105 results about "Path switching" patented technology

This suppresses the scattering of foreign matter adhering to the switching mechanism within the device. [Solution] A media transport device 1 comprising a switching unit 100 for switching the transport direction of a medium P in the transport path, and a door unit 17 that can be opened and closed relative to an opening 18, and is displaceable between a closed state that covers the switching unit 100 when closed relative to the opening 18, and an open state that exposes the switching unit 100 when opened relative to the opening 18, wherein the switching unit 100 is displaced to a switching position that switches the transport direction of the medium P when the door unit 17 is in the closed state, and displaced to an open position that opens the transport path when the door unit 17 is in the open state, and a through hole H is formed in the switching unit 100.

A communication method, device and system are applied to a satellite system. The method comprises receiving first information from a network device and sending third information to the network device. The first information comprises information of at least one relay terminal group, the at least one relay terminal group comprises a first relay terminal group, the information of the first relay terminal group comprises at least one of a first network temporary identifier, a first group index, an identifier of at least one first relay terminal or an index of the at least one first relay terminal, the first information is used to indicate that a first remote terminal establishes a connection with the at least one first relay terminal, and the third information is used to indicate that the connection establishment between the at least one first relay terminal and the first remote terminal is completed. Based on the above scheme, the first remote terminal can establish a connection with the at least one relay terminal group, frequent path switching can be avoided, and processing complexity and time delay overhead can be reduced.

A communication control device includes: a prediction unit that predicts a future traffic amount of a communication link; a prediction accuracy calculation unit that calculates prediction accuracy on the basis of the predicted traffic amount in a first period and the actual traffic amount; a threshold value calculation unit that calculates a threshold value on the basis of the prediction accuracy and a transmission ability; a communication terminal number estimation unit that estimates the number of terminals in communication; a transmission duration time calculation unit that calculates a transmission duration time of the traffic per terminal on the basis of the traffic amount in a second period, the number of terminals in communication, an average rate, and a transmission cycle and a transmission interval of traffic; a congestion determination unit that determines whether or not the congestion will occur on the basis of the traffic amount in the second period and the threshold value; and a path switching determination unit that determines whether or not to perform path switching to reduce the traffic amount on the basis of a congestion duration time calculated on the basis of the transmission duration time in a case where it is determined that the congestion will occur, the path switching determination unit providing an instruction to perform the path switching to a transfer device in a case where it is determined to be necessary to perform the path switching.

The application relates to a semiconductor packaging workpiece sorting method, device, equipment and cutting and sorting integrated machine, wherein the semiconductor packaging workpiece sorting method comprises the following steps: recognizing each discrete packaging substructure by using a visual recognition module, judging whether each packaging substructure is a good product device or a defective product device; determining the position information of the good product device and the defective product device on the adsorption workbench according to the corresponding recognition results of each packaging substructure and the corresponding position information of the packaging substructure on the adsorption workbench; driving a sorting arm to transfer the good product device to a good product tray according to the position information of the good product device on the adsorption workbench; and driving the sorting arm to transfer the defective product device to a defective product tray according to the position information of the defective product device on the adsorption workbench. The application can realize the corresponding centralized sorting of the good product device and the defective product, and avoids the problem of frequent path switching of the sorting arm caused by the mixed types of the packaging substructures.

To provide a flow control valve that can suppress the increase in force required to switch the valve state. [Solution] The flow path switching valve 100 comprises a valve body 140 and a main body 120 that houses the valve body. In the flow path switching valve, the valve body is driven by a drive unit to switch between a first state S1 in which the low-pressure port 122c and the first port 122a of the main body are connected by a first flow path R1 and the high-pressure port 122b and the second port 122d of the main body are connected by a second flow path R2, and a second state in which the low-pressure port and the second port are connected by a second flow path and the high-pressure port and the first port are connected by a first flow path. In the flow path switching valve, the main body and the valve body form a second space V21 in the first state and a second space V22 in the second state, and low-pressure refrigerant flows into the second space. The second flow path is located between the second space and the first flow path.

The application provides a NTN satellite communication fast switching method, system, device and medium, comprising: a master cell base station identifies that a terminal supports a protocol extension function, and preconfigures a target cell base station as a secondary cell base station, so that all service bearers of the terminal are transmitted by the master and secondary cell base stations; the master cell base station triggers switching according to a terminal measurement result, and completes switching preparation through interface signaling to make the secondary cell base station preacquire a security key and preconfigure a signaling bearer; the master cell base station sends first reconfiguration signaling to instruct the terminal to migrate the signaling bearer and update the key step by step, and only the signaling bearer takes effect with a new key; the terminal sends reconfiguration completion signaling through the newly established signaling bearer of the secondary cell, and the secondary cell base station receives the reconfiguration completion signaling and executes path switching to upgrade to a new master cell base station. By using the above scheme, the switching time of NTN satellite communication is shortened, the service interruption risk in the switching process is reduced, and the execution efficiency of the switching process is improved.

Various embodiments of the present disclosure provide a method for path switch. The method which may be performed by a terminal device comprises performing transmission with a first node on a first path. In accordance with an exemplary embodiment, the method further comprises switching from the first path to a second path to perform transmission with a second node on the second path. During the switching of the terminal device, one or more pending packets of the terminal device on the first path may be forwarded to the second path. In accordance with an exemplary embodiment, the first node and the second node may be served by a base station. In accordance with another exemplary embodiment, the first node and the second node may be served by different base stations.

This invention provides a work machine that improves convenience. The chainsaw body (10) has a body-side mounting section (12C), on which a body-side terminal unit (40) is provided. The body-side terminal unit (40) is connected to a motor (14) (controller (50)) via a first power path (52) and a second power path (54). A body-side switch (30) is provided in the first power path (52), which, through operation by the operator, switches the first power path (52) to an on or off state. Thus, depending on the mounting components assembled in the body-side mounting section (12C), the first power path (52) or the second power path (54) can be used separately, thereby enabling or disabling the operation of the body-side switch (30) (body-side trigger (28)). As a result, the convenience for the operator is improved.

The application discloses a cambered surface fitting type laser cutting process and device for a wave-shaped metal hyperbolic plate, and the process comprises the following steps: S1, hyperbolic plate parameter acquisition; S2, arc segment segmentation processing; S3, determination of the center coordinates of each segment; S4, initial position adjustment of a laser cutting head; S5, concave arc segment cutting execution; S6, convex arc segment cutting execution; S7, width cycle cutting and path switching. Irregular and difficult-to-control overall wave surfaces of the hyperbolic plate are converted into a plurality of regular and easy-to-position arc units, namely upper arc segments and lower arc segments, and corresponding cutting modes are adopted for the upper arc segments and the lower arc segments, the concave arc segments are rotated around the laser cutting head as the center, the convex arc segments are rotated around the center of the arc segment as the center, the precise adaptation of the cutting posture is realized, the rotation center is flexibly adjusted according to different arc shapes, the laser emission direction or the cutting head feeding track is always fitted to the curved surface, and machining defects such as thermal deformation and burrs are effectively reduced.

This invention discloses a routing method and system for a multi-layered, multi-path switching network. The method includes the following steps: constructing a directed graph based on the multi-layered network, wherein nodes in the directed graph represent switches, edges represent communication links, each node has the ability to switch between different switching technologies, and the communication link has the ability to transmit data according to the switching technologies of its two endpoints; for each node in the directed graph, initializing the routing table of that node and iteratively calculating the optimal routing table; given a starting node and a target node, obtaining the next hop of the minimum-cost continuous path from the starting node to the target node according to the optimal routing table of the current node, and sending data packets hop-by-hop to the next node. The routing algorithm proposed in this invention can solve the minimum-cost path problem between all node pairs.

To provide a flow path switching device that can reliably perform flow path switching operations when the pump stops operating. [Solution] The flow path switching device 5 is equipped with a valve body 42 that selectively connects the outlet flow path 35 to either the first inlet flow path 31 or the second inlet flow path 32. The first inlet flow path 31, the second inlet flow path 32, the outlet flow path 35, and the pressurizing chamber 38 are all connected to the valve chamber 37. When the valve body 42 is in the open position, the pressurizing chamber 38 is connected to the second inlet flow path 32. The pressurizing chamber 38, the valve chamber 37, and the first inlet flow path 31 are aligned along the direction of movement of the valve body 42. When the valve body 42 is in the open position, it is located between the pressurizing chamber 38 and the first inlet flow path 31.

This invention relates to the field of distributed streaming data processing and dynamic reconfiguration of cross-domain processing logic, and particularly to a real-time data stream analysis method and system for the international automotive market. The method includes: acquiring pure physical kinematic state data of the vehicle and pre-authorized original environmental data from a pre-defined system; calculating and generating a transient symmetric key; encrypting the original environmental data into ciphertext data and writing it into a memory buffer; inputting the kinematic data into a gradient descent optimization model, fine-tuning the feature transformation computation graph weight matrix and bias terms, and outputting a new rule domain matching operator path; reading the hardware clock cycle value and injecting it into the header of the ciphertext data tensor to generate a routing marker, guiding the data flow to the new operator path; after confirming the path switch, sending an overwrite command to replace the transient symmetric key with an all-zero physical state, blocking the decryption and restoration path of the remaining ciphertext data. This invention solves the problem of feature data leakage or computational interruption caused by differences in feature transformation standards during cross-regional driving.

This flow path switching system comprises: a flow path switching valve; and a pump for conveying fluid to the flow path switching valve. The flow path switching valve has: an inlet flow path for introducing the fluid conveyed by the pump; a first outlet flow path and a second outlet flow path branching off from the inlet flow path and discharging the fluid; a movable wall chamber; a movable wall located within the movable wall chamber; a drive shaft connected to the movable wall; and a valve body provided on the drive shaft. By actuating the movable wall and driving the drive shaft, the first outlet flow path and the second outlet flow path are opened and closed by the valve body to switch between the flow paths.The flow path switching system comprises: a first connection path for connecting the movable wall chamber to an upstream flow path of the pump; a second connection path for connecting the movable wall chamber to a downstream flow path of the pump; and a connection state switching valve for switching the connection state between the first connection path and the second connection path.

This invention provides a method, system, medium, and device for protecting against redundant link switching in network communication failures, belonging to the field of vehicle network communication and safety management technology. The method acquires main link monitoring data in real time; a programmable gate array (PGA) state machine evaluates the main link's health based on the monitoring data; if the main link's health evaluation does not meet the requirements, a pre-loaded routing table is triggered to activate the backup link, thereby switching the main link to the backup link. This method enables health calculation and switching decisions to be completed within the PGA state machine, with a latency of <1ms, which is 10 times faster than the >10ms latency of traditional software protocol stacks; the pre-loaded routing table achieves nanosecond-level path switching through direct register reading, thus meeting the requirements of low recovery latency in high real-time scenarios.

Provided is a flow path switching valve which is provided with flow paths in multiple directions and in which a valve element does not separate from a seal member. This flow path switching valve comprises a valve body (40), a valve element (50), and a sealing member (70). The valve body (40) has a valve chamber (30) formed therein, and at least three ports serving as inlets and outlets for a fluid are provided in a wall surface that forms the valve chamber (30). The valve element (50) is disposed in the valve chamber (30) and has a first passage (51) through which the fluid flows. The sealing member (70) seals the space between the valve element (50) and one or more of the ports. The sealing member (70) also has a base part (80) and an expansion part (90). The base part (80) is provided on the port side. The expansion part (90) expands so as to open from the base part (80) side toward the valve element (50), and urges and contacts the valve element (50) in a communicating state.

This application provides an intelligent boot device and method for a computer system, relating to the field of computer technology. The device includes: a baseboard management controller with an out-of-band monitoring module that monitors the boot process and generates a boot status identifier; a boot control unit that reads the identifier; a multi-level redundant storage partition including primary and backup boot path partitions and an independent repair partition; and a boot control unit that selects a boot device from the primary, backup, or repair partition based on the identifier. This application solves the technical problem of traditional server single-path boot mode, where damage to critical boot components leads to system boot failure, and the recovery process relies on manual intervention. It achieves a three-level fault-tolerance mechanism by constructing primary and backup dual paths and an independent repair partition, and utilizes out-of-band monitoring to achieve automatic fault detection and intelligent boot path switching, thereby improving the reliability and automation of server system booting and reducing business offline time.

This invention discloses an integrated information processing method, system, electronic device, and storage medium based on multi-valued states, non-uniform weight mapping, and closed topological constraints. The method maps input information into multi-valued discrete state nodes and constructs a closed topological network including independent closed loops, positional closed constraint spaces, mirror loops, and / or hierarchically nested loops. It generates a background reference state, intrinsic pointing flow, and non-uniform weights based on preset rules and / or residual feedback. Based on the background reference state, the closed topological network, and the dimensional hedging mechanism, it performs polarity cancellation, mirror hedging, cross-dimensional compensation, orthogonal projection residual calculation, sliding offset compensation, and structural fingerprint generation on the state nodes. It performs closure determination based on local residuals, global residuals, cross-loop consistency, cross-dimensional consistency, tolerance thresholds, and stability windows. When the closure condition is met, it triggers deterministic early termination, decision output, reconstruction output, or locked output based on consistency verification and / or closure determination; when the condition is not met, it triggers blocking, correction, path switching, connection rearrangement, parameter refeedback, weight redistribution, or topological reconstruction. This solution can uniformly realize encoding, compression, verification, inference, secure output and reconstruction recovery, and is applicable to processors, programmable logic devices, dedicated logic circuits and in-memory computing arrays.

The utility model discloses a sliding device, include: output shaft, first tooth cover, first tooth cover is encased in the periphery of output shaft, second tooth cover, second tooth cover is encased in the periphery of first tooth cover, and second tooth cover can slide along first tooth cover, first gear, first gear is encased in the periphery of output shaft, and first gear sets up one end at first tooth cover, first inner tooth circle, first inner tooth circle is encased in the periphery of one end at first tooth cover, second gear, the second gear all is encased in the periphery of output shaft, and second gear sets up the other end at first tooth cover, second inner tooth circle, first inner tooth circle is encased in the periphery of the other end at first tooth cover, sliding assembly, sliding assembly sets up on second tooth cover. Through the application of the utility model, a kind of sliding device is presented, second tooth cover can be engaged with two inner tooth circles respectively, to realize double power path switching, can satisfy multi-working condition (such as different speed ratio or steering) demand.

The dehumidifier comprises a refrigerant circuit in which a first heat exchanger (1), a pressure reducing device (5), a second heat exchanger (2), a flow path switching device (7), a third heat exchanger (3), a compressor (6), and a fourth heat exchanger (4) are sequentially connected by refrigerant piping (8), a first desiccant material (21), a second desiccant material (22), and a control unit (30). The first heat exchanger (1) and the second heat exchanger (2) are positioned so as not to overlap when viewed from the intake port (11a). The third heat exchanger (3) is positioned so as to overlap with the first heat exchanger (1) and the second heat exchanger (2) when viewed from the intake port (11a). The fourth heat exchanger (4) is positioned so as to overlap with the third heat exchanger (3) when viewed from the intake port (11a). The control unit (30) alternately switches between a first state in which the first heat exchanger (1) is used as a condenser and the second heat exchanger (2) is used as an evaporator, and a second state in which the second heat exchanger (2) is used as a condenser and the first heat exchanger (1) is used as an evaporator.

The application provides a RDMA packet level multi-path distribution method and system based on PSN granularity adjustment, which is executed by a sending end and makes the network side forward based on an equal multi-path routing mechanism, and comprises the following steps: generating a work queue element in response to a work request submitted by an upper layer application, copying a to-be-sent message from a host memory to a network card memory by an RDMA network card; segmenting the to-be-sent message, allocating a packet sequence number, a message sequence number and an intra-segment sequence number to each data segment; determining a path identifier according to the packet sequence number, a preset granularity parameter and the number of available equal paths, so that data segments with a continuous number equal to the preset granularity parameter correspond to the same path identifier; encoding the path identifier to a UDP port field, and writing the message sequence number and the intra-segment sequence number into an optional extended transmission header. The application takes the packet sequence number as a scheduling index, adjusts the path switching frequency through the granularity parameter, and can realize the adjustable trade-off between the load balancing benefit and the out-of-order overhead without modifying the network side device.

A photovoltaic grid connection path switching control method considering historical data includes the following steps: Real-time acquisition of voltage waveform data at the photovoltaic grid connection point for the first time period before an overvoltage occurs, as the real-time waveform; retrieval of voltage waveform data from the same time period of the previous day from a historical database, as the historical waveform; alignment of the real-time waveform and the historical waveform along their time axes, and comparison of similarity at preset intervals; if the similarity of all comparison intervals within the first time period is greater than or equal to a first preset threshold, then the overvoltage switching strategy of the same time period of the previous day is directly invoked, controlling the photovoltaic switching device to switch the photovoltaic grid connection path to a dedicated line or load line; otherwise, the switching strategy is adjusted or regenerated according to the type of deviation, and the corresponding switching operation is executed. This method avoids the delay caused by complex calculations each time, and eliminates misjudgments caused by occasional interference or changes in operating conditions through similarity judgment, ensuring the accuracy and adaptability of the strategy.

This invention discloses a motor-controlled translational automatic reversing device for a flow meter, relating to the field of liquid weighing and metering technology. It includes a reversing unit connected to a drive unit, a pressure guide head slidably mounted on a liquid supply unit on the reversing unit, and the reversing unit's inner cavity divided into a metering chamber and a delivery chamber by a partition. During the reversing unit's movement, the guide portion of the pressure guide head interacts with the wedge-shaped surface of the partition, causing the pressure guide head to displace. This automatically and forcibly converts the horizontal linear motion of the reversing unit into vertical displacement of the pressure guide head. As soon as the reversing unit reaches its position, the pressure guide head is inevitably pushed to the sealing position, achieving synchronization between the sealing and reversing actions. This ensures that a seal is established the instant the flow path switching is completed, avoiding potential leakage paths in open connections.

The application discloses a model prediction control method of a multi-path switching Buck-Boost converter and relates to power electronic conversion control. The technical solution points are as follows: step 1: output voltage and current detection and preprocessing; step 2: voltage outer loop PI regulation and current reference value generation; step 3: current inner loop mode division model prediction control; step 4: double-state observer design and parameter estimation; and step 5: power supply switching logic and PWM signal generation. The application mainly detects input power supply voltage and load state, adaptively matches optimal working modes and control parameters, ensures synchronous and accurate control in all power supply switching and mode conversion processes, realizes smooth action of main switching devices and output voltage stability through one set of control architecture, and significantly improves system efficiency and robustness.

This application relates to an integrated device for carbon dioxide capture and waste gas purification, belonging to the field of waste gas treatment technology. It includes a waste gas purification unit comprising two alternately operating purifiers, each filled with composite purification packing and equipped with an inlet valve, an outlet valve, a desorption valve, and a return valve; a carbon dioxide capture unit comprising two alternately operating adsorbers, each filled with solid CO₂ adsorbent and equipped with an inlet valve, an outlet valve, a desorption valve, a purge valve, and a pressure equalization valve; and an auxiliary functional unit comprising at least one intake fan, a vacuum pump, a heater, and a carbon dioxide storage tank. The purifiers and adsorbers form a dual-path switching system through pipelines and valves. During operation, the two paths form a purification-capture linkage path, and while one path is operating, the other path simultaneously performs regeneration operations, improving the pretreatment process and efficiently removing particulate matter and other impurities from industrial waste gas, avoiding CO₂ adsorbent poisoning, and extending the adsorbent's service life.

An indirect-to-indirect path switching procedure is proposed for transferring operation of a remote user equipment, UE, from a first relay UE to a second relay UE, while preserving continuity of the user's service(s) offered by a cellular network through the first and second relay UEs, in a layer 2 UE-to-network relaying architecture.

The application relates to a multi-path switching network protection method and system based on a ROADM, relates to the technical field of optical transmission networks in the communication industry, and comprises a plurality of ROADM sites, a network management system and an OTU module; the ROADM sites are divided into local sides and direction sides; the network management system is used for pre-configuring a main path of a service, at least one protection path and the priority of each path, configuring the parameters of a WSS module in each ROADM site, detecting a link fault alarm and triggering path switching. The application pre-sets a plurality of switching paths by manual operation or the network management and sets priorities, uses the WSS board card of the ROADM site to realize flexible scheduling of the service between different directions, does not need to depend on a complex control plane such as GMPLS and ASON, when detecting abnormalities such as fiber breakage, site power failure and board card failure, switches to the preset protection path according to the priority order, and establishes a new service optical channel by reconfiguring the WSS parameters.

This application discloses an electronic device and a motherboard, relating to the field of electronic technology. The electronic device includes a connector, a path switching switch, and a processor chip. This application incorporates a path switching switch within the electronic device. The path switching switch has a second data transmission pin coupled to a first data transmission pin of the connector, and third and fourth data transmission pins coupled to different interfaces of the processor chip, respectively. Furthermore, the selection pin of the path switching switch is coupled to a power supply pin of the connector when the electronic device is not in host mode. This allows power to be supplied to the internal components of the electronic device via the power supply pin when it is not in host mode, providing a control signal for switching data paths to the path switching switch.

The utility model discloses a kind of one-in three-out water path switching valve, fluid control equipment, the one-in three-out water path switching valve includes passage assembly and closure assembly, passage assembly includes the flow-through valve body with two flow-through chambers in inside, the total water inlet channel and three water outlet channels of flow-through valve body front end surface are equipped with horizontal protruding in flow-through valve body, water outlet channel includes normally open water outlet channel, first water outlet channel, and second water outlet channel, the top of flow-through valve body rear end surface is equipped with arrangement water flow-through channel;Closure assembly includes two switching channels, wherein the middle part of each switching channel is communicated with normally open water outlet channel, and the middle part of another switching channel is communicated with one end of water flow-through channel, retractable plug post that can be longitudinally displaced is equipped in switching channel, the plugging end of retractable plug post is located in the flow-through chamber of flow-through valve body, the present application can realize dynamic adjustment, reduce leakage risk, simplify the complex pipeline system of traditional multi-valve combination, reduce the number of parts, reduce production cost and assembly difficulty.

The present application relates to the technical field of radio frequency automation test, and more particularly to a signal source test system and method based on a radio frequency switch matrix, comprising a calibration module, an analysis module, a correction module, a sending module, an acquisition module, a closed-loop calibration module and a determination module. The calibration module obtains matrix switching time consumption, signal source parameter adjustment time consumption and temperature aging coefficient and calculates a reference time delay difference; the analysis module generates path switching instructions and waveform characteristic adjustment parameters according to a test sequence; the correction module corrects the reference time delay difference using the current temperature and the cumulative number of actions to obtain a current time delay difference value; the sending module determines the instruction sending sequence and interval according to the time delay difference sign and sends in sequence; the acquisition module controls the signal analysis unit to perform data acquisition after the instruction sending is completed; the closed-loop calibration module corrects the waveform characteristic adjustment parameters according to the reflection coefficient deviation; and the determination module compares the test data with a preset index threshold and outputs a test conclusion.