CN118197112A - Multi-module electromechanical teaching intelligent management platform - Google Patents
Multi-module electromechanical teaching intelligent management platform Download PDFInfo
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Abstract
The invention belongs to the field of electromechanical teaching intelligent management, and particularly discloses a multi-module electromechanical teaching intelligent management platform, which comprises the following components: the course data importing module ensures accurate importing of circuit diagrams and error-prone point information, the operation data acquiring module acquires student real-time operation videos in real time to acquire key operation data, the wiring accuracy analyzing module analyzes wiring accuracy of students deeply, the wiring mastering degree analyzing module evaluates wiring skills of the students, the error wiring labeling module accurately labels errors to generate reports, the circuit energizing judging module judges circuit states according to accuracy, the student operation evaluating module comprehensively evaluates the student real-time operation skills to achieve skill grading and teaching fitness analysis, and finally, the teacher teaching feedback module feeds evaluation results back to teachers to assist teaching optimization.
Description
Technical Field
The invention belongs to the field of electromechanical teaching intelligent management, and relates to a multi-module electromechanical teaching intelligent management platform.
Background
Along with the rapid development of science and technology and the promotion of education informatization, electromechanical teaching gradually changes from a traditional mode to an intelligent and digital mode, and a traditional electromechanical teaching management mode often depends on manual operation, so that the efficiency is low, mistakes are easy to occur, the requirements of modern teaching cannot be met, and therefore, the development of a multi-module electromechanical teaching intelligent management platform becomes a current problem to be solved urgently.
Although the existing electromechanical teaching intelligent management system meets certain requirements, limitations still exist, and the system is specifically expressed in the following steps: 1. the traditional electromechanical teaching management system generally cannot collect real-time operation videos of students and cannot extract a plurality of operation data from the real-time operation videos, so that teachers are difficult to obtain real performances of the students in the real-time operation process, wiring skill levels of the students cannot be accurately estimated, one-sided performance and inaccuracy of teaching estimation are caused, and improvement of teaching quality is affected.
2. The existing system can only provide simple operation data summarization, but can not deeply mine deep information hidden behind the data, for example, students can grasp the situation of the butt joint line and the capability of accurate operation in the practical operation process, and due to the lack of corresponding technical support, the existing system can not complete such analysis work, so that teachers are difficult to accurately evaluate the skill level of the students, and personalized teaching guidance can not be provided for the students.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the above background art, a multi-module electromechanical teaching intelligent management platform is now provided.
The aim of the invention can be achieved by the following technical scheme: the invention provides a multi-module electromechanical teaching intelligent management platform, which comprises: course data importing module: the wiring circuit diagram is used for importing a target practical operation course and each error-prone wiring position marked in the wiring circuit diagram.
An operation data acquisition module: the method is used for collecting actual operation videos of all students at present, and further obtaining operation data of all students, wherein the operation data comprise total wiring times, error wiring times, corresponding adjustment time of all wiring times and all error wiring positions corresponding to all correct wiring positions.
And a wiring accuracy analysis module: for analyzing wiring accuracy of each student based on operation data of each studentWherein/>Representing the corresponding numbers of different students,/>。
A wiring grasping degree analysis module for analyzing the wiring grasping degree of each student according to the operation data of each student。
Error wiring marking module: for marking each miswiring of each student by each miswiring location of each student and generating a misreport.
The circuit energizing judgment module is used for judging whether the operation circuit corresponding to each student is energized or not according to the wiring accuracy of each student.
A student operation evaluation module for analyzing the operation scale of each student by the wiring accuracy and the wiring mastery of each studentAnd grading the actual operation skills of each student, and analyzing the teaching fitness of the target actual operation course.
And the teacher teaching feedback module is used for feeding back the actual operation skill level of each student and the teaching fitness of the target actual operation course to the target teaching teacher.
Preferably, the acquiring operation data of each student includes: the method comprises the steps of obtaining a wiring image of a last frame in an actual operation video of each student through video processing software, recording the wiring image as a final wiring image of each student, comparing the final wiring image of each student with a wiring circuit diagram of a target actual operation course, and if the connection between the final wiring image of each student and a connection position corresponding to a wiring position in the wiring circuit diagram of the target actual operation course is the same, taking the connection position corresponding to the wiring position of each student as the correct wiring position of each student, and further screening out each correct wiring position of each student.
If the connection line between the final wiring image of a student and the connection position corresponding to a wiring position in the wiring circuit diagram of the target practical operation course is different, the connection position corresponding to the wiring position of the student is used as the wrong wiring position of the student, and then each wrong wiring position of each student in each wiring process is screened out.
And positioning the wiring process of each student at each correct wiring position frame by frame through a video analysis tool, identifying each wiring position of each student in the wiring process of each correct wiring position through an image identification technology, further counting the total wiring times of each student corresponding to each correct wiring position, and screening and counting the error wiring times of each student in the wiring process of each correct wiring position.
And recording the starting time and the ending time of each wiring of each student in the wiring process of each correct wiring position through a time stamp function, and calculating the duration time of each wiring as the corresponding adjustment time of each wiring of each student in the wiring process of each correct wiring position.
Preferably, the analyzing the wiring accuracy of each student includes: extracting the total wiring times of each student at each correct wiring position and the error wiring times of each student in the wiring process of each correct wiring position from the operation data of each student, and respectively recording as、/>Wherein/>Number corresponding to different correct wiring positions,/>Analysis of wiring accuracy/>, for each student，/>。
Preferably, the analyzing the wiring grasping degree of each student includes: and comparing the corresponding adjustment time of each wiring of each student in the wiring process of each correct wiring position with a preset wiring time threshold.
If the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is larger than a preset wiring time threshold value, the wiring of the student in the wiring process of the correct wiring position is used as a slow adjustment wiring; if the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is equal to a preset wiring time threshold value, taking the wiring of the student in the wiring process of the correct wiring position as a common adjustment wiring; if the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is smaller than the preset wiring time threshold value, the wiring of the student in the wiring process of the correct wiring position is used as a quick adjustment wiring, and then the slow adjustment wiring times, the common adjustment wiring times and the quick adjustment wiring times of each student in each correct wiring position are screened and counted and respectively recorded as、/>And/>。
And obtaining wiring images corresponding to each slow adjustment wiring of each student at each correct wiring position through the actual operation video of each student at present, and comparing the wiring images corresponding to each slow adjustment wiring of each student at each correct wiring position with the wiring circuit diagram of the target actual operation course.
If the connection line between the connection image corresponding to a slow adjustment connection of a student at a correct connection position and the connection position corresponding to the slow adjustment connection position of the student at the correct connection position in the connection circuit diagram of the target practice course is the same, the slow adjustment connection of the student at the correct connection position is the correct connection, and the number of times that the slow adjustment connection of each student at each correct connection position is the correct connection is screened and counted, and is recorded as。
According to the analysis mode that the number of times that the slow adjustment wiring of each student at each correct wiring position is correct wiring, the number of times that the common adjustment wiring of each student at each correct wiring position is correct wiring and the number of times that the fast adjustment wiring of each student at each correct wiring position is correct wiring are obtained by the same method, and are respectively recorded asAnd/>。
Analyzing the wiring grasping degree of each student，
Wherein/>Representing the weight corresponding to the number of correct wiring times in the set slow-adjustment wiring times,/>, andRepresenting the weight corresponding to the number of correct wiring times in the set common wiring time adjustmentAnd representing the weight corresponding to the number of times of correct wiring in the set rapid adjustment wiring times.
Preferably, the marking each miswiring of each student includes: and positioning each wrong wiring position of each student, and marking the connecting line between each wrong wiring position of each student and the wiring position corresponding to each wrong wiring position.
Preferably, the determining whether the operation circuit corresponding to each student is powered on includes: comparing the wiring accuracy of each student with a preset accuracy qualification threshold, and electrifying an operation circuit of a student if the wiring accuracy of the student is greater than or equal to the preset accuracy qualification threshold; and if the wiring accuracy of a student is smaller than a preset accuracy qualification threshold, the operation circuit of the student is forbidden to be electrified.
Preferably, the specific formula for analyzing the operation scale of each student is as follows: Wherein/> Representing the weight corresponding to the set wiring accuracy,/>Indicating the weight corresponding to the set wiring grasping degree, and。
Preferably, the step of grading the skills of each student includes: comparing the operation reaching scale of each student with a preset operation reaching threshold, and if the operation reaching scale of a certain student is larger than the preset operation reaching threshold, making the actual operation skill level of the student excellent; if the operation reaching scale of a student is equal to a preset operation reaching threshold, the actual operation skill level of the student is good; if the operation reaching scale of a student is smaller than the preset operation reaching standard threshold, the actual operation skill level of the student is unqualified, and the number of students with excellent actual operation skill level is screened and countedThe skill level of the actual exercises is good student number/>The skill level of the actual exercises is the unqualified student number/>。
Preferably, the analyzing the teaching fitness of the target actual operation course includes: comparing the error-prone wiring positions with the error wiring positions of the students to judge the error-prone wiring quantity of the studentsAnalyzing the teaching fitness/>, of a target actual operation course, by means of the operation reaching scale of each student, the number of students with excellent actual operation skill level, the number of students with good actual operation skill level and the number of students with unqualified actual operation skill level，Wherein/>Indicating the set reference operation to scale,/>Indicating the number of the set reference error prone wires,/>Representing the number of students with excellent skill level of reference practiceRepresenting the number of students with good skill level of the reference real exercisesIndicating the number of students whose reference skill level is unqualified.
Preferably, the feedback to the target teaching teacher includes: comparing the teaching fitness of the target actual operation course with a preset target course qualification threshold teaching, and if the teaching fitness of the target actual operation course is smaller than the preset target course qualification threshold, feeding back to a target teaching teacher.
Compared with the prior art, the invention has the following beneficial effects: (1) According to the invention, through collecting the operation images of the students in real time, extracting a plurality of operation data from the operation images, a teacher can obtain the real performance of the students in the practical operation process, and the wiring skill level of the students can be estimated more accurately, so that the teaching estimation is more sufficient and accurate, the quality and effect of the electromechanical teaching are effectively improved, and the skill improvement and full development of the students are promoted.
(2) According to the invention, the wiring accuracy of each student is analyzed through the operation data of each student, the performance of the student in the wiring process can be objectively and accurately reflected, subjectivity and error possibly existing in the traditional evaluation mode are avoided, and the accurate evaluation is not only helpful for teachers or evaluators to more fully know the actual level of the student, but also provides targeted guidance for subsequent teaching or training.
(3) According to the invention, the mastering degree of the wiring of each student can be fully and accurately known by analyzing the mastering degree of the wiring of each student according to the operation data of each student, the weak links of the students in the wiring skill can be found, the targeted improvement suggestions can be provided for the weak links, the errors or the defects frequently occurring in the wiring process of the students can be identified, and teachers can timely find the difficulties and challenges of the students in the wiring skill learning, so that the mastering degree and the application capability of the wiring skills of the students can be improved.
(4) The automatic error labeling method and the automatic error labeling device greatly improve labeling efficiency through an automatic error labeling function, reduce the workload of manual labeling of teachers, enable the teachers to have more time to concentrate on teaching guidance and strategy formulation, have high accuracy of automatic labeling, can avoid omission or misjudgment caused by human factors, ensure that students obtain accurate feedback and guidance, are beneficial to the quick positioning problem of the students in the error correction process, and definitely improve the direction, so that wiring skills are improved more quickly.
(5) According to the invention, the actual operation skill level of each student and the teaching fitness of the target actual operation course are fed back to the target teaching teacher, so that the teacher can know the learning state and the actual operation skill level of the student more accurately, and can master the performance of the student in the actual operation rapidly by acquiring the actual operation skill level of the student, so that the learning progress and the learning ability of the student can be evaluated more accurately, and meanwhile, the feedback of the teaching fitness can enable the teacher to know the matching degree of the course content and the actual demands of the student, so that a powerful basis is provided for the teacher to adjust the teaching strategy and improve the teaching method.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the connection of the modules of the system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides an intelligent management platform for multi-module electromechanical teaching, which includes: course data import module, operation data acquisition module, wiring accuracy analysis module, wiring grasping degree analysis module, wrong wiring marking module, circuit power-on judging module, student operation evaluation module, teacher teaching feedback module.
The operation data acquisition module is respectively connected with the course data importing module, the error wiring marking module, the wiring accuracy analysis module and the wiring grasping degree analysis module, the wiring accuracy analysis module is respectively connected with the operation data acquisition module, the circuit power-on judgment module and the student operation evaluation module, and the student operation evaluation module is connected with the teacher teaching feedback module.
The course data importing module: the wiring circuit diagram is used for importing a target practical operation course and each error-prone wiring position marked in the wiring circuit diagram.
The operation data acquisition module is used for: the method is used for collecting actual operation videos of all students at present, and further obtaining operation data of all students, wherein the operation data comprise total wiring times, error wiring times, corresponding adjustment time of all wiring times and all error wiring positions corresponding to all correct wiring positions.
Further, the acquiring operation data of each student includes: the method comprises the steps of obtaining a wiring image of a last frame in an actual operation video of each student through video processing software, recording the wiring image as a final wiring image of each student, comparing the final wiring image of each student with a wiring circuit diagram of a target actual operation course, and if the connection between the final wiring image of each student and a connection position corresponding to a wiring position in the wiring circuit diagram of the target actual operation course is the same, taking the connection position corresponding to the wiring position of each student as the correct wiring position of each student, and further screening out each correct wiring position of each student.
If the connection line between the final wiring image of a student and the connection position corresponding to a wiring position in the wiring circuit diagram of the target practical operation course is different, the connection position corresponding to the wiring position of the student is used as the wrong wiring position of the student, and then each wrong wiring position of each student in each wiring process is screened out.
And positioning the wiring process of each student at each correct wiring position frame by frame through a video analysis tool, identifying each wiring position of each student in the wiring process of each correct wiring position through an image identification technology, further counting the total wiring times of each student corresponding to each correct wiring position, and screening and counting the error wiring times of each student in the wiring process of each correct wiring position.
And recording the starting time and the ending time of each wiring of each student in the wiring process of each correct wiring position through a time stamp function, and calculating the duration time of each wiring as the corresponding adjustment time of each wiring of each student in the wiring process of each correct wiring position.
According to the invention, through collecting the operation images of the students in real time, extracting a plurality of operation data from the operation images, a teacher can obtain the real performance of the students in the practical operation process, and the wiring skill level of the students can be estimated more accurately, so that the teaching estimation is more sufficient and accurate, the quality and effect of the electromechanical teaching are effectively improved, and the skill improvement and full development of the students are promoted.
The wiring accuracy analysis module: for analyzing wiring accuracy of each student based on operation data of each studentWherein/>Representing the corresponding numbers of different students,/>。
Further, the analyzing the wiring accuracy of each student includes: extracting the total wiring times of each student at each correct wiring position and the error wiring times of each student in the wiring process of each correct wiring position from the operation data of each student, and respectively recording as、/>Wherein/>Number corresponding to different correct wiring positions,/>Analysis of wiring accuracy/>, for each student，/>。
According to the invention, the wiring accuracy of each student is analyzed through the operation data of each student, the performance of the student in the wiring process can be objectively and accurately reflected, subjectivity and error possibly existing in the traditional evaluation mode are avoided, and the accurate evaluation is not only helpful for teachers or evaluators to more fully know the actual level of the student, but also provides targeted guidance for subsequent teaching or training.
The wiring grasping degree analysis module is used for analyzing the wiring grasping degree of each student according to the operation data of each student。
Further, the analyzing the wiring grasping degree of each student includes: and comparing the corresponding adjustment time of each wiring of each student in the wiring process of each correct wiring position with a preset wiring time threshold.
If the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is larger than a preset wiring time threshold value, the wiring of the student in the wiring process of the correct wiring position is used as a slow adjustment wiring; if the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is equal to a preset wiring time threshold value, taking the wiring of the student in the wiring process of the correct wiring position as a common adjustment wiring; if the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is smaller than the preset wiring time threshold value, the wiring of the student in the wiring process of the correct wiring position is used as a quick adjustment wiring, and then the slow adjustment wiring times, the common adjustment wiring times and the quick adjustment wiring times of each student in each correct wiring position are screened and counted and respectively recorded as、And/>。
And obtaining wiring images corresponding to each slow adjustment wiring of each student at each correct wiring position through the actual operation video of each student at present, and comparing the wiring images corresponding to each slow adjustment wiring of each student at each correct wiring position with the wiring circuit diagram of the target actual operation course.
If the connection line between the connection image corresponding to a slow adjustment connection of a student at a correct connection position and the connection position corresponding to the slow adjustment connection position of the student at the correct connection position in the connection circuit diagram of the target practice course is the same, the slow adjustment connection of the student at the correct connection position is the correct connection, and the number of times that the slow adjustment connection of each student at each correct connection position is the correct connection is screened and counted, and is recorded as。
According to the analysis mode that the number of times that the slow adjustment wiring of each student at each correct wiring position is correct wiring, the number of times that the common adjustment wiring of each student at each correct wiring position is correct wiring and the number of times that the fast adjustment wiring of each student at each correct wiring position is correct wiring are obtained by the same method, and are respectively recorded asAnd/>。
Analyzing the wiring grasping degree of each student，
Wherein/>Representing the weight corresponding to the number of correct wiring times in the set slow-adjustment wiring times,/>, andRepresenting the weight corresponding to the number of correct wiring times in the set common wiring time adjustmentAnd representing the weight corresponding to the number of times of correct wiring in the set rapid adjustment wiring times.
It should be noted that, in one embodiment,Can be set to 0.25,/>Can be set to 0.35,/>The number of times of the slow adjustment wiring can be set to 0.4, which generally means that students encounter greater difficulty or uncertainty in the wiring process, more time is required for thinking and adjustment, the number of times of the ordinary adjustment wiring represents the wiring speed and accuracy of the students under normal conditions, however, the number of times of the fast adjustment wiring represents the fast response and accurate completion ability of the students when facing simple or familiar tasks, in this period, the students can complete wiring operation quickly and accurately, which is important for the grasping degree of the wirings of the students, so the number of times of the correct wiring in the number of times of the fast adjustment wiring is larger than the weight corresponding to the number of times of the correct wiring in the number of times of the slow adjustment wiring and the weight corresponding to the number of times of the correct wiring in the number of times of the ordinary adjustment wiring.
According to the invention, the mastering degree of the wiring of each student can be fully and accurately known by analyzing the mastering degree of the wiring of each student according to the operation data of each student, the weak links of the students in the wiring skill can be found, the targeted improvement suggestions can be provided for the weak links, the errors or the defects frequently occurring in the wiring process of the students can be identified, and teachers can timely find the difficulties and challenges of the students in the wiring skill learning, so that the mastering degree and the application capability of the wiring skills of the students can be improved.
The miswiring marking module is used for: for marking each miswiring of each student by each miswiring location of each student and generating a misreport.
Further, the marking each miswiring of each student includes: and positioning each wrong wiring position of each student, and marking the connecting line between each wrong wiring position of each student and the wiring position corresponding to each wrong wiring position.
The automatic error labeling method and the automatic error labeling device greatly improve labeling efficiency through an automatic error labeling function, reduce the workload of manual labeling of teachers, enable the teachers to have more time to concentrate on teaching guidance and strategy formulation, have high accuracy of automatic labeling, can avoid omission or misjudgment caused by human factors, ensure that students obtain accurate feedback and guidance, are beneficial to the quick positioning problem of the students in the error correction process, and definitely improve the direction, so that wiring skills are improved more quickly.
The circuit power-on judging module is used for: and the operation circuit is used for judging whether the operation circuit corresponding to each student is electrified or not according to the wiring accuracy of each student.
Further, the determining whether the operation circuit corresponding to each student is powered on includes: comparing the wiring accuracy of each student with a preset accuracy qualification threshold, and electrifying an operation circuit of a student if the wiring accuracy of the student is greater than or equal to the preset accuracy qualification threshold; and if the wiring accuracy of a student is smaller than a preset accuracy qualification threshold, the operation circuit of the student is forbidden to be electrified.
By judging the wiring accuracy, the system can rapidly judge whether the circuit is electrified, so that instant operation result feedback is provided for students. The instant feedback is helpful for students to find errors or problems in wiring in time and adjust in time, so as to avoid continuous error making in subsequent operation.
The student operation evaluation module is used for analyzing the operation reaching scale of each student through the wiring accuracy and the wiring grasping degree of each studentAnd grading the actual operation skills of each student, and analyzing the teaching fitness of the target actual operation course.
Further, the specific formula for analyzing the operation scale of each student is as follows: Wherein/> Representing the weight corresponding to the set wiring accuracy,/>Indicating the weight corresponding to the set wiring grasping degree, and。
It should be noted that, in one embodiment,Can be set to 0.5,/>The wiring accuracy can be set to 0.5, is one of core indexes for measuring the actual skill level of students, directly reflects the operation accuracy and correctness of the students in the wiring process, is crucial for ensuring the safety and the effectiveness of circuit connection, and the wiring mastery is a key index for evaluating the mastery degree and the proficiency of the students on the wiring skill, comprehensively considers the correct wiring duty ratio of the students in different adjustment time, and reflects the corresponding capability of the students in the face of tasks with different difficulties and complexities, so that the weight corresponding to the wiring accuracy is equal to the weight corresponding to the wiring mastery degree.
Further, the step of grading the actual skills of each student includes: comparing the operation reaching scale of each student with a preset operation reaching threshold, and if the operation reaching scale of a certain student is larger than the preset operation reaching threshold, making the actual operation skill level of the student excellent; if the operation reaching scale of a student is equal to a preset operation reaching threshold, the actual operation skill level of the student is good; if the operation reaching scale of a student is smaller than the preset operation reaching standard threshold, the actual operation skill level of the student is unqualified, and the number of students with excellent actual operation skill level is screened and countedThe skill level of the actual exercises is good student number/>The skill level of the actual exercises is the unqualified student number/>。
Further, the analyzing the teaching fitness of the target actual operation course includes: comparing the error-prone wiring positions with the error wiring positions of the students to judge the error-prone wiring quantity of the studentsAnalyzing the teaching fitness/>, of a target actual operation course, by means of the operation reaching scale of each student, the number of students with excellent actual operation skill level, the number of students with good actual operation skill level and the number of students with unqualified actual operation skill level，Wherein/>Indicating the set reference operation to scale,/>Indicating the number of the set reference error prone wires,/>Representing the number of students with excellent skill level of reference practiceRepresenting the number of students with good skill level of the reference real exercisesIndicating the number of students whose reference skill level is unqualified.
In a specific embodiment, the reference operation reach scale and the reference error prone wire number can be extracted from an operation log, the reference operation reach standard in the student wiring process is usually 0.6, the reference error prone wire number is usually 10, the number of students with excellent reference actual skill level is usually 10, the number of students with good reference actual skill level is usually 30, and the number of students with unqualified reference actual skill level is usually 10.
According to the invention, the wiring accuracy and wiring mastery analysis operation of each student are scaled, so that the actual operation skill classification and course fitness analysis are performed, and the method has the advantages of fully evaluating, individuating teaching, optimizing course design, improving learning power and the like, and is beneficial to improving the teaching quality of the actual operation course and the learning effect of the students.
The teacher teaching feedback module is used for feeding the actual operation skill level of each student and the teaching fitness of the target actual operation course back to the target teaching teacher.
Preferably, the feedback to the target teaching teacher includes: comparing the teaching fitness of the target actual operation course with a preset target course qualification threshold teaching, and if the teaching fitness of the target actual operation course is smaller than the preset target course qualification threshold, feeding back to a target teaching teacher.
According to the invention, the actual operation skill level of each student and the teaching fitness of the target actual operation course are fed back to the target teaching teacher, so that the teacher can know the learning state and the actual operation skill level of the student more accurately, and can master the performance of the student in the actual operation rapidly by acquiring the actual operation skill level of the student, so that the learning progress and the learning ability of the student can be evaluated more accurately, and meanwhile, the feedback of the teaching fitness can enable the teacher to know the matching degree of the course content and the actual demands of the student, so that a powerful basis is provided for the teacher to adjust the teaching strategy and improve the teaching method.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. An intelligent management platform of multi-module electromechanical teaching, which is characterized in that: comprising the following steps:
course data importing module: the wiring circuit diagram is used for importing a target practical operation course and each error-prone wiring position marked in the wiring circuit diagram;
An operation data acquisition module: the system is used for collecting actual operation videos of all students at present, and further obtaining operation data of all students, wherein the operation data comprises total wiring times, error wiring times, corresponding adjustment time of all wiring times and all error wiring positions corresponding to all correct wiring positions;
And a wiring accuracy analysis module: for analyzing wiring accuracy of each student based on operation data of each student WhereinRepresenting the corresponding numbers of different students,/>；
A wiring grasping degree analysis module for analyzing the wiring grasping degree of each student according to the operation data of each student；
Error wiring marking module: the error wiring system is used for marking each error wiring of each student through each error wiring position of each student and generating an error report;
The circuit energizing judgment module is used for judging whether the operation circuit corresponding to each student is energized or not according to the wiring accuracy of each student;
A student operation evaluation module for analyzing the operation scale of each student by the wiring accuracy and the wiring mastery of each student Performing actual operation skill grading on each student, and analyzing the teaching fitness of the target actual operation course;
and the teacher teaching feedback module is used for feeding back the actual operation skill level of each student and the teaching fitness of the target actual operation course to the target teaching teacher.
2. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the obtaining operation data of each student includes:
Acquiring a wiring image of the last frame in the actual operation video of each student through video processing software, recording the wiring image as a final wiring image of each student, comparing the final wiring image of each student with a wiring circuit diagram of a target actual operation course, and if the connection between the final wiring image of a student and a connection position corresponding to a wiring position in the wiring circuit diagram of the target actual operation course is the same, taking the connection position corresponding to the wiring position of the student as the correct wiring position of the student, and further screening out each correct wiring position of each student;
If the connection line between the final wiring image of a student and the connection position corresponding to a wiring position in the wiring circuit diagram of the target practical operation course is different, the connection position corresponding to the wiring position of the student is used as the error wiring position of the student, and each error wiring position of each student is further screened out;
The wiring process of each student at each correct wiring position is positioned frame by frame through a video analysis tool, each wiring position of each student in the wiring process of each correct wiring position is identified through an image identification technology, the total wiring times of each student at each correct wiring position are counted, and the error wiring times of each student in the wiring process of each correct wiring position are screened and counted;
And recording the starting time and the ending time of each wiring of each student in the wiring process of each correct wiring position through a time stamp function, and calculating the duration time of each wiring as the corresponding adjustment time of each wiring of each student in the wiring process of each correct wiring position.
3. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the analyzing the wiring accuracy of each student includes:
Extracting the total wiring times of each student at each correct wiring position and the error wiring times of each student in the wiring process of each correct wiring position from the operation data of each student, and respectively recording as 、/>Wherein/>Number corresponding to different correct wiring positions,/>Analysis of wiring accuracy/>, for each student，。
4. A multi-module electromechanical teaching intelligent management platform according to claim 3 and characterized in that: the analyzing the wiring grasping degree of each student comprises the following steps:
The corresponding adjustment time of each wiring of each student in the wiring process of each correct wiring position is compared with a preset wiring time threshold;
If the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is larger than a preset wiring time threshold value, the wiring of the student in the wiring process of the correct wiring position is used as a slow adjustment wiring; if the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is equal to a preset wiring time threshold value, taking the wiring of the student in the wiring process of the correct wiring position as a common adjustment wiring; if the corresponding adjustment time of a certain wiring of a student in the wiring process of a certain correct wiring position is smaller than the preset wiring time threshold value, the wiring of the student in the wiring process of the correct wiring position is used as a quick adjustment wiring, and then the slow adjustment wiring times, the common adjustment wiring times and the quick adjustment wiring times of each student in each correct wiring position are screened and counted and respectively recorded as 、And/>；
Obtaining wiring images corresponding to each slow adjustment wiring of each student at each correct wiring position through the actual operation video of each student at present, and comparing the wiring images corresponding to each slow adjustment wiring of each student at each correct wiring position with a wiring circuit diagram of a target actual operation course;
If the connection line between the connection image corresponding to a slow adjustment connection of a student at a correct connection position and the connection position corresponding to the slow adjustment connection position of the student at the correct connection position in the connection circuit diagram of the target practice course is the same, the slow adjustment connection of the student at the correct connection position is the correct connection, and the number of times that the slow adjustment connection of each student at each correct connection position is the correct connection is screened and counted, and is recorded as ；
According to the analysis mode that the number of times that the slow adjustment wiring of each student at each correct wiring position is correct wiring, the number of times that the common adjustment wiring of each student at each correct wiring position is correct wiring and the number of times that the fast adjustment wiring of each student at each correct wiring position is correct wiring are obtained by the same method, and are respectively recorded asAnd/>；
Analyzing the wiring grasping degree of each student，
Wherein/>Representing the weight corresponding to the number of correct wiring times in the set slow-adjustment wiring times,/>, andRepresenting the weight corresponding to the number of correct wiring times in the set common wiring time adjustmentAnd representing the weight corresponding to the number of times of correct wiring in the set rapid adjustment wiring times.
5. The multi-module electromechanical teaching intelligent management platform according to claim 2, wherein: the marking of each miswiring for each student includes:
and positioning each wrong wiring position of each student, and marking the connecting line between each wrong wiring position of each student and the wiring position corresponding to each wrong wiring position.
6. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the judging whether the operation circuit corresponding to each student is electrified or not comprises the following steps:
Comparing the wiring accuracy of each student with a preset accuracy qualification threshold, and electrifying an operation circuit of a student if the wiring accuracy of the student is greater than or equal to the preset accuracy qualification threshold; and if the wiring accuracy of a student is smaller than a preset accuracy qualification threshold, the operation circuit of the student is forbidden to be electrified.
7. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the specific formula for analyzing the operation scale of each student is as follows: Wherein/> Representing the weight corresponding to the set wiring accuracy,/>The weight corresponding to the set wiring grasping degree is expressed, and/>。
8. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the step of grading the skill of the practical exercises for each student comprises the following steps:
Comparing the operation reaching scale of each student with a preset operation reaching threshold, and if the operation reaching scale of a certain student is larger than the preset operation reaching threshold, making the actual operation skill level of the student excellent; if the operation reaching scale of a student is equal to a preset operation reaching threshold, the actual operation skill level of the student is good; if the operation reaching scale of a student is smaller than the preset operation reaching standard threshold, the actual operation skill level of the student is unqualified, and the number of students with excellent actual operation skill level is screened and counted The skill level of the actual exercises is good student number/>The skill level of the actual exercises is the unqualified student number/>。
9. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the teaching fitness of the analysis target actual operation course comprises the following steps:
Comparing the error-prone wiring positions with the error wiring positions of the students to judge the error-prone wiring quantity of the students Analyzing the teaching fitness/>, of a target actual operation course, by means of the operation reaching scale of each student, the number of students with excellent actual operation skill level, the number of students with good actual operation skill level and the number of students with unqualified actual operation skill level，Wherein/>Indicating the set reference operation to scale,/>Indicating the number of the set reference error prone wires,/>Representing the number of students with excellent skill level of reference practiceRepresenting the number of students with good skill level of the reference real exercisesIndicating the number of students whose reference skill level is unqualified.
10. The multi-module electromechanical teaching intelligent management platform according to claim 1, wherein: the feedback to the target teaching teacher includes:
Comparing the teaching fitness of the target actual operation course with a preset target course qualification threshold teaching, and if the teaching fitness of the target actual operation course is smaller than the preset target course qualification threshold, feeding back to a target teaching teacher.
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