KR20190051540A - Personalized self-stress measurement and control device using breathing relaxation training and aromatherapy - Google Patents

Abstract

The present invention relates to a personalized biofeedback-based self-stress control and measurement method using a complex biomarker and, more specifically, to a system and method for integrally managing stress, which measure stress by measuring a heart rate variability (HRV) through a photoplethysmography (PPG) and measuring a pupil size variability (PSV) through a smartphone camera, which relieve stress by providing stability through elements of breathing control such as pictures, images, music and sound of nature provided by a smartphone and through aroma provided by an aroma spray device mounted on a control unit of a device, and which controls an autonomic nervous system through biofeedback of data about a user.

Description

[0001] Personalized self-stress measurement and control device using breathing relaxation training and aromatherapy [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a method for self-stress control and measurement based on a personalized biofeedback using a complex biomarker, and more particularly to a heart rate variability (HRV) measurement using an optical pulse pulse (PPG, Photoplethysmography) Measuring the stress by measuring the pupil size variation (PSV) through the camera and measuring the stress, the elements of pictures, images, music, sound of nature and respiration control provided by the smartphone and the aroma incense This is a study on an integrated stress management system and method that mitigates stress by giving a sense of stability through the fragrance provided by the injecting device, and then regulates the autonomic nervous system by bio-feedback of its own data.

Heart Rate Variability refers to the periodic change of heart rate over time, which is an important key in tracking the homeostatic control mechanism of the autonomic nervous system to the factors of the internal and external environment, It can be traced through heart beat variability.

     The HRV reduction means that the complexity of the dynamic change of the heartbeat is reduced, which means a decrease in the adaptive capacity of the body to the constantly changing environment. This means that the square root of the mean of the square of the difference of the adjacent RR intervals (RMSSD, Root Mean Square of the Successive Differences. It is possible to estimate the mechanism of homeostatic regulation of the autonomic nervous system from minute changes in heartbeat. A healthy and controllable person can be sensitive to blood oxygen concentration, body temperature, blood pressure, etc., If they are in a state, they will not be able to reach a physiological balance state.

     Time domain analysis of HRV analysis methods is a statistical method for statistical treatment of RR intervals between same-sex heartbeats. It is also possible to record in 5 minutes in a special committee of European and North American cardiac coordination and electrophysiology. The heart rate or the interval between normal pulses at a specific time is measured. Continuous PPG waveforms determine the RR interval or instantaneous heart rate. Time domain analysis Reflects the effect of parasympathetic nervous system, all units are msec. The parameters obtained through time-domain analysis include HR, Heart Rate, Standard Deviation of NN interval (SDNN), RMSSD, HRV-Index, Heart Rate Variability -Index). Among these, RMSSD is known as the most accurate parameter especially for short time HRV measurement and analysis.

     And the blood pressure waveform can be monitored by the optical volume pulse wave measuring method. The PPG sensor monitors the flow of intravascular blood cells from the transmitted light or the reflected light after applying infrared (IR) light to the terminal capillary to estimate the change in the blood vessel volume, thereby calculating the blood pressure waveform, , Elasticity of blood vessels, degree of stress, and so on.

     As interest in health increases, various health care systems are emerging. They measure the biometric information or the user's health information from the terminal for biometric measurement to the level that displays it simply. On the other hand, the concern about stress, which is the most dangerous factor for health, is also increasing rapidly.

 Attempts have been made to determine the stress, and stress measurement is being performed mainly at medical institutions. However, since the source of the stress is excluded from the living environment of the user, the stress measurement itself can not be regarded as accurate. To overcome this problem, many personal stress management systems and programs have been developed. However, by standardizing the stress using an average of the age and gender without considering the user's physical characteristics and the biological signals that vary depending on the situation, It is hard to see it as a device. In addition, there is a problem that the reliability index is lowered because the stress index is quantified only by one factor called HRV (heart rate variability) and the equation for quantifying it is also subjective.

    In addition, there is a limitation in stress relaxation through the simple breath control program through HRV and the meditation program through natural scenery and sound, and it is intended to develop a program and apparatus for mitigating stress more effectively by supplementing the stress relaxation program.

   The present invention proposes a personalized autonomic nervous balance achievement index and a measure of stress relaxation degree according to heart beat variability for each individual state.

      In addition, the present invention proposes a personalized stress relaxation apparatus in which stress is regulated by biofeedback according to individual real-time HRV data values.

      In addition, the present invention provides a program and an apparatus for relieving stress effectively by providing pictures, images, music, natural sound and breath control through a smart phone and providing aroma fragrance through an aroma incense spraying device built in a control unit of a device I suggest.

In order to achieve the objects of the present invention described above, a personalized biofeedback-based method for self-stress control and measurement comprises generating a stress-relieving program, receiving an autonomic nervous system signal, Calculating the autonomic nervous system index based on the signal, providing the autonomic nervous system index to the user in real time for feedback, and providing the user with the stress mitigation program generated in the stress mitigation program generation step.

The autonomic nervous system index may include at least one of an autonomic nervous system balance achievement index and a stress relieving degree.

In addition, the generation of the stress relieving program can be selected and generated according to the preference of the individual based on the recommendation of the expert.

The stress relieving program may include at least one of pictures, images, music, natural sounds using a smartphone, and aroma flavors through a device, and is interlocked with a breath control program through a smart phone.

In addition, the autonomic nervous system information may be HRV (Heart Rate Variation) and PSV (Pupil Size Variability).

The HRV information may be measured by the PPG system, and the PSV may be measured by the user's smartphone.

Meanwhile, according to another embodiment of the present invention, a method for self-stress control and measurement based on a personalized biofeedback system includes a measurement unit for measuring autonomic nervous system information, an autonomic nervous system And transmits the aroma flavor to the display unit. The smartphone includes a control unit including an injection device, and a smartphone for generating and selecting a stress relieving program according to the user's preference and providing the user with a stress relieving program.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following mechanisms.

 The present invention has the following excellent effects.

First, according to the present invention, by executing a program when a user is stressed, it is possible to stabilize the mind by being provided with images, images, music, and incentives that each user can set his / .

In addition, by using the personalized HRV measurement algorithm and the PSV which are changed according to the current state of the user, it is possible to confirm the degree of stress relief of the user and to be able to recognize the breathing state in real time, .

1 is a block diagram of a personalized biofeedback based stress relaxation system according to an embodiment.

The description of the published technique is merely an example for structural or functional explanations and the scope of rights of the published technique should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of rights of the disclosed technology should be understood to include equivalents capable of realizing technical ideas.

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

     1 is a block diagram of a personalized biofeedback based stress relaxation system according to an embodiment of the present invention. The method and apparatus for self-stress control and measurement based on the personalized biofeedback using the complex biomarker according to the present embodiment can be applied to the elements of pictures, images, music, The HRV and PSV before and after using the stress reduction program are compared with each other through the perfume provided by the control unit of the control unit, and the autonomic nervous balance achievement index and the stress relaxation degree are calculated and provided to the user.

      1, a personalized biofeedback based stress relaxation system for performing such functions is constructed by including a measurement unit 200, a control unit 300, a display unit 400, and a memory unit 500, And can be implemented anywhere, regardless of location. In addition, biofeedback through HRV analysis by the stress relaxation system based on the personalized biofeedback according to the present embodiment can be performed in real time. The measuring unit 200 receives a biological signal emitted from a user's body end (fingertip or earlobe) through a PPG sensor, and the signal is converted into a digital signal through a filter processing and an amplifying circuit in the sensor, do. In the control unit 300, the signal conversion unit 310 converts the PPG data received from the measurement unit 200 into HRV time domain data, and calculates the autonomic nervous system balance achievement index according to the algorithm through the signal processing unit 320. The aroma incense sprayer 330 is an apparatus for spraying the aroma incense that is set in accordance with the user's taste, thereby reducing the user's stress.

The display unit 400 displays the HRV data and the autonomic nervous system balance achievement index received from the control unit 300 through the user's personal mobile device. At this time, other biometric data such as oxygen saturation, blood pressure, and heart rate can be displayed together with the autonomic balance achievement index. At this time, the connection system between the control unit and the display unit can utilize a wireless system using wired or Bluetooth. Also, the pupil size is measured (430) through a built-in camera for each mobile device, and the PSV data is measured and analyzed through the measuring unit 420.

Then, the display unit 400 can compare the HRV value and the PSV value before and after the use of the personalized biofeedback-based stress relaxation system, and calculate the stress relieving degree by averaging the different weights.

In addition, the five-sensory biofeedback 410 through the app of the display unit 400 provides the stress relaxation program set by the user other than the aroma incense provided by the control unit in accordance with the preference. Types of stress relief programs may include pictures, images, music, and sounds of nature provided by smartphones, which are used in conjunction with breath control programs.

 Hereinafter, the process of relieving stress by the personalized biofeedback based stress relaxation system shown in FIG. 1 will be described in detail with reference to FIG. 2 is a view for explaining a personalized biofeedback based stress relaxation system according to another embodiment of the present invention. First, as shown in FIG. 2, in step 105, the user receives an input of a profile of the user. The user profile can be the user's age, gender, name, psychological information, and so on. The input means for the user's profile may preferably be a module for providing a window or an input window provided for inputting the age and gender information of the user, and further includes an input device such as a personal smartphone, a keyboard or a mouse .

In step 110, the user sets an autonomic nervous system bio feedback according to his / her preference. The contents of biofeedback can include biofeedback (image, image) using visual, biofeedback using music (audios), biofeedback using aroma (music), and biofeedback using respiration -7-8 Breathing Therapy).

In step 115, the autonomic nervous system signal of the user is measured. At this time, the autonomic nervous system signal is measured using a measurement sensor and a device. For example, a method of measuring an autonomic nervous system signal includes a method of detecting information on heartbeat by measuring a photoelectric pulse wave (PPG) And a method of detecting information on the pupil size by measuring a pupil size change degree (PSV) through a camera built in a personal smartphone.

Step 125 causes the autonomic nervous system signal to go to step 130 when the signal size is within a certain range. If the signal magnitude is too large or small, it acts as a threshold to return to step 120 for signal size adjustment.

In step 130, the measured autonomic nervous system signal is calculated. The autonomic nervous system signal detected at this time is the RMSSD value and the pupil size variation (PSV) which are one of the time domain parameters of HRV. The RMSSD value is detected after converting the PPG signal to the HRV signal. The method of converting the PPG signal to the HRV signal is omitted because it is a publicly disclosed method.

The RMSSD value calculation during autonomic nervous system signal detection in step 130 is as follows.

In step 135, the autonomic nervous system biofeedback set by the user in step 110 is provided by the personal smartphone and the aroma incinerator. At this time, a signal of the autonomic nervous system changing while receiving the biofeedback is output to the personal smartphone in step 140.

The step of outputting the autonomic nervous system change to the display unit in step 140 is represented by the following equation (2).

At this time, the range value of n can be changed according to the user setting.

When a positive point goes up, a green circle appears in the upper left corner of the display, indicating that the stress is alleviating. On the other hand, when the negative point is raised, a red circle appears at the same position. This means that the stress relaxation is not effective So that the user can perceive his / her state change in real time.

In step 145, after analyzing the results of the autonomic nervous system changes, if the autonomic nervous system balance achievement index and stress relieving index reached a satisfactory level at step 150, and if the satisfactory values were not obtained, return to step 130, And receives biofeedback.

The pupil size is measured by using the user's smartphone before and after using the stress relieving program to measure the degree of change.

In step 155, the user's smartphone shows the overall data change while the user is using the stress relieving program, and shows the average position of his or her own state based on the user's age and sex.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

Claims (1)

A personalized biofeedback self stress measurement and control method for calculating an autonomic nervous system index using HRV data collected by analyzing a signal collected from a user's PPG signal detection device and PSV data obtained through a user's smartphone,
Defining a PPG parameter;
Measuring autonomic nervous system information;
And calculating an autonomic nervous system index based on the PPG parameter and the autonomic nervous system information obtained from the PSV data

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