19results about How to "Implementation status" patented technology

This utility model discloses a data processing board for trackside equipment, belonging to the technical field of subway trackside equipment. It includes a data processing module, a soft-start output module, a power-down voltage monitoring module, an RTC real-time clock module with a first energy storage capacitor, a power supply module with a second energy storage capacitor, and a data interface module. The data processing module is electrically connected to the other modules. The power supply module provides the operating voltage to the board, and its second energy storage capacitor temporarily supplies power to the data processing module during brief external power outages to record the voltage status data at the moment of power failure. The first energy storage capacitor of the RTC real-time clock module maintains clock operation for a preset duration after power failure. This utility model solves the problems of easy data loss and clock failure during power failures in traditional boards. It features high structural integration, stable operation, and accurate recording of power-down fault conditions, meeting the data continuity requirements of subway trackside equipment.

This invention belongs to the field of multi-agent cooperative intelligent control technology, specifically relating to a multi-manipulator cooperative control method for unknown disturbances. The method includes: establishing a dynamic model of a strictly feedback nonlinear multi-manipulator cooperative system; constructing the system's communication topology through a virtual coupling mechanism; building a unified system cooperative error model; introducing a preset time function and a globally preset performance function to map errors to an adjustable constraint performance space, ensuring dynamic convergence of all error signals within the user-defined performance range; designing task-level shape control forces and pose control forces within a distributed gradient descent framework to construct an overall task-level control force, driving the multi-manipulators to move cooperatively and maintain a stable formation in the task space; and designing a joint-level distributed adaptive control law under unknown disturbances using the passive characteristics of the nonlinear system. This invention enables multi-manipulator systems to achieve cooperative convergence and stable control within a preset time under unknown disturbances.

The invention provides a boiler device for waste heat recovery, which relates to the field of waste heat recovery and comprises a boiler body, and a tube bundle heat exchange mechanism and a rotary heat tube mechanism which are connected in sequence. The tube bundle heat exchange mechanism is provided with a first tube bundle arranged in the flue gas channel; a smoke inlet of the rotating heat pipe mechanism is communicated with a smoke outlet of the pipe bundle heat exchange mechanism, and a rotating shaft with a second pipe bundle and a built-in heat pipe is arranged in the rotating heat pipe mechanism. And the flue gas backflow mechanism communicates the flue gas outlet of the rotary heat pipe mechanism with the hearth through a backflow pipeline and a fan. The self-cleaning mechanism comprises a flow guide plate arranged on the inner wall of the shell, a scraping plate which is fixed on the rotating shaft and is in contact with the flow guide plate, and an ash bucket at the bottom. Efficient and lasting waste heat recovery is achieved through heat exchange combination of the rotary heat pipe and the pipe bundle; the self-cleaning mechanism automatically removes dust; the flue gas backflow mechanism regulates and controls low-temperature flue gas to return to the hearth, and deep energy recovery is achieved. The system integrates monitoring and safety mechanisms, operation controllability and stability are guaranteed, and the heat efficiency of the boiler is integrally improved.

This invention discloses a data management and control system and method for fermentation production process based on sensor data analysis, belonging to the field of intelligent data management and control technology. The invention collects multimodal sensor data and extracts process characteristic parameters, calculates the correlation coefficients between these parameters, and constructs a real-time correlation matrix. Based on the fermentation production time, the current fermentation production stage is determined. The real-time correlation matrix is ​​compared with a standard correlation matrix to obtain the correlation structure difference. When the correlation structure difference exceeds a preset difference threshold, the current process state is identified. The current process state is compared with the standard process state to obtain the state difference result, and a control strategy is selected and executed accordingly. The degree of convergence of the real-time correlation matrix to the standard correlation matrix during the control process is monitored, and the control intensity is adjusted. When the correlation structure difference is less than a preset recovery threshold, the control operation is stopped.

The utility model discloses a pneumatic lifting vibration platform for track slab production, including support frame, roller way wheel and support plate, the support frame upper end is provided with industrial air bag and roller way wheel, industrial air bag is connected with outside gas source, the roller way wheel is connected through transmission assembly to realize the transportation to the vibration mould, the industrial air bag upper end is fixedly provided with support plate, the support plate is provided with the avoidance groove to roller way wheel, the roller way wheel sets up in avoidance groove, the support plate bottom is provided with the vibration motor, and the vibration mould sets up support plate top, the utility model discloses a pneumatic lifting structure, compared with traditional vibration platform, and vibration transmission efficiency is higher, and the energy loss in the vibration process is smaller, can make the concrete faster vibration forming, improves production efficiency, and service life is longer, and the noise is smaller.

This utility model discloses an automatic testing device for UV curing lamp holder circuit boards, including a testing board and a switching power supply. The testing board is equipped with a CAN communication bus that is electrically connected to and exchanges data with the lamp holder circuit board. The testing board is connected to and controls an air intake fan, UV lamp beads, and a resistance switching output module. The switching power supply provides DC power to the testing board and the lamp holder circuit board. This utility model provides test conditions and acquires test data for the lamp holder circuit board through the air intake fan, UV lamp beads, and resistance switching output module, thus eliminating the need to assemble the lamp holder circuit board into a lamp holder for actual testing, thereby improving the efficiency of lamp holder circuit board testing.

The application discloses a lactoferrin freeze-dried powder and a preparation method thereof, and relates to the technical field of food processing and biological products. The preparation method comprises the following steps: placing a lactoferrin solution in a freeze-drying device, supercooling the lactoferrin solution to obtain a supercooled sample; starting a forced freezing program to cool the supercooled sample to below-35 DEG C, and rapidly freezing the supercooled sample for 1-3 hours to obtain a rapidly frozen sample; and sequentially performing sublimation drying and resolution drying on the rapidly frozen sample under vacuum conditions. In the application, supercooling is performed before freezing, the freezing process can be actively and accurately controlled, and the flowability of the lactoferrin freeze-dried powder can be significantly improved by inducing the formation of small and uniform ice crystals; and the method is safe and efficient without the need of adding a flow agent.

This application discloses a damage detection method, electronic device, storage medium, and computer program product, relating to the field of nondestructive testing technology. The method includes: scanning a composite material to be tested using a terahertz time-domain spectroscopy system to obtain the original time-domain echo signal of the composite material, wherein the composite material to be tested is a glass fiber reinforced polymer composite material; preprocessing the original time-domain echo signal to obtain target image data; extracting features from the target image data to obtain damage features; predicting the geometric offset of the damage features; and locating the damage target in the composite material to be tested based on the geometric offset and the damage features. This application solves the technical problem of poor detection effect in existing nondestructive testing technologies.

This application relates to a wireless lock system, including a wireless lock, a communication module, a relay module, and a control module. The communication module is communicatively connected to the wireless lock and the relay module. The relay module receives commands from the control module and transmits them to the wireless lock via the communication module. The control module is communicatively connected to the relay module and outputs control commands, including unlocking and closing the wireless lock. This system can efficiently manage multiple wireless locks, achieving remote control, status monitoring, and orderly communication under low power consumption conditions, significantly improving the reliability and applicability of the wireless lock system.

This invention relates to the field of data processing technology, specifically to a GIS 3D dynamic modeling and analysis system and method integrating big data and cloud platform networks. It includes: a multi-source geographic data acquisition unit; a distributed data processing unit; a cloud platform support unit; a 3D dynamic modeling unit for constructing a 3D dynamic model of a geographic scene, achieving real-time updates of the 3D dynamic model based on multi-source data fusion technology; an intelligent analysis unit for performing multi-dimensional geospatial analysis of the 3D model, outputting pattern mining and trend prediction results through improved spatiotemporal analysis algorithms; and a visualization and interaction unit. This invention constructs a dynamic access channel and automated fusion mechanism for multi-source heterogeneous geographic data, integrates a big data distributed parallel processing framework and the elastic resource scheduling capabilities of a cloud platform, breaking the closed-loop limitations of traditional BIM+GIS static data integration, and achieving efficient incremental iteration of large-scale geographic scene 3D models.

The application belongs to the technical field of automatic welding and industrial robot control, and relates to a welding molten pool state monitoring and control method and device based on visual feedback. The method comprises the following steps: controlling an industrial camera to perform position translation, so that a to-be-welded area enters the effective field of view range of the industrial camera; in a welding process, continuously collecting images of the welding area to obtain multiple welding images; performing weighted fusion on the multiple welding images to obtain a fused image, and performing preprocessing on the fused image to obtain a preprocessed image; performing molten pool state recognition based on the preprocessed image to obtain current molten pool state parameters and corresponding welding defect information; comparing the current molten pool state parameters with preset target parameters of the molten pool to obtain a state deviation, and generating corresponding driving instructions according to the state deviation; and performing multi-stage posture adjustment and fine positioning control on the industrial camera based on the driving instructions, so that the welding molten pool is kept at an optimal observation viewing angle.

This invention discloses a multi-scenario anti-collision early warning device and method for power maintenance, including a laser curtain wall protection module, a crane movement monitoring module, a positioning base station module, an alarm module, and a main control module. The laser curtain wall protection module has a crane movement monitoring module at one end. During use, when an object is detected approaching a set boundary, an audible and visual alarm is triggered. The positioning base station module 3 is placed in a suitable position and, after placement, can cooperate with other modules to provide accurate positioning information, ensuring the normal operation of the device. The alarm module 4 and main control module 5 control and manage each module. When an abnormal situation is detected, the alarm module is triggered in a timely manner to issue an audible and visual alarm, ensuring that the entire power maintenance system can provide anti-collision early warning in different scenarios. Thus, the multi-scenario anti-collision early warning device and method for power maintenance are completed.

This invention discloses a method for identifying early aging faults in photovoltaic (PV) combiner systems based on harmonic trajectories, belonging to the field of PV power generation system fault identification technology. The method includes: acquiring DC current signals from the collecting bus at measurement points in the PV DC combiner system; performing a Fast Fourier Transform (FFT) on the DC current signals to obtain frequency domain features; extracting the harmonic amplitudes of the DC current signals at the first and second harmonics of the switching frequency of the DC converter on the PV module side from the frequency domain features; constructing a harmonic trajectory based on the harmonic amplitudes at the first and second harmonics; and determining whether an early insulation aging fault has occurred based on the changing trend of the harmonic trajectory. This invention solves the problems of high cost, susceptibility to environmental interference, and the need for complex external signals or reliance on large amounts of data for training in existing PV system early insulation aging fault identification methods.

The application discloses a system for realizing InSAR deformation time series analysis and fault creep event detection, and relates to the technical field of geophysical monitoring.The system comprises a comprehensive monitoring platform, and the comprehensive monitoring platform is in communication connection with the following modules: a time series noise filtering module, which is used for extracting a creep deformation signal related to a fault sliding mechanism from original InSAR deformation data of a target detection area by adopting a space-time adaptive filtering algorithm in combination with wavelet transform and independent component analysis, filtering out the interference of seasonal hydrology, thermal expansion and non-tectonic noise, and obtaining a filtered time series component sequence.The application can effectively separate and inhibit seasonal hydrology, thermal elastic deformation and other non-tectonic noise by adopting the combination of wavelet transform and independent component analysis, retain time series components highly related to fault creep activities, and significantly improve the extraction precision of tectonic signals in InSAR deformation data.

The utility model provides a kind of adjusting device and test head, including platform, test head cabinet, hinge assembly, adjusting device, the adjusting device is rotatably installed on platform by hinge assembly, the adjusting device is detachably connected with test head cabinet to drive the turnover and position adjustment of test head cabinet;By the rotation of hinge assembly, so that adjusting device and test head cabinet whole rotation, realize the closed state and the open state between lid and platform, and by adjusting device, the position fine adjustment of test head cabinet in horizontal direction and vertical direction can be realized, so that the probe on test head cabinet can be accurately connected with probe card on platform.

The application relates to a hand-automatic type clutch push rod structure and an electric locking shield door in the technical field of shield doors. The hand-automatic type clutch push rod structure is installed on the electric locking shield door and comprises a box assembly, a push rod assembly and a motor assembly. The motor assembly and the push rod assembly are connected through a clutch assembly. The hand-automatic type clutch push rod structure and the electric locking shield door are provided with the clutch assembly between the motor assembly and the push rod assembly, the connection or separation of the motor assembly and the push rod assembly is realized through the clutch assembly, the manual and electric states of the push rod are switched, the structure is simple, the operation is convenient, the assembly with the shield door is easy to realize, the structure of the shield door is simplified, and the overall weight and the manufacturing cost of the shield door are reduced.

This invention discloses a method, device, and electronic device for monitoring the status of users in a room. The method includes: scanning a preset space within the room using a lidar sensor to obtain a sequence of three-dimensional point cloud images corresponding to the preset space; using a point cloud data analysis model to identify the three-dimensional point cloud image sequence to obtain information about the status of users present in the preset space; and executing response measures corresponding to the user status information. This invention solves the technical problems of high complexity and poor security in related methods for monitoring the status of users in a room.

The application discloses a kind of remote switch control systems, including control computer, AC / DC, relay, internal DC power supply system;The low-power low-cost microprocessor integrated with control circuit in the control computer is matched, wherein the control circuit is divided into two categories of strong and weak electricity according to control demand, and the weak electricity is used for internal DC DC 28V (AC / DC generation) and remote power-on analog interface DC 28V control switching, and the strong electricity is used for AC 220V on-off.The application can effectively isolate the strong electricity area with the design idea of weak electricity controlling strong electricity, guarantee the safety of users and maintenance personnel, reduce the demand for system users through the centralized control and monitoring of main control room, meet the modernization construction demand of main control equipment in large and complex systems, and has the characteristics of stable and reliable operation.