9results about How to "Implement automatic recovery" patented technology

The invention belongs to the technical field of vehicle-mounted networks, and discloses a 10BASE-T1S network fault rapid positioning method and system, and the method comprises the steps: constructing a fault management sub-layer which comprises a master node and slave nodes; the master node receives health frames sent by the slave nodes according to a preset period, and the master node constructs a node sequence mapping table when receiving the health frames; determining a fault suspicious interval according to the fault initial judgment result; the sequence breakpoint analysis comprises single node breakpoint analysis, continuous node breakpoint analysis and sequence jump anomaly analysis; determining a target fault node; determining a fault node type to which the target fault node belongs based on a self-checking feedback result; and executing a hierarchical recovery strategy according to the fault node type. According to the method, the fault type is accurately judged, the troubleshooting efficiency is high, the fault recovery does not need manual intervention, the bandwidth occupation is small, and the problems that the fixed polling frequency is adopted and the bandwidth occupation is uncontrollable are avoided.

The application discloses a kind of external storage device mounting function real-time monitoring and automatic recovery processing method and system, it is related to car field, including: by listening to the mounting process message reported on underlying drive, detect the mounting success or failure event of external storage device;In mounting success with the way of input-output error information in the form of timing query or monitoring system log detects read-write exception;If mounting failure or read-write exception is detected, then by writing control instruction to operating system hardware control interface simulates physical plug-in action, triggers device reenumeration and re-executes mounting;Retry number is recorded, and it is repeated above-mentioned step without threshold, and after threshold, fault prompt is sent to upper layer.The application also discloses corresponding system.The application adopts dual-mode monitoring of message and polling and pure software simulation plug-in reset, without manual intervention, can automatically recover the mounting and read-write exception of external storage device, improves the stability and user experience of car system.

The application discloses a kind of adaptive radio frequency interference cancellation method and system in full duplex system, including from the transmission link of full duplex system coupling out part transmission signal, as self-interference reference signal;Self-interference reference signal is fed into at least one adaptive adjustment branch;Each adaptive adjustment branch is independently digitally adjusted to the amplitude and phase of self-interference reference signal based on the control word generated by control algorithm, generates a cancellation signal;The received signal obtained from receiving antenna is synthesized with cancellation signal, to generate synthesis signal;By adjusting the amplitude and phase of cancellation signal, it is equal to the amplitude of self-interference component in received signal and opposite phase, so that the self-interference component in synthesis signal is cancelled, to realize the self-interference cancellation of radio frequency domain;The application significantly improves the self-interference suppression capability of radio frequency domain of full duplex system.

The utility model relates to the technical field of compensation devices, and discloses an automatic recovery pipeline self-adaptive compensation device which solves the problem that an existing compensation device is poor in protection effect and comprises a compensator body and a protection assembly installed at the top end of the compensator body. The compensator body is composed of a first flange plate, a second flange plate, an elastic corrugated pipe, an axial limiting sleeve, a plurality of first limiting assemblies and a plurality of second limiting assemblies, the elastic corrugated pipe is connected between the first flange plate and the second flange plate, the elastic corrugated pipe is sleeved with the axial limiting sleeve, the first limiting assemblies are connected between the first flange plate and the axial limiting sleeve, and the second limiting assemblies are connected between the second flange plate and the second flange plate. The second limiting assembly is connected between the second flange plate and the axial limiting sleeve, and the first limiting assembly and the second limiting assembly are each composed of a support, a long screw, an open threaded sleeve, a closed threaded sleeve and a positioning sleeve. The compensation device can be self-adaptive to axial thermal expansion and cold contraction of the pipeline, and has a protection effect at the same time.

The invention discloses a centralized control center signal abnormity intelligent discrimination and recovery method based on multi-system linkage, and relates to the technical field of monitoring, and the method comprises the steps: obtaining multi-source real-time signals from a scheduling SCADA system, a plant station DCS system and a protection monitoring system, and aligning the signal data of each system based on timestamps to form a synchronous data stream; performing joint detection on the synchronous data flow by adopting a time sequence consistency analysis and electrical physical constraint model, identifying abnormal states of signal mutation, loss or drifting, and generating an abnormal mark; performing cross validation by using multi-system redundant signals, constructing a signal credibility matrix according to signal source quality score and time continuity analysis, and selecting an optimal data source to complete abnormal signal recovery; and when all source signals are detected to be abnormal, starting a virtual signal prediction model, combining historical data and a system physical model to generate a replacement signal, and inputting the replacement signal into a monitoring system. The embodiment of the invention effectively reduces manual intervention and ensures safe and stable operation of a power system.

This application provides a method, device, and storage medium for controlling the operation of rail vehicles, including: acquiring basic parameters of the rail vehicles, information on delayed rail vehicles, and information on normally operating rail vehicles; acquiring the interval category between rail vehicles based on the information on delayed and normally operating rail vehicles; and controlling the operating status of all rail vehicles according to the interval category to conform to the planned operation schedule. This technical solution, addressing the situation where trains are delayed and the operation order of the line system is disrupted, sets different interval categories to make effective emergency dispatching and operational adjustments in real time, establishes a collaborative mechanism between individual trains within the system, and then achieves automatic restoration of train operation order by constructing self-organizing rules for train operation adjustments.

The utility model discloses a central air conditioning air supply adjusting device, including the shell, the shell is inserted with the butt joint frame, the inner wall of shell is fixedly connected with the support frame, the butt joint frame and the support ring between abutment have the filter screen, the butt joint frame is fixedly connected with the equal interval distribution's air deflector, the four corners of butt joint frame all is provided with the through slot, the through slot of butt joint frame is fixedly connected with the fixed column, the fixed column sliding connection has the limit hook, the limit hook with spring no.

The application discloses a kind of long-time assembly task planning method and system of robot based on reversibility constraint. For the problem of step irreversibility in assembly task, high failure cost, reversibility and failure semantics of assembly subtask are explicitly modeled in task planning layer, a subtask irreversible risk measurement model is constructed, and on this basis, risk-aware assembly task sequence planning is carried out, so as to reduce the probability of irreversible failure. In the execution phase, for each assembly subtask obtained by planning, a visual-language-action model is used to directly control the robot to complete specific operations, achieving effective collaboration between high-level planning and low-level operations. The application can significantly improve the safety and success rate of the robot in complex assembly tasks, and is suitable for long-time, multi-step industrial assembly scenarios.

The invention relates to the technical field of radio frequency electronics, and discloses a multi-channel radio frequency signal source device and an implementation method, and the device comprises a satellite receiver, a frequency reference source, a clock signal source, a multi-channel radio frequency signal source, a frequency monitoring module and a phase monitoring module. The frequency reference source locks a satellite signal generation benchmark; the clock signal source generates a driving clock based on a reference; the multi-path radio frequency signal source generates multi-path radio frequency signals by using a driving clock based on a direct digital frequency synthesis principle; the phase monitoring module measures signal phase difference through IQ phase discrimination and feeds back the signal phase difference, and realizes closed-loop phase locking in cooperation with multiple paths of radio frequency signal sources. A two-stage driving framework is adopted, synchronous frequency modulation of multiple paths of signals can be achieved by adjusting a clock, the phase relation is not changed, and automatic phase recovery after independent frequency modulation can be achieved through phase compensation. The invention has the advantages of continuous frequency modulation phase, stable amplitude, no need of automatic level control, low phase noise, high phase resolution and the like.