1475results about How to "Improve teaching effect" patented technology

The invention provides an augmented-reality-based three-dimensional interactive learning system and an augmented-reality-based three-dimensional interactive learning method. The system comprises an information processing device, a photographic device, a display device and at least one physical teaching aid, wherein the physical teaching aid is provided with identification information; the photographic device is used for performing video acquisition on a real environment after augmented reality application is started; and the information processing device comprises an identification module for identifying the identification information on the physical teaching aid, an orientation calculation module for calculating the spatial orientation information of the physical teaching aid, and a three-dimensional rendering module for acquiring a three-dimensional model corresponding to the identification information, rendering and generating a corresponding virtual object, and placing the virtual object at a corresponding position in a video image for display according to the spatial orientation information of the physical teaching aid. According to the system and the method, the real environment and the virtual object are overlapped in the same scenario in real time, so that a more vivid sensory experience is provided for a user, and meanwhile, a teaching effect is improved by utilizing the instinct of a person for the recognition of a three-dimensional space.

The invention provides a student state determination method, device and system. The method is applied to an online network teaching scene. A student side terminal of a network is equipped with a modality acquisition apparatus. The modality acquisition apparatus comprises a camera, an eye tracker and a body feeling instrument. The method comprises the following steps: obtaining data collected by the modality acquisition apparatus through the student side terminal, the data comprising expression data collected by the camera, eye data collected by the eye tracker and body state data collected by the body feeling instrument; based on image recognition technology, carrying out analysis processing on the expression data and the eye data to obtain emotion state information and fatigue and concentration degree state information of each student; and carrying out joint analysis on the body state data, the emotion state information and the fatigue and concentration degree state information to obtain state information of each student, wherein the state information comprises a high attention state, a low attention state and a dependence attention state. The student state determination method, device and system help teachers to know the learning state of each student clearly in network teaching.

The invention discloses an electronic assignment system and method allowing for automatic distributing, receiving, marking and counting. Firstly questions are selected from an electronic question bank by a teacher terminal, the questions are edited to form electronic assignment files, the electronic assignment files are sent to student terminals; then the electronic assignment files are received and completed by the student terminals, and the completed electronic assignment files are sent to the teacher terminal; and finally the received and completed electronic assignment files are marked by the teacher terminal, and counting is performed according to marking results. By the aid of the electronic assignment system and method, automatic distributing, receiving, marking and counting of the electronic assignments are realized, the existing efficiency problem of the electronic assignment is resolved, teaching load can be reduced, an electrical teaching system is optimized, and teaching effect is improved.

A marine simulator used for marine teaching consists of ship movement mathematic model, simulated driving desk, equipment and visual scene system. it is featured as using microcomputer group as base and applying distributed interactive simulation, computer imaging, stereo visual, geometric calibration and edge merging techniques as well as setting visual scene system on both master ship and sub-ship to make six-freedom high accuracy teaching mode to be all-task marine simulator. Its development platform system is also disclosed.

The invention provides an online education system and method. The online education system comprises a teacher operation subsystem, a student service subsystem, a curriculum sale subsystem, a teachingservice subsystem, a teaching subsystem and the like. The online education method including steps of teacher information collecting, student information collecting, information matching, curriculum trial, curriculum sales, training plan starting, teaching effect tracking and the like. Via the online teaching mode, teachers and students are avoided from spending time in traffics, and students havemore selections; the multi-window online education system enables more convenient real-time interaction between the students and teachers; and the education system can track the teaching process and effect, the students and teachers can know the learning conditions better and make targeted improvement, and a multi-flow K12 service closed-loop system capable of improvement according to feedback isrealized.

The invention provides an interaction teaching system. The interaction teaching system comprises a management center service end for management maintenance, a student client for registration of a student, a teacher client for registration of a teacher, and a server connected with the management center service end, the student client and the teacher client through a network. The system provided by the invention is simple and convenient to operate, the student can learn autonomously, the initiative of the student is improved, the student can timely carry out interactive exchange with the teacher and other students, at the same time, parents can also visually know the learning condition and the state of their child, and the teaching effect is improved.

The invention discloses a cloud teaching system for multitask mixed-type precision teaching. A cloud server stores various types of teaching resources. A teacher terminal extracts the teaching resources in the cloud server, carries out the editing and integration to form a teaching plan or exercises, and transmitting the teaching plan or the exercises to the cloud server. Meanwhile, the teaching terminal can set a corresponding access authority. A student terminal visits the cloud server through a personal authority, downloads, looks up or edits the exercises and feeds back data to the cloud server. The teacher terminal carries out the consulting, corrects subjective items and looks up the feedback data in real time. Based on a cloud platform, the system optimizes the lesson preparation in a mode of multi-template import according to a task-driven teaching idea, enables the electronic terminal teaching and the conventional classroom teaching to be organically integrated through combining the preview, classroom teaching, post-class review, assignment accomplishing, and assignment setting and correcting, forms a mixed teaching mode, is used for multistage teaching organizations: students, groups and classes, and achieves the leveled precision teaching structure.

The invention discloses a teaching system. The teaching system comprises a teacher terminal suitable to receive teaching contents configured by teachers and send the teaching contents which are configured in one or more modes of uploading voices, pictures, videos and texts, and a student terminal which is in communication connection with the teacher terminal and is suitable to receive homework contents written by students and send the homework contents to the teacher terminal. According to the technical scheme, the teaching efficiency and the teaching effect of the teaching system are improved.

The invention belongs to the technical field of artificial intelligence, and provides a teaching method based on the AR (augmented reality) technology, a cloud service platform and a teaching system,wherein the method comprises the steps: transmitting structured knowledge contents to a physical robot and a user terminal based on a knowledge map; receiving image information and voice information,collected by the physical robot, of a real scene, respectively performing facial expression recognition and voice emotion recognition of the image information and the voice information, and acquiringfacial expression information and voice emotion information; performing the fusion calculation of the facial expression information and the voice emotion information to obtain real emotion informationof a user; adjusting the knowledge contents presented to the user in real time according to the real emotion information of the user, thereby solving a technical problem of a poor teaching effect ofthe robot in the prior art.

The invention discloses a link mechanism based multifunctional teaching aid which comprises a main teaching aid driving mechanism, a slider speed describing mechanism, a cam curve describing mechanism, a link speed describing mechanism and a motion certainty analysis mechanism, the main teaching aid driving mechanism, the slider speed describing mechanism and the cam curve describing mechanism are arranged on a main teaching aid support, and the main teaching aid support comprises a horizontal base plate and a rectangular frame fixed on one side of the horizontal base plate. Knowledge points of various mechanical principles are represented through a plurality of link mechanisms arranged on the main teaching support, teaching effect can be improved, and classroom teaching is enabled to be more targeted and applicable.

The invention discloses an intelligent teaching system comprising multiple teaching terminals. The intelligent teaching system comprises a cloud server, at least two teaching terminals and at least one learning terminal, wherein the cloud server stores teaching data information; the at least two teaching terminals are in network connection with the cloud server; the at least one learning terminal is in network connection with the cloud server and receives teaching information of the teaching terminals. According to the intelligent teaching system comprising the multiple teaching terminals, teaching resources are integrated by the cloud server and issued respectively by the learning terminals, and students can acquire knowledge required to be learnt through the corresponding learning terminals according to demands; besides, the compatibility of access to the teaching data information is improved through browsers.

The invention discloses a formaldehyde-free animal specimen fixed liquid and a preparation method thereof, the formaldehyde-free animal specimen fixed liquid includes the following components: a biocide mildewcide, a protein denaturant, a polyol moisturizing agent and balance of water, and if the biocide mildewcide is in solid state, the mass concentration of the biocide mildewcide is 5-20 g / L, if the biocide mildewcide is liquid, the volume concentration of the biocide mildewcide is 1-2%; the volume concentration of the protein denaturant is 5%-40%; and the volume concentration of the polyol moisturizing agent is 2% to 10%. The formaldehyde-free animal specimen fixed liquid does not contain formaldehyde, and is non-volatile, and harmless to the human body; a fresh animal organ is washed with normal saline, and stored in the fixed liquid, a year later, the organ is not corrupted, free of mildew spot, and free of obvious color and shape change, the fixed liquid color has no obvious change, and the storage effect is good.

The invention discloses a teaching system and method based on learning behavior analysis. The teaching system comprises a teaching server, a teacher terminal and student terminals. The teaching servercomprises a teaching resource server, a knowledge point test server, a question and answer interactive server, a learning behavior data acquisition server, and a learning behavior analysis server anda data visualization server. The learning behavior data acquisition server is used for collecting all kinds of behavior data produced caused by the student terminals visiting the teaching resource server, the knowledge point test server and the question and answer interactive server. The learning behavior analysis server classifies and analyzes all kinds of behavior data collected by the learningbehavior data acquisition server and displays the classification analysis results in the data visualization server. The teaching system and method based on learning behavior analysis acquires all kinds of learning behavior data of students in the learning process in real time, evaluates learning behavior data of each student by multi-dimensional quantification, and dynamically adjusts the teaching content according to the learning behavior analysis result, and a personalized teaching design for students is carried out.

The invention discloses a classroom cloud and education cloud collaborative teaching interaction system comprising an education cloud platform and multiple classroom cloud platforms. The education cloud platform is used for receiving and storing teaching resources and pushing the resources to the classroom cloud platforms according to the preset push rules, and the target classroom cloud to which the resources are pushed and the time requirement at which the resources are pushed are set in the push rules. The classroom cloud platforms are used for receiving the teaching resources pushed by the education cloud platform to be used by local teaching and collecting local resources to be uploaded to the education cloud platform. With application of the classroom cloud and education cloud collaborative teaching interaction system, the education cloud can actively push the resources to the classroom clouds when the network is idle, and teachers can use the teaching resources already pushed to the local for teaching even the network is disconnected or the network is congested in teaching so that effectiveness of classroom teaching under the condition of no network or network delay and congestion can be guaranteed.

The invention discloses a desktop industrial robot teaching system and method based on a wearable device. The teaching system comprises a teaching data obtaining part, a data processing part and an industrial robot; the teaching system obtains eulerian angles at the positions of all sensors on a human body arm so as to calculate the position of the tail end of the arm and the rotating angles of all joints, discrete motion data are subject to coded representation and generalized output, and the continuous arm tail end motion track and the corresponding joint rotating angle are obtained. According to the tail end position, the robot is subject to kinematics inverse solution, multiple sets of inverse solutions are obtained, according to the rotating angles of the corresponding joints, the multiple sets of inverse solutions are evaluated, and an inverse solution nearest to the arm gesture is selected to serve as the robot joint angle. According to the teaching system, teaching can be achieved without a teaching box or dragging of a mechanical arm, teaching of the industrial robot can be achieved only according to normal manual operation, and the teaching efficiency is improved.

The invention discloses a classroom interaction system for a student. The system comprises a first network access device for accessing a classroom network, a first data transmitting device for transmitting data and an answering module for acquiring and outputting answering information of the student. The invention further discloses a classroom interaction system for a teacher. The system comprises a second network access device for accessing the classroom network, a second data receiving device for receiving the data and an answering information display module for displaying the answering information. The systems can increase the participation degree of the student, help the teacher to timely master the learning condition of the student and timely adjust the teaching process according to the specific learning condition, so that improvement of the classroom teaching effect is promoted.

A teaching courseware construction method based on meta-knowledge points includes the steps that when a teacher needs to make courseware, the teacher can have access to a database of a server through a courseware editor on a terminal, and teaching resources of multiple subjects divided with meta-knowledge points as the units are stored in the database; when the courseware editor is started, the teacher can select required teaching resources and generate the courseware through the courseware editor, meanwhile, the newly generated courseware is stored into the database by the server, and other teachers can view the newly generated courseware through terminals and copy the courseware. Through the teaching courseware construction method based on meta-knowledge points, the workloads of teachers are greatly reduced, the courseware can be replenished or improved in time, the teaching method can keep being promoted, and the teaching effect is improved.

The invention discloses a teaching service system and a client, which comprises classroom servers, a load balancing server, a plurality of media servers, and a load controller. The classroom servers are respectively used for establishing classrooms for one or more clients that are managed by the classroom servers. The load balancing server is used for selecting corresponding classroom servers out of all the classroom servers and assigning the corresponding classroom servers to accessed clients based on the load balancing principle. The plurality of media servers are used for transmitting the teaching resource information among the clients that are managed by the classroom servers. The load controller is used for assigning tasks to the plurality of media servers based on the load balancing principle. According to the embodiments of the invention, based on an online client and a system, the remote interactive teaching between teachers and students is realized. The problem in the prior art that the current traditional teaching mode is lack of teaching resources, unequal in the allocation of teaching resources and diversified in regional teacher resources can be successfully solved. Therefore, the personalized teaching requirements of student individuals can be met. The teaching quality is greatly improved, and the learning effect of students is improved.

The invention relates to the technical field of multimedia systems, in particular to an electronic lecturing system. The electronic lecturing system comprises a computer mainframe, a touch control display screen, projection equipment, a projection screen, wherein the touch control display screen and the projection equipment are in data connection with the computer mainframe. According to the electronic lecturing system, the computer mainframe is controlled and information is input by hand through the touch control display screen, and the information is reflected onto the projection screen by the projection equipment in real time, so that paperless lecturing is realized with the adoption of an intelligent multimedia mode. The electronic lecturing system has the advantages as follows: 1, a teacher can completely get rid of blackboard-writing modes with a chalk, an ink pen and the like, and is kept away from the pollution of the traditional chalk powder, and a healthy and neat lecturing and learning environment is created; 2, with the adoption of the touch control display screen, the computer mainframe can be operated visually and conveniently; the teacher can input the information by hand freely in the course of explaining and demonstrating; the input information can be inserted into a lecture file with the real handwriting being reserved, and storage and calling are convenient; and 3, lecturing contents can be transferred in a paperless manner completely, so that low carbon and environmental protection are achieved, and the lecturing effects and the efficiency are improved.

The utility model relates to a nuclear physics experiment simulation system. The nuclear physics experiment simulation system includes a simulated nuclear radiation source, a simulated nuclear radiation detector and a nuclear electronics processing system; the simulated nuclear radiation detector receives simulated nuclear optical pulses emitted by the simulated nuclear radiation source and photomultiplier tube high voltage emitted by the nuclear electronics processing system; and the nuclear electronics processing system receives simulated nuclear voltage pulses which are emitted by the simulated nuclear radiation detector which is electrically connected with the nuclear electronics processing system. According to the nuclear physics experiment simulation system, the simulated nuclear radiation source generates optical pulses with corresponding nuclear radiation characteristics according to different selected nuclear radiation types through utilizing an electronics method so as to simulate a nuclear radiation source; the simulated nuclear radiation detector receives the optical pulses and processes the received optical pulses according to different selected experiment processes so as to generate nuclear physics experiment data, and generates simulated nuclear voltage pulses according to the nuclear physics experiment data; the nuclear physics experiment data can be provided for the subsequent nuclear electronics processing system so as to be analyzed and processed; and the analyzed and processed data can be available for observation and sensation of learners. The nuclear physics experiment simulation system has the advantages of high simulation of nuclear physics experiments, being more approximate to real nuclear physics experiments, excellent experiment effect and favorable teaching effect.

The invention relates to the field of education, in particular to a cloud teaching system. The cloud teaching system comprises following steps that 1) teachers and students log in the teaching system via browsers; 2) an operation server loads teaching interfaces to teacher end browsers, loads student editors, student code operation windows and teaching interfaces to student end browsers, and then loads student lists to the teacher end browsers; 3) teachers can operate the teaching interfaces on the teacher end browsers; 4) students can write codes on the student editors, and display operation results in the student code operation windows; 5) a teacher can click any one of the students in the student lists, the operation server will transmit the student editor and the student code operation window corresponding to the student to the teacher end browser, and the teacher can correct the codes of the students on the teacher end browser. Thus, students can carry out compilation verification on contents that the teacher is explaining and teachers can help students to compile codes in a remote manner, so teaching quality is improved.

The invention discloses a welding robot offline programming system based on a tablet computer, which comprises a system modeling module, a kinematics simulation module, a track planning module, an automatic programming module, a status detection module, and a communication module. The invention further discloses an offline programming method of the offline programming system. The offline programming system provided by the invention has the advantages that compared with the traditional online teaching programming system, the system adopts a human operating interface based on the Linux operating system; highly controllable edit capabilities achieve easy optimization of motions of all axes; an actual working environment is simulated, and arc welding, spot welding and other welding functions of a robot are achieved; special offline and simulation technologies facilitate program optimization, and a completed program can be directly read and adopted by the robot through a wireless network, so that the onsite verification waiting time is shortened, and errors and unnecessary risks are reduced; the cost is low, so that the system is highly acceptable by a vast number of users; the operation is simple and convenient, and the teaching effects are good.

The embodiment of the invention relates to a multifunctional teaching system. The multifunctional teaching system comprises electronic display equipment, teaching terminal equipment, learning terminalequipment, recording equipment and environmental control equipment, wherein the electronic display equipment is used for acquiring corresponding class information, teacher information and subject information in a course planning list according to classroom ID and current time information, and displaying the information; the teaching terminal equipment comprises a teaching control terminal and a display terminal; the teaching control terminal comprises a receiving unit and a processing unit; the processing unit is used for invoking a corresponding teaching file according to a file invoking instruction, and sending the teaching file to the display terminal; the display terminal is used for displaying the teaching file; the learning terminal equipment is connected with the teaching terminalequipment through network and comprises a learning control terminal and VR display equipment; the recording equipment is used for receiving a recording instruction sent by the teaching terminal equipment and recording a classroom to generate visual classroom data; the environmental control equipment is connected to a curtain control unit, a light control unit and an air conditioner control unit ina classroom.

The invention provides a multimedia question-answering system and method based on an intelligent mobile terminal. The method includes: presetting a business server and a multimedia data storage computing server; allowing a user to log in on the business server through the intelligent mobile terminal, and setting user labels; acquiring question list data of all questions containing the user labels from the business server through the intelligent mobile terminal when the questions needs to be checked, and checking the required questions to obtain related multimedia data for playing; allowing the user to select the user labels from the business server through the intelligent mobile terminal when questions need to be established or answering is needed, allowing the user to upload related multimedia data and the user labels to the multimedia data storage computing server. By the method, the questions can be answered in a multimedia data manner, the questions can be categorized and presented to the user according to the user labels, repeated utilization rate of the questions can be increased, and full knowledge sharing is realized.

The invention discloses a child teaching method and device orienting to an intelligent robot, belongs to the technical field of robots, and solves technical problems that a child teaching function of the existing intelligent robot has multiple deficiencies, resulting in relatively poor user experience. The child teaching method orienting to the intelligent robot comprises the steps: obtaining multimode input data; confirming teaching indication information existing in the multimode input data; obtaining teaching objects according to the teaching indication information; generating multimode output data according to the teaching objects, and outputting the data.

The invention relates to a method used for displaying a geometrical characteristic of a graph in an electronic whiteboard, and belongs to the technical field of graphic processing. The method comprises the following steps of: according to the shifting track of an input device of the electronic whiteboard, drawing a geometrical figure selected by the input device on a drawing region of the electronic whiteboard; and invoking corresponding geometrical characteristics of the geometrical figure, and displaying the geometrical characteristics in the geometrical figure in real time; and recording the shifting track of a size control point of the geometrical figure dragged by the input device, calculating corresponding co-ordinates of the geometrical characteristics required to be displayed of the geometrical figure according to the obtained shifting track, and drawing and displaying the geometrical characteristics in real time. The method provided by the invention is capable of realizing display of multifold geometrical characteristics of the geometrical figure and adjusting the geometrical characteristics in real time according to the shifting track of the geometrical figure dragged by the input device, improving the interactivity and enjoyment of the electronic whiteboard in an education teaching process, thereby increasing teaching effects.

The invention provides a multistage student education management system, and the system is used for cloud education and teaching. The system enables students to be classified into groups, classes and schools according to the conditions of the students, then carries out the targeted distribution of different preview, review and assignment tasks according to the conditions of the students in each group, and carries out the stages display of the completion conditions of the preview, review or assignment tasks to the corresponding students, groups and classes according to the task feedback of the students. According to the invention, the system carries out the grouping of the students, carries out the grouping management and teaching arrangement according to the groups, can carry out the targeted education for a child according to the learning performance of the child in the class, achieves the layered teaching, carries out the layered teaching evaluation, and improves the teaching effect in a better way.

The invention belongs to the technical field of virtual reality, and discloses a repair electrician practical training teaching system based on VR and BIM technology and a repair electrician practicaltraining teaching method. The system comprises a teaching computer operated and controlled by a teacher, a wireless gateway, multiple mobile teaching terminals for students, a screen share device, aprojection device and a virtual reality helmet displayer, and a Crdboard virtual reality device matched with the mobile teaching terminals for students. The system and the method can avoid the shortcomings of big material consumption and multiple safety hidden troubles in the traditional repair electrician practical training (platform) teaching mode; the scene building based on BIM can reduce thedevelopment difficulty and cost of the reality teaching resource, improve the reality and flexibility of practical training, and greatly promote the teaching effect.

The invention relates to a teaching service system and a teaching service method based on a cloud server. The teaching service system comprises a teaching controller, the cloud server, a plurality of teacher clients and a plurality of student clients, wherein the teaching controller is in network connection with the cloud server, the plurality of teacher clients and the plurality of student clients respectively; the cloud server is in network connection with the teaching controller; each teacher client is in network connection with the teaching controller; each student client is in network connection with the teaching controller. In the teaching service system and the teaching service method disclosed by the invention, local files are incomplete encrypted copies and cannot be used even if in case of divulging; the key data and file parameters of the files are downloaded in real time, the data size is greatly reduced, and then the requirements on network conditions are greatly reduced; the running of the teaching controller is independent of the cpu of a classroom mainframe, and encryption parameters are always not exposed to the clients; the parameters of local encrypted files does not exist locally, thus increasing a difficulty to data cracking; a channel is provided for rapid dynamic update for the files.

The invention discloses a digital teaching material management system based on an intelligent classroom teaching system. The digital teaching material management system comprises an intelligent ventilation system, an intelligent door / window system, a high fidelity audio system, an intelligent air-conditioning system, a cloud monitoring camera, a projector, a hoisting microphone, an intelligent lighting system, an intelligent safe-guard system, an electronic classroom brand, an intelligent platform system, a digital teaching material management system and an interactive system. The system disclosed by the invention is scientific and reasonable in process and safe and convenient to use, character, graph, image, sound and resource management platforms are integrated, vivid sound image displayas well as a novel network resource platform and a teaching management platform are adopted, the teaching means and management means are enriched, the teaching resource and management resources are expanded, teacher resource and leadership management informationization can be enriched, the school classroom becomes simple, high-efficiency and intelligent, independent thinking and self-directed learning abilities are developed, the teaching pressure of the teachers is reduced, and the overall teaching level of the classroom is improved.