KR20070105070A - Frequency dependence model auto array supply system and method for control - Google Patents

Abstract

A frequency tracking auto arrange system and a controlling method thereof are provided to ensure a stable voltage and frequency by controlling a vibration frequency using a frequency pulse width modulation. A frequency tracking type auto arrange system includes a feeder(200) and a controller(100). The feeder supplies a voltage for vibrating a vibration member according to a frequency of a DC(Direct Current) source voltage and supplies a vibration sensing signal according to the vibration of the vibration member. The controller rectifies an AC(Alternating Current) voltage to a DC voltage, calculates a vibration frequency, a source voltage, and a resonance frequency according to the vibration sensing signal from the feeder, and controls vibration of the feeder by adjusting a frequency pulse width of the DC voltage according to the resonance frequency.

Description

Frequency dependence model auto array supply system and method for control

1 is a view for explaining a frequency tracking type automatic alignment supply system according to a preferred embodiment of the present invention

2 is a view for explaining a connection structure between control devices according to a preferred embodiment of the present invention;

3 is a block diagram for explaining the function of a control device according to an embodiment of the present invention;

4 is a flowchart for explaining a control method of a frequency tracking type automatic alignment supply system according to a preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

100: controller 110: power input unit

120: rectifier 130: PWM driver

140: overheat / overcurrent detector 150: PWM controller

160: control input unit 170: central processing unit

180: feedback sensor input unit 190: setting / display unit

The present invention relates to a frequency following automatic alignment supply system and a control method thereof.

Today, production lines that produce a variety of products tend to change based on automated lines due to unnecessary production costs due to high wages, lower productivity and higher defect rates due to manual labor.

For example, the cost of production through automated equipment such as ball feeders, hopper feeders, inline feeders, etc., which are applied in the automatic alignment and feeding process of parts on the production line of the product. The trend is to reduce costs.

However, a control device for supplying power to a general component feeder and controlling a vibration frequency is merely a method of applying a power source and a vibration frequency selected by an administrator to the component feeder.

Since this general automatic alignment supply system simply controls the vibration frequency of the feeder according to the vibration frequency selected by the manager, it is impossible to precisely control the vibration frequency of the feeder due to the environmental factors of the production line. There is a hassle to control the vibration frequency according to this resonance frequency.

Therefore, the present invention has been proposed to solve the above problems, it is possible to automatically set the resonance point according to the vibration frequency set by the administrator in the automatic alignment supply system, without controlling the vibration frequency in the frequency generation method, SUMMARY OF THE INVENTION An object of the present invention is to provide a frequency following type automatic alignment supply system and a control method thereof capable of ensuring a stable output voltage and frequency by controlling a vibration frequency by a frequency pulse width modulation method.

Frequency tracking type automatic alignment supply system according to an aspect of the present invention for achieving the above object, applying a voltage for the vibration member to vibrate in accordance with the frequency of the DC power supplied, the feedback member is provided on the vibration member, The feedback sensor senses the vibration of the vibration member to provide a vibration sensing signal, rectifies the AC power input from the external power supply terminal into DC power, the vibration frequency and supply power selected by the manager, and the vibration provided from the feeder. And a control device for calculating the resonance frequency according to the sensing signal and controlling the vibration of the feeder by varying the frequency pulse width of the DC power supply according to the resonance frequency.

The control device according to the present invention includes a rectifying unit for rectifying the AC power source into a DC power source, a PWM driving unit for varying the frequency pulse width of the DC power source according to a pulse width modulation (PWM) scheme, and an overheating detecting overcurrent / overheat of the feeder. / Over current detection unit, a feedback sensor input unit for receiving a vibration sensing signal from the feedback sensor, and a vibration control signal including at least one or more information of the vibration frequency value, DC power value, operating state information selected by the administrator, and automatically A resonant frequency value and a DC power value are calculated according to a setting / display unit for outputting status information of the alignment supply device, a vibration control signal provided from the setting / display unit, and a vibration sensing signal to provide a vibration signal, and overheat / overcurrent When an overheat / overcurrent of the feeder is detected through the detector, a central processing unit for stopping the output of the DC power supply and a By controlling the PWM driving unit according to a signal and a PWM control for varying a frequency of DC power.

The control device according to the present invention further includes a control input unit for receiving a vibration control signal from an external device or a master control device, and the central processing unit calculates a resonance frequency value and a DC power value according to the vibration control signal received from the control input unit. To provide a vibration signal.

The central processing unit according to the present invention stops the output of the DC power when a stop signal transmitted from the master controller to the plurality of slave controllers is received through the control input unit, and resumes the output of the DC power when the operation signal is received.

The central processing unit according to the present invention locks the resonance frequency when a predetermined time elapses after calculating the resonance point according to the resonance frequency value and the DC power supply value.

According to another aspect of the present invention, the frequency tracking type automatic alignment supply system applies a voltage for vibrating the vibrating member according to the frequency of the supplied DC power supply, and the feedback member is provided on the vibrating member so that the feedback sensor is provided with the vibration member. A feeder that senses vibration and provides a vibration sensing signal, rectifies AC power input from an external power supply terminal into a DC power source, and determines an aging or problem of the feeder according to the stability of the vibration sensing signal provided from the feeder, thereby resonating frequency value. And a controller for calculating a DC power value and applying the resonant frequency and DC power to the feeder by varying the frequency pulse width of the DC power.

According to another aspect of the present invention, there is provided a control method of a frequency tracking type automatic alignment supply system, the control apparatus rectifying AC power input from an external power supply terminal into a DC power source, and the control device may select a vibration frequency selected by an administrator. Providing a DC power supply to the feeder according to the supply power, and vibrating the vibration member according to the frequency of the DC power supply feeder, the feedback sensor provided in the vibration member senses the vibration of the vibration member to control the vibration sensing signal Providing the feeder to the apparatus, and supplying the feeder by calculating a resonance frequency according to the vibration sensing signal provided from the feeder, and varying the frequency pulse width of the DC power supply according to the resonance frequency.

The control method of the frequency tracking type automatic alignment supply system according to the present invention includes detecting an overcurrent / overheat of a feeder, and stopping an output of a DC power supply when displaying an overcurrent / overheat of a feeder, and displaying error information. It includes more.

The control method of the frequency tracking type automatic alignment supply system according to the present invention includes the steps of: calculating a resonance frequency value and a DC power value according to the vibration control signal when a vibration control signal is received from an external device or a master controller; The method may further include stopping the output of the DC power when the stop signal is received from the master controller or the manager, and resuming the output of the DC power when the operation signal is received.

The control method of the frequency tracking type automatic alignment supply system according to the present invention further includes the step of locking the resonance frequency when a predetermined time elapses after calculating the resonance point according to the resonance frequency value and the DC power supply value.

In the step of varying the frequency pulse width according to the present invention, the frequency pulse width is sequentially changed according to the received vibration sensing signal to calculate a resonance frequency value.

In the control method of the frequency tracking type automatic alignment supply system according to the present invention, if the administrator adjusts the volume to change the DC power supply or the frequency pulse width of the control device while driving the feeder, the resonance according to the vibration sensing signal received from the feedback sensor Stopping the frequency calculation for a predetermined time and resuming again.

Hereinafter, with reference to the accompanying drawings, a frequency tracking type automatic alignment supply system and a control method thereof according to the present invention will be described in detail.

1 is a view for explaining a frequency tracking type automatic alignment supply system according to a preferred embodiment of the present invention.

As shown in Figure 1, the control device 100 and the feeder 200 of the automatic alignment supply system according to the present invention is connected by a plurality of signal lines (OUT-DC, FB-SEN, SOL, SEN), the control The device 100 receives an external AC power and receives a control signal from the external device or another control device through the signal line EXS.

The control apparatus 100 includes a main body 10 including adjusting means for the administrator to select a vibration frequency, a supply power and a function, and a display means for displaying a set vibration frequency, a current vibration frequency, a supply power, a resonance frequency, and the like. It is provided.

Body 10 is made of steel (Steel) material can be implemented with a thickness of more than 1.2mm.

In addition, the wiring between the sensor module and the lead terminal between the control device 100 and the feeder 200 is implemented in a Molex pin type, and the signal line FB-SEN of the feedback sensor 240 is a flexible wiring with a shield. Implement

In addition, each signal line between the control device 100 and the feeder 200 is firmly processed so that the connected portion does not move, and displays the color of the wire for easy identification in order to display the insulation and phase polarity of the signal line. Rexpin is implemented to have more than about 10% spare terminal.

The feeder 200 is connected to the driving member 220 driven by the frequency pulse of the supplied DC power, the driving member 220 and the vibration arm 230, and vibrates up and down according to the driving of the driving member 200. The vibration member 210 is provided.

The vibration member 210 of the feeder 200 is provided with a tightly mounted feedback sensor 240, the feedback sensor 240 senses the vibration of the vibration member 210 to transmit a vibration sensing signal to the control device 100. send.

The feedback sensor 240 is preferably installed so as not to fall from the vibration member 210 in consideration of the vibration direction of the vibration member 210.

Hereinafter, the description of the control unit 100 and the detailed structure of the feeder 200 of the automatic alignment supply system that deviate from the scope of the present invention will be omitted.

The control device 100 has an input terminal for receiving AC power of 110V / 220V from an external power supply terminal, and receives AC power of 110V / 220V from an external power supply terminal.

The control device 100 rectifies the input AC power to a DC voltage according to a supply power value set by an administrator and applies the signal through the signal line OUT-DC connected to the feeder 200.

The feedback sensor 240 transmits the vibration sensing signal to the control device 100 through the signal line FB-SEN connected to the control device 100.

The feeder 200 is provided with a solenoid, detects an overcurrent and transmits an overcurrent detection signal to the control device 100 to the signal line SOL, and detects whether or not a component that is automatically aligned supplied is overflowed. The detection signal is transmitted to the signal line SEN connected to the control device 100.

In addition, the control device 100 may be connected to a plurality of other control devices 100 to synchronize at the same vibration frequency, respectively, to simultaneously control the vibrations of the plurality of feeders 200.

2 is a view for explaining a connection structure between control devices according to a preferred embodiment of the present invention.

2A illustrates that one master controller 100-1 transmits a synchronization signal to a plurality of slave controllers 100-2 to 100-5, thereby synchronizing vibration frequencies between the respective controllers 100. FIG. 2B is a diagram illustrating a plurality of control devices 100 synchronizing vibration frequencies by receiving control signals from the outside.

As shown in FIG. 2A, the master controller 100-1 transmits a vibration signal according to the vibration frequency and the supply power selected by the manager to the feeder 200, and transmits the vibration control signal to the slave controller 100-2. Transmit signal line (SYNC) connected to ~ 100-5).

In this case, the vibration control signal may include information such as a resonant frequency pulse value according to the resonance point calculated by the master controller 100-1 and a power supply value, and stop / run according to the operating state of the feeder 200. Status information and the like.

Each slave controller 100-2 to 100-5 controls the vibration of the feeder 200 connected according to the vibration control signal input through the external signal line EXS.

Therefore, the plurality of control devices 100 to control the feeder 200 with the same vibration frequency and power supply.

When the vibration of the feeder 200 is stopped / operated, the master controller 100-1 transmits a stop / operation control signal to each slave controller 100-2 to 100-5, thereby controlling each controller 100. ) To control the operation of the feeder 200 at the same time.

On the other hand, as shown in Figure 2b, a plurality of control device 100 is connected to an external device (not shown), that is, a feeder connected via an external signal line (EXS) from an external device that the administrator separately inputs a vibration control signal ( By controlling the vibration of the 200, each control device 100 controls the vibration of the feeder 200 at the same vibration frequency and supply power.

Each control device 100 controls the operation of the feeder 200 by the control device 100 at the same time according to a stop / operation control signal input by an administrator from an external device.

3 is a block diagram for explaining the function of the control device according to an embodiment of the present invention.

Referring to FIG. 3, the control device 100 according to the present invention includes a power input unit 110, a rectifier 120, a PWM driver 130, a PWM controller 150, an overheat / overcurrent detector 140, and a control input unit. 160, a central processing unit 170, a setting / display unit 190, and a feedback sensor input unit 180.

The power input unit 110 is connected to an external power terminal to receive 110V / 220V AC power.

The rectifier 120 rectifies the AC power to the DC power, and the PWM driver 130 modulates the frequency pulse width of the DC power rectified by the rectifier 120 according to the PWM method.

That is, the PWM driver 130 controls the vibration frequency of the feeder 200 by varying the frequency pulse width of the input frequency of 50Hz / 60Hz input.

The control input unit 160 or 160 receives the vibration control signal from the external device or the master control device 100-1.

The vibration control signal input by the control input unit 160 or 160 may include information such as a resonant frequency pulse value and a power supply value, and may include stop / operation state information according to an operation state of the feeder 200. Can be.

The setting / display unit 190 includes a plurality of keys and a display means such as a liquid crystal display (LCD) or a light emitting diode (LED), a 7-segment, or the like, and a vibration control signal according to a vibration frequency and a power supply selected by an administrator. Is provided to the central processing unit 170, and outputs the current state of the control device 100 (vibration frequency, functional state, etc. of the feeder 200).

The setting / display unit 190 provides a corresponding key signal when the administrator selects a volume up key or a volume down key for adjusting the frequency pulse width or the DC voltage magnitude.

Vibration control signal provided to the central processing unit 170 according to the vibration control signal received from the external device or the master control device 100-1 described above, and the vibration frequency and supply power selected by the administrator through the setting / display unit 190. The signal may include the same kind of information such as frequency value, power value, stop / operation state information, and the like.

The feedback sensor input unit 180 receives the vibration sensing signal through the signal line FB-SEN from the feedback sensor 240 provided in the feeder 200 and transmits the vibration sensing signal to the central processing unit 170.

The central processing unit 170 calculates a resonance frequency according to the vibration control signal received through the control input unit 160 or the vibration control signal input from the setting / display unit 190 and the vibration sensing signal input from the feedback sensor 240. To transmit the vibration signal to the PWM controller 150.

In addition, when the manager selects a key of the setting / display unit 190 to change the DC power or the frequency pulse width while the feeder 200 is being driven, the central processing unit 170 may apply to the vibration sensing signal received from the feedback sensor 240. The resonant frequency calculation is stopped for a predetermined time, and the frequency pulse width and the DC voltage magnitude value are varied according to the key selected by the administrator.

In addition, the central processing unit 170 calculates the resonance frequency value by sequentially varying the frequency pulse width according to the received vibration sensing signal.

In addition, the central processing unit 170 determines the aging and problems of the feeder 200 according to the stability of the vibration sensing signal received from the feedback sensor 240.

That is, the central processing unit 170 may cause aging and problems in the feeder 200 when a difference in signal values between the vibration sensing signals received from the feedback sensor 240 increases rapidly or a large difference from the reference signal values occurs. You can judge.

The PWM controller 150 controls the PWM driver 130 according to the received vibration signal to vary the frequency pulse width of the output DC power so that the feeder 200 vibrates at a constant resonance point.

That is, the feedback sensor 240 of the feeder 200 senses a vibration that varies depending on the weight of the workpiece seated on the vibration member 210, and transmits a vibration sensing signal to the control device 100, and the control device 100. Calculates the resonant point according to the vibration frequency and the vibration frequency set by the manager, and by varying the pulse width of the DC power supply so that the feeder 200 is vibrated at the resonant frequency according to the resonance point, the feeder 200 The vibration is kept constant regardless of the weight of the workpiece.

In this case, the variable frequency pulse width of the DC power supply may vary the frequency pulse width by modulating the PWM sin wave of the output DC power supply.

When the stop signal is received through the control input unit 160, the central processing unit 170 stops the output of the DC power applied to the feeder 200, and when the operation signal is received, the central processing unit 170 of the DC power supplied to the feeder 200 is received. Resume output.

The overheat / overcurrent detector 140 transmits the overcurrent detection signal or the excess detection signal to the central processing unit 170 when the overcurrent detection signal or the excess detection signal is received from the feeder 200.

The overheat / overcurrent detection unit 140 senses the sensors of the feeder 200 in an operating state according to an on / off switch method, a wet contact method (photo coupler, object detection sensor), and a dry contact method (relay, contact switch). Receive an overcurrent detection signal or an excess detection signal.

The central processing unit 170 transmits an overcurrent control signal to the PWM controller 150 when the overcurrent detection signal is received through the overheat / overcurrent detector 140, and the PWM controller 150 controls the PWM driver 130 to be output. Reduce the current in the DC power supply so that the overcurrent is resolved.

When the excess detection signal is received, the central processing unit 170 may display the excess state through the setting / display unit 190.

In addition, the central processing unit 170 monitors the output DC power, the input AC power, and each functional element when the error occurs while outputting the error information according to the setting / display unit 190 to temporarily suspend the DC power output Allow administrators to resolve errors that occur.

In this case, the central processing unit 170 may set an error code for each generated error and output the error code through the setting / display unit 190.

That is, the control apparatus 100 performs monitoring for self-diagnosis, stores the monitored state information in a storage means (not shown), and outputs state information so that an administrator can check the state of the control apparatus 100. .

In addition, the central processing unit 170 calculates the resonance point according to the vibration sensing signal received from the feedback sensor 240, and then outputs a DC power according to the resonance frequency, after determining that the vibration of the feeder 200 has been automatically set. After a predetermined time elapses, it is preferable to automatically lock the resonant frequency so that the supply voltage and the resonant frequency are not changed even when a key of the setting / display unit 190 is operated due to immature operation of the manager or other reasons.

In addition, the control device 100 according to the present invention may be implemented as a stand-alone type for indoor attachment, and includes a PCB module, a detection / power / frequency instrument, an input power selection switch, an output terminal, a constant amplitude adjustment sensor terminal, and an external driving terminal. It can be implemented as a control panel for fine adjustment of voltage and frequency, a power switch, a driving / control control panel, a status LED, an external sensor LED, and a lock LED.

4 is a flowchart for explaining a control method of a frequency tracking type automatic alignment supply system according to a preferred embodiment of the present invention.

Referring to FIG. 4, the control device 100 of the automatic alignment supply system of the present invention receives 110V / 220V AC power (50Hz / 60Hz) from an external power supply terminal (S 100).

Then, the control device 100 rectifies the input AC power to DC power (S 110).

The control apparatus 100 applies a variable frequency pulse width of the DC power supply to the connected feeder 200 (S120).

The control apparatus 100 detects overcurrent and overheat of the feeder 200, outputs an error state when the overcurrent and overheat of the feeder 200 is detected, and stops supplying DC power applied to the feeder 200. (S 130).

Then, the control device 100 receives the vibration sensing signal from the feedback sensor installed in the feeder 200, calculates the resonance point according to the vibration frequency and the supply power input by the manager, and supplies to the feeder 200 according to the resonance point The frequency pulse width of the DC power supply is varied so that the feeder 200 vibrates at a constant resonance point (S 140).

The control device 100 checks whether the vibration control signal is input from the external device or the master control device 100-1, and when the vibration control signal is input, stops the DC power supplied to the feeder 200 according to the control signal. Supply is controlled to control the operation of the feeder 200 (S 150).

And, the control device 100 displays the current state (feeder 200 operating state, vibration frequency, functional state, etc.), and if an error occurs, by displaying the error state, the administrator checks the current state, as well as problems If occurs, it is possible to solve the problem (S 160).

According to an embodiment of the present invention, the rectifier 120 of the control device 100 rectifies AC power to DC power.

The PWM driver 130 modulates the frequency pulse width of the DC power rectified by the rectifier 120.

That is, the PWM driver 130 controls the vibration frequency of the feeder 200 by varying the frequency pulse width of the input frequency of 50Hz / 60Hz input.

The setting / display unit 190 includes a plurality of keys and display means such as LDC or LED, 7-segment, etc., and provides a control signal to the central processing unit 170 according to the vibration frequency and power supply selected by the administrator. The current state (vibration frequency of the feeder 200, functional state, etc.) of the control apparatus 100 is output.

The feedback sensor input unit 180 receives the vibration sensing signal through the signal line FB-SEN from the feedback sensor 240 provided in the feeder 200 and transmits the vibration sensing signal to the central processing unit 170.

The central processing unit 170 is a vibration control signal received through the control input unit 160 and 160 or a vibration control signal input from the setting / display unit 190 and a resonance according to the vibration sensing signal input from the feedback sensor 240. The frequency is calculated and the resonance frequency signal is transmitted to the PWM controller 150.

In addition, when the manager selects a key of the setting / display unit 190 to change the DC power or the frequency pulse width while the feeder 200 is being driven, the central processing unit 170 may apply to the vibration sensing signal received from the feedback sensor 240. The resonant frequency calculation is stopped for a predetermined time, and the frequency pulse width and the DC voltage magnitude value are varied according to the key selected by the administrator.

In addition, the central processing unit 170 calculates the resonance frequency value by sequentially varying the frequency pulse width according to the received vibration sensing signal.

The PWM controller 150 controls the PWM driver 130 according to the received resonant frequency signal.

That is, the control device 100 transmits a vibration sensing signal to the control device 100 by sensing a vibration that varies depending on the weight of the workpiece seated on the vibration member 210 of the feedback sensor 240 of the feeder 200. The controller 100 calculates a vibration frequency that varies depending on the weight of the work and a resonance point according to the vibration frequency set by the administrator, and adjusts the pulse width of the DC power supply so that the feeder 200 vibrates at the resonance frequency according to the resonance point. By varying, the feeder 200 is to maintain a constant vibration regardless of the weight of the workpiece.

When the stop signal is received through the control input units 160 and 160, the central processing unit 170 stops the output of the DC power applied to the feeder 200, and when the driving signal is received, the central processing unit 170 is applied to the feeder 200. Resume the output of the DC power supply.

The overheat / overcurrent detector 140 transmits the overcurrent detection signal or the excess detection signal to the central processing unit 170 when the overcurrent detection signal or the excess detection signal is received from the feeder 200.

The central processing unit 170 transmits an overcurrent control signal to the PWM controller 150 when the overcurrent detection signal is received through the overheat / overcurrent detector 140, and the PWM controller 150 controls the PWM driver 130 to be output. Reduce the current in the DC power supply so that the overcurrent is resolved.

When the excess detection signal is received, the central processing unit 170 displays the excess state through the setting / display unit 190.

In addition, the central processing unit 170 suspends the DC power output while outputting the error information through the setting / display unit 190 when an error occurs while monitoring the output DC power, the input AC power, and each functional element. So that the administrator can solve the error.

In this case, the central processing unit 170 may set an error code for each generated error and output the error code through the setting / display unit 190.

In addition, the central processing unit 170 calculates a resonance point according to the vibration sensing signal received from the feedback sensor 240, and then outputs a DC power source according to the resonance frequency, and when a predetermined time elapses after it is determined that the automatic setting is performed. It is preferable to automatically lock the resonant frequency so that the supply voltage and the resonant frequency are not changed even when a key of the setting / display unit 190 is operated due to immature operation of the manager or other reasons.

Although the present invention has been described in detail only with respect to the specific examples described, it will be apparent to those skilled in the art that various modifications and changes are possible within the technical scope of the present invention, and such modifications and modifications belong to the appended claims.

As described above, according to the present invention, the resonance point may be automatically set regardless of the weight of the workpiece according to the vibration frequency selected by the manager in the automatic alignment supply system and the vibration state of the feeder.

In addition, by controlling the vibration frequency of the feeder by the frequency pulse modulation method instead of the frequency generation method, the vibration of the feeder can be precisely and stably controlled.

In addition, it is possible to control a plurality of feeders at the same vibration frequency by connecting a plurality of control devices, as well as to control the operating state of the plurality of feeders at the same time.

Claims (12)

In the automatic alignment supply system, A feeder for applying a voltage for vibrating the vibrating member according to the frequency of the supplied DC power source, and having a feedback sensor provided on the vibrating member to sense the vibration of the vibrating member to provide a vibration sensing signal; AC power input from an external power supply terminal is rectified to a DC power supply, and a resonance frequency is calculated according to a vibration frequency and a supply power selected by an administrator, and the vibration sensing signal provided from the feeder, and the DC according to the resonance frequency. And a control device for controlling the vibration of the feeder by varying the frequency pulse width of the power supply. The method of claim 1, wherein the control device, Rectifying unit for rectifying the AC power to DC power, A PWM driver for varying the frequency pulse width of the DC power supply according to a PWM method; An overheat / overcurrent detector for detecting overcurrent / overheat of the feeder; A feedback sensor input unit configured to receive the vibration sensing signal from the feedback sensor; A setting / display unit which provides a vibration control signal including at least one or more information among vibration frequency values, DC power values, and driving state information selected by the manager, and outputs state information of the automatic alignment supply device; A resonance frequency value and a DC power value are calculated according to the vibration control signal provided from the setting / display unit and the vibration sensing signal to provide a vibration signal, and the overheat / overcurrent of the feeder is increased through the overheat / overcurrent detector. A central processing unit which stops outputting the DC power when detected; And a PWM control unit for controlling the PWM driver to vary the frequency of the DC power supply according to the vibration signal provided from the central processing unit. The method of claim 2, wherein the control device, Further comprising a control input unit for receiving a vibration control signal from an external device or a master controller, And the central processing unit calculates the resonance frequency value and the DC power value according to the vibration control signal received from the control input unit to provide the vibration signal. The method of claim 3, wherein the central processing unit, When the stop signal transmitted from the master controller to the plurality of slave controllers is received through the control input unit, the output of the DC power is stopped, and when the operation signal is received, the frequency tracking type automatic alignment supply resumes the output of the DC power. system. The method of claim 1, wherein the central processing unit, And a frequency following type automatic alignment supply system which locks the resonance frequency when a predetermined time elapses after calculating the resonance point according to the resonance frequency value and the DC power supply value. In the automatic alignment supply system, A feeder for applying a voltage for vibrating the vibrating member according to the frequency of the supplied DC power source, and having a feedback sensor provided on the vibrating member to sense the vibration of the vibrating member to provide a vibration sensing signal; AC power inputted from an external power supply terminal is rectified to DC power, and the aging or problem of the feeder is determined according to the stability of the vibration sensing signal provided from the feeder to calculate a resonance frequency value and a DC power value, and the DC And a control device for varying the frequency pulse width of the power supply to apply the resonant frequency and the DC power supply to the feeder. In the control method of the automatic alignment supply system comprising a control device and a feeder, Rectifying, by the controller, AC power input from an external power terminal to DC power; Providing, by the controller, DC power to the feeder according to a vibration frequency and a supply power selected by an administrator; Vibrating the vibration member according to the frequency of the DC power supplied with the feeder, and providing a vibration sensing signal to the control device by sensing a vibration of the vibration member by a feedback sensor provided in the vibration member; The control device calculating a resonance frequency according to the vibration sensing signal provided from the feeder, and varying the frequency pulse width of the DC power supply according to the resonance frequency to supply the feeder. Control method of supply system. The method of claim 7, wherein Detecting overcurrent / overheat of the feeder; And stopping output of the DC power supply and displaying error information when an overcurrent / overheat of the feeder is detected. The method of claim 7, wherein Calculating the resonance frequency value and the DC power value according to the vibration control signal when receiving a vibration control signal from an external device or a master controller; When the stop signal is received from the external device, the master control device or the manager stops the output of the DC power supply, and if the operation signal is received, the step of restarting the output of the DC power supply system further comprises Control method. The method of claim 7, wherein And after the predetermined time has elapsed after calculating the resonance point according to the resonance frequency value and the DC power supply value, locking the resonance frequency. The method of claim 7, wherein varying the frequency pulse width, And controlling the frequency pulse width in sequence according to the received vibration sensing signal to calculate the resonance frequency value. The method of claim 7, wherein If the manager adjusts the volume to change the DC power or the frequency pulse width of the control device during the operation of the feeder stops and resumes the calculation of the resonant frequency according to the vibration sensing signal received from the feedback sensor for a predetermined time. Control method of the frequency tracking automatic alignment supply system further comprising a step.

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