KR101877105B1

KR101877105B1 - AC EDR System for Estimating Mind States

Info

Publication number: KR101877105B1
Application number: KR1020150183685A
Authority: KR
Inventors: 홍혁기; 정석원; 손재기
Original assignee: 전자부품연구원
Priority date: 2015-12-22
Filing date: 2015-12-22
Publication date: 2018-07-10
Also published as: KR20170074423A

Abstract

An interdisciplinary EDR system for psychological state identification is provided. The EDR system according to an embodiment of the present invention includes electrodes to be in contact with a user's hand, an applicator for applying a current for grasping the gland state through electrodes, a measuring unit for measuring conductivity between the electrodes, And determining a psychological state of the user based on the measured electrical conductivity. Thus, it is possible to grasp the 'gland state' in addition to the 'skin condition', and to grasp the psychological state more finely. In addition, the skin condition can be further subdivided, thus contributing to a grasping of the psychological state.

Description

{AC EDR System for Estimating Mind States}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an EDR (Electrodermal Response) system, and more particularly, to an AC-EDR system for psychological state recognition.

The EDR system is a system for measuring the electrical conductivity between two points on the skin. The electrical conductivity of the skin is used as a parameter to determine the state of health and psychology.

To this end, the EDR system applies direct current (DC) between two points on the skin and senses the current through the body to measure a very low electrical conductivity of the order of a few μs.

The above electrical conductivity is a measure of skin condition, and there is a limit to grasping the detailed psychological state. Therefore, an EDR system for more detailed psychological state grasp is required.

Korean Published Patent 2009-0117003 (2009.11.12)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an EDR system capable of grasping 'gland state' in addition to 'skin condition' and grasping a psychological state.

According to an aspect of the present invention, there is provided an EDR system including electrodes to be in contact with a user's hand; An applicator adapted to apply a current for gauze state recognition through the electrodes; A measuring unit for measuring a conductivity between the electrodes; And a controller for determining a psychological state of the user based on the electric conductivity measured by the measuring unit.

The current for gauze state recognition may be an alternating current. Further, the applying unit may further apply a current for grasping the skin condition. The current for grasping the skin condition may be an alternating current.

In addition, the frequency of the electric current for gauze state recognition may be higher than the frequency of electric current for measuring the electric conductivity of the skin.

In addition, the current for grasping the skin condition may include a current of the first frequency and a current of the second frequency.

In addition, the controller may determine whether the user's psychological state is a different state by combining the occurrence of the conductive change due to the application of the current for grasping the skin condition and the occurrence of the conductive change due to the application of the current for grasping the gingival state .

According to another embodiment of the present invention, there is provided a method for grasping a user's psychological state, comprising: applying a current for gauze state recognition through electrodes touching a user's hand; Measuring a conductivity between the electrodes; And determining the psychological state of the user based on the measured electrical conductivity.

INDUSTRIAL APPLICABILITY As described above, according to the embodiments of the present invention, the 'gland state' in addition to the 'skin condition' can be grasped and a more detailed psychological state can be grasped. In addition, the skin condition can be further subdivided, thus contributing to a grasping of the psychological state.

1 is a block diagram of an EDR system according to an embodiment of the present invention;
2 is a detailed block diagram of the current applying section shown in FIG. 1,
FIG. 3 is a detailed block diagram of the skin conductivity measuring unit shown in FIG. 1,
4 is a flow chart provided in the description of a method for grasping a user psychological state according to another embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings.

1 is a block diagram of an EDR system according to an embodiment of the present invention. In the EDR system according to the embodiment of the present invention, the 'gland state' in addition to the 'skin state' can be grasped and a more detailed psychological state can be grasped based on the two types of grasped states.

In addition, the EDR system according to the embodiment of the present invention can subdivide the 'skin condition', thereby making it possible to grasp the psychological state more faithfully.

1, the EDR system according to an embodiment of the present invention performs the functions as described above. The EDR system includes electrodes 111 and 112, a current applying unit 120, a skin conductivity measuring unit 130, a controller 140, a storage unit 150, and a display 160.

The electrodes 111 and 112 are contacted at different points of the user's hand. Specifically, as shown in Fig. 1, the electrode-1 111 can be worn on the user's stop finger, and the electrode-2 112 can be worn on the index finger of the user, respectively.

However, it is to be understood that the wear / contact state shown in FIG. 1 is illustrative and can be configured differently from that shown.

The current application unit 120 applies a current to the electrodes 111 and 112 to allow current to flow through the user's hand. The current application unit 120 applies an alternating current (AC) to the electrodes 111 and 112.

The kinds of AC applied by the current application unit 120 are various. That is, the current applying unit 120 applies ACs of various frequencies. 2 shows a detailed structure of the current application unit 120. As shown in FIG.

2 is a detailed block diagram of the current applying unit 120 shown in FIG. The current application unit 120 includes a 100 Hz AC generator 121, a 1 kHz AC generator 122, a 300 MHz AC generator 123 and a synthesizer 124, as shown in Fig.

1) 100 Hz AC generator 121 generates 100 Hz AC and applies it to synthesizer 124,

2) The 1 kHz AC generator 122 generates and applies 1 kHz AC to the synthesizer 124,

3) The 300 MHz AC generator 123 generates and applies 300 MHz AC to the synthesizer 124.

100Hz AC and 1kHz AC are currents for skin condition recognition, and 300MHz AC is current for gland status.

In the embodiment of the present invention, AC is used instead of DC as a current for grasping the skin condition, and AC used has two different frequencies.

The current for gland status is much higher than the current for skin condition. In the embodiment of the present invention, only one current is assumed for gauze state recognition, but it is merely an example. It goes without saying that it is possible to construct currents for grasping the skin condition at various frequencies.

The synthesizer 124 synthesizes 100 Hz AC, 1 kHz AC and 300 MHz AC generated by the 100 Hz AC generator 121, the 1 kHz AC generator 122 and the 300 MHz AC generator 123, respectively, .

Referring back to FIG.

The skin conductivity measuring unit 130 measures the electric conductivity between the electrodes 111 and 112 for each AC applied by the current applying unit 120. That is, the skin conductivity measuring unit 130 measures the electric conductivity for 100 Hz AC, the electric conductivity for 1 kHz AC, and the electric conductivity for 300 MHz AC, respectively.

FIG. 3 shows the detailed structure of the skin conductivity measuring unit 130. FIG. 3 is a detailed block diagram of the skin conductivity measuring unit 130 shown in FIG.

3, the skin conductivity measuring unit 130 includes a 100 Hz band filter 131-1, a 1 kHz band filter 131-2, a 300 MHz band filter 131-3, and conductivity meters 132- 1, 132-2, and 132-3.

1) The 100 Hz band-pass filter 131-1 extracts only 100 Hz AC among the current components flowing through the electrodes 111 and 112, and the conductivity meter 132-1 measures the electric conductivity with respect to 100 Hz AC from the extraction result ,

2) The 1 kHz band filter 131-2 extracts only 1 kHz AC among the current components flowing through the electrodes 111 and 112, and the conductivity meter 132-2 measures the electric conductivity with respect to 1 kHz AC from the extraction result ,

3) The 300 MHz band filter 131-3 extracts only 300 MHz AC among the current components flowing through the electrodes 111 and 112, and the conductivity meter 132-3 measures the electric conductivity to 300 MHz AC from the extraction result .

The result of the conductivity measurement by the conductivity meters 132-1, 132-2, and 132-3 is applied to the controller 140. [

Referring back to FIG.

The controller 140 determines the psychological state of the user based on the electric conductivities measured by the skin conductivity measuring unit 130.

Specifically, the control unit 140 determines whether or not the change in the electrical conductivity with respect to 100 Hz AC occurs, 2) whether the change in the electrical conductivity with respect to 1 kHz AC occurs, and 3) whether the change in the electrical conductivity with respect to 300 MHz AC occurs , The user's psychological state is recognized as a different state.

The storage unit 150 stores a DB in which the psychological state of the user is defined according to the state of change of the electric conductivity.

For example, if a change has occurred to both the electrical conductivity for 100 Hz AC, the electrical conductivity for 1 kHz AC, and the electrical conductivity for 300 MHz AC, the user's psychological state can be defined as exhibiting a strong excitement state.

In addition, the electrical conductivity for 100 Hz AC and the electrical conductivity for 1 kHz AC did not change, but if the electrical conductivity for 300 MHz AC had changed, the user's psychological state could be defined as a weak excitement state.

The display 160 displays the psychological state of the user identified by the control unit 140. [

4 is a flow chart provided in the description of a method for grasping a user psychological state according to another embodiment of the present invention.

As shown in FIG. 4, first, the electrodes 111 and 112 are contacted to different points of the user's hand (S210).

Next, the current applying unit 120 generates 100 Hz AC, 1 kHz AC, and 300 MHz AC, and applies it to the electrodes 111 and 112 (S220).

Then, the skin conductivity measuring unit 130 measures the electrical conductivity for 100 Hz AC, the electrical conductivity for 1 kHz AC, and the electrical conductivity for 300 MHz AC (S230).

Thereafter, the controller 140 determines the psychological state of the user based on the electrical conductivities measured in step S230 (S240).

Then, the display 160 displays the psychological state of the user identified in step S240 (S250).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the present invention.

111, 112: electrode 120: current applying unit
130: skin conductivity measuring unit 140:
150: storage unit 160: display

Claims

Electrodes contacting the user's hands;
An applicator for applying a current for grasping the skin condition and a current for grasping the gland state through the electrodes;
A measuring unit for measuring a conductivity between the electrodes; And
And a controller for determining a psychological state of the user based on the electric conductivity measured by the measuring unit,
Wherein,
The user's psychological state is determined by combining whether or not a change in the conductivity by the current application for the skin condition is detected and a change in the conductivity by the application of the current for gauze state detection,
The current for grasping the skin condition is,
Wherein the EDR system comprises a current of a first frequency and a current of a second frequency.

The method according to claim 1,
The current for grasping the gland state may be,
And an alternating current.

delete

Claim 1:
The current for grasping the skin condition is,
And an alternating current.

The method of claim 4,
The frequency of the electric current for grasping the gland state is,
Wherein the frequency of the electric current for measuring the electrical conductivity of the skin is higher than the frequency of the electric current for measuring the electrical conductivity of the skin.

delete

Applying a current for grasping the skin condition and a current for grasping the gingival state together through the electrodes contacting the user's hands;
Measuring a conductivity between the electrodes; And
Determining whether or not a change in conductivity by the application of a current for recognizing the skin condition occurs and a change in conductivity caused by applying a current for gauze state determination to determine a psychological state of the user;
The current for grasping the skin condition is,
And a current of a first frequency and a current of a second frequency.