CN111815789A - Step decomposition and evaluation system and method for virtual simulation experiment - Google Patents
Step decomposition and evaluation system and method for virtual simulation experiment Download PDFInfo
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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
Technical Field
The invention belongs to the technical field of virtual simulation, and particularly relates to a step decomposition and evaluation system and method for a virtual simulation experiment.
Background
The Unity virtual simulation experiment system is combined with software such as 3DMax, Flash, Unity and the like, is operated at a first person visual angle, achieves actions such as moving, picking up and the like, and truly simulates special effects such as flame, color change and the like in a chemical experiment. The teaching purpose is better achieved by adding different operation modes to the real experiment effect on the scene. The experimental system enables the experimental process to be interesting and avoids the experimental process which is thick and tedious, pays attention to the reality and the interest of visual effect, fully mobilizes the learning enthusiasm of students, and simultaneously can also solve the potential safety hazard and improve the learning efficiency.
The operation error generates certain danger in the real experiment process, the virtual chemical laboratory can avoid accidents, enables students to correct experiment errors at any time, experiences consequences caused by the experiment errors without damage, enhances the self-confidence of students and improves the learning ability. And a lot of manpower and time can be wasted by equipment and places required by the experiment with saved resources and saved time and labor, certain resource waste can be caused by the failed experiment in the experiment process, the waste can be reduced to the maximum extent by applying the virtual experiment, and the efficiency is improved.
In the related art, there are few virtual simulation experiment system products, and there are two main types:
1)2D simulation products;
the main object is teacher, the plane operation physical and chemical experiment, the most advantage is the combination convenience, the most related content, PC, APP can all use. The biggest disadvantages are that there is no three-dimensional presentation, the visual perception is poor, and the virtual presentation has little realism and cannot evaluate the experimental steps.
2)3D virtual simulation products;
the method is mainly characterized in that all models are manufactured based on 3Dmax and Unity, the model is the best in fineness degree, the content of a physical simulation product and a chemical simulation product is relatively less, the VR/AR characteristics are not available in 2D simulation products, and the VR/AR is difficult to use by each student and cannot decompose and evaluate experimental steps.
Disclosure of Invention
In view of this, the present invention provides a step decomposition and evaluation system and method for a virtual simulation experiment to solve the problem that the experiment steps cannot be decomposed and evaluated in the virtual simulation experiment in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a step decomposition and evaluation system of a virtual simulation experiment comprises:
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.
Further, the virtual simulation module includes:
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.
Further, 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.
Further, 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;
and 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.
Further, the step of prompting the existence of the error includes:
and carrying out error close-up marking on the error step.
Further, 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.
Further, the method also comprises the following steps:
and the storage module is used for storing the virtual scene and the experimental operation information of the user.
Further, the virtual simulation module further includes: a 3D mode;
the 3D mode is set in the virtual equipment and is used for showing the same virtual scene to the user.
Further, the configuration file includes: 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.
The embodiment of the application provides a step decomposition and evaluation method of a virtual simulation experiment, which comprises 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.
By adopting the technical scheme, the invention can achieve the following beneficial effects:
the simulation degree is improved: the simulation degree is higher, the experimental instrument can flexibly observe, and the scene of a real laboratory is restored;
automatically acquiring data: the experimental process data are automatically collected, so that favorable support is provided for teacher teaching and student learning;
automatic evaluation and error correction playback: the core function originally created in the industry, particularly the error correction playback, can enable students to know the learning problem more intuitively and conveniently, and is convenient for correcting and correcting errors;
the multiple parties use: the product object of the application aims at students, and the students can independently train and can also show teachers to use the teaching.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a step decomposition and evaluation system of a virtual simulation experiment according to the present invention;
FIG. 2 is a schematic diagram of a configuration file according to the present invention;
FIG. 3 is a schematic structural diagram of a model of an experimental procedure according to the present invention;
FIG. 4 is another structural diagram of the step decomposition and evaluation system of the virtual simulation experiment according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
A specific step decomposition and evaluation system and method for a virtual simulation experiment provided in the embodiments of the present application are described below 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,
a virtual simulation module 1, configured to simulate a virtual scene, where the virtual scene includes: laboratories, laboratory equipment, laboratory instruments and laboratory articles;
the virtual experiment platform 2 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 operations comprise: an experiment step;
the data processing module 3 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 include: the experimental steps of the user during practice and the user during assessment;
the working principle of the step decomposition and evaluation system of the virtual simulation experiment is as follows: firstly, a virtual scene is simulated through a virtual simulation module 1, wherein the virtual scene comprises: laboratories, laboratory equipment, laboratory instruments and laboratory articles; the virtual scene is the same as the real scene existing in real life of the user, so that the user can feel realistic. The user learns experiment operation, practices experiment operation and examines the experiment operation in the virtual scene, the configuration file is preset in the data processing module 3, steps of experiment steps in examined experiment operation information can be decomposed according to the configuration file, then error correction, error prompt and scoring are carried out on each decomposed step, and the user can check and correct own experiment operation error positions conveniently. Wherein, the experimental article includes: planet for geographic experiments, human body and organs for biological experiments, drugs for chemical experiments, drugs for physical experiments, etc.
The Unity3D technology is adopted to simulate laboratories, experimental equipment, laboratory instruments and experimental articles manufactured by 3 Dmax.
In some embodiments, as shown in fig. 2, the virtual simulation module 1 includes:
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.
The virtual simulation module can translate the virtual scene through the translation scene after receiving the instruction of the user, for example: moving the experimental medicine or the experimental instrument; the virtual scene can be rotated through the rotating scene so as to be convenient for a user to observe, wherein the rotation can be left-right rotation or up-down rotation; the virtual scene can be zoomed through the zooming scene, namely, the virtual scene is enlarged or reduced, so that a user can observe the environment in the whole virtual scene when the virtual scene is reduced, or all experimental instruments and the like in the whole virtual scene, or the user can watch a tiny place of a certain experimental device when the virtual scene is enlarged.
Thereby flexibly observing any equipment and experiment effect in the experiment.
In some embodiments, the virtual experiment platform 2 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.
Specifically, if the user is a teacher, the preset experimental standard steps in the system can be demonstrated to students in a guiding manner, and the students can learn each experimental step through the displayed experimental standard steps. Students can also practice the experiment steps through the virtual experiment platform, so that the students are familiar with the experiment steps; in addition, the method can also be used for taking examinations and acquiring the experimental steps of students during the examinations.
It should be noted that the subject of the experiment in the present application may be physical, chemical, biological, geographic, scientific, etc.
Preferably, the data processing module 3 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;
and 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.
And judging the start and the end of each experimental step in the experimental steps of the user according to a preset configuration file, and decomposing the steps. The configuration file is preset in the system, and each step is convenient to check.
Specifically, as shown in fig. 2 and 3, the configuration file includes: 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.
Specifically, the action set includes model objects related to the actions, and the actions correspond to experimental steps in the model, and the experimental steps are identified, so that the experimental steps are decomposed. When a plurality of experimental steps in the experiment have the same action, the time line of the experiment is combined as an auxiliary to identify each experimental step, so that the experimental steps are decomposed.
The method and the device can process the data of the examination, correct and score each step, and play back the error step. It should be noted that, not only the experimental steps in the examination but also the experimental steps in the practice can be corrected, scored and played back, so as to help the students to learn independently.
The technical scheme that this application provided when satisfying mr's conventional teaching, can let the student practice the experiment, can also carry out according to the error correction to the error in the experiment, can also evaluate each step of student's experiment.
The experiment step model in the application comprises experiments of various disciplines, and each experiment step is distinguished specifically. The method comprises the following steps: when a lever balance experiment is carried out, after an instrument is observed, firstly, the balance is balanced by adjusting nuts on two sides of a lever balance in a first step, and then other experiments are carried out in a second step to take other instruments and the like. The experimental step model judges that the step is a first step when a user adjusts the nut, and judges that the step is a second step after contacting other instruments, the first step is divided completely, and the second step is started; thereby performing step division.
During evaluation, if the user adjusts the nut again during the second step, the experimental step model will determine that the step is incorrect.
In some embodiments, the prompting for the existence of the error comprises:
and carrying out error close-up marking on the error step.
When the user operates the experiment steps, all the experiment steps can be stored and recorded, and after the experiment is completed, close-up marking is carried out on errors in the error steps through playback.
Preferably, the experimental evaluation unit includes:
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.
In the application, each step of the user experiment can be commented, then the error step can be explained, and the error correction can be carried out on the experiment report of the user.
As shown in fig. 4, the step decomposition and evaluation system of the virtual simulation experiment provided by the present application further includes:
and the storage module is used for storing the virtual scene and the experimental operation information of the user.
The storage module is used for data storage, data management and data docking of the stored data with 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 the virtual equipment, and the same virtual scene is displayed to the user.
Specifically, a user or a user can observe the experimental equipment in an all-around manner through the 3D mode, and the user can see other users in the virtual equipment to interact with other users. The user can conduct experimental operation and interaction in a virtual scene in an immersive mode.
The teaching aid is used for meeting the requirements of course standards, combining practical situations, realizing multi-person cooperative communication, cultivating scientific elements and the like, expanding knowledge games, and enabling students to teach through lively activities and to like to learn more.
The step decomposition and evaluation system of the virtual simulation experiment provided by the application can be applied to a plurality of platforms, such as: PC end, Web end, mobile end, VR end or customized innovation laboratory.
The embodiment of the application provides a step decomposition method of a virtual simulation experiment, which comprises 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.
In conclusion, the invention provides a step decomposition and evaluation system and method for a virtual simulation experiment, the technical scheme provided by the invention has higher simulation degree, experimental instruments can flexibly observe, the scene of a real laboratory is restored, the data in the experimental process is automatically acquired, and 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.
It is to be understood that the system embodiments provided above correspond to the method embodiments described above, and corresponding specific contents may be referred to each other, which are not described herein again.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or 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 (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
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 application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended 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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