16 results about "Reference dimension" patented technology

The present invention belongs to the technical field of project supervision, and specifically is a BIM-based interior decoration project management method, comprising: step one: periodically obtaining a real view corresponding to the same perspective of a model view; the model view is obtained from a BIM model with a fixed perspective; step two: respectively setting distance measurement points corresponding to features in the model view and the real view and calculating the distance between the view point and the distance measurement point, thereby obtaining the design size corresponding to the model view and the reference size of the real view; by comparing the reference size with the design size, combining view comparison and size comparison, it is possible to more accurately reflect whether the construction site is constructed in accordance with the BIM model. When the difference between the design size and the reference size is greater than a first threshold, it indicates that there is a problem with the construction method, resulting in the feature in the real view not matching the corresponding feature in the simulation view, thereby generating an alarm instruction and prohibiting the construction party from continuing construction.

The invention provides a page preloading decision-making method and device, electronic equipment and a storage medium, and belongs to the technical field of Internet. The method comprises the steps of triggering a preloading decision request for at least one predicted page based on an operation behavior of a user on a current page; based on the preloading decision request, obtaining preloading reference data of the prediction page, the preloading reference data comprising a plurality of reference dimensions; based on the preloading reference data, determining a preloading reference feature of each reference dimension; based on the current attribute information corresponding to the reference dimensions, determining the current feature weight of each reference dimension; and based on the preloading reference feature of each reference dimension and the current feature weight, determining a preloading decision result of the prediction page. By adopting the method and the device, the real-time adaptability of the preloading decision can be improved.

The invention relates to the technical field of computer-aided software, and discloses a method for identifying size data in a design drawing, and the method comprises the steps: detecting the size data to be marked, and determining the position information of the size data in a current interface; based on the position information, cutting a region image corresponding to the size data, and mapping the region image into a standard image with a standard attitude; identifying a potential size type in the standard image, and performing text discrimination on size data in the standard image to determine a reference size type of the standard image based on a text discrimination result; and verifying the original text discrimination algorithm according to the potential size type and the reference size type, identifying a size text in the standard image based on the verified text discrimination algorithm, and generating exported data including the potential size type and the size text. According to the technical scheme provided by the invention, the identification efficiency and accuracy of the size data in the design drawing can be improved.

The invention relates to the field of photogravure press monitoring, in particular to a photogravure press running state monitoring method and system. The method comprises the following steps: acquiring multi-dimensional monitoring data of the photogravure press at each sampling moment; calculating the data concentration degree of the target dimension; taking other dimensions except the target dimension as contrast dimensions, calculating irrelevance between the target dimension and any contrast dimension, traversing to obtain irrelevance between the target dimension and each contrast dimension, and taking a mean value of all irrelevance as independence of the target dimension; and calculating importance, taking the importance as a correction factor to correct the abnormal degree obtained by the HBOS algorithm, obtaining the abnormal degree of the target dimension, integrating the abnormal degrees of all dimensions to obtain the final abnormal degree, and completing state monitoring. According to the technical scheme, the precision and efficiency of the monitoring result can be improved, and guarantee is provided for stable operation of the photogravure press.

One variation of a method includes: accessing a rendering of a model depicting features of a part; accessing a set of target features of the rendering and a function of the part, the function defining a constrained degree of freedom for the part; defining a set of datums intersecting a subset of target features that constrain the part according to the constrained degree of freedom; populating an engineering drawing with a set of projections of the rendering; annotating edges of the subset of target features in the set of projections with datum callouts; annotating edges of the set of target features in the set of projections with feature control frames; annotating a set of edges in the set of projections with the basic dimension callouts representing numerical dimensions relative to the set of datums and reference dimension callouts representing maximal dimensions of the part; and rendering the engineering drawing.

An embodiment of the present disclosure discloses a method, apparatus, electronic device, and storage medium for determining vehicle driving safety. The method includes: determining a maximum value among the body width of a tractor and the widths of each trailer towed by the tractor as an initial width; processing the body width of the tractor based on a reference dimension and / or the initial width to obtain a target width of the tractor, where the target width is greater than the initial width, and the reference dimension includes at least one of a preset safety distance and a target tracking deviation; and determining whether the tractor towing each trailer can safely travel along the reference trajectory according to the target width. Without the need to determine the poses of each trailer, the evaluation of vehicle driving safety is achieved.

The invention discloses a data volume determination method and device, equipment and a storage medium, and relates to the technical field of artificial intelligence. The method comprises: obtaining an input dimension shape of input data, the input data being data processed by a neural network unit, and the input data comprising data of N dimensions; according to the input dimension shape, a first reference dimension shape is determined from the at least one reference dimension shape, the first reference dimension shape is a minimum reference dimension shape larger than or equal to the input dimension shape in the at least one reference dimension shape, and determination of the at least one reference dimension shape is related to at least one variable dimension; before the input data is processed through the neural network unit to obtain the output data, the estimated data size of the output data is determined based on the output dimension shape corresponding to the first reference dimension shape, and the estimated data size of the output data is used for determining the memory space configured for the output data. The method can reduce memory waste.

Method of assembling an aeronautical panel (10), said panel (10) comprising a curved wall (12) and stiffening elements (14) which are attached and fixed to the wall (12) and which have a stiffness greater than that of the wall (12), in which it comprises the following steps: a) determining deviations between dimensions of the wall (12) in the free state without stress and reference dimensions, b) mounting the wall (12) on a frame (16) which is adjusted to apply on the wall (12) at least one overstress (Σ) such that the wall (12) adopts a shape different from its nominal shape, and c) fixing the stiffening elements (14) to the wall (12), the stiffening elements (14) applying at least one stress (S) to the wall (10) so that it adopts its nominal shape after removal of the panel (10) from the frame (16). Figure for the summary: Figures 3a-3c

To make it possible to grasp a tendency in which direction an error is detected without mistakes by displaying, for only one measurement point, a relation object indicating the magnitude of an error and the direction of the error between a measured value and a dimensional tolerance of a sample produced on the basis of three-dimensional model data, with a dimensional tolerance, which is not a datum reference, being set between two measurement points in the three-dimensional model data.SOLUTION: A control unit 34 displays, on a three-dimensional model, a relation object indicating whether or not a measured value of a sample produced on the basis of three-dimensional model data confirms to a permissible condition of dimensional tolerance, or the magnitude of an error and the direction of the error in the dimensional tolerance with respect to a reference dimension, with the dimensional tolerance, which is not a datum reference, being set between two measurement points in the three-dimensional model data, for only the other measurement point of the two measurement points for which the dimensional tolerance is set, in relation to one measurement point determined in accordance with a preliminarily set condition.SELECTED DRAWING: Figure 4

The invention provides a method and device for acquiring convergence stress of an aircraft structure body, and the method comprises the steps: taking the minimum thickness t of the aircraft structure body as a reference size, and building an aircraft structure body finite element model through finite element analysis software; obtaining a maximum stress calculation result of the aircraft structure body according to the boundary condition and the load working condition, and recording the maximum stress calculation result as sigma1; the value of n is 2; taking 1 / n of the minimum thickness t of the aircraft structure body as a reference size, establishing an aircraft structure body finite element model, and obtaining a maximum stress calculation result of the aircraft structure body taking 1 / n of the minimum thickness t as the reference size according to a boundary condition and a load working condition, and recording the maximum stress calculation result as sigma n; judging whether (sigman-sigman-1) / sigman-1 is less than or equal to 0.02 or not, if not, adding 1 to the value of n, and calculating again until the condition is met; and fitting a convergence stress function according to n calculation data from sigma 1 to sigma n after the condition is met, and taking a limit value of the convergence stress function as the convergence stress of the aircraft structure body. According to the invention, the stress of the structure body can be accurately calculated.

The invention relates to the technical field of computers, in particular to a concrete mixing control method and device based on data processing and a medium. According to the method, a reference dimension reduction feature is obtained by conducting dimension reduction processing on a mixing parameter matrix, and feature prediction is conducted based on the reference dimension reduction feature; compared with the prior art in which prediction is carried out directly according to the stirring parameter matrix, the calculation amount of prediction reasoning is effectively reduced, the real-time performance of concrete stirring control carried out in a prediction mode is further guaranteed, the efficiency of concrete stirring control is improved, prediction features are verified, and the accuracy of concrete stirring control is improved. According to the method, the reliability of predicting by adopting the reference dimension reduction features is ensured, and the situation that the prediction accuracy is reduced due to feature prediction based on the reference dimension reduction features is avoided, so that the reliability of concrete mixing control is ensured.

The invention discloses a multi-dimensional resource scheduling method and device, a storage medium and electronic equipment. The method relates to the field of artificial intelligence, and comprises the steps of clustering a plurality of reference data sets corresponding to at least one target object to obtain a resource association graph, the reference data sets being used for indicating a data set of the target object on one reference dimension in a preset period, and the resource association graph being used for indicating a relationship between the reference dimensions; performing feature extraction on the resource association graph to obtain resource graph features; according to the resource map features and a plurality of reference data sets corresponding to the at least one target object, prediction is carried out, a plurality of target data sets corresponding to the at least one target object are obtained, and the target data sets are used for indicating prediction results of the target object in one reference dimension; and scheduling the at least one target object according to the target data set. According to the method and the device, the problem of relatively low resource utilization rate of a multi-dimensional resource scheduling method in related technologies is solved.

To inspect the appearance of a tire without irradiating the tire with band-like light or line-like light.SOLUTION: An inspection device includes shape recognition means for recognizing a shape of a tire from an image of the tire and detecting a defect candidate of the tire, tire information recognition means for extracting a character from the image of the tire and recognizing tire information including a model number of the tire, reference dimension setting means for acquiring information on a dimension in a specification of the tire based on the recognized model number of the tire, dimension calculation means for calculating a dimension of the defect candidate based on the dimension in the specification of the tire and the shape of the tire, and determination means for determining presence or absence of a defect of the tire based on the dimension of the defect candidate.SELECTED DRAWING: Figure 1

To make it to possible to grasp the manner of how a produced sample should be corrected to improve inspection results, even when at least one or more forms each referred to by a plurality of dimensional tolerances or geometric tolerances are included in three-dimensional model data, and a form exists with which a measured value of a sample created on the basis of the three-dimensional model data is out of the permissible range of tolerance.SOLUTION: A control unit 34 proposes movement of a position of a form for which datum is defined or a form being referred to by a plurality of dimensional tolerances, like the one that improves, as a whole, a plurality of inspection results indicating a relation between a measured value and a permissible range of tolerance or a relation between the measured value and a reference dimension, that is referring to or based on the form of a sample created on the basis of three-dimensional model data.SELECTED DRAWING: Figure 3

The invention discloses an intelligent parameter optimization matching method and system for a spot welding machine based on big data analysis, and relates to the technical field of spot welding machines, and the method comprises the following steps: obtaining a parameter optimization matching layer and a reference dimension factor according to multi-dimensional historical working condition data and a welding quality evaluation result of the spot welding machine; real-time multi-dimensional working condition data and quality grade requirements of the spot welding machine are obtained; performing fusion analysis on the real-time multi-dimensional working condition data and the quality grade requirement to obtain a real-time matching index, a real-time dimension type and a real-time parameter value; generating a real-time matching factor of the fused data according to the real-time matching index; performing comparative analysis on the real-time dimension type and the dimension association type of the parameter optimization matching layer to obtain a target matching layer corresponding to the real-time matching factor; the effect is that stability and consistency of welding quality are guaranteed.

An inspection device includes a shape recognition means for recognizing a shape of a tire from one or more images of the tire and detecting a defect candidate of the tire; and a tire information recognition means for extracting a character from the one or more images of the tire and recognizing tire information including a model number of the tire; a reference dimension setting means for acquiring information about a specification dimension of the tire based on the recognized model number of the tire; a dimension calculation means for calculating a dimension of the defect candidate based on the specification dimension of the tire and the shape of the tire; and a determination means for determining presence or absence of a defect of the tire based on the dimension of the defect candidate.