Student learning habits analysis system based on big data

Abstract

The invention discloses a student learning habit analysis system based on big data, and relates to the technical field of big data. The system comprises a modeling module, a coordinate system establishment module and a fixed point module; the modeling module is used to establish a three-dimensional model of the classroom where the students are located, the coordinate system establishment module is used to establish the coordinate system of the three-dimensional model, and the fixed point module is used to update the positioning of the coordinate points of the key parts of each student; the invention is scientific and reasonable, safe and convenient to use, and the modeling module and the coordinate system establishment module can be used to display the environment in the classroom in a digitalized manner, so that the sitting posture of the students can be analyzed in a digital form, so that the analysis of the sitting posture of the students is more accurate, so that the sitting posture of the students can be corrected in time.

Description

Technical Field

[0001] The present invention relates to the field of big data technology, and in particular to a student learning habit analysis system based on big data. Background Art

[0002] In the current educational context, more and more young people have received a better education. With the continuous improvement of the education level, the learning pressure of students is also increasing. More and more young people suffer serious damage to their eyes due to improper sitting posture in the learning process. This has also led to more and more students wearing glasses. The adjustment of students' sitting posture can only be reminded by teachers and parents. However, in the process of learning in school, teachers cannot take care of the sitting posture of every student in an all-round way. In the long run, it will cause damage to students' eyes and spines. How to accurately remind students according to their sitting posture has become a problem to be solved. If students can be reminded in time when their sitting posture is not standard and they are reminded to correct their sitting posture, it can effectively ensure the healthy growth of students. Therefore, people urgently need a student learning habit analysis system based on big data to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a student learning habit analysis system based on big data to solve the problems raised in the prior art.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a student learning habit analysis system based on big data, the system comprising a modeling module, a coordinate system establishment module, a control module, a fixed point module, a reminder point confirmation module and a sitting posture correction module;

[0005] The modeling module is used to establish a three-dimensional model of the classroom where the students are located, so as to realize digital monitoring of the students in the classroom and realize accurate judgment of the students' sitting posture. The coordinate system establishment module is used to establish the coordinate system of the three-dimensional model, so as to accurately locate the coordinate value of each student in the classroom, so as to determine whether the student's sitting posture is standard according to the change of the coordinate value. The control module is used to intelligently control the entire system and analyze the digital student sitting posture. The fixed point module is used to update the positioning of the coordinate points of the key parts of each student. The reminder point confirmation module is used to confirm the position of the student's gaze, so as to remind the student to pay attention to the sitting posture through light, and at the same time, it will not interfere with the normal learning of other students. The sitting posture correction module is used to remind students with non-standard sitting posture through light, so that students can correct their sitting posture in time, which is also conducive to teachers reminding students to correct their sitting posture in time, ensuring the healthy growth of students.

[0006] The coordinate system establishment module and the reminder point confirmation module are both electrically connected to the modeling module, the output end of the fixed point module is electrically connected to the input end of the modeling module, the output end of the coordinate system establishment module and the reminder point confirmation module are electrically connected to the input end of the control module, and the output end of the control module is electrically connected to the input end of the sitting posture correction module.

[0007] According to the above technical solution, the modeling module includes a three-dimensional scanning unit and a model building unit;

[0008] The three-dimensional scanning unit is a three-dimensional scanner, which is used to scan the environment of the entire classroom and the students in the classroom with three-dimensional data, so as to obtain a digital classroom environment, so as to facilitate the digital analysis of the students' sitting posture and other learning habits. The model building unit is used to build a three-dimensional model of the classroom according to the three-dimensional data scanned by the three-dimensional scanning unit, so as to facilitate the model-based monitoring of the teacher's environment;

[0009] The output end of the three-dimensional scanning unit is electrically connected to the input end of the model building module.

[0010] According to the above technical solution, the coordinate system establishment module includes a three-dimensional coordinate system establishment unit, a two-dimensional coordinate system establishment unit and a coordinate system conversion unit;

[0011] The three-dimensional coordinate system establishment unit is used to establish a three-dimensional rectangular coordinate system of the three-dimensional model, so as to confirm the position of each student in the three-dimensional coordinate system, and then to confirm the position of each student in the classroom. The two-dimensional coordinate system establishment unit is used to establish a two-dimensional rectangular coordinate system of the vertical plane where each student is located, and the two-dimensional rectangular coordinate system is perpendicular to the plane where the classroom blackboard is located, so as to judge the degree of curvature of the student's spine. The coordinate system conversion unit is used to convert the two-dimensional rectangular coordinate system and the three-dimensional rectangular coordinate system according to the analysis needs, so as to select a coordinate system that is more convenient for analysis to analyze the student's sitting posture and position;

[0012] The output ends of the two-dimensional coordinate system establishing unit and the three-dimensional coordinate system establishing unit are electrically connected to the input end of the model establishing unit, and the output end of the model establishing unit is electrically connected to the input end of the coordinate system conversion unit.

[0013] According to the above technical solution, the control module includes a central control unit and a data processing unit;

[0014] The central control unit is used to intelligently control the entire system and send a sitting posture correction instruction to the student. The data processing unit is used to analyze the sitting posture and position of the student according to the coordinate data of the student in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system.

[0015] The output end of the coordinate system conversion unit is electrically connected to the input end of the data processing unit, and the output end of the data processing unit is electrically connected to the input end of the central control unit.

[0016] According to the above technical solution, the fixed-point module includes a coordinate point positioning unit and a coordinate point refreshing unit;

[0017] The coordinate point positioning unit is used to locate the coordinate value of each part of the students in the classroom in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system, and assign the coordinate value of each part of the students ( ), such as neck, back, buttocks, etc., the coordinate point refreshing unit is used to refresh the coordinate values ​​of the same part of the student in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system at intervals of time T and reassign the coordinate values ​​( ), in order to determine the changes in students' sitting posture;

[0018] The output ends of the coordinate point positioning unit and the coordinate point refreshing unit are both electrically connected to the input end of the model building unit.

[0019] According to the above technical solution, the reminder point confirmation module includes an angle confirmation unit and a position prediction unit;

[0020] The angle confirmation unit is used to confirm the tilt angle of the student's head according to the coordinate value of the student's head, so as to determine the position where the student's eyes are looking. The position prediction unit is used to determine the position where the student's eyes are looking according to the tilt angle of the student's head. The position prediction unit establishes an extension line perpendicular to the position of the student's eyes and the tilt angle of the head in a two-dimensional rectangular coordinate system, so as to illuminate the reminder light at the position where the student's eyes are looking, so as to remind the student to pay attention to the sitting posture;

[0021] The output end of the central control unit is electrically connected to the input end of the angle confirmation unit, the output end of the angle confirmation unit is electrically connected to the input end of the model establishment unit, the output end of the model establishment unit is electrically connected to the input end of the position prediction unit, and the output end of the position prediction unit is electrically connected to the input end of the central control unit.

[0022] According to the above technical solution, the sitting posture correction module includes an adjustment servo motor and a reminder laser light;

[0023] The output shaft of the regulating servo motor is connected to the reminder laser light, and the regulating servo motor is used to control the reminder laser light to illuminate the position of the student's gaze predicted by the position prediction unit. The light of the reminder laser light is used to remind the student to pay attention to the sitting posture, and will not cause a significant impact on other students;

[0024] The output end of the central control unit is electrically connected to the input end of the regulating servo motor and the reminding laser light.

[0025] According to the above technical solution, in the two-dimensional rectangular coordinate system, the coordinate value of the student's neck after being refreshed by the coordinate point refreshing unit is (X a , Y a ), the coordinate value of the student's hip after the coordinate refreshing unit is refreshed is (X b , Y b ), the data processing unit calculates the curvature angle of the student's spine according to the following formula ;

[0026] ;

[0027] when < When the student sits in the correct position, it indicates that the student's sitting position is correct and there is no need to remind the student to correct the sitting position.

[0028] when ≥ When the angle of the student's spine is increased, it indicates that the student's spine is bent more, which will cause damage to the student's spine and eyes. Indicates the set angle threshold.

[0029] According to the above technical solution, when ≥ When the coordinate point positioning unit positions the student's head in the two-dimensional rectangular coordinate system, the coordinate value is (X c , Y c );

[0030] The angle confirmation unit determines the tilt angle of the student's head according to the following formula: Perform the calculation:

[0031] ;

[0032] The coordinate point positioning unit positions the pupil's eye at a coordinate value in a two-dimensional rectangular coordinate system (X d , Y d );

[0033] The position prediction unit uses the coordinate point (X d , Y d ) as the center, establish The vertical extension line has an angle of , = +90°;

[0034] ;

[0035] The coordinate system conversion unit converts the coordinates into a three-dimensional rectangular coordinate system, the coordinate point of the surface where the extension line contacts the student's gaze is (Xk, Yk, Zk), and the position prediction unit establishes a gaze area with the coordinate point (Xk, Yk, Zk) as the center and a radius of R, which is the area where the student's gaze reaches;

[0036] The central controller controls the reminder laser light to light up, and the adjustment servo motor controls the reminder laser light to illuminate the student's sight area, so as to remind the student to adjust his sitting posture.

[0037] According to the above technical solution, when the reminder laser light is aimed at the extension line, the central control unit controls the power of the reminder laser light to prevent the laser light from affecting other students during the process of power movement.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] 1. The present invention utilizes a modeling module to establish a three-dimensional model of the internal environment of a classroom, and utilizes a coordinate system establishment module to establish a three-dimensional rectangular coordinate system and a plane rectangular coordinate system of the three-dimensional model, so that the positions of students in the classroom can be understood through the three-dimensional rectangular coordinate system, and the two-dimensional rectangular coordinate system, the fixed-point module and the data processing unit can be used to calculate the curvature angle of the students' spine, so that it is possible to determine whether the students' sitting posture is standard through digitalization, so that students can be reminded to correct their sitting posture in time, so that students can maintain good learning habits.

[0040] 2. The present invention utilizes an angle confirmation unit and a position prediction unit to determine and predict the gaze position of students with abnormal sitting postures, and uses an adjustable servo motor to control a reminder laser light to aim at the area where the students are looking. This allows the laser light to remind students to adjust their sitting postures, without affecting other students, and can remind students to pay attention to their sitting postures at all times. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a structural schematic diagram of a student learning habit analysis system based on big data according to the present invention;

[0042] Figure 2 This is a schematic diagram of the module connection structure of a student learning habit analysis system based on big data in the present invention;

[0043] Figure 3 This is a schematic diagram of the unit connection structure of a student learning habit analysis system based on big data in the present invention. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] like Figures 1 to 3 As shown, a student learning habit analysis system based on big data includes a modeling module, a coordinate system establishment module, a control module, a fixed point module, a reminder point confirmation module and a sitting posture correction module;

[0046] The modeling module is used to establish a three-dimensional model of the classroom where the students are located, so as to realize digital monitoring of the students in the classroom and realize accurate judgment of the students' sitting posture. The coordinate system establishment module is used to establish the coordinate system of the three-dimensional model, so as to accurately locate the coordinate value of each student in the classroom, so as to determine whether the student's sitting posture is standard according to the change of the coordinate value. The control module is used to intelligently control the entire system and analyze the digital student sitting posture. The fixed point module is used to update the positioning of the coordinate points of the key parts of each student. The reminder point confirmation module is used to confirm the position of the student's gaze, so as to remind the student to pay attention to the sitting posture through light, and at the same time, it will not interfere with the normal learning of other students. The sitting posture correction module is used to remind students with non-standard sitting posture through light, so that students can correct their sitting posture in time, which is also conducive to teachers reminding students to correct their sitting posture in time, ensuring the healthy growth of students.

[0047] The coordinate system establishment module and the reminder point confirmation module are both electrically connected to the modeling module, the output end of the fixed point module is electrically connected to the input end of the modeling module, the output end of the coordinate system establishment module and the reminder point confirmation module are electrically connected to the input end of the control module, and the output end of the control module is electrically connected to the input end of the sitting posture correction module.

[0048] The modeling module includes a three-dimensional scanning unit and a model building unit;

[0049] The three-dimensional scanning unit is a three-dimensional scanner, which is used to scan the environment of the entire classroom and the students in the classroom with three-dimensional data, so as to obtain a digital classroom environment, so as to facilitate the digital analysis of the students' sitting posture and other learning habits. The model building unit is used to build a three-dimensional model of the classroom according to the three-dimensional data scanned by the three-dimensional scanning unit, so as to facilitate the model-based monitoring of the teacher's environment;

[0050] The output end of the three-dimensional scanning unit is electrically connected to the input end of the model building module.

[0051] The coordinate system establishment module includes a three-dimensional coordinate system establishment unit, a two-dimensional coordinate system establishment unit and a coordinate system conversion unit;

[0052] The three-dimensional coordinate system establishment unit is used to establish a three-dimensional rectangular coordinate system of the three-dimensional model, so as to confirm the position of each student in the three-dimensional coordinate system, and then to confirm the position of each student in the classroom. The two-dimensional coordinate system establishment unit is used to establish a two-dimensional rectangular coordinate system of the vertical plane where each student is located, and the two-dimensional rectangular coordinate system is perpendicular to the plane where the classroom blackboard is located, so as to judge the degree of curvature of the student's spine. The coordinate system conversion unit is used to convert the two-dimensional rectangular coordinate system and the three-dimensional rectangular coordinate system according to the analysis needs, so as to select a coordinate system that is more convenient for analysis to analyze the student's sitting posture and position;

[0053] The output ends of the two-dimensional coordinate system establishing unit and the three-dimensional coordinate system establishing unit are electrically connected to the input end of the model establishing unit, and the output end of the model establishing unit is electrically connected to the input end of the coordinate system conversion unit.

[0054] The control module includes a central control unit and a data processing unit;

[0055] The central control unit is used to intelligently control the entire system and send a sitting posture correction instruction to the student. The data processing unit is used to analyze the sitting posture and position of the student according to the coordinate data of the student in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system.

[0056] The output end of the coordinate system conversion unit is electrically connected to the input end of the data processing unit, and the output end of the data processing unit is electrically connected to the input end of the central control unit.

[0057] The fixed-point module includes a coordinate point positioning unit and a coordinate point refreshing unit;

[0058] The coordinate point positioning unit is used to locate the coordinate value of each part of the students in the classroom in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system, and assign the coordinate value of each part of the students ( ), such as neck, back, buttocks, etc., the coordinate point refreshing unit is used to refresh the coordinate values ​​of the same part of the student in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system at intervals of time T and reassign the coordinate values ​​( ), in order to determine the changes in students' sitting posture;

[0059] The output ends of the coordinate point positioning unit and the coordinate point refreshing unit are both electrically connected to the input end of the model building unit.

[0060] The reminder point confirmation module includes an angle confirmation unit and a position prediction unit;

[0061] The angle confirmation unit is used to confirm the tilt angle of the student's head according to the coordinate value of the student's head, so as to determine the position where the student's eyes are looking. The position prediction unit is used to determine the position where the student's eyes are looking according to the tilt angle of the student's head. The position prediction unit establishes an extension line perpendicular to the position of the student's eyes and the tilt angle of the head in a two-dimensional rectangular coordinate system, so as to illuminate the reminder light at the position where the student's eyes are looking, so as to remind the student to pay attention to the sitting posture;

[0062] The output end of the central control unit is electrically connected to the input end of the angle confirmation unit, the output end of the angle confirmation unit is electrically connected to the input end of the model establishment unit, the output end of the model establishment unit is electrically connected to the input end of the position prediction unit, and the output end of the position prediction unit is electrically connected to the input end of the central control unit.

[0063] The sitting posture correction module includes an adjustment servo motor and a warning laser light;

[0064] The output shaft of the regulating servo motor is connected to the reminder laser light, and the regulating servo motor is used to control the reminder laser light to illuminate the position of the student's gaze predicted by the position prediction unit. The light of the reminder laser light is used to remind the student to pay attention to the sitting posture, and will not cause a significant impact on other students;

[0065] The output end of the central control unit is electrically connected to the input end of the regulating servo motor and the reminding laser light.

[0066] In the two-dimensional rectangular coordinate system, the coordinate value of the student's neck after being refreshed by the coordinate point refreshing unit is (X a , Y a ), the coordinate value of the student's hip after the coordinate refreshing unit is refreshed is (X b , Y b ), the data processing unit calculates the curvature angle of the student's spine according to the following formula ;

[0067] ;

[0068] when When the student sits in the correct position, it indicates that the student's sitting position is correct and there is no need to remind the student to correct the sitting position.

[0069] when ≥ When the angle of the student's spine is increased, it indicates that the student's spine is bent more, which will cause damage to the student's spine and eyes. Indicates the set angle threshold.

[0070] when ≥ When the coordinate point positioning unit positions the student's head in the two-dimensional rectangular coordinate system, the coordinate value is (X c , Y c );

[0071] The angle confirmation unit determines the tilt angle of the student's head according to the following formula: Perform the calculation:

[0072] ;

[0073] The coordinate point positioning unit positions the pupil's eye at a coordinate value in a two-dimensional rectangular coordinate system (X d , Y d );

[0074] The position prediction unit uses the coordinate point (X d , Y d ) as the center, establish The vertical extension line has an angle of , ;

[0075] ;

[0076] The coordinate system conversion unit converts the coordinates into a three-dimensional rectangular coordinate system, the coordinate point of the surface where the extension line contacts the student's gaze is (Xk, Yk, Zk), and the position prediction unit establishes a gaze area with the coordinate point (Xk, Yk, Zk) as the center and a radius of R, which is the area where the student's gaze reaches;

[0077] The central controller controls the reminder laser light to light up, and the adjustment servo motor controls the reminder laser light to illuminate the student's sight area, so as to remind the student to adjust his sitting posture.

[0078] When the reminder laser light is aimed at the extension line, the central control unit controls the power of the reminder laser light to prevent the laser light from affecting other students during the process of power movement.

[0079] Embodiment 1:

[0080] In the two-dimensional rectangular coordinate system, the coordinate value of the student's neck after being refreshed by the coordinate point refresh unit is (-1.5, 6.7), and the coordinate value of the student's hip after being refreshed by the coordinate refresh unit is (0, 0). The data processing unit calculates the bending angle of the student's spine according to the following formula: ;

[0081] ;

[0082] =15, indicating that the students’ sitting posture is standard and there is no need to remind them to correct their sitting posture.

[0083] Embodiment 2:

[0084] In the two-dimensional rectangular coordinate system, the coordinate value of the student's neck after being refreshed by the coordinate point refresh unit is (-2.5, 6.3), and the coordinate value of the student's hip after being refreshed by the coordinate refresh unit is (0, 0). The data processing unit calculates the curvature angle of the student's spine according to the following formula: ;

[0085] ;

[0086] when ≥ =15°, it indicates that the student's spinal curvature angle increases, which may cause damage to the student's spine and eyes.

[0087] when ≥ When , the coordinate point positioning unit positions the coordinate value of the student's head in the two-dimensional rectangular coordinate system as (-3.6, 7.5);

[0088] The angle confirmation unit determines the tilt angle of the student's head according to the following formula: Perform the calculation:

[0089] ;

[0090] The coordinate point positioning unit positions the pupil's eye at a coordinate value in a two-dimensional rectangular coordinate system (X d , Y d ) = (-3.2,7.1);

[0091] The position prediction unit uses the coordinate point (X d , Y d ) as the center, establish The vertical extension line has an angle of , = +90°;

[0092] ;

[0093] The coordinate system conversion unit converts the coordinates into a three-dimensional rectangular coordinate system, the coordinate point of the surface where the extension line contacts the student's gaze is (-6.5, 0, 0), and the position prediction unit establishes a gaze area with the coordinate point (-6.5, 0, 0) as the center and a radius of R = 15 cm, which is the area where the student's gaze reaches;

[0094] The central controller controls the reminder laser light to light up, and the adjustment servo motor controls the reminder laser light to illuminate the student's sight area, so as to remind the student to adjust his sitting posture.

[0095] When the reminder laser light is aimed at the extension line, the central control unit controls the power of the reminder laser light to prevent the laser light from affecting other students during the process of power movement.

[0096] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A student learning habit analysis system based on big data, characterized by: The system includes a modeling module, a coordinate system establishment module, a control module, a fixed point module, a reminder point confirmation module and a sitting posture correction module; The modeling module is used to establish a three-dimensional model of the classroom where the students are located, the coordinate system establishment module is used to establish the coordinate system of the three-dimensional model, the control module is used to intelligently control the entire system and analyze the digital sitting posture of the students, the fixed point module is used to update the positioning of the coordinate points of the key parts of each student, the reminder point confirmation module is used to confirm the position of the students' gaze, and the sitting posture correction module is used to remind students with non-standard sitting postures through light; The modeling module includes a three-dimensional scanning unit and a model building unit; The three-dimensional scanning unit is a three-dimensional scanner, which is used to scan the entire classroom environment and the students in the classroom in three dimensions, so as to obtain a digital classroom environment, so as to conduct a digital analysis of the students' sitting posture and learning habits; The coordinate system establishment module includes a three-dimensional coordinate system establishment unit, a two-dimensional coordinate system establishment unit and a coordinate system conversion unit; The three-dimensional coordinate system establishment unit is used to establish a three-dimensional rectangular coordinate system of the three-dimensional model; the two-dimensional coordinate system establishment unit is used to establish a two-dimensional rectangular coordinate system of the vertical plane where each student is located, and the two-dimensional rectangular coordinate system is perpendicular to the plane where the classroom blackboard is located; the coordinate system conversion unit is used to convert the two-dimensional rectangular coordinate system and the three-dimensional rectangular coordinate system according to the analysis needs; The output ends of the two-dimensional coordinate system establishment unit and the three-dimensional coordinate system establishment unit are electrically connected to the input end of the model establishment unit, and the output end of the model establishment unit is electrically connected to the input end of the coordinate system conversion unit; The input end of the model building unit is electrically connected to the output end of the three-dimensional scanning unit, and the model building unit is used to build a three-dimensional model of the classroom according to the three-dimensional data scanned by the three-dimensional scanning unit, so as to facilitate model-based monitoring of the teacher's environment; The coordinate system establishment module and the reminder point confirmation module are both electrically connected to the modeling module, the output end of the fixed point module is electrically connected to the input end of the modeling module, the output ends of the coordinate system establishment module and the reminder point confirmation module are electrically connected to the input end of the control module, and the output end of the control module is electrically connected to the input end of the sitting posture correction module; The control module includes a central control unit and a data processing unit; The central control unit is used to intelligently control the entire system and send a sitting posture correction instruction to the student; the data processing unit is used to analyze the student's sitting posture and position according to the coordinate data of the student in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system; The fixed-point module includes a coordinate point positioning unit and a coordinate point refreshing unit; The coordinate point positioning unit is used to locate the coordinate value of each part of the students in the classroom in the three-dimensional rectangular coordinate system and the two-dimensional rectangular coordinate system, and assign the coordinate value (X i ,Y i ,Z i ); The output ends of the coordinate point positioning unit and the coordinate point refreshing unit are electrically connected to the input end of the model building unit; The reminder point confirmation module includes an angle confirmation unit and a position prediction unit; The angle confirmation unit is used to confirm the tilt angle of the student's head according to the coordinate value of the student's head, and the position prediction unit is used to determine the position where the student's eyes are looking according to the tilt angle of the student's head, and the position prediction unit establishes an extension line perpendicular to the tilt angle of the head and the position of the student's eyes in a two-dimensional rectangular coordinate system; The output end of the central control unit is electrically connected to the input end of the angle confirmation unit, the output end of the angle confirmation unit is electrically connected to the input end of the model establishment unit, the output end of the model establishment unit is electrically connected to the input end of the position prediction unit, and the output end of the position prediction unit is electrically connected to the input end of the central control unit; The sitting posture correction module includes an adjustment servo motor and a warning laser light; The output shaft of the regulating servo motor is connected to the reminder laser light, and the regulating servo motor is used to control the reminder laser light to illuminate the position of the student's gaze predicted by the position prediction unit, and the light of the reminder laser light is used to remind the student to pay attention to the sitting posture; The output end of the central control unit is electrically connected to the input end of the regulating servo motor and the reminding laser light; In the two-dimensional rectangular coordinate system, the coordinate value of the student's neck after being refreshed by the coordinate point refreshing unit is (X a , Y a ), the coordinate value of the student's hip after the coordinate refreshing unit is refreshed is (X b , Y b ), the data processing unit calculates the bending angle θ of the student's spine according to the following formula; ； When θ<α, it indicates that the student’s sitting posture is standard and there is no need to remind the student to correct the sitting posture; When θ≥α, it indicates that the student's spinal curvature angle increases, which may cause damage to the student's spine and eyes, where α represents the set angle threshold; When θ≥α, the coordinate point positioning unit positions the coordinate value of the student's head in the two-dimensional rectangular coordinate system as (X c , Y c ); The angle confirmation unit calculates the tilt angle of the student's head according to the following formula: ； The coordinate point positioning unit positions the pupil's eye at a coordinate value in a two-dimensional rectangular coordinate system (X d , Y d ); The position prediction unit uses the coordinate point (X d , Y d ) as the center, establish A vertical extension line, wherein the angle between the extension line and the X-axis or the Y-axis is γ, γ=β+90°; ； The coordinate system conversion unit converts the coordinate system into a three-dimensional rectangular coordinate system, and the coordinate point of the surface where the extension line contacts the student's gaze is (X k , Y k , Z k ), the position prediction unit establishes a coordinate point (X k , Y k , Z k ) is the center of the circle and the radius is R, which is the area within the students’ sight. The central controller controls the reminder laser light to light up, and the adjusting servo motor controls the reminder laser light to illuminate the student's sight area.

2. According to the big data-based student learning habit analysis system of claim 1, it is characterized by: When the reminder laser light is aimed at the extension line, the central control unit controls the power of the reminder laser light.

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