81results about How to "Reduce frequent switching" patented technology

The invention relates to the software application field, and specifically relates to a file transfer display control method and apparatus, and a corresponding terminal. The method comprises the steps of executing a file transfer task by an application; obtaining transfer progress information of the file transfer task; and overlaying a floating window assembly at the top layer of a preset display interface of the application, and displaying the transfer progress information in the floating window assembly. Through overlaying the floating window assembly at the top layer of the preset display interface of the application and displaying the transfer progress information in the floating window assembly, preposition of the transfer progress information of the file transfer task is achieved, so that a user can conveniently check the file transfer progress in the preset display interface of application in real time. In addition, the floating window assembly is overlaid at the top layer of the preset display interface in an independent manner without influencing the user to operate the browsed preset display interface at present, frequent switching of application pages is prevented, consumption of terminal resources is reduced, and user time is saved.

The invention discloses a reliable method for controlling a panel to autonomously track the sun. To meet the energy requirement of a satellite, the solar panel having a one-dimension rotation function is installed on the satellite, and the normal of the panel is made to point to the sun through controlling the rotation of the panel and the attitude of the satellite. According to the invention, no sun sensor is required to be installed on the panel, the information of the solar vector and the current attitude of the satellite are neither needed to be detected by an on-satellite sensor, the rotation target angle of the panel is calculated only according to a sun model and the satellite orbit, then different control areas are set through designing reasonable angle thresholds, the panel is controlled to work at different modes according to the division of the control areas, the switching frequency of the panel among different modes can be lowered through choosing reasonable thresholds, and thus the situation that the panel frequently stops and rotates to disturb the satellite attitude and influence the working life of a motor is avoided. The method for controlling the solar panel to autonomously track the sun is simple and effective, low in implementation cost, and convenient for engineering implementation.

The invention provides an instant messaging system and an instant messaging method supporting user identity association of multiple applications. The instant messaging system comprises an instant messaging system client, an instant messaging system server and an instant messaging system database. According to the instant messaging system and the instant messaging method, through docking of Internet third-party open platforms, user identity association and authentication and authorization are established to obtain user information and application content of the user in the Internet third-party open platforms, and message intercommunication and uniform interface access of the multiple applications are implemented, the inconvenience caused by cross-system login and window switching is reduced, and the usability of instant messaging software is greatly improved.

A mobile terminal and its receiving short message method are disclosed in the present invention, so as to resolve the problem of a mobile terminal arranged with instant communication software can not receive short message by the instant message receiving window in prior art. The mobile terminal comprises a short message receiving and sending module, an instant communication module and a judgment module, the method comprises steps: the mobile terminal receives the short message of appointing itself as receiver; the mobile terminal judging whether itself instant communication module is started or not, if it is started, then the short message displays in the message receiving window of the instant communication module. The present invention implements when using the mobile terminal, receiving the short message by the message receiving interface of the instant communication software, thereby can dispense with switching frequently between the instant communication operation interface and the short message operation interface.

The invention discloses a mobile robustness optimization method and device based on mobile state information and adjacent region proximity and belongs to the technical field of wireless communication. In the method, a micro base station controller estimates real-time mobile state information of mobile UE according to cyclic measuring reports obtained from the mobile UE; then the mobile UE is subjected to switching control according to an adjacent region deploying environment, and frequent switching between a macrocell and a microcell of the mobile UE is avoided; and finally, during a switching process, switching preparing operation to a preparing target cell is brought forward, and according to the moving speed of the mobile UE and the PDCCH interruption point of the service microcell, the switching condition for avoiding ping-pong switching is computed. Compared with the prior art, the prediction success rate of the preparing target cell is improved, frequency spectrum resource using rate is improved, frequent switching between the macrocell and the microcell of the mobile UE is lowered, then network signaling expenditure is reduced, SToS rate is not increased, meanwhile, the switching success rate of the mobile UE can be improved, and then user experience is improved.

The embodiment of the invention provides a cell reselection method and a mobile terminal. The cell reselection method includes the steps that in the cell reselection process, if it is determined that a current serving cell is a high-quality cell, a user selects to stay in the serving cell continuously, wherein the high-quality cell is a cell which meets judgment rules for being promoted to be a high-quality cell. According to the cell reselection method and the mobile terminal, cells which meet the judgment rules for being promoted to be high-quality cells are managed as high-quality cells; in the cell reselection process, if the situation that the current serving cell belongs to the high-quality cell occurs, through the processing mode that the user selects to stay in the current serving cell, frequent switching between the cells is reduced, the business service quality is improved, and the power consumption of the mobile terminal is reduced.

The invention discloses a method for preprocessing coal tar. The method comprises the following steps of: mixing the coal tar and an extractant A in a mass ratio of 1:0.5-1:4, heating the mixture to the temperature of between 50 and 150 DEG C, and performing continuous centrifugal separation on the obtained mixed solution in a sedimentation type centrifuge to obtain soluble matters and impurity-containing extraction insoluble matters. The method has the advantages of good impurity-removing effect, high utilization ratio of the coal tar (over 96 percent), simple process, high automaticity, andlow labor intensity, and suitability for large-scale preprocessing of the coal tar and comprehensive utilization and deep processing of full-cut coal tar which is the byproduct in industries such as coal chemical industry, coal gasification industry and the like..

The embodiment of the invention discloses a card swiping method and device, an electronic device and a medium. The method comprises: under the condition that a near field communication (NFC) functionis called, information of a first scene where the electronic device is located is acquired through electromagnetic wave detection operation of radar; and under the condition that the first scene information is matched with the target scene model, performing data exchange with the card swiping machine through the NFC card corresponding to the target scene model. By utilizing the embodiment of the invention, the NFC card conforming to the current scene can be automatically determined, so that the operation of frequently switching the NFC card by a user due to different use scenes is reduced, andthe convenience of swiping the card by the user by using the NFC function is improved.

The invention discloses an SDN (Software Defined Network)-based space-ground integrated adaptive dynamic QoS (Quality of Service) routing method. The method comprises the following steps of: establishing an SDN-based hierarchical clustering network model; establishing network resource mapping; and establishing a multi-constraint QOS adaptive routing algorithm SDN-AD. According to the method, the control overhead can be effectively reduced by reducing long-distance transmission and shortest distance clustering of the control packet, and the transmission efficiency is improved. According to the method, the multi-constraint QoS problem is formulated into the optimization problem with the minimum transmission cost as the target, the transmission cost of links of different types can be effectively calculated, and the difference between satellites of different levels and a ground network is shielded. The method can better adapt to network changes, so that services meeting different service quality requirements are provided. According to the invention, the optimization problem is solved, and self-adaptive routing is realized. The method provided by the invention has better performance in the aspects of overhead control, network service quality and algorithm convergence speed.

The embodiment of the invention discloses a method and a device for time slot allocation. The method comprises the following steps: ensuring one radio link from a source node to a target node as a radio link for sending data preferably according to network topology information and time slot requirement information and allocating time slot to the radio link for sending data preferably, wherein in the step of allocating time slot to the radio link for sending data preferably comprises the specific steps: allocating continuous time slot for the source node or a middle node between the source node and the target node to ensure that the source node or the middle node between the source node and the target node can send data to the next node continuously. By adopting the time slot allocation method of the embodiment of the invention, frequent switching in the data transmitting process is reduced, bandwidth resources are saved, and space reusability is improved.

The present invention is mainly applied to the technical field of power electronics, and aims to provide a control method for capacitor voltage optimization and equalization of a modular multilevel converter submodule. The control method realizes balance control of capacitor voltage of a modular multilevel converter submodule by selecting different optimization algorithms, and mainly comprises thefollowing steps: calculating the number of submodules to be inputted based on a recent level approximation modulation strategy; sorting the submodules on each bridge arm of an MMC system according toa size from large to small; judging the calculated number N of the submodules and the currently inputted submodules n, and selecting different submodule switching modes under different conditions; and finding a submodule with the largest capacitor voltage and a submodule with the smallest capacitor voltage on the current bridge arm, comparing a difference between the submodules, and then selecting different optimization algorithms for switching the submodules. Based on an MMC technology of the present invention, on the premise of controlling the balance of the capacitor voltage of the submodules, the control method can also ensure that the system has a lower switching frequency, and reduces the loss of a power converter in the MMC system.

The invention provides a method for controlling model prediction current of a low-loss voltage source inverter. The method comprises the steps of: sampling load current of the inverter at k time and converting the load current into a current component in an alpha beta coordinate system by clake; acquiring 8 voltage vectors according to a switch status of the inverter; converting the voltage vectors corresponding to different switch statuses into the voltage components in the alpha beta coordinate system; predicting a current value at k+1 time according to the current component and the voltagecomponents; putting the current value into a first target function to calculate; combining each one zero vector with each one nonzero vector randomly from 8 voltage vectors; calculating the action time of each voltage vector combination; calculating a second target function to determine two groups of optimal combinations; and selecting one voltage vector combination to act on the inverter according to the three-phase load current. By adoption of the method provided by the invention, two vectors are used in each control period, so as to reduce the harmonic wave of the current; and, the method can be applied to the high-power photovoltaic grid-connected inverter or the motor drive controller, so as to reduce the system loss.

The invention discloses a gear locking control method for an automobile automatic transmission. The problem that a transmission gear cannot be fixed in a suitable driving gear except the 1 gear under the special working condition is solved. When the special working condition is met, the gear can be locked in the current driving gear, and the gear is not switched along with change of the automobile speed and throttle opening till the engine limit working status or driver intervention gear shifting occur. The dangerous phenomena of failure of gear putting, automobile sliding and the like caused by gear shifting which are encountered in a rampway are effectively avoided; frequent gear shifting is reduced, abrasion of gear shifting execution mechanisms such ad a clutch, a synchronizer and a brake is reduced, and the service life of the transmission is prolonged; and meanwhile a sensor used for identifying the road condition in the prior art is omitted, and a gear locking button low in price and simple in control is used, so that the work burden of a control unit is relieved, and the cost is reduced.

This invention discloses a method of switching and coupling in wireless local area network, characterized in that when the station port and the switch-in port are connecting or have been connected according to the present wireless local area network agreement, it can operate different switch and coupling process through the indicating massage, making the switching target of the station port in ESS network sharp with high efficiency; the passive switching process in ESS network does not need the engagement of the user, but can guide the user connecting to other advised switch-in port, by which it can increase the quality of switch-in and decrease the frequent switch-in.

The invention provides a control method for a main circulating pump of a water-cooling system. The control method includes following steps: real-time monitoring for the power supply voltage of the main circulating pump is additionally provided in a water-cooling main circulating pump control protection system, and when an operation data acquisition module of the water-cooling system monitors fault signals such as low main circulating flow of the water-cooling system or low inlet-valve pressure of the water-cooling system, and overcurrent of the main pump, and the fault reason of the main circulating pump can be rapidly determined via the power supply voltage. The operation state of the main circulating pump can maintain unchanged in the condition of instantaneous power failure, the influence on stable operation of the whole water-cooling system by frequent switching of the main circulating pump is reduced, and the water-cooling system can rapidly emit a request outage signal for the faults of the main circulating pump caused by abnormal power supply of the main circulating pump. According to the control method, the operation reliability of the main circulating pump of the water-cooling system is improved, the possibility of frequent switching of the main circulating pump due to the interference of the power supply voltage is reduced, rapid response can be made for the condition of abnormal power supply, and the operation stability of the water-cooling system is effectively improved.

The invention discloses a mobile terminal and a charge control method thereof. The charge control method comprises the following steps: A, when it is detected that the mobile terminal is connected with a charging device, obtaining the maximum charge currents of the charging device; B, starting charging, and determining whether the charge and discharge switching frequency of a battery within a first fixed timed period is greater than first preset frequency: in case of yes, executing step C, and otherwise repeating step B; C, stopping charging, and determining whether the frequency that the discharge current of the battery is greater than the maximum charge currents is greater than second preset frequency: in case of yes, repeating step C, and other wise, executing step D; and D, determining whether the battery is fully charged: in case of yes, ending charging, and otherwise, returning to the step B, such that frequent charge and discharge switching can be reduced, the battery is well protected, and the service life of the battery is also prolonged.

The embodiment of the invention discloses a data processing method and device in a multi-thread environment, relates to the technical field of big data, and can improve the utilization rate of threadresources and reduce the situations of low load and idle threads. The method comprises the steps that the number of requested lines and the size of sub-packets are acquired, the number of threads is determined by means of the number of requested lines and the size of the sub-packets, the number of requested lines represents the total number of data lines in requested data, and the size of the sub-packets represents the maximum number of request lines processed by each thread; the request data is grouped to obtain at least two task groups; and thread resources are allocated to each task group according to the determined thread number. The method and the device are suitable for processing mass requests in a multi-thread environment.

The embodiments of the present invention provide a cloud service-based network search method, a terminal and a cloud server. The method includes following steps that: a terminal determines the currentlocation information of the terminal itself; the terminal sends a first request to the cloud server, wherein the first response is used for acquiring first network information corresponding to the current location information; the terminal receives a first response sent by the cloud server, wherein the first response contains the first network information; and the terminal judges whether the terminal itself is to be registered into a first network corresponding to the first network information according to second network information which the terminal has registered and the first network information; if the terminal is to be registered into the first network, the terminal initiates registration for the first network.

The invention relates to a device and method for graphite electric hot plate temperature control. A master controller module is respectively connected with a temperature collecting module, a temperature control module, a key module, a display module, a warning module and a power module. The power module is further connected with the temperature collecting module, the temperature control module, the key module, the display module and the warning module. The temperature collecting module comprises an anti-interference auxiliary circuit which offers stable supply voltage and reference voltage to a temperature measuring signal adjusting amplifying chip. Two power sources are designed for the power module and the power module offers power to the temperature control module and other modules. On the basis of the PWM technology, the sectional type digital PID algorithm and the integral saturation resistant PID algorithm are adopted so that the temperature control over a graphite electric hot plate can be achieved; a relay is prevented from being frequently turned on and turned off according to the sectional type digital PID algorithm, so that the service life of the relay is prolonged; damage caused by integral saturation is overcome through the integral saturation resistant PID algorithm, so that the temperature control balance time is shortened.

Provided are a hyper-cellular communication system and a hyper-cellular communication method for associating a user to a macro cell base station or a micro cell base station. The hyper-cellular communication system includes: a gateway, which includes a user quality of service classification index table including two parameters, namely user mobility and signaling overhead; and a resource optimization function unit for making decisions on base station association and wireless resource allocation by referring to the quality of service classification index table.

The invention provides an animal behavior based multi-signal cross-area intelligent switching method and device and relates to intelligent switching among wireless area positioning, accurate GPS (global positioning system) system and base station positioning between a signal coverage area and a safety area, in particular to animal behavior based multi-signal cross-area intelligent switching so as to solve the problem that an existing positioning system carrier moves by crossing areas in high frequency to cause passive frequent switching of positioning signals and to avoid severe results that excessive consumption in electric quantity of a positioning device and hardware devices are aged in advance due to frequent switching of signals. The animal behavior based multi-signal intelligent switching method includes steps of 1, setting an overlapping area of the signal area and the safety area; 2, building a model for signal switching behaviors; 3, selecting basal ganglion channel model and parameters: selecting proper parameters to complete the basal ganglion channel model according to characteristics of positioning signals and the safety area and preferences of customers. The animal behavior based multi-signal cross area intelligent switching method and device are used for intelligent switching among the wireless area positioning, the accurate GPS positioning and base station positioning.

The invention discloses an internet port test method and test system for a sending card, and the method comprises the steps that: the sending card enters an internet port test mode after the sending card is powered on and started, and determines a to-be-tested internet port serving as a sending signal internet port from all to-be-tested internet ports; the sending card sends the generated test signal data to a receiving signal network port correspondingly connected with a network cable through each sending signal network port, and receives feedback data returned through each receiving signal network port; and the sending card compares each feedback data with the corresponding test signal data, and determines a test result of each to-be-tested network port according to a comparison result.By means of the method, spontaneous testing of the to-be-tested internet port on the sending card is achieved, frequent switching of network cable connection in the testing process is reduced, meanwhile, the number of receiving cards used in the testing process is reduced, the whole testing process is simple and convenient, and the testing efficiency of the sending card internet port is effectively improved.

The invention discloses a hybrid networking method for pRRUs between an eCPRI protocol and a CPRI protocol in a 5G system, in a hardware system, the pRRUs simultaneously have two sets of clock systemsrequired by two data communication interface protocols of eCPRI and CPRI, two groups of SFP photoelectric conversion modules on the pRRUs are respectively SFP0 and SPF1, and two mutually independentlogic high-speed serial bus interfaces Serdes of an FPGA; wherein the two protocols are respectively responsible for processing an eCPRI protocol and a CPRI protocol. According to the invention, the interface type of the RRU can be flexibly changed, and the RRU can be conveniently connected with a 5G base station, a pRRU and a CPRI HUB (extension connection equipment of a CPRI interface protocol and equipment capable of extending one CPRI interface into a plurality of CPRI interfaces) equipment. Thus, the 5G sector density is reduced, frequent switching of UE equipment is reduced, the networkoptimization difficulty is reduced, and the network comprehensive construction cost is reduced.

The invention discloses a firewall system of a user mode pipeline architecture. A control plane is responsible for management and control functions of the system and redirects a message sent from a management port to a kernel protocol stack; a data plane is responsible for main service functions, works in a user mode and can bypass a complex Linux kernel protocol stack to directly obtain messagesfrom a network card. The data plane decomposes firewall function software into a plurality of function modules, each function module is bound to an independent CPU core, one CPU core serves as a maincore and is responsible for receiving messages, data packet receiving and sending are achieved in a polling mode, and an assembly line framework is formed. The firewall system belongs to a software architecture which bypasses a system kernel and is suitable for a firewall function, a network card driver is usually realized in the kernel, the firewall system is realized again in a user mode, the system directly acquires a message from the network card, and the problem of low processing efficiency caused by a traditional firewall Linux kernel is effectively solved.

The invention belongs to the technical field of wireless communications, and specifically relates to a cell handover decision method for a millimeter wave cellular system. The cell handover decision method optimizes a cell handover decision, including filtering by using multiple filters, increasing the stability of measured handover parameters, and reducing the frequent handover caused by the rapid change of measurement signals, thereby changing the user experience of a mobile user in high and low frequency hybrid networking. In the optimization of a decision algorithm, the trigger time of handover is changed, so that the mobile user can perform handover in time when cell handover is needed, and transmit with a millimeter-wave base station with better channel information, thereby improvingthe transmission speed and enhancing user experience. In addition, the handover decision based on location awareness is added, so that the probability of switching the user to a correct cell is increased, thus the frequent cell handover is reduced.

The embodiment of the invention discloses a method, a system and a device for realizing dual mode dual standby by using a dual-mode single-standby terminal. The method comprises the following steps that: after being successfully registered in a first network, a mobile terminal determines the paging time of a paging subchannel on the first network; when the mobile terminal initiates registration to a second network, the second network acquires the paging time of a paging subchannel of the second network which is not conflicted with the paging time of the paging subchannel of the first network; and the mobile terminal receives a paging message at the paging time of the paging subchannel of the first network or the paging time of the paging subchannel of the second network. By the method, the system and the device, the conflict of time positions of the paging time of the paging subchannel in two networks when the two networks are operated is avoided, so that the service separate network operation strategy is implemented.

The disclosure relates to an application data sharing method and device in a split screen mode, a terminal and a storage medium, relates to the field of mobile terminal application and is intended tosolve the problem that data sharing in the split screen mode requires frequent switching of application interfaces and has complex operations. The method comprises: in a split screen mode, upon receipt of a share request of a first application for first data, recording address information of the first data in a preset resource buffer area; after a second application confirms that the address information of the first data is acquired from the resource buffer area, receiving an acquisition request sent by the second application to acquire the first data, wherein the first application and the second application are any two of multiple applications opened in the split screen mode; in response to the acquisition request, sharing the first data to the second application. Shared resources of allrunning applications can be stored and distributed in the split screen mode through a uniform buffer area, frequent switching of application interfaces is avoided, and the data sharing process is simplified.

Provided is a data multi-level caching and high-speed transmission recording method based on MQ and asynchronous IO, multi-level caching technology and ZeroMQ technology are utilized, high-speed stable network transmission can be achieved, and network bandwidth resources are utilized to the maximum extent on the transmission level. On the data recording level, on one hand, asynchronous file writing is carried out through asynchronous IO, frequent switching between a user mode (User Mode) and a kernel mode (Kernel Mode) of a CPU is reduced, and the data writing speed is increased; and on the other hand, by sharing data receiving and asynchronous IO data caching, memory copying in the processing process is reduced, cache consumption is reduced, and data writing speed is increased. Through optimization and improvement of a transmission layer and a data recording layer, the overall transmission recording speed and stability of the system are improved.

The invention discloses a T-shaped vacuum induction smelting and casting furnace. The furnace comprises a vacuum smelting chamber, a smelting furnace arranged inside the vacuum smelting chamber and vacuum valves connected with the vacuum smelting chamber through pipelines, wherein the top of the vacuum smelting chamber is provided with a movable furnace cover, the vacuum smelting chamber is provided with two outlets, and the two outlets are respectively provided with a mold inlet chamber and a mold outlet chamber. The T-shaped vacuum induction smelting and casting furnace further comprises a flow groove chamber and a side feeding chamber, wherein the flow groove chamber is arranged outside the vacuum smelting chamber and communicates with the vacuum smelting chamber for guiding molten steel in the smelting furnace into an ingot mold; and the side feeding chamber is arranged outside the vacuum smelting furnace and communicates with the vacuum smelting chamber for feeding the smelting furnace. By arranging the mold inlet chamber and the mold outlet chamber, the time influence of casting circulation and frequent switching of the vacuum degree are greatly reduced, a large amount of energy consumption is saved, streamlined casting production can be realized, and the casting efficiency of castings is improved.