90results about How to "Implement flow control" patented technology

The invention discloses a traffic flow control method of a switch service flow, comprising: monitoring the instant value of the total flow of the service flow at the outlet port of the switch; judging whether the total flow of the service flow is congested according to the instant value of the total flow of the service flow; The judgment result adjusts the flow rate limit value of the service flow at the ingress port of the switch according to the weight ratio of the service flow, so as to realize flow control on the service flow. The invention also discloses a flow control device for exchange service flow. By applying the present invention, when the flow rate of the high-priority service flow is low, the flow rate limit value of each service flow at the ingress port of the switch can be dynamically adjusted, and the remaining bandwidth of the high-priority service flow can be used to provide additional bandwidth for other service flows. Bandwidth, which effectively utilizes the bandwidth resources in the switch; and because the flow of each service flow is limited at the ingress port, the forwarding channel when forwarding across chips and the backplane bandwidth when forwarding across service boards are saved.

The invention relates to an indoor rock mechanics testing device, in particular to a rock hollow cylinder torsion shear apparatus capable of realizing complex stress path, and belongs to the technical field of geotechnical engineering techniques. The torsion shear apparatus comprises a base, a sleeve, a lower pressure head, an upper pressure head, a piston, an upper seat, a head cover, a connecting rod and a torsion device. The rock hollow cylinder torsion shear apparatus disclosed by the invention has the advantages that the puzzle that the stress path of the rock indoor testing device is single is solved; axial force, inner confining pressure, outer confining pressure and torque can be loaded on a rock sample separately or together; the defect that the four external forces interfere with one another during loading is overcome; the magnitude variation of principal stress or the rotating stress path of the principal axis of stress can be simulated; the rock hollow cylinder torsion shear apparatus is reasonable in structure, easy to manufacture, easy to operate, accurate in measuring system and high in automation degree and can be used for indoor tests of rock complex loading paths.

A fluid control system with easy installation in a semiconductor production system etc. and pipe and wiring connections, with reduced pressure loss due to pipe connections, with easy change of arrangement of modules, free from corrosion even using a corrosive fluid for the fluid, and enabling control of the flow rate even with pulsation of the inflowing fluid is provided. The fluid control system of the present invention is characterized by having a flowmeter sensor part having an ultrasonic oscillator generating an ultrasonic wave in a fluid and an ultrasonic oscillator receiving the ultrasonic wave generated from the ultrasonic oscillator and outputting a signal to a flowmeter amplifier and a control valve controlling the state of flow of fluid to a predetermined state by a working pressure, wherein the flowmeter sensor part and the control valve are arranged inside a casing having a fluid inlet and a fluid outlet.

When available number of token is less than number of token needed to carry out forwarding process of data to be treated. Based on whether the data to be treated are a data packet in high priority, the relevant process is carried out; if yes, the forwarding process is carried out, and adding a negative value of number of token to the token bucket; otherwise, the data packet to be treated is discarded. Basic algorithm of dual leaking bucket is adopted in the invention, but only one token bucket is in use for implementing flow control. Thus, based on message created from access user, CAR in different priorities is carried out in order to implement flow control for access user so as to guarantee lowered complete performance of network access device is minimal.

The invention relates to a control system of Ethernet and data report transmission method. Wherein, it is characterized in that: the control system according to the control protocol of two layers of Ethernet obtains the chain information of Ethernet; according to the chain information, building and maintain the network topology of Ethernet, the control system according to the connection built by said network topology requests to calculate the route between the terminal bridges, and transfer the path information according to the route setting; each network bridge data system according to the transfer path information to transfer the data report. The invention can realize the management of transmitted data in the Ethernet, to control the data flux, without changing the packing structure of Ethernet data plane, and without lower cost.

The invention discloses an electrically operated valve, aiming at the problems that the elasticity of a stopping part for preventing a coil from being loosened corresponding to a valve body is low in the prior art; the technical proposal of the invention comprises a valve seat, a valve needle, the stopping part and a stepping motor which is composed of a rotor and a stator for driving the valve needle and the valve seat to joint or detach; the stopping part is fixedly connected with a stator coil box, and internally concave bending parts which are opposite are additionally arranged above externally convex bending parts on two arm parts extended downwards thereof respectively. As the two arm parts of the stopping part are respectively provided with two bending parts, higher elasticity is obtained under the condition of same deformation, the fixation is reliable and the working noise is low; the valve has the advantages of compact structure and good assembling operability; moreover, the vibration reduction is greatly improved for obtaining accurate flow control; therefore, the valve is particularly suitable for refrigerators, air conditioning refrigerating units, water heaters and dehumidifiers, thus realizing defrosting, the flow control and on-off control and the like of a heating system.

The present invention provides a hydraulic control device of an automatic transmission, and belongs to the technical field of automotive transmission control. The hydraulic control device solves the problems that the conventional hydraulic control device of the transmission has low efficiency, and the oil pump flow is surplus when the rotating speed of the motor is high. The hydraulic control device of the automatic transmission comprises an electronic control system and a hydraulic source connected with the transmission through an oil line, wherein the hydraulic source is used for outputting working oil pressure; the oil line connecting the hydraulic source with the transmission is provided with a manual valve and an electromagnetic valve component in sequence; the electronic control system is connected with the electromagnetic valve component and is used for controlling the switching-on and switching-off of the electromagnetic valve component; the hydraulic source comprises an oil tank, and two or more hydraulic pumps; and an oil inlet of each hydraulic pump is connected with the oil tank, while an oil outlet is communicated with an input port of the manual valve. When the rotating speed of the motor is low, an oil pump and an electric pump can be selected to simultaneously supply oil so as to reduce energy consumption; and when the rotating speed of the motor is high, the electric pump is stopped, and the oil pump separately supplies the oil.

The invention relates to the field of computer network security, in particular to a multi-core intelligent network card platform-based ultrahigh-bandwidth network security audit method. The method is characterized in that the method includes the following steps that: a multi-core intelligent network card platform is configured; raw messages are received and processed by the multi-core intelligent network card platform; the deep inspection and audit of application data are carried out; and subsequent processing is carried out after audit. Adopting the multi-core intelligent network card platform, the method provides an effective acceleration scheme for a variety of fields, such as network security, flow monitoring, service analysis and signaling test, and can be applied in 100G ultrahigh bandwidth; meanwhile, the mode of shunting the service process is adopted, the application strategy is secure and highly reliable, the deep inspection technology is adopted as well, and thereby the method realizes the functional requirements of network application level security audit, flow control, enterprise level application security policy implementation and the like.

The invention discloses a method and device for achieving multistage message editing service control on the basis of a logic port. When a message reenters a chip to be subjected to loopback treatment, service identification is performed by carrying a chip internal logic port, namely the messages is forwarded from a chip physical entry to the internal logic port by means of lookup. The number of the logic port is carried when the loopback is performed and the message participates in lookup control by means of the logic port when loopback forwarding is carried out. The method and the device can be used for mutual forwarding of MPLS and VPN, the processing of IP tunnel, NVGRE, VXLAN messages, achieve access control, flow control, and forwarding requirements in a service level so as to flexibly control a network behavior and simplifies the implement of the multistage message editing of the message in a communication system.

The invention discloses a token passing method for families. Identification data (ID) information which is distributed to slave nodes by host nodes is extracted from slave node ID distributing frames, highest priority-first queues are scanned by the host nodes, whether valid data existing in the queues which is scanned is judged, if the valid data exist, downlink data frames are sent by the host nodes; if the valid data do not exist, uplink data transmission of the host nodes is achieved; and after all the priority-first queues are scanned, a new round of scanning from the highest priority-first queues is carried out again. According to the token passing method for the families, the host nodes are used for controlling ID dividing of the slave nodes, transmission of the uplink data and the downlink data is carried out according to ID of the slave codes and priority of the slave nodes, accordingly connection of six services and 64 family service terminals can be achieved, and classification of quality of service (QoS) and flow control can be achieved.

The invention discloses a melt flow control device for melt coating additive manufacturing. The melt flow control device comprises a crucible smelting unit, a dynamic gap control unit, a pneumatic control unit and a control system, wherein the dynamic gap control unit is connected with the crucible smelting unit through a control rod; the pneumatic control unit is hermitically connected with the crucible smelting unit through a pipeline; and the control system realizes data feedback and control for the crucible smelting unit, the dynamic gap control unit and the pneumatic control unit. The melt flow control device can control the magnitude of the flow in the whole melt coating forming process of a metal member, to fulfill the aim of additive manufacturing of an efficient, high-quality and low-cost metal material part.

The invention is applied to the technical field of flow control, and provides a method and device for limiting the speed of data flow. The method for limiting the speed of data flow comprises the steps that speed limiting type information for limiting the speed of the data flow is received, wherein a speed limiting type comprises a broadcasting speed limiting type or a multicast speed limiting type or a unicast speed limiting type; the current data package corresponding to the speed limiting type is matched, and the package length of the current data package is obtained; the time difference between the current moment and the last recording moment is calculated, the last recording moment is the starting moment of the current time quantum, and the duration of the current time quantum is assigned time; if the time difference is smaller than the assigned time, and the package length of the current data package is larger than the current data size allowed to pass through, the current data package is discarded. According to the method and device for limiting the speed of the data flow, the mode of carrying out speed limiting on the data flow without being based on the queue is achieved, the achieving difficulty for traditional speed limiting on the data flow is lowered greatly.

The invention relates to an injector used for a double-component attitude control thruster and belongs to the technical field of spacecraft propulsion. The injector is used for the double-component attitude control thruster used for a spacecraft, wherein the thruster is high in performance and long in service life, and the injector is especially suitable for being used for the spacecraft attitude control double-component thruster. A connection mouth, a connection plate, an intermediate connection pipe and an inner nozzle in the injector form a combustion gas path propellant channel, and flow control and atomization on combustion gas path propellant are achieved through control over the structure of spiral channels; the connection mouth, the connection plate, the connection pipe, the inner nozzle and an outer nozzle form an oxygen path propellant channel, and flow control and atomization on oxygen path propellant are achieved through control over the structure of spiral channels.

The invention discloses a control method of a spray coating robot. According to the method, spray coating flow rate calculation is performed before fixed mold spray coating and movable mold spray coating, so that the spray coating flow rate can be regulated for meeting the mold temperature requirements. The method has the advantages that the automatic and manual switching operation can be performed, and the design is reasonable.

The invention provides a tunnel server and a client device. The tunnel server processes a tunnel building request sent by a first monitor node, allocates a virtual internet protocol (IP) to the first monitor node, confirms an access request of a second monitor node sent by the first monitor node, locally builds a tunnel forwarding table item which corresponds to an access and comprises a real IP of the first monitor node, the virtual IP of the first monitor node, an IP of the second monitor node and an identification corresponding to the access, repeatedly packaging an IP head which is sent by the first monitor node and accesses a message of the second monitor node according to the tunnel forwarding table item corresponding to the access, and sending the packaged IP head to the second monitor node, wherein the packaged IP head comprises the first monitor node virtual IP serving as a source IP and the second monitor node IP serving as a purpose IP address. The tunnel server and the client device achieve flow control and network safety of front end equipment in a monitor network with network address translation (NAT).

The embodiment of the invention relates to the technical field of networks, and discloses a data request processing method, a server and a switch. The data request processing method comprises: when adata request is received, domain name information of a domain name contained in the data request is acquired; obtaining priority configuration corresponding to the domain name information; and addingthe priority configuration into the response content corresponding to the data request, and sending the response content containing the priority configuration to a switch of a server, so that the switch forwards the response content according to the priority configuration. According to the method and the device, the response content corresponding to the high-priority data request can be preferentially forwarded when the flow is congested, so that the flow of the high-priority data request is guaranteed, and the flow of the high-priority data request is prevented from being discarded.

The invention provides a resource allocation control method, device and system, wherein the method comprises the steps that: a primary base station obtains indication information used for indicating transmitted buffer data; the primary base station obtains the resource state indication information of the primary base station and the resource state indication information of a secondary base station; according to the resource state indication information of the primary base station and the resource state indication information of the secondary base station, the primary base station determines a first physical resource used for processing the buffer data in the primary base station, and a second physical resource used for processing the buffer data in the secondary base station; the primary base station notifies the secondary base station to reserve the second physical resource; therefore, the secondary base station sends a second scheduling command corresponding to the second physical resource to a terminal; and the primary base station sends a first scheduling command corresponding to the first physical resource to the terminal. By means of the resource allocation control method, device and system provided by the invention, the problem that the resource utilization rate is relatively low due to the fact that carrier aggregation is carried out between cells in the related technology can be solved; and thus, the resource utilization rate when carrier aggregation is carried out between the cells is increased.

The invention discloses a flow management system, a flow threshold calculation method and an air conditioning system. The flow threshold calculation method of the data transmission module comprises the following steps: respectively carrying out numerical classification on parameters related to transmission; assigning a corresponding weight value to a corresponding parameter of each data transmission module according to the numerical classification result; adding the weight values of all the parameters of each data transmission module to obtain the weight of each data transmission module; and determining a flow threshold of each data transmission module according to the weight of each data transmission module. According to the method, the weight of each data transmission module is calculated based on multiple dimensions, so that the flow threshold is reasonably distributed to each data transmission module, the cost can be effectively controlled, and effective information is obtained tothe maximum extent.

The invention discloses a flow control method of a virtual machine and a physical machine. The method comprises the following steps of obtaining the number of interrupt signals which are sent to the virtual machine within the preset time bucket when a first interrupt signal needs to be sent to the virtual machine; judging whether the number of the interrupt signals which are sent to the virtual machine is smaller than a preset threshold; if the number of the interrupt signals which are sent to the virtual machine is smaller than the preset threshold, sending the first interrupt signal to the virtual machine in order to make the virtual machine respond to the first interrupt signal to receive first data; and if the number of the interrupt signals which are sent to the virtual machine is equal to the preset threshold, storing the first interrupt signal into a waiting queue. The method solves the technical problem that the flow control cannot be carried out on the data received by the virtual machine with an SRIOV (Single Root Input Output Virtualization) physical network card when the data directly enters the virtual machine and is not subjected to virtualization network processing of the physical machine in the prior art.

The invention provides a method and a device for controlling traffic of an encrypted data flow. The method and the device are applied on bandwidth management equipment. The method comprises the steps of extracting the client IP address, the server end IP address and the target port number of an authentication message when the authentication message which carries authentication certificate using body information; inquiring whether the data flow item of the client IP address, the server end IP address and the target port number exists in a data flow table, and if not, creating a corresponding data flow item and adding the created data flow item into the data flow table; and if the encrypted data flow with the data flow item in the data flow table is detected, performing traffic control on the encrypted data flow. The method and the device realize traffic control for the authenticated encrypted data flow through identifying an authentication process.

The invention discloses a method for defending distributed denial of service attack of an industrial network system, and belongs to the technical field of network security defense. According to the method, deep learning and software defined network technologies are fused to construct an industrial network for preventing DDoS attacks. The deep learning technology for attack detection has the characteristics of flexibility and accuracy, and the SDN realizes the overall network management and flow control of the industrial network. According to the invention, a deep learning classification algorithm is constructed based on AC-GAN, the generator can generate data for a specific label, and the discriminator improves the quality of the generated data by reconstructing label information. According to the method, the sensitivity of the model is improved by generating the adversarial attack sample, and the accuracy of detecting the adversarial DDoS attack in the software defined industrial network is improved. According to the method, real-time flow information is extracted and monitored through the SDIN controller, when attack flow is detected, the system can automatically trigger an attack relieving function, add firewall rules and issue abandoned flow table entry strategies, and therefore DDoS attacks are relieved in time.

The invention discloses a hydraulic infinitely-variable speed transmission device which comprises a sliding disc type axial piston pump, a sliding disc type axial piston motor coaxially arranged together with the sliding disc type axial piston pump and an end seat clamped between the sliding disc type axial piston pump and the sliding disc type axial piston motor. The sliding disc type axial piston pump and the sliding disc type axial piston motor each comprises a flow distribution sliding disc pair assembly, the flow distribution sliding disc pair assembly comprises swash discs and sliding discs supported on the swash discs, each sliding disc is of an integrated structure, the swash discs are provided with flow distribution oil grooves and are supported on the common end seat, the end seat is provided with an oil way for communicating the pump and the motor and oil inlet and outlet ports, low-pressure oil forms high-pressure oil through the effect of the sliding disc type axial pistonpump to be input into the sliding disc type axial piston motor through the oil way of the end seat, the low-pressure oil is formed under the action of the motor, and transmission is formed. The hydraulic infinitely-variable speed transmission device improves the working reliability and prolongs the working life.

The invention relates to a controlling method of waypoint flow. The controlling method of the waypoint flow comprises establishing a time slice containing a plurality of time ranges according to a time sequence, initializing the time ranges, enabling each time range to be in an open and free state, setting the pass frequency of a waypoint in different time ranges according to the flow control information of the waypoint, adjusting width of different time ranges according to the passing frequency, and marking the opening-closing state of the time range corresponding to the pass frequency to be a closed state when the passing frequency is zero. The controlling method of the waypoint flow describes and controls the trafficability characteristic of an aircraft of the waypoint at a specific time through the width change, the opening-closing change, and the free-non-free change of the time slice, is suitable for different flight sort algorithms, namely, can carrying out flexible sorting according to the properties of different aircrafts, and is easy to control and high in precision, and therefore the flow control of the waypoint can be effectively achieved, and conflicts are prevented from occurring.

The invention discloses a flow control method, system and device and a readable storage medium, and the method comprises the steps: building a service agent corresponding to an application service after the application service is built in a container cloud platform; acquiring agent configuration information from a container cloud platform control plane; configuring the service agent by using the agent configuration information; and performing flow control on the application service by using the service agent. According to the method, API-level flow control can be automatically added to the application in the container cloud platform, meanwhile, no invasiveness is caused to service codes, and an upper-layer application service does not perceive the flow control. In this way, developers andoperation and maintenance personnel can monitor the specific state of the API of the online application, and flow control over the API can be achieved.

The invention discloses a flow control method and a related device. When a server receives a published message sent by a client, the server queries a window value of a flow control window of the client and compares the window value with a preset window threshold; when the window value is equal to the window threshold, the published message is refused to receive; and when the window value is greater than the window threshold, the window value is decreased by a preset value, and the published message is processed. When the client needs to send a published message to the server, the client queries a window value of a flow control window of the client and compares the window value with a preset window threshold; when the window value is equal to the window threshold, the published message is paused to send to the server; and when the window value is greater than the window threshold, the window value is decreased by a preset value, and a published message is sent to the server. According to the application, the problem that the server cannot process the message sent by the client in time and cannot communicate normally due to the fact that the message sending speed of the client is toohigh when the message is transmitted between the client and the server can be avoided.

The invention discloses an electric valve and a welding process thereof. The electric valve comprises a valve body, a water inlet pipe, a water outlet pipe, a valve neck seat, a mounting flange, a valve deck, an electric opening and closing assembly, a water baffle assembly, a flashboard, a bearing and a connection flange; the water inlet pipe is welded to the outer wall of the bottom end of one side of the valve body in a through mode; and the water outlet pipe is welded to the outer wall of one side, opposite to the water inlet pipe, of the valve body in a through mode. The electric valve achieves vertical movement of the flashboard inside the valve body through arrangement of the electric opening and closing assembly, electric opening and closing and flow control over the valve are achieved, remote control over the valve is achieved through electricity, and the purpose of the valve is wide; through arrangement of the water baffle assembly, atop cover is conical to prevent rain for the valve, rain corrosion on the valve is reduced, and long-time use of the valve is facilitated; according to the welding process of the electric valve, a weld joint welded at the valve neck seat is aU-type groove; and the structure increases the stress of the valve, the welding effect of the valve is improved, and the quality of the valve is improved.

The invention discloses a measurement and control integrated device for irrigation district canal system water metering and a control method. The device comprises a gate, a water level sensor, a flowsensor, an opening sensor, a remote terminal controller, a communication module and a motor are installed on the gate, an output end of the remote terminal controller is connected with an input end ofthe motor, and the remote terminal controller is connected with the water level sensor, the flow sensor, the opening sensor and the communication module separately. According to the device, the structure is simple, convenience is brought to construction, the metering precision is high, the stability is high, irrigation district canal system water can be metered through the water level sensor, theopening sensor and the flow sensor, not only can the cross section of a canal system be measured, but also the measuring error brought by cross section changes of a natural canal can be avoided; flowcontrol, information transmission and other functions can be achieved through the communication module. The device can be widely applied to the irrigation district canal systems.