CN117574045B - Electric toothbrush control method, device, electronic equipment and storage medium - Google Patents
Electric toothbrush control method, device, electronic equipment and storage medium Download PDFInfo
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- CN117574045B CN117574045B CN202410055205.3A CN202410055205A CN117574045B CN 117574045 B CN117574045 B CN 117574045B CN 202410055205 A CN202410055205 A CN 202410055205A CN 117574045 B CN117574045 B CN 117574045B
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- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000001680 brushing effect Effects 0.000 claims abstract description 289
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000001133 acceleration Effects 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000001055 chewing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 4
- 230000009897 systematic effect Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004195 gingiva Anatomy 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
Abstract
The embodiment of the application provides a control method, a device, electronic equipment and a storage medium for an electric toothbrush, wherein the tooth area, the tooth brushing time and the tooth brushing force covered in the tooth brushing process of a user are obtained, the tooth brushing area score, the tooth brushing time score and the tooth brushing force score are calculated respectively, and finally the tooth brushing total score is determined. Important information such as tooth brushing time, tooth brushing area and tooth brushing force are fused through multidimensional scoring, a systematic scoring result is obtained, the overall situation of tooth brushing of a user can be more comprehensively represented, and the scoring accuracy is improved. And based on the scores of different dimensions, the electric toothbrush is controlled, so that the effects of cleanliness and gum protection are enhanced, the control is timely performed according to the scores of multiple dimensions, and the oral health of a user is better protected.
Description
Technical Field
The embodiment of the application relates to the technical field of intelligent control, in particular to a control method and device of an electric toothbrush, electronic equipment and a storage medium.
Background
Electric toothbrushes are becoming more and more intelligent, and in order to improve user experience, more and more electric toothbrushes have a tooth brushing scoring function. By objectively recording the brushing session, feedback to the user can help establish proper brushing habits.
In the related art, the current electric toothbrush has a tooth brushing scoring function which is scored by utilizing a single element, the tooth brushing habit represented by the scoring result is single, the tooth brushing condition is difficult to objectively feed back to the user, and the electric toothbrush is often dependent on the self-adjustment of the user according to the score. How to improve the accuracy of tooth brushing scores is a problem to be discussed and solved currently.
Disclosure of Invention
The embodiment of the application provides a control method, a control device, electronic equipment and a storage medium for an electric toothbrush, aiming at improving the accuracy of tooth brushing scoring.
In a first aspect, embodiments of the present application provide a method of controlling an electric toothbrush, the method comprising:
acquiring a yaw angle, an inclination angle and a roll angle of the toothbrush during operation;
determining a yaw angle difference value, an inclination angle difference value and a roll angle difference value according to a yaw angle, an inclination angle and a roll angle and a reference angle set when the toothbrush works, wherein the reference angle set comprises the yaw angle, the inclination angle and the roll angle at the starting moment of the toothbrush;
determining the number of covered areas according to the yaw angle difference value, the inclination angle difference value and the roll angle difference value, wherein the covered areas are tooth areas covered in the tooth brushing process;
determining a brushing zone score based on brushing time for each of the covered zones, the number of covered zones, and the total number of zones;
determining a brushing time score according to the current brushing time;
determining a brushing force score according to an overrun force difference value, wherein the overrun force difference value is a difference value between the current brushing force and the upper protection limit force;
determining a total brushing score according to the brushing zone score, the brushing duration score, and the brushing dynamics score;
and controlling the power and the working time of the toothbrush according to the brushing area score, the brushing time score, the brushing force score and the brushing total score.
According to the method for controlling the toothbrush in the spot, the tooth area, the tooth brushing time length and the tooth brushing force covered in the tooth brushing process of the user are obtained, the tooth brushing area score, the tooth brushing time length score and the tooth brushing force score are calculated respectively, and the total tooth brushing score is finally determined. Important information such as tooth brushing time, tooth brushing area and tooth brushing force are fused through multidimensional scoring, a systematic scoring result is obtained, the overall situation of tooth brushing of a user can be more comprehensively represented, and the scoring accuracy is improved. And based on the scores of different dimensions, the electric toothbrush is controlled, so that the effects of cleanliness and gum protection are enhanced, the control is timely performed according to the scores of multiple dimensions, and the oral health of a user is better protected.
Wherein, obtain the yaw angle, the inclination and the roll angle of toothbrush during operation, include:
acquiring six-dimensional data through a six-axis gyroscope, wherein the six-dimensional data comprise angular velocity and acceleration;
integrating the angular velocity to obtain a first angle;
performing angle conversion on the acceleration to obtain a second angle;
and converting the first angle and the second angle to obtain the yaw angle, the inclination angle and the roll angle.
Wherein the dental region comprises sixteen regions; the determining the number of covered areas according to the yaw angle difference, the pitch angle difference and the roll angle difference comprises:
when the yaw angle difference value is smaller than a first threshold value, determining a first direction result as a middle;
when the yaw angle difference value is larger than a second threshold value in the positive direction, determining that the first direction result is left;
when the yaw angle difference value is larger than the second threshold value in the negative direction, determining that the first direction result is right;
when the inclination angle difference value is larger than a third threshold value, determining that a second azimuth result is upper, otherwise, determining that the second azimuth result is lower;
when the roll angle difference value is smaller than a fourth threshold value, determining that a third azimuth result is the outer side;
when the roll angle difference value is larger than the fourth threshold value and smaller than a fifth threshold value, determining that the third orientation result is a chewing side;
when the roll angle difference value is larger than the fifth threshold value, determining that the third azimuth result is the inner side;
when the first direction result is middle and the roll angle difference value is larger than the fourth threshold value, determining that the third direction result is inner;
and determining the number of covered areas according to the first azimuth result, the second azimuth result and the third azimuth result.
Wherein said determining a brushing zone score based on a brushing time period for each of said covered zones, a number of said covered zones, and a total number of zones comprises:
determining coverage based on the number of covered areas and the total number of dental zones;
calculating variance according to the tooth brushing time length of each covered area, and determining uniformity;
the brushing zone score is determined based on the coverage, the uniformity, and the weight of the brushing zone.
Wherein, according to the current brushing time length, determining the brushing time length score comprises the following steps:
acquiring a preset total brushing time;
dividing the current brushing time length by the total brushing time length, multiplying the brushing time length by the weight of the brushing time length, and determining the brushing time length score.
Wherein, according to the dynamics difference that exceeds limit, confirm the dynamics of brushing teeth score, include:
acquiring duration time when the current brushing force is greater than the upper protection limit force;
and determining the brushing force score according to the overrun force difference value, the integral of the duration time and the weight of the brushing force.
Wherein the determining a total brushing score according to the brushing zone score, the brushing duration score, and the brushing force score comprises:
acquiring the ratio of the current brushing time length to the total brushing time length;
the ratio is multiplied by the sum of the brushing zone score and the brushing force score to determine the total brushing score.
In a second aspect, embodiments of the present application provide an electric toothbrush control device, the device comprising:
the area identification module is used for acquiring a yaw angle, an inclination angle and a roll angle when the toothbrush works, determining a yaw angle difference value, an inclination angle difference value and a roll angle difference value according to the yaw angle, the inclination angle and the roll angle when the toothbrush works and a reference angle set, wherein the reference angle set comprises the yaw angle, the inclination angle and the roll angle at the starting moment of the toothbrush, and determining the number of covered areas according to the yaw angle difference value, the inclination angle difference value and the roll angle difference value, wherein the covered areas are tooth areas covered in the tooth brushing process;
a brushing zone score calculation module for determining a brushing zone score based on brushing time for each of the covered zones, the number of covered zones, and the total number of zones;
the tooth brushing time score calculating module is used for determining a tooth brushing time score according to the current tooth brushing time;
the tooth brushing force score calculation module is used for determining a tooth brushing force score according to an overrun force difference value, wherein the overrun force difference value is a difference value between the current tooth brushing force and the upper protection limit force;
the tooth brushing total score calculating module is used for determining a tooth brushing total score according to the tooth brushing area score, the tooth brushing time score and the tooth brushing force score;
and the control module is used for controlling the power and the working time of the toothbrush according to the brushing area score, the brushing time score, the brushing force score and the brushing total score.
In a third aspect, embodiments of the present application provide an electronic device, the electronic device including a memory and a processor, the memory storing a computer program, the processor implementing the method for controlling an electric toothbrush according to the first aspect when executing the computer program.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium storing a computer program that, when executed by a processor, implements the electric toothbrush control method according to the first aspect.
According to the electric toothbrush control method, the device, the electronic equipment and the storage medium, the tooth brushing data of multiple dimensions such as the tooth brushing area, the tooth brushing time length and the tooth brushing force are obtained, the tooth brushing total score is comprehensively obtained by counting the tooth brushing time length, the tooth brushing area and the dimensional information such as the tooth brushing force, the overall tooth brushing condition of a user can be comprehensively represented, and the scoring accuracy is improved. The motor frequency, the duty ratio and the tooth brushing time length are adaptively adjusted according to the scoring conditions, so that the aim of cleaning can be achieved to the greatest extent and the gingiva is protected.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a flow chart of a method of controlling an electric toothbrush according to one embodiment of the present application;
FIG. 2 is a schematic illustration of a dental zone division provided in an embodiment of the present application;
FIG. 3 is a schematic view of an electric toothbrush control device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the present application.
The embodiment of the application provides a control method, a device, electronic equipment and a storage medium for an electric toothbrush, wherein the tooth area, the tooth brushing time and the tooth brushing force covered in the tooth brushing process of a user are obtained, the tooth brushing area score, the tooth brushing time score and the tooth brushing force score are calculated respectively, and finally the tooth brushing total score is determined. Important information such as tooth brushing time, tooth brushing area and tooth brushing force are fused through multidimensional scoring, a systematic scoring result is obtained, the overall situation of tooth brushing of a user can be more comprehensively represented, and the scoring accuracy is improved. And based on the scores of different dimensions, the electric toothbrush is controlled, so that the effects of cleanliness and gum protection are enhanced, the control is timely performed according to the scores of multiple dimensions, and the oral health of a user is better protected. The power and the working time length of the electric control toothbrush are adaptively controlled from multiple dimensions based on the scoring condition of the brushing area score, the brushing time length score and the brushing force score and the index in the middle, so that the situation that a user does not adjust the electric control toothbrush according to the score in time can be effectively avoided, and the gingiva is better protected while the tooth cleaning degree is improved.
Embodiments of the present application are further described below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a control method of an electric toothbrush according to an embodiment of the present application. As shown in fig. 1, the electric toothbrush control method at least includes, but is not limited to, steps S110 to S180:
step S110: acquiring a yaw angle, an inclination angle and a roll angle of the toothbrush during operation;
step S120: determining a yaw angle difference value, an inclination angle difference value and a roll angle difference value according to a yaw angle, an inclination angle and a roll angle and a reference angle set when the toothbrush works, wherein the reference angle set comprises the yaw angle, the inclination angle and the roll angle at the starting moment of the toothbrush;
step S130: determining the number of covered areas according to the yaw angle difference value, the inclination angle difference value and the roll angle difference value, wherein the covered areas are covered tooth areas in the tooth brushing process;
step S140: determining a brushing zone score based on the brushing time for each covered zone, the number of covered zones, and the total number of zones;
step S150: determining a brushing time score according to the current brushing time;
step S160: determining a brushing force score according to the overrun force difference, wherein the overrun force difference is a difference between the current brushing force and the upper protection limit force;
step S170: determining a total brushing score according to the brushing area score, the brushing duration score and the brushing force score;
step S180: and controlling the power and the working time of the toothbrush according to the brushing area score, the brushing time score, the brushing force score and the total brushing score.
Wherein, in step S120, the yaw angle difference is determined by the difference between the yaw angle of the toothbrush when in operation and the yaw angle in the reference angle set; the difference value of the inclination angle is determined by the difference value of the inclination angle of the toothbrush when in operation and the inclination angle in the reference angle set; the roll angle difference is determined by the difference between the roll angle of the toothbrush when in operation and the roll angle in the reference angle set.
In step S130, the covered area refers to the area of teeth that has been or is being subjected to a brushing action during brushing.
In step S140, the total number of dental zones refers to the total number of dental zones after the entire tooth is divided into dental zones, for example, the entire tooth is divided into 16 dental zones, and then the total number of dental zones is 16.
In step S150, the current brushing time period refers to a time period accumulated from the time when brushing starts to the current time.
In step S160, the upper protection limit force refers to the maximum force that the preset tooth gum can bear without being injured, and is typically set to 300g; the overrun force difference value refers to a value of a part where the current brushing force exceeds the upper protection force; wherein, the dynamics when brushing teeth is through installing pressure sensing sensor on electronic toothbrush, detects the deformation that produces because of pressure between brush head and the motor axle when brushing teeth, calculates the dynamics when brushing teeth according to the size of deformation.
In step S180, control of the power of the toothbrush means that the frequency and the duty cycle of a pulse width modulation (Pulse Width Modulation, PWM) signal of the motor of the toothbrush are adjusted; the control of the working time length refers to controlling the toothbrush to stop working after the toothbrush working time length reaches the preset maximum working time length, or prolonging the preset maximum working time length according to various grading conditions.
And respectively calculating a brushing area score, a brushing time score and a brushing force score by acquiring a brushing area, a brushing time and a brushing force covered by a user in the brushing process, and finally determining a total brushing score. Important information such as tooth brushing time, tooth brushing area and tooth brushing force are fused through multidimensional scoring, a systematic scoring result is obtained, the overall situation of tooth brushing of a user can be more comprehensively represented, and the scoring accuracy is improved. And based on the scores of different dimensions, the electric toothbrush is controlled, so that the effects of cleanliness and gum protection are enhanced, the control is timely performed according to the scores of multiple dimensions, and the oral health of a user is better protected.
In one embodiment, step S110 includes, but is not limited to, the following steps:
acquiring six-dimensional data through a six-axis gyroscope, wherein the six-dimensional data comprise angular velocity and acceleration;
integrating the angular velocity to obtain a first angle;
performing angle conversion on the acceleration to obtain a second angle;
and converting the first angle and the second angle to obtain a yaw angle, a pitch angle and a roll angle.
The six-axis gyroscope refers to an integrated circuit consisting of three angular velocity sensors and three acceleration sensors, can measure the rotation speed and acceleration of an object in three axial directions, and can judge the gesture, angle and motion state of the object through the calculation of a microprocessor. Through six-axis gyroscope sensor, utilize angular velocity and six-dimensional data of acceleration in the gyroscope, the angular velocity carries out the integral and obtains first angle, carries out the angular conversion to acceleration and obtains the second angle, fuses first angle and second angle and obtains the attitude angle through quaternion to euler's conversion of angle: yaw, pitch and pitch angles.
In one embodiment, the dental region includes sixteen regions; determining the number of covered areas from the yaw angle difference, the pitch angle difference, and the roll angle difference, comprising:
when the yaw angle difference value is smaller than a first threshold value, determining that the first direction result is middle;
when the yaw angle difference value is larger than a second threshold value in the positive direction, determining that the first direction result is left;
when the yaw angle difference value is larger than a second threshold value in the negative direction, determining that the first direction result is right;
when the difference value of the inclination angles is larger than a third threshold value, determining that the second azimuth result is upper, otherwise, determining that the second azimuth result is lower;
when the roll angle difference value is smaller than a fourth threshold value, determining that the third direction result is the outer side;
when the roll angle difference value is larger than the fourth threshold value and smaller than the fifth threshold value, determining that the third azimuth result is the chewing side;
when the roll angle difference value is larger than a fifth threshold value, determining that the third-direction result is the inner side;
when the first azimuth result is middle and the roll angle difference value is larger than a fourth threshold value, determining that the third azimuth result is inner;
and determining the number of covered areas according to the first azimuth result, the second azimuth result and the third azimuth result.
The specific division of the tooth area is as follows: fig. 2 is a schematic view of tooth space division according to an embodiment of the present application, and as shown in fig. 2, the tooth is divided into 6 large areas: upper right, upper middle, upper left, lower right, lower middle, lower left; wherein, four big areas of upper right, upper left, lower right, lower left are respectively divided into an outer side, a chewing side and an inner side, and an upper middle and a lower middle are respectively divided into an outer side and an inner side, and total 16 areas are respectively formed.
Illustratively, assuming that the yaw angle difference is greater than the second threshold in the positive direction, the pitch angle difference is greater than the third threshold, and the roll angle difference is less than the fourth threshold, correspondingly, the first orientation result is left, the second orientation result is up, and the third orientation result is out, then the dental zone is up left out, i.e., the (3) th dental zone shown in fig. 2.
Through the dental region division and dental region identification method, the dental region can be identified more rapidly and accurately, the dental region is divided into finer grains, and when the scoring of the tooth brushing region is carried out subsequently, the scoring result is more accurate, and the comprehensive condition of the tooth brushing region can be expressed better and comprehensively.
In one embodiment, step S140 includes, but is not limited to, at least the following steps: determining coverage based on the number of covered areas and the total number of dental zones; calculating variance according to the tooth brushing time length of each covered area, and determining uniformity; the brushing zone score is determined based on coverage, uniformity, and weight of the brushing zone.
Specifically, let the coverage beαThe coverage rate is used for representing the real-time detection and recording of brushing areas in each brushing process, the number of covered areas is counted, and the coverage rate calculating method comprises the following steps: the number of covered areas divided by the total number of dental zones, according to the dental zone division shown in fig. 2, is 16.
Let the uniformity beβUniformity refers to the uniformity of brushing time for each covered area, and not only is the coverage of each area detected in real time during brushing, but also the brushing time for each area is recorded. The uniformity calculating method comprises the following steps: only the tooth brushing time length of the covered areas is calculated, and the variance of the time length of each covered area is calculated as uniformity.
Tooth brushing zone scoreS y Weight of brushing zone score by subtracting the log of uniformity from coverageQ y The calculation results in the following formula:
，
the brushing zone score is considered from the overall cleanliness, and the final score is positively proportional to coverage and uniformity, in this example the uniformity is considered by variance, the greater the variance the less uniformity, so in the formulaS y And coverage rateαProportional to uniformity ofβInversely proportional.
In one embodiment, step S150 includes, but is not limited to, at least the following steps: acquiring a preset total brushing time; the current brushing time is divided by the total brushing time and multiplied by the weight of the brushing time to determine the brushing time score.
Specifically, the brushing time length adopts a linear scoring mechanism, and the brushing time length score is set asS x ，S x The calculation method comprises the following steps: weight of current brushing duration divided by total duration multiplied by brushing duration scoreQ x Default setting of total brushing durationT=120 seconds.
In one embodiment, step S160 includes, but is not limited to, at least the following steps: acquiring duration time when the current brushing force is greater than the upper protection limit force; and determining the tooth brushing force score according to the integral of the overrun force difference value and the duration time and the weight of the tooth brushing force.
Specifically, the upper limit of the protection is set to 300g, namely the upper limit of the protection is set to 300g, and the pressure alarm stage is set when the threshold of the protection is exceeded. Tooth brushing force scoreS z The calculation method comprises the following steps: overrun force difference delta in pressure alarm stagefAnd duration of pressure alarm phaseNWeight of the integral divided by the maximum integral area multiplied by the brushing force scoreQ z The formula is as follows:
，
wherein the maximum integral is set to 100g by default for 120 seconds.
In one embodiment, step S170 includes, but is not limited to, at least the following steps: acquiring the ratio of the current brushing time length to the total brushing time length; the ratio is multiplied by the sum of the brushing zone score and the brushing force score to determine a total brushing score.
Specifically, three scoring factors of the brushing area score, the brushing time score and the brushing force score in the embodiment are comprehensively considered, and the total brushing score is obtainedSThe calculation formula of (2) is as follows:
，
wherein,xfor the current brushing time, the unit of seconds is at mostTThe second of time is the time required for the device to complete,Q x for the weight corresponding to the brushing time period,S y for the brushing zone score,S z the tooth brushing force is scored.
From the above formulas, the end result of the scoring system is proportional to the brushing time period, coverage of the brushing area, and inversely proportional to the duration of the pressure alarm phase. Illustratively, the brushing period, brushing zone coverage, and duration of the pressure alert phase occupy different weights in the final scoreQ=[Q x ，Q y ，Q z ]=[60，15，25]The final score of the brushing area score and the brushing force score also have a linear relationship with brushing time, and the three factors are not independent of each other but only the brushing area coverage rate and the pressure alarm time. The boundary conditions are as follows:S(x，y，z) =0, if and only if the brushing period is 0;S(x，y，z) =100 if and only if the brushing period isTThe number of covered areas is 16 and the uniformity index is 0, and the duration of the pressure alarm phase is 0.
In one embodiment, the control of the frequency and the operation duration of the electric toothbrush by the respective scores in step S180 is specifically as follows:
in this embodiment, the motor and brushing time period of the electric toothbrush are adaptively adjusted according to the score condition index of each of the above embodiments so as to achieve a greater degree of cleaning of teeth and protection of gums.
Based on total score of brushingThe total brushing time duration of the electric toothbrush which is continuously started every time is regulated, the specific regulation modes are shown in a table 1, and the table 1 is the total brushing score +.>And a table of correspondence with the setting total brushing time period:
TABLE 1
According to the brushing time length of each area, the PWM frequency and the duty ratio of the vibration signal of the motor controlled by the area are timely adjusted, the specific adjustment modes are shown in a table 2, and the table 2 is a table of the correspondence relation between brushing time length and the adjusted PWM frequency and duty ratio provided by an example of the application:
TABLE 2
The duty ratio of the vibration of the motor is adjusted in real time according to the integral magnitude of the overrun pressure difference value and overrun time in the pressure alarm period, the specific adjustment mode is shown in table 3, and table 3 is a corresponding relation table of the overrun pressure difference value and overrun time integral and the adjusted PWM setting provided in an example of the application:
TABLE 3 Table 3
From the adaptive parameter settings, when brushing the total scoreThe algorithm can properly improve the brushing time at lower time, and the PWM duty ratio is improved in a matched mode aiming at the region with shorter brushing time according to the time of brushing each region so as to improve the cleaning effect of brushing. When the tooth brushing force is detected to exceed the force bearable by the gum, the sum is calculated according to the excessive force differenceAnd the PWM duty ratio is reduced by the interval integration, so that the vibration of the motor is weakened, and the effect of protecting the gum is achieved.
As shown in fig. 3, an embodiment of the present application further provides an electric toothbrush control device, which may implement the above electric toothbrush control method, where the device includes:
the area identification module is used for acquiring a yaw angle, an inclination angle and a roll angle when the toothbrush works, determining a yaw angle difference value, an inclination angle difference value and a roll angle difference value according to the yaw angle, the inclination angle and the roll angle when the toothbrush works and a reference angle set, wherein the reference angle set comprises the yaw angle, the inclination angle and the roll angle at the starting moment of the toothbrush, and determining the number of covered areas according to the yaw angle difference value, the inclination angle difference value and the roll angle difference value, wherein the covered areas are tooth areas covered in the tooth brushing process;
the tooth brushing area score calculation module is used for determining a tooth brushing area score according to the tooth brushing time length of each covered area, the number of the covered areas and the total number of the tooth areas;
the tooth brushing time score calculating module is used for determining a tooth brushing time score according to the current tooth brushing time;
the tooth brushing force score calculation module is used for determining a tooth brushing force score according to an overrun force difference value, wherein the overrun force difference value is a difference value between the current tooth brushing force and the upper protection limit force;
the total tooth brushing score calculating module is used for determining the total tooth brushing score according to the tooth brushing area score, the tooth brushing time score and the tooth brushing force score;
and the control module is used for controlling the power and the working time of the toothbrush according to the brushing area score, the brushing time score, the brushing force score and the brushing total score.
The specific embodiment of the electric toothbrush control device is basically the same as the specific embodiment of the electric toothbrush control method, and will not be described herein.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 4, the electronic device 2000 includes a memory 2100, a processor 2200. The number of memory 2100, processors 2200 may be one or more, with one memory 2101 and one processor 2201 being illustrated in fig. 4; the memory 2101 and the processor 2201 in the network device may be connected by a bus or other means, for example in fig. 4.
The memory 2101 is used as a computer readable storage medium for storing a software program, a computer executable program, and modules, such as program instructions/modules corresponding to the methods provided in any of the embodiments of the present application. The processor 2201 implements the electric toothbrush control method provided in any of the above embodiments by running software programs, instructions, and modules stored in the memory 2101.
The memory 2101 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for functions. In addition, memory 2101 may include high-speed random access memory and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, memory 2101 further includes memory located remotely from processor 2201, which may be connected to the device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
An embodiment of the present application also provides a computer-readable storage medium storing computer-executable instructions for performing a method of controlling an electric toothbrush as provided in any of the embodiments of the present application.
An embodiment of the present application also provides a computer program product, including a computer program or computer instructions, the computer program or computer instructions being stored in a computer readable storage medium, a processor of a computer device reading the computer program or computer instructions from the computer readable storage medium, the processor executing the computer program or computer instructions, causing the computer device to perform a method of controlling an electric toothbrush as provided in any embodiment of the present application.
The system architecture and the application scenario described in the embodiments of the present application are for more clearly describing the technical solution of the embodiments of the present application, and do not constitute a limitation on the technical solution provided by the embodiments of the present application, and those skilled in the art can know that, with the evolution of the system architecture and the appearance of a new application scenario, the technical solution provided by the embodiments of the present application is equally applicable to similar technical problems.
Those of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media [ or non-transitory media ] and communication media [ or transitory media ]. The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks [ DVD ] or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
As used in this specification, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being, a process running on a processor, an object, an executable, a thread of execution, a program, or a computer. By way of illustration, both an application running on a computing device and the computing device can be a component. One or more components may reside within a process or thread of execution and a component may be localized on one computer or distributed between 2 or more computers. Furthermore, these components can execute from various computer readable media having various data structures stored thereon. The components may communicate by way of local or remote processes such as in accordance with a signal having one or more data packets (e.g., data from two components interacting with one another in a local system, distributed system, or across a network such as the internet with other systems by way of the signal).
Some embodiments of the present application are described above with reference to the accompanying drawings, and thus do not limit the scope of the claims of the present application. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the present application shall fall within the scope of the claims of the present application.
Claims (7)
1. A method of controlling an electric toothbrush, the method comprising:
acquiring six-dimensional data through a six-axis gyroscope, wherein the six-dimensional data comprise angular velocity and acceleration;
integrating the angular velocity to obtain a first angle;
performing angle conversion on the acceleration to obtain a second angle;
converting according to the first angle and the second angle to obtain a yaw angle, an inclination angle and a roll angle;
determining a yaw angle difference value, an inclination angle difference value and a roll angle difference value according to a yaw angle, an inclination angle and a roll angle and a reference angle set when the toothbrush works, wherein the reference angle set comprises the yaw angle, the inclination angle and the roll angle at the starting moment of the toothbrush;
when the yaw angle difference value is smaller than a first threshold value, determining a first direction result as a middle; when the yaw angle difference value is larger than a second threshold value in the positive direction, determining that the first direction result is left; when the yaw angle difference value is larger than the second threshold value in the negative direction, determining that the first direction result is right; when the inclination angle difference value is larger than a third threshold value, determining that a second azimuth result is upper, otherwise, determining that the second azimuth result is lower; when the roll angle difference value is smaller than a fourth threshold value, determining that a third azimuth result is the outer side; when the roll angle difference value is larger than the fourth threshold value and smaller than a fifth threshold value, determining that the third orientation result is a chewing side; when the roll angle difference value is larger than the fifth threshold value, determining that the third azimuth result is the inner side; when the first direction result is middle and the roll angle difference value is larger than the fourth threshold value, determining that the third direction result is inner;
determining the number of covered areas according to the first azimuth result, the second azimuth result and the third azimuth result; wherein the covered area is a dental area covered in the tooth brushing process, and the dental area comprises sixteen areas;
determining coverage based on the number of covered areas and the total number of dental zones; calculating variance according to the tooth brushing time length of each covered area, and determining uniformity; determining the brushing zone score based on the coverage, the uniformity, and the weight of brushing zones;
determining a brushing time score according to the current brushing time;
determining a brushing force score according to an overrun force difference value, wherein the overrun force difference value is a difference value between the current brushing force and the upper protection limit force;
determining a total brushing score according to the brushing zone score, the brushing duration score, and the brushing dynamics score;
and controlling the power and the working time of the toothbrush according to the brushing area score, the brushing time score, the brushing force score and the brushing total score.
2. The method of claim 1, wherein determining a brushing time score based on a current brushing time comprises:
acquiring a preset total brushing time;
dividing the current brushing time length by the total brushing time length, multiplying the brushing time length by the weight of the brushing time length, and determining the brushing time length score.
3. The method of claim 1, wherein determining a brushing force score based on the overrun force differential comprises:
acquiring duration time when the current brushing force is greater than the upper protection limit force;
and determining the brushing force score according to the overrun force difference value, the integral of the duration time and the weight of the brushing force.
4. The method of claim 1, wherein said determining a total brushing score based on said brushing zone score, said brushing duration score, and said brushing force score comprises:
acquiring the ratio of the current brushing time length to the total brushing time length;
the ratio is multiplied by the sum of the brushing zone score and the brushing force score to determine the total brushing score.
5. An electric toothbrush control device, the device comprising:
the area identification module is used for acquiring six-dimensional data through a six-axis gyroscope, wherein the six-dimensional data comprise angular velocity and acceleration; integrating the angular velocity to obtain a first angle; performing angle conversion on the acceleration to obtain a second angle; converting according to the first angle and the second angle to obtain a yaw angle, an inclination angle and a roll angle; determining a yaw angle difference value, an inclination angle difference value and a roll angle difference value according to a yaw angle, an inclination angle and a roll angle and a reference angle set when the toothbrush works, wherein the reference angle set comprises the yaw angle, the inclination angle and the roll angle at the starting moment of the toothbrush; when the yaw angle difference value is smaller than a first threshold value, determining a first direction result as a middle; when the yaw angle difference value is larger than a second threshold value in the positive direction, determining that the first direction result is left; when the yaw angle difference value is larger than the second threshold value in the negative direction, determining that the first direction result is right; when the inclination angle difference value is larger than a third threshold value, determining that a second azimuth result is upper, otherwise, determining that the second azimuth result is lower; when the roll angle difference value is smaller than a fourth threshold value, determining that a third azimuth result is the outer side; when the roll angle difference value is larger than the fourth threshold value and smaller than a fifth threshold value, determining that the third orientation result is a chewing side; when the roll angle difference value is larger than the fifth threshold value, determining that the third azimuth result is the inner side; when the first direction result is middle and the roll angle difference value is larger than the fourth threshold value, determining that the third direction result is inner; determining the number of covered areas according to the first azimuth result, the second azimuth result and the third azimuth result; wherein the covered area is a dental area covered in the tooth brushing process, and the dental area comprises sixteen areas;
a brushing zone score calculation module for determining coverage based on the number of covered areas and the total number of dental zones; calculating variance according to the tooth brushing time length of each covered area, and determining uniformity; determining the brushing zone score based on the coverage, the uniformity, and the weight of brushing zones;
the tooth brushing time score calculating module is used for determining a tooth brushing time score according to the current tooth brushing time;
the tooth brushing force score calculation module is used for determining a tooth brushing force score according to an overrun force difference value, wherein the overrun force difference value is a difference value between the current tooth brushing force and the upper protection limit force;
the tooth brushing total score calculating module is used for determining a tooth brushing total score according to the tooth brushing area score, the tooth brushing time score and the tooth brushing force score;
and the control module is used for controlling the power and the working time of the toothbrush according to the brushing area score, the brushing time score, the brushing force score and the brushing total score.
6. An electronic device comprising a memory storing a computer program and a processor that when executing the computer program implements the method of controlling an electric toothbrush of any one of claims 1 to 4.
7. A computer-readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements the electric toothbrush control method according to any one of claims 1 to 4.
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