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13results about How to "Avoid control failure" patented technology

Short message sending control method and device, readable storage medium and equipment

The invention relates to the technical field of computers, and provides a short message sending control method, a short message sending control device, a computer readable storage medium and electronic equipment.The short message sending control method comprises the steps that a preset short message sending rate limiting strategy is acquired, the short message sending rate limiting strategy is used for defining the maximum number M of short messages allowed to be sent in a preset time window; initializing an annular storage area based on the maximum short message number M, wherein the annular storage area is composed of M memory blocks; when a short message sending request is received, obtaining a time difference between the current timestamp and the earliest timestamp recorded in the annular storage area; if the time difference is larger than or equal to the preset time window, the current short message is allowed to be sent, and the current timestamp is written into the target memory block occupied by the earliest timestamp. According to the method, the memory overhead and the processing delay can be remarkably reduced while the condition that the sending amount in any continuous time window does not exceed M strictly can be ensured.
Owner:JD DIGITS HAIYI INFORMATION TECHNOLOGY CO LTD

A method and system for coordinating frequency regulation of an electric-thermal integrated energy system

The application discloses an electric-thermal comprehensive energy system collaborative frequency modulation method and system, the method comprising: obtaining a frequency deviation parameter in an electric power subsystem and a thermal energy storage state parameter in a thermal power subsystem as a real-time frequency modulation parameter; calculating a frequency deviation change rate and combining the real-time frequency modulation parameter to evaluate a thermal energy storage capacity margin value, generating a composite frequency modulation demand index; generating a multi-time scale frequency modulation task; based on the multi-time scale frequency modulation task, generating an electric-thermal weight distribution value by fusing the frequency deviation change rate and the thermal energy storage capacity margin value; generating an electric-thermal collaborative frequency modulation instruction according to the electric-thermal weight distribution value; and executing the electric-thermal collaborative frequency modulation instruction to control frequency modulation devices in the electric power subsystem and the thermal power subsystem. The application adopts a multi-time scale task decomposition and dynamic weight distribution strategy based on a composite frequency modulation demand index, can realize deep collaboration and optimized control of electric-thermal resources, and improves the frequency modulation performance and operation economy of the comprehensive energy system.
Owner:NANJING NORMAL UNIVERSITY

Straight stroke driving type electric actuating mechanism

ActiveCN224154083UEnsure normal telescopic movementInhibit radial movementMechanical energy handlingElectric machineReduction drive
The utility model relates to the technical field of electric actuating mechanisms, in particular to a straight stroke driving type electric actuating mechanism which comprises a speed reducer and a motor, the motor is installed on one side of the speed reducer, a support is fixedly installed at the bottom end of the speed reducer, a limiting plate is welded and fixed to the inner side of the support, and the upper end face of the limiting plate is fixedly connected with a stabilizing assembly. An output shaft is inserted into the stabilizing assembly and fixedly connected with a fixing ring and a positioning ring in a penetrating mode, the stabilizing assembly comprises a hollow pipe, a columnar groove and a strip-shaped groove are formed in the inner side of the hollow pipe, a holding mechanism is slidably connected into the columnar groove, a compression spring is arranged at the bottom end of the holding mechanism, the holding mechanism comprises a sliding ring, and a ring groove and a mounting groove are formed in the sliding ring. According to the utility model, when the output shaft retracts after extending to the maximum stroke, multi-stage buffering and dynamic constraint can be carried out on the retraction motion of the output shaft, and radial movement caused by inertia force is effectively inhibited.
Owner:SHAANXI ZHENGDA AUTOMITAZATION ENG CO LTD

Holder driving motor starting capacitor plate

ActiveCN224289646Uavoid control failureGuaranteed uptimeMultiple dynamo-motor startersStarter detailsCapacitanceElectric machine
The utility model provides a pan-tilt driving motor starting capacitor board. The pan-tilt driving motor starting capacitor board comprises a switch interface module, an arc extinguishing module, a starting capacitor module and a network and power supply transmission interface module which are integrally configured on a circuit board, the arc extinguishing module is respectively connected with a motor limit switch of a holder driving motor, the camera device and the starting capacitor module through the switch interface module, and the network and power supply transmission interface module is configured to supply power to the camera device by external voltage and input network signals; in response to an electric energy signal sent to the pan-tilt driving motor by the camera device, the pan-tilt driving motor is controlled to act through the arc extinguishing module and the starting capacitor module; and in response to the moment that the contact of the trigger generator limit switch is disconnected, the arc extinguishing module absorbs transient voltage generated at the moment that the contact is disconnected so as to control the pan-tilt driving motor to stop acting. According to the application, the electric arc and sparking conditions generated by the position of the contact point in the limit switch during action in an alternating current power supply environment can be effectively inhibited, the contact point is effectively protected, the reliability is improved, the problem of control failure of the pan-tilt is avoided, and long-term stable operation of the pan-tilt is ensured.
Owner:TIANXINYI INTELLIGENT NETWORK TECH (TIANJIN) CO LTD

A photovoltaic power output smoothing method, system, device and medium

The present application belongs to the technical field of photovoltaic power generation, and discloses a photovoltaic output smoothing regulation method, system, device and medium. First, the original photovoltaic output signal is low-pass filtered to generate a reference action, a state vector is input to a pre-trained PPO reinforcement learning model to output a residual action, and after superposition, a combined action instruction is formed. The combined action instruction is then corrected by a power limit and SOC boundary constraint mechanism and output by a teacher model. Subsequently, based on a distillation loss function, a lightweight student model is trained using the teacher output as a soft label for real-time regulation. In this method, low-pass filtering provides a stable reference, reinforcement learning residual compensation compensates for high-frequency fluctuations and non-stationary characteristics, and the constraint mechanism protects the battery life. The distillation process migrates the knowledge of the complex model to the lightweight model, reducing the computational burden. This method significantly improves the smoothing performance, avoids control failure, effectively protects the battery health, and achieves efficient edge deployment, balancing control performance, life management and engineering feasibility.
Owner:NINGBO ORIENTAL UNIVERSITY OF TECHNOLOGY +1

A propeller drive unmanned vehicle formation control method based on amplitude and rate saturation resistance

PendingCN122653300AOvercome Response LagFully predict the physical response process
The application discloses a kind of based on anti-amplitude and rate saturation paddle drive unmanned vehicle formation control method, belong to unmanned vehicle formation control technical field.The existing paddle drive unmanned platform executor is aimed at solving the problem of control failure and system oscillation caused by amplitude and rate saturation constraint in physical level, including: paddle drive unmanned vehicle dynamics model is established integrated executor dynamic characteristics;Based on the dynamics model, the control constraint model for paddle drive unmanned vehicle is constructed;Design anti-saturation formation cooperative control law under combined connected topology.The method offsets saturation deviation by auxiliary compensation system, and combines neural network to estimate system disturbance online.The amplitude and rate saturation problem of paddle drive unmanned vehicle under the vertical plane working condition is solved, the formation stability is maintained under the topology switching environment, and the control accuracy and safety of the system are improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Energy-saving control method and system for preparing HSR dry powder denitration agent

PendingCN121763851AMonitor consumption status in real timeDiversity guaranteedProgramme controlComputer controlFeature extractionControl system
The invention relates to the technical field of energy conservation and environmental protection, and discloses an energy-saving control method and system for preparation of an HSR dry powder denitration agent, and the method comprises the steps: firstly, obtaining real-time parameter data in a preparation process, and carrying out data cleaning and normalization processing to remove noise; secondly, performing multi-dimensional feature extraction on the cleaned data, generating a preparation state portrait, inputting the portrait into an energy-saving optimization model based on artificial intelligence training, outputting an energy-saving score and an optimization coefficient, and dynamically adjusting equipment operation parameters according to a mapping rule of the score and the coefficient; and finally, continuously monitoring the adjusted process, generating an energy-saving audit report and implementing authority hierarchical control. The system comprises a data acquisition module, a portrait modeling module, an energy-saving optimization engine, a control execution engine, an audit backtracking module, a context sensing module and an authority management module, the stability of equipment operation and the reliability of energy-saving control are ensured, and the accuracy of energy-saving control and the overall energy efficiency of the system are improved.
Owner:CHINA GUODIAN CORP HUOZHOU POWER PLANT

A flight attitude adjusting method of a sightseeing flight motorcycle

PendingCN122593348Asuppress highSuppress posture divergence problem
The present application relates to the technical field of aircraft control, and discloses a flight attitude adjusting method for a sightseeing flight motorcycle, which comprises the following steps: constructing a nonlinear dynamic model of the flight motorcycle; monitoring the body tilting angle and its change rate; entering a feedforward compensation mode when the tilting angle enters a critical range or the change rate exceeds a threshold; calculating a pitch channel compensation moment and a lift channel compensation force based on model predictive control, with attitude deviation and residual tilting stroke as constraints; further mapping the tilting angle adjusting amount and the rotating speed adjusting amount through a force and moment distribution matrix, and synchronously executing the tilting mechanism and the rotor motor. Through the design of phased priority constraints, static-dynamic dual-mode decoupling, health degree redundant distribution and self-adaptive time domain adjustment mechanism, the present application effectively solves the problems of attitude divergence and height drop in the mode conversion process of the flight motorcycle, enhances the robustness of the flight motorcycle under different working conditions, and improves the driving safety and the riding comfort.
Owner:NANJING TIANLU FLYING AUTOMOBILE TECHNOLOGY CO LTD

A pipe ice plug and method

PendingCN122590137AProperly adjust freezing speedLow maintenance efficiency
This application provides a pipe ice plug sealing device and method. The pipe ice plug sealing device includes: an ice plug forming device, comprising an ice plug jacket and a liquid nitrogen tank, the ice plug jacket and the liquid nitrogen tank being connected; the ice plug jacket is detachably fitted onto the pipe to be ice plugged, and the ice plug jacket has an internal cavity through which liquid nitrogen can flow from the liquid nitrogen tank to freeze the fluid medium inside the pipe; a fixed support for fixing to the outside of the pipe; a deformation measurement system, including a first measuring device and a second measuring device, both of which are fixed to the fixed support and are used to measure the deformation of the pipe; and a control system that, in response to the measurement values ​​from the first measuring device and / or the second measuring device, obtains the deformation of the pipe and controls the freezing process of the ice plug forming device according to the obtained deformation.
Owner:SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE CO LTD +2

High-reliability multi-sensing redundant temperature control system and fault switching system

The invention discloses a high-reliability multi-sensing redundant temperature control system and a fault switching system, and relates to the technical field of industrial automatic control. Comprising a multi-sensing redundant temperature acquisition module, a multi-channel signal isolation and preprocessing module, a redundant control logic operation core module, a two-way temperature control execution driving module, a fault online diagnosis and positioning module, an undisturbed fault switching control module, a full-process state monitoring and storage module and a multi-terminal interaction and linkage control module. A safety interlocking protection module; the system can realize multi-path independent temperature acquisition, closed-loop temperature control operation, full-link fault diagnosis and positioning, undisturbed switching of main and standby links, operation state monitoring and storage and hierarchical safety interlocking protection, adopts a full-link redundancy architecture, has the capabilities of fault rapid identification and undisturbed switching and software and hardware dual safety protection, is stable and reliable in operation, and has high safety and reliability. The single-point fault risk can be avoided, and the method is suitable for industrial temperature control scenes with high reliability requirements.
Owner:NANJING ONENG MASCH CO LTD

Underwater vehicle trim control method, system, and underwater vehicle based on elevators and moving ballast

The application discloses a kind of based on horizontal rudder and mobile weight's underwater vehicle fixed height navigation control method, system and underwater vehicle.The method is perceived front terrain trend by obtaining vertical distance from bottom and oblique distance from bottom, and the slope angle of seabed terrain is calculated in combination with geometric configuration parameters;Further, the target pitch angle is calculated based on the slope angle and height tracking error;Finally, according to the size of attitude deviation and the slope angle, the corresponding cooperative control mode is selected, and the horizontal rudder and the mobile weight are driven to cooperate to maintain the set navigation height.The application solves the problems of high energy consumption under single rudder control, limited control boundary under complex terrain or low speed working condition and lack of redundancy mechanism through dynamic combination control of multiple mechanisms, significantly reduces the navigation resistance, and improves the fixed height stability, safety and endurance of underwater vehicle in complex seabed environment.
Owner:TIANJIN UNIV

Remote control method and system for high and low voltage power distribution cabinet

PendingCN121966020Aachieve captureSolve the problem of insufficient transmission securityCircuit arrangementsElectrical testingRemote controlLow voltage
The invention relates to the technical field of remote regulation and control, in particular to a remote control method and system for a high-low voltage power distribution cabinet. The method comprises the following steps: collecting real-time operation parameters, environment state parameters and equipment health characteristic parameters corresponding to a high-low voltage power distribution cabinet based on a distributed sensing unit, and carrying out synchronous confidence calibration processing and invisible rule analysis among the parameters, so as to generate invisible association rules corresponding to the parameters of the high-low voltage power distribution cabinet; operation control evaluation and remote control dynamic adjustment are carried out based on the corresponding invisible association rules among the parameters of the high-low voltage power distribution cabinet, and a corresponding high-low voltage power distribution cabinet execution instruction set is generated; and issuing the execution instruction set of the high-low voltage power distribution cabinet to a local execution unit corresponding to the high-low voltage power distribution cabinet according to the timeliness label sequence through the encrypted transmission channel, and iterating remote regulation and control analysis to generate a remote regulation and control log of the high-low voltage power distribution cabinet. According to the invention, remote operation and maintenance control of the high-low voltage power distribution cabinet in the full life cycle can be realized.
Owner:BEIJING LANGXIN ELECTRIC CO LTD

A method and device for identifying a plug-and-play power supply of an industrial device in a scene

The present application relates to power supply identification technical field, especially to a kind of industrial equipment's scene power supply plug and play identification method and device.The method includes the following steps: detecting submodule power supply insertion equipment power port, the identity information and parameter information of submodule power supply are collected, and power supply information package is obtained;Communication protocol analysis is carried out based on power supply information package, and initial identity fingerprint is generated;Based on initial identity fingerprint, power supply mother unit is driven to carry out communication protocol matching, when communication protocol matching is successful, electrical parameter distribution is carried out, and power matching parameter is output;Based on power matching parameter, initial energy supply test is carried out, and energy supply test data of submodule power supply is collected;Based on the energy supply test data, energy supply stability evaluation and power compensation adjustment are carried out, and plug-in identification operation is completed.The present application realizes the plug and play of external power supply module, reaches the fast, stable energy supply requirement of equipment, and improves equipment power management efficiency.
Owner:RISUNIC TECH (SHENZHEN) CO LTD