43results about How to "Avoid Overloaded Situations" patented technology

The invention discloses a load balancing based performance data acquisition method for a large-scale parallel program. The method is used for performing distributed acquisition on performance data generated by a large-scale parallel program in a high-performance computer and saving the data in an external memory. Nodes in the high-performance computer are divided into three classes of compute nodes, acquisition nodes and control nodes with the method comprising the following steps of: dynamically selecting the needed acquisition nodes with a load balancing algorithm; instrumenting and committing the parallel program on the control nodes through tools; collecting the performance data of the parallel program and sending the performance data to the selected acquisition nodes in a distributedway; receiving and caching the performance data from all the compute nodes in a distributed way and writing the performance data in the external memory. The efficiency and the expandability of the acquisition of the performance data of the parallel program can be improved with the method.

The invention discloses a method for load balancing of Web requests based on operating system virtualization. The method comprises the following steps of firstly, carrying out collection and normalization of server resource information; secondly, collecting dynamic information of a server and service instances; thirdly, computing final weights of service instance copies of all services according to the server resource information and the periodically-collected dynamic information; and lastly, distributing the requests through weighted round robin. According to the method, the phenomenon that the different service instance copies on one server simultaneously receive a large amount of Web requests due to the lower server load to cause the server overload can be effectively avoided, the load balancing between the service instance copies and the server is implemented, the concurrence capacity of a Web cluster system is improved, and the average response time of the requests is reduced.

The invention provides a method and a system for accessing a terminal to a network. The method comprises the following steps that: the terminal determines waiting time for the terminal to access the network again according to access time control information configured by a network side when receiving a rejection message or a link release message from the network side; the terminal determines access delay time of the terminal according to the waiting time; and the terminal initiates an access request to the network side when the waiting time of the terminal is equal to or exceeds the access delay time. By the method and the system, the problems that a core network entity is congested and rejects the requests of all the current machine type communication (MTC) terminals, and the congestion state is continuously kept certainly if the MTC terminals initiate access again simultaneously subsequently can be solved.

The invention relates to an optimization control method of a transformer load of a transformer substation automation system, belonging to the technical field of transformer substation automation. The method comprises the steps of: acquiring a load related to running main transformer equipment by carrying out the topology connection analysis on the current transformer substation; if the main transformer equipment overloads, calculating a resectable load of the overloaded main transformer equipment according to a load priority and a locking state and submitting to a scheduling decision through a network; and practically issuing a resection control instruction in case of scheduling approval, or else recalculating a load resecting strategy according to a scheduling instruction result and submitting to the scheduling to be confirmed until the main transformer equipment has no resectable load any more. On a basis of an action strategy of a traditional transformer load optimization device, the invention frees the cost of a hardware device by embedding a software module in a transformer substation comprehensive monitoring system and interacts with a load optimization control strategy at amain station terminal by combining with the current computer communication technologies so as to achieve the aim of optimally controlling the transformer substation load.

The invention provides a data exchange system and method. The data exchange system comprises a data receiving end, at least one data exchange device and at least one data transmitting end. Each data exchange device is connected with the data receiving end and the at least one data transmitting end. Each data transmitting end is used for generating at least one piece of to-be-exchanged data and transmits the at least one piece of to-be-exchanged data to the data exchange device connected with each data transmitting end. Each data exchange device is used for receiving the at least one piece of to-be-exchanged data sent by the data transmitting end connected with the data exchange device. Data detection is carried out for each piece of to-be-exchanged data, so at least one piece of target data is obtained. Each piece of target data is sent to the data receiving end. The data receiving end is used for receiving the at least one target data sent by the at least one data exchange device. According to the technical scheme provided by the embodiment of the invention, the data exchange efficiency can be improved.

The invention discloses a software defined network (SDN)-based multi-controller dynamic deployment method, including the following steps: using a Paxos algorithm to select one controller as a master node from multiple controllers adjacent to a fault controller in the SDN, enabling the master node to acquire final immigration controllers corresponding to all switches managed by the fault controlleraccording to the topology structure of the SDN network, the load state of each following node, and messages sent in the process that the fault server and the master node are in synchronization, and then enabling the following nodes to execute an immigration process of the switches according to the obtained final immigration controllers corresponding to all the switches under the fault controller.The scheme of the invention solves the technical problem of increased average response time delay of the controllers caused by that in an existing multi-controller dynamic deployment method, capacitylimitation of the immigration controllers is not considered and the transmission distances between the switches and the controllers after the fault recovery are neglected.

The embodiment of the invention belongs to the technical field of communication, and provides a load adjustment method and device. The load adjustment method comprises the following steps: determiningthat any port in an aggregation group that participates in load sharing is switched to an unselected status; and allocating traffic forwarding tasks of the port to other ports in the aggregation group, so that the traffic forwarding tasks can be carried out by the other ports in turn. The load adjustment method has the advantages that the traffic forwarding tasks are carried out by the ports other than the port in the unselected status in turn, and original traffic forwarding tasks of the other ports are not changed, so that load adjustments can be carried out after a status change to the port in the aggregation group without changes to the original traffic forwarding tasks of the other ports, and high traffic load consistency among the ports and the effect of ''same-origin and same-destination first'' can be further maintained.

The invention discloses a neighbor storage method based on a data mapping algorithm. The neighbor storage method comprises the following steps: utilizing a spectral Hash algorithm to carry out Hash mapping on a high-dimensional data sample to obtain the k-dimensional binary system Hash code of each high-dimensional data item; utilizing a Z-curve method to convert the k-dimensional binary system Hash code of each high-dimensional data item to obtain the Z-Value value of each high-dimensional data item; utilizing a Chord method to construct a distributed node network, wherein the distributed node network consists of a Chord ring and m node servers distributed on the Chord ring; mapping and storing the Z-Value value of each high-dimensional data item into the node servers, and updating a node server routing table which obtains a stored node; and according to the high-dimensional data item to be queried, determining the Z-Value value of the high-dimensional data item to be queried, and searching the node server routing table of each node clockwise to find the node server where the high-dimensional data item is positioned. The neighbor storage method can realize neighbor storage and also can lower the switching expenditure of the node server, improve query accuracy, improve the operation efficiency of the whole system and lower network bandwidth when dependence query is carried out.

The embodiment of the invention discloses a motor drive control device, which comprises a battery, a motor control module and a motor. The battery comprises a battery management module, wherein the battery management module is used for calculating the dischargeable power of the battery. The battery management module is electrically connected with the motor control module, and is used for transmitting the dischargeable power of the battery to the motor control module. The motor control module is electrically connected with the motor, and is used for adjusting the motor setting input power to beless than or equal to the dischargeable power of the battery when the motor setting input power is greater than the dischargeable power of the battery, so that the battery outputs the adjusted motorsetting input power to the motor. The technical solution provided by the embodiment of the present invention can solve the problem that the motor control module of the existing marine electric propeller cannot obtain the dischargeable capability of the battery, so that the input power of the motor cannot be adjusted according to the change of the dischargeable capability of the battery.

The invention relates to the technical field of communication, provides a message processing method and system, and aims to solve the problem that a single message server in a message distribution system in the prior art can only serve for a limited number of users. The method comprises the following steps that: a management module monitors whether a user access number exceeds a threshold value or not in real time, and newly adds a connection service module into a connection service module group and starts the newly-added connection service module when the user access number exceeds the threshold value; the connection service module group receives a message sent by a client, and forwards the message to a message processing module through a communication module; and the message processing module processes the message. Through the technical scheme provided by the invention, horizontal expansion can be realized on a same channel to support unlimited user connections, and high availability is achieved. Meanwhile, the connection service modules are separated from the message processing module, so that complete separation of client connections from logical processing is realized, and high flexibility is achieved.

The invention discloses a method for measuring true stress of a material and belongs to the technical field of material science. According to the method disclosed by the invention, a Poisson effect and volume expansion of the material in an elastic deformation region are considered; meanwhile, height localization of deformation of the material in a plastic deformation process is considered, and plastic deformation is finished through formation and sliding of a shear zone. Therefore, in a whole deformation process, an effective loading area can be accurately calculated by combining an originalsize of a sample piece, and the true stress on the sample piece can be accurately measured by utilizing a uniaxial loading load-displacement curve; the method has great significance and value in a process of determining basic mechanical property parameters by utilizing uniaxial loading.

The embodiment of the invention provides a load balancing method and system, relates to the technical field of computers, and can improve the resource obtaining speed of a downloading node. The embodiment of the invention comprises steps that a uploading node determines a first number of downloading nodes allowed to be accessed according to the access upper limit of the uploading node, the first number is the number of the downloading nodes allowed to be accessed except the downloading nodes accessed to the uploading node, and the access upper limit is the total number of the downloading nodes allowed to be accessed to the uploading node determined based on the resource utilization rate of the uploading node. The upload node then sends the first number to the tracking node. The tracking node receives the first number sent by the uploading node, and stops allocating other downloading nodes except the downloading node accessed to the uploading node to the uploading node if the first number is greater than a first threshold value.

The embodiment of the invention provides an unloading platform. The unloading platform comprises a plurality of mounting main beams, a loading and unloading table and a stabilizing mechanism. Each mounting main beam comprises a fixed section and a cantilever section, wherein the fixed section is used for being arranged on the top face of a main body structure, the end of the fixed section is provided with a first connecting part used for being connected with the top face of the main body structure, and / or the bottom face of the cantilever section is provided with a second connecting part used for being connected with the side face of the main body structure. The loading and unloading table is arranged on the cantilever sections. The stabilizing mechanism comprises an extrusion connecting piece, wherein one end of the extrusion connecting piece is in extrusion connection with the top faces of the fixed sections, and the other end of the extrusion connecting piece is used for being in extrusion connection with a top structure; and / or the stabilizing mechanism comprises a supporting connecting piece, wherein one end of the supporting connecting piece is in supporting connection with the cantilever sections, and the other end of the supporting connecting piece is used for being connected with a bottom structure. According to the unloading platform, the anti-sliding stability of the mounting main beams is guaranteed, and the anti-overturning stability of the unloading platform is guaranteed; and the load of a material bearing table on the loading and unloading table can be monitored in real time, and the situation of overload is avoided.

The embodiment of the invention discloses a load adjustment method and device, electronic equipment and a storage medium, and the method comprises the steps: determining the load prediction information of each virtual machine node at the next moment based on a preset time interval, and the load prediction information comprises the central processing unit utilization rate and the memory occupancy rate of the virtual machine node; determining at least one available virtual machine node according to each piece of load prediction information, and determining a to-be-allocated node sequence according to the at least one available virtual machine node; and based on the to-be-distributed node sequence, distributing the to-be-processed request at the current moment to each available virtual machine node one by one, so that each available virtual machine node processes the corresponding to-be-processed request. According to the technical scheme provided by the embodiment of the invention, the virtual machine nodes are subjected to resource averaging utilization and distribution, so that the condition that individual nodes are overloaded is avoided, and the system performance and the resource utilization rate of the virtual machine nodes are improved.

The present application discloses an electrocardio detection data management system. According to the electrocardio detection data management system of the invention, electrocardio detection data andstructured data associated with the electrocardio detection data are uploaded to a server group through a client, so that the electrocardio detection data and the structured data associated with the electrocardio detection data can be stored in the server group; since the storage capacity of a database is much higher than the storage capacity of an SD card and most external storage devices, the efficiency of the storage of the data and the convenience of the calling of the data can be ensured; the server group adopts an asynchronous uploading strategy to add a received data uploading request to a task queue, and sends a permission instruction to the client according to the sequence of the task queue; and therefore, the excessive load of the server group caused by a condition that too manyclients simultaneously upload electrocardio detection data to the server group can be avoided.

The invention provides a system and method for calculating human traffic at a bus station, and relates to the technical field of public transportation systems, in particular to the technical field of bus transportation human traffic calculation. According to the invention, an electronic circuit plate is arranged at each bus station, a key corresponding to each station, through which a bus passes, is arranged on the electronic circuit plate, the keys are connected with a data transmission interface, data received by the data transmission interface is transmitted to an operation terminal, and the number of passengers getting on the bus at a certain station is calculated by the operation terminal and sent to a bus route driver. The number of the passengers getting on / off at each station can be timely known, bus overloading is avoided, the service life of the bus is prolonged, and the bus driving safety is improved.

The invention discloses an animal carcass degradation method and an animal carcass degradation machine. Animal carcasses are pre-crushed into fragments, and the animal carcasses crushed into fragments are stirred for primary degradation; the animal carcasses are heated while being stirred, and water vapor and waste gas generated in the primary degradation process are exhausted through air pumping. When large animal carcasses are degraded, the animal carcasses can be pre-crushed, the animal carcasses are crushed into small fragments and then are stirred and decomposed, so that the decomposition efficiency is improved, meanwhile, the situation of overweight load is avoided, the pre-crushed animal carcasses are relatively small, more animal carcasses can be accommodated in the equipment, extra decomposition is not needed, the operation process and the operation time are reduced, the operation cost is reduced, and the competitiveness is improved; and meanwhile, heating and air pumping are adopted for assistance, so that the degradation efficiency can be greatly improved.

The invention provides a steel flush device and a steel flush system, and relates to the field of metallurgical equipment. The steel flush device comprises a guide rail, a push rod, a transmission component and a stopper, wherein the push rod is slidably matched with the guide rail, and a push plate for striking the head of the steel is arranged on the first end of the push rod; the transmission component is used for switching the rotary motion into linear motion, and the transmission component is connected to a second end of the push rod to drive a push plate to reciprocate along the guide rail; and the stopper defines a first end of the push rod to be matched with the guide rail. The steel flush device is used for head alignment and is easy to operate and convenient to maintain; comparedwith a flush way of movably impacting a fixed push plate by a roller way of existing steel, a situation that the load of the roller way is too heavy is effectively avoided, and the motor tripping orburnout probability of a driving roller way is reduced.

The invention discloses a user demand side power distribution network planning method based on multi-load optimal configuration, and the method comprises the steps: obtaining the historical capacity record of each enterprise user in each manufacturing type industry in an industrial production area, and obtaining the average daily capacity power consumption of each enterprise user in each manufacturing type industry; the estimated daily average calling electric quantity of the industrial production area power distribution network is analyzed, and the corresponding estimated electric quantity calling is performed, so that the power supply efficiency of the power distribution network in the smart power grid is improved, and the safe and reliable operation of the power distribution network in the smart power grid is ensured; meanwhile, corresponding planning and processing measures are taken according to the electric energy quality of each enterprise user power distribution branch in each manufacturing type industry in the industrial production area, so that the production continuity and efficiency of the enterprise users are improved, and the production cost of the enterprise users is reduced; and the actual power consumption of each enterprise user for producing a single product in each manufacturing type industry is obtained, so that the power management accuracy of the smart power grid is improved.

The invention provides an intelligent detection and early warning device for elevator overload, and relates to the technical field of elevator overload alarm. Two inclined supporting frames are symmetrically arranged at the rear end of the top of the base, a total detection seat is fixedly connected to the interior of the front end of the base, a weighing detector is arranged in the total detection seat, a lifting frame is placed in the middle of the top of the total detection seat and is a rectangular frame, and a penetrating groove is formed in the middle of the front end of the lifting frame. When goods exist on the conveying piece, the weight of the goods on the conveying piece is weighed through a weighing detector arranged in the auxiliary detection seat, and the weight information of the goods above the conveying piece is transmitted to the position of a display screen of the display stand through the weighing detector arranged in the auxiliary detection seat. The problems that when goods are transferred through a goods elevator, the weight of the goods cannot be accurately calculated, the situation of overload occurs when the goods are transferred through the goods elevator, and the transportation process can be completed only by unloading the goods subsequently are solved.

The invention discloses an automatic water circulation device for an electric boiler. The automatic water circulation device for the electric boiler comprises a housing, and a plurality of sets of heating devices are disposed in the housing. Each heating device comprises a water storing tank disposed in the housing and a return water tank communicating with the water storing tank. The return water tanks communicate with return water pipelines. Water inlets used for water feeding are formed in the water storing tanks. The return water tanks communicate with heating water tanks through short return water pipes, and power devices are disposed inside the heating water tanks. The heating water tanks communicate with water outlet pipes, heating mechanisms are disposed on the water outlet pipes, and the water outlet pipes communicate with water outlet pipelines. A controller is disposed in the housing, connected with temperature sensors disposed on the water outlet pipelines or the return water pipelines and connected with the power devices and the heating devices. The automatic water circulation device for the electric boiler is reasonable in design, low in maintenance rate, capable of saving energy, environmentally friendly, efficient and suitable for being widely popularized and serves as an ideal water supply system.

The invention relates to an optimization control method of a transformer load of a transformer substation automation system, belonging to the technical field of transformer substation automation. The method comprises the steps of: acquiring a load related to running main transformer equipment by carrying out the topology connection analysis on the current transformer substation; if the main transformer equipment overloads, calculating a resectable load of the overloaded main transformer equipment according to a load priority and a locking state and submitting to a scheduling decision through a network; and practically issuing a resection control instruction in case of scheduling approval, or else recalculating a load resecting strategy according to a scheduling instruction result and submitting to the scheduling to be confirmed until the main transformer equipment has no resectable load any more. On a basis of an action strategy of a traditional transformer load optimization device, the invention frees the cost of a hardware device by embedding a software module in a transformer substation comprehensive monitoring system and interacts with a load optimization control strategy at amain station terminal by combining with the current computer communication technologies so as to achieve the aim of optimally controlling the transformer substation load.

The invention discloses a method for measuring true stress of a material and belongs to the technical field of material science. According to the method disclosed by the invention, a Poisson effect and volume expansion of the material in an elastic deformation region are considered; meanwhile, height localization of deformation of the material in a plastic deformation process is considered, and plastic deformation is finished through formation and sliding of a shear zone. Therefore, in a whole deformation process, an effective loading area can be accurately calculated by combining an originalsize of a sample piece, and the true stress on the sample piece can be accurately measured by utilizing a uniaxial loading load-displacement curve; the method has great significance and value in a process of determining basic mechanical property parameters by utilizing uniaxial loading.

The invention discloses a distributed database load leveling method, comprising: counting the load of all servers in the distributed database system and the load ratio of each data slice in each server; n servers are used as high-load servers, and the n servers with lower loads are used as low-load servers; the data slices with the highest load proportion among high-load servers are used as source data slices, and the load proportion of low-load servers is used as source data slices. The data slice that is sorted later is used as the target data slice, and the target data slice is swapped with the source data slice. The invention also discloses a distributed database load leveling device. The invention reduces the load in the high-load server, avoids the situation that the low-load server is overloaded due to the high-load server transferring data slices to the low-load server, and effectively reduces the load of the entire distributed database system.

The invention discloses an assembled cable-stayed cantilever scaffold, and relates to the technical field of scaffolds. The assembled cable-stayed cantilever scaffold specifically comprises a main body structure and a base, wherein a supporting frame is arranged inside the main body structure, a hinge block is installed outside the supporting frame in a hinged mode, a connecting lug plate is arranged outside the tail end of the supporting frame, a fixing plate is installed at one end of the exterior of the connecting lug plate, and extension plates are arranged at the upper end and the lower end of the exterior of the fixing plate. According to the assembled cable-stayed cantilever scaffold, a limiting plate can be moved through the design of a threaded rod, the fastening positions between the connecting lug plate and the fixing plate are reinforced again from the upper direction and the lower direction, then a cover plate can be rotated through the design of movable sleeve pieces synchronously, the cover plate can be clamped outside the connecting position of the connecting lug plate and the fixing plate so as to play a protection role, the limiting plate can be extruded when the connecting lug plate is stressed and deformed, the limiting plate and the threaded rod can generate displacement, and visual judgment can be made by referring to scale marks outside the threaded rod.