KR20150117716A - Method for Information Service of Pitting Shoes using analysis of walking pattern - Google Patents

Abstract

The present invention relates to a method for providing personalized shoe information through walking pattern analysis. A pressure sensor, an acceleration sensor and an angular velocity sensor are provided on the bottom of a shoe. The method is to analyze a walking pattern of a user by using parameters measured from each sensor, and to provide information for manufacturing personalized shoes for the user by using the analyzed walking pattern.

Description

[0001] The present invention relates to a personalized footwear information providing method,

The present invention relates to a method of providing personalized shoe information by analyzing gait information. The method includes analyzing a user's gait pattern through information inputted through an acceleration sensor, an angular velocity sensor, and a pressure sensor provided in a shoe sole layer, The present invention relates to a personalized shoe information providing method using walking information analysis.

For the health care of the general person or the patient with the walking disorder, various daily exercise quantity and body fat are measured and managed by various equipments.

However, most of the equipment for measurement and management of general exercise amount or body fat is fixed type, and there is a limitation in measuring and managing usual exercise amount in daily life.

In recent years, in order to overcome such limitations due to the development of sensors and IT technology, it is possible to attach to the body, or to manage using a portable exercise quantity measuring device such as a watch type or a band type.

A technology for measuring and managing a user's momentum by incorporating a microcontroller for generating an insole sensor, an acceleration sensor and user's state information and momentum information on a shoe according to the prior art is disclosed in Korean Patent Registration No. 10-1263216 An operation method thereof) is disclosed.

FIG. 1 is a block diagram of an internal block of a module mounted inside a smart shoe according to the related art, which includes a film type insole sensor 11 for measuring a change in force applied by a user's foot as a resistance value, A micro controller 13 for predicting the current state and the momentum of the user by using the resistance value and the acceleration value and generating the state information and the momentum information of the user by using the resistance value and the acceleration value, An indoor location recognition module 14 for detecting the location of a user wearing a smart shoe, and a GPS module 15.

The thus configured smart shoe measures the change in the force applied by the user's foot using the film type insole sensor 11 as a resistance value and measures the acceleration value according to the motion change of the smart shoe using the acceleration sensor 12. [ .

At the same time, the indoor location recognition module 14 and the GPS module 15 are used to periodically detect the location of the user and generate location information of the user.

Here, when the user is located in a room such as a room, a dining room, a rest room, a non-exercise room, and the like, the indoor location recognition module 14 detects the location of the user, , The GPS module 15 is used to detect the position of the user.

Next, the measured resistance value and the acceleration value are analyzed to predict the current state and the momentum of the user, and the state information and the momentum information of the user are generated.

The smart shoes according to the related art and the operation method thereof provide shoes that can recognize the activity amount and the position of the elderly residing in the silver town or the elderly home so that the elderly living in the daily life such as exercise facilities, Activity and sociability can be measured.

However, the smart shoes and the operation method according to the related art can not analyze the gait pattern in addition to recognizing the amount of shoes activity and the position using the information obtained from each user.

Accordingly, the present invention has a pressure sensor, an acceleration sensor, and an angular velocity sensor on the floor of a shoe for the purpose of solving the problems of the prior art, and analyzes the user's gait pattern using the parameters measured from each sensor, The present invention provides a method for providing personalized shoe information through walking information analysis that can provide information for customized shoe production for each user.

In order to accomplish the object of the present invention, the personalized shoe information providing process through walking information analysis includes a plurality of pressure sensors provided on the floor of both shoe worn by the user, a three-axis acceleration sensor provided on both shoes or one shoe, A method of providing personalized shoe information through gait information analysis for analyzing a user's gait pattern by analyzing each measured value input from a three-axis angular velocity sensor, the method comprising the steps of: measuring each foot pressure measured from a plurality of pressure sensors A first step of determining a walking state according to a pedestrian degree and a distribution state from a value; A second step of measuring x, y and z axis variations of the three-axis acceleration sensor and the angular velocity sensor; A third step of determining a walking pattern by analyzing footprint information of the user from the foot pressure information measured in the first and second steps and the amount of change of each axis; A fourth step of obtaining x and y axis measurement values of the three-axis angular velocity sensor measured in the second process; A fifth step of determining the rotational direction and degree of the foot during the gait through the x and y axis measurement values of the 3-axis angular velocity sensor measured in the fourth step; A sixth step of analyzing the foot rotation pattern of the user using the footprint information of the user and the rotational direction and the rotational accuracy data analyzed through the third and fifth processes; And a seventh step of providing personalized shoe information based on the swing pattern analyzed in the sixth step.

The method for analyzing the momentum based on the walking information analysis according to the present invention includes a pressure sensor, an acceleration sensor, and an angular velocity sensor on the floor of a shoe, analyzing a user's gait pattern using parameters measured from each sensor, It is possible to provide information for customized shoe production for each user.

1 is an internal block diagram of a module mounted inside a smart shoe according to the prior art,
FIG. 2 is a configuration diagram of a personalized shoe information providing apparatus through walking information analysis for implementing the present invention,
FIG. 3 is a flowchart of a process of providing personalized shoe information through walking information analysis according to an embodiment of the present invention, FIG.
4 is a photograph showing an embodiment in which a plurality of pressure sensors adhered to the sole of a shoe according to an embodiment of the present invention is attached,
FIG. 5 is a screen display showing the foot pressure, the distribution, and the footprint of both shoes measured in the terminal according to the embodiment of the present invention,
FIG. 6 is a screen display diagram of angle, acceleration, and footprint information measured at a right / left foot of a user,
FIG. 7 is a state display of the saddle walking and the saddle walking determined through the gait pattern analysis process.

A method of providing personalized shoe information through walking information analysis according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a block diagram of a personalized shoe information providing apparatus for analyzing walking information for implementing the present invention. The apparatus includes a plurality of pressure sensors 101 installed on the floor of a shoe, Axis acceleration and angular velocity sensors 103 and 103 for measuring an axial acceleration and a 3-axis angular velocity, an input unit 111 for inputting and amplifying signals from the plurality of pressure sensors 101, An amplifier 112 for amplifying the three-axis acceleration / angular velocity signal input through the sensors 102 and 103, and a controller 110 for converting signals input through the respective input units and the amplifiers 111 and 112 into digital signals A wireless communication unit 114 for transmitting the signal in a wireless format such as Bluetooth or the like, and a wireless communication unit 114 for receiving the measurement signals transmitted through the wireless communication unit 114 and analyzing the user's gait pattern, Customized shoes for each user It consists of a terminal 120 to provide information for less.

Here, a power supply unit for supplying power to the input unit 111, the amplifier 112, the microcontroller 113, and the wireless communication unit 114 is added, and each of the units is mounted on the main board 100.

As shown in FIG. 3, the pressure sensor 101 includes ten pressure sensors 101 (U1 to U5, D1 to D5) as shown in FIG. 3. The pressure sensor 101 is composed of a multichannel film type FSR (Force Sensing Resistor) And the pressure signals of the respective sensors are input to the main board 100 through ten channels.

It is preferable that the three-axis acceleration and angular velocity sensors 102 and 103 are installed in the shoe sole together with the main board 100.

The main board 100 and the sensors 101 to 103 including the units 111 to 114 are provided in both shoes and acquire signals from the respective shoes of the user and transmit the signals to the terminal 120.

The terminal 120 is equipped with a wireless communication module capable of interfacing with the wireless communication unit 114. The terminal 120 calculates the transmitted data and analyzes the user's walking information to determine a walking pattern and a walking direction pattern, A personal computer (PC) for storing information, a notebook computer, a smart phone, and a smart pad.

FIG. 4 is a diagram showing an example of a plurality of pressure sensors adhered to the sole of a shoe according to an embodiment of the present invention. In FIG. 4, a pressure And each sensor 101 is distributed at an appropriate position so as to be used.

FIG. 3 is a flowchart of a process of providing personalized shoe information by analyzing the walking information according to an embodiment of the present invention. The process of processing each signal measured in one shoe will be described, And the detailed description thereof will be omitted.

First, a pressure measurement signal from each pressure sensor 101 attached to both shoes, a three-axis acceleration / angular velocity signal measured from the three-axis acceleration sensor and angular velocity sensors 102 and 103 is input to the main board 100 Inputted through the input unit 111 and the amplification unit 112, amplified, and then input from the microcontroller 113.

The microcontroller 113 wirelessly transmits a measurement signal of each input sensor to the terminal 120 through the wireless communication unit 114.

The terminal 120 analyzes pressure values measured through ten channels and calculates footprint information such as a foot pressure, a foot pressure distribution, and a footprint order of the user.

The size of the foot pressure is divided into eight steps as shown in Table 1 below.

FSR measurement value Step value 3584-4095 0 3072-3583 One 2560 ~ 3071 2 2048 to 2559 3 1036-2047 4 1024-1535 5 512 to 1023 6 0 to 511 7

The terminal 120 analyzes the sensed measured value (FSR) of each pressure sensor 101 to determine a step state. That is, from the heel to the big toe in order, analyze whether the pressure sensor value is measured above the set value.

That is, FIG. 5 is a screen display showing the size, distribution, and footprint of footwear of both shoes measured by the terminal 120 according to the embodiment of the present invention. By analyzing such foot pressure size, distribution and footprint, Whether it is walking, walking, running, or the like.

Also, the terminal 120 analyzes the gait pattern from the three-axis acceleration data measured and input from the three-axis acceleration sensor 102. [

6 is a screen display of angle, acceleration, and footprint information measured at the right / left foot of the user. The terminal 120 includes three-axis angular velocity sensors and acceleration sensors 102 and 103 provided at the right / And the gait pattern of the user is analyzed with the parameters of the x and y axis angles and the acceleration change amounts of the left foot of the right foot through the measured values of the right foot and the acceleration measured through the right foot.

The angular expression using the 3-axis angular velocity sensor 102 calculates 20 data average values and calculates an angle by subtracting an average value from the measured values input through the sensor.

The angle expression using the 3-axis acceleration sensor 103 calculates 20 data average values and subtracts the data average value from the actually input values to calculate an angle.

The gait pattern is judged to be a walking on the saddle, a normal gait, and a saddle gait, and the degree is displayed on the screen.

FIG. 7 is a view showing one embodiment of a saddle walking and a saddle walking determined through a gait pattern analysis process, and displays footprint information on the screen for the user to understand easily.

That is, the three-axis acceleration sensor and the angular velocity sensor 102 (103) are used for footprint information. In general, a person is twisted by about 15 degrees to the outside, and the average of 20 data is more than 15 degrees If it is measured, it is judged as a stepping step.

The saddle stance is judged to be a saddle stance when the average value of 20 data is measured at an angle of 15 ㅀ or less outside.

In addition, the gait direction pattern is determined by analyzing the rotational direction and degree of the foot during the walking from the measurement values of the x and y axes of the three-axis angular velocity sensor during walking. In the case where the user's foot is walking while turning, And judge whether or not to walk straight.

That is, when the user rotates the foot more than the angle set to the inward side, it is determined that the user is walking in the inward rotation. If the value is within the set rotation angle range, it is determined that the user is walking on the straight line. It is determined that the person is walking on the outside

The overall gait pattern of the user is determined by referring to the gait pattern and the gait pattern analyzed in the above, and the user's shoes information is provided.

At this time, the shoe information confirms the information of the shoe currently being sold, and proposes shoes that match the user's walking pattern.

100: main board 101: pressure sensor
102: 3-axis acceleration sensor 103: 3-axis angular velocity sensor
111: input unit 112: amplification unit
113: Microcontroller 114: Wireless communication unit
120: terminal

Claims (4)

A plurality of pressure sensors provided on the bottom surface of both shoes worn by the user and analysis results of the respective measured values inputted from the three-axis acceleration sensor and the three-axis angular velocity sensor provided on both shoes or one foot to analyze the user's walking pattern A method for providing personalized shoe information through walking information analysis,
A first step of determining a walking condition according to a foot pressure degree and a distribution state from each foot pressure measurement value measured from a plurality of pressure sensors provided on both shoes;
A second step of measuring x, y and z axis variations of the three-axis acceleration sensor and the angular velocity sensor;
A third step of determining a walking pattern by analyzing footprint information of the user from the foot pressure information measured in the first and second steps and the amount of change of each axis;
A fourth step of obtaining x and y axis measurement values of the three-axis angular velocity sensor measured in the second process;
A fifth step of determining the rotational direction and degree of the foot during the gait through the x and y axis measurement values of the 3-axis angular velocity sensor measured in the fourth step;
A sixth step of analyzing the foot rotation pattern of the user using the footprint information of the user and the rotational direction and the rotational accuracy data analyzed through the third and fifth processes; And
And a seventh step of providing personalized shoe information on the basis of the swing pattern analyzed in the sixth step.
The method according to claim 1,
Further comprising the step of judging whether the foot pressure is measured or not based on the foot pressure degree and the distribution state from the foot pressure measured values measured from the plurality of pressure sensors measured in the first step, How to provide customized shoes information.
The method according to claim 1,
Wherein the step of determining whether the walking pattern is one of a walking, a normal, or a saddle walking in the third step, and determining the degree of each pattern is performed.
The method according to claim 1,
The method according to claim 1, wherein in the step (6), the foot-turning pattern is a step of determining an inward turning, an outward turning, or a straight walking pattern.

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