CN114271578A - Intelligent shoe capable of detecting foot step disorder and detection method - Google Patents
Intelligent shoe capable of detecting foot step disorder and detection method Download PDFInfo
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Abstract
The invention discloses an intelligent shoe capable of detecting foot step disorder and a detection method, wherein the method for detecting the foot step disorder comprises the following steps: calculating a step consistency value according to the left foot parameter information and the right foot parameter information; calculating a foot step force application rationality value according to the force application foot information; calculating the foot step alternation rule value according to the left foot contact information and the right foot contact information; and calculating a step standard value according to the step consistency value and/or the step force application rationality value and/or the step alternation rule value, and judging whether the steps are disordered or not according to the step standard value. The invention solves the problem of how to detect the disordered steps so as to effectively remind people to avoid falling.
Description
Technical Field
The invention belongs to the technical field of intelligent shoes, and particularly relates to an intelligent shoe capable of detecting foot step disorder and a detection method.
Background
The falling has great harm to human body, and even endangers life, especially for middle-aged and old people. One important human indication prior to a fall is the beginning of a disorder in the footsteps. Regarding the related art for detecting a fall, for example, chinese patent "a fall detection and alarm method" with publication number CN106529418B proposes a method including: 1) when a person under guardianship walks, a visual information acquisition module worn on the person under guardianship is used for acquiring video images; the visual information acquisition module is fixed, so that the visual information acquisition module approximately points to shooting surfaces in the same direction when a monitored person normally walks; 2) and monitoring whether the adjacent images in the preset time window are similar or not, and judging whether the monitored person falls down or not according to whether the adjacent images are not similar continuously in the time window or not. A Chinese patent 'a fall detection system for old people in walking state based on a single chip microcomputer' with publication number CN109830086A proposes a detection system which comprises a single chip microcomputer processing module, an inertial sensor module, a GPS positioning module, a GPRS communication module, a pressure sensor module and a power supply module; the inertial sensor module is arranged at the ankle joint part of an old user, the x axis of the inertial sensor module is forward horizontally, the y axis is rightward horizontally, and the z axis is downward vertically; the single chip microcomputer processing module, the GPS positioning module, the GPRS communication module, the pressure sensor module and the power supply module are integrally installed at the shoe inner sole of the old people; the GPRS communication module realizes the short message information communication with the monitoring mobile phone of the old through a GSW public network. The invention can realize the detection of the fall of the old, and simultaneously calculate the gait time phase parameters of the old, thereby providing necessary basis for analyzing the reason of the fall of the old and effectively preventing the fall of the old.
Above-mentioned technical scheme is through monitoring human sight information and the technique that the action of tumbleing takes place is judged to the health gesture condition, but leading indications that the footstep confusion etc. that above-mentioned scheme can not effective discernment personnel of wearing intelligent shoes appear tumble, can not in time prevent and remind the pedestrian to notice to prevent falling. At present, a technical scheme for effectively reminding people of avoiding falling by detecting foot step disorder does not exist, and therefore an intelligent shoe capable of detecting foot step disorder and a detection method are provided.
Disclosure of Invention
The invention provides an intelligent shoe capable of detecting foot step disorder and a detection method for solving the problems.
The invention discloses a method for detecting foot step confusion, which is characterized by comprising the following steps:
and calculating the step consistency value according to the left and right foot parameter information, and judging whether the steps are disordered or not according to the step consistency value.
Preferably, the left and right foot parameter information includes any one or more of movement direction information of the left and right feet, movement speed information of the left and right feet, height information of the left and right feet, left and right spacing information of the left and right feet, and front and rear spacing information of the left and right feet.
Preferably, the step consistency value is calculated according to the left and right foot parameter information, and the step comprises the following steps:
calculating a step direction consistency value according to the included angle of the action direction of the left foot and the action direction of the right foot at the current moment and/or the difference value of the left-right distance between the left foot and the right foot and the average distance in the previous period of time;
calculating a step speed consistency value according to the matching degree of the difference value of the moving speeds of the left foot and the right foot at the current moment and the height difference value of the left foot and the right foot and/or the matching degree of the difference value of the moving speeds of the left foot and the right foot and the front-back distance of the left foot and the right foot;
and calculating the step consistency value according to the step direction consistency value and/or the step speed consistency value.
The invention discloses a method for detecting foot step confusion, which is characterized by comprising the following steps:
and calculating the force application rationality value of the step according to the force application information and judging whether the step is disordered or not according to the force application rationality value.
Preferably, the power foot information includes any one or more combination of alternating information of the power foot when the person acts, time interval information of the alternating power foot when the person walks, time interval information of the alternating power foot when the person runs, pressure information of the power foot when the person walks, and pressure information of the power foot when the person runs.
Preferably, the step force application rationality value is calculated according to the force application foot information, and the method comprises the following steps:
acquiring the action speed of a person at the current moment and analyzing the stress of the left foot and the right foot to obtain the information of the stressed foot;
and calculating a foot step force application rationality value according to a matching value of the conversion frequency of the force application foot and the action speed when the person acts within a certain current time period and/or a matching value of the time interval for converting the force application foot and the action speed and/or a matching value of the pressure information of the force application foot and the action speed.
The invention discloses a method for detecting foot step confusion, which is characterized by comprising the following steps:
and calculating the alternate footstep rule value according to the contact information of the left foot and the right foot, and judging whether the footsteps are disordered or not according to the alternate footstep rule value.
Preferably, the left and right foot contact information includes any one or more of time interval information of the left and right feet contacting the ground in different motion states, front-back distance information of the left and right feet contacting the ground in different motion states, and left-right distance information of the left and right feet contacting the ground in different motion states.
Preferably, the step alternation rule value is calculated according to the left and right foot touchdown information, and the method comprises the following steps:
calculating a step alternation time rule value according to the change value of the time interval of the left and right feet contacting the ground within a certain current time period;
calculating a step alternate distance rule value according to the change value of the front-back distance of the left foot and the right foot contacting the ground and/or the change value of the left-right distance of the left foot and the right foot contacting the ground in a certain current time period;
and calculating the value of the step alternation rule according to the value of the step alternation time rule and/or the value of the step alternation distance rule.
The invention discloses a method for detecting foot step confusion, which is characterized by comprising the following steps:
and calculating a step standard value according to the step consistency value and/or the step force application rationality value and/or the step alternation rule value, and judging whether the steps are disordered or not according to the step standard value.
A computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the above method.
An intelligent shoe capable of detecting foot step disorder, characterized by comprising: the shoe comprises a shoe body, a motion detection device, a data transmission device, a processor, a memory, a reminding device and one or more programs, wherein the motion detection device, the data transmission device, the processor, the memory and the reminding device are arranged in the shoe; the activity detection device is used for detecting left and right foot parameter information, force foot information and left and right foot contact information, the data transmission device is used for transmitting collected data to a processor, the reminding device is used for reminding attention to falling prevention when a foot step disorder is detected, and the one or more programs are stored in a memory and configured to be executed by the processor, and the programs enable a computer to execute the method.
The method and the system have the advantages that:
(1) the step consistency value is calculated according to the included angle of the action direction of the left foot and the right foot at the current moment and/or the difference value of the left-right spacing of the left foot and the right foot and the average spacing in the previous period of time as well as the difference value of the moving speed of the left foot and the right foot at the current moment and the height difference value of the left foot and the right foot and/or the matching degree of the front-back spacing, so that the consistency of the direction and the speed of the steps of the left foot and the right foot can be effectively identified, and the falling hidden danger caused by the inconsistency of the left foot and the right foot can be conveniently identified.
(2) The step force rationality value is calculated according to the matching value of the transformation frequency and the action speed of the force applying foot during action and/or the matching value of the time interval and the action speed of the transformation force applying foot and/or the matching value of the pressure information and the action speed of the force applying foot, so that the matching condition of the step force and the action speed can be effectively identified, and the falling hidden danger caused by mismatching of the step force and the speed is conveniently identified.
(3) The step alternation rule value is calculated according to the change value of the time interval between the left foot and the right foot which are contacted with the ground, the change value of the front-back distance between the left foot and the right foot which are contacted with the ground and/or the change value of the left-right distance, whether the step alternation time and the distance are regular or not can be effectively identified, and the falling hidden danger caused by sudden change of the step alternation habit is conveniently identified.
(4) The method has the advantages that the step hidden danger value is calculated according to the step consistency value and/or the step force application rationality value and/or the step alternation regular value, whether the step has the falling hidden danger or not is judged according to the step hidden danger value, and the falling risks possibly brought by the inconsistency of the left and right steps, the force application discordance, the disordered step alternation regular and the like of wearing the intelligent shoe can be effectively identified so as to timely prevent and remind pedestrians.
Drawings
FIG. 1 is a flow chart of the steps of a method of detecting a foot step violation according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an intelligent shoe capable of detecting foot step confusion according to an embodiment of the invention.
Detailed Description
The following describes in detail preferred embodiments of the present invention. The wearing object of the smart shoe of the present invention is not limited to a human, but includes an animal (e.g., a pet shoe), a smart robot (for replacing one or more feet of a robot), and the like, and when applied to an animal or a smart robot having more than two feet, the left and right feet can be extended to have more than one foot.
An embodiment of a method for detecting a foot step confusion of the present invention is characterized by comprising:
acquiring left and right foot parameter information;
and calculating the step consistency value according to the left and right foot parameter information, and judging whether the steps are disordered or not according to the step consistency value.
Preferably, the left and right foot parameter information includes any one or more of movement direction information of the left and right feet, movement speed information of the left and right feet, height information of the left and right feet, left and right spacing information of the left and right feet, and front and rear spacing information of the left and right feet. In this embodiment, different types of shoes, such as old shoes, children shoes, leather shoes, sports shoes, high-heeled shoes, sandals, etc., have different walking requirements, and the parameter requirements of the left and right feet are also different, and mainly include any one or a combination of information about the moving direction of the left and right feet, information about the moving speed of the left and right feet, information about the height of the left and right feet, information about the left and right spacing of the left and right feet, and information about the front-back spacing of the left and right feet.
Preferably, the step consistency value is calculated according to the left and right foot parameter information, and the step comprises the following steps:
calculating a step direction consistency value according to the included angle of the action direction of the left foot and the action direction of the right foot at the current moment and/or the difference value of the left-right distance between the left foot and the right foot and the average distance in the previous period of time;
calculating a step speed consistency value according to the matching degree of the difference value of the moving speeds of the left foot and the right foot at the current moment and the height difference value of the left foot and the right foot and/or the matching degree of the difference value of the moving speeds of the left foot and the right foot and the front-back distance of the left foot and the right foot;
and calculating the step consistency value according to the step direction consistency value and/or the step speed consistency value.
In this embodiment, the step direction consistency value is calculated according to the included angle between the action directions of the left foot and the right foot at the current time and/or the difference between the left-right distance between the left foot and the right foot and the average distance in the previous period, where: the step direction consistency value is calculated according to the negative correlation relationship between the included angle of the action direction of the left foot and the action direction of the right foot at the current moment and the step direction consistency value, the step direction consistency value is calculated according to the negative correlation relationship between the difference value between the left and right spacing of the left foot and the right foot and the average spacing in the previous period and the step direction consistency value, any one of the step direction consistency values is calculated according to the negative correlation relationship between the included angle of the action direction of the left foot and the right foot at the current moment and the difference value between the left and right spacing of the left foot and the right foot and the average spacing in the previous period and the step direction consistency value, and the step direction consistency value is expressed by a variable m.
The step speed consistency value is calculated according to the matching degree of the difference value of the moving speeds of the left foot and the right foot at the current moment and the height difference value of the left foot and the right foot and/or the matching degree of the difference value of the moving speeds of the left foot and the right foot and the front-back distance of the left foot and the right foot, and the step speed consistency value is calculated according to the following steps: calculating a step velocity consistency value according to a positive correlation between the degree of matching between the difference in the moving velocity of the left and right feet at the present time and the difference in height between the left and right feet (calculated from a preset correspondence between the moving velocity and the difference in height) and the step velocity consistency value, calculating a step velocity consistency value according to a positive correlation between the degree of matching between the difference in the moving velocity of the left and right feet and the anteroposterior distance between the left and right feet (calculated from a preset correspondence between the moving velocity and the anteroposterior distance) and the step velocity consistency value, and calculating a step speed consistency value according to the positive correlation between the matching degree of the difference value of the moving speeds of the left foot and the right foot at the current moment and the height difference value of the left foot and the right foot, the matching degree of the difference value of the moving speeds of the left foot and the right foot and the front-back distance of the left foot and the right foot and the step speed consistency value, wherein the step speed consistency value is represented by a variable n.
The step consistency value is calculated according to the step direction consistency value and/or the step speed consistency value, and is calculated according to the positive correlation of the step consistency value and the step direction consistency value and/or the step speed consistency value, and the step consistency value is represented by a variable a.
Table a shows different embodiments of calculating the step uniformity value a from a1 to A3, where the step direction uniformity value m and the step speed uniformity value n in table a are calculated using the calculation formulas in the above embodiments.
TABLE A different embodiments for calculating step consistency values
A step consistency abnormality threshold value X is set in advance, a step consistency value a is obtained by the calculation method in any one of table a, and if a < X (for example, X is 0.8), it is determined that the step is disturbed.
In another preferred embodiment, the present invention provides a method for detecting a foot step confusion, comprising:
acquiring force application foot information;
and calculating the force application rationality value of the step according to the force application information and judging whether the step is disordered or not according to the force application rationality value.
Preferably, the power foot information includes any one or more combination of alternating information of the power foot when the person acts, time interval information of the alternating power foot when the person walks, time interval information of the alternating power foot when the person runs, pressure information of the power foot when the person walks, and pressure information of the power foot when the person runs. In this embodiment, different types of shoes, such as the old shoes, the children shoes, the leather shoes, the sports shoes, the high-heeled shoes, the sandals, and the pet shoes, have different requirements for the power generation feet according to different walking modes, and mainly include any one or more of the information of the power generation feet when the person acts, the information of the time interval for the power generation feet when the person walks, the information of the time interval for the power generation feet when the person runs, the information of the pressure of the power generation feet when the person walks, and the combination of the information of the pressure of the power generation feet when the person runs.
Preferably, the step force application rationality value is calculated according to the force application foot information, and the method comprises the following steps:
acquiring the action speed of a person at the current moment and analyzing the stress of the left foot and the right foot to obtain the information of the stressed foot;
and calculating a foot step force application rationality value according to a matching value of the conversion frequency of the force application foot and the action speed when the person acts within a certain current time period and/or a matching value of the time interval for converting the force application foot and the action speed and/or a matching value of the pressure information of the force application foot and the action speed.
In this embodiment, the matching value of the transformation frequency and the action speed of the power foot during the action of the person is a matching value of the transformation frequency and the action speed of the power foot during the action of the person, which is calculated according to the matching condition of the transformation frequency and the action speed of the current power foot and the corresponding relationship between the transformation frequency and the action speed of the power foot, which is set in advance, and is represented by a variable u, the value range is from 0 to 1, and the larger the difference between the current action speed and the normal action speed corresponding to the transformation frequency of the current power foot is, the smaller the matching degree u is.
The matching value of the time interval and the action speed of the person transforming the power foot is calculated according to the matching condition of the time interval and the action speed of the current transforming power foot and the corresponding relation between the time interval and the action speed of the transforming power foot which are set in advance, the matching value of the time interval and the action speed of the current transforming power foot is expressed by a variable v, the value range is from 0 to 1, and the larger the difference value of the normal action speed corresponding to the time interval of the current transforming power foot is, the smaller the matching degree v is.
The matching value of the pressure information and the action speed of the person power foot is calculated according to the matching condition of the corresponding relation between the current pressure information and the action speed of the person power foot and the preset pressure information and action speed of the power foot, the matching value of the current pressure information and the action speed of the current power foot is represented by a variable y, the value range is from 0 to 1, and the larger the difference value between the current action speed and the normal action speed corresponding to the current pressure information of the power foot is, the smaller the matching degree y is.
The step force rationality value is calculated according to the matching value of the conversion frequency of the force-applying foot and the action speed when the person acts in the current certain time period and/or the matching value of the time interval of the person conversion force-applying foot and the action speed and/or the matching value of the pressure information of the person force-applying foot and the action speed, wherein the step force rationality value is obtained by calculating the positive correlation relation between the step force rationality value and the matching value of the conversion frequency of the force-applying foot and the action speed when the person acts in the current certain time period and/or the matching value of the time interval of the person conversion force-applying foot and the action speed and/or the positive correlation between the pressure information of the person force-applying foot and the matching value of the action speed, and the step force rationality value is expressed by a variable b.
In table B, B1 to B7 show different embodiments of calculating the foot step force rationality value B, wherein the matching value u of the conversion frequency of the force applying foot and the action speed, the matching value v of the time interval of converting the force applying foot and the action speed, and the matching value y of the pressure information of the force applying foot and the action speed, which are referred to in table B, are calculated by the calculation formulas in the above embodiments.
Table B different embodiments for calculating the rationality of the force exerted by the footsteps
The power foot abnormality threshold value Y is set in advance, the foot step power rationality value B is obtained by the calculation method in any one of the tables B, and if B < Y (for example, Y is 0.6), it is determined that the foot step is out of order.
In another preferred embodiment, the present invention provides a method for detecting a foot step confusion, comprising:
acquiring left and right foot touchdown information;
and calculating the alternate footstep rule value according to the contact information of the left foot and the right foot, and judging whether the footsteps are disordered or not according to the alternate footstep rule value.
Preferably, the left and right foot contact information includes any one or more of time interval information of the left and right feet contacting the ground in different motion states, front-back distance information of the left and right feet contacting the ground in different motion states, and left-right distance information of the left and right feet contacting the ground in different motion states. In this embodiment, the requirements for the left and right feet to contact the ground are different according to different walking requirements of different types of shoes, such as old shoes, children shoes, leather shoes, sports shoes, high-heeled shoes, sandals, and mainly include any one or more of time interval information when the left and right feet contact the ground in different sports states, front-back distance information when the left and right feet contact the ground in different sports states, and left-right distance information when the left and right feet contact the ground in different sports states.
Preferably, the step alternation rule value is calculated according to the left and right foot touchdown information, and the method comprises the following steps:
calculating a step alternation time rule value according to the change value of the time interval of the left and right feet contacting the ground within a certain current time period;
calculating a step alternate distance rule value according to the change value of the front-back distance of the left foot and the right foot contacting the ground and/or the change value of the left-right distance of the left foot and the right foot contacting the ground in a certain current time period;
and calculating the value of the step alternation rule according to the value of the step alternation time rule and/or the value of the step alternation distance rule.
In this embodiment, the step alternation time rule value calculated according to the variation value of the time interval between the left foot and the right foot contacting the ground in the current certain time period is: and calculating any one of the values of the alternating time of the steps according to the negative correlation relationship between the variance of the time interval between the left foot and the right foot contacting the ground in the current certain time period and the value of the alternating time of the steps, and the value of the alternating time of the steps is represented by a variable p.
The step alternate distance rule value is calculated according to the change value of the front-back distance of the left foot and the right foot contacting the ground and/or the change value of the left-right distance of the left foot and the right foot contacting the ground in a current certain time period, and the step alternate distance rule value is as follows: the method comprises the steps of calculating a step alternate distance rule value according to the negative correlation relationship between the change value (average change or variance) of the distance between the left foot and the right foot in contact with the ground and the step alternate distance rule value in a current certain time period, calculating a step alternate distance rule value according to the negative correlation relationship between the change value (average change or variance) of the distance between the left foot and the right foot in contact with the ground and the step alternate distance rule value, and calculating any one of the step alternate distance rule values according to the change value of the distance between the left foot and the right foot in contact with the ground in the current certain time period and the negative correlation relationship between the change value (average change or variance) of the distance between the left foot and the right foot in contact with the ground and the step alternate distance rule value, wherein the step alternate distance rule value is represented by a variable q.
The step alternation rule value is calculated according to the positive correlation relation of the step alternation rule value and the step alternation time rule value and/or the step alternation distance rule value, and the step alternation rule value is represented by a variable c.
C1 to C3 in table C show different embodiments of calculating the value of the step alternation rule, wherein the value of the step alternation time rule p and the value of the step alternation distance rule q referred to in table C are obtained by using the formulas in the above embodiments.
TABLE C different embodiments for calculating the value of the alternative law of steps
A step alternation anomaly threshold value Z is set in advance, a step alternation law value C is obtained by the calculation method of any one of the tables C, and if C < Z (for example, Z is 0.6), it is determined that the step is disturbed.
In another preferred embodiment, a method for detecting foot step confusion according to the present invention, which is illustrated in the flow chart of fig. 1, comprises the steps of:
calculating a step consistency value according to the left foot parameter information and the right foot parameter information;
calculating a foot step force application rationality value according to the force application foot information;
calculating the foot step alternation rule value according to the left foot contact information and the right foot contact information;
and calculating a step standard value according to the step consistency value and/or the step force application rationality value and/or the step alternation rule value, and judging whether the steps are disordered or not according to the step standard value.
In this embodiment, the step normative value calculated according to the step consistency value and/or the step force rationality value and/or the step alternation rule value is calculated according to a positive correlation between the step normative value and the step consistency value and/or the step force rationality value and/or the step alternation rule value, and the step normative value is expressed by a variable x.
Table D, D1-D7, shows various embodiments of calculating the foot step specification values, wherein the foot step consistency value a, the foot step force rationality value b, and the foot step alternation rule value c referred to in table D are obtained by using the formulas in the above embodiments.
Table D different embodiments for calculating the foot step specification values
A step specification value x is calculated by the method described in any one of table D, a step confusion threshold value U (for example, U is 0.8) is set in advance, and if x < U, it is determined that the step is disturbed.
A computer-readable storage medium storing a computer program for electronic data exchange, wherein the computer program causes a computer to perform the above method.
An intelligent shoe capable of detecting foot step disorder, characterized by comprising: the shoe comprises a shoe body, a motion detection device, a data transmission device, a processor, a memory, a reminding device and one or more programs, wherein the motion detection device, the data transmission device, the processor, the memory and the reminding device are arranged in the shoe; the activity detection device is used for detecting left and right foot parameter information, force foot information and left and right foot contact information, the data transmission device is used for transmitting collected data to a processor, the reminding device is used for reminding attention to falling prevention when a foot step disorder is detected, and the one or more programs are stored in a memory and configured to be executed by the processor, and the programs enable a computer to execute the method.
Of course, those skilled in the art should realize that the above embodiments are only used for illustrating the present invention, and not as a limitation to the present invention, and that the changes and modifications of the above embodiments will fall within the protection scope of the present invention as long as they are within the scope of the present invention.
Claims (10)
1. A method for detecting a foot step disturbance, comprising:
and calculating the step consistency value according to the left and right foot parameter information, and judging whether the steps are disordered or not according to the step consistency value.
2. The method of claim 1, wherein the left and right foot parameter information comprises any one or more of motion direction information of left and right feet, moving speed information of left and right feet, height information of left and right feet, left and right distance information of left and right feet, and front and back distance information of left and right feet.
3. The method for detecting foot step confusion of claim 1, wherein the step consistency value is calculated according to the left and right foot parameter information, comprising the steps of:
calculating a step direction consistency value according to the included angle of the action direction of the left foot and the action direction of the right foot at the current moment and/or the difference value of the left-right distance between the left foot and the right foot and the average distance in the previous period of time;
calculating a step speed consistency value according to the matching degree of the difference value of the moving speeds of the left foot and the right foot at the current moment and the height difference value of the left foot and the right foot and/or the matching degree of the difference value of the moving speeds of the left foot and the right foot and the front-back distance of the left foot and the right foot;
and calculating the step consistency value according to the step direction consistency value and/or the step speed consistency value.
4. A method for detecting a foot step disturbance, comprising:
and calculating the force application rationality value of the step according to the force application information and judging whether the step is disordered or not according to the force application rationality value.
5. The method for detecting foot step confusion according to claim 4, wherein the step of calculating the foot step force rationality value according to the force foot information comprises the steps of:
acquiring the action speed at the current moment and analyzing the stress of the left foot and the right foot to obtain the information of the stressed foot; the force generation foot information comprises any one or more of the combination of alternative information of the force generation foot during action, time interval information of the force generation foot during walking, time interval information of the force generation foot during running, pressure information of the force generation foot during walking and pressure information of the force generation foot during running;
and calculating a foot step force application rationality value according to the matching degree of the transformation frequency of the force application foot and the action speed when the user acts in a certain current time period and/or the matching degree of the time interval for transforming the force application foot and the action speed and/or the matching degree of the pressure information of the force application foot and the action speed.
6. A method for detecting a foot step disturbance, comprising:
and calculating the alternate footstep rule value according to the contact information of the left foot and the right foot, and judging whether the footsteps are disordered or not according to the alternate footstep rule value.
7. The method of detecting foot step confusion as claimed in claim 6, wherein the left and right foot contact patch information comprises any one or more of time interval information of the left and right foot contacting the ground surface in different motion states, front-back distance information of the left and right foot contacting the ground surface in different motion states, and left-right distance information of the left and right foot contacting the ground surface in different motion states.
8. The method for detecting foot strike confusion of claim 6, wherein the step of calculating a foot alternation rule value based on the left and right foot contact information comprises the steps of:
calculating a step alternation time rule value according to the change value of the time interval of the left and right feet contacting the ground within a certain current time period;
calculating a step alternate distance rule value according to the change value of the front-back distance of the left foot and the right foot contacting the ground and/or the change value of the left-right distance of the left foot and the right foot contacting the ground in a certain current time period;
and calculating the value of the step alternation rule according to the value of the step alternation time rule and/or the value of the step alternation distance rule.
9. A method for detecting a foot step disturbance, comprising:
a step consistency value according to claim 1 and/or a step force rationality value according to claim 4 and/or a step alternation rule value according to claim 6, wherein the step specification value is calculated and used to determine whether the step is chaotic.
10. An intelligent shoe capable of detecting foot step disorder, characterized by comprising: the shoe comprises a shoe body, a motion detection device, a data transmission device, a processor, a memory, a reminding device and one or more programs, wherein the motion detection device, the data transmission device, the processor, the memory and the reminding device are arranged in the shoe; the activity detection device for detecting left and right foot parameter information, energizing foot information, and left and right foot contact information, the data transmission device for transmitting the collected data to a processor, a reminder device for reminding attention to fall prevention when a foot step disorder is detected, the one or more programs stored in a memory and configured to be executed by the processor, the programs causing a computer to perform the method of any of claims 1-9.
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