Hectometer sprint insole module with force measuring function

Abstract

A hectometer sprint insole module with a force measuring function relates to the technical field of sprint insole assistance and comprises an insole body, a support frame and an elastic block, the elastic block is arranged on the upper surface of the insole body and located at the position, corresponding to the front sole, of the insole body, the support frame is connected with the insole body and used for fixing the elastic block, and the elastic block is connected with the insole body. The elastic block is provided with a groove corresponding to the first metatarsal bone of the forefoot and close to a pressure-bearing area of the phalanx, and a dynamic pressure monitoring device is arranged in the groove of the elastic block and used for measuring the counter-acting force of the pressure-bearing area of the forefoot during hundred-meter sprint; the device is easy to operate, high in practicability and very convenient to use, the front sole can be effectively supported during sprint, and the counter-acting force of a pressure-bearing area of the front sole can be measured during hundred-meter sprint.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sprint shoe pad, in particular to a 100-meter sprint shoe pad module with force measuring function. BACKGROUND

[0002] It is known that the technical requirements for 100-meter sprint in practice are very high, and every detail change determines the final sprint result. However, the application of shoe pad module is very little at present. In the sprint process, the front foot sole is generally "dug" to the ground to let the front foot sole actively "grab the ground" through the front foot sole force, and the support for the front foot sole is important. When starting, the first metatarsal of the foot sole is close to the pressure area of the phalanx toe bone to generate force, and the pressure area is inclined to the back to start. After years of training, it is found that the size and direction of the force of the foot sole pressure area are closely related to the acceleration of the start, but the training shoes cannot detect the size and direction of the force, and it is difficult for beginners to understand the key points of the pressure area force. Therefore, a 100-meter sprint shoe pad module with force measuring function and an algorithm thereof are proposed. SUMMARY

[0003] In order to overcome the shortcomings in the background art, the present application discloses a 100-meter sprint shoe pad module with force measuring function and an algorithm thereof, which comprises a shoe pad body, a support frame and an elastic block. The upper surface of the shoe pad body is provided with the elastic block, the elastic block is located at the corresponding front foot sole of the shoe pad body, the support frame is connected with the shoe pad body, and the support frame is used for fixing the elastic block. The elastic block is provided with a groove corresponding to the pressure area of the first metatarsal of the front foot sole close to the phalanx toe bone. The groove of the elastic block is provided with a pressure dynamic monitoring device, so as to measure the reaction force of the pressure area of the front foot sole during 100-meter sprint.

[0004] In order to achieve the purpose of the application, the application adopts the following technical scheme:

[0005] A 100-meter sprint shoe pad module with force measuring function comprises a shoe pad body, a support frame and an elastic block. The upper surface of the shoe pad body is provided with the elastic block, the elastic block is located at the corresponding front foot sole of the shoe pad body, the support frame is connected with the shoe pad body, and the support frame is used for fixing the elastic block. The elastic block is provided with a groove corresponding to the pressure area of the first metatarsal of the front foot sole close to the phalanx toe bone. The groove of the elastic block is provided with a pressure dynamic monitoring device, so as to measure the reaction force of the pressure area of the front foot sole during 100-meter sprint.

[0006] The pressure dynamic monitoring device comprises a pressure column and a pressure collection sensor. The upper end of the pressure column is in contact with the foot sole, the lower end of the pressure column is connected with the upper surface of the pressure collection sensor, the lower surface of the pressure collection sensor is connected with the upper surface of the shoe pad body, the pressure collection sensor is provided with a pressure sensing point, the pressure sensing point is at least one, and the pressure column corresponds to the pressure sensing point of the pressure collection sensor.

[0007] The pressure collection sensor is provided with a pressure sensing point A, a pressure sensing point B and a pressure sensing point C, and the pressure sensing point A, the pressure sensing point B and the pressure sensing point C form a non-equilateral triangular layout.

[0008] The support frame is composed of a fixed plate and a treading plate, the lower surface of the fixed plate is connected with the insole body, and the position of the fixed plate corresponds to the position of the elastic block, one end of the treading plate is connected with the fixed plate, and the treading plate and the fixed plate are in a U-shaped structure, the connection position of the treading plate and the fixed plate is away from the forefoot, the lower surface of the elastic block is connected with the upper surface of the fixed plate, the upper surface of the elastic block is connected with the lower surface of the treading plate, the treading plate is provided with a groove at the position corresponding to the pressure collection sensor, the treading plate is provided with a pressure plate in the groove, the edge of the pressure plate is connected with the elastic block, the lower surface of the pressure plate is connected with the upper end of the pressure column, and the lower surface of the pressure collection sensor is connected with the upper surface of the fixed plate.

[0009] The fixed plate is provided with a plug hole in the middle, the plug hole in the fixed plate is provided with a fixed column, the fixed column passes through the plug hole in the fixed plate and is in contact with the fixed plate, the length of the fixed column is greater than the sum of the thicknesses of the fixed plate and the insole body, the fixed column is provided with a plug hole, and the plug hole in the fixed column is provided with a plug, the plug passes through the plug hole in the fixed column and is movably connected with the fixed column, the lower surface of the plug is in contact with the upper surface of the fixed plate, the bottom end of the fixed column is provided with a connecting plate, and the connecting plate is connected with the insole body.

[0010] The lower surface of the insole body is provided with a limiting plate groove, the upper surface of the insole body is provided with a first sliding groove, the first sliding groove in the insole body is in communication with the limiting plate groove, the limiting plate groove in the insole body is provided with a limiting plate, the upper surface of the limiting plate is connected with the insole body, the lower surface of the limiting plate is provided with a limiting groove, the upper surface of the limiting plate is provided with a second sliding groove, the limiting groove in the limiting plate is in communication with the second sliding groove, the first sliding groove in the insole body corresponds to the second sliding groove in the limiting plate, the limiting groove is provided with a group of tooth grooves close to the medial longitudinal arch of the sole and the lateral longitudinal arch of the sole, the connecting plate is provided with a group of sawteeth close to the medial longitudinal arch of the sole and the lateral longitudinal arch of the sole, the connecting plate is detachably fixed on the limiting plate through interference fit of the sawteeth and the tooth grooves of the limiting groove, and the fixed column passes through the second sliding groove and the first sliding groove in sequence and is connected with the fixed plate.

[0011] A reaction force dynamic monitoring algorithm for 100-meter sprint includes the following steps:

[0012] S1: three-point sensing array sensing points, sensing point A, sensing point B and sensing point C, are arranged on the pressure bearing area of the forefoot of the insole corresponding to the first metatarsal bone close to the phalanx, and the three-point coordinates form a non-collinear triangle, and each sensing point detects the vertical direction component force perpendicular to the horizontal plane;

[0013] S2: Real-time acquisition of vertical force data of each test point 、 、 ;

[0014] S3: Establish a three-dimensional coordinate system, with sensing point A as the origin (0, 0, 0), sensing point B coordinates (x, 0, 0), and sensing point C coordinates (x, y, 0). , , );

[0015] S4: Calculate the three-dimensional direction of the oblique resultant force according to the point coordinates: direction angle , direction angle ;

[0016] S5: Calculate the total value of the resultant force: ;

[0017] S6: Output the resultant force direction angle 、 and the total value of the resultant force .

[0018] The direction angle calculation in step S4 uses the principle of vector synthesis: mapping the three-point force data to a three-dimensional space vector, and inversely deducing the resultant force direction by decoupling the trigonometric function relationship between the vertical component force and the horizontal component force.

[0019] The sensing points A, B and C form a non-equilateral triangular layout, and the horizontal distance between each point satisfies the condition: to ensure the accuracy of the direction calculation.

[0020] The total value of the resultant force in step S1 is calculated in the following cases: when the force value of any test point is detected as negative, automatically switch to the vector subtraction mode.

[0021] Due to the adoption of the above technical scheme, the present application has the following beneficial effects:

[0022] The 100-meter sprint insole module with force measurement function and its algorithm provided by the application, comprising an insole body, a support frame and an elastic block, the upper surface of the insole body is provided with the elastic block, the elastic block is located at the corresponding forefoot of the insole body, the support frame is connected with the insole body, and the support frame is used for fixing the elastic block, the elastic block is provided with a groove at the pressure bearing area close to the first metatarsal bone of the forefoot, and the groove of the elastic block is provided with a pressure dynamic monitoring device, so as to detect the reaction force of the pressure bearing area of the forefoot during the 100-meter sprint; the application is simple in operation, high in practicability, and convenient to use, can effectively support the forefoot during sprint, and has the function of detecting the reaction force of the pressure bearing area of the forefoot during the 100-meter sprint. ​BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0024] Figure 2 is a schematic diagram of the structure of the support frame of the present application;

[0025] Figure 3 is a schematic diagram of the top view of the structure of the support frame of the present application;

[0026] Figure 4 is a schematic diagram of the cross-sectional structure of the support frame at the insole connection of the present application;

[0027] Figure 5 is a schematic diagram of the bottom view of the structure of the support frame of the present application;

[0028] Figure 6 is a schematic diagram of the background technology foot skeleton;

[0029] 1, insole body; 2, fixed plate; 3, stepping plate; 4, elastic block; 5, pressure plate; 6, pressure acquisition sensor; 7, pressure column; 8, pressure sensing point A; 9, pressure sensing point B; 10, pressure sensing point C; 11, fixed column; 12, connecting plate; 13, plug-in plate; 14, limiting plate; 15, limiting groove; 16, second sliding groove; 17, first sliding groove; 18, first metatarsal bone; 19, phalangeal bone; 20, pressure bearing area. DETAILED DESCRIPTION

[0030] The present application can be explained in detail by the following examples, and the purpose of the present application is to protect all technical improvements within the scope of the present application.

[0031] The accompanying drawings Figures 1~6 The one hundred meter sprint insole module with force measurement function comprises an insole body 1, a support frame and an elastic block 4, the upper surface of the insole body 1 is provided with the elastic block 4, the elastic block 4 is located at the corresponding forefoot of the insole body 1, the support frame is connected with the insole body 1, and the support frame is used for fixing the elastic block 4, the elastic block 4 is provided with a groove at the pressure bearing area 20 close to the phalangeal bone 19 of the first metatarsal bone 18 of the corresponding forefoot, the groove of the elastic block 4 is provided with a pressure dynamic monitoring device, and the pressure dynamic monitoring device is used for measuring the reaction force on the pressure bearing area of the forefoot during the one hundred meter sprint.

[0032] The pressure dynamic monitoring device comprises a pressure column 7 and a pressure acquisition sensor 6, the upper end of the pressure column 7 is in contact with the forefoot, the lower end of the pressure column 7 is connected with the upper surface of the pressure acquisition sensor 6, the lower surface of the pressure acquisition sensor 6 is connected with the upper surface of the insole body 1, the pressure acquisition sensor 6 is provided with pressure sensing points, the pressure sensing points are at least one, and the pressure column 7 corresponds to the pressure sensing points of the pressure acquisition sensor 6.

[0033] The pressure collection sensor is provided with a pressure sensing point A8, a pressure sensing point B9 and a pressure sensing point C10, which form a non-equilateral triangular layout.

[0034] The support frame is composed of a fixed plate 2 and a stepping plate 3, the lower surface of the fixed plate 2 is connected with the insole body 1, and the position of the fixed plate 2 corresponds to the position of the elastic block 4, one end of the stepping plate 3 is connected with the fixed plate 2, and the stepping plate 3 and the fixed plate 2 are in "U" shape structure, the connection between the stepping plate 3 and the fixed plate 2 is located away from the forefoot of the fixed plate 2, the lower surface of the elastic block 4 is connected with the upper surface of the fixed plate 2, the upper surface of the elastic block 4 is connected with the lower surface of the stepping plate 3, the stepping plate 3 is provided with a groove at the position corresponding to the pressure collection sensor 6, the pressure plate 5 is arranged in the groove of the stepping plate 3, the edge of the pressure plate 5 is connected with the elastic block 4, the lower surface of the pressure plate 5 is connected with the upper end of the pressure column 7, and the lower surface of the pressure collection sensor 6 is connected with the upper surface of the fixed plate 2.

[0035] The fixed plate 2 is provided with a plug hole in the middle, the plug hole in the fixed plate 2 is provided with a fixed column 11, the fixed column 11 passes through the plug hole in the fixed plate 2 and is in contact with the fixed plate 2, the length of the fixed column 11 is greater than the sum of the thicknesses of the fixed plate 2 and the insole body 1, the fixed column 11 is provided with a plug hole, the plug hole in the fixed column 11 is provided with a plug plate 13, the plug plate 13 passes through the plug hole in the fixed column 11 and is movably connected with the fixed column 11, the lower surface of the plug plate 13 is in contact with the upper surface of the fixed plate 2, the bottom end of the fixed column 11 is provided with a connecting plate 12, and the connecting plate 12 is connected with the insole body 1.

[0036] The lower surface of the insole body 1 is provided with a limiting plate groove, the upper surface of the insole body is provided with a first sliding groove 17, and the first sliding groove 17 in the insole body is in communication with the limiting plate groove, the limiting plate groove in the insole body 1 is provided with a limiting plate 14, the upper surface of the limiting plate 14 is connected with the insole body 1, the lower surface of the limiting plate 14 is provided with a limiting groove 15, the upper surface of the limiting plate 14 is provided with a second sliding groove 16, and the limiting groove 15 and the second sliding groove 16 in the limiting plate 14 are in communication, the first sliding groove 17 in the insole body 1 corresponds to the second sliding groove 16 in the limiting plate 14, the limiting groove 15 is provided with a group of tooth grooves close to the medial longitudinal arch of the sole and the lateral longitudinal arch of the sole, the connecting plate 12 is provided with a group of sawteeth close to the medial longitudinal arch of the sole and the lateral longitudinal arch of the sole, the connecting plate 12 is detachably fixed on the limiting plate 14 through the interference fit between the sawteeth and the tooth grooves of the limiting groove 15, and the fixed column 11 passes through the second sliding groove 16 and the first sliding groove 17 in sequence and is connected with the fixed plate 2.

[0037] A hundred-meter sprint device with reaction force dynamic monitoring algorithm, comprising the following steps:

[0038] S1: In the insole forefoot corresponding to the first metatarsal bone 18 close to the phalanx 19 of the pressure zone 20, three-point sensing array sensing points are arranged, sensing point A, sensing point B and sensing point C, the three-point coordinates form a non-collinear triangle, and each sensing point detects the vertical direction component force perpendicular to the horizontal plane;

[0039] S2: Real-time acquisition of vertical direction component force data of each test point 、 、

[0040] S3: Establish a three-dimensional coordinate system, with sensing point A as the origin (0, 0, 0), sensing point B coordinates (x, 0, 0), and sensing point C coordinates (x, y, 0);

[0041] , , ;

[0042] S4: Calculate the three-dimensional direction of the oblique resultant force according to the point coordinates: direction angle , direction angle ;

[0043] S5: Calculate the total value of the resultant force: ;

[0044] S6: Output the resultant force direction angle 、 and the total value of the resultant force .

[0045] The direction angle calculation in step S4 uses the principle of vector synthesis: map the three-point force data to a three-dimensional space vector, and through the trigonometric function relationship between the vertical component force and the horizontal component force, the resultant force direction is deduced.

[0046] The sensing points A, B and C form a non-equilateral triangle layout, and the horizontal distance between each point meets the condition: To ensure the accuracy of direction calculation.

[0047] The total value of the resultant force in step S1 is calculated, which is compatible with the following cases: when any test point component force value is negative, automatically switch to vector subtraction mode.

[0048] Embodiment, combined with the attached Figures 1~6 ​​The one hundred meters sprint insole module with force measuring function, the fixed column 11 is respectively passed through the second sliding groove 16 of the limiting plate 14 and the first sliding groove 17 on the insole body 1 before the athlete runs, then the fixed column 11 is passed through the plug-in hole on the fixed plate 2, then the fixed column 11 is slid in the second sliding groove 16 of the limiting plate 14 and the first sliding groove 17 on the insole body 1, drives the fixed plate 2 to slide on the upper surface of the insole body 1, is adjusted to the corresponding position according to the athlete's foot condition, then the connecting plate 12 is clamped into the limiting groove 15 of the limiting plate 14 in the limiting plate groove of the insole body 1, a group of tooth grooves can be respectively arranged on the inner longitudinal arch close to the sole and the outer longitudinal arch of the sole in the limiting groove 15, a group of sawteeth are respectively arranged on the inner longitudinal arch close to the sole and the outer longitudinal arch of the sole of the connecting plate 12, the connecting plate 12 is clamped by interference fit of the sawteeth and the tooth grooves of the limiting groove 15, finally the plug plate 13 is passed through the plug plate hole on the fixed column 11, the support frame and the elastic block 4 are fixed on the insole body 1, the insole body 1 is put into the running shoes, the athlete wears the running shoes to train, when starting, the forefoot first metatarsal bone 18 close to the pressure area 20 part of the phalanx 19 of the athlete will press on the pressure plate 5 every time the athlete steps on the ground, the pressure plate 5 drives the pressure column 7 to press on the pressure sensing point arranged on the pressure acquisition sensor 6, records the peak value of the force of each step, further, the pressure acquisition sensor 6 can be provided with a pressure sensing point A8, a pressure sensing point B9 and a pressure sensing point C10, the pressure sensing point A8, the pressure sensing point B9 and the pressure sensing point C10 form a non-equilateral triangle layout, a three-dimensional state is simulated through three points, so that not only the size of the reaction force can be tested, but also the angle of the force can be simulated through the algorithm, so that more suitable suggestions can be given to the guidance of the athlete's running, the pressure sensing point A8, the pressure sensing point B9 and the pressure sensing point C10 cannot be distributed on the same straight line, so that the angle of the force cannot be simulated through the algorithm, further, the support frame is composed of the fixed plate 2 and the stepping plate 3, the lower surface of the fixed plate 2 is connected with the insole body 1, and the position of the fixed plate 2 corresponds to the position of the elastic block 4, one end of the stepping plate 3 is connected with the fixed plate 2, and the stepping plate 3 and the fixed plate 2 are "U" shaped structures, the connection between the stepping plate 3 and the fixed plate 2 is located away from the forefoot of the fixed plate 2, the lower surface of the elastic block 4 is connected with the upper surface of the fixed plate 2, the upper surface of the elastic block 4 is connected with the lower surface of the stepping plate 3, the stepping plate 3 is provided with a groove at the position corresponding to the pressure acquisition sensor 6, the stepping plate 3 is provided with the pressure plate 5 in the groove, the edge of the pressure plate 5 is connected with the elastic block 4, the lower surface of the pressure plate 5 is connected with the upper end of the pressure column 7, the lower surface of the pressure acquisition sensor 6 is connected with the upper surface of the fixed plate 2, the fixed plate 2, the stepping plate 3 and the pressure plate 5 are made of relatively hard materials, so that the reaction force on the forefoot can be improved, the pressure acquisition sensor for measurement is an existing device, and its transmission and reception are prior art, which will not be explained in detail here.

[0049] Data tested with 71 kg of athlete:

[0050] Step number F_z (N) F_A (N) F_B (N) F_C (N) Direction angle α (°) Direction angle β (°) 1 700 280 245 175 12.60 24.77 2 840 378 277 185 11.13 23.20 3 1050 473 368 210 10.14 23.74 4 1260 529 491 239 9.65 25.40 5 1400 560 588 252 9.15 26.57 6 1330 505 599 226 8.65 27.75 7 1260 466 592 202 8.15 28.45 8 1120 448 504 168 7.65 27.34 9 980 412 421 147 7.65 26.43 10 840 378 344 118 7.14 25.31

[0051] The part of the present application not described in detail is the prior art, although the present application is specifically shown and introduced in combination with the preferred embodiments, and there are many specific implementation methods and approaches for the technical solutions. The above description is only the preferred embodiment of the present application, but those skilled in the art should understand that various changes can be made to the present application in form and detail without departing from the spirit and scope of the present application defined in the appended claims, and all changes are within the protection scope of the present application.

Claims

1. A 100-meter sprint insole module with force measurement function, comprising an insole body, a support frame, and an elastic block, wherein the elastic block is provided on the upper surface of the insole body, the elastic block is located at the forefoot position of the insole body, the support frame is connected to the insole body, and the support frame is used to fix the elastic block, characterized in that: The elastic block has a groove corresponding to the pressure area of ​​the first metatarsal bone of the forefoot near the big toe bone. The groove of the elastic block is equipped with a dynamic pressure monitoring device, which is used to measure the reaction force on the pressure area of ​​the forefoot during a 100-meter sprint.

2. The 100-meter sprint insole module with force measurement function according to claim 1, characterized in that: The pressure dynamic monitoring device consists of a pressure column and a pressure acquisition sensor. The upper end of the pressure column contacts the sole of the foot, and the lower end of the pressure column is connected to the upper surface of the pressure acquisition sensor. The lower surface of the pressure acquisition sensor is connected to the upper surface of the insole body. The pressure acquisition sensor is provided with pressure sensing points, and there is at least one pressure sensing point. The pressure column corresponds to the pressure sensing point of the pressure acquisition sensor.

3. The 100-meter sprint insole module with force measurement function according to claim 2, characterized in that: The pressure acquisition sensor has pressure sensing points A, B, and C, which form a non-equilateral triangle layout.

4. A 100-meter sprint insole module with force measurement function according to claim 2, characterized in that: The support frame consists of a fixed plate and a foot pedal. The lower surface of the fixed plate is connected to the insole body, and the position of the fixed plate corresponds to the position of the elastic block. One end of the foot pedal is connected to the fixed plate, and the foot pedal and the fixed plate have a "U" shaped structure. The connection between the foot pedal and the fixed plate is located on the fixed plate away from the forefoot. The lower surface of the elastic block is connected to the upper surface of the fixed plate, and the upper surface of the elastic block is connected to the lower surface of the foot pedal. The foot pedal has a groove corresponding to the pressure sensor, and a pressure plate is provided in the groove of the foot pedal. The edge of the pressure plate is connected to the elastic block, and the lower surface of the pressure plate is connected to the upper end of the pressure column. The lower surface of the pressure sensor is connected to the upper surface of the fixed plate.

5. A 100-meter sprint insole module with force measurement function according to claim 4, characterized in that: The fixing plate has a insertion hole in the middle, and a fixing post is installed in the insertion hole of the fixing plate. The fixing post passes through the insertion hole of the fixing plate and contacts the fixing plate. The length of the fixing post is greater than the sum of the thickness of the fixing plate and the insole body. The fixing post has a plate insertion hole, and a plate is installed in the plate insertion hole of the fixing post. The plate passes through the plate insertion hole of the fixing post and is movably connected to the fixing post. The lower surface of the plate contacts the upper surface of the fixing plate. The bottom end of the fixing post has a connecting plate, which is connected to the insole body.

6. A 100-meter sprint insole module with force measurement function according to claim 5, characterized in that: The insole body has a limiting plate groove on its lower surface and a first sliding groove on its upper surface. The first sliding groove on the insole body is connected to the limiting plate groove. A limiting plate is provided in the limiting plate groove on the insole body. The upper surface of the limiting plate is connected to the insole body. The limiting plate has a limiting groove on its lower surface and a second sliding groove on its upper surface. The limiting groove on the limiting plate is connected to the second sliding groove. The first sliding groove on the insole body corresponds to the second sliding groove on the limiting plate. The limiting groove has a set of toothed grooves near the inner longitudinal arch and the outer longitudinal arch of the foot. The connecting plate has a set of serrations near the inner longitudinal arch and the outer longitudinal arch of the foot. The connecting plate is detachably fixed to the limiting plate by interference fit between the serrations and the toothed grooves of the limiting groove. The fixing post passes through the second sliding groove and the first sliding groove in sequence and is connected to the fixing plate.

7. The dynamic monitoring algorithm for a 100-meter sprint insole module with force measurement function according to claim 1, comprising the following steps: S1: Three sensor array points are set on the forefoot of the insole corresponding to the pressure area of ​​the first metatarsal bone near the big toe bone. The three points, A, B and C, form a non-collinear triangle. Each sensor point detects the vertical component of force perpendicular to the horizontal plane. S2: Real-time acquisition of vertical force component data at each test point , , ; S3: Establish a three-dimensional coordinate system, with sensing point A as the origin (0,0,0), and the coordinates of sensing point B as ( , 0), the coordinates of the sensing point C are ( , , ); S4: Calculate the three-dimensional direction of the oblique resultant force based on the point coordinates: direction angle Direction angle ; S5: Calculate the total resultant force: ; S6: Output resultant force direction angle , and total combined force .

8. The dynamic monitoring algorithm according to claim 7, characterized in that: In step S4, the direction angle calculation adopts the principle of vector synthesis: the force data of the three points are mapped to a three-dimensional space vector, and the direction of the resultant force is deduced by decoupling the trigonometric function relationship between the vertical component force and the horizontal component force.

9. The dynamic monitoring algorithm according to claim 7, characterized in that: The sensing points A, B, and C form a non-equilateral triangle layout, and the horizontal spacing between each point satisfies the following condition: To ensure the accuracy of the direction calculation.

10. The dynamic monitoring algorithm according to claim 7, characterized in that: The calculation of the total resultant force in step S1 is compatible with the following situation: when the component force value at any test point is detected to be negative, it automatically switches to vector subtraction mode.

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