strategy is executed to output heating power, ensuring that the characteristic temperature is within the second temperature fluctuation tolerance. When it is determined that the brazing furnace is currently in the transition temperature range, a smooth switching logic is executed.

The invention provides a broadband gain positive slope amplitude-phase control multifunctional chip for a T / R assembly, which relates to the technical field of radio frequency integrated circuits and comprises a receiving channel, a transmitting channel, an equalization circuit, a numerical control attenuator, a numerical control phase shifter, a transmitting-receiving change-over switch module and a parallel control module. The parallel control module is used for outputting parallel control signals to the numerical control attenuator, the numerical control phase shifter and the transceiving change-over switch module; the equalization circuit is respectively connected with the receiving channel and the transmitting channel through the transmitting-receiving change-over switch module, so that a signal path of the receiving channel and a signal path of the transmitting channel multiplex the equalization circuit, the numerical control attenuator and the numerical control phase shifter; and the equalization circuit is of an on-chip integrated structure and is used for adjusting the gain of the receiving channel and the gain of the transmitting channel to present a positive slope characteristic relative to the frequency in a wide frequency band so as to compensate the frequency attenuation of an external device.

The invention discloses a knowledge index and text generation control method and system for retrieval enhancement generation. The method relates to the technical field of retrieval enhancement generation and comprises the following steps of knowledge index accuracy evaluation, index accuracy intelligent regulation and control, text generation timeliness evaluation and generation timeliness intelligent regulation and control. According to the method, the knowledge index accuracy is evaluated based on the index accurate parameters, and if the knowledge index does not reach the standard, the semantic relevance and the result effectiveness are regulated and optimized in a self-adaptive mode through the window width and the effective proportion. And then, evaluating the text generation timeliness based on generation timeliness parameters, if the text generation timeliness does not reach the standard, dynamically managing dialogue memory and load by updating a rate threshold value and performing adaptive regulation and control of a response period, preferentially guaranteeing the response speed and continuity, and finally performing a text generation verification link. The control timeliness of the knowledge index generated by retrieval enhancement and the text generation is improved, and the problem that the control timeliness of the knowledge index generated by retrieval enhancement and the text generation is low in the prior art is solved.

The utility model discloses an anti -oscillation circuit and power supply thereof. The anti -oscillation circuit includes voltage dividing unit, temperature response unit and voltage regulation unit, voltage dividing unit is connected with the input of power module and voltage regulation unit, is used for dividing voltage of power module input voltage according to the preconcerted ratio, provides voltage dividing voltage for voltage regulation unit, temperature response unit is connected with the input of power module and voltage regulation unit, is used for providing bias voltage for voltage regulation unit, and adjusts bias voltage according to environmental temperature change, voltage regulation unit still is connected with the enable end of power module, is used for adjusting own on -resistance according to bias voltage, thereby adjusts the voltage of power module enable end. The utility model embodiment can automatically compensate the temperature drift of power module enable threshold under different temperature environment, effectively prevents the power module from generating oscillation near the under -voltage point, improves the working stability and reliability of power module under extreme temperature environment.

The application provides a unilateral detection system and a vehicle. The unilateral detection system comprises a voltage dividing circuit, an amplification circuit, an isolation circuit, an output circuit and a controller. The voltage dividing circuit divides the voltage of a high-voltage DC bus to obtain a first output voltage. The amplification circuit is connected with the voltage dividing circuit. The isolation circuit is connected with the amplification circuit and the voltage dividing circuit. The output circuit comprises a first operational amplifier and a first resistor. The non-inverting input terminal of the first operational amplifier and one end of the first resistor are connected with the sixth terminal of the isolation circuit. The inverting input terminal of the first operational amplifier is connected with the output terminal of the first operational amplifier. The other end of the first resistor is grounded. The first operational amplifier generates a second output voltage. The controller determines the voltage of the high-voltage DC bus based on the second output voltage. The system can monitor the voltage of the high-voltage DC bus in isolation, so as to discover abnormal conditions of the voltage in time. The system has high safety in use due to the isolation circuit.

The invention discloses a digital control method for a split-phase voltage-regulating voltage stabilizer based on silicon controlled gear switching, and relates to the technical field of voltage-regulating voltage stabilizer control. The method comprises the following steps: executing closed-loop control in each power supply cycle in a gear switching transition period: pre-judging a circulation increment according to initial trigger angles of a new gear and an old gear, and comparing the circulation increment with a safety threshold; if the threshold is exceeded, calculating a critical overlapping starting angle, segmenting an overlapping conduction interval by taking the critical overlapping starting angle as an anchor point, calculating a residual ratio, and selecting a segmentation correction strategy to correct the initial trigger angle; calculating an effective energy transmission proportion reflecting an actual transition progress based on the corrected trigger angle, and adaptively generating a target weight of a next power cycle based on the effective energy transmission proportion; monotonicity and saturation constraints are applied to the target weight to obtain an execution weight, the execution weight is mapped into an initial trigger angle of a next power supply cycle, and a cycle-by-cycle closed loop is formed; and when the execution weight reaches a final value, executing steady state locking to complete switching. The circulating current is safe and controllable, and the transition process is smooth and free of impact.

The application provides a differential detection system of a high-voltage direct-current bus and a vehicle, the system comprising a differential sampling circuit, a first operational amplifier, an isolation circuit and a signal processing circuit; the differential sampling circuit is connected with a positive electrode and a negative electrode of the high-voltage direct-current bus and grounded; the inverting input end of the first operational amplifier is connected with the differential sampling circuit and the output end of the first operational amplifier, and the non-inverting input end of the first operational amplifier is connected with the negative electrode of the high-voltage direct-current bus and the common ground of the differential sampling circuit; the isolation circuit is connected with the first operational amplifier and the differential sampling circuit, and is connected with a power supply voltage and grounded; the signal processing circuit is connected with the isolation circuit, and the signal processing circuit determines the voltage of the high-voltage direct-current bus based on the output current of the isolation circuit. The system performs double-end sampling on the voltage of the high-voltage direct-current bus through differential sampling, has high sampling accuracy, high anti-interference ability, and is provided with the isolation circuit, and thus has high overall use safety.

This invention relates to the field of network routing optimization technology, specifically to a network path optimization method, apparatus, electronic device, and storage medium. In this invention, by synchronously monitoring bit rate and packet rate load, and using the higher of their utilization rates as the criterion for link congestion judgment, the limitations of traditional single-indicator evaluation are effectively overcome, enabling cost calculation to more comprehensively and accurately reflect real-time link congestion risk. Through a cost coefficient mapping mechanism, and combined with a baseline link cost to determine dynamic link costs, real-time and accurate input is provided to the path optimization algorithm, resulting in significant optimization of the overall network in terms of throughput and transmission latency. This is particularly suitable for high-reliability industrial scenarios sensitive to jitter.

The application discloses an output self-correction circuit for a medical electron gun grid power supply, comprising a low-voltage side control unit, an isolation transmission unit, a high-voltage side control unit, a grid power supply and an independent sampling network; the low-voltage side control unit receives a dose rate, an ambient temperature, an external sampling signal and an output voltage feedback signal, generates a corrected reference signal and transmits the corrected reference signal to the high-voltage side control unit through the isolation transmission unit; the high-voltage side control unit outputs a control increment to the grid power supply after F / V conversion of the corrected reference signal, simultaneously receives voltage feedback signals of the grid power supply and the independent sampling network, and transmits the voltage feedback signals to the low-voltage side control unit through the isolation transmission unit; the application provides the grid power supply with output self-correction for a medical electron linear accelerator, realizes long-term stability and parameter consistency of an electron gun emission beam current, does not need manual correction, and greatly improves work efficiency.

The application discloses a method and device for suppressing wide-frequency oscillation of a converter, equipment and a medium, and belongs to the field of power grid safety. The method is as follows: obtaining the fundamental equivalent impedance of the converter corresponding to the fundamental frequency and the wide-frequency equivalent impedance corresponding to each interference frequency through a preset interference signal; judging the damping characteristic of the converter according to the real part of the fundamental equivalent impedance; if the damping characteristic is positive, and the imaginary part of at least one wide-frequency equivalent impedance satisfies a preset resonance criterion, determining a resonance frequency band from all interference frequencies, and adjusting the current control loop parameters of the converter according to the resonance frequency band until all imaginary parts do not satisfy the preset resonance criterion, so as to realize wide-frequency oscillation suppression; wherein, the preset resonance criterion is determined according to the reactance characteristic of the wide-frequency equivalent impedance. The application can improve the accuracy of wide-frequency oscillation suppression of the converter.

The invention provides an automatic spectrograph debugging device and method, and the device comprises a standard light source module which is used for providing a reference light signal with a known characteristic spectral line for a to-be-debugged spectrograph; the grating adjusting mechanism comprises an electric rotary displacement table and a linear displacement table, the electric rotary displacement table is used for driving a grating in the spectrometer to rotate around a shaft so as to adjust wavelength accuracy, and the linear displacement table is used for translating the grating in the light path direction so as to adjust spectral resolution; the spectrum acquisition module is used for acquiring spectrum data processed by the spectrograph in real time; a reference spectrum is excited through a multi-spectral-line standard light source, the peak position and the full width at half maximum are accurately extracted by adopting spline interpolation, an electric rotary displacement table and a linear displacement table are driven to perform two-dimensional closed-loop adjustment on a grating, and the wavelength-pixel non-linear mapping correction and convergence criterion are combined, so that the resolution of the grating is improved. And full-automatic high-precision calibration of wavelength accuracy and spectral resolution is realized.

The application discloses a power coordination recovery control method for inhibiting repeated low voltage ride through of a doubly-fed wind turbine. The application proposes to coordinate the recovery slope of active current and reactive current aiming at the repeated low voltage ride through problem of the doubly-fed wind turbine after fault clearance. Firstly, a phase-locked loop second-order underdamped model is established to estimate the peak time and valley time in the voltage recovery process; then, the current recovery expression is substituted into the grid connection point voltage equation to construct a voltage constraint inequality, so that the peak time does not trigger high voltage ride through and the valley time does not trigger low voltage ride through; finally, the feasible range of the active recovery slope and the reactive recovery slope is determined according to the constraint inequality, the optimal active and reactive current recovery slope is determined by combining the current limiting or recovery time matching constraint, and the current reference instruction is input to the rotor side converter. The application can effectively inhibit voltage oscillation when exiting the low voltage ride through stage and improve the transient stable operation ability of the wind turbine under weak grid conditions.

This application relates to the field of semiconductor technology. Embodiments of this application provide a surge negative charge driving circuit and a switching power converter for suppressing crosstalk, comprising: a driving module and a surge negative charge module; a first terminal of the driving module receives an input signal, and a second terminal of the driving module is connected to the gate node of a silicon carbide MOSFET, used to control the turn-on and turn-off of the silicon carbide MOSFET according to the input signal; a first terminal of the surge negative charge module receives the input signal, a second terminal of the surge negative charge module is connected to a power supply terminal, a third terminal of the surge negative charge module is connected to a ground terminal, and a fourth terminal of the surge negative charge module is connected to the gate node of the silicon carbide MOSFET, used to release negative charge to the gate node during the turn-off process of the silicon carbide MOSFET when the drain voltage of the silicon carbide MOSFET rises, causing Miller current to flow back to the gate node, in order to neutralize the Miller current. Highly efficient crosstalk suppression is achieved through the physical method of charge neutralization, without relying on a continuous negative voltage power supply, simplifying the system architecture and reducing costs.

This invention belongs to the field of new energy and energy-saving technology, specifically relating to a black-start load recovery control method and system for an energy storage system based on phase prediction. First, a real-time dynamic safety window and real-time prediction confidence level are calculated for the predicted phase difference value. Corresponding thresholds are preset and compared. Only when the predicted phase difference value is within the dynamic safety window and the prediction confidence level is not lower than the threshold, in the predicted future... The system issues closing commands at all times, achieving precise contact closure through mechanical delay. The confidence model is constructed by combining predicted stability terms and system drastic change penalty terms. At the same time, for cold-start loads with no residual charge, it is optimized to close the circuit at the zero-crossing point of the grid voltage, effectively suppressing inrush current and realizing the transformation of closing from blind control to precise control, thereby improving the safety, reliability and control accuracy of closing.

This invention discloses a configuration control method for vibratory conveying of bulk materials, belonging to the field of industrial automation configuration control technology. The method includes: constructing a three-dimensional configuration monitoring interface based on the physical characteristics of the bulk material, comprising a virtual vibratory feeder, a virtual conveyor belt, and virtual material level detection points, and embedding an adaptive adjustment module for the excitation frequency; collecting real-time changes in the stacking height through the virtual material level detection points and mapping them to a feeding rate correction coefficient; calling a fuzzy rule inference engine to calculate the target excitation frequency and target amplitude; encapsulating the target parameters into configuration control instructions, and sending them to the programmable logic controller of the physical vibratory feeder for execution through the configuration software data communication interface. This method utilizes virtual material level sensing and fuzzy inference to achieve dynamic tuning of vibration parameters, and improves the real-time performance and reliability of feeding control through a structured instruction encapsulation and verification mechanism.

The invention discloses an anti-segregation transportation and secondary mixing integrated method for dry-mixed mortar. According to the method, vehicle vibration data are collected in the transportation stage, effective segregation energy is calculated, a segregation accumulation index is generated, when stirring is started, a motor signal is collected, cleaning reconstruction is carried out in combination with bus voltage, and normalized torque is output; and in the control stage, frequency domain decoupling is carried out on the normalized torque, a low-frequency component representing consistency and a high-frequency component representing segregation are separated out, and the flow rate of water injection and the rotating speed of feeding are cooperatively adjusted through double loops in combination with the rheological expected factor and the segregation cumulative index. According to the invention, the correlation between the transportation history and the stirring control is established, the coupling conflict between consistency and uniformity control is solved by using the frequency domain decoupling technology, and feed-forward compensation and adaptive control based on the material state are realized.

This invention belongs to the field of highway construction and relates to a coal gangue subgrade filler, a construction method, and a compaction device; it can improve the integrity of the subgrade, reduce slippage, and decrease the possibility of pavement cracking. The coal gangue subgrade filler includes: a rubber mesh and fixed anchor bolts. The rubber mesh is a long strip-shaped mesh structure with tensile fibers inside. The fixed anchor bolts fix the rubber mesh to the embankment. The compaction device includes: a towing vehicle and a vibration assembly. The vibration assembly is connected to the towing vehicle and vibrates the coal gangue material within the rubber frame. The construction method includes: each rubber mesh is arranged perpendicular to the embankment's extension direction; the rubber mesh is fixed to the embankment using fixed anchor bolts; coal gangue material is spread onto the rubber mesh; the coal gangue material within the rubber frame is vibrated to compact it; coal gangue material is spread again onto the rubber mesh to completely cover it; and a road roller is used to flatten the coal gangue material.

The application discloses a vehicle control method and device, a vehicle and a storage medium. The method comprises the following steps: determining a vehicle control error by taking the difference between an actual vehicle acceleration and a reference vehicle acceleration; determining a dynamic gain parameter and a boundary error parameter based on the vehicle control error; determining an acceleration control amount according to the dynamic gain parameter, the boundary error parameter, the reference vehicle acceleration and the vehicle control error, and controlling the vehicle according to the acceleration control amount. The technical scheme of the embodiment of the application realizes adaptive automatic determination of the vehicle acceleration control amount during driving, fully considers the stability of the vehicle control system when determining the vehicle acceleration control amount, avoids oscillation of the vehicle control system, enhances the driving stability of the vehicle, and improves the safety of the vehicle driving when the vehicle driving is adjusted according to the acceleration control amount.

This invention discloses a method and system for adjusting the flow rate of polishing slurry for quartz wafers. The method includes: acquiring polishing information; determining the local film thickness and adjacent film thickness of each target sector on the polishing disk based on the relationship between adjacent film thickness and the action of the weir; separating the stagnant thickening region that follows the action of the weir and the eddy agglomeration thickening region that does not follow the action of the weir, and obtaining the flow rate difference of the polishing slurry in each target sector; in response to the flow rate difference being greater than a preset flow rate difference threshold, generating a corresponding weir height adjustment amount, adjusting the height of the target weir, and completing the polishing slurry flow rate adjustment. This invention provides a method and system for adjusting the flow rate of polishing slurry for quartz wafers to solve the technical problems of existing technologies that cannot distinguish between healthy thickening and eddy agglomeration thickening, making it difficult to accurately identify and suppress the stagnant zone in front of the weir, resulting in poor circumferential flow rate distribution uniformity and frequent surface defects caused by local abrasive particle agglomeration.

The invention discloses a multi-vehicle cooperative control method for a mixed traffic ramp afflux scene, and the method comprises the steps: S1, obtaining the states of vehicles and the states of adjacent vehicles, carrying out the screening, sorting and feature organization of the adjacent vehicles in a sensing range, and forming the local observation which can be inputted by a network; s2, adopting a multi-head attention network to extract interactive characterization of the vehicle and an adjacent vehicle, and fusing the interactive characterization to form a vehicle priority score; s3, sorting the vehicles according to the vehicle priority scores, generating an asynchronous decision sequence of the current period, and explicitly constructing a preceding action set for conditional decision of subsequent vehicles; s4, the vehicle selects longitudinal / transverse discrete actions under the condition that the preceding action set is known according to the asynchronous decision sequence, and mask constraint is applied to non-executable actions to ensure legality; and S5, mapping the discrete action into a reference speed and a transverse target, outputting an executable acceleration and a rotation angle by the bicycle model and the PID / proportional controller, and propelling the bicycle to move.

The application discloses a kind of weak network scene reactive mode online switching control method, device, equipment, medium and program product, belong to the technical field of station collaborative control, including: acquisition and grid point electrical data;Determine comparison parameter based on the grid point electrical data, according to the comparison parameter and switching trigger condition and recovery trigger condition comparison, judge whether to execute switching mode operation;Wherein, when executing switching mode operation, based on preset transition time, calculate final reactive output instruction;The weak network scene reactive mode online switching control method, device, equipment, medium and program product reserve regulation space for power grid, avoid the risk of resonance that long-term constant voltage control can cause, improve the stability of long-term operation of whole station;Reach the trigger condition of voltage related index, namely quickly start constant voltage control mode, give full play to its strong reactive support advantage, effectively inhibit voltage continuous deterioration, help power grid voltage quickly recover stability, guarantee station and power grid operation safety.

The invention discloses a fault monitoring method, system and device and a medium, and belongs to the field of power grids, and the method comprises the steps: obtaining a preset fault track signature library and a real-time track of power distribution equipment; performing matching degree calculation on the real-time track and each fault track signature to obtain a matching distance, and comparing a size relationship between a minimum value of the matching distance and a preset distance threshold value; if the matching distance is larger than or equal to the matching distance, matching confidence is obtained through calculation according to the matching distance, and grading early warning is executed according to the matching confidence; and if the matching distance is smaller than the minimum matching distance, determining a current fault state according to a target fault trajectory signature corresponding to the minimum matching distance, determining a plurality of first target fault types having a causal relationship according to the target fault trajectory signature and the fault causal graph, and determining first fault early warning information according to the current fault state and each first target fault type. According to the invention, the accuracy and reliability of fault monitoring can be improved.

The invention discloses a system and a method for adjusting a dynamic learning rate of TPM key agreement of a tree parity machine based on synchronous history. Aiming at the technical problems of low efficiency and insufficient stability caused by the fact that a fixed learning rate mechanism in traditional TPM key negotiation is difficult to adapt to dynamic change of a synchronization process, the system records a recent synchronization result by introducing an annular buffer area, and calculates and quantifies a synchronization progress index according to the recent synchronization result. And a negative correlation mapping function between the synchronization progress and the learning rate is constructed, and adaptive dynamic adjustment of the learning rate is realized. According to the method, convergence can be accelerated by adopting a large learning rate in the initial stage of synchronization, and stable and accurate synchronization can be ensured by adopting a small learning rate in the later stage of synchronization, so that the efficiency of key negotiation and the robustness of the system are remarkably improved on the premise of ensuring the safety.

This application provides a single-sided detection system and vehicle. The single-sided detection system includes a voltage divider circuit, an amplifier circuit, an isolation circuit, an output circuit, and a controller. The voltage divider circuit divides the voltage of the high-voltage DC bus to obtain a first output voltage. The amplifier circuit is connected to the voltage divider circuit. The isolation circuit is connected to both the amplifier circuit and the voltage divider circuit. The output circuit includes a first operational amplifier and a first resistor. The inverting input terminal of the first operational amplifier and one end of the first resistor are connected to the fifth terminal of the isolation circuit, and the non-inverting input terminal of the first operational amplifier is connected to the sixth terminal of the isolation circuit. The first operational amplifier generates a second output voltage. The controller determines the voltage of the high-voltage DC bus based on the second output voltage. This single-sided detection system can isolate and monitor the voltage of the high-voltage DC bus, promptly detect voltage anomalies, and, with the isolation circuit, provides a high level of overall system safety.

The application relates to the technical field of voltage compensation control, in particular to a power distribution line dynamic compensation adjustment method for preventing voltage fluctuation. The method comprises the following steps: acquiring voltage deviation degrees and reactive power variation synchronization degrees between each trunk node and each compensation point at each moment; acquiring limit coefficients of each trunk node, and dividing an alternating current power grid area into reactive power compensation coverage sub-areas dominated by each compensation point; calculating line losses of trunk lines in each reactive power compensation coverage sub-area, and acquiring multi-time scale estimation information; acquiring compensation parameters of reactive power compensation devices in each reactive power compensation coverage sub-area, and then correcting compensation capacities of the reactive power compensation devices to dynamically compensate the power distribution line. The application aims to reduce active power loss and voltage drop and improve overall power quality.

This invention relates to the field of gearbox condition detection technology, specifically to a detection device and method for multi-stage gearboxes with transmission stability. The device includes a fault feature extraction component as the core of an intelligent sensor. The fault feature extraction component comprises an insulating carrier, a signal pickup coil wound on the insulating carrier, and an upstream detection sensitivity gain unit. The detection sensitivity gain unit has a rectifier channel that constrains dispersed wear products to the insulating carrier. An adaptive stabilizer is arranged around the fault feature extraction component to form a flow bypass. The adaptive stabilizer performs axial compensation displacement in response to fluid pressure fluctuations in the monitoring environment. This invention utilizes fluid acceleration and inertial sorting. When the sleeve pressure senses and opens the bypass to drain oil, the inertial difference propels high-momentum abrasive particles into the central detection area, thereby achieving oil bypass but not abrasive particle bypass, ensuring accurate capture of weak fault features under all operating conditions.

This invention discloses a multi-level control mode adaptive switching method and system based on task constraints. For different task types, the remote control center issues different task type identifiers and corresponding task constraint strategy information. During the task initiation preparation phase and task execution, the nest-side edge computing controller continuously collects network, task, and UAV status data, dynamically determines the most suitable target control mode, and performs control handover, state synchronization, and instruction semantic level switching when the target control mode is inconsistent with the current control mode. This achieves coordinated and consistent adjustment of control mode, control ownership, task state machine, and instruction semantics. This invention improves the continuity, security, and stability of UAV system task execution under different network conditions and task constraints.

The application provides a high-density server room dynamic temperature control system based on temperature-humidity-airflow velocity cooperative control, comprising a heat distribution map construction module, which is used for periodically collecting temperature correlation data in the server room, and generating a dynamic heat distribution map of the server room based on the collected temperature correlation data and a physical model of the server room; the temperature correlation data comprises real-time temperature data, relative humidity data and airflow velocity data; a risk area analysis and identification module, which is used for comparing and analyzing the three-dimensional dynamic heat distribution map of the server room with a preset temperature safety threshold, and obtaining two-level heat density risk areas; a region determination and factor calculation module, which calculates a heat density risk influence factor of a region needing intervention adjustment for eliminating the identified risks and preventing potential risks. The application uses a ladder type adjustment mechanism combined with closed-loop feedback control, avoids excessive adjustment and system oscillation, and further optimizes energy consumption performance.