18 results about "Digital reproduction" patented technology

The invention provides a sea area digital twinning method and system based on buoy and station data fusion, belongs to the related technical field of sea area digital twinning, and establishes a data quality evaluation mechanism and a similarity data compression mechanism by constructing a multi-source heterogeneous ocean data acquisition system. Intelligent fusion processing of buoy data and station data is achieved, and the problem that in the prior art, the data fusion precision is low is solved; through the self-organizing growth network structure of the ocean dynamic response enhancement model, neuron connection can be automatically adjusted according to the spatial-temporal variation degree of training data, an optimal topological structure is formed, and the defect that a traditional fixed parameter model cannot adaptively process a complex ocean environment is effectively overcome; by establishing a dynamic parameter adjustment mechanism and a multi-algorithm adaptive switching strategy, the most suitable prediction algorithm is automatically selected according to the correlation characteristics of the ocean data sequence, and high-precision digital reproduction of the complex ocean environment is realized.

The invention discloses a method and system for optimizing structural parameters of an embedded electric energy metering box, and belongs to the technical field of parameter optimizing.The method comprises the steps that harmonic current characteristics and mechanical vibration characteristics generated by stacking interfaces in the working process in the embedded electric energy metering box with communication interruption are obtained; constructing a failure process digital reproduction and evaluation model, taking harmonic current characteristics and mechanical vibration characteristics as model input, and outputting a contact resistance growth rate; based on a genetic algorithm, optimizing the failure process digital reproduction and evaluation model by taking the minimum contact resistance growth rate as a target; and taking the structure parameter of the embedded electric energy metering box corresponding to the minimum contact resistance growth rate as an optimization result of the structure parameter of the embedded electric energy metering box. According to the invention, the structure and material parameter combination capable of minimizing the increase rate of the contact resistance of the interface can be systematically found, so that the vicious circle of the failure process is inhibited from the source, and the long-term physical connection stability of a data communication link is guaranteed.

The application discloses an embedded electric energy metering box structure parameter optimization method and system, and belongs to the technical field of parameter optimization. The method obtains harmonic current characteristics and mechanical vibration characteristics generated by a stacking interface in the working process of an embedded electric energy metering box with communication interruption. A failure process digital reproduction and evaluation model is constructed, the harmonic current characteristics and the mechanical vibration characteristics are taken as model inputs, and a contact resistance growth rate is output. Based on a genetic algorithm, the failure process digital reproduction and evaluation model is optimized with the minimum contact resistance growth rate as the target. The embedded electric energy metering box structure parameters corresponding to the minimum contact resistance growth rate are taken as the embedded electric energy metering box structure parameter optimization result. Through the application, the structure and material parameter combination that can minimize the interface contact resistance growth rate can be systematically found, so that the vicious cycle of the failure process is inhibited at the source, and the long-term physical connection stability of the data communication link is ensured.

The application provides a sea area digital twin method and system based on buoy and station data fusion, belongs to the related technical field of sea area digital twin, through constructing a multi-source heterogeneous marine data acquisition system, establishing a data quality evaluation mechanism and a similarity data compression mechanism, realizing intelligent fusion processing of buoy data and station data, solving the problem of low data fusion precision in traditional technology; through the self-organizing growth network structure of the marine dynamic response enhancement model, the neuron connection can be automatically adjusted according to the spatio-temporal variation degree of the training data, forming an optimal topological structure, effectively solving the defect that the traditional fixed parameter model cannot adaptively process complex marine environment; through the establishment of a dynamic parameter adjustment mechanism and a multi-algorithm adaptive switching strategy, the most suitable prediction algorithm is automatically selected according to the correlation characteristics of the marine data sequence, realizing high-precision digital reproduction of complex marine environment.

The invention relates to the technical field of digital cultural heritage protection, in particular to an ancient musical instrument digital duplicating method based on an acoustic modeling and 3D printing technology, which comprises the following steps: synchronously executing geometric structure data acquisition and acoustic characteristic data acquisition on an ancient musical instrument body to be duplicated; constructing a parameterized physical acoustic model based on the acoustic characteristic data; preparing a physical entity copy of the ancient musical instrument through an additive manufacturing technology by utilizing the geometric structure data; carrying out acoustic characteristic data acquisition on the physical entity copy to obtain an acoustic response of the physical entity copy; and carrying out comparative analysis on the acoustic response of the copy, the acoustic response of the original musical instrument body and the output of the physical acoustic model, and carrying out iterative optimization. Through a multi-dimensional data collaborative acquisition mechanism and a sound-shape fusion verification and iteration calibration process, high-precision digital reproduction of shape, sound and playing integration is realized, and the problem of shape and acoustic data separation in the background technology is solved.

The invention relates to the field of musical instruments, and particularly discloses an intelligent electroacoustic dulcimer which comprises a dulcimer body. A plurality of piezoelectric sensors which are installed at the positions of knocking points on the dulcimer body and are used for sensing bamboo hammer knocking and generating electric signals; the internal chip is connected with the piezoelectric sensor and is used for receiving and processing the electric signal; the sounder is connected with the internal chip and is used for making a sound according to the processed signal; the display screen is installed on the dulcimer body and used for displaying the dulcimer type, the music score and the dynamic teaching auxiliary information; according to the invention, the combination of the PVDF film piezoelectric sensor and the DSP is adopted, so that the signal acquisition precision and the tone reduction degree are greatly improved, and the high-fidelity digital reproduction of the tone of the traditional dulcimer is realized; the unique trapezoidal dulcimer body design is combined with the modular function system, so that the instrument not only keeps the playing hand feeling of a traditional dulcimer, but also has abundant functions of a modern electronic instrument, such as multi-tone switching, automatic accompaniment and the like, and the playing expressive force is greatly expanded.

The present disclosure relates to a surgical digital reproduction and assistance system (1) for time-dependent transmission of a surgical operation at a patient (P) or for virtual training or evaluation of a surgical operation at a patient (P), having a central data information system (2), at least one first data modality (6) and a second data modality (8), which is different from the first data modality (6), are stored or at least temporarily stored therein, both the first data modality (6) and the second data modality (8) having at least one position specification with respect to a unified common coordinate system (10) of the patient (P), the invention relates to a method for operating a display device, in particular a display device, comprising: a view creation unit (14) for creating a view to a display device (16); and a display device (16) for displaying the view, the view creation unit (14) being arranged on the display device (16). The view creation unit is adapted to generate, digitally provide, a visual view (18) having the first data modality (6) and the second data modality (8) at a preset time, based on a user preset (16) having at least one preset time, and at least one visual user interface (20), the created view (18) is digitally transmitted to the visual user interface and is output and displayed to the user by means of a presentation device (22) in order to evaluate, in particular, a surgical phase or to select a recorded section of the surgery and to reproduce at least the first and second data modalities in a spatially and temporally synchronized mode. Furthermore, the present disclosure relates to a synchronous recording method according to the paralleling claims as well as a computer-readable storage medium and a computer program.

The invention discloses a digital reproduction verification method and system for disassembly and assembly of power plant equipment, and relates to the related technical field of power plant equipment verification, and the method comprises the steps: scanning an entity three-dimensional model of target power plant equipment, and carrying out the disassembly and assembly analysis according to a power industry standard; building a power plant disassembly and assembly environment, and importing the equipment-part-process three-level correlation model to carry out disassembly and assembly path analysis; performing principle specification matching according to an equipment disassembly and assembly process path to obtain a disassembly and assembly path matching instruction, and converting the disassembly and assembly path matching instruction into disassembly and assembly path interaction voice; and carrying out digital disassembly and assembly reproduction and maintenance track verification on the entity three-dimensional model based on the equipment disassembly and assembly process path and the disassembly and assembly path interaction voice. The technical problems of poor accuracy, safety and efficiency of power plant equipment disassembly and assembly caused by lack of voice interaction support and real-time verification capability and insufficient standardization of equipment disassembly and assembly in the prior art are solved, and the technical effects of standard intelligent equipment disassembly and assembly and improvement of the standardization, operation safety and maintenance efficiency of power plant equipment disassembly and assembly are achieved.

The application provides an underwater intelligent digital twin system based on Unity-Qt-ROS and an implementation method thereof, comprising: a physical entity module: based on an AUV physical prototype and real physical sensors carried thereon, real data of a real world is captured to realize mapping of a physical space to a digital space; a digital space module: a digital mapping body and a digital native body; the digital mapping body is a digital reproduction of the physical entity; the digital native body comprises a digital native scene and a digital native sensor; a human-computer interaction module: a target task is obtained through a graphical user interface, a plurality of subtasks are obtained by decomposing the target task by using a function service module, and each subtask is transmitted to the digital space module and / or the physical entity module for execution; in the execution process, real-time data interaction and state synchronization are realized through a message passing mechanism between the digital space module and the physical entity module, so that real-time interaction from the digital space to the physical entity is completed.

The invention discloses a cultural heritage digital reproduction display method and system, and relates to the technical field of cultural protection. Comprising the following steps: acquiring multi-modal original data and historical background information, extracting standardized feature parameters and constructing an association mapping rule, constructing a three-dimensional dynamic animation scene and binding to generate a multi-sensory collaborative interaction model, acquiring user personalized sensory sensitivity data and calibrating model output parameters, and when interactive operation is detected, triggering the model to output multi-sensory feedback, collecting feedback data, evaluating and iteratively optimizing the model. Through multi-modal data acquisition, three-dimensional dynamic animation scene construction and multi-sense collaborative interaction, the limitation of traditional visual single display is broken through, the user can perceive the characteristics and connotation of the cultural heritage through multiple dimensions of vision, listening, touching and smelling, the emotional resonance and cognition depth of the user to the cultural heritage are enhanced, and the user experience is improved. The problems of inaccurate cultural information transmission and weak experience in traditional display are effectively solved, and active inheritance of cultural heritage is assisted.

The invention discloses practical training teaching equipment and a teaching system thereof, and belongs to the technical field of computer practical training teaching, and the practical training teaching equipment comprises a practical training teaching platform, a practical training platform is arranged around the practical training teaching platform, the practical training teaching platform is provided with a pushing assembly for pushing demonstration finished products and practical training auxiliary equipment to the practical training platform, and the practical training teaching platform is internally provided with a practical training exhibition platform. The practical training exhibition stand is provided with a wiring standard detection assembly for detecting practical training results of computer hardware plug wires of students. According to the invention, the wiring standard detection assembly is matched with the detection driving assembly, a wire storage box trigger type timer sequence is integrated, time-space coding of a timestamp and an operation sequence is carried out on a wire taking action, a digital twinborn model of a student cognitive path is constructed, and full-process digital reproduction of wiring operation is realized. Therefore, a teacher can improve the mastering degree of the practical training process through the recorded data of the trigger type timer, and more accurate solutions are provided for trainees.

System for order-receipt processing of an eyeglass lens, including: a receiver configured to receive order data of eyeglass lens, to store a catalog of eyeglass lens classes, which each are defined by a fixed number of predetermined and freely selectable order parameters and differ from each other in the number of freely selectable order parameters, and to classify the order data on the basis of the catalog of eyeglass lens classes, a processor configured to process the order data, to store only the highest eyeglass lens classes of the catalog of eyeglass lens classes, to select one of the highest eyeglass lens classes, to match the order data to the selected highest eyeglass lens class, to generate a respective digital reproduction of the eyeglass lens based on a calculation model and the adapted order data, and a communication device connecting the receiver and the processor.

This disclosure presents a method and system for baggage handling and / or check-in processing for return passengers. After completion of a leg of the passenger's travel with the mobile carrier, the process includes electronically capturing, by at least one electronic capture device, an origin hardcopy bag tag identifier (OP-BTI) printed on an origin printed bag tag from the mobile carrier on the baggage to create a digital BTI data record linked to the mobile carrier. The method includes accessing the passenger's origin printed bag tag information entered in a manifest file. The method includes printing, by a printing device, an International Air Transport Association (IATA) bag tag for the return travel leg for the return flight linked to the origin printed bag tag.

The invention belongs to the technical field of digital cultural heritage protection, and discloses a deep learning-based non-abandoned skill motion capture and digital reproduction method, which comprises the following steps of: obtaining original motion data and carrying out multi-modal fusion on the original motion data to obtain fused motion data; constructing a three-level action characteristic spectrum based on the fused action data, and constructing a fine action key frame sequence for a characteristic sequence in a fine operation layer in the three-level action characteristic spectrum; the key frame sequence is optimized in combination with time continuity and space coordination constraint, and enhanced action feature representation is obtained; semantic annotation and digital action reconstruction are carried out on the enhanced action feature representation; according to the method, the fidelity of skill details and the interpretability of cultural semantics are remarkably improved, and high-quality technical support is provided for non-abandoned inheritance and digital protection.

The invention relates to the technical field of image processing, in particular to an artificial intelligence-assisted cultural relic digital reproduction system and method, and the system comprises a high-resolution image collection module, a microscopic optical feature simulation module, a texture feature extraction module, a self-matching deep learning denoising module and a detail enhancement and optimization module. According to the method, surface textures and reflection characteristics of the cultural relics are accurately captured through high-resolution image acquisition, it is ensured that image data truly reflect surface details of the cultural relics, more comprehensive optical information is provided by recording reflection intensities under different illumination conditions, simulation of reflection and scattering effects is improved, interference is effectively reduced in the noise removal process, and the method is suitable for popularization and application. The details of the surface of the cultural relic are reserved, accurate reduction, enhancement and optimization of the image details are ensured, the sense of reality of the surface of the cultural relic is more stereoscopic, the image quality and precision are improved through overall processing, reliable data support is provided for digital reproduction of the cultural relic, and improvement of cultural relic protection and display effects is further promoted.

The invention relates to the technical field of geotechnical engineering and geological disasters, and discloses a test method for realizing distribution of a three-dimensional complex structural plane of a dangerous rock body by adopting a 3D printing technology, and the method comprises the following steps: S1, obtaining multi-source detection data of the dangerous rock body, including external three-dimensional point cloud data, drilling revealing structural plane data and transient electromagnetic method inversion data; and S2, geological interpretation is carried out on the transient electromagnetic method inversion data based on the borehole revealed structural plane data, geological attributes of the hidden structural plane are deduced, and all data are fused to construct a three-dimensional digital model containing structural plane geometric information and deduced geological attributes. According to the method, through multi-source data fusion and geological intelligent explanation, a three-dimensional digital model containing hidden structural plane attribute inference is constructed, and high-precision and full-space digital representation of a dangerous rock mass complex structural plane system is achieved.

This application discloses a parametric modeling method, electronic device, and storage medium for helical ribbon chips, applicable to the fields of metal cutting and digital modeling technology. The method includes: scanning the helical ribbon chip to obtain a three-dimensional chip model; acquiring the geometric parameters of the three-dimensional chip model; based on the geometric parameters, constructing a first boundary parameter equation and a second boundary parameter equation for the three-dimensional chip model, where the first and second boundaries are two opposite boundaries of the three-dimensional chip model along the width direction; and based on the first and second boundary parameter equations, constructing a parametric model corresponding to the three-dimensional chip model. This allows for an accurate description of the complex spatial structure of the helical ribbon chip, achieving high-precision digital reproduction of the helical ribbon chip morphology, and thus providing a reliable analytical basis for optimizing cutting processes.

The invention discloses a digital twinning-based data-driven non-missing virtual interactive inheritance method, and belongs to the field of data processing. The method comprises the following steps: synchronously acquiring multi-source data in a non-perpetual technology inheritance process through an acquisition device, processing the data, and generating a multi-modal data set with a unified time reference; establishing a digital twin model based on the data set, including a dynamic motion data model, a process interaction data model and a scene data model, and establishing a dynamic coupling relationship among the three models according to a time index and a data association rule; analyzing the action sequence and the process logic of the digital twinborn model, extracting an operation unit and a dependency relationship, and constructing a data relationship structure for representing a technical inheritance process; and driving the virtual simulation environment to generate an interactive simulation sequence according to the data relation structure, thereby realizing virtual reproduction consistent with a real skill process. According to the invention, through multi-modal data modeling and dynamic coupling, the digital reproduction precision and process consistency of the non-perpetual art are improved.