71results about How to "Improve teaching quality" patented technology

The invention relates to the technical field of education informatization, and discloses a digital teaching resource library intelligent management and application method and system. The method comprises the steps of constructing a digital resource library, constructing a resource application big data analysis model to calculate a resource quality index, a popularity index and an update index, performing intelligent resource sorting and elimination based on the indexes, analyzing the correlation between a user retrieval request and resources, and performing intelligent recommendation. According to the method, efficient management and accurate application of teaching resources are realized, the resource utilization rate and the teaching effect are improved, the storage space and the management cost are saved, and data support is provided for education decision making.

The invention discloses a virtual teaching training method and system based on a large language model and a medium, and the method comprises the following steps: determining preset feature parameters of virtual students according to teaching levels and subject contents; constructing a large language model, generating virtual students based on the large language model according to preset feature parameters of the virtual students, and inputting multi-modal teaching information; the virtual students perform model training and learning on the multi-modal teaching information to generate learning state information and feedback information; the virtual teaching expert proposes a suggestion for dynamically adjusting and optimizing the teaching strategy based on the evaluation result; dynamic learning and interactive feedback are carried out by simulating virtual students with different priori knowledge levels and cognitive competence, and meanwhile, real-time evaluation and personalized improvement suggestions are carried out on the teaching process by utilizing the constructed virtual expert system, so that a user is helped to continuously optimize a teaching strategy, and the teaching quality of a specific subject is improved.

The invention discloses a teaching practical training system and method based on the Internet of Things, and relates to the technical field of teaching management. According to the teaching practical training system and method based on the Internet of Things, the learning behavior data of the students are monitored in real time through the Internet of Things, the learning behavior characteristics of the students are extracted through clustering analysis, and the learning mode is recognized. And according to the learning mode of the student, behavior modes of other students are matched through a collaborative filtering algorithm, and a learning adaptability index is obtained, so that learning resources and task contents are dynamically adjusted. By comprehensively analyzing the learning mode and the adaptability index of the student, the learning progress and resource allocation of the student are coordinated, and the teaching task arrangement is optimized, so that the teaching efficiency and the learning experience of the student are improved. And based on the learning behavior data and the learning mode of the student, establishing an association relationship among the student, the learning resource and the task content through a graph construction algorithm, generating a knowledge graph between the student and the knowledge point, and realizing visual display of the learning state, progress and path.

The invention discloses a student classroom behavior intelligent analysis and judgment system and method, and relates to the technical field of classroom behavior recognition, and the system comprises a data collection and storage module, a behavior analysis module, a monitoring time control module and an after-class feedback module. Through a target recognition algorithm, a labeling technology and a face recognition technology, generating a bounding box of a student position in each second frame image, recognizing a student identity and recording a coordinate range and a name of the corresponding bounding box; a behavior recognition model is constructed through a labeling technology and a key point technology, and corresponding student behaviors are analyzed when different analysis signals are received; monitoring face features of teachers in a classroom through a face recognition technology to adjust a classroom behavior monitoring period; analyzing the number of times and the total number of abnormal behaviors of each student, and carrying out special marking on a specified student; according to the invention, intelligent behavior identification of different types of students and intelligent adjustment of the monitoring period under different conditions are realized.

The embodiment of the invention provides an educational resource data sharing method and system, and the method comprises the steps: distributing a first conference role or a second conference role of a multimedia teaching conference for each conference terminal participating in the conference when the multimedia teaching conference is created, and enabling different conference terminals to be arranged in different classrooms; acquiring educational resource data in real time from the first conference terminal to which the first conference role is allocated; and sharing the educational resource data to a second conference terminal to which the second conference role is allocated, so that the second conference terminal displays the educational resource data. According to the embodiment of the invention, cross-region and cross-school real-time sharing of educational resources is realized, effective utilization and fair distribution of high-quality educational resources are promoted, and balanced development of education and improvement of teaching quality are promoted.

The invention relates to the technical field of medical images, in particular to a nervous system medical image case database construction system based on artificial intelligence, which comprises a nervous system medical image database module, a teaching interactive learning platform module, a user self-test module and a user online examination module. The teaching system truly restores a diagnosis report written in a clinical working environment of a doctor, organically combines book knowledge with clinical practice, can arouse the learning enthusiasm and initiative of imaging medical students and living training users aiming at complex nervous system medical imaging teaching, improves the teaching quality and practical skills, and improves the teaching efficiency. The learning effect is fed back in real time through the computer, rapid fusion of theoretical knowledge and clinical practice is promoted, accurate lesson preparation of teachers is facilitated, a flexible and convenient education mode and an accurate and individualized training mode are achieved, the training process of image resident physicians is accelerated, the teaching efficiency and quality are improved, and the system adapts to a modern teaching mode.

The utility model discloses a machining automation practical training device based on an industrial robot, and the structure of the device comprises a table body table top, a feeding module, a machining module, a polishing module, a positioning tray, a free tray, a detection module, a robot unit, and a carrier, and one side of the top wall of the table body table top is provided with the robot unit. A feeding module, a detecting module, a polishing module and a machining module are arranged on the other side of the top wall of the table top of the table body from left to right corresponding to the robot unit, and a positioning tray used for placing a carrier and a free tray used for placing detected are arranged in the middle of the top wall of the table top of the table body. According to the practical training device, operations such as carrying, processing, polishing, assembling, detecting and storing of workpieces are achieved, a production line of an industrial site is miniaturized, various manufacturing devices serve as practical training objects, the practical training device is closer to actual production, and the practical training effect and teaching quality are improved.

The invention relates to a digital teaching system based on a multi-mode intelligent technology. A teaching end displays digital content through screen equipment; the control end provides a digital classroom control capability for teachers or assistant teachers through mobile equipment; the student end realizes real-time interaction between students and the digital classroom through a mobile device configured with a voice device; the server is configured with an intelligent knowledge base, analyzes classroom data based on an intelligent algorithm and a big data analysis technology, generates a learning path and recommendation resources according to student conditions, processes questions with the help of natural languages, and drives the whole teaching to operate intelligently. According to the invention, classroom interaction intellectualization can be realized, teaching quality can be improved, multidisciplinary knowledge coverage and dynamic adaptation can be realized based on an intelligent knowledge base, modular course design and dynamic interaction are optimized, dialogue type and touch type interaction modes are fused, popularization application of code-free teaching design is supported, and teaching experience is improved. And classroom effect optimization driven by real-time data, enhanced teaching feedback and long-term improvement are facilitated.

The invention discloses an atrial septum puncture training model and method, and belongs to the technical field of medical instruments. The puncture needle is connected with the puncture sheath, the puncture needle is connected with the wire, the binocular camera is connected with the control element and the display screen, the 3D heart model comprises a left atrium, a right atrium, a ventricle, a magnetic iron block and an electromagnetic coil, a port of the 3D heart model is composed of a ferromagnet and three red mark points, and the binocular camera and the white light light source are placed above the 3D heart model. A trumpet-shaped opening and an electromagnet catheter are placed at an ideal puncture point of the 3D heart model and used for simulating the force in the puncture process, and the binocular camera and the puncture point interface are connected with the controller and the screen. By simulating the anatomical structure and physiological environment of a real human body, a safe practice platform capable of being repeatedly operated is provided for medical staff.

The utility model relates to the technical field of geological structure teaching, and discloses a geological structure demonstration device which comprises a vertical cylinder. A through movable channel is formed in the vertical cylinder, a strip-shaped opening communicating with the movable channel is formed in the side face of the vertical cylinder, a plurality of rock-soil storage parts are arranged in the movable channel, and the distance between any two adjacent rock-soil storage parts can be adjusted. Different types of geological soil layer simulation plates are rotationally connected to the side surfaces of the plurality of rock-soil storage parts respectively, and the plurality of geological soil layer simulation plates abut against each other in pairs; different types of rock and soil are respectively stored in the plurality of rock and soil storage parts, and the different types of rock and soil respectively correspond to the corresponding geological soil layer simulation plates. The utility model provides a geologic structure demonstration device, which solves the problem that the characteristics and the formation process of each rock stratum are inconvenient to explain independently.

The invention belongs to the field of artificial intelligence, and relates to a teaching interaction preemptive answer positioning method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a set of video frame sequences and a corresponding mixed audio file; key frames in the set of the video frame sequences are identified, feature extraction is carried out, short-time Fourier transform is carried out on the mixed audio, and then feature extraction is carried out on the audio; performing multi-modal fusion to generate an audio mask; calculating momentum information of continuous video frames and generating momentum embedding, and performing spectrum embedding processing according to the audio mask; a momentum sensing Transform module is input, and sequence information is generated; performing residual fusion to generate a spectrum mask; and generating a visual sound source localization map. The positioning accuracy is improved by multi-modal fusion, the time sequence sensitivity is enhanced by momentum embedding and frequency spectrum embedding, the feature integration is optimized by residual fusion, the intuition is enhanced by a visual sound source positioning graph, the interactivity and interestingness of learning are enhanced, and the teaching efficiency and quality are improved.

The invention discloses a method for dynamically monitoring the psychological health state of college students through side-writing data, and the method comprises the following steps: firstly, carrying out the feature extraction and word vector conversion of the side-writing data and common college student psychological health problems, measuring the similarity of quantized feature words through a clustering method and a cosine distance, and determining a clustering center point; and a K value of clustering is determined. Secondly, according to factors such as social criticality, disease incidence, importance degree and the like, sequencing and weighting the quantized feature words, finally, assigning scores to the extracted features in combination with weights, and setting a quantification standard in a threshold theory;

The invention provides a teaching method and system for progressive AI ethic scene simulation in different learning segments, and the method comprises the steps: constructing a progressive AI ethic scene library in different learning segments according to different scene grades and corresponding task requirements; configuring a scene simulation platform and an AI ethic guidance module; based on the AI ethical scene library, the scene simulation platform and the AI ethical guidance module, progressive scene simulation and real-time task guidance are executed; in the process of executing scene simulation and real-time task guidance, collecting and analyzing multi-modal teaching data in real time; and based on an analysis result, generating a teaching evaluation and personalized promotion scheme. According to the AI ethical teaching system, the practicability and immersion of ethical teaching are improved, large-scale personalized teaching is realized, a scientific and comprehensive literacy evaluation standard is established, a data-driven teaching optimization closed loop is formed, and the AI ethical teaching system based on branch learning, scene simulation and intelligent guidance is constructed.

The utility model belongs to the technical field of teaching models, and particularly relates to a display system for simulating mechanical transmission, which comprises an exhibition stand, a storage pool is arranged on the exhibition stand, and a plurality of conveying pieces are arranged in the storage pool; the conveying device can convey a conveying piece, the conveying device comprises a collecting groove, the collecting groove can collect the conveying piece, the demonstration device is used for demonstrating a conveying mode, the demonstration device comprises an interstellar cannon simulation assembly, and the interstellar cannon simulation assembly comprises a base, a first fan, a direction adjusting mechanism, an interstellar cannon simulation piece, a first operation piece and a target ring. The base is arranged on the storage pool, the interstellar cannon simulation piece is connected with the base through the direction adjusting mechanism, the first fan is arranged in the interstellar cannon simulation piece and is in telecommunication connection with the first operating piece, the first operating piece is arranged on the base, and the target ring is arranged at a notch of the collecting groove. On one hand, the manipulative ability of the user is improved, and on the other hand, the user experience is improved while the teaching quality is improved.

The application relates to the technical field of teaching, and particularly discloses a nursing intelligent teaching auxiliary system and method, which comprises a cloud server, a plurality of teacher terminals and a plurality of student terminals; the cloud server comprises a knowledge base construction module, which is used for acquiring teaching documents of adult nursing science, and establishing structured course knowledge graph data based on the teaching documents; a model construction module, which is used for acquiring a general large language model, and performing field adaptability training on the general model by using the course knowledge graph data, and outputting a special model fused with adult nursing knowledge; a teaching assistant module, which is used for accepting a lesson preparation request of the teacher terminal, inputting the special model, and generating lesson preparation information; and a student assistant module, which is used for receiving an auxiliary request of the student terminal, calling the special model according to the content input by the student, and generating auxiliary teaching content. The technical scheme of the application can meet the learning needs of different students and effectively improve the teaching quality.

The invention discloses a college classroom behavior detection system based on computer vision, relates to the field of computer vision and college intelligent teaching, and solves the problem that it is difficult to create an API in a college intelligent platform to gather non-listening behavior data of each class. The technical problems that Pconv is used for replacing part of convolution in an original algorithm for a possibly-shielded or damaged area of a college classroom picture, and detection of data transmission safety is lacked are solved, and the method comprises the following modules: a system deployment and configuration module used for creating an API in an existing college intelligent platform; the data set making and model training module is used for constructing a computer vision model for the preprocessed data; the real-time detection and data processing module is used for identifying classroom behaviors of students; the data uploading and summarizing module is used for summarizing and counting non-listening behaviors according to the course information; and the privacy protection and security measure module is used for performing encryption processing in the data transmission process.

The application discloses a multifunctional welding comprehensive training system, which splits electrical elements of a welding machine according to functions, places the electrical elements apart from each other, connects the electrical elements according to welding machine electrical working principles, places weak current electrical elements in a weak current area in a welding machine control circuit, places high voltage electrical elements in a high voltage area in a welding machine primary circuit, and places low voltage electrical elements in a low voltage area in a welding machine secondary circuit, wherein the weak current area, the high voltage area and the low voltage area are three separated areas. By setting an equipment frame, each electrical element can be installed separately, and an observation window is used, so that the whole welding system becomes visualized, has high safety, students can intuitively and closely understand and learn internal structures of the welding system and working states of each element in a welding process, lays a sufficient knowledge accumulation for students to understand welding machine circuits and subsequent work, and promotes material discipline professional construction.

The utility model discloses a direct-current stabilized power supply principle decomposition teaching aid, belongs to the technical field of teaching aids, and aims to solve the problem that the teaching of a decomposed direct-current stabilized power supply is inconvenient due to the fact that the decomposed direct-current stabilized power supply has more spare and accessory parts, and a teaching aid for fixing a plurality of the spare and accessory parts of the direct-current stabilized power supply is lacked at present. Comprising a teaching aid bottom plate, a lifting mechanism is arranged on one side of the teaching aid bottom plate, and a teaching mechanism is arranged on the surface of the lifting mechanism; the lifting mechanism comprises two hollow rods, one end of each hollow rod is fixedly connected with one surface of the teaching aid bottom plate, the inner wall of each hollow rod is provided with two guide grooves, and the inner wall of each guide groove is slidably connected with a guide block; according to the device, the decomposed stabilized voltage supply spare part is placed between the two U-shaped clamping plates, the U-shaped clamping plates are moved, and the stabilized voltage supply spare part is limited and fixed by the U-shaped clamping plates, so that fixation of the decomposed stabilized voltage supply spare part is conveniently realized, and the convenience in subsequent teaching is effectively improved.

A multi-modal teaching device for English teaching disclosed by the present invention comprises an upper frame plate, the front side of the upper frame plate is connected with a display screen, the lower part of the display screen is provided with a teaching writing area, the lower part of the upper frame plate is fixedly connected with a lower frame plate, the lower frame plate is provided with a transparent writing area, and the lower frame plate is fixedly connected with the display screen. A blackboard eraser is connected to the front side of the transparent writing area, an iron plate is embedded in the blackboard eraser, and a magnetic attraction plate is arranged on the rear side of the transparent writing area. The intelligent writing board is provided with the transparent writing area, the camera mounting frame is arranged on the rear side of the transparent writing area, the camera is arranged on the front side of the camera mounting frame, the camera mounting frame and the magnetic attraction plate are driven by the driving device to move, and intelligent identification and recording of writing of students are achieved by arranging the transparent writing area and the camera. And the camera can shoot the written content in real time, and the written content is identified and analyzed through an image processing technology.

The embodiment of the invention provides a data processing method and device. The data processing method comprises the steps of actively obtaining user attribute data and historical learning data of a target user in response to a login operation of logging in a learning application program by the target user; and selecting target question data from the historical learning data, and constructing user description data based on the teaching prompt data, the target question data and the user attribute data. And inputting the user description data into the auxiliary learning model to obtain auxiliary learning data, and pushing the auxiliary learning data to the target user through the learning application program. When it is detected that the target user logs in the learning application program, the user attribute data and the historical learning data of the target user are actively obtained, through analysis of the user attribute data and the historical learning data, teaching is actively initiated to the target user, the target user is supervised and urged to learn, the teaching quality is improved, and leakage checking and vacancy filling are achieved; and the target user can better master the knowledge to be learned.

The utility model discloses an automobile engine teaching rack, and specifically relates to the teaching rack technology field, the automobile engine teaching rack comprises a support frame, an engine fixing rack used for placing an automobile engine is arranged in the support frame, the engine fixing rack is connected with the support frame through a connecting assembly, the connecting assembly comprises two connecting plates, and the connecting plates are connected with the support frame. The two connecting plates are connected with the supporting frame and the engine fixing frame through bolts, and a detection assembly used for detecting an automobile engine is arranged at the top end of the supporting frame. According to the utility model, the engine fixing function and the circuit system detection function are integrated, and the teaching quality and efficiency are improved.

A multi-functional circumferential angle demonstrator includes a demonstration panel with an annular groove. The demonstrator is characterized by: at least three circumferential sliders slidably disposed within the annular groove; a first protractor rotatably mounted on at least one of the three sliders; and each slider being plugged into and connected to the annular groove. An assembly hole is located at the center of the annular groove; a central slider rotatably disposed within the assembly hole; and a second protractor rotatably mounted on the central slider. The central slider is plugged into and connected to the assembly hole, and the diameter of the assembly hole is equal to the width of the annular groove. An elastic rope is fitted between the central slider and the circumferential sliders. This invention features a simple structure, reasonable design, convenient use, multiple uses, good dynamic demonstration effect, and low cost. It can improve teaching efficiency and quality and is beneficial for promotion and use.

The invention provides a three-dimensional model construction method for VR teaching of a power transformer withstand voltage test, and the method comprises the steps: firstly collecting and layering data of power transformer withstand voltage test equipment, and constructing a multi-sense three-dimensional basic model; then, a URP real-time illumination rendering system is built in a Unity engine, and material parameters are assigned in a layered mode; carrying out lightweight processing and frame rate adaptation; and finally, integrating a teaching function, developing a fault simulation script, recording operation data through an association algorithm to generate feedback, and forming a teaching closed loop. According to the method, a multi-sense three-dimensional model is constructed by using a hierarchical algorithm, a URP system is established in a Unity engine, and differentiated materials are assigned, so that the problems of traditional teaching detail display and scene experience are solved, and the knowledge transmission efficiency and immersion are improved; and meanwhile, the smoothness is guaranteed through a lightweight and frame rate verification algorithm, teaching resources and an evaluation algorithm are integrated to form a closed loop, the VR teaching adaptation and feedback problems are solved, and the teaching practicability and quality are improved.

This utility model discloses a photolithography principle demonstration device, comprising: an outer frame including a frame and multiple baffles; a lighting system including an ultraviolet lamp group and a lens group, the lens group being disposed below the ultraviolet lamp group; an imaging system including an optical lens and a photomask, the photomask being disposed between the optical lens and the lens group; a focusing system including a power module, a moving module, and a support platform, the support platform being connected to the moving module and located below the optical lens, the power module being connected to the moving module and capable of driving it to move up and down, thereby causing the support platform to move along the optical axis of the optical lens; a power supply module connected to the lighting system and the power module; and a control module connected to the lighting system, the power module, and the power supply module. This utility model is applicable to teaching demonstrations of photolithography processes.

The embodiment of the invention provides a wisdom education system, and belongs to the technical field of wisdom education. The system comprises an exception analysis module which analyzes first behavior data to obtain a first exceptional behavior and an exceptional position of the first exceptional behavior; the data obtaining module obtains adjacent behavior data from the first behavior data according to the abnormal position; the behavior prediction module performs behavior reconstruction according to the adjacent behavior data to obtain a target prediction behavior; the exception screening module screens out a second exception behavior according to the target prediction behavior and the first exception behavior; the exception classification module performs classification according to the second exception behavior to obtain an exception type; the exception determination module determines a target exception behavior according to the exception type, and obtains an associated teaching text of the target exception behavior from the initial teaching text; the preference identification module analyzes the second behavior data to obtain a target behavior preference; and the data adjustment module adjusts the associated teaching text according to the target abnormal behavior and the target behavior preference to obtain a target teaching text.

The invention discloses a PACS-based flipping classroom teaching system and an implementation method thereof, and belongs to the technical field of online interactive courses. On the basis of PACS, a flipping classroom teaching system is constructed, the flipping classroom teaching system comprises a teacher terminal and student terminals, and the teacher terminal is responsible for accurate teaching preparation; the student end records the learning process, provides an evaluation system based on learning behaviors and example score data, and subdivides the evaluation system into a plurality of single indexes, so that the multi-dimensional evaluation mode can more comprehensively reflect the learning condition of the student, and powerful support is provided for formulating a consolidation scheme. According to the invention, comprehensive coverage and personalized customization of the teaching process are realized, and the teaching efficiency and effect are improved.

The utility model relates to a desk type multi-simple-pendulum physical cycle demonstration instrument, belonging to the teaching demonstration equipment technical field, the desk type multi-simple-pendulum physical cycle demonstration instrument comprises a main body frame, a push plate, adjusting devices and pendulum balls, the push plate is arranged at the bottom of the main body frame, the plurality of adjusting devices are uniformly arranged at the top of the main body frame along the transverse direction at intervals, and the pendulum balls are arranged on the push plate. By adopting the structure, the pendulum length of each pendulum ball is accurately adjusted through the adjusting devices, and then the push plate is used for driving all the pendulum balls to synchronously start simple pendulum motion, so that the relationship between the simple pendulum period and the pendulum length can be intuitively understood; and the interaction and periodic change of the multi-simple-pendulum system in the swinging process provide powerful support for physics teaching, and the teaching quality and the learning effect of students are improved.

The invention relates to the technical field of artificial intelligence, and provides an interactive teaching method and device, equipment, a storage medium and a program product. The method comprises the steps of creating a dynamic thinking map of a user based on a to-be-answered question; receiving an input text of a user; inputting the dynamic thinking map, the input text and the historical dialogue of the user into a large language model to obtain a real-time thinking map; selecting a target teaching strategy from a plurality of teaching strategies based on the real-time thinking map; inputting the target teaching strategy, the input text, the historical dialogue and the real-time thinking map into a large language model to obtain a teaching reply text; and taking the real-time thinking map as a dynamic thinking map, and returning to the step of receiving the input text of the user until the user successfully solves the question to be answered. Through the above mode, the method can comply with the actual thinking condition of the user in the problem solving process, dynamically provides reasonable teaching guidance for the user according to the real-time thinking map in the problem solving process of the user, and is beneficial to improving the teaching quality of interactive teaching.

The present invention relates to the field of learning management technology, specifically a preschool smart classroom management system based on big data, the system includes: a classroom behavior analysis module, which collects preschool classroom video stream data, extracts image sequences to analyze image features, calculates and obtains time series of features and image frames, combines and classifies feature sequences to determine student behavior labels, and combines labels and image frames to generate classroom behavior feature data. In the present invention, based on the spatial distribution parameters generated by location points and activity frequencies, the heat distribution of classroom activities in space is accurately quantified through frequency classification and location parameter processing, and spatial visualization of classroom activities is achieved, which facilitates teachers to make scene decisions based on classroom dynamics. By comparing time series and activity heat maps, the participation distribution is refined, so that teachers can obtain student participation data with more time period and location details, thereby adjusting teaching strategies and achieving personalized teaching.

The present application relates to the field of teaching video generation, in particular to a kind of teaching video automatic generation method and terminal, and the content extraction is carried out to target PPT file, and content optimization is carried out in combination with large language model technology and RAG technology;Utilize third party large language model to learn digital person animation module parameter rule, generate first edition animation parameter file and new speech script based on the optimized target PPT file;Transcribe voice file according to speech script using TTS technology, synchronously generate timestamp and subtitle file, and integrate first edition animation parameter file and speech script to generate second edition animation parameter file;Build the mapping relationship of speech script and the page in target PPT file, generate image frame, voice file generates mouth shape animation file, and render to obtain first animation file;Final animation rendering is completed by first animation file in combination with second edition animation parameter file, and teaching video is output;It can effectively improve teaching quality and interactivity.