15results about How to "Quick implementation" patented technology

The invention discloses a distributed multi-node remote sensing satellite multi-mode integrated scheduling method, and belongs to the field of remote sensing satellite ground task management and control. The method comprises the following steps: a main center performs overall management on various remote sensing satellites of each node, performs demand preprocessing, multi-type satellite joint task planning and proper scheduling mode decision aiming at various observation demands, and performs multi-type satellite node task integrated scheduling according to different scheduling modes; and sending the scheduling task order to each corresponding satellite node to perform observation task planning and satellite control implementation, collecting task order states to perform demand state feedback and tracking closed-loop management, and performing iterative scheduling on non-closed-loop demands. According to the method, joint application of multi-type satellite node resources, advantage complementation and sharing service, online scheduling and rapid task implementation are realized, the use efficiency of multi-type remote sensing resources is greatly improved, and the demand timeliness and the observation effect are improved.

The application discloses a kind of vehicle-mounted glass dimming method and device, it is related to vehicle-mounted glass control technical field, method includes: using front-stage Boost circuit converts input direct-current power into fixed amplitude direct-current bus voltage;Receiving transparency instruction and analysis obtains target drive voltage effective value;Based on target drive voltage effective value and direct-current bus voltage, the modulation ratio of sinusoidal pulse width modulation control signal is calculated;According to the modulation ratio, using unipolar frequency multiplication SPWM mode generates drive signal, to drive the output modulation waveform of rear-stage full-bridge inverter circuit;After filtering processing, it is converted into sinusoidal alternating voltage and drives dimming glass.The application realizes stepless regulation of output voltage by software adjustment modulation ratio, eliminates the dimming delay caused by large-capacity capacitor charging and discharging;At the same time, unipolar frequency multiplication modulation is combined with voltage closed-loop feedback, output high-precision, low-harmonic sinusoidal alternating voltage, effectively avoids dimming glass flicker and liquid crystal molecule polarization damage.

The application provides a coiling method of a strip steel. Firstly, the height of a coiling position of the strip steel is judged. When the height of the coiling position is greater than a preset height limit value, different positions of the coiling position of the strip steel are lifted, and the forward rotation of a conveying roller is controlled at the same time, so that the coiling position is loosened, the height of the coiling position is lowered, and then the strip steel is cold-coiled. The application uses the inherent equipment and tools in the production site, and cooperates with the operation, so that the production accident of the coiling of the strip steel can be quickly handled, the time of the production accident is greatly shortened, the flame gas cutting is avoided, the fire operation is not needed, and the application is safe, convenient, fast and easy to implement.

This invention relates to a modular steel box girder hoisting system specifically designed for confined spaces. It includes a tractor unit, two hoisting modules, and a transport module. Each hoisting module comprises a first vehicle body and a crane mounted on the first vehicle body. The transport module includes a second vehicle body, which is a flatbed trailer with a support surface on top to support the steel box girder. Linkage joints are provided between the tractor unit and the first vehicle body, between the tractor unit and the second vehicle body, and between the first and second vehicle bodies to enable their linkage. Interconnectable linkage joints are also provided at the front and rear ends of the first and second vehicle bodies. Support devices are provided on the left and right sides of both the first and second vehicle bodies to keep them stationary. Using this design, the invention provides a highly efficient modular steel box girder hoisting system specifically designed for confined spaces.

This invention provides a multi-source fusion-based system and method for calculating peak fatigue levels in runners of up to 10,000 users. The system includes a data acquisition module, a data preprocessing and fusion module, a peak fatigue calculation module, a safety early warning and coordinated intervention module, a data security and privacy protection module, and a backup data acquisition unit. The core functionality involves collecting five-dimensional, multi-source, safety-related data on runners' physiological, exercise, environmental, individual, and subjective factors through the data acquisition module. A simplified version of non-invasive electromyography (EMG) signals is introduced to identify latent muscle fatigue. A dual-layer fusion architecture of "edge + cloud" is adopted, combined with a federated learning model, to achieve deep fusion of multi-source data while protecting runner privacy, constructing a personalized dynamic fatigue threshold model. The system calculates peak fatigue levels based on a real-time safety-oriented fatigue index, implements closed-loop intervention through a four-level graded early warning mechanism linking multiple terminals, and ensures data security through three-link redundant transmission, data anonymization and encryption. The backup acquisition unit ensures full coverage of data from up to 10,000 users.

The invention discloses a buried optical cable burial depth measuring method based on distributed optical fiber vibration sensing, and the method specifically comprises the following steps: S1, determining a to-be-measured point of a buried optical cable, selecting a plurality of sampling points at a to-be-measured burial depth place, and generating a ground surface vibration source with a fixed amplitude at the sampling points by using a vibration generation tool; the DAS host is used for monitoring the vibration intensity of each point of the to-be-measured optical cable, and the point with the highest vibration intensity is selected as the to-be-measured point of the buried optical cable; s2, determining an optical cable ground surface position right above the buried optical cable to be measured; and S3, setting a plurality of optical cable sections at a buried optical cable measurement point, using the vibration generation tool again at the ground surface position right above the optical cable in the S2 to generate vibration, recording the vibration amplitude of the optical cable sections through the DAS host, and calculating to obtain the buried depth of the to-be-measured optical cable. The optical cable is used as a sensor, and other measurement hardware does not need to be deployed on a measurement site; the method is not influenced by changes of environmental factors such as soil texture, and is high in adaptability.

This invention discloses an object activity sensing system, method, device, and storage medium. The system includes: an ultrasonic transmitting module for continuously transmitting ultrasonic signals; an ultrasonic receiving module for continuously receiving and processing spatially propagating sound wave signals to obtain multi-channel ultrasonic signals; an ultrasonic preprocessing module; an ultrasonic positioning module for calculating the motion trajectory of a moving object; an ultrasonic activity detection module for detecting whether there is a moving object within a specific range; and a decision module for determining whether there is an object within a given distance D1 and whether there is a moving object within a given distance D2, where D2>D1. This invention can simultaneously detect the presence of stationary objects at close range and moving objects at a distant distance. It is fast and convenient to implement, can directly use the audio hardware built into electronic devices without increasing hardware costs, and is highly efficient. It has significant application value and enormous economic value in fields such as smart homes and consumer electronics.

A data-driven model-based method for predicting and classifying particle flow inside a rotary drum is presented. This method combines particle flow data generated by a discrete element method (DEM) model of the rotary drum to extract features related to particle motion behavior. A data-driven model is constructed using a Long Short-Term Memory (LSTM) method to predict the temporal characteristics of the flow data of mixed particles inside the rotary drum, and further classifies the rotary drum under various operating conditions. This method, combined with the DEM model, provides visualization of the trajectory of each particle and collects macroscopic and microscopic data representing the characteristics of particle flow inside the drum. Based on the data-driven model, this method extracts feature representations related to particle motion behavior from historical data of the DEM simulation and establishes a mapping relationship related to the motion state by mining the entire process data of mixed particle motion. Therefore, the prediction and classification method for mixed particle flow inside a rotary drum can be implemented at low cost, higher efficiency, and faster.

This utility model relates to the field of weld bead cleaning technology, and specifically to an adapter used in a weld bead cleaning gun. Its features include an inner connecting pipe and an outer connecting pipe that can be detachably coupled to a brush head via a retaining sleeve. The inner and outer connecting pipes are connected and aligned. This utility model facilitates quick and easy assembly and disassembly of the brush head, saving time and effort and effectively reducing inconvenience to production. Furthermore, it boasts advantages such as simple structure, high reliability, and wide applicability.

The invention discloses an active power distribution network security domain description method considering inertia and voltage support, which comprises the following steps: firstly, establishing a branch load flow model of an active power distribution network, then establishing an energy storage system operation model considering virtual inertia support capability, secondly, establishing an operation model considering voltage-reactive V-Q droop control of the photovoltaic inverter, wherein the model comprises droop control constraint and photovoltaic capacity constraint; and finally, proposing an adaptive piecewise linear reconstruction algorithm, and efficiently and accurately describing a P-Q security domain of interaction between the active power distribution network and the main network, which meets the inertia requirement and the voltage reactive power control, by adaptively adjusting the sampling step length, and further constructing a P-Q-inertia three-dimensional security domain which meets the system inertia requirement and the voltage reactive power control constraint.

This invention provides a traceable segmented data acquisition method, apparatus, and storage medium, relating to the field of data acquisition and secure recording technology. The method divides the acquisition process into multiple data acquisition segments during a data acquisition session and generates segment identifiers. Data from the data source is mapped to a unified record body and bound to the segment identifier. An evidence header containing a segment sequence number, data source anchor reference, and evidence digest value is generated for each unified record body and stored in an append-only manner. At the end of each segment, a segment checkpoint is generated, and time-witness information is obtained to form segment anchor information. Consistency verification and traceability verification of the record order within the segment are achieved by outputting a replay verification data packet. This solution is suitable for sequential proof and trusted recording in continuous acquisition scenarios.

The application discloses a kind of distributed multi-node remote sensing satellite multi-mode integrated scheduling method, belong to remote sensing satellite ground task management and control field.The method includes: main center carries out overall management to each node each type remote sensing satellite, for each type observation demand, demand preprocessing is carried out, multi-type satellite joint task planning, decision suitable scheduling mode, according to different scheduling mode carries out multi-type satellite node task integrated scheduling, sends scheduling task order to corresponding each satellite node and carries out observation task planning and satellite control implementation, gathers task order state and carries out demand state feedback and tracking closed loop management, carries out iteration scheduling to un-closed loop demand.The application realizes multi-type satellite node resource joint application, complementary advantages and shared service, online scheduling and task fast implementation, greatly improves the use efficiency of multi-type remote sensing resource, and improves demand timeliness and observation effect.

The utility model relates to portable oxygen generator field especially, it is an oxygen inhalation nozzle that realizes fast oxygen inhalation, the oxygen inhalation nozzle is integrated in hand -held oxygen generator, and the oxygen inhalation nozzle is used for contacting mouth or nose to guide oxygen, including cover body, be equipped with the oxygen inhalation portion that extends to the outside side on the cover body, and the oxygen inhalation portion sets up the oxygen outlet, including branch air pipe, the branch air pipe includes the main air pipe for connecting hand -held oxygen generator and respectively extends to the branch pipe of oxygen outlet, and the main air pipe inner diameter of main air pipe is greater than the branch pipe inner diameter of branch pipe, the utility model is especially applicable to in hand -held oxygen generator.

The invention provides a bridge pier stud spiral inner rib steel pipe reinforcing structure and a construction method, and relates to the technical field of bridge engineering. The problems that according to an existing reinforcing structure, the cohesiveness of a steel pipe and core concrete is poor, slippage is likely to occur, the restraining effect on the concrete is limited, the material consumption is large, and economical efficiency is poor are solved. The device comprises an outer wrapping metal sleeve, a spiral inner rib and a concrete layer, the outer wrapping metal sleeve is arranged on the periphery of a to-be-reinforced bridge pier column in a sleeving mode, spiral inner ribs are arranged on the inner wall of the outer wrapping metal sleeve, and the space between the outer wrapping metal sleeve and the to-be-reinforced bridge pier column is filled with a concrete layer. The device is mainly used for reinforcing the bridge pier column.