CN115999138A - Leg pressing frequency detection system and method applied to yoga table - Google Patents
Leg pressing frequency detection system and method applied to yoga table Download PDFInfo
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Abstract
The invention provides a leg pressing frequency detection system and method applied to a yoga table, which relate to the technical field of body building detection and comprise the following steps: the six-axis sensor and the controller are used for continuously collecting gesture change data detected by the six-axis sensor when a user presses legs on the pressing rod, and processing according to the gesture change data to obtain an effective gesture value; counting once when posture change data are collected each time, and processing to obtain the range of all effective posture values corresponding to the counting result as the output of the current round of counting when the corresponding counting result is larger than a preset counting threshold value; and finally, increasing the number of times of leg pressing once when the current round of counting generates effective vibration according to the limit of the current round of counting, the limit of the previous round of counting and a preset limit threshold. The method has the beneficial effects that compared with the traditional detection method, the data change is more obvious; the method also judges according to the range of each round of counting and the range and range threshold of the last round of counting, thereby avoiding the problem of counting a plurality of times of leg pressing actions.
Description
Technical Field
The invention relates to the technical field of body-building detection, in particular to a leg pressing frequency detection system and method applied to a yoga table.
Background
Yoga table is a lifting table of collocation telescopic yoga pole, and the user can adjust the yoga pole and realize the yoga exercise of different degree of difficulty. Leg pressing is an action frequently carried out by a user by using the yoga table, six sensors arranged in the yoga table controller need to detect leg pressing times of the user, and the leg pressing times are matched with height data of the yoga table to evaluate exercise duration, flexibility and exercise intensity of the user. The problem that exists is because yoga table's special requirement, and yoga table's structure needs more stable firm than ordinary elevating table, and six sensor's data change is less when leading to pressing the leg, only detects the angular velocity of a certain specific direction with conventional detection means and hardly detects whether current user accomplishes effective leg pressing.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a leg pressing frequency detection system applied to a yoga table, wherein the yoga table comprises a table plate and a compression bar fixed at the bottom of the table plate and extending towards one side outside the table plate, and the leg pressing frequency detection system comprises:
the six-axis sensor is arranged at the bottom of the desk plate;
the controller install in the bottom of table, connect six sensors include:
the data processing module is used for continuously collecting the posture change data of the table board, which is detected by the six-axis sensor and is caused by leg pressing of the user, when the user presses legs on the compression bar, and processing the posture change data to obtain an effective posture value;
the range generation module is connected with the data processing module and is used for counting once when the posture change data are acquired each time, processing and obtaining the range of all the effective posture values corresponding to the counting result when the corresponding counting result is larger than a preset counting threshold value as the output of the current round of counting, and generating a counting signal when the corresponding counting result is not larger than the preset counting threshold value, wherein the range generation module continuously counts according to the counting signal;
the leg pressing counting module is connected with the range generating module and is used for increasing the number of times of leg pressing once when the current round of counting generates effective vibration according to the range of the current round of counting, the range of the previous round of counting and a preset range threshold value, generating an acquisition signal when the current round of counting does not generate effective vibration, and continuously acquiring the posture change data according to the acquisition signal by the data processing module.
Preferably, the data processing module includes:
the data acquisition unit is used for acquiring the X-axis angular velocity and the Y-axis angular velocity detected by the six-axis sensor as the attitude change data when a user presses legs on the press rod;
the data processing unit is connected with the data acquisition unit and used for obtaining the effective attitude value according to the X-axis angular speed and the Y-axis angular speed.
Preferably, the data processing unit includes:
a product subunit, configured to multiply the X-axis angular velocity and the Y-axis angular velocity to obtain a product between the two;
and the filtering subunit is connected with the product subunit and is used for filtering the product to obtain the effective attitude value.
Preferably, the range generation module includes:
the counting unit is used for counting once when the posture change data are acquired each time, so as to obtain the counting result;
the device comprises a counting unit, a range generation unit, a counting unit and a counting unit, wherein the counting unit is connected with the counting unit and is used for taking the range of all the effective attitude values obtained by the current round of counting as the output of the current round of counting when the counting result is larger than a preset counting threshold value, and generating the counting signal when the counting result is not larger than the counting threshold value, and the counting unit continuously counts according to the counting signal.
Preferably, the leg pressing counting module comprises:
the first judging unit is used for judging that the range of the current round of counting is larger than the range threshold value and generating a valid signal and generating an acquisition signal when the range is not larger than the range threshold value;
the second judging unit is connected with the first judging unit and is used for increasing the number of times of leg pressing once when the range of the current round of counting is larger than the range of the previous round of counting according to the effective signal, and generating an acquisition signal when the range of the current round of counting is not larger than the range of the previous round of counting;
and the data processing module continuously collects the attitude change data according to the collection signal.
The invention also provides a leg pressing frequency detection method applied to the yoga table, which is applied to the leg pressing frequency detection system and comprises the following steps:
step S1, when a user presses legs on the press rod, the controller continuously collects posture change data of the table board, which is detected by the six-axis sensor and is caused by leg pressing of the user, and an effective posture value is obtained according to the posture change data;
step S2, the controller counts once when acquiring the attitude change data each time, and judges whether the corresponding counting result is larger than a preset counting threshold value:
if yes, the controller processes and obtains the polar differences of all the effective attitude values corresponding to the counting result as the output of the current round of counting;
if not, returning to the step S2;
step S3, the controller judges whether the current round of counting generates effective vibration according to the polar difference of the current round of counting, the polar difference of the previous round of counting and a preset polar difference threshold value:
if yes, increasing the number of times of pressing the legs for the first time;
if not, returning to the step S1.
Preferably, the step S1 includes:
step S11, the controller collects the X-axis angular velocity and the Y-axis angular velocity detected by the six-axis sensor as the attitude change data;
and S11, the controller obtains the effective attitude value according to the X-axis angular velocity and the Y-axis angular velocity.
Preferably, the step S12 includes:
step S121, the controller multiplies the X-axis angular velocity and the Y-axis angular velocity to obtain a product therebetween;
in step S122, the controller filters the product to obtain the valid posture value.
Preferably, the step S2 includes:
step S21, the controller counts once when the posture change data are collected each time, and the counting result is obtained;
step S22, the controller determines whether the count result is greater than a preset count threshold:
if yes, taking the polar differences of all the effective attitude values obtained by the round counting as the output of the round counting;
if not, the process returns to step S21.
In a preferred embodiment of the present invention, the step S3 includes:
step S31, the controller determines whether the range of the current round count is greater than the range threshold:
if yes, go to step S32;
if not, turning to the step S1;
step S32, the controller determines whether the range of the current round of counting is greater than the range of the previous round of counting:
if yes, increasing the number of times of pressing the legs for the first time;
if not, returning to the step S1.
The technical scheme has the following advantages or beneficial effects: when a user presses legs on the compression bar, the X-axis angular velocity and the Y-axis angular velocity acquired by the six-axis sensor are multiplied to obtain an effective attitude value, and compared with the traditional detection method which only acquires the angular velocity in a single direction, the change of the effective attitude value is more obvious, and whether the effective leg pressing is finished once is detected more easily. Because vibration generated by one leg pressing action can be gradually weakened, the method of the invention adopts a method of calculating one effective leg pressing action only when the range of the effective posture value counted by the round is larger than the range threshold value and the range of the effective posture value counted by the previous round is larger than the range value, thereby avoiding the problem of counting multiple times of one leg pressing action.
Drawings
FIG. 1 is a schematic side view of a yoga table according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram showing a leg pressing frequency detecting system according to a preferred embodiment of the present invention;
FIG. 3 is a flow chart of a method for detecting the number of leg presses according to a preferred embodiment of the present invention;
FIG. 4 is a schematic flow chart of a sub-process of step S1 of the leg pressing number detection method according to the preferred embodiment of the present invention;
FIG. 5 is a schematic flow chart of a sub-process of step S12 of the leg pressing number detection method according to the preferred embodiment of the present invention;
FIG. 6 is a schematic flow chart of a sub-process of step S2 of the leg pressing number detection method according to the preferred embodiment of the present invention;
fig. 7 is a schematic flow chart of a sub-flow of step S3 of the leg pressing number detection method according to the preferred embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present invention is not limited to the embodiment, and other embodiments may fall within the scope of the present invention as long as they conform to the gist of the present invention.
In a preferred embodiment of the present invention, based on the above-mentioned problems existing in the prior art, a leg pressing frequency detecting system for a yoga table is provided, as shown in fig. 1, the yoga table 1 includes a table plate 2 and a compression bar 3 fixed at the bottom of the table plate and extending toward one side of the outer portion of the table plate, as shown in fig. 2, the leg pressing frequency detecting system includes:
the six-axis sensor 4 is arranged at the bottom of the table plate 2;
the controller 5 is installed in the bottom of table 2, connects six sensors 4, includes:
the data processing module 100 is used for continuously collecting posture change data of the desk plate, which is detected by the six-axis sensor and is caused by leg pressing of the user, when the user presses legs on the compression bar, and processing according to the posture change data to obtain an effective posture value;
the range generation module 200 is connected with the data processing module 100, and is used for counting once when the posture change data is acquired each time, processing to obtain the range of all the effective posture values corresponding to the counting result when the corresponding counting result is larger than a preset counting threshold value as the output of the current round of counting, and generating a counting signal when the corresponding counting result is not larger than the preset counting threshold value, wherein the range generation module continuously counts according to the counting signal;
the leg pressing counting module 300 is connected with the range generating module 200 and is used for increasing the number of times of leg pressing when the current round of counting generates effective vibration according to the range of the current round of counting, the range of the previous round of counting and a preset range threshold value, generating acquisition signals when the current round of counting does not generate effective vibration, and continuously acquiring posture change data according to the acquisition signals by the data processing module.
Specifically, in this embodiment, when the user presses the leg by using the compression bar, the controller 5 performs a count when acquiring the posture change data detected by the six-axis sensor 4 and processes the posture change data to obtain an effective posture value, in order to prevent the aftershock generated by the last leg pressing action from being used as an independent leg pressing action, in a round of counting, the count result must be greater than a set count threshold, otherwise, the limit of the effective posture value of the round of counting is not calculated; because vibration generated by one leg pressing action can be gradually weakened, when one round of counting is finished, the extremely poor of the round of counting is larger than a preset extremely poor threshold value and is larger than the extremely poor of the previous round of counting to be used as an independent leg pressing action, the number of times of leg pressing is increased once at the moment, and the problem of repeated counting of one time of leg pressing action is avoided.
In the preferred embodiment of the present invention, as shown in FIG. 2, the data processing module 100 comprises:
the data acquisition unit 110 is used for acquiring the X-axis angular velocity and the Y-axis angular velocity detected by the six-axis sensor as posture change data when a user presses legs on the compression bar;
the data processing unit 120 is connected to the data acquisition unit 110, and is configured to obtain an effective posture value according to the X-axis angular velocity and the Y-axis angular velocity.
In a preferred embodiment of the present invention, the data processing unit 120 includes:
a product subunit 121, configured to multiply the X-axis angular velocity and the Y-axis angular velocity to obtain a product therebetween;
the filtering subunit 122 is connected to the product subunit 121, and is configured to filter the product to obtain an effective posture value.
Specifically, in this embodiment, the X-axis angular velocity and the Y-axis angular velocity acquired by the six-axis sensor 4 are used as attitude change data, the X-axis angular velocity and the Y-axis angular velocity are multiplied to obtain a product between the two, and the product is filtered to obtain an effective attitude value; compared with the traditional counting detection method that only angular velocity in a single direction is acquired, the change of the effective attitude value obtained in the invention is more obvious.
In a preferred embodiment of the present invention, as shown in fig. 2, the range generation module 200 includes:
a counting unit 210, configured to count once when the posture change data is collected each time, so as to obtain a counting result;
the pole difference generating unit 220 is connected to the counting unit 210, and is configured to take the pole difference of all the valid posture values obtained by the current round of counting as the output of the current round of counting when the counting result is greater than a preset counting threshold, and generate a counting signal when the counting result is not greater than the counting threshold, and the counting unit continuously counts according to the counting signal.
In a preferred embodiment of the present invention, the leg pressing counting module 300 includes:
a first judging unit 310, configured to generate a valid signal when the range of the current round count is greater than the range threshold, and generate an acquisition signal when the range is not greater than the range threshold;
a second judging unit 320, connected to the first judging unit 310, for increasing the number of times of pressing the leg once when the difference of the current round of counting is greater than the difference of the previous round of counting according to the valid signal, and generating an acquisition signal when the difference of the current round of counting is not greater than the difference of the previous round of counting;
the data processing module 100 continuously collects posture change data according to the collection signal.
Specifically, in this embodiment, when the user presses the leg, the table 2 of the yoga table 1 deforms in the up-down direction, so that the range of the effective posture value represents the distance between the highest point and the lowest point in the deformation process, and when the range is greater than the preset range threshold and greater than the range of the previous round of counting, it is indicated that the operation is an independent leg pressing operation, and the leg pressing frequency is increased once.
The invention also provides a leg pressing frequency detection method applied to the yoga table, which is applied to the leg pressing frequency detection system, as shown in fig. 3, and comprises the following steps:
step S1, when a user presses legs on a compression bar, a controller continuously collects posture change data of a table board, which is detected by a six-axis sensor and is caused by leg pressing of the user, and an effective posture value is obtained according to the posture change data;
step S2, the controller counts once when the gesture change data are collected each time, and judges whether the corresponding counting result is larger than a preset counting threshold value:
if yes, the controller processes and obtains the range of all the effective attitude values corresponding to the counting result as the output of the current round of counting;
if not, returning to the step S2;
step S3, the controller judges whether the current round of counting generates effective vibration according to the round of counting extremely poor, the previous round of counting extremely poor and a preset extremely poor threshold value:
if yes, increasing the number of times of pressing the legs for the first time;
if not, returning to the step S1.
In a preferred embodiment of the present invention, as shown in fig. 4, step S1 includes:
step S11, the controller collects the X-axis angular velocity and the Y-axis angular velocity detected by the six-axis sensor as attitude change data;
and S12, the controller obtains an effective attitude value according to the X-axis angular velocity and the Y-axis angular velocity.
In a preferred embodiment of the present invention, as shown in fig. 5, step S12 includes:
step S121, the controller multiplies the X-axis angular velocity and the Y-axis angular velocity to obtain a product between the X-axis angular velocity and the Y-axis angular velocity;
in step S122, the controller filters the product to obtain an effective posture value.
In a preferred embodiment of the present invention, as shown in fig. 6, step S2 includes:
step S21, the controller counts once when the posture change data are collected each time, and a counting result is obtained;
step S22, the controller judges whether the counting result is larger than a preset counting threshold value:
if yes, taking the range of all the effective attitude values obtained by the round counting as the output of the round counting;
if not, the process returns to step S21.
In a preferred embodiment of the present invention, as shown in fig. 7, step S3 includes:
step S31, the controller determines whether the range of the current round count is greater than a range threshold:
if yes, go to step S32;
if not, turning to the step S1;
step S32, the controller judges whether the limit of the current round of counting is larger than the limit of the previous round of counting:
if yes, increasing the number of times of pressing the legs for the first time;
if not, returning to the step S1.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations herein, which should be included in the scope of the present invention.
Claims (10)
1. Be applied to leg pressing number of times detecting system of yoga table, its characterized in that, the yoga table contains the table with be fixed in the bottom of table and towards the outside one side of table extends's depression bar, then leg pressing number of times detecting system includes:
the six-axis sensor is arranged at the bottom of the desk plate;
the controller install in the bottom of table, connect six sensors include:
the data processing module is used for continuously collecting the posture change data of the table board, which is detected by the six-axis sensor and is caused by leg pressing of the user, when the user presses legs on the compression bar, and processing the posture change data to obtain an effective posture value;
the range generation module is connected with the data processing module and is used for counting once when the posture change data are acquired each time, processing and obtaining the range of all the effective posture values corresponding to the counting result when the corresponding counting result is larger than a preset counting threshold value as the output of the current round of counting, and generating a counting signal when the corresponding counting result is not larger than the preset counting threshold value, wherein the range generation module continuously counts according to the counting signal;
the leg pressing counting module is connected with the range generating module and is used for increasing the number of times of leg pressing once when the current round of counting generates effective vibration according to the range of the current round of counting, the range of the previous round of counting and a preset range threshold value, generating an acquisition signal when the current round of counting does not generate effective vibration, and continuously acquiring the posture change data according to the acquisition signal by the data processing module.
2. The leg press count detection system of claim 1, wherein the data processing module comprises:
the data acquisition unit is used for acquiring the X-axis angular velocity and the Y-axis angular velocity detected by the six-axis sensor as the attitude change data when a user presses legs on the press rod;
the data processing unit is connected with the data acquisition unit and used for obtaining the effective attitude value according to the X-axis angular speed and the Y-axis angular speed.
3. The leg press number detection system according to claim 2, wherein the data processing unit includes:
a product subunit, configured to multiply the X-axis angular velocity and the Y-axis angular velocity to obtain a product between the two;
and the filtering subunit is connected with the product subunit and is used for filtering the product to obtain the effective attitude value.
4. The leg press number detection system according to claim 1, wherein the range generation module includes:
the counting unit is used for counting once when the posture change data are acquired each time, so as to obtain the counting result;
the device comprises a counting unit, a range generation unit, a counting unit and a counting unit, wherein the counting unit is connected with the counting unit and is used for taking the range of all the effective attitude values obtained by the current round of counting as the output of the current round of counting when the counting result is larger than a preset counting threshold value, and generating the counting signal when the counting result is not larger than the counting threshold value, and the counting unit continuously counts according to the counting signal.
5. The leg press count detection system of claim 1, wherein the leg press count module comprises:
the first judging unit is used for judging that the range of the current round of counting is larger than the range threshold value and generating a valid signal and generating an acquisition signal when the range is not larger than the range threshold value;
the second judging unit is connected with the first judging unit and is used for increasing the number of times of leg pressing once when the range of the current round of counting is larger than the range of the previous round of counting according to the effective signal, and generating an acquisition signal when the range of the current round of counting is not larger than the range of the previous round of counting;
and the data processing module continuously collects the attitude change data according to the collection signal.
6. A leg pressing frequency detection method applied to a yoga table, which is characterized by being applied to the leg pressing frequency detection system as claimed in any one of claims 1 to 5, comprising:
step S1, when a user presses legs on the press rod, the controller continuously collects posture change data of the table board, which is detected by the six-axis sensor and is caused by leg pressing of the user, and an effective posture value is obtained according to the posture change data;
step S2, the controller counts once when acquiring the attitude change data each time, and judges whether the corresponding counting result is larger than a preset counting threshold value:
if yes, the controller processes and obtains the polar differences of all the effective attitude values corresponding to the counting result as the output of the current round of counting;
if not, returning to the step S2;
step S3, the controller judges whether the current round of counting generates effective vibration according to the polar difference of the current round of counting, the polar difference of the previous round of counting and a preset polar difference threshold value:
if yes, increasing the number of times of pressing the legs for the first time;
if not, returning to the step S1.
7. The leg pressing number detection method according to claim 6, wherein the step S1 includes:
step S11, the controller collects the X-axis angular velocity and the Y-axis angular velocity detected by the six-axis sensor as the attitude change data;
and step S12, the controller obtains the effective attitude value according to the X-axis angular velocity and the Y-axis angular velocity.
8. The leg pressing number detection method according to claim 7, wherein the step S12 includes:
step S121, the controller multiplies the X-axis angular velocity and the Y-axis angular velocity to obtain a product therebetween;
in step S122, the controller filters the product to obtain the valid posture value.
9. The leg pressing number detection method according to claim 6, wherein the step S2 includes:
step S21, the controller counts once when the posture change data are collected each time, and the counting result is obtained;
step S22, the controller determines whether the count result is greater than a preset count threshold:
if yes, taking the polar differences of all the effective attitude values obtained by the round counting as the output of the round counting;
if not, the process returns to step S21.
10. The leg pressing number detection method according to claim 6, wherein the step S3 includes:
step S31, the controller determines whether the range of the current round count is greater than the range threshold:
if yes, go to step S32;
if not, turning to the step S1;
step S32, the controller determines whether the range of the current round of counting is greater than the range of the previous round of counting:
if yes, increasing the number of times of pressing the legs for the first time;
if not, returning to the step S1.
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