40results about How to "Reduce the chance of conflict" patented technology

The invention discloses a fault tree collaborative analysis system based on authority management and model decomposition. The system mainly comprises the following seven modules which include a modeling target resolver, a modeling task decomposer, an authority manager, an authority mapper, a conflict inhibitor, a model combiner and a model analyzer. According to the system, a collaborative technology is applied from modeling target analysis and task definition to specific modeling processes, and fault tree modeling analysis can be achieved by cooperation of multiple persons and multiple roles under the action of authority management and mapping mechanism; a collaboration platform is provided for fault tree modeling staff, and fault tree modeling tasks of large complicated systems in fields of navigation, aerospace, nuclear power energy and the like can be achieved; requirements in terms of model scale and multidisciplinary approach in fault tree modeling of current large complicated systems can be met, and the task of fault tree modeling analysis can be efficiently finished by cooperation of modeling staff with different knowledge backgrounds and professional skills.

The invention relates to a multi-channel collaboration multi-address access method and a system. The method comprises the following steps: a source node selects a data channel from a channel state table and sends a CRTS packet on a control channel; when a target node which receives the CRTS packet judges that the data channel is available, the target node sends a CCTS packet on the control channel; when a neighbor node judges that the data channel is available and meets the collaboration conditions; the neighbor node sends a HA packet on the control channel and sends an RTH packet as a collaborative node; when the source node and the target node receive the RTH packet on the control channel, the source node and the target node respectively send an SCA packet and a DCA packet on the control channel, and the source node sends the data packet to the target node through the collaborative node on the data channel; and the target node sends a busy tone after receiving the data packet. On the one hand, the invention can solve the technical defects of low transmission reliability and the like of the existing data transmission due to conflicts, on the other hand, the invention can greatly reduce the application complexity and the cost.

The invention relates to a Wireless HART standard-based in-vehicle wireless interaction method, and aims to establish a wireless vehicle-mounted network. The vehicle-mounted network comprises a gateway, access points and a plurality of wireless nodes, wherein the gateway accesses to a vehicle control wired network, and is connected to the access points; and the wireless nodes and the access points form the mesh wireless vehicle-mounted network. The method comprises: a network access and networking stage, a communication stage and a network searching stage. Compared with the prior art, in the method provided by the invention, through the network access and networking stage, the automatic fast networking is realized, through the communication stage, safe data transmission is realized based on a redundant path, and through the network searching stage, low power consumption operation is realized; and the wireless vehicle-mounted network can replace a communication cable, and a purpose of reduction of the wiring harness weight is realized by use of various equipment which are connected with a vehicle through a wireless technology.

The invention discloses an automatic address identification handshaking method of a share type bus in a master-slave communication mode. In the handshaking method, response data packets can be sequentially sent after each measuring control terminal receives a super command sent by a main control module by means of corresponding delayed duration determined according to an obtained modulus and the maximum delivery number of the measuring control terminals, which is required by a measuring control terminal delivery address for a shared bus, therefore a majority of measuring control terminals are guaranteed to normally report addresses to the main control module; and moreover, the probability of bus confliction is further reduced by adopting intercepting index avoidance algorithm delay and a bus monitoring method. When field installation is carried out on equipment adopting the share type bus in the master-slave communication mode, the method ensures that the operation steps of installation personnel are simplified, working efficiency is improved and address setting equipment is simultaneously saved.

The invention provides a routing method and system for a non-regular three-dimensional integrated circuit network-on-chip. The method comprises the steps of according to the topological structure of the non-regular three-dimensional integrated circuit network-on-chip, determining that a Hamiltonian path based error tolerance routing algorithm route data package or a spanning tree based error tolerance routing algorithm route data package is adopted; if the Hamiltonian path based error tolerance routing algorithm route data package is adopted, determining to perform routing error tolerance by use of the sequence of monotonous ascending node number or monotonous descending node number according to positions of a source node and a destination node; and if the spanning tree based error tolerance routing algorithm route data package is adopted, selecting to generate a tree root node, and selecting a transmission path to finish transmission of the data package according to the root node and positions of the source node and the destination node.

The invention relates to a multi-channel collaboration multi-address access method and a system. The method comprises the following steps: a source node selects a data channel from a channel state table and sends a CRTS packet on a control channel; when a target node which receives the CRTS packet judges that the data channel is available, the target node sends a CCTS packet on the control channel; when a neighbor node judges that the data channel is available and meets the collaboration conditions; the neighbor node sends a HA packet on the control channel and sends an RTH packet as a collaborative node; when the source node and the target node receive the RTH packet on the control channel, the source node and the target node respectively send an SCA packet and a DCA packet on the control channel, and the source node sends the data packet to the target node through the collaborative node on the data channel; and the target node sends a busy tone after receiving the data packet. On the one hand, the invention can solve the technical defects of low transmission reliability and the like of the existing data transmission due to conflicts, on the other hand, the invention can greatly reduce the application complexity and the cost.

One method for managing data of data bank relates to storage item. Get corresponding Hash value by Hash function conversion with prescriptive time for key value of storage item and judge whether the key value is collision after Hash function conversion. Storage the item key value of collision into TCAM and the first RAM associated with TCAM. In the prescriptive time, the item after Hash function conversion without collision and its Hash value storage into the second RAM. There is a kind of system relates to storage unit, TCAM, first RAM and second RAM. The first RAM connects with the said TCAM. The item after Hash function conversion without collision storages into the second RAM and storages the conversion item into TCAM and first RAM. Through this system, it can carry in low cost and wastage.

The invention provides a method and a device for acquiring process key data. The method reduces access processes of each data block by indexing different statistical data in the process key data consisting of process identification and type identification. For the acquisition of the process key data, background service processes and agent processes are reduced, and the probability of interferences happened among the background service processes is reduced, so that the mutual exclusion of the background service processes and the agent processes are effectively avoided, and the reliability of the acquisition of the process key data is enhanced.

A memory device and command reordering method, the memory device includes a controller and at least one memory. The controller is used for providing multiple access commands and performing a command reordering method for the multiple access commands. The command reordering method includes: a hierarchical step, selecting at least one command with the same hierarchical address as the previous scheduling command from the access command as at least one first candidate command; a library level step, selecting from at least one first candidate command At least one command with a bank address different from that of the previous scheduling command is used as at least one second candidate command; and a command is selected from the at least one second candidate command as the current scheduling command. The invention can reduce the probability of page table conflict in the library, effectively improve the bandwidth utilization rate of the memory, and the like.

The invention discloses an automatic address identification handshaking method of a share type bus in a master-slave communication mode. In the handshaking method, response data packets can be sequentially sent after each measuring control terminal receives a super command sent by a main control module by means of corresponding delayed duration determined according to an obtained modulus and the maximum delivery number of the measuring control terminals, which is required by a measuring control terminal delivery address for a shared bus, therefore a majority of measuring control terminals areguaranteed to normally report addresses to the main control module; and moreover, the probability of bus confliction is further reduced by adopting intercepting index avoidance algorithm delay and a bus monitoring method. When field installation is carried out on equipment adopting the share type bus in the master-slave communication mode, the method ensures that the operation steps of installation personnel are simplified, working efficiency is improved and address setting equipment is simultaneously saved.

The invention discloses a method for improving the acceleration performance of the hardware of a firewall chip. The method of the invention comprises the steps that: the exterior of the firewall chip is configured with an external memory, in which an area is respectively divided for a connecting index table and a connecting table, and the base addresses of the connecting index table and the connecting table are stored into the firewall chip and a CPU. The mirror images of the connecting index table and the connecting table are established in a CPU memory. The mirror images, and the connectingindex table and the connecting table in the external memory of the firewall chip are kept synchronizing. Then, the firewall chip and the CPU work collaboratively so as to realize the access and the establishment to the connecting index table and the connecting table. The method of the invention fundamentally solves the problem that the connecting list items of the existing speeding-up firewall ofthe hardware are too few and concurrent connections can not meet the requirement of the performance of the firewall. In addition, the enlarged connecting index table and the connecting table reduce the probability of the conflict of HASH algorithm and enhance the efficiency of processing the data packet of the firewall chip.

The invention discloses a routing method for a three-dimensional integrated circuit on-chip network. The optimal route of the node to ensure that the data packet reaches the destination node through the optimal route; the data routing step is used based on the principle of illegal steering between the layers of the horizontal device layer and the constraints of the corresponding steering restrictions in the vertical plane, and the routing strategy is used to transfer the data The packet is gradually routed from the source node to the destination node through the intermediate node. The invention also discloses a routing system of the three-dimensional integrated circuit on-chip network.

The invention discloses a method for implementing forward delay of burst, and a core node. In the invention, the core node provided with FDL can initiatively carry out delay processing to the burst to be overlapped when overlapping of the burst will occur on a to-be-protected link thereof so as to reduce possibility of occurrence of burst confliction on a downstream to-be-protected link. The corenode can transmit a burst delay request to an upstream core node when it finds burst confliction will occur at self out-port at a coming moment, and request the core node provided with the FDL and having delay capacity to help to delay the burst. The method fully utilizes the FDL provided in the network and reduces probability of burst confliction.

The invention provides a method for determining the position of a physical downlink control channel candidate, a terminal and a network device, and relates to the technical field of communication. The method for determining the location of a physical downlink control channel candidate is applied to a terminal, and includes: sending terminal capability information to a network device, where the terminal capability information includes: whether the terminal supports a capability exceeding a preset number of CORESETs and / or whether it supports at least The ability to receive two TRPs; obtain the start offset value of the PDCCH candidate position in the search space of each CORESET; determine the position of the PDCCH candidate in the search space of each CORESET according to the start offset value. The above solution can reduce the probability that the search spaces of different terminals collide with each other in different CORESETs, reduce the PDCCH blocking probability of the terminal, and thus ensure communication reliability.

The invention relates to a code processing method and device, computer equipment and a storage medium, and is applied to the field of artificial intelligence. The method comprises the following steps: receiving a modification code which is submitted by a first user terminal and aims at a target branch on a code server; the modification code is obtained by modifying a first basic code of the target branch; obtaining a current basic code corresponding to the target branch; and under the condition that the first basic code is the same as the current basic code, updating the current basic code corresponding to the target branch according to the modification code to obtain a second basic code, and sending the second basic code to a second user terminal, and enabling the second user terminal to perform code modification on the target branch by taking the second basic code as a modification basis. By adopting the method, the second user terminal can sense the update of the code version on the target branch and perform code modification based on the latest branch code, so that the code conflict probability is reduced.

The invention discloses a fault tree collaborative analysis system based on authority management and model decomposition. The system is mainly composed of the following seven modules: modeling target resolver, modeling task resolver, authority manager, authority mapper, conflict Preventer, Model Combiner and Model Analyzer are composed. The system introduces collaborative technology from modeling target analysis and task definition to specific modeling process. Under the role of authority management and mapping mechanism, it can realize multi-person and multi-role cooperation fault tree modeling and analysis; for fault tree modeling It provides a collaborative platform for personnel to complete the fault tree modeling tasks of large and complex systems in the fields of navigation, aerospace, and nuclear power energy; it meets the model scale and multidisciplinary aspects that appear in the current fault tree modeling of large and complex systems Therefore, modelers with different knowledge backgrounds and professional skills can efficiently complete the task of fault tree modeling and analysis through division of labor and cooperation.