20results about How to "Quick and accurate response" patented technology

The invention discloses a fumigation treatment multi-parameter comprehensive monitoring system which comprises a multi-parameter sensor monitoring module, a multi-modal data processing and analyzing module, a system intelligent monitoring and adjusting module, a fumigation environment control module, a remote maintenance and management module and a system interaction and feedback module. The multi-parameter sensor monitoring module is used for collecting parameter data. The multi-modal data processing and analyzing module is used for fusing and analyzing data. The system intelligent monitoring and adjusting module is used for intelligently monitoring and adjusting fumigation strategies. The fumigation environment control module is used for adjusting environment parameters. The remote maintenance and management module is used for system maintenance and management. And the system interaction and feedback module is used for display interaction of data and a control state. According to the fumigation treatment multi-parameter comprehensive monitoring system, a multi-modal data fusion algorithm based on information channel decomposition is provided for multi-parameter data fusion and analysis; and a multi-parameter intelligent monitoring algorithm based on a multi-layer feedforward neural network is provided to intelligently monitor the fumigation environment.

The invention discloses a vehicle control method, a vehicle controller and a vehicle, and the vehicle control method comprises the steps: obtaining steering wheel angle information and yaw angle information of the vehicle, and obtaining an interference value according to the steering wheel angle information and the yaw angle information; and when the interference value is larger than or equal to the first preset interference value, the brake execution unit is controlled to apply braking force to at least one wheel so as to reduce the interference value. According to the vehicle control method, the steering wheel angle information and the yaw angle information of the vehicle are monitored in real time, the interference value is calculated according to the information, and response can be made rapidly and accurately when the vehicle is subjected to external interference such as crosswind. When the interference value exceeds the first preset interference value, the braking execution unit applies braking force to the wheels so as to reduce the interference value and keep the stability of the vehicle. The controllability and safety of the vehicle under the crosswind condition are improved, and the operation difficulty of a driver under the emergency situation can be effectively reduced.

The invention discloses a balance control method and system for amplitude and flow of a regulating valve for a chemical plant. The invention relates to the technical field of regulating valves. Calculating an error E between the target value O and the feedback value F: E = O-F; then, each PID controller i calculates an initial electric signal ei (t); each PID controller activates a bidirectional Seq-Bi-GRU recurrent neural network, executes a regression task based on the data set D of historical errors and the error E as input, and outputs an error threshold T1 for each PID controller, which is used for judging whether to activate the integral action of the PID controller or not; by introducing the bidirectional Seq-Bi-GRU recurrent neural network, the error threshold T1 and the saturation threshold T2 can be dynamically calculated based on the historical error data set and the current error. According to the dynamic adjusting mechanism, the integral action of the PID controller can be flexibly activated or closed according to the actual situation, and the integral saturation phenomenon of the multi-branch flow conveying system is effectively avoided.

This application discloses a fault determination method, apparatus, electronic device, and power supply system for a power supply system. The method includes: when a first power supply signal provided by the main power supply is detected to be lower than a preset reference signal, recording a current first timestamp and sending a first control signal to a backup power supply, wherein the first control signal is used to control the backup power supply to switch to a hot standby state; when the backup power supply is detected to switch to a hot standby state, recording a current second timestamp; when a second power supply signal provided by the backup power supply is detected to reach the reference signal, recording a current third timestamp; and determining the fault condition of the power supply system during the backup power switching process based on the recording status and timing relationship of the first, second, and third timestamps, thereby achieving accurate identification of the fault condition during the backup power switching process.

The invention discloses an optimal power distribution method for a large-scale photovoltaic power station to respond to secondary frequency modulation regulation of a power grid. The method comprises the following steps: clustering inverters in the large-scale photovoltaic power station by using an FCM algorithm; decomposing a large-scale photovoltaic power station problem into top layer control and bottom layer control according to a clustering result; summarizing the adjusting capabilities of all inverters in the clustering group, and distributing power in top layer control according to the summarized adjusting capability of the whole group; optimization is carried out in top layer control by using a FATA algorithm; transmitting an optimal solution obtained in top layer control to bottom layer control, and distributing AGC signals to each inverter in a group according to a proportion; and outputting the optimal adjustment power input of each inverter, monitoring the response condition of the inverter in real time, and performing adjustment and optimization in the next control period according to feedback data. According to the method, the optimization complexity of bottom layer control can be reduced, the calculation efficiency of large-scale power station AGC scheduling is improved, and larger reactive power reserve is provided while the power deviation is minimized.

Provided are a method for predicting a treatment response to cancer immunotherapy, the method comprising a step of evaluating, from feces isolated from a patient, the enrichment of a strain of the order TANB77 according to GTDB phylogenetic classification or taxa belonging to the order TANB77, and a step of predicting a treatment response of the patient to cancer immunotherapy on the basis of the enrichment of the order TANB77 or the taxa; a probiotics composition for improving a treatment response; a fecal microbiota transplantation composition; and a method for screening for candidate prebiotics by using same.

This invention discloses an adjustable clearance reciprocating compressor and its control method, belonging to the field of compressor technology. The reciprocating compressor includes a cylinder body with a piston chamber, a main piston in the piston chamber, and an intermediate piston in the piston chamber. The intermediate piston and the main piston form a compression chamber. It also includes an adjustment mechanism, which includes a partition plate and a metal diaphragm. The intermediate piston and the partition plate form a first chamber, the partition plate and the metal diaphragm form a second chamber, and the metal diaphragm and an end plate form a third chamber. The partition plate has a channel connecting the first and second chambers, and the channel is equipped with the control mechanism. The third chamber is equipped with an oil supply system. The control method is based on the reciprocating compressor. This solution not only enables clearance adjustment of the reciprocating compressor but also features reliable compressor sealing performance and optimized stress on the metal diaphragm to extend its service life.

The present invention relates to the field of intelligent monitoring technology, specifically to an intelligent refrigeration host energy efficiency monitoring system, the system includes a data acquisition and processing module, a time series analysis module, an energy efficiency control module and an abnormal response module, based on temperature sensor data, collects time series data of the refrigeration host under different operating states, and corrects the time deviation value and data volume normalization. The present invention accurately processes time series data through a dynamic time bending algorithm, and can monitor the operating efficiency and state changes of the refrigeration host in more detail, especially showing great advantages in identifying subtle efficiency changes and abnormal patterns. Combined with the intelligent classification of decision trees, the system can respond quickly and accurately when potential problems are discovered, thereby giving early warnings or adjusting strategies. Through early warning mechanisms and immediate parameter adjustments, the reliability and efficiency of the refrigeration host are significantly improved, and energy consumption and operating costs are effectively reduced.

The invention provides a multi-source heterogeneous data fusion and management method for a smart home scene, and the method generates a corresponding equipment linkage rule based on fusion feature vector representation data. And based on the equipment linkage rule, sending an action instruction to equipment in the smart home scene, so that the equipment executes a corresponding action. By integrating and analyzing the data from different devices and sensors, the technical problem of data isolation between intelligent devices is solved, and the real-time state and the user demand in the current scene can be known more accurately, so that the corresponding response can be made more accurately and quickly.

The utility model discloses a tailing pond displacement monitoring device which comprises a displacement sensor, a mounting plate, a fixed seat, an adjusting assembly and two movable shafts, and the top of the fixed seat and the top of the adjusting assembly are movably connected with the two movable shafts respectively. According to the utility model, the adjusting assembly is arranged at the bottom of the displacement sensor, so that the following advantages can be brought, and the monitoring and detection precision is improved: 1, the displacement sensor adapts to different surfaces: the sensor can better adapt to the surfaces with different inclination angles through the adjusting assembly, so that the displacement change can be more accurately measured; 2, the sensitivity is improved: the sensitivity of the sensor can be optimized by the adjusting assembly, so that the sensor can make quick and accurate response to tiny displacement change; and 3, error elimination: the angle of the sensor can be adjusted through the adjusting assembly, the influence of errors is eliminated or reduced, and the measurement precision is improved.

This invention belongs to the technical field of silicon-based piezoresistive high-pressure sensors, and specifically relates to a dual-island beam membrane high-pressure sensor chip and its fabrication method. The chip features a dual-island beam on a sensitive membrane; a set of piezoresistive strips are arranged on the upper surface of the dual-island beams, positioned along two center lines of the chip body; the dual-island beams include an island and an island, with their ends connected to the device layer, insulating layer, and support layer via a beam body; the upper surfaces of the islands are flush with the upper surface of the beam body; this significantly enhances the lateral and longitudinal stress difference in the stress concentration area, making the stress concentration effect more pronounced, improving the sensor's sensitivity, and ensuring reliable measurement results under various operating conditions.

The invention is applicable to the technical field of intelligent terminals, and provides a webpage data tamper-proofing method and device, terminal equipment and a storage medium, the method comprises the following steps: monitoring a change event of a webpage document object model based on an internal monitoring mechanism and an external monitoring mechanism, the change event acts on a key data node in an isolation protection area in the webpage document object model; when the change event is monitored, whether unauthorized tampering occurs in the isolation protection area or not is judged based on an actual monitoring mechanism of the monitored change event, and the actual monitoring mechanism is any one of the internal monitoring mechanism and the external monitoring mechanism; and if unauthorized tampering occurs, executing corresponding tampering prevention processing according to a preset processing strategy corresponding to the actual monitoring mechanism. According to the webpage data tamper-proof protection method and device, real-time and efficient tamper-proof protection on the webpage data can be achieved in a pure front-end environment on the premise of not depending on rear-end intervention, and the webpage data safety is improved.

The utility model discloses a high-temperature heat source segmented cooling type absorption heat pump unit, and belongs to the technical field of heat exchange equipment. The heat pump is additionally provided with the warm water preheating recoverer, warm water adopts a parallel and series segmented heating process, and the warm water outlet temperature is increased; a high-temperature heat source is sequentially connected in series to pass through the regenerator, the solution preheating recoverer, the warm water preheating recoverer and the low-temperature heat source water preheating heat exchanger, so that stepped efficient utilization of the high-temperature heat source is realized, and meanwhile, the water inlet temperature of low-temperature heat source water is increased; a solution overheating recoverer is additionally arranged, overheating heat of a concentrated solution is recovered to heat a dilute solution, the flash evaporation amount of the concentrated solution is reduced, and waste heat recovery maximization is achieved; a U-shaped refrigerant water coil pipe is additionally arranged, so that the flash evaporation amount of refrigerant water in the evaporator is reduced, and the heat exchange efficiency is improved; a high-temperature heat source U-shaped coil pipe is additionally arranged, crystallization is prevented, and the use safety of the unit is improved; and by adopting multiple prevention and control means, PID control and load pre-judgment regulation and control, accurate regulation and control of the load are realized, and the operation of the unit is more stable.

The invention relates to the technical field of display equipment, and provides display equipment and a display method.The display equipment comprises a displayer, a player and a first controller, and the first controller is configured to send a user intention to a second controller when the user intention meets a preset condition; and after the control instruction sent by the second controller is received, the interaction content is obtained according to the control instruction sent by the second controller, and the interaction content is pushed to the user according to the control instruction sent by the second controller. According to the technical scheme, after the user intention is obtained through the first controller, the second controller generates the control instruction according to the user intention when the user intention meets the preset condition. Therefore, the second controller completes the decision-making task with relatively high computing power resource consumption, so that the first controller can accurately and quickly respond to the intention of the user, and meanwhile, the execution effect of other control tasks of the first controller is prevented from being influenced.

The invention relates to the technical field of risk early warning, and discloses a high biosafety risk workshop liquid leakage alarm method and device, and the method comprises the steps: arranging a plurality of detection wires in a cofferdam, and enabling the detection wires to cover and exceed the orthographic projection area of a virus bioreactor, so as to monitor the possible virus liquid leakage condition; when virus liquid leakage is detected by the detection lead, liquid leakage signals are collected, processed and analyzed; a sound-light alarm is triggered to inform field operators and operators on duty in a central monitoring room to respond to potential safety risks in time; the sound-light alarm information is transmitted to a server of a central monitoring room, and the server is used for displaying the equipment state and storing and analyzing leakage alarm records. The system comprises a detection lead, a PLC controller, a sound-light alarm module and a central monitoring room. According to the invention, efficient monitoring and response of virus liquid leakage are realized, and the safety and scientificity of workshop management are improved. And a perfect monitoring and response mechanism is formed.

The invention discloses a vehicle safe driving method, device and equipment and a storage medium, and relates to the technical field of man-machine interaction and reinforcement learning, and the method comprises the steps that according to obtained vehicle parameters, the driving intention of surrounding vehicles is determined, and the vehicle parameters comprise the vehicle parameters of the surrounding vehicles and the vehicle parameters of a control vehicle; according to the vehicle parameters and the driving intention, the trained neural network is applied to generate a driving decision for controlling the vehicle, and the vehicle is controlled to run according to the driving decision. According to the invention, when the driving decision is generated, the driving intention of the surrounding vehicles is considered, the problem that the human driving behavior cannot be predicted is improved, and the probability of occurrence of traffic accidents is reduced.

The present invention discloses a multi-system linkage method and device for dam safety monitoring under emergency conditions, which is particularly suitable for improving the safety monitoring capability of dams in emergency situations such as earthquakes through real-time monitoring and response mechanisms. First, through the linkage of multiple sensors, data collection of the dam status is realized and stored in the database; secondly, the Flink CDC streaming data synchronization tool is used to realize real-time monitoring and fusion of strong earthquake data stored in the SQL Server database; then, the data identified as abnormal is published to the Kafka message queue in real time to ensure rapid information transmission; finally, the monitoring system determines the degree of hazard of abnormal data, automatically executes the call task, uses pyautogui to simulate mouse click operations, and simulates the execution process of the dam safety monitoring system. The present invention combines modern data synchronization technology, message queue and image recognition technology to effectively improve the efficiency and response speed of dam safety monitoring.

The utility model relates to the field of PVC (polyvinyl chloride) pipe fittings, in particular to an anti-reverse-overflow three-way pipe which comprises a three-way pipe main body, the three-way pipe main body comprises a first pipe fitting arranged along the vertical direction and a second pipe fitting fixed on the first pipe fitting, the first pipe fitting is communicated with the second pipe fitting, and the anti-reverse-overflow three-way pipe further comprises a hollow base and a sealing piece. The bottom end of the first pipe fitting is communicated with the upper end of the base, the sealing element is of a hollow structure and is slidably mounted in the base, and when the base is blocked, the upper end of the sealing element moves into the first pipe fitting to seal the joint of the second pipe fitting and the first pipe fitting. After the pipeline is blocked, the sealing piece floats upwards under the action of buoyancy to seal the second pipe fitting, so that the anti-overflow effect is achieved.

The invention provides a tunnel safety prompting system and method based on real-time vehicle speed, and belongs to the technical field of driving safety guidance. The tunnel safety prompting system comprises a vehicle speed information prompting screen arranged outside a tunnel entrance, a first group of vehicle speed detection equipment arranged on a detection support outside the tunnel entrance, and a second group of vehicle speed detection equipment arranged on a detection support outside the tunnel entrance; the vehicle sensors are arranged on the two sides of a road between the outside of the tunnel entrance and the tunnel entrance in a partitioned mode, the second set of vehicle speed detection devices are arranged at a plurality of positions inside and outside the tunnel respectively, the lane changing acousto-optic warning indicator is arranged on the outer wall of the tunnel, and the second vehicle information processor is arranged on the wall of the tunnel entrance; the first vehicle information processor is arranged on a tunnel entrance wall body; according to the invention, acousto-optic guidance can be carried out on vehicles which do not change lanes in time, the speed difference between the vehicles can be reduced by carrying out optimal speed prompt on the vehicles entering the tunnel in advance, meanwhile, the driving influence caused by a black hole effect when the vehicles enter the tunnel is reduced, and traffic accidents are effectively avoided.

The invention discloses a user intention recognition method and device of a UWB remote controller and a computer readable medium, and relates to the technical field of UWB remote controllers, and the method comprises the steps: collecting the motion acceleration and the rotation angular velocity when a user operates the remote controller, and calculating the motion velocity and the velocity variance value of the user operation in the X-axis, Y-axis and Z-axis directions; the micro-motion state and the static state of the user operation are distinguished by analyzing whether the speed variance value exceeds the variance threshold value or not, and if the user operation is in the static state, the pointing algorithm of the user intention is not adjusted, so that unnecessary pointing adjustment can be reduced, and system resources are saved; if the user operation is in the micro-motion state, a pointing algorithm of the user intention is adjusted, so that the pointing algorithm has higher operation pertinence and further responds to the user intention more accurately and quickly, misjudgment or delayed response of the user intention is avoided, remote control operation is more sensitive and responds in time, the pointing effect of the remote controller is improved, and the user experience is improved. And the operation experience of the user is improved.