5794 results about "Connection control" patented technology

The device comprises a control system, the control system is elastically connected with a multi-stage energy consumption mechanism, the control system is connected with one end of a first stay wire, and the other end of the first stay wire is used for being connected with the power transmission line and is provided with a monitoring system; the monitoring system is connected with the control system to transmit collected information to the control system, the multi-stage energy dissipation mechanism is elastically connected with the supporting plate, the supporting plate is connected with one end of the second pull wire, the other end of the second pull wire is used for being connected with a ground foundation, the multi-stage energy dissipation mechanism comprises a shell, and the two sides of the shell are elastically connected with the control system and the supporting plate respectively. A collision friction damping assembly, an eddy current damping assembly and a magnetorheological fluid damping assembly are arranged in the shell, wherein the eddy current damping assembly and the magnetorheological fluid damping assembly are connected with the control system. By the adoption of the control device, the defects of traditional vibration reduction measures are overcome.

The invention relates to the technical field of packaging, in particular to an intelligent metering method for remnant base paper rolls of a corrugated paper board assembly line. The intelligent metering method for the remnant base paper rolls of the corrugated paper board assembly line comprises steps as follows: a plurality of base paper feeding positions are arranged in the conveying direction of the assembly line at intervals, a base paper feeding frame is arranged in each base paper feeding position, and two base paper feeding rolls located on two sides of each base paper feeding frame are arranged on the base paper feeding frame; each base paper feeding roll is provided with lap recording sensors and incremental encoders, the lap recording sensors are used for monitoring the number of paper feeding laps of base paper clamped on the corresponding base paper feeding roll, the incremental encoders are used for monitoring the length of each lap after the base paper on the base paper feeding roll passes by one lap, and the lap recording sensors and the incremental encoders are connected with a controller. Intelligent metering can be realized, the operation cost of an enterprise is reduced, labor is saved, and the utilization rate of enterprise resources is increased.

The invention discloses a nail gun and a control method thereof, and the nail gun comprises a shell; the air cylinder is connected to the shell and is used for storing gas; at least part of the percussion assembly is arranged in the air cylinder, and the percussion assembly can move to a percussion position from an initial position in the air cylinder so as to knock out nails; the motor at least can drive the striking part; the battery pack is used for supplying power to the motor; the parameter detection unit is configured to be capable of detecting working parameters of the motor or electrical parameters of the battery pack; the controller is at least connected with the parameter detection unit; the controller is configured to obtain the working parameters of the motor and / or the electrical parameters of the battery pack in at least one nailing period, and determine the air pressure in the air cylinder according to the working parameters and / or the electrical parameters in the at least one nailing period.

The invention discloses a digital twin-driven machine tool adaptive control method and system and a machine tool control system, and the machine tool control system comprises a data collection unit, a data transmission unit, a twin model unit, a data processing unit, a control decision unit, an adaptive algorithm unit, a control execution unit, a machine tool execution unit and a feedback monitoring unit. The output ends of the data acquisition unit, the twin model unit and the data processing unit are connected with the input end of the data transmission unit; the output end of the data transmission unit is connected with the input end of the control decision unit; according to the method, the control strategy is adjusted in real time through the self-adaptive control algorithm to cope with the change of system parameters and external disturbance, and the advantages of dynamic response capability, robustness enhancement, performance optimization, manual intervention reduction, nonlinear system processing, safety improvement, complex task implementation and the like are provided. The advantages enable the adaptive control algorithm to become an important control means in many modern engineering applications.

The invention relates to the technical field of power distribution cabinet safety monitoring, and discloses a power distribution cabinet fault early warning system and method, and the system comprises an acquisition module which comprises a sensor; the control module is electrically connected with the acquisition module and comprises a monitoring unit, a judgment unit, an early warning unit and a feature extraction unit; the monitoring unit is configured to collect sensor data and preprocess the sensor data; the feature extraction unit is configured to extract sensor data and perform windowing interpolation processing on the sensor data; the judgment unit is configured to input the sensor data into a pre-trained state model for comparison, and determine the current operation state of the power distribution cabinet based on a comparison result; the early warning unit is configured to determine abnormal areas based on the abnormal state and send corresponding early warning information based on the abnormal areas. According to the invention, harmonic abnormity caused by nonlinear load or equipment aging can be identified, and the early warning precision is improved.

The invention provides a session establishment method and device, equipment and a storage medium, relates to the technical field of communication, and is used for solving the problem of relatively low session establishment efficiency between user equipment and a communication network. The method is applied to a connection control function network element, and comprises: receiving a connection establishment request message from a user equipment, the connection establishment request message comprising a data network name of a target network to which the user equipment requests session access and identification information of the user equipment; and determining a temporary identifier of the target network registered by the user equipment according to the identifier information of the connection control function network element. And establishing a target data tunnel between the user equipment and the target network according to the connection establishment request message. And sending a connection establishment acceptance message to the user equipment, the connection establishment acceptance message being used for indicating the user equipment to perform session access with the target network through the target data tunnel based on the temporary identifier.

The invention relates to the technical field of data transmission optimization, can be applied to business scenes of federated learning, financial science and technology, medical health and the like, and discloses a block-based data optimization transmission method, device and equipment and a medium, and the method comprises the steps that a memory configuration instruction is sent to control a receiving end to configure a receiving memory area, the method comprises the steps of dividing original data into a plurality of data blocks, adding header information to an initial data block, transmitting the initial data block to a preset initial address, sequentially transmitting other data blocks to an offset address corresponding to a sequence position, sending a verification completion instruction to control a receiving end to verify the header information, and receiving a verification completion signal fed back by the receiving end, the method is used for confirming whether data blocks are completely written. Through the head information of the initial data block and in combination with the transmission sequence and the verification mechanism, the sending end can obtain the data writing state without continuous connection control, the integrity confirmation capability of data transmission is improved, and the data distribution requirement in a non-ideal network environment is met.

The invention provides a smart grid-connected control method and system based on edge computing, and relates to the technical field of power system control, and the method comprises the steps: deploying edge computing equipment, and building an edge computing node and a central control communication network; acquiring real-time monitoring data of a power grid, and performing grid-connected power feature recognition analysis; carrying out topological structure integration according to the topological structure of each grid-connected power grid, and constructing a grid-connected complete topological structure; determining a feature traversal path, and identifying and positioning different power grid nodes; and performing grid-connected deviation regulation and control, and determining a grid-connected control strategy. According to the invention, the problem that the data processing speed is slow and the stability of power grid operation is influenced due to the fact that the traditional power grid connection control depends on a central server in the prior art can be solved, and the operation stability of the power grid is influenced by deploying edge computing equipment at key nodes, constructing a complete power grid topological structure, identifying power grid nodes with differences and performing regulation and control. Therefore, the stability and the operation efficiency of grid connection of the power grid are improved.

The invention provides a control system, method and equipment based on intelligent treatment of flotation gas. The system comprises a monitoring unit, an evaluation unit, an operation unit, an identification unit and a control unit, the evaluation unit is connected with the monitoring unit and the operation unit. The control unit is connected with the operation unit and the recognition unit. The monitoring unit is used for monitoring flotation gas information of the target area; the evaluation unit is used for evaluating the flotation gas information by adopting a preset artificial intelligence (AI) algorithm to obtain an evaluation result corresponding to the flotation gas information; the operation unit is used for determining operation information related to the exhaust fan in the target area based on the evaluation result; the recognition unit is used for collecting picture information corresponding to abnormal working conditions in the target area and determining a recognition result corresponding to the picture information by adopting a preset AI image analysis algorithm; and the control unit is used for controlling technological parameters corresponding to the flotation gas in the target area based on the operation information and the recognition result.

The invention relates to a wireless communication system and method based on reconfigurable FPGA componentization development, through key technologies such as elaborately designing a CPU side FPGA proxy component and an FPGA side static / dynamic component connection control matrix and the like, the waveform of an FPGA component can be quickly and dynamically reconfigured, the waveform reconfiguration speed can reach the millisecond level, and the reliability of the system is improved. Compared with the prior art, the method has the advantages that the BIT file code of the whole FPGA is directly updated to reach the second level, the code updating rate of the system can be increased by about 1000 times, the method can well adapt to the instantly changing frequency spectrum condition in a modern emergency rescue scene, high-speed real-time reconstruction switching is automatically carried out on the waveform, and the reliability of wireless communication is powerfully guaranteed.

The invention provides electronic equipment, the electronic equipment comprises an antenna, the antenna takes a conductive part of a frame of the electronic equipment as a radiator, and the experience of a user during satellite navigation or communication can be improved. The antenna further comprises a first feed circuit, a second feed circuit and a tuning circuit. The first feed circuit is used for transmitting an electric signal of a first frequency band, and the second feed circuit is used for transmitting an electric signal of a second frequency band. A controller of the electronic equipment is electrically connected with a tuning circuit of an antenna, and the controller is used for switching the circuit state of the tuning circuit to enable the antenna to work in a first frequency band or a second frequency band.

The invention provides a flexible convolution operation accelerator based on a systolic array. The flexible convolution operation accelerator is used for solving the technical problem that the hardware scale of an existing convolution operation accelerator is difficult to flexibly adjust according to different hardware platforms. The system comprises an input cache module, a pulsation matrix, an accumulation logic unit and an output cache module which are connected in sequence, the input cache module comprises a weight cache module and an image cache module, and the weight cache module and the image cache module are both connected with the pulsation matrix. The weight cache module, the image cache module, the pulsation matrix, the accumulation logic unit and the output cache module are all connected with the controller, and the controller and the output cache module are both connected with an external memory through a BUS. The systolic array and the flexible cache module are utilized, the functions of data storage and data format conversion can be achieved at the same time, hardware logic overhead is reduced, high memory access efficiency is achieved, and configuration of the accelerator scale and various convolution parameters is supported.

The invention provides a variable load adjusting coal pulverizing system and method, electronic equipment and a storage medium. The system comprises a monitoring module, a coal mill and a control module. The monitoring module is connected with the coal mill and the control module and used for monitoring running state data of the coal mill and sending the running state data to the control module. The control module is respectively connected with the coal mill and the monitoring module, and the control module is used for performing data analysis on the load related data and the operation state data of the generator set, determining the operation condition of the generator set and generating a control instruction of the coal mill according to the operation condition; the coal mill is connected with the monitoring module and the control module and used for adjusting the internal circulation rate of the coal mill according to the control instruction. Compared with the prior art, the internal circulation rate of the coal mill can be accurately adjusted according to different load change conditions; and the condition of large parameter fluctuation in the running process of the coal mill can be avoided.

The invention relates to an intelligent heart electrophysiological signal analysis and Jiangshi connecting line optimization system and method, and belongs to the technical field of electrocardio systems, the system comprises a plurality of modules for cooperative work, a data acquisition module is used for acquiring human body 12-lead electrocardiogram and intracardiac electrogram signals and executing a pace-making stimulation function; the signal preprocessing module filters received signals, the feature extraction module extracts time domain, frequency domain and nonlinear features, the deep learning module identifies abnormal heart rhythms by using a pre-training model, the parameter tuning module dynamically adjusts model parameters and optimizes and analyzes the parameters, and the Jiangshi connecting line optimization module improves signal quality. The intelligent monitoring module automatically monitors multiple indexes, the display interface module visually displays an electrocardiogram, the system compatible module is connected with multiple devices, and the control module coordinates all the modules to ensure efficient operation of the system.

The invention relates to the technical field of FFC wire rod conductivity testing, in particular to testing equipment and a testing method for FFC wire rod processing. Comprising a base and supporting legs on the lower surface of the base. The upper surface of the base is fixedly connected with a vertical plate; one side of the vertical plate is fixedly connected with a controller; an upper driving roller and an upper driven roller are rotationally connected to the side, away from the controller, of the vertical plate at the same horizontal height. The upper driving roller is driven by an upper motor; the outer walls of the upper driving roller and the upper driven roller are in transmission connection with an upper conveying belt; a lower driving roller and a lower driven roller are rotationally connected to the side, deviating from the controller, of the vertical plate at the same horizontal height; according to the FFC wire testing device, FFC wires are continuously placed through the storage grooves in the lower conveying belt, and the testing device can continuously test the FFC wires through transmission of the upper conveying belt and the lower conveying belt, so that the testing is more continuous, and the testing efficiency of the existing processed FFC wires is improved.

The invention discloses an air blowing and suction integrated fan and a control method thereof, and relates to the technical field of fans. The fan comprises fan blades, a shell, a control motor and a ventilation baffle. The control motor is in control connection with the ventilation baffle, and the control motor is used for switching air blowing and suction modes of the fan by changing the angle of the ventilation baffle; an air suction opening and an air blowing opening are formed in the shell; the exhaust inlet and the blow-off nozzle are blocked and separated by a clapboard; the shell and the ventilation baffle plate divide the air suction opening into an inner air suction opening and an outer air suction opening; the air blowing opening is divided into an inner air blowing opening and an outer air blowing opening through the shell and the ventilation baffle. The inner air suction opening and the inner air blowing opening are communicated with an automobile seat ventilation system; the outer air suction opening and the outer air blowing opening are communicated with the outside atmosphere; the fan circuit module comprises a fan interface circuit sub-module, a voltage reduction sub-module, a PWM sub-module, an overvoltage protection sub-module, a fan driving sub-module, a control motor driving sub-module, an MCU sub-module and a fan driving feedback sub-module. Switching of the air blowing mode and the air suction mode of the fan can be achieved.

The invention provides a thermal runaway management system, a computing equipment cluster and a data center, the thermal runaway management system is arranged in the computing equipment cluster, the computing equipment cluster comprises at least one cabinet, each cabinet is internally provided with at least one energy storage device, each energy storage device is provided with at least one energy storage unit, and the energy storage units are connected with the computing equipment cluster. The thermal runaway management system comprises a storage device, a transmission assembly and a control assembly, and a cooling medium is stored in the storage device; the transmission assembly comprises a main pipeline, the main pipeline is connected with the storage device, at least one main connecting pipeline is connected to the main pipeline, at least one sub-connecting pipeline is connected to each main connecting pipeline, and the sub-connecting pipelines are connected with the energy storage unit; the control assembly is arranged on the transmission assembly, and at least part of the control assembly is arranged in the energy storage unit, so that when the environment temperature of the energy storage unit is larger than or equal to the thermal runaway temperature of the energy storage unit, the cooling medium enters the energy storage unit through the transmission assembly.

The invention discloses a water sprinkling system, a control method of the water sprinkling system and a watering cart, and relates to the technical field of roadway watering, the water sprinkling system comprises a water sprinkling module, a control module and a detection module, the water sprinkling module is used for being arranged on a cart body of the watering cart, and the water sprinkling module comprises a power pump, a driving device and a sprinkling structure; a water inlet of the spraying structure communicates with a water outlet of the power pump, a water inlet of the power pump is used for communicating with the water tank, the output end of the driving device communicates with the input end of the power pump, the driving device is in signal connection with the control module, and the control module is in signal connection with the detection module and used for being in signal connection with a power system of the watering cart. The spraying direction and the spraying water amount of the spraying structure can be adjusted. According to the water sprinkling system, the control method of the water sprinkling system and the water sprinkling truck, the dust removal effect can be better, and the operation efficiency is higher.

The invention relates to the technical field of aeration rate control systems, and discloses an intelligent aeration rate control system and an aeration rate control method, and the system comprises a sensor module, a data acquisition module, a control module, an adjustment module and a display module. The sensor module is connected with the data acquisition module, the data acquisition module is connected with the control module, the control module is connected with the adjusting module, and the adjusting module is connected with the display module; an algorithm unit of the control module is combined with a control algorithm and an energy-saving optimization algorithm, intelligent calculation and decision can be carried out according to real-time monitoring data and preset parameters, the aeration rate can be automatically adjusted to adapt to aeration requirements under different water quality and flow conditions, frequent manual intervention is not needed, and the aeration efficiency is improved. The automation level and the intelligent degree of the system are improved, and the display module displays the operation state and the monitoring data of the system in real time, so that an operator can visually know the working condition of the system, discover abnormal conditions in time and take corresponding measures.

The invention relates to the technical field of wafer processing, in particular to a reaction chamber and plasma processing equipment, which comprises a quartz tube, an induction coil, a Faraday shield cage, a state monitoring device, a rotation driving device and a control unit, and is characterized in that the quartz tube is arranged at the top of a processing chamber; the induction coil is arranged around the outer side of the quartz tube; the Faraday shielding cage is provided with a slit, and the orthographic projection of the slit on the circumferential wall of the quartz tube forms an erosion area; the state monitoring device is used for monitoring the erosion area; the driving end of the rotary driving device is connected with the quartz tube or the Faraday shielding cage; the control unit is in communication connection with the state monitoring device and the rotary driving device; according to the invention, through real-time monitoring and an active regulation and control mechanism, the problem of concentrated erosion of plasma to the quartz tube in a high-hydrogen process is effectively solved.

The invention discloses a nut screwing control system and method, and the system comprises a screwing mechanism which comprises a servo motor and a nut screwing tool, and the nut screwing tool is connected with an output shaft of the servo motor; and the control device is in communication connection with the servo motor, and the control device is configured to control the servo motor to operate to enable the nut tightening tool to tighten the nut. The nut tightening tool is driven by the servo motor to achieve automatic tightening, torque and angle data are obtained, and the two parameters and the preset range are subjected to dual comparison judgment, so that the tightening quality is accurately evaluated, and the judgment result is output. The automatic judgment mechanism based on multi-parameter monitoring not only improves the automation level of the screwing process, but also ensures the reliability of screwing quality judgment, effectively solves the problem of inaccurate quality judgment in the nut screwing process of the existing equipment, and can reduce the frequency of manual reinspection.

The utility model relates to a display device which comprises a display panel, a distribution circuit, a backlight assembly and a controller, the backlight assembly is located on the side away from a display face of the display panel, and the distribution circuit comprises at least one data transmission path which is correspondingly connected with at least one driving set of the backlight assembly. The controller is configured to output backlight driving data to the distribution circuit so as to transmit the received backlight driving data to the connected driving group through a data transmission path of the distribution circuit, so that the driving group drives the connected light-emitting component to provide backlight; the controller is further configured to output the display data to the display panel such that the display panel displays a picture. Compared with a complex circuit structure of a backlight controller, normal backlight display of the display equipment can be guaranteed through the controller with enough strong operational capability and the distribution circuit with lower cost, the circuit structure is simplified, meanwhile, the backlight controller with higher cost does not need to be applied, the cost is reduced, and the application range of the display equipment is widened.

The invention discloses a Bluetooth key connection control method and device, equipment, a medium and a product, and relates to the technical field of Bluetooth communication. The connection control method of the Bluetooth key comprises the steps that under the condition that a vehicle and the Bluetooth key are in a connection state, motion data of a carrier of the Bluetooth key in a first time period and the signal strength of the Bluetooth key are obtained; determining a first motion state of the carrier according to the motion data in the first time period; determining a relative position relationship between the Bluetooth key and the vehicle according to the signal intensity of the Bluetooth key in the first time period; and when the first motion state meets a first disconnection condition and the relative position relationship meets a second disconnection condition, disconnecting the connection between the vehicle and the Bluetooth key. According to the invention, the vehicle power consumption caused by continuous wakeup of the Bluetooth key can be avoided, so that the service life of the vehicle-mounted electronic control unit can be prolonged.

According to some embodiments, a method performed by a wireless device for non-terrestrial network (NTN) connection control comprises receiving a message comprising parameters from which the wireless device is informed that it is to disconnect from a terrestrial network (TN) and connect to one of one or more NTNs or disconnect from a NTN and connect to one of one or more TNs. Upon the parameters informing the wireless device to connect to one of one or more NTNs, the method further comprises: disconnecting from the TN; based at least in part on the one or more parameters, selecting one of the detected at least one of the one or more NTNs; and connecting to the selected NTN. Upon the parameters informing the wireless device to connect to one of one or more TNs: the method further comprises disconnecting from the NTN, and detecting, selecting, and connecting to the TN.

The invention discloses a leveling device and leveling equipment, relates to the technical field of mine blast hole environment detection, and aims to solve the technical problem that the accuracy of a detection result is affected as an existing hole environment detection device is easily in an inclined state during use. The leveling device comprises a base, an adjusting assembly, a mounting frame, a gradienter and a control module, wherein the adjusting assembly is connected with the base; the mounting frame is connected with the hole environment detection device, the gradienter is arranged on the mounting frame, and the mounting frame is in transmission connection with the adjusting assembly; the control module is electrically connected with the gradienter and the adjusting assembly. The leveling device is connected with the hole environment detection device through the mounting frame, the control module can automatically drive the adjusting assembly to adjust the space posture of the mounting frame according to the deflection angle data fed back by the gradienter, it is ensured that the mounting frame is always kept in the horizontal state, and the posture of the hole environment detection device is synchronously corrected; and the detection result accuracy of the hole environment detection device is improved.

The present application provides a complex programmable logic device (CPLD)-based data processing method and system, and a computing device. The CPLD is arranged on a hard disk backplane of a server, and the hard disk backplane supports a universal backplane management (UBM) protocol; the hard disk backplane comprises an HFC connector for connecting to a RAID controller and a DFC connector for connecting to a hard disk slot, and the CPLD is connected to the HFC connector and the DFC connector, respectively. The method comprises: when a hard disk is inserted into the hard disk slot, determining an interface type of the hard disk according to a signal level transmitted by the DFC; processing interaction data between the RAID controller and the hard disk according to the hard disk interface type, wherein the interaction data comprises data indicating the hard disk interface type, data indicating a hard disk state and read / write operation command data; and transmitting the processed data to the RAID controller or the hard disk so as to achieve hard disk management, wherein the hard disk comprises a hard disk of an SAS / SATA / NVME interface type. In this way, new logic functionality is added to an existing logic chip of the hard disk backplane to achieve the functionality of the UBM protocol.

The invention provides a battery detection device, a battery module and a battery system detection method. The battery detection device comprises a rigid part, a piezoelectric detection assembly and a control part, the rigid part is suitable for being arranged on the battery cell module in a sleeving mode and attached to the outer wall face of the battery cell module, the piezoelectric detection assembly is attached to the side, away from the battery cell module, of the rigid part, and the control part is electrically connected with the piezoelectric detection assembly. And the control part is configured to determine the state of the battery cell module based on the output voltage data of the piezoelectric detection assembly. According to the battery detection device, the detection of the battery cell module can be realized without a large number of detection sensors, and the detection complexity and the detection cost of the battery cell module are reduced. And a detection element does not need to be arranged in the battery cell module, so that the damage to the mechanical boundary condition of the module is avoided, and the test error caused by the damage to the mechanical boundary condition of the battery cell module can be effectively avoided.

The invention discloses a junction temperature testing device and method for a high-electron-mobility transistor. A current measuring module in the junction temperature testing device for the high-electron-mobility transistor is used for acquiring current flowing through a tested device; the power supply module is electrically connected with the other end of the switch module, and the power supply module and the switch module are connected in parallel with the bus capacitor; the control module is electrically connected with the control end, the driving end and the regulation and control end of the switch module, and the control module is used for providing switching signals for the control end, the driving end and the regulation and control end of the switch module so as to control the switching states of the switch protection module, the tested device and the switch module; the heating plate is used for heating a tested device; the temperature detection module is used for measuring the temperature of the detected device; and the waveform analysis module is electrically connected with the control module, the temperature detection module and the current measurement module, and is used for obtaining and forming an experimental oscillogram of the tested device at the temperature according to the temperature, the current and the conduction time of the tested device controlled by the control module.

The invention discloses a multi-mode portable cognitive screening device which comprises a suitcase, a display screen module, a system control module, a multi-section connecting support module, a key control module, an electroencephalogram acquisition module, a camera module, a Bluetooth headset device, a power module, a voice broadcast module and a peripheral module. Wherein the display screen module, the camera module and the non-invasive eye tracker are arranged on the inner side of a case cover of the suitcase; the system control module is arranged inside a suitcase body of the suitcase and used for being connected with the tablet computer device, and the control key module, the multi-section connecting support module, the electroencephalogram collecting module, the Bluetooth headset device and the key control module are all arranged on the suitcase body part of the suitcase. According to the multi-modal portable cognitive screening device, multi-modal data such as eye movement, electroencephalogram, scales, expressions and gaits in the testing and training process can be collected, the device is portable and simple, the influence of noise is weakened, and the test result is prevented from being influenced.