508results about How to "Achieve decoupling" patented technology

The invention provides a power grid energy disturbance suppression method for electric heating gas state information transmission collaboration, and relates to the technical field of information, and the method comprises the steps: obtaining multi-source heterogeneous state information of an electric heating gas energy network; aiming at the multi-source heterogeneous state information, dynamically converting a heterogeneous communication protocol into a unified protocol format by adopting a self-adaptive communication protocol conversion technology; and for the decoupled state information, parallel processing is carried out by adopting a distributed stream computing framework, so that the real-time performance and expandability of state information processing are improved. A distributed stream computing framework is adopted to construct an efficient processing assembly line, the block chain technology is utilized to guarantee the integrity and reliability of data transmission, a deep learning algorithm is applied to construct an intelligent analysis model, a multi-energy-flow coupling relationship and an evolution law are mined, and a multi-energy-flow analysis result is obtained. According to the method, data processing results of all links are fused to form a global state information view, decision support is provided for power grid energy disturbance suppression, and efficient processing, analysis and visualization of the state information of the electric heating gas multi-energy flow system are achieved.

The invention provides a decoupling type image style migration method based on a diffusion model, and relates to the field of image processing, and the method comprises the steps: constructing an image style migration model based on content and style decoupling, the image style migration model at least comprises a content extraction module, a style extraction module, a projection network and a style migration module, and the model decouples contents and styles from a feature level and a network level at the same time; constructing a training set covering a plurality of data types; training the image style migration model through the training set and the loss function; based on the trained image style migration model, the content image and the style image are input, the stylized result image with the target content and the target style is generated, and the method has the advantages that the style migration effect is improved, and more interpretability is achieved.

The invention relates to a memory expansion system, method and device. The memory expansion system comprises a plurality of memory modules; the host module is used for accessing the memory module according to system operation requirements; the signal switching modules and the memory modules are arranged in a one-to-one correspondence manner, and the signal switching modules are used for establishing access links between the host module and the memory modules, so that the host module accesses the memory modules; the interconnection control module is connected with the host module and the signal switching module, and the interconnection control module is used for determining a current interconnection topology network between the host module and the signal switching module and a current bandwidth of the host module; and the memory module is used for monitoring the real-time required bandwidth of the host module in real time and gating the signal switching module connected with the host module based on the current bandwidth and the real-time required bandwidth so as to redistribute access to the host module. Compared with the prior art, the running memory distributed on each host module can be dynamically adjusted in real time.

A non-contact three-dimensional displacement sensor disclosed by the present invention comprises a mechanical probe and a detection circuit, the mechanical probe part comprises a differential fixed block and an end cross beam, and two parallel inner side surfaces of the differential fixed block are fixedly provided with a first differential coil and a second differential coil respectively. A first target conductor located under the first differential coil is fixedly arranged on the top face of the suspension end of the cross beam, and a second target conductor located over the second differential coil is fixedly arranged on the bottom face of the suspension end of the cross beam. A pair of receiving coils Lx is fixedly arranged on the top face of the first target conductor or / and the bottom face of the second target conductor in the horizontal x direction, a pair of receiving coils Ly is fixedly arranged in the horizontal y direction, and the two pairs of receiving coils form a structure shaped like a Chinese character'jing '. The non-contact three-dimensional displacement sensor provided by the invention has better quasi-static resolution and displacement sensitivity in three directions, realizes decoupling in all directions, and has excellent performance in indexes such as linearity, measuring range and the like.

The invention discloses a startup method, a shutdown method, a logic device, a server and a readable storage medium, the logic device is located in the server, the logic device is in communication connection with a field programmable gate array of the server, and after the server is powered on, the logic device is triggered to be reloaded by firmware; after firmware reloading is completed, a standby component of the server is powered on, and the state of the standby component is monitored; after it is monitored that the field programmable gate array is started, level information is transmitted to the field programmable gate array; and after the standby time sequence control is finished, performing power-on time sequence interaction with the field programmable gate array under the condition of receiving a power-on signal, and performing power-on processing on the processor. The method and the device have the technical effects that the startup action can be realized only by performing the standby time sequence and the power-on time sequence on the logic device and the field programmable logic gate array, and decoupling of the startup and shutdown of the server and the substrate management controller is realized, so that the startup and shutdown of the server are accelerated.

The invention discloses a distributed architecture of an intelligent emergency command and dispatch system and a collaborative decision-making method. A distributed architecture comprising a basic resource layer, a support service layer and an application layer is constructed, and functions of multi-type alarm access, accurate alarm positioning, intelligent power dispatching and the like are realized by using multiple technologies. And establishing a collaborative decision-making mechanism which covers problem modeling, communication protocol design, negotiation mechanism development, dynamic adjustment and decision-making execution. The system is deployed after integration testing and security testing, personnel training, daily hardware maintenance, software monitoring, data backup and security component updating are carried out. The emergency commanding and dispatching efficiency, accuracy and collaboration are improved, the method adapts to complex emergencies, and public safety is guaranteed.

The invention provides an adsorption module and a motion system, and relates to the technical field of precision equipment. The adsorption module comprises an adsorption substrate, a rotating base, a rotating shaft module, a wafer bearing table and a suction cup. The rotating base is fixedly connected with the adsorption substrate, and the rotating shaft module can rotate relative to the rotating base; the rotating shaft module can move in the axial direction of the rotating shaft module relative to the rotating base; the rotating shaft module is configured to be connected with the suction cup or the rotating base in an air pressure connection mode. The wafer bearing table is configured to be capable of adsorbing the suction cup or supporting the suction cup in an air floatation mode.

The invention discloses a capacitive small six-dimensional force sensor, an optimization design method and a six-dimensional force decoupling method.The sensor comprises a three-T-shaped beam type elastic body, a lower electrode plate, an upper electrode plate and a base, the three-T-shaped beam type elastic body converts external six-dimensional force into displacement changes, the upper electrode plate is connected with the elastic body, the upper electrode plate and the lower electrode plate form six sets of opposite electrodes, and the three-T-shaped beam type elastic body is connected with the base. Comprising three groups of horizontally arranged electrodes and three groups of vertically arranged electrodes to form six groups of parallel plate capacitor structures. When the sensor is subjected to external force, deformation of the elastic body drives the upper electrode plate to generate displacement, a capacitance value is changed, and force information is converted into six capacitance signals to be output. The sensor is compact in design and small in size, and can be conveniently integrated into narrow spaces such as robot fingertips. Based on a capacitance measurement principle, the sensor has excellent dynamic response performance and can quickly respond to external force change. The sensor has high sensitivity, rigidity in all directions is consistent, the coupling effect of force is effectively reduced, and high-precision six-dimensional force decoupling is achieved by combining a decoupling algorithm.

The invention provides a heart point cloud reconstruction method and system for echocardiography, and the method comprises the following steps: obtaining three-dimensional heart structure data, and carrying out the preprocessing of the data; reading voxel data of the three-dimensional heart structure data, and performing point clouding to form voxel reconstruction point cloud data; performing standardization processing on the voxel reconstruction point cloud data to obtain all-center point cloud data, and performing segmentation acquisition to obtain standard section point cloud data; establishing a scanning guide network based on the heart structure data to be processed and the standard section point cloud data; and obtaining a test sample, inputting the test section point cloud data in the test sample into the scanning guide network, and outputting the three-dimensional heart structure data of the test sample and the heart point cloud data of the section where the test section point cloud data is located. After the scheme is adopted, an echocardiogram scanning guide network based on the point cloud is provided, a complete three-dimensional heart model is constructed, and meanwhile, the tangent plane where the two-dimensional echocardiogram is located is determined in the three-dimensional heart model.

The invention discloses a torque system and suspension system decoupling method of a single-winding magnetic suspension permanent magnet synchronous motor, the motor adopts a suspension parallel single-winding structure, the torque system decouples suspension current, permanent magnets adopt consequent poles, and the suspension system decouples a rotor position angle; aiming at a current loop of the suspension system, regarding a coupling item of a torque system to the suspension system as disturbance, designing a sliding mode disturbance observer based on an improved superhelix algorithm, observing and compensating the disturbance, and realizing decoupling of the suspension system and torque control; aiming at the displacement / suspension force ring of the suspension system, designing a sliding-mode active-disturbance-rejection controller, observing the disturbance of the rotor displacement and compensating the suspension force to realize decoupling among different suspension degrees of freedom; the residual coupling factors of the torque system are regarded as system disturbance, and the disturbance is observed and compensated in real time by using a sliding mode-active disturbance rejection composite control method, so that decoupling of the residual coupling factors is realized. According to the invention, comprehensive decoupling of the torque system and the suspension system is realized.

The embodiment of the invention provides a model conversion method, a related device and a medium. According to the method, a model conversion mirror image is deployed to a node where a target chip is located, and an original model is converted into a target model corresponding to the target chip through the model conversion mirror image. And then the original model before conversion and the target model after conversion are verified through the original model verification mirror image and the target model verification mirror image respectively, a conversion deviation value capable of judging the model conversion effect is obtained according to the first verification result and the second verification result, and automatic verification of the target model after conversion is achieved. And based on the verification result (conversion deviation value), constructing a mirror image for the target model meeting the requirement, and storing the mirror image in a mirror image warehouse for subsequent calling. The embodiment of the invention aims to ensure the availability of the converted model. The embodiment of the invention can be applied to scenes of computer vision, natural language processing, voice recognition, automatic driving, edge calculation and the like.

The invention relates to the field of computer-aided engineering, and discloses a CAE software cross-platform test system, test method, equipment and medium, the CAE software cross-platform test system comprises an automatic execution framework and an automatic execution scheduling framework; the automatic execution framework is used for arranging a test case task; the automatic execution scheduling framework is used for distributing and scheduling test case tasks; wherein the automatic execution framework further comprises a test case library and a case action library, the step of arranging the test case task comprises the substeps of reading test cases in the test case library and describing, calling and executing case actions in the case action library according to the test cases, and the case actions are universal actions in the CAE software test. According to the CAE software cross-platform testing system, software testing and complete decoupling of different CAE software architectures are achieved, the problem that the testing environment building efficiency is low due to the fact that the difference of the CAE software architectures is large is solved, and the development testing efficiency and accuracy are improved.

The embodiment of the invention relates to the technical field of communication, in particular to a channel establishment method and device and a first terminal. The method comprises the following steps: under the condition that a channel establishment request initiated by a first application is obtained, executing a channel establishment method in an SDK (Software Development Kit) to obtain establishment parameter information required for establishing a data channel; sending the creation parameter information to a background service to indicate the background service to interact with an IMS protocol stack in the first terminal according to the creation parameter information, and constructing a data channel between the first terminal and a second application of the second terminal; the first application and the second application are the same application.

The invention belongs to the technical field of cloud computing, and discloses a lightweight multi-domain hyper-fusion platform construction method compatible with heterogeneous hardware resources, which adopts a lightweight hyper-fusion platform architecture compatible with the heterogeneous hardware resources, converts physical resources into virtual resources on a virtual machine based on a KVM (Kernel-based Virtual Machine), shields the difference of underlying hardware, and improves the performance of the platform. According to the method, heterogeneous storage resources are integrated based on Ceph, and storage devices of different manufacturers are integrated into a unified storage pool through a distributed storage technology without being limited by types of bottom hardware devices. Through the SDN technology, the OpenStack network service can decouple a network control plane and hardware, and unified management of different network devices is realized. Through a virtualization technology and an automatic management tool, a simplified elastic expansion solution is provided, and changes of resource demands are easily coped with.

A power supply circuit board and computer equipment relate to the technical field of power supply. Wherein a step-down transformer and a power input interface are arranged in the power supply circuit board, and the step-down transformer is electrically connected with the power input interface; the power supply input interface is used for receiving an input voltage, and the step-down transformer is used for converting the input voltage into a voltage required by the chip assembly; a first connector is also arranged in the power supply circuit board, and the first connector is electrically connected with the step-down transformer; the first connector is in butt joint with a second connector of a voltage stabilizer of the chip assembly, the position of the first connector is opposite to the position of the second connector, and the chip assembly obtains voltage needed by the chip assembly through the first connector.

The invention provides a high-voltage connector, electronic equipment and a vehicle. The high-voltage connector comprises a male-end socket and a female-end plug, the male end socket is used for connecting an electronic device and is provided with a jack; the female end plug comprises a shielding shell, a shielding elastic sheet and a plug inner core, the shielding shell is sleeved outside the plug inner core, and the shielding elastic sheet is connected to the shielding shell; the male end socket is configured in a way that under the condition that the male end socket and the electronic device are jointly installed in an installation cavity of a shell of the electronic equipment, the jack is opposite to a connecting hole formed in the shell, and the connecting hole is communicated with the installation cavity; under the condition that the plug inner core is plugged and electrically connected with the male end socket through the jack, the shielding shell is located in the connecting hole, and the shielding elastic sheet elastically abuts against the hole wall of the connecting hole. According to the high-voltage connector, the male end socket and the electronic device are jointly integrated in the mounting cavity, so that the connection step of a fastener is omitted, the mounting process is simplified, and the assembly efficiency of electronic equipment is improved.

The embodiment of the invention provides a data transmission method and a computing node. The method is applied to a first computing node of a computer cluster, the computer cluster comprises a plurality of computing nodes, a storage node and computing interconnection CXL equipment, the plurality of computing nodes are connected with the storage node through the CXL equipment, and the plurality of computing nodes are further connected through Internet links. The method comprises the steps that a first computing node stores target data in a target storage position of a target storage node through CXL equipment, the first computing node is any computing node in a plurality of computing nodes, and the storage nodes comprise the target storage node; the first computing node sends a notification message to the second computing node through the internet link, the notification message comprises the node information of the target storage node and the target storage position, and the second computing node is any computing node except the first computing node in the plurality of computing nodes. Through the method, the data transmission efficiency in the computer cluster can be improved.

The invention discloses a heat supply and power generation decoupling method and system for improving the peak regulation capacity of a heat supply unit, and relates to the technical field of thermal power generation. Through the synergistic effect of a phase change heat storage technology and efficient electric heating equipment, the peak regulation capacity of the heat supply unit is remarkably improved, and through reasonable configuration of system components, the heat supply and power generation decoupling efficiency is improved. Balance of economical efficiency and high efficiency of the system is achieved, operation cost is reduced, operation parameters can be monitored in real time through the intelligent control unit, intelligent regulation and control can be implemented on the basis of monitoring data, meanwhile, a self-adaptive learning function is achieved, a control algorithm is optimized from historical operation data, efficiency of the system is improved, and the service life of the system is prolonged. By configuring an intelligent sensor network, a communication module and a user interface, communication safety and visual friendliness of user operation can be ensured, the problem that the peak regulation capacity of a traditional combined heat and power generation system is insufficient is effectively solved, and the system has high practicability and popularization value and is worthy of popularization. And an innovative solution can be provided for improving the overall peak regulation performance and economy.

The invention relates to the technical field of computers, in particular to a server case and a server. The server case comprises a shell, a limiting assembly and a power supply connecting assembly. The shell comprises a containing cavity, and the containing cavity comprises a first opening and a second opening and is used for allowing composition modules of the server to pass through; the limiting assembly comprises a middle back plate, and the middle back plate is arranged in the containing cavity; the power supply connecting assembly comprises a plurality of connectors arranged on the middle back plate, and the connectors arranged on the middle back plate face the first opening or the second opening and are used for being detachably connected with connecting pieces arranged on the surface of the composition module; the connector and the connecting piece are electrically connected when assembled. Through the above mode, each composition module in the server can be decoupled, and blind insertion and quick disassembly of the composition modules are realized, so that improvement of the assembly and operation and maintenance efficiency of the server composition modules is facilitated.

The invention provides an emotion recognition method based on brain activation region multi-view comparative learning. The method comprises the following steps: acquiring a to-be-recognized electroencephalogram emotion signal; performing space-time transformation on the to-be-recognized electroencephalogram emotion signal to obtain a to-be-recognized space-time signal; inputting the space-time signal to be recognized into a pre-trained double-path decoupling multi-view model to obtain an emotion recognition result; two encoders used for extracting time features and space features are arranged in a final double-path decoupling multi-view encoder, so that multi-dimensional information in a space-time signal to be identified can be fully excavated and utilized, and decoupling of corresponding space-time features is realized; a space-time signal sample is divided according to the activation degree of a brain region to obtain a high activation region and a low activation region, a targeted data enhancement strategy can be executed according to different activation degrees of the brain region, and on the basis, a pre-trained double-path decoupling multi-view model is obtained through training by using the sample subjected to data enhancement; and the emotion recognition accuracy and reliability of the pre-training double-path decoupling multi-view model are improved.

The invention discloses a PLC module configuration management method and system, electronic equipment and a storage medium, and the method comprises the steps: generating an xml description file of each module through a mutual mapping mode of UI elements and labels; and automatically analyzing and rendering a parameter configuration interface corresponding to each module through the PLC programming software according to the mapping relationship between the control element and the label and the hierarchical structure of the statement in the description file, thereby realizing the display of the parameter configuration interfaces of different types of modules, and realizing the complete decoupling between the PLC programming software and the module functions. The requirement for flexible combination of the modules can be met through one-time development, when the modules are newly added in the PLC system or the functions of the modules are changed, secondary development of functional change of PLC programming software is not needed, only the xml description files of the newly added modules need to be added or corresponding modification needs to be conducted in the xml description files of the modules, development is simple, and maintenance is convenient.

The application discloses a supplemental combustion type flue gas molten salt heat exchanger and a working mechanism thereof, characterized in that: a supplemental combustion device is added in the upstream of a flue gas molten salt heat exchanger, the supplemental combustion device is connected with the flue gas molten salt heat exchanger through a flue, and a supplemental combustion type flue gas molten salt heat exchange integrated device is formed; the device comprises a supplemental combustion device or a supplemental combustion device, and a first-stage flue gas molten salt heat exchange component. The application can realize the functions of more uniform and efficient supplemental combustion heat transfer in the flue gas, realize a safer ignition mode of the supplemental combustion gas or the mixed body of the atomized supplemental combustion gas and liquid (or gas powder) outside the flue, realize the function of more convenient monitoring of the supplemental combustion, realize the complete decoupling of heat and electricity in the combustion engine power generation heat supply energy storage system, and realize the functions of self-supply of external power, heat storage or heat supply of the system.

The utility model discloses an annular spring composite conical rubber two-stage variable-stiffness vibration double-control support which comprises a horizontal vibration isolation support body, a longitudinal vibration isolation support body and a transverse vibration isolation support body. The vertical vibration isolation support comprises a support upper connecting unit and a support lower connecting unit, the lower part of the support is connected with a unit; the double-stage variable-stiffness vertical vibration isolation unit comprises upper inner ring spring composite conical rubber, lower inner ring spring composite conical rubber and an outer ring spring, and the upper inner ring spring composite conical rubber and the lower inner ring spring composite conical rubber are partially embedded into the outer ring spring from the upper portion and the lower portion respectively. When the two-stage variable-stiffness vertical vibration isolation unit is subjected to first-stage vertical loading, the vibration isolation unit has first-stage vertical stiffness, when the two-stage variable-stiffness vertical vibration isolation unit is subjected to second-stage vertical loading, the vibration isolation unit has second-stage vertical stiffness, and the first-stage vertical stiffness is smaller than the second-stage vertical stiffness. According to the double-order variable-stiffness vertical vibration isolation device, the vertical vibration effect and the horizontal earthquake effect can be isolated at the same time, meanwhile, double-order variable-stiffness vertical vibration control is achieved by means of the combined vibration isolation units of the annular springs and the conical rubber, and the vibration isolation effect is remarkably improved.

The invention provides a surface-mounted permanent magnet synchronous motor full-rank online parameter identification method and system, and relates to the technical field of synchronous motors. According to the method, firstly, low-frequency small current is injected into a d axis, deformation is carried out on a voltage equation of the d axis of the motor under the condition, decoupling of the resistance Rs of a stator and other parameters is achieved, on this basis, the resistance Rs serves as a known quantity, decoupling psi f of inductance Ls and flux linkage is achieved through other voltage equations, and finally an identification model of the three parameters is obtained; and finally, a forgetting factor least square recursion formula is combined with an identification model of the three parameters to realize online dynamic identification of the motor parameters. According to the method, the three parameters of the resistance Rs, the inductance Ls and the flux linkage psi f can be identified on line, parameter identification does not depend on the working state of the motor, and real-time identification of the dynamically changing motor parameters in the working process of the motor is achieved.

The invention relates to the technical field of video understanding, in particular to a video understanding question answer generation method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring long video data and a video understanding problem; segmenting the long video data into a plurality of short video clips, and generating a corresponding description text based on the image information of each short video clip by adopting a short-term visual subtitle generator; splicing the description texts in sequence according to the time sequence corresponding to each short video clip to obtain a target description text; and inputting the target description text and the video understanding question into the large language model to obtain an answer which is generated by the large language model based on the target description text and corresponds to the video understanding question. By adopting the method, the problems of high inference training cost and long period of the existing long video understanding model can be solved, and the technical effects of simplifying the complexity of long video understanding and improving the question and answer generation efficiency and accuracy in long video understanding are achieved.

The invention discloses a six-dimensional force sensor, which relates to the field of sensor technology. The outer end of the radial beam is connected to the middle of the floating beam to form a "T" beam; each beam is evenly distributed in the circumference, and its radial beam is arranged along the radial direction, and the floating beam is arranged vertically, and the inner end of each radial beam is connected to the center platform; the top and bottom ends of each floating beam are respectively fixedly connected to the circumferential support, and the center platform and the circumferential support are provided with positioning holes; the radial beam is provided with a radial beam vertical through hole penetrating its upper surface and lower surface and a radial beam transverse through hole penetrating its two side surfaces, and the floating beam is provided with a floating beam transverse through hole penetrating its two side surfaces; strain gauges are arranged on both sides of the radial beam vertical through hole, the radial beam transverse through hole and the floating beam transverse through hole. The sensor of the present invention is provided with transverse through holes and vertical through holes on each radial beam, and transverse through holes on each floating beam, so that the strain on the beam is concentrated on both sides of each through hole, which can effectively improve the resolution of the sensor while ensuring the rigidity of the sensor.

The invention discloses a fuel cell BOP power supply device and system, a control method, equipment and a medium, is applied to the technical field of fuel cells, and particularly adopts a direct-current power supply system taking power from a power grid as a main power supply and an energy storage system as a hot backup to supply power to a BOP in parallel, determining a target output voltage not lower than the output voltage of the energy storage system based on the current SOC of the energy storage system, and controlling the DC power supply system to output the target output voltage; when it is determined that the direct-current power supply system has the power supply fault, the connection between the direct-current power supply system and the BOP power supply bus is controlled to be disconnected, and since the energy storage system is always hung on the BOP power supply bus for continuous output from the time when the direct-current power supply system has the power supply fault to the time when the direct-current power supply system is cut out, the performance of the BOP power supply is not affected, and normal power generation is ensured; time is won for power-off maintenance, normal shutdown according to plans is guaranteed, the sudden stop frequency is reduced, and the service life of a power generation system is guaranteed.

The invention provides a universal data management system and method based on a multi-modal agent, electronic equipment, a storage medium and a program product. The universal data management method based on the multi-modal intelligent agent comprises the following steps: S1, defining and realizing data acquisition, data cleaning, data labeling and a data storage tool set; s2, designing a task Prompt and inputting the task Prompt into the multi-mode intelligent agent; and S3, the multi-modal agent generates a treatment plan according to the treatment task and requirements and comprehensively uses the tool chain to complete the data treatment task. Through the data governance system and the data governance method, the working process is simplified; each team only needs to pay attention to development and maintenance of own tools and does not need to pay attention to the complexity of the whole process, so that task decoupling is realized; the multi-modal intelligent agent can flexibly select and switch different tools, and the more the tools are, the stronger the problem solving capability of the system is; the method is suitable for various data governance scenes, is not limited by specific industries and applications, and has high universality.

The invention discloses a shock absorber control method and device, a vehicle and a storage medium, and the method comprises the steps: determining the driving road surface working condition of the vehicle according to the unsprung acceleration of the vehicle, and controlling a shock absorber of a suspension system on the vehicle according to the special road surface working condition when the driving road surface working condition is the special road surface working condition; according to the method, the running road surface working condition is judged through the unsprung acceleration, when it is recognized that the vehicle runs on the special road surface, namely the special road surface working condition is recognized, the suspension shock absorber is controlled according to the special road surface working condition, decoupling of the common road surface working condition and the special road surface working condition is achieved, and the shock absorber is controlled according to different road conditions; the damping force of the shock absorber is changed according to the requirement of the whole vehicle performance, a road surface with large mutability can be effectively dealt with, the control precision of a suspension is improved, and therefore the driving comfort and operation stability of the vehicle are improved.

The invention discloses a service fusing method based on a distributed service gateway and a related product. The method comprises the following steps: acquiring an error rate of accessing each service recorded in each service gateway; and for any service, opening a circuit breaker corresponding to the service under the condition that the error rate of the service recorded in any service gateway is greater than the corresponding error threshold. In the embodiment of the invention, the service gateway is used for recording the error rate of service access, and the gateway is used for controlling the circuit breaker corresponding to the service, so that decoupling of the service gateway and the redis is realized, and the performance of the service gateway is not restrained by the redis any more and is improved.