CN111158472A - Simulation situation construction method and system of virtual experiment - Google Patents
Simulation situation construction method and system of virtual experiment Download PDFInfo
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- 238000004088 simulation Methods 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 26
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- 238000002474 experimental method Methods 0.000 claims abstract description 67
- 238000011156 evaluation Methods 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 21
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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Abstract
The invention discloses a simulation situation construction method and a simulation situation construction system of a virtual experiment, wherein an experiment simulation scene that the experiment operation is guided by a virtual person, the experiment failure is intelligently assisted by an algorithm, and the experiment is systematically evaluated after the experiment is finished is constructed, the operation step data of a student on equipment is collected in real time through a dynamic catcher sleeve after the experiment is started to serve as actual operation data, when the actual operation data is inconsistent with an experiment standard script in a rule base, the operation step in the inconsistent state is marked as an error point, and a coding standard script is called according to the rule in the experiment flow script to perform auxiliary guidance; not only carry out high lifelike simulation to the experiment in kind, designed a virtual teacher role in the scene moreover, the algorithm intelligence is according to experimenter's operation, follows the current progress of experiment according to the rule base, and can detect and judge wrong operation, guides student's operation experiment, can make real-time feedback, can do the evaluation of general nature to the operation.
Description
Technical Field
The disclosure relates to the technical field of virtual reality and virtuality and reality fusion experiments, in particular to a method and a system for constructing a simulation situation of a virtual experiment.
Background
In some experiments of real middle and primary schools, the problems of high operation requirement, high risk, difficult three-waste treatment, expensive experimental materials and non-reusable experimental reagents exist. The virtual reality provides rich presence for users by three characteristics of imagination, interactivity and immersion, so that a set of virtual experiment system suitable for middle school students is developed, and the virtual experiment system has wide application prospect. Considering that the middle school students have the problems that the knowledge understanding ability is insufficient, the experiment operation skill is limited, the teachers cannot perform one-to-one personalized real-time tutoring and the like, once the experimenters have operation errors, the system detects and assists, and the system is challenging work.
Disclosure of Invention
The invention provides a simulation situation construction method and a simulation situation construction system for a virtual experiment, wherein an experiment simulation scene that the experiment operation is guided by a virtual person, the experiment failure is intelligently assisted by an algorithm, and the experiment is systematically evaluated at the end is constructed, after the experiment is started, the operation step data of students on equipment is collected in real time through a movable catching glove to be used as actual operation data, and the actual operation data and an experiment standard script in a rule base are gradually compared to judge whether the instruction execution steps are consistent or not; and when the actual operation data is inconsistent with the experimental standard script in the rule base, marking the operation steps in the inconsistent state as error points, calling the coding standard script according to the rules in the experimental flow script to perform auxiliary guidance, recording the error points, and calling a voice base in the voice action base through the coding standard script to perform voice prompt.
In order to achieve the above object, according to an aspect of the present disclosure, there is provided a simulation scenario construction method of a virtual experiment, the method including the steps of:
in a virtual reality environment:
s100: reading an experiment flow script in a rule base;
s200: collecting operation step data of the students on the equipment in real time through a movable catching glove after the experiment is started as actual operation data;
s300: gradually comparing the actual operation data with an experimental standard script in a rule base to judge whether the steps executed by the instructions are consistent;
s400: when the actual operation data is inconsistent with the experimental standard script in the rule base, the operation steps in the inconsistent state are marked as error points, the coding standard script is called according to the rule in the experimental flow script for auxiliary guidance, the error points are recorded, and the voice base in the voice action base is called through the coding standard script for voice prompt;
s500: and outputting all error point lists when the operation is finished.
Furthermore, the experimental flow script, the experimental standard script and the coding standard script are all script files, and the script files are a combination of a series of operation instructions for controlling the computer; the script program, when executed, is translated by an interpreter of the system into machine-recognizable instructions on a case-by-case basis and executed in program order.
Further, in S200, the data of the operation steps of the student on the equipment are collected in real time by the dynamic capture glove, and the operation steps are sequentially saved as a file of actual operation step data according to the operation track of manual operation and the sequence of the operation action command of the trigger event. The operation steps of the student on the equipment are simulated experiment equipment in virtual reality.
Further, the criterion for judging whether the actual operation data is consistent with the experimental standard script in the rule base is that, when the number of times of inconsistency between the operation instruction in the actual operation data and the operation instruction executed by the experimental standard script in the rule base is smaller than a preset threshold, the actual operation data is judged to be consistent with the experimental standard script in the rule base, and the preset threshold is set to be 10 times by default.
Furthermore, the method for calling the coding standard script to perform auxiliary guidance according to the rule in the experimental flow script comprises the following steps: prompting students to operate equipment according to step instructions in the experimental flow script, outputting corresponding feedback if the operation steps are judged to be correct, and calling a voice library in a voice action library to perform voice prompt if the operation steps are wrong; and after the feedback is completed, the auxiliary guidance is completed, otherwise, the student is guided to continue the experiment step according to the operation step instruction.
Further, in S300, the rule base includes: a rule script, an error content library and a voice action library;
the rule script includes: an experiment flow script, an experiment standard script and a coding standard script; the experiment flow script records prestored operation step instructions required by the experiment; the experimental standard script is an operation step of taking equipment as a standard and acquiring the equipment in real time through a dynamic catching hand sleeve in advance; coding a standard script as a trigger event in the operation step of the experiment;
the experimental flow script includes: triggering type, operation constraint, experiment output, step identification and navigation;
the standard script of the experiment comprises: triggering standard, constraint standard, output standard and evaluation standard;
the encoding standard script includes: a coding method, a coding state;
the error content library comprises: key, correct operation, abnormal phenomena, experimental knowledge;
the voice action library includes: model library, voice library and action library.
The present disclosure also provides a simulation scenario construction system of a virtual experiment, the system including: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to run in the units of the following system:
the experiment flow reading unit is used for reading the experiment flow script in the rule base;
the operation step acquisition unit is used for acquiring operation step data of the equipment of the students in real time through the movable catching gloves after the experiment starts as actual operation data;
the step comparison unit is used for gradually comparing the actual operation data with the experimental standard scripts in the rule base to judge whether the steps executed by the instructions are consistent;
the error guidance unit is used for marking the operation steps in the inconsistent state as error points when the actual operation data is inconsistent with the experimental standard script in the rule base, calling the coding standard script according to the rule in the experimental flow script to perform auxiliary guidance, recording the error points and calling a voice base in the voice action base through the coding standard script to perform voice prompt;
and an error point output unit for outputting all error point lists when the operation is finished.
The beneficial effect of this disclosure does: the invention provides a simulation situation construction method and a simulation situation construction system for a virtual experiment, wherein 1, a scene is vivid, not only is a high-degree vivid simulation performed on a physical experiment, but also a virtual teacher role is designed in the scene. 2. The algorithm is intelligent, the current progress of the experiment can be tracked according to the rule base by the algorithm according to the operation of an experimenter, and the wrong operation can be detected and judged. 3. The real-time interaction can guide students to operate experiments, can make real-time feedback on the operation and can make overall evaluation.
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The foregoing and other features of the present disclosure will become more apparent from the detailed description of the embodiments shown in conjunction with the drawings in which like reference characters designate the same or similar elements throughout the several views, and it is apparent that the drawings in the following description are merely some examples of the present disclosure and that other drawings may be derived therefrom by those skilled in the art without the benefit of any inventive faculty, and in which:
FIG. 1 is a diagram of a simulation scenario for a virtual experiment;
FIG. 2 is a diagram of a simulation scenario construction system of a virtual experiment.
Detailed Description
The conception, specific structure and technical effects of the present disclosure will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, aspects and effects of the present disclosure. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Fig. 1 is a diagram illustrating a simulation scenario structure of a virtual experiment according to the present disclosure, and a simulation scenario construction method of a virtual experiment according to an embodiment of the present disclosure is described below with reference to fig. 1.
The present disclosure provides a method for constructing a simulation scenario of a virtual experiment, which specifically includes the following steps:
s100: reading an experiment flow script in a rule base;
s200: collecting operation step data of the students on the equipment in real time through a movable catching glove after the experiment is started as actual operation data;
s300: gradually comparing the actual operation data with an experimental standard script in a rule base to judge whether the steps executed by the instructions are consistent;
s400: when the actual operation data is inconsistent with the experimental standard script in the rule base, the operation steps in the inconsistent state are marked as error points, the coding standard script is called according to the rule in the experimental flow script for auxiliary guidance, the error points are recorded, and the voice base in the voice action base is called through the coding standard script for voice prompt;
s500: and outputting all error point lists when the operation is finished.
Furthermore, the experimental flow script, the experimental standard script and the coding standard script are all script files, and the script files are a combination of a series of operation instructions for controlling the computer; the script program, when executed, is translated by an interpreter of the system into machine-recognizable instructions on a case-by-case basis and executed in program order.
Further, in S200, the data of the operation steps of the student on the equipment are collected in real time by the dynamic capture glove, and the operation steps are sequentially saved as a file of actual operation step data according to the operation track of manual operation and the sequence of the operation action command of the trigger event.
Further, the criterion for judging whether the actual operation data is consistent with the experimental standard script in the rule base is that, when the number of times of inconsistency between the operation instruction in the actual operation data and the operation instruction executed by the experimental standard script in the rule base is smaller than a preset threshold, the actual operation data is judged to be consistent with the experimental standard script in the rule base, and the preset threshold is set to be 10 times by default.
Furthermore, the method for calling the coding standard script to perform auxiliary guidance according to the rule in the experimental flow script comprises the following steps: prompting students to operate equipment according to step instructions in the experimental flow script, outputting corresponding feedback if the operation steps are judged to be correct, and calling a voice library in a voice action library to perform voice prompt if the operation steps are wrong; and after the feedback is completed, the auxiliary guidance is completed, otherwise, the student is guided to continue the experiment step according to the operation step instruction.
Further, in S300, the rule base includes: a rule script, an error content library and a voice action library;
the rule script includes: an experiment flow script, an experiment standard script and a coding standard script; the experiment flow script records prestored operation step instructions required by the experiment; the experimental standard script is an operation step of taking equipment as a standard and acquiring the equipment in real time through a dynamic catching hand sleeve in advance; coding a standard script as a trigger event in the operation step of the experiment;
the experimental flow script includes: triggering type, operation constraint, experiment output, step identification and navigation;
the standard script of the experiment comprises: triggering standard, constraint standard, output standard and evaluation standard;
the encoding standard script includes: a coding method, a coding state;
the error content library comprises: key, correct operation, abnormal phenomena, experimental knowledge;
the voice action library includes: model library, voice library and action library.
A simulation scenario construction system of a virtual experiment provided in an embodiment of the present disclosure is a simulation scenario construction system structure diagram of a virtual experiment as shown in fig. 2, and the simulation scenario construction system of a virtual experiment of the embodiment includes: a processor, a memory, and a computer program stored in the memory and executable on the processor, the processor implementing the steps in the simulation scenario construction system embodiment of a virtual experiment described above when executing the computer program.
The system comprises: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to run in the units of the following system:
the experiment flow reading unit is used for reading the experiment flow script in the rule base;
the operation step acquisition unit is used for acquiring operation step data of the equipment of the students in real time through the movable catching gloves after the experiment starts as actual operation data;
the step comparison unit is used for gradually comparing the actual operation data with the experimental standard scripts in the rule base to judge whether the steps executed by the instructions are consistent;
the error guidance unit is used for marking the operation steps in the inconsistent state as error points when the actual operation data is inconsistent with the experimental standard script in the rule base, calling the coding standard script according to the rule in the experimental flow script to perform auxiliary guidance, recording the error points and calling a voice base in the voice action base through the coding standard script to perform voice prompt;
and an error point output unit for outputting all error point lists when the operation is finished.
The simulation situation construction system of the virtual experiment can be operated in computing equipment such as desktop computers, notebooks, palm computers and cloud servers. The simulation scenario construction system of the virtual experiment can be operated by a system including, but not limited to, a processor and a memory. Those skilled in the art will appreciate that the example is only an example of a simulation scenario construction system for a virtual experiment, and does not constitute a limitation of a simulation scenario construction system for a virtual experiment, and may include more or less components than the other, or some components in combination, or different components, for example, the simulation scenario construction system for a virtual experiment may further include an input-output device, a network access device, a bus, etc.
The processor may be a Central Processing Unit (CPU), other general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor, and the processor is a control center of the simulation scenario construction system operation system of the virtual experiment, and various interfaces and lines are used to connect various parts of the simulation scenario construction system operable system of the entire virtual experiment.
The memory may be used for storing the computer program and/or module, and the processor may implement various functions of the simulation context construction system of the virtual experiment by running or executing the computer program and/or module stored in the memory and calling the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) card, a flash memory card (FlashCard), at least one magnetic disk storage device, a flash memory device, or other volatile solid state storage device.
While the present disclosure has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the disclosure by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the disclosure in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the disclosure, not presently foreseen, may nonetheless represent equivalent modifications thereto.
Claims (6)
1. A simulation scenario construction method of a virtual experiment is characterized by comprising the following steps:
s100: reading an experiment flow script in a rule base;
s200: collecting operation step data of the students on the equipment in real time through a movable catching glove after the experiment is started as actual operation data;
s300: gradually comparing the actual operation data with an experimental standard script in a rule base to judge whether the steps executed by the instructions are consistent;
s400: when the actual operation data is inconsistent with the experimental standard script in the rule base, the operation steps in the inconsistent state are marked as error points, the coding standard script is called according to the rule in the experimental flow script for auxiliary guidance, the error points are recorded, and the voice base in the voice action base is called through the coding standard script for voice prompt;
s500: and outputting all error point lists when the operation is finished.
2. The method for constructing the simulation situation of the virtual experiment according to claim 1, wherein the experiment flow script, the experiment standard script and the encoding standard script are all script files, and the script files are a combination of a series of operation instructions for controlling a computer; the script program, when executed, is translated by an interpreter of the system into machine-recognizable instructions on a case-by-case basis and executed in program order.
3. The method for constructing a simulation scenario of a virtual experiment according to claim 1, wherein in S200, the data of the operation steps of the equipment performed by the student are collected in real time by the hand-catching glove, and the operation steps are sequentially saved as a file of actual operation step data according to the operation trajectory of the manual operation and the sequence of the operation action commands of the trigger event.
4. The method for constructing a simulation scenario of a virtual experiment according to claim 1, wherein the criterion for determining whether the actual operation data is consistent with the experiment standard script in the rule base is that, when the number of inconsistency between the operation instruction in the actual operation data and the operation instruction executed by the experiment standard script in the rule base is smaller than a preset threshold, the actual operation data is determined to be consistent with the experiment standard script in the rule base, and the preset threshold is set to 10 times by default.
5. The method of claim 1, wherein the rule base comprises: a rule script, an error content library and a voice action library;
the rule script includes: an experiment flow script, an experiment standard script and a coding standard script; the experiment flow script records the operation steps required by the pre-stored experiment; the experimental standard script is an operation step of taking equipment as a standard and acquiring the equipment in real time through a dynamic catching hand sleeve in advance; coding a standard script as a trigger event in the operation step of the experiment;
the experimental flow script includes: triggering type, operation constraint, experiment output, step identification and navigation;
the standard script of the experiment comprises: triggering standard, constraint standard, output standard and evaluation standard;
the encoding standard script includes: a coding method, a coding state;
the error content library comprises: key, correct operation, abnormal phenomena, experimental knowledge;
the voice action library includes: model library, voice library and action library.
6. A simulation scenario construction system for a virtual experiment, the system comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to run in the units of the following system:
the experiment flow reading unit is used for reading the experiment flow script in the rule base;
the operation step acquisition unit is used for acquiring operation step data of the equipment of the students in real time through the movable catching gloves after the experiment starts as actual operation data;
the step comparison unit is used for gradually comparing the actual operation data with the experimental standard scripts in the rule base to judge whether the steps executed by the instructions are consistent;
the error guidance unit is used for marking the operation steps in the inconsistent state as error points when the actual operation data is inconsistent with the experimental standard script in the rule base, calling the coding standard script according to the rule in the experimental flow script to perform auxiliary guidance, recording the error points and calling a voice base in the voice action base through the coding standard script to perform voice prompt;
and an error point output unit for outputting all error point lists when the operation is finished.
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| CN113779763A (en) * | 2021-08-11 | 2021-12-10 | 国家电网有限公司技术学院分公司 | Simulation operation evaluation method and system of direct current system |
| CN114664140A (en) * | 2022-03-10 | 2022-06-24 | 马全胜 | Simulation model, terminal, and data comparison method and system thereof |
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| CN111158472B (en) | 2024-04-30 |
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