2376results about "Safety arrangments" patented technology

Provided in the embodiments of the present disclosure are a motion control system and method, and a control platform. The motion control system comprises a control platform, mobile devices, and partition detection units, wherein the partition detection units are deployed at the junction of a plurality of storage areas, which are obtained by means of division in advance in a warehousing scenario. A first detection unit is configured to send a first trigger event to the control platform when detecting that a target object enters a target storage area, wherein the first detection unit is a partition detection unit which is deployed in the target storage area and the current detection state of which is an enabled state. The control platform is configured to send a stop instruction to a mobile device in the target storage area in response to the first trigger event, and control the detection state of a second detection unit to be changed to the enabled state, wherein the second detection unit is a partition detection unit deployed in the target storage area, and the second detection unit is different from the first detection unit. The mobile device is configured to stop motion in response to the stop instruction.

The invention discloses a medical equipment remote control system based on Internet of Things data, relates to the technical field of equipment remote control, and realizes efficient safety protection of medical equipment remote control through four links of multi-source data acquisition and behavior baseline construction, real-time anomaly detection, risk grading evaluation and linkage processing, and adaptive safety strategy execution. Firstly, an operation log is collected and cleaned, a multi-dimensional label is added, and a baseline model M is constructed to judge the deviation degree; then, deviation degree calculation is carried out on the instructions in real time, suspicious instructions are screened, and a structured suspicious instruction set is formed; in the risk grading stage, performing multi-factor grading on suspicious instructions and screening medium-high risk objects; and finally, according to the risk vector, calculating the priority of a strategy and matching a predefined interval, implementing security protection through measures such as multi-factor authentication, secondary approval or temporary freezing, and continuously writing back and updating a disposal result to form a closed loop to improve the overall security management and control level.

The invention relates to the technical field of plasma control systems, in particular to a method for real-time synchronization and online switching of a redundancy control system. According to the technical scheme, the method comprises the following steps: system interaction: realizing interaction between a redundancy control system and an external system through a control network, a clock synchronization network, a central interlocking network and a real-time communication network; the main and standby systems synchronously run under the triggering of a unified clock; the main and standby systems share key data in real time, and time, data and operation states are synchronized regularly. Synchronous operation of the main control system and the standby control system is achieved, the operation states of key devices and processes of the control systems are monitored in real time, the interlocking unit is used for judging the effectiveness of the main redundant system and the auxiliary redundant system, online switching and abnormal alarm of the systems are completed when the devices or the processes are abnormal, and real-time release and sharing of key operation information of the control systems are achieved. State synchronization after the offline system is accessed and operation recovery of a redundant system are realized, so that the reliability of long-time steady-state operation of a real-time control system is improved.

The invention relates to the technical field of industrial distributed control system architecture, and discloses a dual-redundancy design method for a virtual controller VDPU, which comprises the following steps of: deployment of a four-network-port redundant network architecture: dividing four physical network ports into two groups of independent channels, and simultaneously configuring a network link automatic switching mechanism, the working states of the four network ports are monitored in real time, then double isolation of a physical layer and a protocol layer is achieved, and an independent heartbeat transmission channel is established; main / standby heartbeat monitoring and switching control: the main / standby controller periodically interacts state information packets through a special heartbeat channel, and establishes a three-level fault determination mechanism at the same time to perform seamless main / standby switching; a multi-mode data synchronization mechanism is implemented, namely initialization synchronization, increment synchronization during operation and exception recovery synchronization are started, separation of heartbeat signals and data synchronization can be realized through two groups of independent channels, and the fault-tolerant capability and the switching efficiency of the system are improved, so that the operation stability of the system is guaranteed.

The invention discloses a radar lifting control method and system based on meteorological monitoring, and relates to the technical field of radar lifting control, and the method comprises the steps: completing the switching of a power supply and communication after a radar is powered on, initializing a controller, collecting the data of a meteorological station, and generating a future fusion wind speed in real time through a Kalman filtering physical model and a residual neural network; future fused wind speed is converted into wind pressure for evaluation, the risk degree is judged according to the evaluation result, early warning is given out, and the controller is preheated to enter a lifting preparation state. The input stability is improved through meteorological data sliding window smoothing and feature extraction, wind speed dynamic prediction and uncertainty quantification are achieved through XGBoost prediction and residual variance estimation, the time sequence consistency and robustness are enhanced through remote API interpolation correction and adaptive extended Kalman filtering, residual correction is conducted through a neural network, the prediction precision is improved, and the prediction accuracy is improved. And a reliable decision basis is provided for radar lifting control.

The invention provides a hybrid fault-tolerant control method and system for a multi-sensor simultaneous fault scene, and the method comprises the steps: inputting the historical time sequence feature data of sensors into a long short-term memory network and a Stacking model, and obtaining the output data prediction values, outputted by the long short-term memory network and the Stacking model, of the sensors at the current moment; according to a difference value between an output data prediction value and an output data actual value of the sensor at the current moment output by the long-short-term memory network, whether the sensor breaks down or not is determined through sequential probability ratio inspection; and under the condition that the sensor has a fault, determining an output data reconstruction value of the sensor at the current moment according to an output data prediction value of the sensor at the current moment, which is output by the long-short-term memory network and the Stacking model. According to the invention, fault detection and output data reconstruction can be carried out on the sensor in real time, and the stability and reliability of the system under the condition of multi-point observation failure are improved.

The invention discloses a redundant communication implementation device and method of a battery management system. The device comprises a master control unit, a master control unit and a slave control unit, the slave control unit is used for monitoring the battery module and sending monitoring data to the master control unit; the main control unit and the general control unit are connected to form a redundant communication ring network; the master control unit is used for responding to a control instruction or a query instruction of the master control unit, collecting monitoring data of the slave control units and feeding back the monitoring data to the master control unit; the main control unit is used for issuing a battery management control instruction or a query instruction to the main control unit and receiving feedback data of the main control unit; each main control unit comprises a main control board and a Bypass relay, the main control board is connected with the Bypass relay, and the Bypass relay is used for bypassing the main control board when the main control board fails and loses power. According to the device and the method, communication interruption caused by line signal interference can be avoided, and system communication faults caused by damage of the main control board can be prevented.

The invention relates to the technical field of equipment abnormity control, and discloses an equipment abnormity self-closed-loop control system. An anomaly detection engine of the system collects operation state data of target equipment in real time, and performs preliminary anomaly marking according to a preset anomaly judgment rule; the dynamic analysis unit receives the preliminary anomaly marks, generates anomaly feature vectors in combination with historical operation data, and inputs the anomaly feature vectors into a multi-dimensional evaluation model to divide anomaly levels; a strategy generator is matched with a preset repair strategy library according to the abnormal grade division result, and a corresponding repair instruction sequence is generated; the execution control module analyzes the repair instruction sequence, and dispatches hardware resources to execute repair operation according to a preset execution priority; and the feedback verification unit collects the running state data again after restoration, and compares the running state data with the initial abnormal mark to generate a restoration verification result. The system realizes full-process automatic processing of equipment exceptions, and improves exception processing efficiency and equipment operation stability.

The invention relates to a multi-mode self-adaptive underwater propeller and a control method thereof, and the multi-mode self-adaptive underwater propeller comprises an information collection module which comprises a sonar sensor, a magnetic sensor, an inertia measurement unit and a water pressure sensor; the data analysis module receives the multi-source data from the information acquisition module and generates a unified environment state model through a multi-source information fusion algorithm; the mode switching module is used for calculating the risk level of the current operation state based on a preset comprehensive evaluation index and selecting a corresponding operation mode according to the risk level; the power adjusting module is used for adjusting the power output characteristics of the propeller according to the selected operation mode; and the redundant fault-tolerant module is configured with a standby sensor group and switching logic, and when the main sensor group is interfered or breaks down, the standby sensor group is automatically started and the environment state model is recalculated.

The invention discloses an eVTOL flight control system based on a time sensitive network and a control method, the eVTOL flight control system is used for an eVTOL model, the system comprises a main flight control unit, a backup flight control unit, a time sensitive network unit and a data concentration unit, the main flight control unit is connected with the backup flight control unit, the data concentration unit is connected with the time sensitive network unit, and the backup flight control unit is connected with the time sensitive network unit. The time sensitive network unit is connected with the main flight control unit; the main flight control unit is used for executing calculation processing and redundancy management of main flight control; the backup flight control unit is used for taking over when the main flight control unit fails; the time sensitive network unit is used for carrying out communication conversion on the main flight control unit and the backup flight control unit; the data concentration unit is used for converting data of external equipment and transmitting the data to the time-sensitive network unit. According to the invention, through communication conversion between the time-sensitive network unit and the data concentration unit, miniaturization and light weight of equipment can be realized on the premise of ensuring performance.

A safety device for monitoring at least one machine has at least one sensor for generating sensor data about the machine and a processing unit for the sensor data that is at least indirectly connected to the sensor and the machine. This processing unit is designed as an execution environment with at least one computing node and is configured to run at least one logic unit on the computing node. The logic unit includes at least one safety function unit for safety-oriented evaluation of the sensor data in order to output a safety signal to the machine to trigger a safety response in the event of a safety-relevant event. The processing unit is further configured to generate, modify, and / or resolve logic units based on a safety task.

The invention relates to a power plant temperature control system safety protection device and system. The power plant temperature control system safety protection device comprises a redundant temperature acquisition module, a temperature control safety processing module, an actuator control protection module, an intelligent strategy recovery module and a communication and alarm module. Through multi-point temperature data acquisition, abnormal trend intelligent identification and local linkage control, the device realizes quick response and protection control of temperature control abnormity of a key area of a boiler thermodynamic system. The system supports data interconnection with a DCS platform and an alarm analysis platform, has local independent operation and remote centralized management capabilities, and is suitable for temperature control safety protection of high heat load areas such as boilers of coal-fired power plants.

The invention discloses a UPS (Uninterrupted Power Supply) parallel operation redundancy system and a control method thereof, and relates to the field of UPS, the UPS parallel operation redundancy system comprises a plurality of groups of UPS modules, a plurality of groups of UPS module parallel links, a monitoring unit, a control unit and a switching unit; voltage sampling points of each group of UPS modules are connected with the AD conversion module of the monitoring unit through a double-shielding coaxial line, the control unit is connected with the monitoring unit through a PCIe bus, and the switching unit receives signals output by the control unit through an optical fiber channel. Through a multi-factor coupling mechanism of the dynamic redundancy capacity distribution model, the temperature correction index and the time attenuation factor are deeply fused, real-time dynamic optimization of UPS module load distribution is realized, and performance attenuation and local overload in a high-temperature environment are effectively inhibited; and through the combined criterion of the historical fault integral and the instantaneous over-threshold, the cooperative adaptive capacity of the system to the progressive fault and the sudden load fluctuation is improved.

A system configuration significantly reduces the number of interconnections needed between an electromechanical actuator (EMA) and an EMA controller (EMAC) while maintaining redundancy and other safety aspects needed by the target application without adding second or third independent redundant position sensors to the EMA for use with backup channel of the controller. The system configuration extends the sensor architecture used by COM-COM controllers with an additional sensor channel used by a backup controller without the need for adding a separate physical position sensor for the backup controller, which saves implementation effort, space, and weight that would otherwise be needed for integration of additional redundant sensors into the EMA.

The invention relates to the technical field of mode control, and discloses a metro operation dual-mode control method and system based on pulse width modulation coding. The method comprises the following steps: defining an initialization voltage range through a power supply measurement module, and adopting a dual redundancy measurement module to realize manual control and automatic operation channel voltage dual-path calibration; the signal collector collects a real-time current signal, and the signal comparator performs anomaly detection to generate a mode selection control signal; the pulse width modulation encoder calculates a duty ratio parameter and generates a current-limiting pulse width modulation signal; the multiple protectors judge the fault state, and the delay controller adjusts the disconnection time sequence of the relay; the time sequence controller establishes a mode switching rule, and the relay linkage controller optimizes an output state; the data collector extracts operation parameters, and the communication interface completes data electrical isolation transmission. Seamless switching between the manual control mode and the automatic operation mode is achieved through the pulse width modulation coding technology, and the stability and reliability of the system in the mode switching process are ensured.

A surgical system comprises a control circuit, a surgical instrument and a user interface is disclosed. The end effector assembly may comprise a sensor configured to detect a parameter associated with a function of the end effector, and transmit the detected parameter to the control circuit. Further, the control circuit may be configured to analyze the detected parameter based on a system-defined constraint and prevent at least one function of the surgical instrument based on a result of the analysis. The user interface may be configured to provide a current status regarding at least one prevented function of the surgical instrument.

An in-vehicle system includes: a first in-vehicle device installed in a vehicle; a second in-vehicle device controlled in accordance with a signal output from the first in-vehicle device; a first in-vehicle ECU communicably connected to the first in-vehicle device and the second in-vehicle device by signal lines; and a second in-vehicle ECU communicably connected to the first in-vehicle device and the second in-vehicle device by the signal lines. The first in-vehicle ECU and the second in-vehicle ECU are connected by a communication line of a type different from a type of the signal lines, and a communication path from the first in-vehicle device to the second in-vehicle device includes a first path relayed by the first in-vehicle ECU and a second path relayed by the second in-vehicle ECU.

The invention discloses an encoder and Hall dual-mode redundancy closed-loop driving method and system, and relates to the technical field of motion control and fault tolerance, and the method comprises the steps: collecting the dual-channel signal data of an encoder and a Hall sensor in parallel in real time, and monitoring the redundancy through consistency detection; carrying out abnormity screening based on a preset rule on the collected double-path signals, carrying out data health assessment by using a machine learning model, and carrying out abnormity identification on the screened double-path signals; and fusing screening and identification results, dividing risk levels, and when an abnormal value exceeds a risk level threshold value, performing intelligent fault-tolerant switching. The dynamic threshold rule, the online incremental learning decision tree and the multi-level fusion grading strategy adopted by the method have sensitive capture capability on progressive and hidden faults. In a high interference scene, the accuracy and continuity of fault detection are effectively ensured through concept drift monitoring and a streaming decision tree online updating mechanism.

According to the domain controller redundancy system of the intelligent heavy-duty vehicle and the control method, a redundancy mode that an intelligent driving domain and a chassis domain can take over each other is provided on the basis of an existing domain control architecture scheme, so that the intelligent driving domain and the chassis domain can be controlled by each other to achieve low-speed limp or safe parking of the vehicle when the intelligent driving domain and the chassis domain separately break down; while the reliability of the control system suitable for the vehicle is effectively improved, the cost of redundancy control is also obviously reduced.

A hybrid, redundant, fail-safe architecture provides a unified fail-operational framework for autonomous agents operating across physical and virtual domains. The system employs a multi-modal data source suite, an adaptive hybrid data fusion module, and an intelligent decision-making module. A novel closed-loop interaction enables a health monitoring module that detects an incipient fault in a data source by monitoring ancillary performance metrics. Upon detection, the module generates a fault signature, including a quantitative prognostic estimate of a future failure time, and transmits it to an adaptive data fusion module. The fusion module proactively reconfigures its state estimation algorithm by decreasing reliance on the degrading data source in proportion to the prognostic estimate. This preemptive compensation ensures the system maintains a high-integrity environmental model and achieves true fail-operational continuity. The architecture is applicable to numerous embodiments providing a universal solution for proactive fault management and system resilience.

The invention discloses a remote supportable rocket test launch control system based on a cloud platform. The remote supportable rocket test launch control system comprises a rear-end remote test module, a remote test network and a front-end remote test module, wherein communication and data interaction between the rear-end remote test module and the front-end remote test module are realized through a remote test network; the front-end remote test module transmits the collected test data of the launching site and the workshop to the rear-end remote test module through a remote test network; and the rear-end remote test module realizes communication and data interaction with carrier rocket test launch control equipment and post personnel in various regions through a remote test network, and realizes remote auxiliary test, comprehensive management and remote command of the whole rocket launch process. The problems that a traditional rocket test launching mode is low in efficiency, and front-rear cooperation cannot be achieved are solved.

The invention discloses a ship propulsion control system and method, and relates to the technical field of ship engineering.The ship propulsion control system comprises an acquisition module used for acquiring analog quantity signals during ship propulsion, and a main controller module used for receiving the analog quantity signals and generating a propulsion control instruction; according to the ship propulsion control system, two acquisition channels are arranged for analog quantity signals, a fault channel is rapidly detected and switched in combination with a self-checking mechanism, the fault channel can be rapidly detected, the fault channel can be rapidly switched, the fault channel can be rapidly detected, the fault channel can be rapidly switched, and the reliability of the ship propulsion control system can be improved. A digital quantity output channel fault is found in time and switched to a standby channel, a power supply and communication interface backup strategy is perfected, fault priorities are accurately divided, corresponding measures are taken, the strict requirements of modern ships for high reliability and high safety of propulsion control are met, and powerful technical support is provided for stable navigation of the ships.

The invention relates to the technical field of power equipment, and discloses a power electronic transformer redundant controller switching method, which comprises the following steps of: constructing a redundant control array to collect analog quantity data of a power electronic transformer in real time so as to obtain two groups of instantaneous interaction data; the master controller generates a control logic by any one group of instantaneous interaction data to control the operation state of the power electronic transformer, and sends the other group of instantaneous interaction data to the slave controller in a preset interruption period to dynamically update the data of the slave controller; through the redundancy design of the master controller and the slave controller, when the master controller breaks down, the master controller can be quickly switched to the slave controller in a control period, and the switched master controller continues the last updated instantaneous interaction data of the master controller before switching, so that the non-impact switching is realized, the fluctuation or shutdown risk of the system is avoided, and the reliability of the system is improved. The stable operation of the power electronic transformer is ensured, and the maintenance and shutdown loss caused by faults is reduced, so that the overall maintenance cost is reduced.

The present application relates to the technical field of on-board unit systems, and provides a redundancy control method for an on-board ring network heterogeneous system, a system, and a storage medium. The method comprises: in each ring network, any two adjacent on-board unit systems periodically performing detection packet exchange, and on the basis of a packet exchange result, determining a communication link state corresponding to the two on-board unit systems; when the communication link state is abnormal, triggering a communication redundancy control protocol; in response to the communication redundancy control protocol, determining position information of the two on-board unit systems between which the communication link is abnormal in a vehicle communication topology, and on the basis of the position information, generating a redundancy control rule for restoring communication between the two current on-board unit systems; and executing the redundancy control rule, so as to restore the communication between the two current on-board unit systems by adjusting the blockage states of communication ports of respective related on-board unit systems on redundant links of the two current on-board unit systems. The solution of the present application achieves protocol compatibility while ensuring the reliability of the on-board ring network heterogeneous system.

The invention discloses a charging pile liquid cooling module intelligent cooperative control system based on an industrial Ethernet, and relates to the technical field of liquid cooling control. The charging pile liquid cooling module intelligent cooperative control system based on the industrial Ethernet comprises a liquid cooling data acquisition and preprocessing unit used for acquiring and preprocessing liquid cooling cooperative operation data; the thermal load sensing and intelligent liquid cooling regulation and control unit is used for dividing independent cooling branches, evaluating the thermal load degree of each cooling branch, judging the real-time thermal load state and generating and executing a control instruction; the anomaly detection and cooling redundancy control unit is used for evaluating the thermal response deviation condition of a cooling branch and judging whether a double-ring redundancy pipeline is started or not; and the fault root cause judgment and recovery enhancement unit is used for evaluating the component fault risk degree in the abnormal branch and executing fault-tolerant control and branch recovery strategies. The problem that a whole set of liquid cooling system is shut down due to the fact that local fault tolerance cannot be achieved when a local branch breaks down in a traditional pipeline structure is solved.

The embodiment of the invention provides a cabinet heat dissipation method of an interlocking system and a training method of a heat dissipation information determination model. The cabinet heat dissipation method comprises the steps of obtaining heat dissipation weight coefficients, temperature threshold information and temperature control priority information of cages where various control units are located in a target cabinet of an interlocking system, and combining the heat dissipation weight coefficients, the temperature threshold information and the temperature control priority information to obtain heat dissipation management parameters; at any moment in the working process of the target cabinet, a heat dissipation information determination model is called to process the heat dissipation management parameters, the temperature information of the environment where the target cabinet is located, the temperature information of multiple positions in the target cabinet and the heat dissipation information of a heat dissipation module in the target cabinet, obtaining auxiliary heat dissipation information of the heat dissipation module; and controlling the heat dissipation module to dissipate heat of the target cabinet based on the auxiliary heat dissipation information. The method can improve the heat dissipation performance of the interlocking system.

The embodiment of the invention relates to a redundancy switching method for a controller, computing equipment and a storage medium. The method comprises the following steps: monitoring state information of current main equipment in a first main control unit and a second main control unit by a redundancy interaction switching unit so as to generate a redundancy monitoring signal based on the monitored state information; in response to determining that the redundancy monitoring signal indicates to perform redundancy switching, the switch switching unit cuts off the communication connection with the current master device, and the current slave device in the first master control unit and the second master control unit is switched to a new master device; and a new main device in the first main control unit and the second main control unit processes the data received by the controller, executes the logic control function of the controller, and performs data transmission through the base plate high-speed connector. Therefore, the redundancy switching speed of the single board card and the single module can be effectively improved, the space requirement is small, the redundancy control function can be realized by being carried on the single board card and the single module, and the hardware cost is greatly saved.

The invention discloses a safety control method and system for an emerging control main body, and belongs to the technical field of power system active control, and the method comprises the steps: carrying out the bidirectional data interaction through a master station AGC and a field station AGC, and carrying out the bidirectional data interaction based on a bidirectional data interaction result and a cooperative anti-error parameter; whether the emerging control main body is in a controllable state or not is judged in real time through collaborative security locking logic; if the control main body is in the controllable state, active measurement data of the emerging control main body are obtained, and jump detection and multi-source checking are carried out on the active measurement data; after verification is passed, a pre-control instruction is generated based on the control strategy, and reasonability verification and control effect simulation verification are carried out; and after the control effect simulation verification is passed, the pre-control instruction is taken as a final control instruction to be issued to the emerging control main body for execution. The method can greatly improve the safety control capability of AGC on an emerging control main body, guarantees the frequency operation safety of a power grid, and improves the safe and reliable power supply capability of the power grid.

An anti-pinch system for an electric seat includes a plurality of infrared sensing modules, a seat cushion hose, a footrest hose, a pressure sensor, at least one linear actuator, a central processing unit, a power module and a control module. When the user operates the electric seat to act, the plurality of infrared sensing modules and the pressures sensor synchronously sense whether an obstacle is under the electric seat. If an obstacle exists under the electric seat, the central processing unit will control the at least one actuator to stop or to reversely act. When the user cannot perceive obstacles by themselves, the electric seat can be automatically prevented from pinching obstacles, thus avoiding damaging the obstacles or the electric seat.

The embodiment of the invention relates to a backup switching method and device, a control system and a readable storage medium, the backup switching method is applied to the control system, the control system comprises a plurality of data processing devices of the same type, and the data processing devices comprise at least one movable device and at least one hot standby device. The backup switching method comprises the following steps: a hot standby device obtains first processing data generated by processing to-be-processed data by an active device; the hot standby device processes the to-be-processed data to obtain second processing data; the hot standby device obtains first synchronization information of the movable device; if it is determined that the active device is abnormal according to the comparison result of the second processing data and the first processing data and the first synchronization information, the hot standby device configures the hot standby device as a new active device to replace the original active device to generate the first processing data.