CN111815789A - A step decomposition and evaluation system and method for virtual simulation experiment - Google Patents

Abstract

The invention relates to a step decomposition and evaluation system and method of a virtual simulation experiment, which comprises a virtual simulation module for simulating a virtual scene, wherein the virtual scene comprises a laboratory, experimental equipment, experimental instruments and experimental articles; a user performs experiment operation through the virtual simulation module and obtains experiment operation information of the user; and the data processing module decomposes the experiment steps in the experiment operation information according to a preset configuration file, and carries out error prompt and scoring on each step. The simulation degree is higher, experimental instruments can be observed flexibly, the scene of a real laboratory is restored, the data in the experimental process are acquired automatically, and a favorable support is provided for teacher teaching and student learning; the error correction playback in the application can lead students to know the learning problems more intuitively and conveniently, and is convenient for correcting and correcting errors; in addition, the object that this application is directed to not only includes the teacher still includes the student, not only can let the student independently train and can let the teacher show the teaching content.

Description

A step decomposition and evaluation system and method for virtual simulation experiment

technical field

The invention belongs to the technical field of virtual simulation, and in particular relates to a step decomposition and evaluation system and method for a virtual simulation experiment.

Background technique

The Unity virtual simulation experiment system, combined with 3DMax, Flash, Unity and other software, operates from a first-person perspective to achieve movements such as moving and picking up, and realistically simulate special effects such as flames and discoloration in chemical experiments. With the immersive real experimental effect and different operation methods, the teaching purpose can be better achieved. The experimental system makes the experimental process more interesting, avoids the tedious experimental process, pays attention to the authenticity and interest of the visual effects, fully mobilizes the students' enthusiasm for learning, and at the same time, it can also solve the hidden dangers of safety and improve the learning efficiency.

In the process of real experiments, mistakes in operation cause certain dangers. The virtual chemistry laboratory can not only avoid accidents, but also allow students to correct experimental errors at any time, experience the consequences of experimental errors without being hurt, and enhance students' self-confidence. Improve the ability to learn. It can also save resources, save time and effort. The equipment and places required for the experiment will waste a lot of manpower and time, and the experiment that fails during the experiment will cause a certain waste of resources. The use of virtual experiments can minimize this waste and improve. efficiency.

Among the related technologies, there are not many virtual simulation experiment system products, but there are mainly two types:

1) 2D simulation products;

The main object is teachers, and the physical and chemical experiments are operated on a plane. The biggest advantage is that it is easy to combine and involves the most content. Both PC and APP can be used. The biggest disadvantage is that there is no three-dimensional presentation, the visual perception is poor, and the virtual display has almost no realism, and it is impossible to evaluate the experimental steps.

2) 3D virtual simulation products;

Its main feature is that all models are made based on 3Dmax combined with Unity, and its models are the best, with relatively little content in physics and chemistry, and VR/AR features that 2D simulation products do not have. It is difficult for every student to use VR/AR, and it is impossible to decompose and evaluate the experimental steps.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a step decomposition and evaluation system and method for a virtual simulation experiment, so as to solve the problem that the experimental steps cannot be decomposed and evaluated in the virtual simulation experiment in the prior art. question.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a step decomposition and evaluation system for a virtual simulation experiment, including:

a virtual simulation module for simulating a virtual scene, where the virtual scene includes: a laboratory, experimental equipment, experimental instruments and experimental items;

A virtual experiment platform, used for a user to perform an experiment operation through the virtual simulation module, and obtain the user's experiment operation information; wherein, the experiment operation information includes: an experiment step;

The data processing module is used to decompose the experimental steps in the experimental operation information according to the preset configuration file, and to give error prompts and scores to each step; the experimental steps include the user's experimental steps and assessment during practice. user's experimental steps.

Further, the virtual simulation module includes:

a translation scene unit, used for receiving user instructions to translate the virtual scene;

a rotating scene unit, used for receiving user instructions to rotate the virtual scene;

The zooming scene unit is used for receiving a user instruction to zoom the virtual scene.

Further, the virtual experiment platform includes:

The teaching unit is used to demonstrate the preset experimental standard steps to the user in a guided manner;

Practice unit for users to practice experimental steps;

The exam unit is used for assessment based on the user's experimental steps.

Further, the data processing module includes:

a step decomposition unit, configured to determine the start and end of each experimental step in the user's experimental operation information according to the preset configuration file, and to decompose the experimental steps;

The experimental evaluation unit is used for comparing the user's experimental steps with the preset experimental standard steps, and prompting the existing error steps.

A step scoring unit for scoring each step in the user's experimental steps according to the wrong steps;

The error playback unit is used to playback error steps.

Further, the prompting of the existing error steps includes:

Error close-up annotations are made to the error steps.

Further, the experimental evaluation unit includes:

The step comment subunit is used to comment on the user's experimental operation information;

Error description sub-unit, used to describe the user's error steps;

The evaluation subunit is used to correct errors in the user's experimental report.

Further, it also includes:

The storage module is used to store the virtual scene and the user's experimental operation information.

Further, the virtual simulation module further includes: 3D mode;

The 3D mode is set in a virtual device for presenting the same virtual scene to the user.

Further, the configuration file includes: an experimental step model, which is used to perform step identification on the experimental operation information through the time line auxiliary combined with the action set;

The action set includes the model objects involved in the action and the order in which the model appears in the experimental operation;

When the same action is included in a plurality of experimental steps, the action set assists in identifying each experimental step in combination with the time line of the experiment, so as to realize the decomposition of the experimental steps.

The embodiment of the present application provides a step decomposition and evaluation method for a virtual simulation experiment, including:

constructing a simulated virtual scene, the virtual scene includes: a laboratory, experimental equipment, experimental instruments and experimental items;

The user performs experimental operations through the virtual simulation module, and obtains experimental operation information of the user; wherein, the experimental operation information includes: experimental steps;

According to the preset configuration file, the experimental steps in the experimental operation information are decomposed step by step, and error prompts and scores are performed for each step; the experimental steps include the user's experimental steps during practice and the user's experimental steps during assessment.

The present invention adopts the above technical solutions, and the beneficial effects that can be achieved include:

Improve the degree of simulation: the degree of simulation is higher, the experimental instruments can be flexibly observed, and the scene of the real laboratory is restored;

Automatic data collection: automatic collection of data in the experimental process provides favorable support for teachers' teaching and students' learning;

Automatic evaluation and error correction playback: The unique core functions in the industry, especially error correction playback, allow students to understand their own learning problems more intuitively and conveniently, and facilitate corrections and corrections;

Multi-party use: The product object of this application is aimed at students, which can allow students to train independently, and of course, teachers can show their teaching use.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

1 is a schematic structural diagram of a step decomposition and evaluation system for a virtual simulation experiment of the present invention;

Fig. 2 is the structural representation of the configuration file of the present invention;

Fig. 3 is the structural representation of the experimental procedure model of the present invention;

FIG. 4 is another schematic structural diagram of a step decomposition and evaluation system of a virtual simulation experiment of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The following describes a specific step decomposition and evaluation system and method for a virtual simulation experiment provided in the embodiments of the present application with reference to the accompanying drawings.

As shown in FIG. 1 , the step decomposition and evaluation system of the virtual simulation experiment provided in the embodiment of the present application includes:

The virtual simulation module 1 is used to simulate a virtual scene, and the virtual scene includes: a laboratory, experimental equipment, experimental instruments and experimental items;

The virtual experiment platform 2 is used for the user to perform experimental operation through the virtual simulation module, and obtain the experimental operation information of the user; wherein, the operation includes: experimental steps;

The data processing module 3 is used for step decomposition of the experimental steps in the experimental operation information according to a preset configuration file, and error prompts and scores for each step; the experimental steps include: the user's experimental steps during practice And the user's experimental steps during the assessment;

The steps of the virtual simulation experiment are decomposed and the working principle of the evaluation system is as follows: First, simulate the virtual scene through the virtual simulation module 1. The virtual scene includes: laboratory, experimental equipment, experimental instruments and experimental items; the virtual scene and the user exist in real life. The real scene is the same, giving users a sense of reality. The user learns the experimental operation, practices the experimental operation and evaluates the experimental operation in the virtual scene. A configuration file is preset in the data processing module 3, and the experimental steps in the evaluated experimental operation information can be decomposed step by step according to the configuration file. Each step of the decomposition is corrected, prompted and scored, so that users can check their own experimental operation errors and make corrections. Among them, the experimental items include: planets for geographic experiments, human bodies and organs for biological experiments, medicines for chemical experiments, and medicines for physical experiments.

This application uses Unity3D technology to simulate the laboratory, experimental equipment, experimental instruments and experimental items produced by 3Dmax.

In some embodiments, as shown in FIG. 2 , the virtual simulation module 1 includes:

a translation scene unit, used for receiving user instructions to translate the virtual scene;

a rotating scene unit, used for receiving user instructions to rotate the virtual scene;

The zooming scene unit is used for receiving a user instruction to zoom the virtual scene.

The virtual simulation module of the present application can translate the virtual scene by panning the scene after receiving the user's instruction, for example: moving the experimental medicine or experimental instrument in it; it can also rotate the virtual scene by rotating the scene to facilitate the The user observes, and the rotation can be left or right or up and down; the virtual scene can also be zoomed by zooming the scene, that is, the virtual scene is zoomed in or out, so that the user can observe the entire virtual scene when zooming out. environment, or all the experimental instruments in the whole virtual scene, or a tiny place that is convenient for users to watch a certain experimental equipment when zooming in the virtual scene.

So as to flexibly observe any equipment and experimental effect in the experiment.

In some embodiments, the virtual experiment platform 2 includes:

The teaching unit is used to demonstrate the preset experimental standard steps to the user in a guided manner;

Practice unit for users to practice experimental steps;

The exam unit is used for assessment based on the user's experimental steps.

Specifically, if the user is a teacher, he can demonstrate the preset experimental standard steps in the system to the students in a guided manner, and the students learn each experimental step through the displayed experimental standard steps. Students can also practice the experimental steps through the virtual experiment platform, so as to become familiar with the experimental steps; in addition, they can also take the test, and obtain the students' experimental steps during the test.

It should be noted that the subjects of the experiments in this application can be physics, chemistry, biology, geography, science, etc.

Preferably, the data processing module 3 includes:

a step decomposition unit, configured to determine the start and end of each experimental step in the user's experimental operation information according to the preset configuration file, and to decompose the experimental steps;

The experimental evaluation unit is used for comparing the user's experimental steps with the preset experimental standard steps, and prompting the existing error steps.

A step scoring unit for scoring each step in the user's experimental steps according to the wrong steps;

The error playback unit is used to playback error steps.

The start and end of each experimental step in the user's experimental steps are determined according to the preset configuration file, and the steps are decomposed. Configuration files are pre-set in the system for easy viewing of each step.

Specifically, as shown in FIG. 2 and FIG. 3 , the configuration file includes: an experimental step model, which is used to perform step identification on the experimental operation information through the time line assistance combined with the action set;

The action set includes the model objects involved in the action and the order in which the model appears in the experimental operation;

When the same action is included in a plurality of experimental steps, the action set assists in identifying each experimental step in combination with the time line of the experiment, so as to realize the decomposition of the experimental steps.

Specifically, the action set includes the model objects involved in the action, and the action corresponds to the experimental step in the model, and the experimental step is identified, thereby decomposing the experimental step. When multiple experimental steps in an experiment have the same action, each experimental step is identified with the time line of the experiment as an aid, so as to decompose the experimental steps.

The application can process the data of the test, correct and score each step, and play back the wrong steps. It should be noted that not only the experimental steps in the exam but also the experimental steps in the exercise can be corrected, scored and played back to help students learn independently.

The technical solution provided by this application not only satisfies the teacher's routine teaching, but also enables students to practice experiments, correct errors in the experiments, and evaluate each step of the students' experiments.

The experimental step model in this application includes experiments of various disciplines, and each experimental step is specifically distinguished. The steps are broken down such as: when doing the lever balance experiment, after observing the instrument, the first step should be to adjust the nuts on both sides of the lever balance to make the balance balance, and then do other experiments in the second step, take other instruments, etc. . The experimental step model will judge that this step is the first step when the user adjusts the nut, and judges that it has entered the second step after contacting other instruments. The first step is divided and the second step starts; thus, the steps are divided.

During the evaluation, if the user adjusts the nut during the second step, the experimental step model will judge that the step is wrong.

In some embodiments, the step of prompting an existing error includes:

Error close-up annotations are made to the error steps.

In this application, when the user operates the experimental steps, all the experimental steps will be stored and recorded, and after the experiment is completed, the errors in the wrong steps will be marked in close-up through playback.

Preferably, the experimental evaluation unit includes:

The step comment subunit is used to comment on the user's experimental operation information;

Error description sub-unit, used to describe the user's error steps;

The evaluation subunit is used to correct errors in the user's experimental report.

In this application, it is possible to comment on each step of the user's experiment, then explain the error steps, and to correct the user's experiment report.

As shown in Figure 4, the step decomposition and evaluation system of the virtual simulation experiment provided by this application also includes:

The storage module is used to store the virtual scene and the user's experimental operation information.

Among them, the storage module is used for data storage, data management and data connection between the stored data and the virtual experiment platform and the data processing module.

Preferably, the virtual simulation module further includes: a 3D mode;

The 3D mode is set in a virtual device, and the same virtual scene is presented to the user.

Specifically, the user or the user can observe the experimental device in all directions through the 3D mode, and the user can see other users in the virtual device and interact with other users. Users can immersely perform experimental operations and interactions in virtual scenes.

This application is based on the requirements of the curriculum standards, combined with realistic situations, multi-person cooperation and exchanges, and cultivation of scientific elements, etc., to expand knowledge-based games, so that students can enjoy teaching and learning more.

The step decomposition and evaluation system of the virtual simulation experiment provided by this application can be applied to multiple platforms, such as: PC terminal, Web terminal, mobile terminal, VR terminal or customized innovation laboratory.

An embodiment of the present application provides a step decomposition method for a virtual simulation experiment, including:

constructing a simulated virtual scene, the virtual scene includes: a laboratory, experimental equipment, experimental instruments and experimental items;

The user performs experimental operations through the virtual simulation module, and obtains experimental operation information of the user; wherein, the experimental operation information includes: experimental steps;

According to the preset configuration file, the experimental steps in the experimental operation information are decomposed step by step, and error prompts and scores are performed for each step; the experimental steps include the user's experimental steps during practice and the user's experimental steps during assessment.

In summary, the present invention provides a step decomposition and evaluation system and method for a virtual simulation experiment. The technical solution provided by the present invention has a higher degree of simulation, the experimental instrument can be flexibly observed, and the scene of the real laboratory and the experimental process data are restored. Automatic collection provides favorable support for teachers' teaching and students' learning; the error correction playback in this application allows students to understand their own learning problems more intuitively and conveniently, and facilitates correction and correction; in addition, this application The target includes not only teachers but also students. It not only allows students to train independently but also allows teachers to display teaching content.

It can be understood that the system embodiments provided above correspond to the above method embodiments, and the corresponding specific contents can be referred to each other, which will not be repeated here.

As will be appreciated by those skilled in the art, the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block in the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to the processor of a general purpose computer, special purpose computer, embedded processor or other programmable data processing device to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing device produce Means for implementing the functions specified in a flow or flow of a flowchart and/or a block or blocks of a block diagram.

These computer program instructions may also be stored in a computer readable memory capable of directing a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer readable memory result in an article of manufacture comprising the method of the instructions, the instructions A method implements the functions specified in the flow diagram or flow diagrams and/or the block diagram diagram block or blocks.

These computer program instructions can also be loaded on a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process such that The instructions provide steps for implementing the functions specified in the flow or blocks of the flowcharts and/or the block or blocks of the block diagrams.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (10)

1. A step decomposition and evaluation system of a virtual simulation experiment is characterized by comprising the following steps:

a virtual simulation module for simulating a virtual scene, the virtual scene comprising: laboratories, laboratory equipment, laboratory instruments and laboratory articles;

the virtual experiment platform is used for carrying out experiment operation by a user through the virtual simulation module and acquiring experiment operation information of the user; wherein the experimental operating information comprises: an experiment step;

the data processing module is used for carrying out step decomposition on the experimental steps in the experimental operation information according to a preset configuration file, and carrying out error prompt and scoring on each step; the experimental steps comprise the experimental steps of the user during exercise and the experimental steps of the user during assessment.

2. The step decomposition and evaluation system for virtual simulation experiments according to claim 1, wherein the virtual simulation module comprises:

the translation scene unit is used for receiving a user instruction to translate the virtual scene;

the rotating scene unit is used for receiving a user instruction to rotate the virtual scene;

and the scene zooming unit is used for receiving a user instruction to zoom the virtual scene.

3. The step decomposition and evaluation system for virtual simulation experiments according to claim 1, wherein the virtual experiment platform comprises:

the teaching unit is used for demonstrating the preset experimental standard steps to a user in a guiding way;

an exercise unit for a user to exercise the experiment step;

and the examination unit is used for performing examination according to the experimental steps of the user.

4. The step decomposition and evaluation system for virtual simulation experiments according to claim 3, wherein the data processing module comprises:

the step decomposition unit is used for judging the start and the end of each experiment step in the experiment operation information of the user according to a preset configuration file and decomposing the experiment steps;

the experiment evaluation unit is used for comparing the experiment steps of the user with the preset experiment standard steps and prompting the existing error steps;

a step scoring unit for scoring each of the user's experimental steps according to the error step;

and an error playback unit for playing back the error step.

5. The step decomposition and evaluation system for virtual simulation experiments according to claim 4, wherein the step of prompting the existence of the error comprises:

and carrying out error close-up marking on the error step.

6. The step decomposition and evaluation system for virtual simulation experiments according to claim 4, wherein the experiment evaluation unit comprises:

the step commenting subunit is used for commenting the experimental operation information of the user;

an error description subunit, configured to describe an error step of the user;

and the evaluation subunit is used for correcting the error of the experimental report of the user.

7. The step decomposition and evaluation system for virtual simulation experiments according to claim 1, further comprising:

and the storage module is used for storing the virtual scene and the experimental operation information of the user.

8. The step decomposition and evaluation system for virtual simulation experiments according to claim 2, wherein the virtual simulation module further comprises: a 3D mode;

the 3D mode is set in the virtual equipment and is used for showing the same virtual scene to the user.

9. The step decomposition and evaluation system for virtual simulation experiments according to claim 4, wherein the configuration file comprises: the experiment step model is used for identifying steps of experiment operation information through a timeline in an auxiliary combination action set;

the action set comprises model objects involved in actions and an order in which the models appear in the experimental operation;

when a plurality of experiment steps comprise the same action, the action set is combined with the time line of the experiment to assist in identifying each experiment step so as to decompose the experiment steps.

10. A step decomposition and evaluation method of a virtual simulation experiment is characterized by comprising the following steps:

constructing a simulation virtual scene, wherein the virtual scene comprises: laboratories, laboratory equipment, laboratory instruments and laboratory articles;

the user performs experiment operation through the virtual simulation module and obtains experiment operation information of the user; wherein the experimental operating information comprises: an experiment step;

step decomposition is carried out on the experimental steps in the experimental operation information according to a preset configuration file, and error prompt and scoring are carried out on each step; the experimental steps comprise the experimental steps of the user during exercise and the experimental steps of the user during assessment.

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