2278 results about "Gate control" patented technology

The invention relates to the technical field of gate control, and discloses a gate control method and system based on dynamic cooperative scheduling and a storage medium. The method comprises the following steps: carrying out fatigue quantification on gate torque change and adjustment times through a strain sensor to obtain a comprehensive health index; establishing an adjustment frequency and equipment degradation correlation model according to the health index to obtain degradation prediction data; coupling and fusing the water level flow data and the degradation prediction data to obtain a water regimen-equipment coupling prediction result; a coupling prediction result is optimized through an adaptive weight algorithm, and a differentiated scheduling strategy of the healthy gate and the aged gate is obtained; and performing corresponding control processing on the healthy gate and the aging gate to generate a cooperative control instruction sequence. The technical problem that in an existing gate control technology, water regimen changes and equipment state evolution are independently processed, and differentiated collaborative scheduling based on equipment health constraints cannot be achieved is solved.

The invention relates to the technical field of cold storage door control, and discloses a cold storage door opening and closing control method which comprises the following steps: acquiring multi-mode sensing information related to operation of a cold storage door system; driving a digital twinborn model based on the multi-mode sensing information, and analyzing the current state and predicting the future state of the cold storage door system by using the digital twinborn model; based on the multi-mode sensing information and the analysis and prediction result of the digital twinborn model, a deep reinforcement learning algorithm is adopted to generate a cooperative control instruction for the cold storage door opening and closing motion and the operation of at least one energy-saving device; and executing the cooperative control instruction. Energy flow is accurately simulated and predicted by using a high-fidelity digital twinborn model, and the actual traffic demand is accurately judged in combination with multi-modal perception, so that a deep reinforcement learning agent can generate a cooperative control instruction with the lowest comprehensive energy consumption as a target, and active intelligent energy saving is realized.

The invention relates to the technical field of digital information transmission, in particular to an information security transmission method of a stadium security platform based on the Internet of Things. The method comprises the following steps: integrating a TPM 2.0 security chip to an Internet of Things sensing layer, and applying the TPM 2.0 security chip to gate equipment of a stadium; an electromagnetic locking / control device and a forced synchronization mechanism are arranged on the gate equipment, and physical locking control is carried out on the gate equipment; standardized identity information data are collected through an RFID identity verifier in the gate device; and controlling an electromagnetic locking / control device and a forced synchronization mechanism based on the standardized identity information data to generate a gate control instruction. According to the stadium security and protection platform, an efficient, safe and reliable stadium security and protection platform is constructed by integrating a TPM 2.0 chip, electromagnetic locking control, RFID identity verification, dynamic micro-isolation and a block chain technology.

The invention discloses an elastic resource allocation and barrier gate linkage control system and method for mixed traffic of parking lots, a medium and equipment, and the system comprises a vehicle type recognition module, a dynamic resource allocation module, a cooperative control decision module, an emergency channel management module and a multi-mode communication module. According to the parking lot mixed traffic management system integrating vehicle-road cooperative communication, double-layer game optimization and elastic resource pool division, an independent resource pool and a dynamic quota adjustment mechanism of automatic driving vehicles and manual driving vehicles are constructed, and a charging pile-barrier gate cooperative optimization unit and a multi-stage emergency response protocol are combined; the global optimization of parking lot resource allocation and traffic control is realized, and the problems of prominent resource competition contradiction, separation of barrier gate control and resource allocation, insufficient intelligence of an emergency response mechanism and short delay of multi-mode communication and decision cooperation in a mixed traffic scene are solved.

The invention provides a display device which is characterized in that two cascaded gate drive circuits are spaced by X gate drive circuits, and the phase difference of first clock signals corresponding to the two cascaded gate drive circuits is (X + 1) H, the effective level of a first gate control signal corresponding to the compensation transistor and the effective level of a second gate control signal corresponding to the data transistor are at least partially overlapped; the effective level of a second gate control signal corresponding to the data transistor is located between two first effective levels of a first clock signal applied by a gate drive circuit corresponding to the compensation transistor, and the phase difference between the effective level of the second gate control signal corresponding to the data transistor and one of the two first effective levels is larger than 0 and smaller than (X + 1) H, therefore, in the same sub-pixel, the effective level of the second gate control signal corresponding to the data transistor does not coincide with the moment when the voltage drop of the first gate control signal corresponding to the compensation transistor occurs, and the problem of uneven display is solved.

The invention discloses a biological monitoring equipment fault-tolerant control method based on a network security policy, and relates to the technical field of medical equipment management, and the method comprises the steps: S1, obtaining a historical operation log monitored by biological monitoring equipment, extracting a service life, combining with a time sequence data sequence and fault history, fusing long-term dependence capture, and forming an initial data set; s2, processing the initial data set through a long short-term memory network, capturing a time sequence dependency relationship between performance degradation and fault history by applying a forgetting gate mechanism and input gate control, obtaining a quantization vector of a change trend by utilizing output gate adjustment and cell state updating, and fusing hidden state output; according to the biological monitoring equipment fault-tolerant control method based on the network security policy, the reliability and the fault-tolerant capability of wetland zone micro algae monitoring equipment are remarkably improved, the service life of the equipment is prolonged, and the maintenance cost is reduced.

Disclosed herein is a single photon avalanche diode (SPAD) pixel circuit, including a SPAD having an anode coupled to a negative voltage and a cathode and a cascode transistor having a drain coupled to the cathode of the SPAD, a gate controlled by a cascode control signal, and a source. A readout circuit is coupled to the source of the cascode transistor and configured to detect a voltage change at the source of the cascode transistor and generate a pulse indicating an occurrence of an avalanche event. An active quenching circuit is coupled to the cathode of the SPAD and configured to detect an onset of the avalanche event and pull the cathode of the SPAD to a negative voltage to quench the avalanche event.

The invention discloses a preparation method and application of a glucose sensor based on an acupuncture needle, the sensor is prepared based on a specific structural design and a molecular recognition mechanism by taking the acupuncture needle as a substrate, and high-specificity and high-sensitivity detection of glucose concentration is realized through drain current change. According to the present invention, the biosensor has the ultra-wide dynamic detection range (0-40 mmol.L <-1 >), covers the clinical range from hypoglycemia to severe hyperglycemia, has the low detection limit of 54 mol.L <-1 >, has excellent grid regulation and control ability, shows the significant on-off ratio and the rapid response characteristic during the detection process, and meets the requirements of the biosensor on sensitivity and real-time performance; and the device has quick response capability to grid voltage change, so that the device has good stability and repeatability under repeated operation, and a direction and a basis can be provided for the development of a blood glucose monitoring technology with continuous, real-time and accurate characteristics.

A method of driving a transistor between switching states includes controlling a transition of a gate voltage at a gate terminal of a transistor during each of a plurality of turn-off switching events to turn off the transistor, wherein the transistor is configured to be turned off according to a desaturation time during each of the plurality of turn-off switching events; measuring a transistor parameter indicative of a voltage slew rate of the transistor for a first turn-off switching event during which the transistor is transitioned from an on state to an off state; and regulating a duration of the desaturation time for a next turn-off switching event based on the measured transistor parameter.

A scan driver includes stages which sequentially output scan signals to scan signal lines during an active period of an N-th frame, and at least one of the stages includes an output node controller that supplies a gate-on voltage to a pull-up node in response to a gate control signal of a display driver; and an output controller that outputs a scan signal to a scan signal line by outputting a scan clock signal to a scan signal line in case that the gate-on voltage is supplied to the pull-up node, wherein the output node controller includes a thin-film transistor including a first active layer, and directly or indirectly connected to the pull-up node, and another thin-film transistor including a second active layer including an oxide semiconductor material different from a oxide semiconductor material of the first active layer, and directly connected to the pull-up node.

The invention relates to the technical field of water conservancy control, and discloses a water conservancy project cofferdam gate control system based on a PLC, and the system comprises a hydraulic drive and detection assembly and a controller. A discrete state observation module, a disturbance characteristic identification module, a virtual axis parameter scheduling module and a control law synthesis module are configured in the controller. The discrete state observation module reconstructs a system state and estimates total disturbance; the disturbance characteristic identification module judges normal, jamming or turbulent working conditions according to the disturbance characteristics; the virtual axis parameter scheduling module adjusts the virtual stiffness and the damping coefficient in real time according to the working condition, or executes an asymmetric auxiliary escape strategy; the control law synthesis module combines state feedback and feed-forward compensation to generate a control voltage. Through multi-modal parameter scheduling, water flow impact and non-linear friction interference are effectively overcome, decoupling under the turbulent working condition and flexible protection and auxiliary escape under the jamming working condition are achieved, and the synchronization precision and safety of gate control are improved.

The invention provides an intelligent gate control access method and system based on driver identification and data mapping, and is applied to the field of data processing. The gateway edge computing node is arranged in the water conservancy terminal, automatic identification and protocol adaptation of the gate control equipment are achieved, the tedious process of traditional manual configuration of a communication channel and protocol driving is avoided, manual intervention is effectively reduced, after the equipment is accessed, the variable format and the equipment function of the equipment can be analyzed, and the control strategy can be automatically matched and executed; if the strategy cannot be directly applied, dynamic verification and behavior analysis can be carried out based on simulation data, the linkage relation between the equipment and the upstream and downstream areas is further constructed, the strategy adaptability and the equipment universality are enhanced through the mechanism, the intelligent level, the operation reliability and the automation capability of the gate control system can be improved, and the application prospect is wide. The method is especially suitable for intelligent water conservancy scenes of large-scale equipment heterogeneous access and unified control.

The present invention relates to the technical field of anti-tailgating doors, and particularly to an anti-tailgating corner door control device and a usage method. The device includes a corner door, a lock tooth assembly, an electric door locking device, a sensor, and an in-built door closer device; alternatively, it further includes an external door closer device and a door shaft; or it further includes an external door closer device and a set of hinge hinges; the corner door includes a flat door and a shielding door, and the flat door and the shielding door are connected at a 90-degree angle; the lock tooth assembly and the electric door locking device are installed on the door frame, and the in-built door closer device is installed in the lower door frame or buried under the ground; the external door closer device is installed on the door frame, and one end of its arm is installed on the corner door; or the external door closer device is installed on the corner door, and one end of its arm is installed on the door frame. The device is designed with an angular door + access control system, achieving a small floor area, fast entry and exit of the warehouse door, and preventing tailgating entry and exit.

The invention discloses a Yellow River water conservancy project real-time monitoring system based on edge computing, and particularly relates to the technical field of cloud computing. The system constructs a flow state characteristic interval by collecting water and sediment data; loading an algorithm component based on flow state characteristics, and changing a master control pointer by using atomization operation to realize calculation power logic hot switching; analyzing a difference value between the instantaneous torque of the motor and the no-load reference to obtain a sediment deposition resistance torque; mapping the resistance moment to a digital shadow table to extract a gain compensation parameter; and resetting controller parameters and modulating the pulse width signal according to the compensation coefficient, and outputting a driving voltage to control the gate. Through the edge end algorithm hot switching technology, the problems that a traditional system is difficult to adapt to the variable water and sediment working conditions of the Yellow River and logic updating shutdown are solved, and monitoring continuity is guaranteed. The defect of power mismatching of a single driving mode is overcome, motor overload and mechanical jamming are prevented, gate control accuracy and operation stability are greatly improved, and the service life of equipment is greatly prolonged.

A light-emitting diode (LED) control unit includes: a pulse generator configured to generate a pulse signal; a T-filter configured to convert the pulse signal into a triangular wave signal; a first gate driver configured to receive the triangular wave signal and output a first gate control signal; a second gate driver configured to receive the first gate control signal and output a second gate control signal; a first switch configured to turn on a first LED string corresponding to a first color temperature based on the first gate control signal; a second switch configured to turn on a second LED string corresponding to a second color temperature based on the second gate control signal; and a power supply circuit configured to supply a power supply voltage to the pulse generator, the first gate driver, and the second gate driver by stepping down an operating voltage of the LED driver.

The invention discloses an OEO amplifier with a high-speed hard switching function and an optical transmission system, and relates to the technical field of optical amplifiers, the OEO amplifier comprises three magneto-optical switches, an optical splitter group, a photoelectric detector group, a real-time comparison circuit, a logic gate control circuit and a driving circuit; the photoelectric detector group collects optical signal power to generate an electric signal; the real-time comparison circuit performs voltage threshold judgment on the electric signal; the logic gate control circuit is connected with the output end of the real-time comparison circuit so as to synchronously control the switching states of the three magneto-optical switches according to a voltage threshold judgment result; the driving circuit is used for driving the magneto-optical switch to synchronously execute a switching action; when the OEO amplifier detects that optical signals in any direction are interrupted, all the magneto-optical switches finish synchronous switching within 100 microseconds, and the end-to-end optical signal switching time difference is smaller than 2 picoseconds. The method is suitable for a single-fiber bidirectional optical communication environment requiring high frequency, high precision and high stability.

The embodiment of the invention relates to the technical field of intelligent vehicles, and discloses a tail gate control method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring positioning information of a UWB digital key; judging whether the UWB digital key is located in a target range or not according to the positioning information; the target range is adjacent to a projection area of a projection device at the tail of the vehicle; if it is determined that the digital key is located in the target range, controlling the projection device to project a projection area on the ground; and a target UWB anchor point installed at the tail of the vehicle in a UWB digital key system of the vehicle is controlled to detect the target limb action, and if the target limb action is detected and the target limb action is carried out in the projection area, a tail gate control instruction is generated. The UWB anchor point of the UWB digital key is reused as the kick detection radar, the cost can be reduced, the projection device is controlled according to the relation between the position of the UWB digital key and the kick detection area, and the accuracy of kick detection projection prompt is improved.

A display device includes a timing controlling circuit configured to generate image data, a data control signal and a gate control signal; a data driving circuit configured to generate a data signal using the image data and the data control signal and generate a mux signal using an offset signal, a high level voltage signal and the data signal; a gate driving circuit configured to generate gate signals, emission signals using the gate control signal; and a display panel including pixels that are configured to display an image using the data signal, the mux signal, the gate signals, and the emission signals, wherein the mux signal is one of the high level voltage signal and voltage that is a sum of the data signal and the offset signal, and the mux signal is supplied to a power line that is connected to a pixel included in the display panel.

The invention discloses a sluice intelligent control data real-time processing method based on edge calculation, and relates to the technical field of sluice control data analysis, and the method comprises the following steps: obtaining the basic feature data of a sluice, obtaining the sluice opening degree flow relation, and collecting the related data of a water body in real time; in the water gate opening or closing process, the gate passing flow under different opening degrees is collected, data preprocessing is carried out, and basic opening degree flow data are obtained; theoretical opening flow analysis is carried out to obtain theoretical opening flow data; gate blockage analysis is carried out based on the basic opening flow data and the theoretical opening flow data, and the gate blockage condition is obtained; the method is used for solving the problems that when an existing water gate control data analysis technology is used for diagnosing and analyzing the water gate blocking condition through the lockage flow, blocking abnormity and opening abnormity cannot be accurately distinguished according to the deviation between the theoretical lockage flow and the actual lockage flow in the gate opening change process, and meanwhile the blocking condition cannot be judged.

The embodiment of the invention provides a barrier gate control method and device, a management and control all-in-one machine and a storage medium, and relates to the technical field of video monitoring, the method is applied to a monocular camera arranged on the front face of the management and control all-in-one machine, and the management and control all-in-one machine further comprises a binocular camera arranged on the side face; the method comprises the following steps: acquiring each abnormal event reported by a binocular camera and the occurrence time of each abnormal event; determining an initial control mode about the barrier gate based on the license plate recognition result; if the initial control mode is to open a barrier gate, whether an abnormal event exists in a lane area indicated by the detection area currently or not is analyzed based on the occurrence time of the currently obtained abnormal event; if the abnormal event exists, correcting the initial control mode based on the current abnormal event to obtain a target control mode, and controlling the barrier gate based on the target control mode; and if not, controlling the barrier gate based on an initial control mode. According to the scheme, the intelligent degree of barrier gate control can be improved.

The invention discloses a multi-branch industrial ventilation intelligent regulation and control system and method based on a PLC. According to the system, a closed-loop control network is formed by an infrared sensor, a wind speed sensor, a PLC (Programmable Logic Controller), an air door control cabinet, an electric valve, a frequency converter, a frequency conversion fan and an upper computer. The infrared sensor is responsible for monitoring the running state of each production line in real time. The wind speed sensor is used for detecting the wind speed in the wind pipe and verifying wind quantity balance. The PLC processes all sensor data and outputs a control instruction. On one hand, the opening degree of the electric valve is adjusted through the air door control cabinet, and on the other hand, the rotating speed of the fan is adjusted in real time through the frequency converter. The upper computer is used for system parameter monitoring, threshold setting and data interaction with the manufacturing execution system. According to the system, on-demand adjustment of multi-branch ventilation is achieved through intelligent closed-loop control, the problem of response lag of a traditional control mode is effectively solved, the dust removal efficiency and the energy utilization rate are remarkably improved, and safe and efficient operation of the industrial environment is guaranteed.

The invention discloses a short-term power load prediction method and device, terminal equipment and a storage medium, and belongs to the field of power grid load prediction.The method comprises the steps that a power load time sequence in a preset interval is obtained, the power load time sequence is processed through metamorphosis mode decomposition, a plurality of mode components are obtained, and the center frequency of each mode component is calculated; inputting the modal component of which the center frequency is smaller than or equal to a preset threshold value into a bidirectional gate control unit to obtain a first prediction result; inputting the modal component of which the center frequency is greater than a preset threshold value into a preset long-short-term memory network to obtain a second prediction result; a memory enhancement unit is introduced into the preset long-short-term memory network; the memory enhancement unit is used for updating and storing historical information; and fusing the first prediction result and the second prediction result to obtain a load prediction value. Therefore, the technical problem that in the prior art, an effective load time sequence data processing mechanism cannot be constructed, and the long-term dependency feature of the sequence cannot be fully captured can be solved.

The invention relates to the technical field of automobile safety, and provides an electric tail gate anti-pinch control method and system, which introduces a prediction + self-adaption intelligent decision normal form, on one hand, the motion information of a tail gate is obtained, and the time sequence data of an obstacle is combined to be input into an LSTM model to predict the track of the obstacle; a collision prediction conclusion is output to be matched with a graded speed reduction strategy to execute tail gate control, and through prediction in advance, the system response efficiency is effectively improved, and the clamping damage probability is reduced; and on the other hand, when a contact signal of the tail gate is detected, real-time contact force and real-time vehicle working condition information are obtained in real time, a dynamic anti-pinch threshold value is calculated and compared with the real-time contact force for analysis so as to execute tail gate control, the dynamic anti-pinch threshold value is dynamically adjusted according to the vehicle working condition and the tail gate state, scene adaptation is carried out, the anti-pinch recognition accuracy can be improved, and the safety of the vehicle is improved. The false triggering probability is reduced; therefore, the electric tail gate anti-pinch system which is faster in response, more intelligent and more reliable is obtained.

A vehicle door control device 1 according to the present invention relates to a vehicle door control device 1 for controlling opening and closing of a door of a vehicle, wherein the vehicle door control device 1 comprises: a handle member 30 attached to the door; an entry detection sensor 31 for detecting entry of an object into a space between the door and the handle member 30; an external force detection sensor 32 for detecting application of an external force to the handle member 30; and a circuit portion 4 connected to the entry detection sensor 31 and the external force detection sensor 32, the circuit portion 4 releasing a latch of the door when the external force detection sensor 32 detects the application of the external force and the entry detection sensor 31 detects the entry of the object.

The invention relates to the technical field of water conservancy gate control, and discloses a water conservancy gate control system based on multi-source information fusion, and the system comprises the steps: driving a gate to complete the reciprocating motion of opening and closing, and carrying out the verification of an obtained power sequence based on physical symmetry, so as to establish a reference passing the internal quality verification; then, in actual operation, real-time power vibration is compared with the reference to diagnose the real-time operation state of the gate, by introducing a reference self-checking mechanism, the fragile mode that a traditional control system depends on initial data credible assumption is avoided, control logic is evolved into active process auditing from passive result confirmation, and the real-time operation state of the gate is diagnosed. According to the invention, the system can diagnose the health degree of the operation process of the system, thereby guaranteeing the purity of a diagnosis reference, carrying out the real-time early warning of potential operation risks, and achieving the improvement of the long-term operation reliability of hydraulic facilities.

The invention relates to the technical field of fabric treatment equipment, in particular to fabric treatment equipment, a drying control method and electronic equipment. The fabric processing equipment comprises a fabric processing barrel and a drying system, the drying system comprises a plurality of sub-air ducts, and the sub-air ducts are all communicated with the interior of the fabric processing barrel to achieve regional air supply in the fabric processing barrel; each sub-air duct is provided with a sub-air door which can be controlled and adjusted; the controller is electrically connected with the multiple air duct air doors, and in the drying process, the controller cooperatively controls all the air duct air doors by obtaining temperature and / or humidity parameters of different areas in the fabric processing barrel, and uniform drying and heating of the fabric in the fabric processing barrel are achieved. According to the device, the multiple sub-air ducts correspond to all the designated areas, uniform covering and accurate adjustment of hot air in the fabric processing barrel can be achieved, and therefore the drying efficiency of the fabric is improved, and the use experience feeling of a user is improved.

The invention discloses a hydraulic intelligent balance regulation and control method and platform for multiple systems of a heat exchange station, and relates to the technical field of hydraulic balance of central heating systems, and the method comprises the steps: obtaining the real-time operation data of multiple heating systems of the heat exchange station, calculating the heat consumption data of a unit area, analyzing the hydraulic unbalance, and obtaining a hydraulic supply state parameter set; temperature change parameters of the heat exchange station are monitored, and a climate compensation adjustment curve is constructed in combination with hydraulic unbalance indexes; collaboratively optimizing the two to generate a multi-system valve control instruction set; adjusting and monitoring according to the instruction set and then feeding back and backtracking, and constructing a hydraulic balance regulation and control strategy to realize intelligent control. The technical problems that due to the fact that regulation and control of the multiple heat supply systems of the heat exchange station are lack of pertinence and collaboration and inaccurate in state judgment, heat supply is uneven and energy consumption is too high are solved, and the technical effects that the operation states of the multiple systems of the heat exchange station are precisely controlled and cooperatively adjusted, heat supply balance is improved, and overall energy consumption is reduced are achieved.

The invention relates to the technical field of bag-type dust removers, and particularly discloses a bag-type dust remover control terminal with a protection structure, which comprises a control box, the front surface of the control box is provided with a double door, and the control box is internally provided with a plurality of mounting plates through a plurality of arranged quick disassembly and assembly mechanisms; and protection mechanisms and cleaning mechanisms are arranged on the front faces of the multiple mounting plates correspondingly, and an auxiliary disassembly and assembly mechanism is arranged on the inner top face of the control box. According to the device, the protection mechanism is arranged around the control module, when the control module is on fire, the protection cover in an unfolded state can shield and protect the control module on which the fire is on fire, and when flames generated by the control module are large, the inner wall of the protection cover can be burnt through, so that dry powder in the protection cover is rapidly discharged outwards, and the safety of the device is improved. And the fire phenomenon of the control module is rapidly extinguished, so that the loss and negative influence caused by the fire in the control box are reduced, and the use requirements of people on the high protection performance of the control terminal equipment are met.

A control system for a fuel cell electric vehicle (FCEV) includes a controller that is configured to control a fuel delivery system to release fuel via an injector with a selected fuel tank valve among a plurality of fuel tank valves controlled to be in an open state and with the other fuel tank valves controlled to be in a closed state. The control is further configured to cause a corrective action in response to a fuel characteristic indicating the selected fuel tank valve is stuck closed.

The invention provides a barrier gate control method and system for automatically identifying a vehicle, and the method comprises the steps: capturing vehicle information data through license plate recognition equipment in a passing region, and generating vehicle recognition data; dynamically controlling the state of a tide indicating lamp and the rising and falling of a barrier gate according to the vehicle identification data, and synchronously generating a traffic data set in combination with environment mode data; performing strategy optimization on a gate opening counting threshold value, a car following prevention timeout coefficient and a barrier gate response speed based on the passing data set, and generating a strategy instruction set; collecting the operation state of each device in the passing area in real time, and generating a device operation data set; and executing the physical response according to the strategy instruction set and the equipment operation data set, and generating a control instruction execution data set. Traffic data are dynamically generated, gate opening threshold and other parameters are optimized, response is executed in combination with the equipment state, traffic flow and time period changes can be adapted, and the management efficiency is improved.