KR101724869B1 - System and apparatus for smart shoes using foot presure, manufacturing method thereof and method for controlling the same - Google Patents

System and apparatus for smart shoes using foot presure, manufacturing method thereof and method for controlling the same Download PDF

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KR101724869B1
KR101724869B1 KR1020150092094A KR20150092094A KR101724869B1 KR 101724869 B1 KR101724869 B1 KR 101724869B1 KR 1020150092094 A KR1020150092094 A KR 1020150092094A KR 20150092094 A KR20150092094 A KR 20150092094A KR 101724869 B1 KR101724869 B1 KR 101724869B1
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user
center
pressure
gravity
determination unit
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KR20170002742A (en
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김종호
박연규
김민석
최재혁
양태헌
우삼용
송한욱
이정태
강대임
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한국표준과학연구원
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A61B5/6807—Footwear
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B3/0005—
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/1405—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form
    • A43B7/1455—Footwear with health or hygienic arrangements with foot-supporting parts with pads or holes on one or more locations, or having an anatomical or curved form with special properties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/1036—Measuring load distribution, e.g. podologic studies
    • A61B5/1038—Measuring plantar pressure during gait
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1074—Foot measuring devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6898—Portable consumer electronic devices, e.g. music players, telephones, tablet computers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
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  • Heart & Thoracic Surgery (AREA)
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  • Oral & Maxillofacial Surgery (AREA)
  • Multimedia (AREA)
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  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The present invention relates to a smart shoe capable of precisely detecting a user's foot pressure distribution and providing various health contents related thereto. A portable terminal; And a smart shoe communicatively coupled to the portable terminal, wherein the smart shoe of the foot-operated smart shoe system according to an example of the present invention is disposed in the sole of the smart shoe, A plurality of tactile sensors for generating a sense signal corresponding to the intensity of the pressure when a pressure is applied by a user's foot; And a communication module for transmitting the sensing signal generated by the tactile sensor to the portable terminal, wherein the portable terminal comprises: a transceiver for receiving a sensing signal transmitted from the communication module; A determination unit for determining a position of the pressure and an intensity of the pressure using the sensing signal received by the transceiving unit; A memory for storing a position of the pressure detected by the determination unit and an intensity of the pressure; And a user input for receiving an input signal from the user, wherein the user input may receive an input signal from the user to select one of a first function and a second function associated with the operation of the smart shoe.

Description

TECHNICAL FIELD [0001] The present invention relates to a smart footwear system using foot pressure, a smart footwear using foot pressure, a manufacturing method thereof, and a control method thereof. [0002]

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a smart footwear using foot pressure, and more particularly, to a smart footwear capable of accurately detecting a foot pressure distribution of a user and providing various health contents related thereto.

In recent years, touch sensing technology is deeply embedded in our everyday life, providing convenience in various aspects and is getting a lot of attention as a core technology essential for everyday life. In general, such a touch sensing technology can be used in various electronic and communication devices such as a notebook computer, a personal digital assistant (PDA), a game machine, a smart phone, and navigation, and can be used to select or input functions desired by a user.

In this regard, Fig. 1 shows an embodiment of an LED-attached LED shoe with reference to the present invention. As shown in Fig. 1, LED shoes which are used as fashion items by attaching LEDs to the side of shoes are popular.

Conventional LED shoes can change the color of light emitted from the LEDs by turning on / off the LEDs using a switch, but there is a problem in that the degree of freedom of expression is small and it is insufficient for fashion items or safe walking.

In recent years, there has been an increase in demand for various contents related to health due to a surge of interest in health. However, in the case of conventional LED shoes, it is utilized as a simple content for measuring the number of steps of the user or calculating the calorie consumption There was a limit. Such conventional LED shoes do not provide much different functions from devices such as a pedometer, and thus, they do not attract consumers' echo.

Accordingly, development of a smart shoe capable of providing various contents considering the foot health of a user is required.

Korean Patent Publication No. 10-1522856 Korean Patent Publication No. 10-2014-0120748

SUMMARY OF THE INVENTION The present invention has been made to overcome the above-mentioned problems, and it is an object of the present invention to provide a smart shoe capable of precisely detecting a foot pressure distribution of a user and providing various health contents related thereto.

More particularly, the present invention relates to a smart shoe configured to accurately detect the foot pressure of a user by disposing a plurality of tactile sensors on the soles of a smart shoe and to transmit the sensed information to the portable terminal so that the user can efficiently monitor the foot pressure distribution And to provide it to the user.

In addition, the present invention provides a function of detecting a pressure applied to a predetermined region of interest among a user's foot region or a function of determining a center of gravity of a user during stopping or walking, thereby realizing monitoring The purpose of the present invention is to provide users with a smart shoe that can be used to determine foot health more precisely.

It is another object of the present invention to provide a smart shoe which is easy to grasp a user's walking habit, which can improve visibility by emitting light according to a pressure sensed by a tactile sensor.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are not intended to limit the invention to the precise form disclosed. It can be understood.

A portable terminal; And a smart shoe communicatively connected to the portable terminal, wherein the smart shoe of the smart shoe system using foot pressure related to one example of the present invention for realizing the above-mentioned problem is arranged in the sole of the smart shoe A plurality of tactile sensors for generating a sensing signal corresponding to the intensity of the pressure when pressure is applied by a user's foot of the smart shoe; And a communication module for transmitting the sensing signal generated by the tactile sensor to the portable terminal, wherein the portable terminal comprises: a transceiver for receiving a sensing signal transmitted from the communication module; A determination unit for determining a position of the pressure and an intensity of the pressure using the sensing signal received by the transceiving unit; A memory for storing a position of the pressure detected by the determination unit and an intensity of the pressure; And a user input for receiving an input signal from the user, wherein the user input may receive an input signal from the user to select one of a first function and a second function associated with the operation of the smart shoe.

The portable terminal may further include a display unit for displaying time information, wherein the display unit may display at least one of a position of the pressure and an intensity of the pressure detected by the determination unit.

Also, when an input signal for selecting the first function is received in the user input unit, the portable terminal requests the user to select a region of interest, which is a part of the foot area of the user.

When the user selects a region of interest in response to the selection request of the portable terminal, the determination unit selects a first tactile sensor disposed at a portion adjacent to the ROI and the ROI among the plurality of tactile sensors And a control unit for calculating a pressure applied to the first tactile sensor by using the sensing signal received by the transceiving unit, The intensity of pressure applied to the region of interest, and the intensity of the pressure applied to the region of interest, and the region of interest data is stored in the memory.

Also, the display unit displays the number of times of the pressure applied to the ROI, and the intensity of the pressure applied to the ROI.

When the input signal for selecting the second function is received in the user input unit, the determination unit compares pressures applied by both feet of the user to determine whether the user is stationary or the user is walking have.

If it is determined that the user is stopping when it is determined that a predetermined pressure is applied to both feet of the user and the control unit determines that at least one of the feet of the user is not pressed, It can be judged that the user is walking.

When it is determined that the user is stopped, the determination unit divides the foot area of the user into a plurality of partial areas, divides the plurality of tactile sensors so as to correspond to the positions of the divided partial areas, Calculating a center of gravity for each of the plurality of partial regions by calculating the intensity of the pressure applied to each of the plurality of divided tactile sensors by using the sensing signal received by the transmitting and receiving unit to generate first center of gravity data , The first center of gravity data is stored in the memory.

In addition, the plurality of partial regions may include a forefoot portion, a middle portion, and a hind part.

The plurality of partial regions divided by the determination unit may be determined according to an input signal for selecting the plurality of partial regions received from the user by the user input unit.

In addition, the memory stores predetermined first center-of-gravity reference data representing a desired center of gravity for each of the plurality of partial regions in a stationary state.

Also, the display unit displays together the center of gravity of each of the plurality of partial regions calculated by the determination unit and the first center-of-gravity reference data stored in the memory.

When the first center-of-gravity reference data is compared with the first center-of-gravity data and the difference is determined to exceed a predetermined first threshold value, the determining unit may determine that the predetermined center- The mobile terminal can be controlled.

In addition, the determination unit stores the center of gravity calculated for the left foot of the user in the memory in correspondence with the center of gravity calculated for the right foot of the user, and the display unit displays the center of gravity of both feet of the user Together.

If it is determined that the difference between the position of the center of gravity calculated for the left foot of the user and the position of the center of gravity calculated for the right foot of the user exceeds the predetermined symmetric reference value, It is possible to control the portable terminal to output a predetermined alarm signal for recognizing the user.

In addition, when it is determined that the user is walking, the determination unit generates second center-of-gravity data by calculating a center of gravity of the foot area of the user using the sensing signal received by the transmission / reception unit, The center of gravity data is stored in the memory.

The memory stores preset second center-of-weight reference data indicating a desired center of gravity in a walking state.

In addition, the display unit may display the second center-of-gravity data calculated by the determination unit and the second center-of-weight reference data stored in the memory together.

In addition, when the second center of gravity reference data is compared with the second center of gravity data and the difference is determined to exceed a predetermined second threshold value, the determination unit may determine that the predetermined alarm signal The mobile terminal can be controlled.

In addition, the determination unit stores the center of gravity calculated for the left foot of the user in the memory in correspondence with the center of gravity calculated for the right foot of the user, and the display unit displays the center of gravity of both feet of the user Together.

If it is determined that the difference between the position of the center of gravity calculated for the left foot of the user and the position of the center of gravity calculated for the right foot of the user exceeds the predetermined symmetric reference value, It is possible to control the portable terminal to output a predetermined alarm signal for recognizing the user.

In addition, the tactile sensor senses an impact force applied to the lower side of the smart shoe while the user is walking, and the determination unit applies the impact force sensed by the tactile sensor to the user's ankle or knee area Impact force and impact moment can be measured.

In addition, in the operation of the back side of the smart shoe facing the ground, the impact force applied to the user's ankle area or the knee area is measured according to the following equation (1), and the impact moment applied to the user's knee area is (2) "

Equation  One

Figure 112015062736699-pat00001

In the above equation (1)

Figure 112015062736699-pat00002
Is an impact force applied to the rear surface of the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00003
Is an angle between the calf area of the user and a line perpendicular to the ground.

Equation  2

Figure 112015062736699-pat00004

In Equation (2)

Figure 112015062736699-pat00005
A point at which the knee portion of the user is projected onto the paper surface,
Figure 112015062736699-pat00006
Is the distance between the applied points.

In addition, in the operation in which the front and rear surfaces of the smart shoe contact the ground, the impact force applied to the ankle area or the knee area of the user is measured according to the following equation (3) The impact moment to be lost is measured according to the following expression (4).

Equation  3

Figure 112015062736699-pat00007

In Equation (3)

Figure 112015062736699-pat00008
Is an impact force applied to the smart shoe detected by the tactile sensor.

Equation  4

Figure 112015062736699-pat00009

In Equation (4)

Figure 112015062736699-pat00010
Is an impact force applied to the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00011
Is a distance between a point where the ankle portion of the user is projected on the ground and a point where the impact force is applied.

In addition, in the operation in which the front surface of the smart shoe is placed on the ground, the impact force applied to the user's ankle area or knee area is measured according to Equation (5), and the impact moment applied to the user's ankle area is And the impact moment applied to the knee region of the user is measured according to the following equation (7). &Quot; (7) "

Equation  5

Figure 112015062736699-pat00012

In Equation (5)

Figure 112015062736699-pat00013
Is an impact force applied to the front surface of the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00014
Is an angle between the calf area of the user and a line perpendicular to the ground.

Equation  6

Figure 112015062736699-pat00015

In Equation (6)

Figure 112015062736699-pat00016
Is an impact force applied to the front surface of the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00017
Is a distance between a point where the ankle portion of the user is projected on the ground and a point where the impact force is applied.

Equation  7

Figure 112015062736699-pat00018

In Equation (6)

Figure 112015062736699-pat00019
Is a distance between a point where the ankle portion of the user is projected on the ground and a point where the impact force is applied.

The smart shoe may include a feedback module installed in the smart shoe to generate a predetermined output; And a control module for controlling the feedback module, wherein the determination unit generates a control signal using the sensing signal received by the transmitting and receiving unit, and the transmitting and receiving unit transmits the control signal generated by the determining unit to the communication Module, and the control module can control the feedback module based on the control signal transmitted to the communication module.

Further, the feedback module may further include an LED module that irradiates light to the outside, wherein the determination unit determines the light emitted from the LED module according to the position of the pressure detected by the determination unit and the intensity of the pressure, Can be controlled so as to be controlled.

Further, the feedback module may further include an actuator for outputting a vibration, wherein the determination unit determines that the vibration output from the actuator is controlled based on the position of the pressure detected by the determination unit and the intensity of the pressure, A control signal can be generated.

Meanwhile, in a smart shoe communicatively connected to a portable terminal, the smart shoe using foot pressure related to an example of the present invention for realizing the above-mentioned problem is disposed in the sole of the smart shoe, A plurality of tactile sensors for generating a sensing signal corresponding to the intensity of the pressure when pressure is applied by the feet; And a communication module for transmitting the sensing signal generated by the tactile sensor to the portable terminal, wherein the portable terminal receives the sensing signal transmitted from the communication module using the transmission / reception unit, The position of the pressure and the intensity of the pressure detected by the determination unit are stored in the memory, and the portable terminal receives the position of the pressure from the user And a user input unit for receiving an input signal for selecting one of a first function and a second function related to the operation of the smart shoe.

Also, the portable terminal may display at least one of the position of the pressure and the pressure of the pressure detected by the determination unit through a display unit that displays time information.

Also, when an input signal for selecting the first function is received in the user input unit, the portable terminal requests the user to select a region of interest, which is a part of the foot area of the user.

Meanwhile, in a mobile terminal communicatively connected to a smart shoe, a portable terminal related to an example of the present invention for realizing the above-mentioned problems includes a transceiver for receiving a sensing signal; A determination unit for determining a position of a pressure applied by the user's foot of the smart shoe and an intensity of the pressure using the sensing signal received by the transceiver unit; A memory for storing a position of the pressure detected by the determination unit and an intensity of the pressure; And a user input unit for receiving an input signal from the user, wherein a plurality of tactile sensors are disposed in the sole of the smart shoe to generate the sensing signal corresponding to the intensity of the pressure, The signal is transmitted to the transceiver through a communication module and the user input may receive an input signal from the user to select one of a first function and a second function related to the operation of the smart shoe.

The display unit may further include at least one of a position of the pressure detected by the determination unit and an intensity of the pressure detected by the determination unit.

The control method according to an embodiment of the present invention for realizing the above-mentioned problem in a method of controlling a smart shoe communicatively connected to a portable terminal comprises the steps of: The pressure being applied to the tactile sensor disposed on the tactile sensor; Generating a sensing signal corresponding to a position of the pressure and an intensity of the pressure; And transmitting the sensed signal generated by the tactile sensor to the portable terminal, wherein the portable terminal receives the sensing signal transmitted from the communication module using the transceiving unit, The position of the pressure and the intensity of the pressure detected by the determination unit are stored in the memory. And a user input unit for receiving an input signal for selecting one of a first function and a second function related to the operation of the smart shoe from a user.

A control method related to an example of the present invention for realizing the above-mentioned problem in a method of controlling a mobile terminal communicatively connected to a smart shoe, includes the steps of: receiving / transmitting a sensing signal transmitted from a communication module of the smart shoe ; A second step of determining a position of a pressure applied by a user's foot of the smart shoe and an intensity of the pressure using a sensing signal received by the transmitter / receiver; And a third step of receiving an input signal for selecting one of a first function and a second function related to the operation of the smart shoe from the user at a user input part. In the second step, Wherein a position of the pressure and an intensity of the pressure are stored in a memory, and a plurality of tactile sensors are disposed in a sole of the smart shoe to generate the sensing signal corresponding to the intensity of the pressure, The signal is transmitted to the transceiver through the communication module.

The present invention provides a program tangibly embodying instructions that can be executed by a digital processing apparatus to perform a method of controlling smart shoes communicatively connected to a portable terminal, The control method comprising the steps of: applying pressure to a tactile sensor disposed on the sole of the smart shoe by a user's foot of the smart shoe; Generating a sensing signal corresponding to a position of the pressure and an intensity of the pressure; And transmitting the sensed signal generated by the tactile sensor to the portable terminal, wherein the portable terminal receives the sensing signal transmitted from the communication module using the transceiving unit, The position of the pressure and the intensity of the pressure detected by the determination unit are stored in the memory. And a user input unit for receiving an input signal for selecting one of a first function and a second function related to the operation of the smart shoe from a user.

The present invention relates to a program for tangibly embodying a command that can be executed by a digital processing apparatus to perform a method of controlling a mobile terminal communicatively connected to a smart shoe, The control method includes a first step in which a transmitting / receiving unit receives a sensing signal transmitted from a communication module of the smart shoe; A second step of determining a position of a pressure applied by a user's foot of the smart shoe and an intensity of the pressure using a sensing signal received by the transmitter / receiver; And a third step of receiving an input signal for selecting one of a first function and a second function related to the operation of the smart shoe from the user at a user input part. In the second step, Wherein a position of the pressure and an intensity of the pressure are stored in a memory, and a plurality of tactile sensors are disposed in a sole of the smart shoe to generate the sensing signal corresponding to the intensity of the pressure, The signal may be transmitted to the transceiver through the communication module.

Meanwhile, the tactile sensor may include a plurality of tactile sensor modules, each of the plurality of tactile sensor modules may include a sensor upper layer having a concave portion formed on a lower surface thereof; A sensor part inserted into the concave part and sensing the pressure; And a sensor lower layer attached to a bottom surface of the sensor upper layer.

The plurality of tactile sensor modules may further include a sensor intermediate layer located on the bottom surface of the sensor portion to seal the recessed portion.

The lower surface of the sensor lower layer may include a load supporting portion convexly formed corresponding to the position of the sensor portion.

Also, the tactile sensor may include: a plurality of sense resistors for inducing a change in resistance value according to the pressure; And a plurality of intermediate resistors each disposed between the plurality of sense resistors, wherein a resistance value of the first sense resistor, which is at least a part of the plurality of sense resistors, is changed by the pressure, May be formed corresponding to the resistance value change of the first sense resistor.

The tactile sensor further includes: a first electrode in contact with an upper portion of the plurality of sense resistors; And a second electrode disposed apart from the first electrode and in contact with a lower portion of the plurality of sense resistors, wherein the plurality of intermediate resistors are disposed on the second electrode, .

The sensing signal includes a first electrical signal corresponding to the position of the pressure and a second electrical signal corresponding to the pressure.

In addition, when an input signal is applied to one end of the second electrode, the other end of the second electrode is connected to a ground, and the other end of the first electrode is opened, .

Further, the first electrical signal is determined according to the following equation.

Equation

Figure 112015062736699-pat00020

In the above equation,

Figure 112015062736699-pat00021
Is an electric signal corresponding to the position of the touch,
Figure 112015062736699-pat00022
Is the input signal,
Figure 112015062736699-pat00023
Is a resistance value between one end of the second electrode and the position where the touch is applied,
Figure 112015062736699-pat00024
Is a resistance value between a position where the touch is applied and the other end of the second electrode.

In addition, when an input signal is applied to one end of the second electrode, one end of the first electrode is open, and the other end of the first electrode is connected to the ground, 2 < / RTI >

Further, the second electrical signal is determined according to the following equation.

Equation

Figure 112015062736699-pat00025

In the above equation,

Figure 112015062736699-pat00026
Is an electric signal corresponding to the intensity of the touch,
Figure 112015062736699-pat00027
Is the input signal,
Figure 112015062736699-pat00028
Is a resistance value between one end of the second electrode and the position where the touch is applied,
Figure 112015062736699-pat00029
Is a resistance value of the sensing resistor at the position where the touch is applied.

The present invention can provide a smart shoe to a user that can accurately detect the foot pressure distribution of a user and provide various health contents related thereto.

More particularly, the present invention relates to a smart shoe configured to accurately detect the foot pressure of a user by disposing a plurality of tactile sensors on the soles of a smart shoe and to transmit the sensed information to the portable terminal so that the user can efficiently monitor the foot pressure distribution Can be provided to the user.

In addition, the present invention provides a function of detecting a pressure applied to a predetermined region of interest among a user's foot region or a function of determining a center of gravity of a user during stopping or walking, thereby realizing monitoring And can provide users with smart shoes that can judge foot health more accurately.

In addition, the present invention can improve visibility by emitting light according to the pressure sensed by the tactile sensor, and can provide a user with a smart shoe that is easy to grasp the user's walking habits.

It should be understood, however, that the effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those skilled in the art to which the present invention belongs It will be possible.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate a preferred embodiment of the invention and, together with the description, serve to provide a further understanding of the technical idea of the invention, It should not be construed as limited.
Fig. 1 shows an embodiment of an LED-equipped LED shoe according to the present invention.
2 schematically shows an embodiment of a smart footwear system using foot pressure that can be implemented according to the present invention.
Fig. 3 shows the structure of sole that can be applied to smart shoes according to the present invention.
4 is a block diagram of a smart shoe that can be applied to the present invention.
5A and 5B show a tactile sensor that can be applied to the smart shoe of the present invention.
6A and 6B show an example of the structure of a tactile sensor which can be applied to the smart shoe of the present invention.
7A and 7B show another example of the structure of a tactile sensor that can be applied to the smart shoe of the present invention.
8 is a block diagram of a mobile terminal that can be applied to the present invention.
9 is a flowchart showing an example of a method of controlling the smart shoe of the present invention.
10 is a flowchart showing an example of a method of controlling the portable terminal of the present invention.
11 is an embodiment of an application implemented in a portable terminal according to the present invention.
Figure 12 shows a position diagram of the foot reflex points associated with the first function of the smart shoe of the present invention.
13 is a flowchart showing the first function of the smart shoe of the present invention.
14A to 14C show an embodiment of the first function of the smart shoe of the present invention.
15A to 15C are flowcharts illustrating a second function of the smart shoe of the present invention.
16A and 16B show one embodiment of the second function of the smart shoe of the present invention.
17A to 17C are models for calculating the load loads on the ankle and knee regions according to the present invention.

Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. In addition, the embodiment described below does not unduly limit the contents of the present invention described in the claims, and the entire configuration described in this embodiment is not necessarily essential as the solution means of the present invention.

The same reference numerals are used for portions having similar functions and functions throughout the drawings. Throughout the specification, when a part is referred to as being "connected" to another part, it is not limited to a case where it is directly connected to the other part, do. Also, to include an element does not exclude other elements unless specifically stated otherwise, but may also include other elements.

<Configuration>

Hereinafter, the structure of a smart shoe system using foot pressure to be proposed by the present invention will be described in detail with reference to the drawings.

2 schematically shows an embodiment of a smart footwear system using foot pressure that can be implemented according to the present invention. As shown in FIG. 2, the smart footwear system using the foot pressure of the present invention can be largely composed of the smart shoe 100 and the portable terminal 200. The mobile terminal 200 may include a mobile phone, a smart phone, a laptop, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a navigation device, a smart watch,

The configuration of the smart shoe 100 and the portable terminal 200 constituting the smart shoe system using the foot pressure will be described in detail.

FIG. 3 shows a structure of a sole that can be applied to smart shoes according to the present invention, and FIG. 4 shows a block diagram of a smart shoe that can be applied to the present invention.

As shown in FIG. 3, generally, the sole of the shoe includes an insole (insole, insole) 10, a midsole 20, a midsole 20, and an outsole 30, ). However, children's shoes may not include midsole.

4, the smart shoe 100 may include a tactile sensor 110, a plurality of LED modules 40, a control module 40, a communication module 60, an actuator 70, and the like. However, the components shown in Fig. 4 are not essential, so that the smart shoe 100 having components having more components or fewer components may be implemented.

The tactile sensor 110 is disposed on the lower surface of the insole 10, and is composed of a plurality of tactile sensors. The tactile sensor 110 senses the pressure applied by the foot of the user of the smart shoe 100 and generates a sensing signal corresponding to the position or pressure of the applied pressure.

The tactile sensor 110 may be integrally attached to the insole 10 but may be removable from the insole 10 for cleaning the insole 10.

In order to manufacture such a tactile sensor 110, a sensor part of the tactile sensor 110 may be inserted into a metal mold and filled with a liquid polymer or the like to cure it.

However, the sensor portion of the tactile sensor 110 is a very sensitive sensor, and if the sensor is manufactured in the above-described manner, there is a great risk that errors occur in the sensor. Accordingly, in the present invention, the tactile sensor 110 can be manufactured by including a plurality of tactile sensor modules as follows.

5A and 5B show a tactile sensor that can be applied to the smart shoe of the present invention. 5A is a cross-sectional view of the tactile sensor 110, and FIG. 5B is an exploded cross-sectional view of the tactile sensor 110. FIG.

5A and 5B, the tactile sensor 110 may include a sensor upper layer 111, a sensor unit 112, a sensor intermediate layer 113, and a sensor lower layer 114.

First, the sensor upper layer 111 directly contacts the lower surface of the insole 10, and receives the pressure applied by the user's foot through the insole 10. In addition, a recess 111a may be formed on the lower surface of the sensor upper layer 111, and a plurality of recesses 111a may be formed at predetermined intervals as shown in FIGS. 5A and 5B.

The sensor unit 112 is a key component of the tactile sensor 110. The sensor unit 112 senses the pressure and generates an output signal with respect to the intensity and position of the pressure. And can be inserted into the concave portion 111a. A plurality of sensor units 112 may also be provided.

Next, the sensor middle layer 113 is positioned on the bottom surface of the sensor unit 112 inserted in the recess 111a to seal the recess 111a.

If the sensor unit 112 is exposed to water or an adhesive is applied to the tactile sensor module 110 when manufacturing the tactile sensor module 110, there is a high probability that an error occurs in the pressure measurement. In order to prevent the occurrence of such an error, the sensor unit 112 is inserted into the concave portion and then the concave portion is sealed using the sensor intermediate layer 113. However, the tactile sensor 110 may not include the sensor intermediate layer 113, and may include only the sensor upper layer 111, the sensor unit 112, and the sensor lower layer 114.

Particularly, in the case of the tactile sensor module having an array structure, since there are many sensor portions 112, if the sensor middle layer 113 is used, the defective rate can be remarkably lowered when the tactile sensor is manufactured.

Next, the sensor lower layer 114 is attached to the lower surface of the sensor upper layer 111 and the lower surface of the sensor middle layer 113 to close the tactile sensor 110. The sensor portion 112 is secure because the recess 111a is sealed by the sensor intermediate layer 113 even when a liquid adhesive such as a bond is used to attach the sensor lower layer 114. [

The load supporting portion 114a may be formed under the sensor lower portion 114. The load supporting portion 114a may be formed below the sensor portion 112. When the pressure is applied, (112).

Meanwhile, in order to connect the plurality of tactile sensor modules to the control unit, complicated wiring is performed in order to transmit the signals output from the respective modules to the control unit. When using an N * N array tactile sensor module, at least 2N output signal transmission lines are required. When there are a plurality of tactile sensor modules, there is a problem that a large number of output signal transmission lines are provided, which is very complicated.

In order to solve such a problem, the following tactile sensor 110 can be used.

6A and 6B show an example of the structure of a tactile sensor which can be applied to the smart shoe of the present invention.

6A, the tactile sensor 110 of the smart shoe 100 of the present invention may further include a sense resistor 121, an intermediate resistor 124, electrodes 122 and 123, and the like.

The electrode includes a first electrode 122 disposed at an upper portion and a second electrode 123 disposed at a lower portion. The first electrode 122 and the second electrode 123 are vertically spaced apart from each other and both ends of the electrodes 122 and 123 are connected to external terminals through four terminals formed on the control module 50 .

The first electrode 122 and the second electrode 123 may be made of copper (Cu) or silver (Ag). The first electrode 122 and the second electrode 123 are formed of a transparent material such as indium tin oxide (ITO), carbon nanotube (CNT), graphene, metal nanowire, (PEDOT, Poly (3,4-ethylenedioxythiophene)) or a transparent conductive oxide (TCO).

The sense resistor 121 is a device capable of inducing a resistance value change according to a touch, and a plurality of the sense resistor 121 are mounted. The sense resistor 121 is disposed between the first electrode 122 and the second electrode 123. That is, the upper portion of the sensing resistor 121 is in contact with the first electrode 122, and the lower portion of the sensing resistor 121 is in contact with the second electrode 123.

A plurality of intermediate resistors 124 are provided, and each of the plurality of intermediate resistors 124 is disposed between the plurality of sense resistors 121. The intermediate resistor 124 is disposed on one of the first electrode 122 and the second electrode 123.

6A shows a structure in which the intermediate resistor 124 is disposed on the second electrode 123. However, the arrangement of the intermediate resistor 124 is not limited to this, and the first electrode 122 As shown in FIG. Although the structure in which the intermediate resistor 124 is disposed on the second electrode 123 will be described for convenience of explanation, the structure in which the intermediate resistor 124 is disposed on the first electrode 122 is the same .

Reference is made to FIG. 6B to describe a method of measuring the position and pressure of a pressure in the first embodiment of the smart switch 100 having the above-described structure. 6B, the sense resistor 121 can be modeled as a variable resistor, and the intermediate resistor 124 can be modeled as a resistor disposed on the second electrode 123. The resistance value of the variable resistor is changed according to the touch of the sense resistor 121 and the sense resistor 121 of the portion without the touch has a very large resistance value (100 k? Or more).

The control module 50 applies an input signal V in to one end (terminal B) of the second electrode for sensing the pressure, and thus a sensing signal is generated in the tactile sensor 110.

Here, it is assumed that a touch is applied to the position of the sense resistor 121 described as RS k , and the position and intensity of the pressure are measured.

In order to measure the position of the pressure, the control module 50 connects the ground to the other end (D terminal) of the second electrode 123 and opens the other end (C terminal) of the first electrode 122. At this time, an electric signal formed at one end (A terminal) of the first electrode 122 can be expressed by the following Equation (1).

Figure 112015062736699-pat00030

Since the resistance value of the sense resistor 121 is a predetermined value, the position where the pressure is applied can be known by using the electrical signal of Equation (1).

In order to measure the pressure, the control module 50 opens one end (terminal A) of the first electrode 122 and connects the other end (terminal C) of the first electrode 122 to the ground. At this time, an electric signal formed at the other end (D terminal) of the second electrode 123 can be expressed by the following equation (2).

Figure 112015062736699-pat00031

Since the resistance value of the sensing resistor 121 described as RS k is changed according to the intensity of the pressure, the intensity of the applied pressure can be determined using the electric signal of Equation (2).

7A and 7B show another example of the structure of the tactile sensor which can be applied to the smart shoe of the present invention.

In the embodiments of FIGS. 7A and 7B, the electrodes 122 and 123 and the sense resistor 121 may have the same configurations as those of FIGS. 6A and 6B. However, in the embodiment of Figs. 7A and 7B, there are significant differences in that the intermediate resistors 124 and 125 are composed of two types. This difference is to improve the accuracy of the measurement of the strength of the touch.

In FIG. 7A, the sense resistor 121 is a device capable of inducing a resistance value change according to a touch, and a plurality of the sense resistor 121 are mounted. The sense resistor 121 is disposed between the first electrode 122 and the second electrode 123.

The intermediate resistor may be disposed between the plurality of sense resistors 121 and may include a plurality of first intermediate resistors 125 and a plurality of second intermediate resistors 126. The first intermediate resistor 125 is disposed on the first electrode 122 to provide a resistance value to the first electrode 122 and the second intermediate resistor 126 is disposed on the second electrode 123, Lt; RTI ID = 0.0 &gt; 123 &lt; / RTI &gt;

Preferably, a plurality of first intermediate resistors 125 are provided, and each of them has a resistance value of R. [ In addition, N second intermediate resistors 126 are provided, and each of them has a resistance value of R. [

Reference is made to Fig. 7B to describe a method of measuring the position and pressure of the pressure in the second embodiment of the smart switch 100 having the above-described structure.

7B, the sense resistor 121 can be modeled as a variable resistor, and the first intermediate resistor 125 can be modeled as a resistor disposed on the first electrode 122, and the second intermediate resistor 126 May be modeled as a resistor disposed on the second electrode 123. [ The resistance value of the variable resistor is changed according to the pressure of the sensing resistor 121, and the sensing resistor 121 of the non-touch portion has a very large resistance value (100 k? Or more).

The control module 50 applies an input signal V in to one end (terminal B) of the second electrode 123 in order to measure the pressure, so that a sensing signal is generated in the tactile sensor 110.

Here, it is assumed that a touch is applied to the position of the sense resistor 121 described as RS k , and the position and intensity of the pressure are measured.

In order to measure the position of the pressure, the control module 50 connects the ground to the other end (D terminal) of the second electrode 123 and opens the other end (C terminal) of the first electrode 122. At this time, an electric signal formed at one end (A terminal) of the first electrode 122 can be expressed as Equation (3).

Figure 112015062736699-pat00032

Since the resistance value of the sense resistor 121 is a preset value, the position where the pressure is applied can be measured using the electric signal of Equation (3).

In order to measure the intensity of the pressure, a first electrical signal and a second electrical signal are generated and generate a differential signal related to the difference between the first electrical signal and the second electrical signal, .

The control module 50 connects the other terminal (C terminal) of the first electrode 122 to the ground and the other terminal (terminal A) of the first electrode 122 in order to form a first electrical signal in the tactile sensor 110. [ ). At this time, the first electrical signal formed at the other end (D terminal) of the second electrode 123 can be expressed as Equation (4).

Figure 112015062736699-pat00033

The control module 50 connects the other end (C terminal) of the first electrode 122 to the ground and the other end (the D terminal of the second electrode 123) of the second electrode 123 in order to form a second electric signal on the tactile sensor 110. [ ). At this time, the second electrical signal formed at one end (A terminal) of the first electrode 122 can be expressed as Equation (5).

Figure 112015062736699-pat00034

The control module 50 senses the first electrical signal of Equation (4) and the second electrical signal of Equation (5). The control module 50 generates a difference signal by using the difference between the first electrical signal and the second electrical signal, and each of the plurality of first intermediate resistors 125 and the plurality of second intermediate resistors 126 R, the difference signal is represented by the following equation (6).

Figure 112015062736699-pat00035

Using the differential signal of Equation (6), the intensity of the pressure can be measured. Since the differential signal of Equation 6 is constructed independently of the pressure position measurement, in Practical Example 2, more accurate intensity measurement is possible than in Practical Example 1. [

Referring again to FIG. 4, the LED module 40 is an element that emits light when electrons and holes meet at a P-N junction (P-N junction) by the application of a current. The LED module 40 can emit light of RGB colors and the light output under the control of the control module 50 can be controlled. The control module 50 can control the intensity of light irradiated from the LED module 40, the color of the light, the light emission pattern, and the like based on the control signal.

The control module 50 may comprise a module for sensing the pressure and a module for controlling the output of the LED module 40. The control module 50 is connected to four wirings connected to the tactile sensor 110.

The actuator 70 is an element that outputs vibration, and the vibration output under the control of the control module 50 can be controlled. The control module 50 can flexibly control the intensity of the vibration output from the actuator 70, the pattern of the vibration, the interval between neighboring vibrations, etc. based on the control signal.

FIG. 8 is a block diagram of a mobile terminal that can be applied to the present invention. 8, the portable terminal 200 according to the present invention includes a transmitting / receiving unit 202, a memory 204, a user input unit 206, a sensing unit 208, a determination unit 210, An interface unit 212, an interface unit 222, and the like.

The transceiver 202 may include one or more modules for enabling wireless communication between the portable terminal 200 and the wireless communication system or between the portable terminal 200 and the network in which the portable terminal 200 is located. For example, the transceiving unit 202 may include at least one of a broadcast receiving module for receiving a broadcast signal and / or broadcast-related information from an external broadcast management server through a broadcast channel, a base station, an external terminal, A wireless Internet module for wireless Internet access, a short distance communication module for short distance communication, and a location information module (e.g., GPS module) for acquiring the location of the mobile terminal 200 can do.

The transceiver unit 202 communicatively connects the portable terminal 200 and the smart shoe 100 using short-range communication or wireless Internet communication. The local area communication uses WLAN (Wireless LAN), Bluetooth, RFID, and infrared communication. The wireless Internet communication uses CDMA, W-CDMA, HSDPA, OFDMA, Wibro, Wimax and LTE.

The memory 204 may store a program for processing and controlling the determination unit 210 and may store data to be input / output (e.g., a telephone directory, a message, audio, a still image, an electronic book, Message history, and the like). The memory 204 may also store the frequency of use of each of the data (for example, each telephone number, each message, and frequency of use for each multimedia). In addition, the memory 210 may store data on vibration and sound of various patterns output when a touch is input on the touch screen.

Particularly, the memory 210 stores the first center-of-gravity data, the second center-of-gravity data, the first center-of-gravity reference data, and the second center-of-gravity data according to the second function of the present invention, Reference data, and the like.

The memory 210 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory, etc.) ), A random access memory (RAM), a static random access memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read- A magnetic disk, an optical disk, a memory, a magnetic disk, or an optical disk. The portable terminal 200 may operate in association with a web storage that performs a storage function of the memory 210 on the Internet.

The user input unit 206 generates input data for controlling the operation of the mobile terminal 200 by the user.

The user input unit 206 may receive from the user a signal designating two or more contents of the displayed contents according to the present invention. A signal for designating two or more contents may be received via the touch input, or may be received via the hard key and soft key input.

The user input unit 206 may receive an input from the user to select the one or more contents. In addition, an input for generating an icon related to a function that the portable terminal 200 can perform can be received from the user.

The user input unit 206 may include a directional keypad, a keypad, a dome switch, a touchpad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 208 senses the position of the portable terminal 200 such as the opening and closing state of the portable terminal 200, the position of the portable terminal 200, the presence of the user, the orientation of the portable terminal 200, And generates a sensing signal for controlling the operation of the portable terminal 200.

For example, when the portable terminal 200 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the battery is powered on, whether the interface unit 222 is coupled to an external device, and the like.

The sensing unit 208 may include a proximity sensor. The proximity sensor 141 is operated in association with the touch screen.

The determination unit 210 typically controls the overall operation of the mobile terminal 200. For example, it performs related controls and processing for voice calls, data communications, video calls, and the like. The determination unit 210 may include a multimedia module for multimedia playback. The multimedia module may be implemented in the determination unit 210 or may be implemented separately from the determination unit 210.

The determination unit 210 generates a control signal for controlling the smart shoe 200. The control signal generated by the determination unit 210 may be transmitted to the smart shoe 200 through the transceiver 202.

The output unit 212 may include a display unit 214, an acoustic output module 216, a haptic module 218, an alarm unit 220, and the like in order to generate output related to visual, auditory, have.

The display unit 214 displays (outputs) information processed in the mobile terminal 200. [ For example, when the mobile terminal 200 is in the call mode, a UI (User Interface) or GUI (Graphic User Interface) associated with the call is displayed. When the mobile terminal 200 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

The position and pressure of the pressure detected by the tactile sensor 110 may be displayed on the display unit 214. In addition, the display unit 214 may display the number of times of pressure applied to the region of interest or the intensity of the pressure. In addition, the display unit 214 may display items related to the center of gravity of the user.

The audio output module 216 may output audio data received from the transmission / reception unit 202 or stored in the memory 204 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 216 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, and the like) performed in the portable terminal 200. The sound output module 216 may include a receiver, a speaker, a buzzer, and the like.

The haptic module 218 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 218 is vibration. The intensity and pattern of the vibration generated by the tactile module 218 are controllable. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 218 may be configured to perform various functions such as a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The alarm unit 220 outputs a signal for notifying the occurrence of an event of the portable terminal 200. Examples of events generated in the mobile terminal 200 include call signal reception, message reception, key signal input, touch input, and the like.

In addition, examples of the event occurring in the portable terminal 200 include a case where the difference between the first center-of-gravity reference data and the first center-of-gravity data exceeds a predetermined first threshold value or the second center-of-gravity reference data and the second center- May exceed the predetermined second threshold value.

An example of an event generated in the portable terminal 200 is that the difference between the position of the center of gravity calculated for the left foot of the user and the position of the center of gravity calculated for the right foot of the user exceeds the predetermined symmetry reference value .

The alarm unit 220 may output a signal for informing occurrence of an event in a form other than a video signal or an audio signal, for example, a vibration. The display unit 214 and the audio output module 216 may be a kind of the alarm unit 220 because the video signal or the audio signal can be output through the display unit 214 or the audio output module 216. In this case, .

The interface unit 222 serves as a path for communication with all external devices connected to the portable terminal 00. The interface unit 222 receives data from an external device or receives power from the external device and transmits the data to each component in the portable terminal 200 or allows data in the portable terminal 200 to be transmitted to an external device.

For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 222.

The identification module is a chip for storing various information for authenticating the usage right of the mobile terminal 200 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A Universal Subscriber Identity Module (USIM), and the like. The device (identification device) provided with the identification module can be manufactured in a smart card format. Therefore, the identification device can be connected to the terminal 200 through the port.

When the portable terminal 1100 is connected to an external cradle, the interface unit 222 may be a path through which the power from the cradle is supplied to the portable terminal 200, A signal may be transmitted to the mobile terminal 200. The various command signals or power from the cradle may be operated as a signal for recognizing that the portable terminal 200 is correctly mounted on the cradle.

<Operation>

Hereinafter, the operation of the smart footwear using the foot pressure to be proposed by the present invention will be described in detail with reference to the drawings.

FIG. 9 is a flowchart showing an example of a method for controlling smart shoes of the present invention, and FIG. 10 is a flowchart showing an example of a method for controlling the portable terminal of the present invention.

9, a predetermined pressure is applied to the tactile sensor 110 disposed at the bottom of the smart shoe 100 by the user's foot of the smart shoe 100 (S10), and the tactile sensor 110 A sensing signal corresponding to the position of the pressure and the intensity of the pressure is generated (S12).

Then, the communication module 60 transmits the sensing signal generated by the tactile sensor 110 to the portable terminal 200 (S14).

In the mobile terminal 200, the operation proceeds according to the flowchart shown in Fig.

The transceiver 202 of the portable terminal 200 receives the sensing signal transmitted from the communication module 60 of the smart shoe 100 and the determination unit 210 of the portable terminal 200 transmits the sensed signal to the transmitter / 202 using the received sensing signal (S22).

The determination unit 210 can determine the intensity of the pressure or the position of the pressure using the sensing signal received by the transmission / reception unit 202. The determination unit 210 generates a control signal based on the detected position of the pressure and the intensity of the pressure.

The transceiver unit 202 of the portable terminal 200 transmits the control signal generated by the determination unit 210 to the communication module 60 of the smart shoe 100 (S24).

The communication module 60 of the smart shoe 100 receives a control signal from the transceiver 202 and the control module 50 controls the LED module 40 mounted on the smart shoe 100 based on the control signal. And the actuator 70 (S16). The intensity and pattern of the output of the LED module 40 and the actuator 70 are controlled by the control signal.

11 is an embodiment of an application implemented in a portable terminal according to the present invention. As shown in FIG. 11, a display state of the user's foot is displayed on the display unit 214 of the portable terminal 200. For example, the position and pressure information of the pressure detected by the determination unit 210 may be displayed on the display unit 214.

The display unit 214 may display an icon for selecting whether the LED module 40 is driven or a predetermined mode (first function, second function, etc.) related to the function of the smart shoe 100. [ The user can select the first function or the second function using the mode icon.

The first function is a mode for evaluating how much the pressure of the user's foot is applied. In this regard, Figure 12 shows a position diagram of the foot reflex point associated with the first function of the smart shoe of the present invention. As shown in FIG. 12, the foot is closely related to the health of the user, and it is an important issue to grasp information about the part of interest of the user.

Refer to FIG. 13 and FIGS. 14A to 14C for a detailed description of the first function. Fig. 13 is a flowchart showing the first function of the smart shoe of the present invention, and Figs. 14A to 14C show an embodiment of the first function of the smart shoe of the present invention.

When the first function is selected, the portable terminal 200 requests the user to select a region of interest 230 that is a part of the user's foot area (S30). As shown in FIG. 14A, the ROI 230 is selected from each of the feet of the user, and a plurality of ROIs 230 may be selected.

When the user selects the region of interest 230 in response to the selection request of the portable terminal 200, the determination unit 210 determines the region 230 of interest and the region 230 of the region of interest 230 among the plurality of tactile sensors 110, The first tactile sensor disposed in the first tactile sensor is selected (S32). As shown in FIG. 14B, the tactile sensors disposed in the vicinity of the area of interest 230 selected by the user are grouped to become the first tactile sensor.

The intensity of the pressure applied to the first tactile sensor is calculated using the sensing signal received by the transmission / reception unit 202 (S34).

The determination unit 210 measures the number of pressures applied to the region of interest 230 and the intensity of the pressure applied to the region of interest 230 using the intensity of the pressure applied to the first tactile sensor, 14C, if the magnitude of the pressure applied to the first tactile sensor is higher than a predetermined reference point, the attention area 230 is subjected to pressure If the magnitude of the pressure applied to the first tactile sensor is lower than the reference point, it is not recognized that the pressure is applied.

The determination unit 210 controls the memory 204 to store the ROI data including the number of times of pressure applied to the ROI 230 and the intensity information of the pressure. The display unit 214 displays the ROI data to display the number of times of pressure applied to the ROI 230 and the intensity of the pressure. That is, the user can confirm how much acupressure is applied to the region of interest 230 through the display unit 214.

The determination unit 210 of the portable terminal 200 generates the control signal so that the LED module 40 or the actuator 70 is controlled according to the pressure applied to the region of interest 230. For example, when a pressure equal to or greater than a preset value is applied to the region of interest 230, light may be output from the LED module 40 or vibration may be output from the actuator 70. Alternatively, when a pressure equal to or greater than a predetermined value is applied to the region of interest 230, the color or light pattern of the light output from the LED module 40 may be adjusted, or the intensity or vibration of the vibration generated in the actuator 70 And so on.

On the other hand, the second function is a mode for enabling the center of gravity of the user's foot. To specifically examine the second function, reference is made to Figs. 15A to 15C, Figs. 16A and 16B and Figs. 17A to 17C. Figs. 15A to 15C are flowcharts illustrating a second function of the smart shoe of the present invention, and Figs. 16A and 16B show one embodiment of the second function of the smart shoe of the present invention.

First, the portable terminal 200 requests the user to input user information, and the user inputs the user information at the request of the portable terminal 200 (S40). The user information includes a user's height, a weight of a user, a shoe size of a user, and other information such as stride, distance between ankle and knee, and the like.

In addition, the portable terminal 200 requests the user to set an initial state, and the user sets an initial state at the request of the portable terminal 200 (S42). Here, the initial state includes an initial state during stopping and an initial state during walking.

The initial state during the stop refers to the center of gravity for each of a plurality of partial regions calculated while the user wears the smart shoe 100 during stoppage. The initial state during walking refers to the center of gravity calculated from the foot area of the user while walking while the user wears the smart shoe 100.

Then, the determination unit 210 determines whether the user is stopped or the user is walking by comparing the pressure applied by both feet of the user (S44).

For example, when it is detected that a predetermined pressure (a pressure equal to or higher than a preset value) is applied to both feet for a predetermined period of time, it can be determined that the user is stopped. Further, when there is no pressure applied to one foot or both feet for a predetermined period of time (pressure equal to or greater than a preset value), it can be determined that the user is walking.

If it is determined that the user is stopped, the process as shown in Fig. 15B is performed to determine the center of gravity at the time of stop.

Referring to FIG. 15B, the determination unit 210 divides the user's foot area into a plurality of partial areas (S50). The determination unit 210 divides the plurality of tactile sensors 110 so as to correspond to the positions of the plurality of divided partial regions.

A plurality of partial regions to be divided are divided according to a predetermined division method. Alternatively, the user may selectively set a plurality of partial areas. That is, the plurality of partial regions may be determined according to an input signal for selecting a plurality of partial regions to be received by the user input portion 206. [

Then, the determination unit 210 calculates the center of gravity of each of the plurality of partial regions using the sensing signal received by the transmission / reception unit 202, and generates first center-of-gravity data including the calculated result (S51). The determination unit 210 may generate the first center of gravity data by calculating the intensity of the pressure applied to the plurality of divided tactile sensors 110 using the sensing signal received by the transmission / reception unit 202 .

In addition, the determination unit 210 controls the first center-of-gravity data including the center-of-gravity information of each of the plurality of partial regions to be stored in the memory 204. The display unit 214 displays the gravity center information of each of the partial regions.

Next, the first center-of-gravity reference data is compared with the first center-of-gravity data (S52). When the first center-of-gravity reference data is compared with the first center-of-gravity data and the difference is determined to exceed the predetermined first threshold, the determination unit 210 controls the mobile terminal 200 to output a predetermined alarm signal It can be recognized by the user.

Next, the degree of symmetry of the user's feet is recorded (S53), and the weight share ratio of the user to the plurality of partial regions is recorded (S54).

The determination unit 210 stores the center of gravity calculated for the left foot of the user in the memory in correspondence with the calculated center of gravity for the right foot of the user and the display unit 214 displays the center of gravity Are displayed together so that an accurate comparison can be made.

If it is determined that the difference between the position of the center of gravity calculated with respect to the left foot of the user and the position of the center of gravity calculated with respect to the user's right foot exceeds the preset symmetry reference value, It is possible to control the portable terminal 200 to output a predetermined alarm signal for recognizing the user. That is, when the position of the center of gravity calculated with respect to the left foot of the user is not symmetrically formed with the position of the center of gravity calculated with respect to the user's right foot, the output of the feedback module of the mobile terminal 200 is used .

For example, the first center of gravity data may be between the upper and lower limits of the first center of gravity reference data, even if the user is a leg or leg. The present invention is configured to more accurately diagnose the user's foot condition by clearly grasping the degree of symmetry of the user's foot.

It is possible to divide into three partial regions of the forefoot portion 250a, the middle portion 250b, and the hind part 250c, as shown in Fig. 16A. The determination unit 210 calculates the center of gravity of the forefoot part 250a, the middle part 250b, and the hind part 250c. The display portion 214 includes a center of gravity 252a of the left foot at the forefoot portion 250a, a center of gravity 254a of the right foot at the forefoot 250a, a center of gravity 252b of the left foot at the middle portion 250b, The center of gravity 254b of the right foot, the center of gravity 252c of the left foot at the hind part 250c and the center of gravity 254c of the right foot at the hind part 250c are displayed.

In the memory 204, first center-of-gravity reference data is stored. The first center-of-gravity reference data represents a position of a desired center of gravity for each of the plurality of partial regions in a stationary state. For example, the first center-of-gravity reference data is information about the center of gravity medically required, and may be referred to as reference data to be compared with the center of gravity measured at the user's feet.

As shown in FIG. 16A, the display unit 214 displays first center-of-gravity reference data 260 and 270 for both feet of the user and an upper limit 262 of the first center-of-gravity reference data 260 and 270 , 272 and the lower limit lines 264, 274 are also displayed.

The user can determine whether his current center of gravity 252a, 252b, 252c, 254a, 254b and 254c is within the upper limits 262 and 272 and lower limits 264 and 274 of the first center of gravity reference data 260 and 270 It can be easily judged. By recognizing such data, the user can know the degree of symmetry of the center of gravity with respect to the center of gravity and can determine whether the body is in balance or whether the shoe is to be replaced.

On the other hand, if it is determined that the user is walking, the process as shown in FIG. 15C is performed to determine the movement of the center of gravity at the time of walking.

Referring to FIG. 15C, the determination unit 210 calculates the center of gravity of the foot area of the user during walking using the sensing signal received by the transmitter-receiver unit 202, and calculates a second center of gravity Data is generated (S60).

In addition, the determination unit 210 controls the memory 204 to store the second center-of-gravity data including the center-of-gravity information for the foot area of the user during the walking. The display unit 214 displays the center of gravity information for the foot area of the user.

Then, the second center-of-gravity reference data is compared with the second center-of-gravity data (S61). When the second center-of-gravity reference data is compared with the second center-of-gravity data and the difference is determined to exceed the predetermined second threshold value, the determination unit 210 controls the mobile terminal 200 to output a predetermined alarm signal It can be recognized by the user.

Then, the degree of symmetry of the user's feet is recorded (S62), and the weight share ratio of the user with respect to the foot area of the user is recorded (S63).

The determination unit 210 stores the center of gravity calculated for the left foot of the user in the memory in correspondence with the calculated center of gravity for the right foot of the user and the display unit 214 displays the center of gravity Are displayed together so that an accurate comparison can be made.

If it is determined that the difference between the position of the center of gravity calculated with respect to the left foot of the user and the position of the center of gravity calculated with respect to the user's right foot exceeds the preset symmetry reference value, It is possible to control the portable terminal 200 to output a predetermined alarm signal for recognizing the user.

As shown in FIG. 16B, the center of gravity moves forward while the user is walking, and the determination unit 210 calculates the center of gravity in real time. The display unit 214 displays the center of gravity 252 of the left foot of the user and the center of gravity 254 of the right foot.

The memory 204 stores second center-of-gravity reference data. The second center-of-gravity reference data represents a position of a desired center of gravity for a user's foot region in a walking state. For example, the second center-of-gravity reference data is information about the center of gravity of the foot that is medically required, and may be referred to as reference data to be compared with the center of gravity measured at the user's feet.

16B, the display unit 214 displays second center-of-gravity reference data 280 and 290 for both feet of the user and an upper limit 282 of the second center-of-gravity reference data 280 and 290 , 292 and the lower limit lines 284, 294 are also displayed.

The user can easily determine whether his or her current center of gravity 252 and 254 is within the upper limits 282 and 292 and the lower limits 284 and 294 of the second center of gravity reference data 280 and 290. By recognizing such data, the user can know the degree of symmetry of the two legs with respect to the center of gravity and can grasp the weight sharing ratio.

Then, it is possible to calculate the impact load and moment applied to the ankle and the knee of the user (S64). The impact load and moment calculated in step S64 may be compared with a threshold value to determine whether an appropriate load and moment are applied.

That is, the user's walking tactile sensor 110 may sense the impact force applied to the lower side of the smart shoe 100, and the determination unit 210 may use the impact force sensed by the tactile sensor 110, The impact force and impact moment applied to the ankle or knee area can be measured.

17A to 17C are models for calculating the load loads of the ankle and knee regions according to the present invention. Figs. 17A to 17C show the operation in which the user moves forward.

17A, the impact force applied to the user's ankle region or the knee 6 region in the movement of the rear face 2 of the smart shoe on the ground is measured according to the following equation (7) The impact moment applied to the region 6 can be measured according to the following expression (8).

Figure 112015062736699-pat00036

In Equation (7)

Figure 112015062736699-pat00037
Is an impact force applied to the rear surface 2 of the smart shoe 100 sensed by the tactile sensor 110,
Figure 112015062736699-pat00038
Is the angle between the line connecting the user's calf and the line perpendicular to the ground.

Figure 112015062736699-pat00039

In Equation (8)

Figure 112015062736699-pat00040
Is a distance between a point at which a portion of the user's knee 6 is projected on the ground and a point at which the impact force is applied.

The impact force applied to the user's ankle region or the knee 6 region in the operation in which the front surface 2 and the rear surface 4 of the smart shoe 100 are in contact with the ground surface is expressed by the following Equation 9 And the impact moment applied to the user's ankle region and knee 6 region can be measured according to Equation (10).

Figure 112015062736699-pat00041

In Equation (9)

Figure 112015062736699-pat00042
Is an impact force applied to the smart shoe 100 sensed by the tactile sensor 110.

Figure 112015062736699-pat00043

In Equation (10)

Figure 112015062736699-pat00044
Is an impact force applied to the smart shoe 100 sensed by the tactile sensor 110,
Figure 112015062736699-pat00045
Is the distance between the point at which the user's ankle portion is projected onto the ground and the point at which the impact force is applied.

The impact force applied to the user's ankle region or the knee 6 region in the movement of the front face 4 of the smart shoe 100 against the ground is measured according to the following equation 11, The impact moment applied to the user's ankle region is measured according to the following Equation (12), and the impact moment applied to the user's knee region (6) can be measured according to the following Equation (13).

Figure 112015062736699-pat00046

In Equation (11)

Figure 112015062736699-pat00047
Is an impact force applied to the front surface of the smart shoe 100 sensed by the tactile sensor 110,
Figure 112015062736699-pat00048
Is the angle between the line connecting the user's calf and the line perpendicular to the ground.

Figure 112015062736699-pat00049

In Equation (12)

Figure 112015062736699-pat00050
Is an impact force applied to the front surface 4 of the smart shoe 100 sensed by the tactile sensor 110,
Figure 112015062736699-pat00051
Is the distance between the point at which the user's ankle portion is projected onto the ground and the point at which the impact force is applied.

Figure 112015062736699-pat00052

In the above equation (13)

Figure 112015062736699-pat00053
Is the distance between the point at which the user's ankle portion is projected onto the ground and the point at which the impact force is applied.

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner. In addition, functional programs, codes, and code segments for implementing the present invention can be easily inferred by programmers of the technical field to which the present invention belongs.

It should be understood that the above-described apparatus and method are not limited to the configuration and method of the embodiments described above, but the embodiments may be modified so that all or some of the embodiments are selectively combined .

10: Insole
20: Midsole
30: Outsole
100: Smart Shoes
110: tactile sensor
111: Sensor upper layer
111a:
112:
113: sensor middle layer
114: sensor lower layer
114a:
121: sense resistor
122: first electrode
123: second electrode
124: intermediate resistor
125: first intermediate resistance
126: second intermediate resistor
200:
202: Transmitting /
204: memory
206: user input
208:
210:
212:
214:
222:
230: Interest area

Claims (37)

A portable terminal; And a smart shoe communicatively coupled to the portable terminal,
The smart shoe,
A plurality of tactile sensors disposed in the sole of the smart shoe and generating a sensing signal corresponding to the intensity of the pressure when pressure is applied by the user's foot of the smart shoe; And
And a communication module for transmitting the sensing signal generated by the tactile sensor to the portable terminal,
The mobile terminal includes:
A transceiver including at least one module for receiving a sensing signal transmitted from the communication module and enabling wireless communication between the portable terminal and the wireless communication system or between the portable terminal and the network in which the portable terminal is located;
A determination unit for determining a position of the pressure and an intensity of the pressure using the sensing signal received by the transceiving unit;
A memory for storing a position of the pressure detected by the determination unit and an intensity of the pressure; And
And a user input for receiving an input signal from the user,
Wherein the user input receives an input signal from the user to select one of a first function and a second function associated with the operation of the smart shoe,

The mobile terminal includes:
And a display unit for displaying time information,
Wherein the display unit displays at least one of the position of the pressure and the pressure detected by the determination unit,

When an input signal for selecting the first function is received in the user input unit,
The portable terminal requests the user to select a region of interest that is a part of the foot area of the user,

When an input signal for selecting the second function is received in the user input unit,
Wherein the determination unit determines whether the user is stationary or the user is walking by comparing pressures applied by both feet of the user,
Wherein,
If it is determined that a predetermined pressure is applied to both feet of the user, it is determined that the user is stopping,
When it is determined that pressure is not applied to at least one of the feet of the user, it is determined that the user is walking,

If it is determined that the user is stationary,
Wherein the determination unit divides the foot area of the user into a plurality of partial areas and divides the plurality of tactile sensors so as to correspond to the positions of the divided partial areas, Calculating the center of gravity for each of the plurality of partial regions by calculating the intensity of pressure applied to each of the plurality of divided tactile sensors to generate first center of gravity data,

Wherein the first gravity center data is stored in the memory,

If it is determined that the user is walking,
The determination unit may generate second center-of-gravity data by calculating a center of gravity of the foot region of the user using the sensing signal received by the transmission / reception unit,
Wherein the second center of gravity data is stored in the memory.
delete delete The method according to claim 1,
When the user selects an area of interest corresponding to the request for selection of the portable terminal,
Wherein the determination unit selects a first tactile sensor disposed at a portion of the plurality of tactile sensors that is adjacent to the ROI and the ROI, and transmits the selected first tactile sensor to the first tactile sensor using the detection signal received by the transceiver Calculating the intensity of the pressure and using the intensity of the pressure applied to the first tactile sensor to calculate at least one of the number of pressures applied to the region of interest and the intensity of the pressure applied to the region of interest, Generate,
Wherein the region of interest data is stored in the memory. 5. The method of claim 4,
The display unit includes:
And displays the intensity of pressure applied to the ROI, the number of pressures applied to the ROI, and the intensity of the pressure applied to the ROI.

delete delete delete The method according to claim 1,
If it is determined that the user is stationary,
Wherein the plurality of partial regions comprise:
Wherein the footrest includes a forefoot portion, a forefoot portion, and a hind foot portion. The method according to claim 1,
If it is determined that the user is stationary,
Wherein the plurality of partial regions divided by the determination unit include:
Wherein the determination is made according to an input signal for selecting the plurality of partial regions received from the user at the user input unit. The method according to claim 1,
If it is determined that the user is stationary,
In the memory,
Wherein a predetermined first center-of-gravity reference data representing a desired center of gravity for each of the plurality of partial regions is stored in a stopped state, 12. The method of claim 11,
The display unit includes:
And displays the first center of gravity reference data stored in the memory together with the center of gravity of each of the plurality of partial regions calculated by the determination unit. 13. The method of claim 12,
Comparing the first center-of-gravity reference data with the first center-of-gravity data and determining that the difference exceeds a predetermined first threshold,
Wherein the determination unit controls the portable terminal to output a predetermined alarm signal for recognizing the user. The method according to claim 1,
If it is determined that the user is stationary,
Wherein the determination unit stores the center of gravity calculated for the left foot of the user in the memory in association with the calculated center of gravity for the right foot of the user,
Wherein the display unit displays the center of gravity of both feet of the user together. The method according to claim 1,
If it is determined that the user is stationary,
When it is determined that the difference between the position of the center of gravity calculated for the left foot of the user and the position of the center of gravity calculated for the right foot of the user exceeds the preset symmetry reference value,
Wherein the determination unit controls the portable terminal to output a predetermined alarm signal for recognizing the user.
delete The method according to claim 1,
If it is determined that the user is walking,
In the memory,
Wherein a predetermined second center-of-gravity reference data representing a desired center of gravity in the walking state is stored. 18. The method of claim 17,
The display unit includes:
And displays the second center-of-gravity data calculated by the determination unit together with the second center-of-weight reference data stored in the memory. 19. The method of claim 18,
Comparing the second center-of-gravity reference data with the second center-of-gravity data and determining that the difference exceeds a predetermined second threshold,
Wherein the determination unit controls the portable terminal to output a predetermined alarm signal for recognizing the user. The method according to claim 1,
If it is determined that the user is walking,
Wherein the determination unit stores the center of gravity calculated for the left foot of the user in the memory in association with the calculated center of gravity for the right foot of the user,
Wherein the display unit displays the center of gravity of both feet of the user together. The method according to claim 1,
If it is determined that the user is walking,
When it is determined that the difference between the position of the center of gravity calculated for the left foot of the user and the position of the center of gravity calculated for the right foot of the user exceeds the preset symmetry reference value,
Wherein the determination unit controls the portable terminal to output a predetermined alarm signal for recognizing the user. The method according to claim 1,
If it is determined that the user is walking,
The tactile sensor senses an impact force applied to the lower side of the smart shoe while the user is walking,
Wherein the determination unit measures an impact force and an impact moment applied to an ankle part or a knee part of the user using the impact force sensed by the tactile sensor. 23. The method of claim 22,
In the operation of the back side of the smart shoe facing the ground,
The impact force applied to the ankle region or the knee region of the user is measured according to the following Equation 1 and the impact moment applied to the knee region of the user is measured according to the following Equation 2: Smart shoe system.
Equation 1
Figure 112015062736699-pat00054

In the above equation (1)
Figure 112015062736699-pat00055
Is an impact force applied to the rear surface of the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00056
Is an angle between the calf area of the user and a line perpendicular to the ground.
Equation 2
Figure 112015062736699-pat00057

In Equation (2)
Figure 112015062736699-pat00058
A point at which the knee portion of the user is projected onto the paper surface,
Figure 112015062736699-pat00059
Is the distance between the applied points. 24. The method of claim 23,
In the operation in which the front and rear surfaces of the smart shoe contact the ground,
The impact force applied to the user's ankle region or the knee region is measured according to Equation (3), and the impact moment applied to the user's ankle region and knee region is measured according to Equation (4) Smart footwear system using foot pressure.
Equation 3
Figure 112015062736699-pat00060

In Equation (3)
Figure 112015062736699-pat00061
Is an impact force applied to the smart shoe detected by the tactile sensor.
Equation 4
Figure 112015062736699-pat00062

In Equation (4)
Figure 112015062736699-pat00063
Is an impact force applied to the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00064
Is a distance between a point where the ankle portion of the user is projected on the ground and a point where the impact force is applied. 25. The method of claim 24,
In the operation of the front of the smart shoe against the ground,
The impact force applied to the user's ankle or knee is measured according to Equation (5), and the impact moment applied to the user's ankle is measured according to Equation (6) Is measured according to Equation (7) below. &Lt; EMI ID = 7.0 &gt;
Equation 5
Figure 112015062736699-pat00065

In Equation (5)
Figure 112015062736699-pat00066
Is an impact force applied to the front surface of the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00067
Is an angle between the calf area of the user and a line perpendicular to the ground.
Equation 6
Figure 112015062736699-pat00068

In Equation (6)
Figure 112015062736699-pat00069
Is an impact force applied to the front surface of the smart shoe detected by the tactile sensor,
Figure 112015062736699-pat00070
Is a distance between a point where the ankle portion of the user is projected on the ground and a point where the impact force is applied.
Equation 7
Figure 112015062736699-pat00071

In Equation (6)
Figure 112015062736699-pat00072
Is a distance between a point where the ankle portion of the user is projected on the ground and a point where the impact force is applied. The method according to claim 1,
The smart shoe,
A feedback module installed in the smart shoe for generating a predetermined output; And
And a control module for controlling the feedback module,
The determination unit may generate a control signal using the sensing signal received by the transceiving unit,
Wherein the transmission / reception unit transmits the control signal generated by the determination unit to the communication module,
Wherein the control module controls the feedback module based on a control signal transmitted to the communication module. 27. The method of claim 26,
The feedback module comprises:
And an LED module for emitting light to the outside,
Wherein,
Wherein the controller generates the control signal so that light emitted from the LED module is controlled according to the position of the pressure and the intensity of the pressure detected by the determination unit. 27. The method of claim 26,
The feedback module comprises:
And an actuator for outputting vibration,
Wherein,
Wherein the controller generates the control signal so that the vibration output from the actuator is controlled according to the position of the pressure and the intensity of the pressure detected by the determination unit. delete delete delete delete delete delete delete delete delete
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