CN-121979468-A - Multi-scene photoelectric display cooperative control method and system

CN121979468ACN 121979468 ACN121979468 ACN 121979468ACN-121979468-A

Abstract

The invention provides a multi-scene photoelectric display cooperative control method and a system, which are used for acquiring photoelectric equipment state data and constructing an equipment topology state diagram according to the photoelectric equipment state data, generating a fault recovery plan by adopting an iterative greedy search strategy based on the equipment topology state diagram, then carrying out fault restoration on photoelectric equipment according to the fault recovery plan and generating a new equipment topology state diagram, acquiring a user instruction, resolving the user instruction into a target constraint set, generating an optimal conflict resolution strategy by using a graph search algorithm based on the target constraint set and the new equipment topology state diagram, and controlling the photoelectric equipment according to the optimal conflict resolution strategy. The invention solves the problems that the control instruction in the prior art depends on static configuration, the instruction cannot be executed easily due to various configuration conflicts, and the configuration conflicts cannot be resolved by the user.

Inventors

FU NING
ZHAO PENG
JIANG TAO
XU XIAOBING
YANG XINYUE
LIU PENG
ZHANG MI
AI ZHIGUO
YANG LIPING
HE MINGFANG
YANG YI
LIAO HONGCHENG

Assignees

重庆锐虎光电科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260407

Claims (7)

1. A multi-scene photoelectric display cooperative control method is characterized by comprising the following steps: acquiring state data of photoelectric equipment, and constructing an equipment topology state diagram according to the state data of the photoelectric equipment; Generating a fault recovery plan by adopting an iterative greedy search strategy based on the equipment topology state diagram, then carrying out fault recovery on the photoelectric equipment according to the fault recovery plan, and generating a new equipment topology state diagram; And obtaining a user instruction, resolving the user instruction into a target constraint set, generating an optimal conflict resolution strategy by using a graph search algorithm based on the target constraint set and a new equipment topology state graph, and controlling the photoelectric equipment according to the optimal conflict resolution strategy.
2. The multi-scene photoelectric display cooperative control method according to claim 1, wherein: The method for generating the fault recovery plan by adopting the iterative greedy search strategy based on the equipment topological state diagram comprises the following steps: s1, determining a fault node and a fault root node according to a device topology state diagram, calculating an initial influence score of the fault node, and generating a candidate action set according to the fault root node and the device topology state diagram, wherein the candidate action set comprises a plurality of recovery actions; s2, initializing a device topology state diagram and creating a blank fault recovery action sequence; S3, randomly taking out a recovery action from the candidate action set, adjusting the equipment topology state diagram according to the recovery action, and then recalculating the global influence score of the fault node; s4, if the global influence score of the iteration is reduced compared with the global influence score or the initial influence score of the previous iteration, adding the recovery action into a fault recovery action sequence, otherwise, discarding the action, and repeating the steps S3-S4 until all recovery actions are taken; S5, repeating the steps S2-S4 to obtain a plurality of different fault recovery action sequences, then calculating the global recovery degree of each fault recovery action sequence, and selecting the fault recovery action sequence with the largest global recovery degree as a fault recovery plan.
3. The multi-scene photoelectric display cooperative control method according to claim 2, wherein: The method for determining the root cause node of the fault according to the equipment topology state diagram comprises the following steps: Generating a fault propagation diagram according to a device topology state diagram, wherein the fault propagation diagram comprises a plurality of normal nodes, fault nodes and a plurality of fault influence edges; the potential root cause nodes which can affect the fault node are screened out from the normal nodes according to the fault influence edges, and then the influence probability of each potential root cause node is calculated according to the fault influence table; And taking the potential root node with the highest influence probability as the fault root node.
4. The multi-scene photoelectric display cooperative control method according to claim 2, wherein: if the fault node cannot be determined according to the equipment topology state diagram, a fault recovery plan is not generated.
5. The multi-scene photoelectric display cooperative control method according to claim 1, wherein: the method for generating the optimal conflict resolution strategy by using the graph search algorithm based on the target constraint set and the new device topology state graph comprises the following steps: a1, constructing a node state space and an action space according to a device topology state diagram, wherein the node state space comprises a plurality of nodes, the action space comprises a plurality of transfer actions, and a corresponding local cost is constructed for each transfer action; A2, constructing an evaluation function, an action set and a global cost function; A3, extracting a transfer action minimizing an evaluation function from an action space by using an A-algorithm, adding the extracted transfer action into an action sequence, and generating a current node transfer state diagram; wherein the evaluation function is: Wherein, the In order to sum the local cost of the transfer actions in the action set from the initial state to the current state n, UC (n) is the constraint quantity of the current node transfer state diagram which does not meet the target constraint set, NAC (n) is the node number which needs to adjust the state in the current node transfer state diagram; A4, repeating the step A3 until the current node transfer state diagram meets the target constraint set and the global cost function is minimum; A5, obtaining an action set as an optimal conflict resolution strategy according to the last iteration.
6. The multi-scene photoelectric display cooperative control method according to claim 5, wherein: in step A2, if the plurality of transfer actions are equivalent, the transfer action that minimizes the evaluation function is retained, and other equivalent transfer actions are deleted from the action space.
7. A multi-scene electro-optical display cooperative control system, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements a multi-scene electro-optical display cooperative control method according to any one of claims 1-6 when executing the program, comprising: the state sensing module is used for acquiring state data of the photoelectric equipment and a user instruction, constructing an equipment topology state diagram according to the state data of the photoelectric equipment and deconstructing the user instruction into a target constraint set; the fault recovery module is used for generating a fault recovery plan by adopting an iterative greedy search strategy based on the equipment topology state diagram, then carrying out fault recovery on the photoelectric equipment according to the fault recovery plan, and generating a new equipment topology state diagram; The decision module is used for generating an optimal conflict resolution strategy by using a graph search algorithm based on the target constraint set and the new equipment topological state graph; And the control module is used for controlling the photoelectric equipment according to the optimal conflict resolution strategy.

Description

Multi-scene photoelectric display cooperative control method and system Technical Field The invention relates to the technical field of intelligent display control, in particular to a multi-scene photoelectric display cooperative control method and system. Background The existing multi-scene photoelectric display system (such as an intelligent conference room and an exhibition center) mostly adopts an integrated mode of a central control system and a device driver, and a typical workflow is that a fixed device control instruction set (macro command) is configured for each scene in advance and is sequentially executed during switching. The system architecture system lacks uniform digital description of equipment capability, connection topology and real-time state, the establishment of control instructions depends on experience and static configuration of integration personnel, verification and adjustment cannot be carried out according to the actual system state during operation, switching failure and abnormal display are easily caused by configuration conflicts such as equipment capability mismatch (such as resolution overrun), resource conflict (such as signal port preemption), fault conflict and the like, and the configuration conflicts cannot be automatically solved and cannot adapt to variable service requirements. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides a multi-scene photoelectric display cooperative control method, which solves the problems that control instructions in the prior art depend on static configuration, instructions cannot be executed easily due to various configuration conflicts, and the configuration conflicts cannot be resolved by self. According to an embodiment of the invention, a multi-scene photoelectric display cooperative control method comprises the following steps: acquiring state data of photoelectric equipment, and constructing an equipment topology state diagram according to the state data of the photoelectric equipment; Generating a fault recovery plan by adopting an iterative greedy search strategy based on the equipment topology state diagram, then carrying out fault recovery on the photoelectric equipment according to the fault recovery plan, and generating a new equipment topology state diagram; And obtaining a user instruction, resolving the user instruction into a target constraint set, generating an optimal conflict resolution strategy by using a graph search algorithm based on the target constraint set and a new equipment topology state graph, and controlling the photoelectric equipment according to the optimal conflict resolution strategy. Preferably, the method for generating the fault recovery scheme by adopting the iterative greedy search strategy based on the device topology state diagram comprises the following steps: s1, determining a fault node and a fault root node according to a device topology state diagram, calculating an initial influence score of the fault node, and generating a candidate action set according to the fault root node and the device topology state diagram, wherein the candidate action set comprises a plurality of recovery actions; s2, initializing a device topology state diagram and creating a blank fault recovery action sequence; S3, randomly taking out a recovery action from the candidate action set, adjusting the equipment topology state diagram according to the recovery action, and then recalculating the global influence score of the fault node; s4, if the global influence score of the iteration is reduced compared with the global influence score or the initial influence score of the previous iteration, adding the recovery action into a fault recovery action sequence, otherwise, discarding the action, and repeating the steps S3-S4 until all recovery actions are taken; S5, repeating the steps S2-S4 to obtain a plurality of different fault recovery action sequences, then calculating the global recovery degree of each fault recovery action sequence, and selecting the fault recovery action sequence with the largest global recovery degree as a fault recovery plan. Preferably, the method for determining the root cause node of the fault according to the device topology state diagram comprises the following steps: Generating a fault propagation diagram according to a device topology state diagram, wherein the fault propagation diagram comprises a plurality of normal nodes, fault nodes and a plurality of fault influence edges; the potential root cause nodes which can affect the fault node are screened out from the normal nodes according to the fault influence edges, and then the influence probability of each potential root cause node is calculated according to the fault influence table; And taking the potential root node with the highest influence probability as the fault root node. Preferably, if the failed node cannot be determined according to the device topology state diagram, no failur