70results about How to "Reduce the probability of crashes" patented technology

The invention relates to an unmanned aerial vehicle system with in-site virtual-actual coupling. The system comprises an environment detection module, a virtual flight simulation module, an unmanned aerial vehicle remote control module, an unmanned aerial vehicle ground station module and an unmanned aerial vehicle flight module, wherein the environment detection module is used for detecting varied environmental parameters of the actual flight environment of the site; the virtual flight simulation module is used for generating virtual training environment and a virtual unmanned aircraft; the unmanned aerial vehicle remote control module is used for generating and transmitting remote control commands for an unmanned flight unit, and the remote control commands can be received by the unmanned aerial vehicle flight module and the virtual flight simulation module; the unmanned aerial vehicle flight module is an actually-mounted unmanned aircraft; an unmanned aerial vehicle ground station is equipment which is placed on the ground, and use staff perform initialization and real-time information treatment on the actually-mounted unmanned aircraft or the virtual unmanned aerial vehicle aircraft through the unmanned aerial vehicle ground station, so that the initial route of the actually-mounted unmanned aircraft or the virtual unmanned aerial vehicle aircraft is programmed, and the position, the attitude parameter and the obtained video signal of the actually-mounted unmanned aircraft or the virtual unmanned aerial vehicle aircraft are received.

The invention relates to the technical field of mobile operation systems, and discloses a page switching method and a system for application of a mobile terminal in an environment with multiple web pages. The method includes generating a new page loading request according to application logics during running of the application, assigning relation between a new page and a current page and analyzing and recording corresponding relation between a new page address and the new page; creating a new page running example, loading the new page according to the new page address, switching the status of the new page into a running status and switching running statuses of relevant pages; and generating a finish request when running of the new page is finished, obtaining a parent page of the new page according to the assigned page relation, then informing that the new page enters a finish status and simultaneously informing that a running status of the parent page of the new page is recovered. The page switching method and the system can effectively support the application of the mobile terminal in the environment with the multiple web pages, development difficulty is reduced, advanced control is realized, maintenance of the system is facilitated, reliability of the system is guaranteed, and performances of the system are greatly enhanced.

The embodiment of the invention provides a link reconfiguration method for a PCIE interface and a device thereof. The link reconfiguration method comprises the following steps: when the orientation of the PCIE interface link of a root complex is initialized again, if an endpoint device connected with the root complex by the PCIE interface in a physical manner exists and the electrical function of the link between the endpoint device and the root complex is in good condition, a channel number is allotted to an available channel of the link connected with the endpoint device; and data transmission is conducted between the available channel with the channel number and the endpoint device. With the method and device, the self-adaptive reconfiguration of the PCIE interface link is utilized to the full extent and the provisions of a protocol are reasonably utilized to improve the utilization ratio of the link, thereby ensuring the stability and continuity of the data transmission of a system by the PCIE interface and avoiding the dead halt of the whole system.

The invention relates to an algorithm model deployment and risk monitoring method and device, and computer equipment. The algorithm model deployment method comprises the steps: receiving an algorithmmodel file of a current algorithm model uploaded by a terminal; executing a related component library according to the algorithm model file and preset algorithms, and determining related components ofthe current algorithm model; and generating an algorithm package of the current algorithm model according to the algorithm model file and related components. The risk monitoring method comprises thesteps: sending an algorithm downloading request to an object management system, wherein the algorithm downloading request comprises identification information of a target risk analysis algorithm model, and deploying the risk analysis algorithm model stored in the object management system through the algorithm model deployment method; receiving an algorithm packet of the target risk analysis algorithm model returned by the object management system; and carrying out risk monitoring by loading and executing the algorithm packet. By adopting the algorithm model deployment and risk monitoring method, the service availability and the system robustness can be improved.

The invention discloses dual-redundancy computer equipment based on a domestic Loongson platform. The equipment comprises main computer equipment and standby computer equipment which are deployed on adomestic Loongson platform and recorded as a host and a standby respectively, a main and standby synchronization module, a main and standby switching module and an equipment cabinet management module, wherein each computer equipment comprises a BMC module and a measurement and control CPU module, the BMC module is provided with a CAN communication interface and a GPIO communication interface. According to the invention, a dual-redundancy hot backup method is utilized to ensure that the equipment can effectively and normally operate for a long time, and a health monitoring module is provided,so that the platform crash probability caused by instability of the equipment can be greatly reduced, and a stable and reliable operation platform is effectively provided for a domestic Loongson module.

The invention relates to an ARM (XScalePXA255 processor) embedded type control system based on CPU (central processing unit) redundancy design and bus interface redundancy design. The embedded type control system comprises a main CPU board, an assistant CPU board, a network board, a CAN board, a 289A board, a CAN board, an A/D board, a KGIO board, a power supply board and an SBUS baseboard. The redundancy of the CPU is achieved by the CPU board; the redundancy of the network bus interface is achieved by the network board; the redundancy of the CAN bus interface is achieved by the CAN board; and the redundancy of the 289A bus interface is achieved by the 289A board. The redundancy of the CPU, the redundancy of network bus interface, the redundancy of the CAN bus interface and the redundancy of the 289A bus interface can be achieved through the collaborative design of the hardware FPGA arbitration and drive and reentrant breakpoint of the software.

The invention belongs to the technical field of data storage, particularly relates to a method and a system for realizing image storage by utilizing the technology of a virtual file system. The method comprises the following steps: the software of a virtual file system is set up at a workstation, a hard drive or a plurality of hard drives are made by the virtual file system at the workstation in the virtual mode for being used by application software at the upper layer; the data connection among the hard drives and a plurality of image disk arrays are established, and the upper access data isstored on the two or more than two different image disk arrays at the same time. The invention has the advantages that the upper application is convenient and the safety of the data is improved. The problems of the single-point failure of the disk arrays and the demand of high-definition network to the bandwidth can be solved.

The embodiment of the invention discloses a scanning method, an apparatus, a computer device and a storage medium of a static code. The method comprises the following steps of: scanning a target static code by adopting a crash scanning rule corresponding to at least one crash type, wherein the crash scanning rule is determined according to a typical scene crash code corresponding to the crash type; if the hidden trouble code matched with the crash scanning rule is scanned in the object static code, the associated information of the hidden trouble code is written into the scanning report; at the end of the scan, the scan report is output. The embodiment of the invention can accurately check the crash problem and improve the reliability of the crash scanning tool.

The invention provides a method and a system for an event broker. The method for the event broker includes that an event processor is bound with a parent element of a daughter element or another element in a higher grade than the parent element in advance, when the event processor is triggered, all the daughter elements bound with the event processor are traversed and the daughter element responding to the event is found according to identity properties preset for the daughter elements, and the event processor acquires implementation data from preset memory attribute of the found daughter element and operates according to the implementation data. According to the technical scheme of the method and the system for the event broker, front-end page processing efficiency is increased.

The invention relates to a code downloading method and a compiling server, comprising the following steps: a) the compiling server gets the code downloading request which comprises the domain name of the master server of the code to be downloaded. b) the domain name of the master server of the code to be downloaded is replaced by the compiling server to the domain name of the targeted slave server of the code to be downloaded. c) the compiling server downloads the code from the targeted slave server according to the targeted slave server of the code to be downloaded. When the server room of the compiling server is provided with the slave server, the domain name for the slave server which is located in the same server room with the compiling server, can be used as the domain name for the targeted slave server to replace the domain name for the master server in the code downloading request through the code downloading method and the compiling server provided by the invention, which can enable the compiling server to download the code from the target slave server, can reduce the downloads of the master server, decrease the cost of the master server, and improve the reliability of the master server.

The embodiment of the invention provides an access traffic limiting method and device and a storage medium. In the embodiment of the invention, the method comprises dividing, the time unit of the specified granularity , for example one second, into a plurality of time points in advance and storing the time points into a time point pool; setting an upper limit value of the number of access requestswhich can be processed at each time point in the time point pool so that the access requests from the time unit with the specified granularity can be dispersed to a plurality of time points with smaller time granularity. Compared with the scheme that the access requests are refused only according to the traffic limiting threshold value corresponding to each time unit, the number of the refused access requests can be reduced, the pressure of the server can be relieved, the probability that the server crashes due to the fact that the pressure is too large is reduced, and the utilization rate ofserver resources is increased.

The embodiment of the invention provides a transmission control method, a network management server, a base station and a storage medium, and the method comprises the steps: transmitting a registration request, which comprises the information of a target file, for being registered as file providing equipment to the network management server through the base station with the downloaded target file,the network management server sets the base station with the downloaded target file as the file providing device, the base station serving as the file providing device provides the downloading service of the target file for the base station without downloading the target file, and in some implementation processes, the base station with the downloaded target file is registered as the file providing device, so the base station which does not download the target file can download the target file from the base station which already downloads the target file, so that the time required for downloading the file can be reduced, the base station which already downloads the target file shares pressure for the file server, and the probability of crash of the file server is reduced.

The invention relates to a self-tracking steel plate cutting robot and belongs to the field of robot engineering. A flexible cutting mechanism is fixedly connected with one end of the upper part of a movable trolley; a flame cutting device is fixedly connected with the middle of the movable trolley; and a robot controller is fixedly connected with the other end of the upper part of the movable trolley. The robot has the advantages that: the robot has a novel structure; a cutting line is tracked in a self-tracking mode by using a charge-coupled device (CCD) image acquiring and processing system, so the accuracy of cutting size is enhanced; a cutting system and a control system are integrated with each other, a cutting air source and an electric power supply are loaded and no external device is needed, so the requirement on system operation is lowered and the adaptability of the system is enhanced; and the robot has small occupied space, reduces processing assisting time of the system, improves processing efficiency and has simple operation and high use flexibility.

The invention relates to the technical field of testing, and discloses a test model construction method and system based on big data. The method comprises the following steps of: according to data information of a single transaction of a target service type from a system, determining a resource overhead value of a single transaction of the target sercice type, and according to the service volume proportion of the target service type and the resource overhead value of the single transaction of the target service type, and calculating and obtaining a resource overhead calculation value of the single transaction in the integrated service, obtaining a fitting factor according to the resource overhead calculation value and the resource overhead test value of the single transaction in the integrated service obtained in the test environment, and constructing a system performance test model by using the fitting factor. By implementing the method, a user can test the system performance by utilizing the system performance test model, so that the bearing capacity of the whole system can be accurately estimated.

The invention discloses a high-availability cluster architecture system and method. The system comprises a first server, a second server and a third server; the first server comprises a first main server and a first standby server, the first main server receives request information sent by a client and sends the request information to the second server, and the first standby server replaces the first main server when the first equipment state of the first main server is abnormal; the second server parses the request information and sends acquired demand information to the third server; and thethird server generates corresponding page data according to the demand information and feeds back the page data to the client. According to the high-availability cluster architecture system and method, by setting a fault-tolerant mechanism, normal operation of a website can be guaranteed through the first standby server when the first main server generates an abnormality, and the probability thatthe website collapses is decreased.

An embodiment of the invention discloses a client crash processing method, device and system, equipment and a storage medium. The method comprises the steps: determining whether a configuration file for a crash event is obtained or not when the crash event is monitored in a client operation process; if so, processing a crash event of the client according to the configuration file; if not, acquiring crash information of the crash event; sending the crash information to a monitoring server, wherein the monitoring server generates a configuration file of the client according to the crash information and sends the configuration file to the configuration server; sending the crash event to a client, wherein the client can request a configuration file for processing the crash event from a configuration server. The problem that the user cannot use the service of the client due to the fact that the client flashes back when a crash event occurs is prevented; according to the method disclosed inthe embodiment of the invention, the crash event can be processed through the configuration file before the client issues the version again, the crash rate of the client used by the user is effectively reduced in time, and the user can use the service provided by the client; the use duration, stability and use experience of the client used by the user are improved.

The embodiment of the invention provides a page switching method, a client, a server, electronic equipment and a system. The method belongs to the technical field of computer application, and comprises the steps that a first client receives page display operation triggered by a user and acting on a target application program, and loads a target page corresponding to the page display operation, andthe target page is a page in a first format; if the target page has an error, the first client sends a page error indication to a server corresponding to the target application program; the server searches a backup page corresponding to the target page and sends the backup page to the first client, and the backup page is a page in a second format; and the first client acquires the backup page corresponding to the target page, and displays the backup page. According to the scheme, the backup page is used for replacing the wrong target page in time, so that the crash probability of the application program is reduced, and the user experience is optimized.

The invention relates to embedded software and discloses a method for reducing the probability of dead halt of the embedded software. The method comprises the step of monitoring the operation of the embedded software in a clock program with minimum probability of dead halt, thus reducing the probability of dead halt of the embedded software to minimum. The technical scheme of the method comprises the following key points: flags are respectively set at the inlets and the outlets of all the interruptions, processes and public variables, a monitoring program is set in a clock to monitor the flags, and restoring once an abnormal interruption, process or public variable enters or exits. The invention has the beneficial effects that all the interruptions, processes and public variables are monitored in the clock program with minimum probability of dead halt and the probability of dead halt of the embedded software is reduced to minimum, and the method disclosed by the invention is applicable to the embedded software.

The embodiment of the invention relates to the technical field of mobile terminals, in particular to an adaptive activation method and an adaptive activation device for a USB (universal series bus) interface, terminal equipment and a storage medium. The adaptive activation method for the USB interface comprises the following steps: when preset trigger conditions are met, detecting whether an SIM (subscriber identity module) phone card is inserted into an SIM card slot of the terminal equipment or not; if the detection result is yes, acquiring the working state of the USB interface of the terminal equipment; updating the working state of the USB interface to an activation state. According to the embodiment of the invention, the aim of activating is achieved by directly performing state updating inside the system, and the step of receiving an instruction which is inputted by a user and allows activation is omitted, so that the probability of halting because the terminal equipment is connected into a computer through the USB interface is reduced; even if under the condition that certain progress crashes, the terminal equipment can perform data connection with the computer through theUSB interface by updating the working state of the USB interface through a background.

The invention discloses a task scheduling method, electronic equipment and a storage medium, and the task scheduling method applied to a node of a distributed system comprises the steps: sending a first request to a service node in a first cluster based on a to-be-scheduled first task; wherein any two service nodes in the first cluster can communicate with each other; the first request is used for requesting to acquire first information corresponding to the first task; receiving first information corresponding to the first task returned by the service node based on the first request; wherein the first information comprises equipment information of equipment executing the first task, all service nodes providing a first service related to the first task and task configuration information; and when the equipment information of the node is the same as the equipment information in the first information, executing the first task based on the task configuration information by calling a first service provided by at least one service node.

The embodiment of that present application provides a data determination method and apparatus. The method comprises the following steps: after receiving a service request for target data, based on theindication information carried by the service request, querying whether an intermediate result required for determining the target data is stored in the first memory; If hit, obtaining an intermediate result from the first memory; If it misses, the reference data is obtained from the second memory based on the indication information, and the reference data is subjected to data processing to obtain an intermediate result. Based on the intermediate results, the target data is determined. In an embodiment of the present application, if the server directly finds the intermediate result from the first memory, it does not need to obtain the intermediate result by calculation. On the one hand, it can effectively reduce the resource consumption of server processing service requests, and then reduce the probability of server system crash under the sudden increase of service requests; On the other hand, it can also improve the efficiency of server processing service requests, thereby improvingthe throughput of the server.