23 results about "Error-tolerant design" patented technology

The invention relates to a gas concentration prediction method based on irregular sampling data multi-scale feature fusion, and belongs to the technical field of coal mine gas concentration prediction. The method comprises the following steps: S1, data preparation: carrying out data sequence division according to shift time set by a coal mine; s2, continuous time coding and feature fusion: performing potential space mapping on the divided sequence by using Shenchang differential; dividing multiple time windows, and performing multi-scale data feature extraction and fusion; s3, shift self-adaptive design: adopting a hybrid expert structure and a gating network to perform self-adaptive processing on coal mine shift changes, and outputting weighting and features by an expert layer; s4, failure fault-tolerant design: performing failure fault-tolerant processing, and compensating a data missing problem caused by common sensor abnormality to obtain reconstruction features; and S5, splicing the expert layer output features with the reconstruction features, inputting the spliced features into a prediction network, and predicting the gas concentration at the next moment. The accuracy of toxic and harmful gas can be remarkably improved.

The invention discloses a road berth charging and control system for realizing multi-level fault tolerance and a method thereof, and belongs to the technical field of intelligent traffic systems and Internet of Things. The system adopts an edge computing and distributed sensing collaborative architecture, and is composed of an edge controller (ECU) and a sensing and control unit (SCU) deployed in a berth. High availability of the system is ensured through fault-tolerant design of three core dimensions: firstly, perception layer fault tolerance dynamically adjusts data fusion weights of geomagnetism, millimeter wave radar and visual AI according to real-time environment data such as rainfall and electromagnetic interference by integrating an environment perception sub-module; secondly, network layer fault tolerance utilizes an immutable transaction log and a Saga distributed transaction compensation mechanism to realize local charging and digital RMB double offline payment when cloud connection is interrupted, and data consistency is ensured after network recovery; and finally, a hardware layer establishes a neighborhood cooperation protocol based on a signature agent command through fault tolerance, and a healthy node is allowed to act as an agent fault node through safety verification to execute an unlocking instruction. According to the invention, the problems of environmental interference, network interruption, single-point hardware failure and the like in unattended parking management are effectively solved, and the robustness and financial security of the system are remarkably improved.

The invention discloses a heterogeneous Internet of Things topology key node identification method in combination with a mutation theory, and belongs to the field of computers and information, and the method comprises the steps: firstly constructing an initial topology of a heterogeneous Internet of Things, generating a topology set through random disturbance, and calculating performance indexes such as robustness, redundancy, communication efficiency and a global clustering coefficient; then normalizing the indexes by using a mutation series method, evaluating the correlation between the indexes based on a Pearson's correlation coefficient, and obtaining a network performance mutation value through layer-by-layer fusion; simulating a deliberate attack process, establishing a corresponding relationship between a node deletion sequence and performance evolution, and fitting to obtain a performance evolution function; and finally, establishing a cuspidal point mutation model, and identifying critical nodes causing network performance mutation by analyzing the equilibrium state, the singular set and the bifurcation set of the model, thereby breaking through the limitation of traditional static network indexes, being capable of accurately capturing the mutation behavior of the network performance, being high in objectivity, and providing a theoretical basis for topological optimization and fault-tolerant design of the Internet of Things.

The invention belongs to the technical field of aircraft design, and discloses a high-safety double-anchoring cabin control system which comprises a left control system and a right control system, the left control system is provided with a left steering wheel, a left damper, a left longitudinal module mechanical assembly and a left longitudinal load mechanism, and the right control system is provided with a right steering wheel. A left steering wheel is connected with a left longitudinal module mechanical assembly and a left damper through a set of rocker arm structures, the left longitudinal module mechanical assembly is connected with a left longitudinal load mechanism and a right control system through one rocker arm assembly, and a right longitudinal module mechanical assembly is connected with a right longitudinal load mechanism through the other rocker arm assembly. A load pull rod is further connected between the left longitudinal load mechanism and the right longitudinal load mechanism through a rocker arm in a switching mode, the load pull rod is further connected with a balancing motor, and the load pull rod is axially connected with an anchoring pull rod. According to the invention, the fault-tolerant design of the cabin control system is innovatively realized through the designed double-anchor-point redundancy architecture.

The invention discloses a method for reducing steel plate thermal jet printing paint consumption based on character optimization, and relates to the technical field of jet printing in the steel and iron manufacturing industry, and the method comprises the following specific steps: S1, data acquisition and preprocessing: acquiring multiple data of a steel plate and dividing surface roughness grades; s2, basic code generation and fault-tolerant design: simplifying an original code and adding a verification and redundancy mechanism to generate a new code; s3, dynamic code adjustment, wherein the code length and character arrangement are adjusted according to the rolling speed and the steel plate temperature; s4, character shape adaptation optimization: character strokes, corners and blank areas are adapted according to the roughness of the steel plate; s5, jet printing execution and quality verification: optimizing a jet printing path after character clustering, and determining whether to respray according to a respray probability; according to the invention, through simplified coding, dynamic adjustment and form adaptation optimization, paint consumption is reduced; and meanwhile, fault-tolerant design and environmental perception are adopted, so that the problems of fuzzy jet printing, equipment shutdown and the like of a traditional method are solved, and the jet printing stability and definition are improved.

The invention belongs to the technical field of new energy electric power, and discloses a new energy maintenance guidance system fusing digital twinning and AR interaction, a field layer multi-mode sensing unit realizes accurate acquisition of equipment multi-source state data, and provides reliable data support for maintenance guidance; the data preprocessing and model caching functions of the edge layer are matched with the fault-tolerant design of the weak network to ensure that the maintenance work is continuous and uninterrupted in the weak network environment. The terminal layer AR interaction realizes the high-precision spatial registration of the virtual model and the physical equipment, solves the problem of deviation of traditional auxiliary information and physical registration, and avoids the risk of non-standard operation through action and logic verification. A plurality of modules integrated on the cloud platform realize twin modeling, state diagnosis and process management and control, high-precision combination of maintenance information and real objects is realized by combining hierarchical data circulation, controllability and continuity of operation logic are guaranteed, and accuracy, safety and efficiency of maintenance operation are greatly improved.

The application belongs to the technical field of computer system software, and particularly relates to a quick fault-tolerant method for container orchestration scheduling. The application adopts a container deployment mode designed for quick fault tolerance, plans the number of normal operation Pod replicas and the number of backup container replicas and resource requirements in advance, creates and starts the Pod required for normal operation, allocates resources on the available idle nodes according to the number of backup container replicas, and pre-creates the container application. When a node fails, the available backup replica is directly selected and the container is started without the process of scheduling and resource allocation, and a new backup replica is dynamically generated. The application reduces the conventional second-level container fault discovery and fault tolerance to the millisecond level, and meets the quick fault-tolerant requirement of critical business.

The application relates to the technical field of industrial safety control, and discloses a double-hand button synchronous interlocking safety control module and a control method. The module comprises two input channels, a cross fault detection circuit, a synchronism detection circuit, a redundant output unit and an internal feedback monitoring circuit. The cross fault detection circuit continuously monitors the electrical isolation state between the channels during operation, and disconnects the output when an abnormality is found. The synchronism detection circuit measures the time difference when the two input signals become valid, and only allows the output when the time difference is not greater than a preset synchronization time window. The redundant output unit is composed of at least two series-connected forced direction switching elements, and cooperates with the feedback monitoring to ensure that the safety circuit can still be cut off under single-point fault. The application improves the safety and reliability and the response speed through real-time channel isolation monitoring, pure hardware synchronization judgment and redundant output fault-tolerant design, meets the requirements of high safety integrity level, and is suitable for safety application scenarios of various double-hand button control.

The invention discloses a high-flexibility self-adaptive intelligent disordered sorting robot system, which relates to the technical field of intelligent manufacturing and industrial automation, and comprises a visual inspection and positioning module, a dynamic trajectory planning module, an intelligent grabbing and flexible control module, a digital twin quality tracing platform and a system stability and fault-tolerant design module, through self-adaptive production line collaboration, multi-mode sorting compatibility, part feature autonomous learning and full-link quality tracing, the sorting efficiency and the production efficiency can be effectively improved, the unit cost is reduced, small-batch mixed line production is supported, the flexible production capacity of equipment is greatly improved, and the product quality is improved. By means of the technical scheme, enterprises can better cope with diversified product requirements, the market competitiveness is enhanced, meanwhile, the new material introduction adaptation time is shortened, the rapid remodeling capacity of equipment is remarkably improved, and when the enterprises face the rapidly-changed market requirements, production plans can be adjusted more rapidly, the downtime is shortened, and the equipment utilization rate is increased.

The application discloses a fault-tolerant quantum architecture design method, device, storage medium and electronic equipment, wherein the fault-tolerant quantum architecture design method comprises the following steps: obtaining hardware configuration parameters of a target quantum computing architecture, and constructing a fault tree model based on the hardware configuration parameters; performing vulnerability evaluation on the fault tree model, generating a vulnerability quantification index, and determining a candidate component set requiring deployment of a resilience mechanism according to the vulnerability quantification index; configuring a corresponding resilience strategy for each component in the candidate component set, and generating a graceful degradation planning table based on the resilience strategy; inputting the fault tree model, the resilience strategy and the graceful degradation planning table into a formal verification engine to output a reliability certificate; and generating an authenticated resilience architecture netlist through a hardware description language according to the reliability certificate. The application can solve the technical problems that the quantum computing system lacks systematic fault-tolerant design, the fault response capability is insufficient, and the reliability index cannot be verified in the prior art.

The invention relates to a silicon substrate interconnection yield prediction and optimization method. The method comprises the steps of obtaining position data and yield actual measurement data of a plurality of interconnection points to be actually measured in a target wafer-level substrate, and determining a target yield prediction model based on the position data and the yield actual measurement data of the plurality of interconnection points to be actually measured, the target yield prediction model comprises a mapping relation between the position of the interconnection point on the target wafer-level substrate and the yield, predicting the yield of the interconnection point to be predicted on the target wafer-level substrate based on the target yield prediction model, and obtaining a yield prediction result of the interconnection point to be predicted. By adopting the method, the yield data can be obtained according to the actual interconnection structure design experiment test, the yield data is adopted to guide the generation of the prediction model, the prediction model is used for evaluating the yield of the current wafer-level system architecture, and then the architecture modification and fault-tolerant design are fed back and guided, so that a closed-loop and efficient optimization system is formed, and the system reliability is improved. And production of the wafer-level large-size interconnection substrate design is guaranteed.

This application discloses a method for testing and quantifying the anti-interference capability of a spiking neural network, belonging to the field of neuromorphic computing and artificial intelligence. The method includes: conducting multiple independent test experiments on a spiking neural network model to be deployed on a target hardware platform in a simulation environment to obtain a set of technical state signals corresponding to each test experiment; performing multi-dimensional quantitative analysis based on the first and second sets of technical state signals obtained from each test experiment to determine multiple performance indicators used to characterize the anti-interference capability of the spiking neural network model; normalizing and fusing the multiple performance indicators to generate a network anti-interference capability index; and using the network anti-interference capability index as a reliability pre-evaluation parameter of the spiking neural network model on the target hardware platform to guide the fault-tolerant design of the target hardware platform or to optimize the robustness of the spiking neural network model.

Methods and power conversion systems related to fault-tolerant operation for aircraft electric propulsion. The fault-tolerant system continues to operate in the event of a component failure, i.e., one or more faults within a component. The fault-tolerant design enables the system to continue its intended operation, possibly at a reduced level, when some parts of the system fail, rather than completely failing. When a turn-to-turn fault in an AC motor is detected, the motor controller shorts together three top switches or three bottom switches of the inverter, effectively shorting the associated stator winding, to divert the fault current from the motor winding to the motor controller, if cooling is available. Also, when a fault in the motor controller or at the input to the motor controller is detected, the motor controller cuts power to the motor by issuing a command to open the upstream contactor from the high voltage DC bus input.

The application provides a kind of high-precision photoelectric encoder measurement result high fault-tolerant design method and system on satellite, comprising: by radial transceiving light path double-channel design, obtain two-way absolute angle data and two-way incremental data, four-way measurement data output angle data according to predetermined judgment rule, judgment rule is suitable for single point failure to output correct data, when multiple faults occur, according to the specific situation analysis, the judgment rule can be avoided to avoid the fault state and change to obtain correct angle data output, realize automatic fault-tolerant design.

The application discloses a method for identifying key nodes of a heterogeneous Internet of Things (IoT) topology based on mutation theory, and belongs to the field of computers and information. First, an initial topology of the heterogeneous IoT is constructed, a topology set is generated by random disturbance, and performance indexes such as robustness, redundancy, communication efficiency and global clustering coefficient are calculated. Then, the indexes are normalized by using a mutation series method, the correlation between the indexes is evaluated based on a Pearson correlation coefficient, and a network performance mutation value is obtained by layer-by-layer fusion. Next, a deliberate attack process is simulated, a corresponding relationship between a node deletion sequence and performance evolution is established, and a performance evolution function is fitted. Finally, a cusp mutation model is established, critical nodes causing network performance mutation are identified by analyzing the equilibrium state, singular set and bifurcation set of the model, and the application breaks through the limitations of traditional static network indexes, can accurately capture the mutation behavior of network performance, is objective, and provides a theoretical basis for topology optimization and fault-tolerant design of the IoT.

The application discloses a steering wheel steering column storage system and a control method and device thereof and a storage medium, and the method comprises the following steps: receiving and responding to a control instruction; determining the position of the steering column relative to the steering wheel; and controlling the steering column according to the position of the steering column relative to the steering wheel. The control method can make the driver more convenient and comfortable when getting on or off the vehicle, and will not touch the surrounding parts when the steering column is unfolded or stored. Meanwhile, the fault-tolerant design device for realizing the storage and unfolding of the steering column in the high-order intelligent driving scene is also provided.

This invention discloses an ECC fault-tolerant structure and memory fault-tolerant design method covering the entire communication path, relating to the field of on-chip memory technology. It addresses the technical problem that existing on-chip memory EDAC technology's protection scope is limited to the on-chip memory cell itself, and introduces additional errors during data transmission, making it difficult to guarantee data integrity. The ECC fault-tolerant structure covering the entire communication path includes a host module, an interconnect bus, and storage components. The host module is configured with an ECC codec. The host module is used to implement access control of the storage components. The interconnect bus is used to implement access routing between the host module and the storage components and establish a connection between them. The host module initiates a data write access, encodes the pre-written data using ECC, and then initiates a write access to the storage component. The interconnect bus routes the access to the corresponding storage component based on the access address.

The invention relates to the technical field of water conservancy and hydropower engineering unit control, and particularly discloses a hydropower station governor water head optimization system and method. The system comprises a public LCU, a water head monitoring device, a unit LCU and a speed regulator, the public LCU collects upstream and downstream water level signals, the water head monitoring device processes the water level signals and then outputs standard analog quantity, and the unit LCU mutually takes the water level signals through a monitoring system network, obtains real-time water head signals through operation and issues the real-time water head signals to the speed regulator; the speed regulator carries out fault judgment, data validity screening and undisturbed switching control on the real-time water head signals, and the processed water head signals are applied to open limit adjustment and paddle joint control under the starting-up no-load and grid-connected working conditions of a unit. Through software acquisition and fault-tolerant design, accurate acquisition and stable control of water head signals are realized, and the operation reliability and safety of a unit are improved.

The invention discloses an EHD printing integrally-formed high-precision FPC antenna and a preparation method, and belongs to the technical field of FPC antennae. The EHD printing integrally-formed high-precision FPC antenna comprises a substrate and a Koch snowflake fractal radiation patch formed on the substrate; a metal line of the Koch snowflake fractal radiation patch has an optimized nominal width Wopt, and the Wopt is a parameter determined by modeling a line width manufacturing error of EHD printing into a random variable in a range of + / -15 [mu] m and carrying out collaborative fault-tolerant design on an antenna structure by taking the resonant frequency offset of the antenna not greater than 1.5% as an optimization target; the radiation patch is printed by conductive ink and is formed after synchronous ultraviolet precuring and stepped thermocuring, and the conductive ink contains supported Ag2O-MXene composite powder; through deep collaboration and optimization of a structure fault-tolerant design, a special functional material and a precision manufacturing process, the problem of mismatch from a high-performance design model to high-fidelity physical antenna manufacturing is solved, and particularly, a reliable integrated solution is provided for flexible electronic manufacturing of complex fine patterns.

The invention discloses a modularized hyper-redundant continuum robot for deep cavity operation and a control method, and belongs to the technical field of specialized robots. The robot comprises a modular continuum robot mechanical body, a hyper-redundant continuum robot module, a driving transmission module, a power conversion module, a power supply, a control system module and a mobile chassis. The modular continuum robot mechanical body is located on the movable chassis. The hyper-redundant continuum robot module realizes mechanical positioning or signal interconnection through a composite interface at the front end of the modularized continuum robot mechanical body; the driving transmission modules are arranged in the modular continuum robot mechanical body in groups in the axial direction. According to the robot, on-demand combination and in-place replacement of operation units are achieved through structural control decoupling, redundancy and fault-tolerant design, the long, thin, smooth and high-degree-of-freedom characteristics are considered, and therefore the accessibility and stability in the deep cavity environment are improved, and the maintenance difficulty and the shutdown cost are remarkably reduced.

This invention relates to the field of branch target buffer fault-tolerant design, and proposes a fault-tolerant design system and method based on a fully connected L0 BTB, comprising: XORing the current instruction address to obtain the XOR checksum of the current instruction address; concatenating the current instruction address and the XOR checksum and writing them simultaneously into two L0 BTBs; accessing both L0 BTBs simultaneously with the current instruction address, and comparing the current instruction address with the target instruction address to determine whether an L0 BTB is hit; if one of the L0 BTBs is hit, setting the enable signal value to 1, obtaining the content of the entry and performing an XOR check on the entry; if the XOR checksum of the entry is the same as the checksum stored in the entry, then the entry is taken as a candidate entry; making a decision based on the obtained candidate entries; if the check result shows that no candidate entry appears, then it is considered that the current instruction address has not hit an L0 BTB.