6results about How to "Guaranteed search efficiency" patented technology

The application belongs to the technical field of optical three-dimensional measurement, and discloses a two-division iteration sub-pixel matching method and system for phase structured light three-dimensional measurement, which comprises the following steps: obtaining a phase map; performing legality marking and pixel-level initial matching on the phase map; determining a sub-pixel search area based on the pixel-level initial matching; and performing sub-pixel matching point search based on the sub-pixel search area by using a two-division iteration method to obtain a sub-pixel matching point. The application can improve the precision of binocular matching in phase structured light three-dimensional measurement, thereby improving the precision of three-dimensional reconstruction.

The present application relates to the technical field of impedance matching of microwave sources, and specifically relates to a three-pin impedance matching method and device based on fast lookup table. The method comprises: constructing a mapping relationship table of three-pin insertion depth and impedance, and splitting and sorting to form a real impedance matching table and an imaginary impedance matching table; obtaining electrical parameters between a microwave source and a three-pin matching device or between the three-pin matching device and a load, and calculating the load impedance; finding an index position in the real impedance matching table and the imaginary impedance matching table that is conjugate matched with the load impedance, and outputting the insertion depth of the three-pin matching data entry at the index position; and when no match is found, gradually widening the index range until a matching data entry is found, and outputting the insertion depth of the three-pin matching data entry. The present application optimizes the data structure and lookup logic of the table, reduces the data amount during lookup, significantly improves the efficiency and speed of impedance matching, and guarantees the transmission of microwave signals.

This invention discloses a prompt word optimization control method combining difficulty grading and simulated annealing. The method includes: collecting failed case data to construct a multi-dimensional feature vector, obtaining a difficulty score, and allocating resource parameters and setting an initial annealing temperature accordingly; generating prompt word variants using a mutation strategy and calculating the pass rate; constructing a dynamic threshold model containing an iteration time power-law term and a hyperbolic tangent term for remaining difficulty to screen the parent population; monitoring changes in the pass rate to adaptively adjust the annealing temperature, and calculating the acceptance probability based on a strategy difference correction term to determine whether to accept inferior solutions. This invention achieves dynamic resource allocation and adaptive adjustment of the search process, effectively improving the accuracy of prompt word optimization and global optimization capability.

The invention discloses an aviation composite material solidification scheduling method and system considering multilayer space and time window constraints, and the method aims at multilayer board equipment space constraints, workpiece time window restrictions and batch processing demands in aviation composite material solidification production, and minimizes the maximum completion time as a target function. A single-machine batch scheduling model fusing multilayer space placement, laminate capacity and time window constraint is constructed, and meanwhile, an evolutionary algorithm combined with adaptive neighborhood search is adopted for solving; the improved strategies such as population initialization with time compatibility and random combination, a multi-dimensional neighborhood search operator and double-layer self-adaptive neighborhood selection are designed according to the characteristics of the composite material solidification scheduling, the global search and local optimization capability of the evolutionary algorithm is improved, and the solving quality and efficiency of the composite material solidification scheduling under the complex constraint are remarkably improved. The method can be widely applied to complex manufacturing scenes with multi-layer processing space, time window constraint and batch processing characteristics, such as aviation composite material forming and heat treatment furnace scheduling.

The application discloses a kind of considering multi-layer space and time window constraint's aviation composite curing scheduling method and system, the method is for the space constraint of multi-layer board equipment in aviation composite curing production, workpiece time window limit and batch processing demand, with minimizing maximum completion time as objective function, construct the single machine batch scheduling model of fusion multi-layer space placement, layer board capacity, time window constraint, while solving by using the evolutionary algorithm of combining adaptive neighborhood search, population initialization of time compatibility and random combination is designed for composite curing scheduling characteristics, multi-dimensional neighborhood search operator, double-layer adaptive neighborhood selection and other improvement strategies, improve the global search and local optimization ability of evolutionary algorithm, significantly improve the solution quality and efficiency of composite curing scheduling under complex constraint.The application can be widely applied to aviation composite forming, heat treatment furnace scheduling and other complex manufacturing scenarios with multi-layer processing space, time window constraint and batch processing characteristics.

The application discloses a data query method and device, computer equipment and a readable storage medium. The method comprises the following steps: in response to a login request of a user, sending a plurality of preset labels to a user terminal for display, wherein the plurality of preset labels comprise a plurality of device labels and a plurality of attribute labels; receiving a label selection result sent by the user terminal, and obtaining at least one target label included in the label selection result; determining at least one target storage path according to the at least one target label and a preset mapping relationship; and calling at least one item of device data according to the at least one target storage path. Through the electronic storage mode of the data label, the efficiency and accuracy of device data searching are improved, thereby improving the device maintenance efficiency. Meanwhile, the loss and damage of device drawings are avoided, the errors or abnormalities caused by low data clarity are reduced, the correctness of device data is ensured, and the accuracy of maintenance and troubleshooting of operation and maintenance personnel is ensured.