KR100789214B1 - Method and apparatus of controlling vertically vibrating apparatus for exercise - Google Patents

Abstract

A method and a device for controlling a vertical vibration type exercise apparatus are provided to prevent a failure of the exercise apparatus and to secure a safety of a user by detecting a shock applied to the exercise apparatus from the outside and by responding to it properly. A method for controlling a vertical vibration type exercise apparatus comprises the steps of: detecting(S100) position information of a vibration plate of the exercise apparatus, like e.g. position wave form, changing as time passes, while the exercise apparatus is driven; calculating(S200) a data, such as a maximal and a minimal value of the position of the vibration plate according to a preset cycle on the basis of the detected position wave form thereof; calculating(S300) a changing rate(d) of the calculated data, i.e. difference between the latter, by comparing the latter; estimating(S400) whether the calculated changing rate(d) exceeds a preset value(dc) or not; and switching(S500) off the power of the exercise apparatus if the changing rate exceeds the preset value, or returning to the first step(S100) if it doesn't.

Description

TECHNICAL AND APPARATUS OF CONTROLLING VERTICALLY VIBRATING APPARATUS FOR EXERCISE}

1 is a view showing an electric system of a single-phase permanent magnet motor for driving a vertical vibrating motion device according to an embodiment of the present invention,

2 is a view showing a mechanical system of the vertical vibration type exercising apparatus according to an embodiment of the present invention,

3 (a) is a view showing a position waveform x _n (t) when no external shock occurs in the vertical vibration type exercising apparatus,

3 (b) shows a waveform x _d (t) of an external shock,

3 (c) is a view showing a position waveform x (t) when an external shock occurs in the vertical vibration type exercising apparatus,

4 is a view showing the influence of the external impact d by comparing the highest point and the lowest point of one period in the position waveforms of x _n (t) and x (t) according to an embodiment of the present invention,

5 is a view showing a process of a drive control method of a vertical vibration type exercising apparatus according to an embodiment of the present invention,

6 is a view showing a schematic configuration of a drive control device of a vertical vibration type motion device according to an embodiment of the present invention;

7 is a view showing a detailed configuration of a control device of the drive control device of the vertical vibration type motion device according to an embodiment of the present invention,

8 (a) is a view showing a detailed configuration of a position sensor used in an embodiment of the present invention,

8 (b) is a view showing the relationship between the distance and the output of the position sensor used in an embodiment of the present invention,

9 is a view showing a conventional vertical vibration type exercising apparatus.

Description of the main parts of the drawings

10: diaphragm 20: position sensor

30: control device 40: drive unit

50: user interface

The present invention relates to a drive control method and a drive control device for a vertical vibratory exercise device, and more particularly, to a drive control method for a vertical vibratory exercise device to detect an impact applied from the outside of the vertical vibratory exercise device and to respond appropriately thereto. It relates to a drive control device.

The recent increase in the number of calorie-rich foods continues to increase the obese population. Obesity has been pointed out as a cause of various adult diseases such as heart disease, high blood pressure, diabetes, and is known to be related to the development of surgical diseases such as arthritis.

Aerobic exercise is recommended to maintain health among the general population as well as the obese population, and various exercise devices are being used to enable aerobic exercise.

Among these various exercise devices, a vertical vibration type exercise device has been proposed as an exercise device for imparting an aerobic exercise to impart an impact to a knee joint or the like.

The vertical vibration type exercise device uses, for example, the principle that when the user rides on the vibration plate of the exercise device and drives the exercise device, the foot plate vibrates up and down to stimulate the user's fat and muscle to reduce fat and strengthen the muscle.

9 is a view showing a conventional vertical vibration type exercising apparatus.

In the conventional vertical vibration type exercise device, the diaphragm 72 is installed at the lower end of the L-shaped frame 70, and the display unit for displaying a handle 74, a driving state, and the like for stable use during movement on the upper end of the frame 70. 76 is provided. The diaphragm 72 includes a vibration generating device using the principle of a single-phase permanent magnet motor at the bottom thereof.

However, since the vertical vibratory motion device generates vibration in the vertical direction based on the principle of the permanent magnet electric motor, when an external shock is applied while driving the vertical vibratory motion device, for example, a user other than the boarding user may ride additionally. In this case, the driving unit may be excessively shocked and the vertical vibration type exercising apparatus may be broken.

In addition, if the user falls from the diaphragm while driving the exercise device, the power of the exercise device should be immediately turned off so as not to vibrate the occupant who may be in an abnormal posture.

Therefore, there is a need for a technical means for detecting a shock applied from the outside by the vertical vibration type exercise device and responding appropriately thereto.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and by detecting an impact applied from the outside in a vertical vibratory exercise device and responding appropriately thereto, it is possible to prevent the failure of the vertical vibratory exercise device and to ensure the safety of the user. It is an object of the present invention to provide a drive control method and a drive control device for a vibrating motion device.

In order to achieve the above object, the first aspect of the present invention is a vertical including a vibration plate, a bottom support fixed to the ground, and a drive unit provided between the vibration plate and the bottom support to transmit the vertical vibration to the vibration plate A drive control method of a vibratory exercise device, comprising: detecting positional information of the diaphragm while driving the vertical vibratory exercise device, detecting a change of the positional information, based on the detected change of the positional information It provides a drive control method of a vertical vibrating exercise device comprising the step of determining whether an impact is applied to the vibration plate from the outside, and, if it is determined that the impact is applied from the outside.

In addition, the position information may be a position waveform of the diaphragm with time.

The detecting of the change in the positional information may include calculating data for each predetermined period of time based on the position waveform, and calculating a change amount between the calculated data, and from the outside of the vibration plate. In the determining of whether the impact is applied, when the calculated change amount exceeds a preset value, it may be determined that the impact is applied from the outside.

Further, the data may be the highest and lowest values of the position of the diaphragm, the average value of the position of the diaphragm, or n (n is any natural number) at any time.

The detecting of the position information of the diaphragm may include irradiating light to the diaphragm, measuring the amount of light reflected from the diaphragm, and detecting position information of the diaphragm based on the measured amount of light. It may include.

In addition, the second aspect of the present invention is a drive control of the vertical vibration type exercise apparatus including a vibration plate, a bottom support portion fixed to the ground, and a drive unit provided between the vibration plate and the bottom support portion to transmit vertical vibration to the vibration plate. An apparatus, comprising: position information detecting means for detecting position information of the diaphragm during driving of the vertical vibrating exercise device, position information change detecting means for detecting a change in the position information, and change based on the detected position information change Drive control of a vertical vibration type exercise device including external impact determining means for determining whether an impact is applied to the diaphragm from the outside, and a power cut-off means for turning off the power of the driving unit when it is determined that an impact is applied from the outside. Provide the device.

In addition, the position information may be a position waveform of the diaphragm with time.

In addition, the position information change detection means may include data calculation means for calculating data for each predetermined period based on the position waveform, and change amount calculation means for calculating a change amount between the calculated data, and determining the external impact. The means may determine that an impact is applied from the outside when the calculated change amount exceeds a preset value.

Further, the data may be the highest and lowest values of the position of the diaphragm, the average value of the position of the diaphragm, or n (n is any natural number) at any time.

In addition, the position information detecting means may be a position sensor, wherein the position sensor has a light emitting portion and a light receiving portion, the light emitting portion irradiates light to the diaphragm, the light receiving portion measures the amount of light reflected from the diaphragm, The position information of the diaphragm may be detected based on the measured amount of light.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

First, the calculation principle of the optimum drive current to minimize the power consumption of the vertical vibration type exercising apparatus according to an embodiment of the present invention will be described below.

1 is a view showing an electric system of a single-phase permanent magnet motor for driving a vertical vibrating motion device according to an embodiment of the present invention.

The dynamics of the electrical system of such a single phase permanent magnet motor is as follows.

(1)

(One)

(2)

(2)

Where L is the inductance of the motor, R is the phase resistance, v _E is the counter electromotive force, V is the applied voltage, and I is the winding current.

2 is a view showing the mechanical system of the vertical vibratory motion device.

The dynamics of such a mechanical system is expressed as follows.

(3)

(3)

Where M is the load mass including the mass of the user in the vertical vibrating motion device, B is the viscous load constant, k is the elastic modulus of the spring, g is the gravitational acceleration, and x is the absolute position with respect to the inertial system.

On the other hand, when the vertical vibration type motion device is in a stationary state, the force due to the acceleration of gravity and the restoring force of the spring form an equilibrium, where the equilibrium position x ₀ is expressed as follows.

(4)

(4)

In this way, when the equilibrium position x ₀ is measured, the load mass M can be calculated accordingly, and the load mass M can be grasped to determine whether the user is on board or overloaded.

On the other hand, assuming that x is replaced with a position relative to the equilibrium position and the load assumes a sinusoidal motion of constant amplitude relative to the equilibrium position, then the position x satisfies the following.

(5)

(5)

At this time, by substituting equations (4) and (5) into equation (3) to obtain the current value with respect to time as follows.

(6)

(6)

Next, by differentiating equation (6), the following equation can be obtained.

(7)

(7)

In addition, the following formula | equation is established by Formula (2) and (5).

(8)

(8)

At this time, if equations (6), (7) and (8) are substituted into equation (1), the phase voltage V is expressed as follows.

(9)

(9)

Therefore, when the motor is driven with the current as shown in equation (6) by applying a voltage as shown in equation (9) to the motor, the vertical vibrating motion device is the same as the equation (5) based on the equilibrium position in the steady state. It can be seen that the same sinusoidal driving.

However, since the mechanical system represented by Eq. It is equal to the sum of the output x _n (t) of the missing system plus the output x _d (t) of the system with only external shocks as input.

Thus x (t) is expressed as

(10)

10

Where x _n (t) and x _d (t) satisfy the following equation.

(11)

(11)

(12)

(12)

3 (a), 3 (b) and 3 (c) show waveforms of x _n (t), x _d (t) and x (t), respectively.

x _n (t) has, for example, a sinusoidal waveform. In addition, x _d (t) has a sinusoidal waveform initially by an external impact d (t), and the amplitude gradually decreases over time. Accordingly, x (t) has a larger amplitude than x _n (t) from the time of the external shock and gradually has a waveform similar to x _n (t) as time passes.

That is, the position waveform when there is an external shock is determined by the sum of the position waveform when there is no external shock and the position waveform due to the external shock.

Therefore, the external shock can be detected by observing the change of the position waveform.

4 is a view showing the influence of the external impact d by comparing the highest point and the lowest point of one period in the position waveforms of x _n (t) and x (t) according to an embodiment of the present invention.

x _n (t) is a position waveform of the diaphragm when an external shock has not occurred, and x (t) is a position waveform of the diaphragm when an external shock has occurred.

External shocks generated during the operation of the vertical vibratory motion device include, for example, shocks caused by the user falling over the vibration plate or shocks by a third party.

This kind of impact has a relatively large frequency compared to the vibrating motion of the vertical vibratory motion device, and thus moves the position waveform within one period to a large width. Accordingly, when an external shock occurs, it affects the magnitude of the highest point or the lowest point of the position waveform of one cycle.

Therefore, the external shock can be detected by measuring the highest point and the lowest point of the position waveform in one cycle after the external shock is generated and comparing it with the highest point and the lowest point of the position waveform in one cycle before the external shock is generated.

Further, according to another embodiment of the present invention, when the position waveform of the diaphragm is, for example, a sine wave, the average value of the position of the diaphragm for one period is calculated, so that the average value of the position before the external shock is generated and the average value of the position after the external shock is generated. By comparing these, it is possible to detect whether an external shock has occurred.

That is, when an external shock occurs, the position waveform of the diaphragm changes, and accordingly, the average value of the position during one period also changes, so that it is possible to detect whether the external shock has occurred in the change amount of the average value.

Further, according to another embodiment of the present invention, when the position waveform of the diaphragm is, for example, a sinusoidal wave, the position value of the diaphragm at any point of time (n is an arbitrary natural number) for any one period is calculated. Thus, by comparing the position value before the external shock occurrence and the position value after the external shock occurrence, it is possible to detect whether or not the external shock has occurred.

That is, after detecting the position waveform of the diaphragm by a position sensor etc., the average value of the position of the diaphragm for one period is calculated as follows based on the detected position waveform.

(13)

(13)

In this manner, by comparing the average value of the diaphragm position before the external shock and the average value of the diaphragm position after the external shock, it is possible to detect whether or not the external impact has occurred.

Next will be described in detail with respect to the drive control method of the vertical vibration type exercise apparatus according to an embodiment of the present invention.

5 is a view showing a process of the drive control method of the vertical vibration type exercise apparatus according to an embodiment of the present invention.

While the vertical vibratory motion device is being driven, the positional information of the diaphragm, for example, the position waveform of the diaphragm with time, is detected by the position sensor or the like in the positional information detecting step S100. That is, a function of the diaphragm position with respect to time is detected.

Next, in the data calculating step S200, data, for example, the highest value and the lowest value of the position of the diaphragm are calculated for each preset period based on the position waveform of the diaphragm detected in the position information detecting step S100. Here, the preset period is preferably one cycle.

Alternatively, the average value of the position of the diaphragm may be calculated for each preset period based on the position waveform of the diaphragm as the data. Further, based on the position waveform of the diaphragm, the position values at any time of n pieces (n is an arbitrary natural number) may be calculated for each preset period.

Next, in the data change amount calculation step S300, the data calculated in the data calculation step S200 are compared with each other, and the change amount d, that is, the difference is calculated.

Next, in the determination step S400, it is determined whether the change amount d calculated in the data change amount calculation step S300 exceeds a preset value d _c . If it is determined that the change amount d exceeds the preset value d _c , the power is turned off (S500), and if it is determined that the change amount d does not exceed the preset value d _c , the location information Returning to the detection step S100, the position waveform of the diaphragm is detected again.

As described above, when a change occurs in the position waveform of the diaphragm, the amount of change is detected, and when the detected change amount exceeds a preset value, it is judged that an impact is applied to the diaphragm from the outside and the power of the driving unit is turned off, thereby providing a vertical vibration type. It is possible to prevent the malfunction of the exercise device and to improve the safety of the user.

6 is a view showing a schematic configuration of a drive control device of a vertical vibration type motion device according to an embodiment of the present invention.

The position sensor 20 detects position information of the diaphragm 10, for example, a position waveform, and transmits the detected position waveform to the control device 30.

The control device 30 detects a change in the position waveform based on the position waveform transmitted from the position sensor 20, and determines whether an impact is applied to the diaphragm from the outside based on the detected position waveform change. If it is determined that an impact is applied from the outside, the drive current supplied to the drive unit 40 is cut off.

FIG. 7 is a view showing the detailed configuration of the control device 30 of the drive control device of the vertical vibration type motion device according to an embodiment of the present invention.

The data calculator 32 calculates the highest and lowest values of the data, for example, the position of the diaphragm, at predetermined periods based on the position information received from the position sensor 20, for example, the position waveform.

Alternatively, the data calculator 32 may calculate an average value of the position of the diaphragm at each preset period based on the position waveform of the diaphragm, and also, n may be calculated for each preset period based on the position waveform of the diaphragm. It is also possible to calculate the position value at any point of time (any natural number).

Next, the data change amount calculator 34 calculates a change amount d, that is, a difference between the data calculated by the data calculator 32.

Next, the determination unit 36 determines whether the amount of data change calculated by the data change amount calculating unit 34 exceeds a preset value. If it is determined that the amount of change exceeds the preset value, the current supply unit 38 is instructed to cut off the drive current supplied to the drive unit.

As described above, when a change occurs in the position waveform of the diaphragm, the amount of change is detected, and when the detected change amount exceeds a preset value, it is judged that an impact is applied to the diaphragm from the outside and the power of the driving unit is turned off, thereby providing a vertical vibration type. It can prevent the exercise device from failing and promote the safety of the user.

The following describes a position sensor used in an embodiment of the present invention.

8A is a diagram illustrating a detailed configuration of the position sensor 20 used in one embodiment of the present invention.

The position sensor 30 according to an exemplary embodiment of the present invention includes a light emitter 12, a light receiver 14, an operational amplifier (OP-AMP) 16, and a filter 18.

The light emitting unit 12 irradiates, for example, infrared rays with the diaphragm 10, and the irradiated infrared rays are reflected by the diaphragm 10 and return to the light receiving unit 14.

The light receiving unit 14 measures the amount of infrared light reflected by the diaphragm 10, and changes the output current according to the measured amount of light. That is, the light receiving unit 14 outputs an output current proportional to the amount of light of the reflected infrared light. Here, the amount of reflected infrared light is inversely proportional to the distance between the diaphragm 10 and the position sensor 20, so that the output current of the position sensor 20 becomes a function of the distance as shown in FIG. 2B. Using this relationship, the position sensor 20 may detect the position of the diaphragm 10. In this case, it is preferable that the light emitting part 12 is comprised using an infrared diode, and the light receiving part 14 is comprised using an infrared transistor. When the light emitting unit 12 and the light receiving unit 14 are each configured using an infrared diode and an infrared transistor, there is an advantage in that the position sensor 10 can be configured at a low cost.

The operational amplifier 16 amplifies and outputs the output current transmitted from the light receiving unit 14 to the filter, and the filter 18 removes a noise component of the output current transmitted from the operational amplifier to control the device 30 of the vertical vibration type exercising apparatus. To send).

In addition, the control device 30 of the vertical vibrating exercise device is a database unit as a table with the amount of infrared light received by the light receiving unit 14 of the position sensor 20 and the distance between the corresponding diaphragm 10 and the position sensor 20 as a table. The distance between the diaphragm 10 and the position sensor 20 corresponding to the amount of infrared light transmitted from the light receiving portion of the position sensor 20 can be read and calculated from the table.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

The present invention has the effect of preventing the failure of the vertical vibrating exercise device and promoting the safety of the user by driving the vertical vibrating exercise device so as to detect the impact applied from the outside of the vertical vibrating exercise device and respond appropriately thereto.

Claims (20)

In the drive control method of the vertical vibration type exercise apparatus comprising a vibration plate, a bottom support portion fixed to the ground, and a drive portion provided between the vibration plate and the bottom support portion for transmitting vertical vibration to the vibration plate, (a) detecting position information of the diaphragm while driving the vertical vibrating exercise device; (b) detecting a change in the location information; (c) determining whether an impact is applied to the diaphragm from the outside based on the detected change of the position information; (d) turning off the power of the driving unit when it is determined that an impact is applied from the outside; Driving control method of the vertical vibration type motion device comprising a. The method of claim 1, The position information is a position waveform of the diaphragm over time. Drive control method of vertical vibration type motion device. The method of claim 2, Detecting a change in the location information (b) Calculating data for each preset period of time based on the position waveform, and calculating a change amount between the calculated data, (C) determining whether an impact is applied to the diaphragm from the outside; When the calculated amount of change exceeds a preset value, it is determined that an impact is applied from the outside. Drive control method of vertical vibration type motion device. The method of claim 3, The data are the highest and lowest values of the position of the diaphragm Drive control method of vertical vibration type motion device. The method of claim 3, The data is an average value of the position of the diaphragm Drive control method of vertical vibration type motion device. The method of claim 3, The data is n (n is any natural number) position values at any time point. Drive control method of vertical vibration type motion device. The method of claim 2, The waveform is a sinusoidal wave of arbitrary amplitude and frequency Drive control method of vertical vibration type motion device. The method of claim 3, The preset period is one cycle Drive control method of vertical vibration type motion device. The method of claim 1, Detecting the position information of the diaphragm (a) Irradiating light onto the diaphragm; Measuring the amount of light reflected from the diaphragm; Detecting position information of the diaphragm based on the measured amount of light Driving control method of the vertical vibration type motion device comprising a. In the drive control device of the vertical vibration type exercise apparatus comprising a diaphragm, a bottom support portion fixed to the ground, and a drive portion provided between the diaphragm and the bottom support portion to transmit vertical vibration to the diaphragm. Position information detecting means for detecting position information of the diaphragm while driving the vertical vibratory motion device; Position information change detection means for detecting a change in the position information; External impact determination means for determining whether an impact is applied to the diaphragm from the outside based on the detected change of position information; When it is determined that an impact is applied from the outside, the power cut-off means for turning off the power of the drive unit Drive control device of the vertical vibration-type exercise apparatus comprising a. The method of claim 10, The position information is a position waveform of the diaphragm with time Drive control device of vertical vibratory motion device. The method of claim 11, The position information change detecting means includes data calculating means for calculating data for each predetermined period based on the position waveform, and change amount calculating means for calculating a change amount between the calculated data, The external shock determination means determines that an impact is applied from the outside when the calculated amount of change exceeds a preset value. Drive control device of vertical vibratory motion device. The method of claim 12, The data are the highest and lowest values of the position of the diaphragm Drive control device of vertical vibratory motion device. The method of claim 12, The data is an average value of the position of the diaphragm Drive control device of vertical vibratory motion device. The method of claim 12, The data is n (n is any natural number) position values at any time point. Drive control device of vertical vibratory motion device. The method of claim 11, The waveform is a sinusoidal wave of arbitrary amplitude and frequency Drive control device of vertical vibratory motion device. The method of claim 12, The preset period is one cycle Drive control device of vertical vibratory motion device. The method of claim 10, The position information detecting means includes a position sensor Drive control device of vertical vibratory motion device. The method of claim 18, The position sensor has a light emitting portion and a light receiving portion, The light emitting unit irradiates light to the diaphragm, The light receiving unit measures an amount of light reflected from the diaphragm and detects position information of the diaphragm based on the measured amount of light. Drive control device of vertical vibratory motion device. The method of claim 19, The light emitting unit is an infrared diode, The light receiving unit is an infrared transistor Drive control device of vertical vibratory motion device.

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