150 results about "Virtual teaching" patented technology

A computer-implemented method provides an educational environment in a virtual reality setting. Individuals navigate a virtual reality campus by using an avatar to interact with other users and to engage in learning experiences in the virtual setting. Individuals complete projects in virtual reality by accessing educational materials in electronic format and communicating with one another via text-based chats and real time audio. The virtual reality campus emulates a physical campus by providing meeting spaces and work areas where students spontaneously share information and complete pre-planned tasks. An electronic database tracks biographical and educational information about each user, that user's progress in achieving study goals, and the deliverables that the student produces to fulfill requirements of virtual instruction. The database also links to other systems, such as a registration database, so that the student's entire learning experience on both a physical campus and in virtual reality can be conveniently accessed electronically.

According to one embodiment, a robot off-line teaching method includes: setting a plurality of virtual teaching points; setting a posture of the virtual tool on a part of the virtual teaching points which include a start point and an end point; executing an interpolating operation between the part of the virtual teaching points; storing a position and a posture of the virtual tool in the execution of the interpolating operation as an interpolating operation point every predetermined interval; selecting any of the stored interpolating operation points which satisfies a predetermined selection criterion every other virtual teaching points; and reading posture data on the selected interpolating operation point and storing the read posture data as posture data on the other virtual teaching points every other virtual teaching points.

The invention provides a modeling method of a sugarcane planting 3D (three-dimensional) interactive virtual teaching and practical training system. The modeling method includes according to sugarcane planting technology, performing 3D modeling on a model library needed in the process of sugarcane planting; according to the sugarcane planting technology, a sugarcane planting knowledge associated library; according to sugarcane planting regulations, by combining two-three-dimensional animation and scene rendering technology, building a sugarcane planting 3D interactive visible system; according to setting of sugarcane planting and growing technical regulations, simulating a sugarcane planting and growing process according to a time sequence; according to unproper operation modes, providing a warning function, and providing video and text content related to correct operation. The invention further provides the sugarcane planting teaching and practical training system based on the modeling method. The system comprises the sugarcane planting model library, the sugarcane planting knowledge associated library, the sugarcane planting 3D interactive visible system, a time sequence module and an error processing module. Modeling of the sugarcane virtual teaching and training system is realized by utilized computer 3D analog simulation reality technology.

The invention discloses a robot visualized virtual teaching system and method based on a three-dimensional model. The system comprises a three-dimensional simulation module, a motion control module, a program editing module and a communication module. The input end of the three-dimensional simulation module is connected with the output end of the motion control module. The input end of the program editing module is connected with the first output end of the three-dimensional simulation module. The first input end of the communication module is connected with the second output end of the three-dimensional simulation module, and the second input end is connected with the output end of the program editing module. The output end is used as the communication interface. The method is capable of, based on Qt and OpenSceneGraph platforms, constructing the visualized virtual teaching system, introducing a robot three-dimensional model and an environment model, regulating the posture relation of the robot three-dimensional model in the three-dimensional scene through dragging the robot three-dimensional model or assigning the teaching target point, realizing the articular motion for driving a robot body, and controlling the operation of multiple axes or multiple directions of the robots so as to arrive to the accurate teaching point position. The teaching process is visible, the operation is simple and convenient, and the transportability is good.

The invention belongs to the field of teaching application of information technology, and provides an immersive flipping classroom teaching system based on multiple virtual avatars and a working method thereof. The system comprises an immersive teaching environment generation module, a multi-virtual avatar immersive flipping teaching module and a teaching service module. A series of virtual teaching space construction tools are created by means of the VR technology; according to the needs of a main subject, virtual teaching resources and a virtual avatar library with knowledge trees are generated, a series of editing tools of virtual scenes and virtual avatars are provided, generation of interactive scenes and customization of the virtual avatars are supported, and adaptive resource packages are pushed to teacher and student terminals through hot update. A new interaction mode and a new presentation form are provided for the flipping classroom.

The invention belongs to the field of teaching application of a mixed reality technology, and provides a virtual-real fusion teaching aid automatic generation method, which comprises the steps of (1)acquiring information of a real teaching environment; (2) generating a virtual teaching aid; and (3) fusing the virtual teaching aid with the real environment. According to the virtual-real fusion teaching aid automatic generation method, a scheme of real environment information collection, virtual teaching aid generation and real environment fusion is provided for meeting the requirements of a new generation of intelligent teaching environment, and according to the teaching requirements in an enhanced teaching scene, the method includes establishing a set of method for acquiring a 3D real-time map, teacher interaction behaviors and voice commands from a teaching environment; automatically generating a hierarchical relationship between the virtual teaching aid model and components thereofaccording to the machine language; and dynamically rendering the virtual teaching aid model and the annotation information thereof to realize fusion with a real teaching environment.

The invention provides a mixed reality teaching environment system and an interaction method. The system at least comprises an AR display device. The AR display device provides a virtual environment for displaying different teaching environment related content options covering the real environment according to the space size of the real environment; and according to the image/image of the real teacher, the AR display device provides an image/image used for displaying the virtual teacher, and according to the real teaching aid, the AR display device provides a 3D virtual teaching aid triggeredby the real teaching aid, the user performs teaching interaction with the virtual teacher and the 3D virtual teaching aid by using AR display device. The system has the advantages that the practicalteaching requirements of multi-dimensional interactive experience are met, the system is not limited by time and space, the interest of children in things can be improved in the teaching environment,the children can be attracted to learn and participate in teaching, the bottleneck of live-action practice is effectively broken through, and the problem of unbalanced urban and rural education resources can be solved.

The invention is suitable for the field of virtual teaching, and provides a virtual welding system and method. The virtual welding system comprises a helmet, a welding gun, a motion capture, an operating console, a display screen and a processing terminal. The operating console is used for placing a real workpiece to be welded. The motion capture is used for acquiring the head posture data of the helmet, the motion trajectory data of the welding gun and the operating trajectory data of the real workpiece to be welded. The processing terminal is used for receiving the head posture data, the motion trajectory data and the operating trajectory data transmitted by the motion capture. The processing terminal is also used for generating a virtual welding scene based on the head posture data, the motion trajectory data and the operating trajectory data. The helmet is used for receiving and displaying the virtual welding scene. The display screen is used for receiving and displaying the virtual welding scene. With application of the method, the welding training effect and the safety of the training process can be enhanced.

The invention discloses a cloud teaching realization method and system and a cloud server. The method comprises the steps that a creating request from a teacher client side is received; a virtual teaching desktop is created according to the creating request, and the virtual teaching desktop is returned to the teacher client side; a login request of requesting for logging in the virtual teaching desktop from a student client side is received; the virtual teaching desktop is returned to the student client side according to the login request; when the teacher client side requests for entering a teaching mode, the control permission is redirected to the teacher client side; and when the teacher client side operates on the virtual teaching desktop according to the control permission and generates a first new virtual teaching desktop, the first new virtual teaching desktop is encoded firstly and then transmitted to the student client side, and the student client side decodes the first new virtual teaching desktop and then displays the first new virtual teaching desktop. With application of the aforementioned mode, cloud teaching can be realized, and the process of the virtual teaching desktop is synchronized to the teacher client side and the student client side at the cloud server so that the fluency of synchronization of the virtual teaching desktop can be enhanced.

The invention discloses a virtual reality based on-load tap switch maintenance training method and relates to the technical field of three-dimensional simulated interactive training of the tap switch. A system is provided with a teaching unit and an examining unit on a server, the teaching unit comprises an equipment introducing module, an animation maintenance module and an operation practicing module, wherein the equipment introducing module can simply explain the structure and the principle of a CV type on-load tap switch and a CM type on-load tap switch, the animation maintenance module demonstrates normal maintenance and fault maintenance of the CV type on-load tap switch and the CM type on-load tap switch in an animation manner, the operation practicing module simulates the normal maintenance and the fault maintenance of the tap switch in an interactive manner, and the examining unit examines the normal maintenance and the fault maintenance of the CV type on-load tap switch and the CM type on-load tap switch. The virtual reality based on-load tap switch maintenance training method has the advantages that by the aid of three-dimensional simulation technology to simulate virtual teaching, cost can be greatly saved, and study interest and efficiency of trainees can be greatly increased.

The embodiment of the invention relates to the technical field of augmented reality, and discloses a virtual teaching method based on augmented reality, and terminal equipment, wherein the method comprises the following steps of: capturing the action of a user so as to obtain the body action of the user; according to the body action of the user, obtaining a standard action model matched with the body action of the user in a virtual teaching content, transforming the matched standard action model according to body shape parameter information of the user, so that a user action model, which is same as the body shape of the user, is obtained; and outputting the user action model, so that the user adjusts the body action by referring to the user action model. By means of the embodiment of the invention, action learning contents, such as dance, yoga and gymnastics, can be displayed through the user action model, which is same as the body shape of the user; the user can adjust the action according to the user action model; and thus, the action learning purpose is achieved.

The invention relates to a non-contact three-dimensional displaying simulative teaching system, comprising a host computer, and a back-projection device, a touch screen and a camera which are communicated with the host computer. A camera mode identifying module is arranged in the host computer, and an action model databank corresponding to relevant operations is arranged in the camera mode identifying module to identify action information in image signals collected by the camera and to inquire whether the collected action information matches the action model of the action model databank, and when the matched action model is found, the operation corresponding to the action model is executed. The back-projection device comprises a projector, a reflector and a back-projection screen. After the signal from the host computer is reflected by the reflector, the signal is projected to the back-projection screen by the projector. The system of the invention applies the back-projection system to multimedia teaching to lead the free moving of teacher before projection screen not to block the beam of projector so as to avoid the defect of front-projection, thus realizing timely and interactive control to objects and resulting in a more effective teaching course.

The invention provides a virtual teaching system for architectural engineering, which is composed of a control subsystem, a teaching management subsystem, and a training management subsystem. The control subsystem is used for setting department qualification, maintaining user accounts and roles, and maintaining the functions of teaching courses. The teaching management subsystem is used for achieving the functions of student authorization, training and teaching, courseware demonstration, training scoring, and comprehensive query. The training management subsystem is used for achieving the functions of training task browsing, training, and training schedule and performance query. The teaching management subsystem and the training management subsystem comprise various architectural simulation teaching and training modules. The system adopts a B/S architecture, and uses Web and cloud computing technologies. Virtual reality and augmented reality technologies are introduced. The limitation on traditional architectural engineering teaching is broken. Visual architectural engineering teaching and training are realized. The costs of teaching and training are lowered. Sharing of educational resources is realized. The teaching and training effects are enhanced.

The invention discloses a limb movement teaching method based on a VR technology. The limb movement teaching method comprises the following steps: S1, acquiring demonstration action data of a limb movement to be taught; S2, constructing a virtual three-dimensional teaching environment scene based on the demonstration action data; S3, wearing, by a learner, a VR device to learn the limb movement inthe virtual three-dimensional teaching environment scene, wherein the learner is located in the center of the virtual teaching field. According to the limb movement teaching method based on the VR technology, by combination of the VR technology and the teaching of the limb movement and the construction of the virtual three-dimensional teaching environment scene, the learner can immerse in the virtual three-dimensional teaching environment scene under the condition of wearing the VR device, and learn the limb movements such as dancing, martial arts and gymnastics without an actual demonstrator; furthermore, the learner can easily observe the demonstration actions of the limb movements of a virtual demonstrator in all directions no matter how the actions turn during the teaching in the virtual three-dimensional teaching environment scene; therefore, the teaching cost is effectively reduced, and the teaching effect is enhanced.

The invention discloses a virtual reality teaching method and a head-mounted virtual reality device. The head-mounted device based on virtual reality comprises a virtual reality helmet, a helmet positioning device, a handle positioning device, a virtual reality handle and a processor. The device can be divided into an acquiring device, a constructing device and an integrating device according to functions, wherein the acquiring device is used for acquiring a reality teaching environment and relevant information of students and is integrated in the processor, the constructing device is used for constructing a three-dimensional virtual teaching scene corresponding to the reality teaching environment and the relevant information of students and is integrated in the processor, and the integrating device is used for allowing students to be integrated into the constructed three-dimensional virtual teaching scene and comprises the virtual reality helmet. The defects of traditional classroom teaching and network distance education are overcome, and user engagement and immersion sense are improved.

The invention provides an intelligent programming auxiliary device of a virtual teaching robot for learning a person. An operation tool is arranged at the tail end of the robot. The intelligent programming auxiliary device comprises a teaching tool, a camera unit and a robot controller, wherein the teaching tool is the same as the operation tool arranged at the tail end of the robot and is provided with a first characteristic point; the camera unit is used for capturing and recording the movement locus of the characteristic point on the teaching tool, the joint angle information of the teaching tool and an operation point of an operation target according to a time sequence; the robot controller is used for generating a robot working instruction; a second characteristic point corresponding to the first characteristic point of the teaching tool is arranged on the operation tool.

The invention provides a virtual teaching system based on augmented reality (AR), suitable for an education system. Through man-machine interaction, virtual objects are superposed on an indicator and are displayed on a projector, thereby conveniently providing various complex models for students; through programs, operations such as transformation and rotation of the models can be realized, thereby facilitating a profound understanding of the models for students. The virtual teaching system based on AR has the characteristics of low cost, convenience in use, simple hardware equipment, etc.

The invention provides an intelligent virtual teacher image personalization method. According to the method, a corresponding virtual classroom database and a virtual reality classroom model are constructed and formed; therefore, virtual course teaching of the target learner is realized; meanwhile, interactive action information and interactive sound information of the target learner in response tothe virtual teacher are collected in the virtual course teaching process; and then, the current actual learning state of the target learner is determined, and virtual teaching parameters of the virtual teacher in the virtual course teaching process are adjusted according to the actual learning state, so that the solidification and mechanical image of the virtual teacher is changed, the image personalization of the virtual teacher is realized, and finally, the experience of virtual course teaching is improved.

The invention belongs to the field of somatosensory interaction and particularly provides an exercise training evaluation method based on a virtual environment. The method comprises the following steps that 1, a virtual teaching platform is established; 2, exercise trajectories are calculated; 3, exercise training is evaluated. The virtual teaching platform designed by adopting Unity 3D uses skeleton points acquired by Kinect V2 as a basis, keeps 30 frames per second to acquire standard vectors of standard actions and coordinates of spine points and calculates heights of standard action persons. By comparing the heights of persons participating in training with the heights of the standard action persons, offset coordinates of the spine points are determined, spatial exercise curves of standard actions are calculated according to the skeleton lengths of the persons participating in training, and accordingly continuous exercises are identified and graded.

The present invention discloses a digital courtroom simulation virtual teaching system. The digital courtroom simulation virtual teaching system comprises a plurality of student terminals, a plurality of teacher terminals and a server being in wireless connection with the student terminals and the teacher terminals; and the server establishes virtual cases according to the virtual cases emitted by corresponding student terminals or teacher terminals to allow corresponding students and teacher to take part in the established virtual cases for perform online simulation of a real courtroom. The digital courtroom simulation virtual teaching system is able to realize small group teaching, class teaching, grade teaching and the like of simulation court hearing, without the restriction of the number of people, has flexible and diverse modes, and may better realize educational fairness.

The invention belongs to the field of teaching application of information technology, provides a virtual synchronous classroom teaching system in a 5G network environment and a working method thereof, and creates a virtual and situational synchronous classroom teaching system in the 5G network environment. According to the method, aiming at virtual teaching requirements of middle and primary schools, an element library and a component library are designed and constructed, virtual teaching suites with different granularities are generated based on assembly rules, a virtual classroom visual design tool is developed, and a script description language is applied to realize virtual classroom sharing and interoperation based on a scene tree; a C/S architecture is adopted to build a virtual synchronous classroom teaching system, and teaching activities of a virtual classroom are synchronized based on a consistency sorting strategy of timestamps; many-to-many, one-to-many and one-to-one teaching is carried out by adopting direct connection and broadcast mechanisms, teaching contents and teaching process data are displayed on an electronic screen at the front end of a virtual classroom, and interaction operation results are synchronously updated in cloud-end and end-end modes by using a cloud increment technology.

The invention discloses a V-Rep-based robot virtual teaching demonstration method. The method comprises the following steps that: the virtual teaching demonstration scene file of a teaching system is stored in offline simulation software V-Rep; a human-computer interaction interface is developed; a three-dimensional mouse is connected with the USB interface of a computer through a wireless receiver; in the interface of a virtual machine, the three-dimensional mouse is set to be disconnected from the host of the computer so as to be connected with the virtual machine, the virtual teaching demonstration scene file pre-stored in the software V-Rep is enabled and operates; after the virtual teaching demonstration scene in the V-Rep operates, the position coordinates of robot teaching demonstration key points are inputted; after teaching demonstration is terminated, the robot terminal can move between two teaching demonstration key points to reproduce a teaching process; and in the teaching reproducing process, an inverse solution is calculated. The system enables better experience and has high interactivity.

The invention provides a neurodevelopmental disorder shopping training system based on a virtual reality technology, and the system realizes intervention training for shopping skills of patients withearly neurodevelopmental disorder through the virtual reality technology. The system comprises a virtual reality display device, a voice recognition device, a human body posture detection device and avirtual shopping training software system. According to the virtual shopping training system, a virtual shopping scene is displayed in the virtual reality equipment; the voice prompt are collected and identified; Language and action teaching of virtual characters is carried out through the virtual teaching device, the training is achieved, the shopping ability of patients with neurodysplasia is improved, the cost problem generated by actual teaching and training is effectively reduced based on the virtual reality technology, meanwhile, training scenes are richer, and intervention training ismore efficient.

The invention discloses a ground crew virtual teaching system based on aircraft model driving, and belongs to the technical field of aviation virtual training. The ground crew virtual teaching system includes virtual aircraft integration and a user interaction system. The virtual aircraft integration is used to reflect the actual operation status of an aircraft. The user interaction system includes a virtual cockpit, a dynamic schematic diagram module, a three-dimensional aircraft module and training teaching materials. The virtual cockpit simulates all the control and display devices in a cockpit by modeling, and sends input signals to the virtual aircraft integration. The virtual aircraft integration responds and generates output signals. The dynamic schematic diagram module displays a relationship among various components in an aircraft system according to the output signals. In the invention, the real system model of the aircraft is used for driving, the interface state of the aircraft system is in real accord with that of the aircraft, new subjects can be successfully added only by simple connection to the system model interface, the ground crew training effect is greatly improved and the cost is low.