KR20160072292A - Motor driving device and method for driving motor - Google Patents

Motor driving device and method for driving motor Download PDF

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Publication number
KR20160072292A
KR20160072292A KR1020140179037A KR20140179037A KR20160072292A KR 20160072292 A KR20160072292 A KR 20160072292A KR 1020140179037 A KR1020140179037 A KR 1020140179037A KR 20140179037 A KR20140179037 A KR 20140179037A KR 20160072292 A KR20160072292 A KR 20160072292A
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KR
South Korea
Prior art keywords
motor
type
unit
driving
control
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Application number
KR1020140179037A
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Korean (ko)
Inventor
김민수
강한별
유화웅
최철훈
Original Assignee
삼성중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020140179037A priority Critical patent/KR20160072292A/en
Publication of KR20160072292A publication Critical patent/KR20160072292A/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/04—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors by means of a separate brake
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/10—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors for preventing overspeed or under speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/20—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors for controlling one motor used for different sequential operations

Abstract

The present invention relates to an apparatus and method for driving a motor, and more particularly, to a motor driving apparatus and method for controlling a motor, comprising: a controller for outputting a control signal for controlling a motor according to a type of the motor; A driving unit for outputting a driving signal to each phase of the motor in accordance with a control signal output from the control unit; And a connector having an identification signal line for connecting the control unit and the drive unit and providing an identification signal according to the type of the motor from the drive unit to the control unit.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a motor driving apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an apparatus and method for driving a motor, and more particularly, to a motor driving apparatus and method for driving a motor by type of motor.

A servo motor is used as a device for driving the load. The servomotor is driven by a motor driver. Servo motors are classified into brushless direct current (DC) motors such as direct current (DC) motors, brushless direct current (BLDC) motors, and permanent magnet synchronous , BLDC) motors.

In order to drive different kinds of motors, the algorithm according to each motor should be applied. Therefore, it is usually necessary for the user to input to the motor driver through communication or other operation which motor is to be connected and driven. However, if the operator erroneously sets the type of the motor incorrectly, the efficiency of the motor may be lowered or a motor malfunction may occur. If a dedicated motor driver that can be used for a particular type of motor is used, it can not be used for other types of motors and can not be replaced by other motor drivers, so its utilization is low.

An object of the present invention is to provide a motor drive apparatus and method capable of automatically recognizing the type of motor and driving the motor.

Another problem to be solved by the present invention is to provide a motor drive apparatus and method capable of driving a motor by setting a type of motor without any special operation or software processing by a user.

The problems to be solved by the present invention are not limited to the above-mentioned problems. Other technical subjects not mentioned will be apparent to those skilled in the art from the description below.

According to an aspect of the present invention, there is provided a motor drive apparatus including: a controller for outputting a control signal for controlling the motor according to a type of a motor; A driving unit for outputting a driving signal to each phase of the motor in accordance with a control signal output from the control unit; And a connector having an identification signal line connecting the control unit and the drive unit and providing an identification signal according to the type of the motor from the drive unit to the control unit.

The connector may include a plurality of identification signal lines, and the driving unit may provide different identification signals to the control unit through a plurality of identification signal lines for each type of the motor.

The control unit may include a motor type recognizing unit that recognizes the type of the motor according to an identification signal provided from the driving unit through the connector.

The control unit may further include a plurality of control modules for controlling the plurality of motors of different types, and the control unit may output the control signal to the driving unit by a control module corresponding to the type of the motor among the plurality of control modules .

The plurality of different types of motors may include at least two of a DC motor, a brushless DC motor, and a permanent magnet synchronous motor.

The motor driving apparatus may further include a motor type indicating unit for indicating the type of the motor in different patterns in different types of the motors.

According to another aspect of the present invention, there is provided a method of controlling a motor, comprising: providing a control signal to a driving unit for outputting a driving signal to each phase of the motor; And the control unit recognizing the type of the motor according to the identification signal and providing a control signal for controlling the motor according to the type of the recognized motor to the driving unit.

The motor driving method comprising: the driving unit outputting a driving signal to each phase of the motor in accordance with the control signal; And displaying the type of the motor in a different pattern for each type of the motor.

According to the embodiment of the present invention, the motor can be driven by automatically recognizing the type of the motor.

Further, according to the embodiment of the present invention, the motor can be driven by setting the type of the motor without any additional operation or software processing by the user.

The effects of the present invention are not limited to the effects described above. Unless stated, the effects will be apparent to those skilled in the art from the description and the accompanying drawings.

1 is a configuration diagram of a motor driving apparatus according to an embodiment of the present invention.
2 is a block diagram illustrating a motor driving apparatus according to an embodiment of the present invention in more detail.
3 is a block diagram illustrating a driving unit of a motor driving apparatus according to an embodiment of the present invention in more detail.
4 is a flowchart of a motor driving method according to an embodiment of the present invention.

Other advantages and features of the present invention and methods for accomplishing the same will be apparent from the following detailed description of embodiments thereof taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and the present invention is only defined by the scope of the claims. Although not defined, all terms (including technical or scientific terms) used herein have the same meaning as commonly accepted by the generic art in the prior art to which this invention belongs. A general description of known configurations may be omitted so as not to obscure the gist of the present invention. In the drawings of the present invention, the same reference numerals are used as many as possible for the same or corresponding configurations.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises", "having", or "having" are intended to specify the presence of stated features, integers, steps, operations, components, Steps, operations, elements, parts, or combinations thereof, whether or not explicitly described or implied by the accompanying claims.

A motor driving apparatus according to an embodiment of the present invention includes a controller for outputting a control signal for controlling a motor according to a type of a motor; A driving unit for outputting a driving signal to each phase of the motor in accordance with a control signal output from the control unit; And a connector having an identification signal line connecting the control unit and the drive unit and providing an identification signal according to the type of the motor from the drive unit to the control unit. According to the embodiment of the present invention, the motor can be driven by automatically recognizing the type of the motor without any additional operation by the user.

1 is a configuration diagram of a motor driving apparatus 100 according to an embodiment of the present invention. Referring to FIG. 1, a motor driving apparatus 100 according to an exemplary embodiment of the present invention includes a controller 110, a driver 120, a connector 130, and a motor type display unit 140. The motor drive apparatus 100 may be provided to drive various types of motors 10. [ The control unit 110 loads a control algorithm for each type of the motor 10 and outputs a control signal for controlling the motor 10 according to the type of the motor 10. [

The control signal generated by the control unit 110 may be provided to the driving unit 120 through the control signal line 111. For example, when the motor 10 is a three-phase brushless direct current (BLDC) motor, the control unit 110 may include a sensor unit 11 for detecting the rotor position of the motor 10, , 'Negative', and 'open' voltage according to a detection signal provided from Hall sensors.

As another example, when the motor 10 is a three-phase brushless alternating current (BLAC) motor such as a permanent magnet synchronous (PMS) motor, the control unit 110 may use absolute phase PWM (Pulse Width Modulation) voltage according to the vector control by using the detection signal of the encoder.

As another example, when the motor 10 is a direct current (DC) motor, the controller 110 may output control signals of single phase voltages ('positive' and 'negative' voltages).

The driving unit 120 drives the motor 10 in response to a command from the control unit 110. That is, the driving unit 120 outputs a single-phase or three-phase driving signal to each phase of the motor 10 in accordance with a control signal output from the control unit 110. The driving unit 120 may include an inverter for converting a direct current into an alternating current according to a gate voltage according to a control signal output from the controller 110 and providing the alternating current to the motor 10. The motor 10 is driven according to a driving signal provided from the driving unit 120.

The driving unit 120 generates different identification signals (for example, '1000', '0010', etc.) for each type of the motor 10 (BLDC motor, DC motor, PMS motor, etc.) And provides it to the control unit 110.

The connector 130 connects the control unit 110 and the driving unit 120 and includes identification signal lines for providing an identification signal according to the type of the motor 10 from the driving unit 120 to the control unit 110.

The sensor unit 11 detects the state of the motor 10 in order to control the driving of the motor 10. The sensor unit 11 may include, for example, a position sensor such as an incremental encoder, an absolute encoder, a Hall sensor, etc., and a velocity sensor.

The sensor section 11 may comprise an incremental encoder, for example, if the motor 10 is a DC motor, and an absolute encoder if the motor 10 is a PMS motor, In the case of a BLDC motor, it may include Hall sensors. The detection signal of the sensor unit 11 is provided to the control unit 110 and the control unit 110 can output a control signal according to the detection signal of the sensor unit 11. [

The motor type display unit 140 displays the type of the motor 10 recognized by the control unit 110. [ The motor type display unit 140 may display the type of the motor 10 in different patterns according to the type of the motor 10. [

2 is a block diagram illustrating the motor driving apparatus 100 according to an embodiment of the present invention in more detail. Referring to FIGS. 1 and 2, the controller 110 may include a motor type recognizing unit 112 and a plurality of different control modules 113. The connector 130 may include a plurality of identification signal lines 131 to 134. The driving unit 120 may output different identification signals for each type of the motor 10 to the control unit 110 through the plurality of identification signal lines 131 to 134.

The motor type recognizing unit 112 recognizes the type of the motor 10 according to an identification signal provided from the driving unit 120 through the connector 130. [ A plurality of control modules 113 are provided for controlling each of a plurality of motors of different types. The plurality of motors of different types may include at least two of a DC motor, a BLDC motor, and a PMS motor.

A control signal may be generated by the control module corresponding to the type of the motor 10 recognized by the motor type recognizing unit 112 and output to the driving unit 120. [ The control unit 110 may include, for example, a control module for controlling the DC motor, a control module for controlling the BLDC motor, and a control module for controlling the PMS motor.

The driving unit 120 includes an identification signal generation unit 121 and an inverter 122. The identification signal generating unit 121 generates different identification signals for each type of the motor 10 so that the controller 110 can recognize the type of the motor 10 and transmits the identification signals to the controller 110 through the connector 130 to provide. The inverter 122 converts a direct current into an alternating current according to a control signal output from the control unit 110 according to the type of the motor 10 to provide a voltage to each phase of the motor 10. [

3 is a block diagram illustrating the driving unit 120 of the motor driving apparatus 100 according to an embodiment of the present invention in more detail. 1 to 3, control signals output from the control unit 110 according to the type of the motor 10 are provided to the inverter 122 of the driving unit 120. The transistors constituting the inverter 122 are turned on / off according to a control signal input to the gate terminal, so that the inverter 122 converts the direct current to alternating current, Can be output.

When the motor 10 is a BLDC motor, the control unit 110 generates a positive, a negative, an open (open) signal according to a detection signal provided from the hall sensors 11a, 11b, ) 'Voltage control signal to the six transistors of the inverter 122, and the motor 10 can be driven according to the BLDC motion control.

When the motor 10 is a BLAC motor such as a PMS motor, the control unit 110 uses the detection signals of the absolute value encoders instead of the Hall sensors to control the three-phase PWM voltage control signal to 6 Transistors, and the motor 10 can be driven in accordance with the BLAC motion control.

As another example, when the motor 10 is a single-phase DC motor, the control unit 110 outputs control signals of single phase voltages ('positive' and 'negative' voltages) to four of six transistors of the inverter 122 So that the DC motor can be driven. Although not shown, a gate driver may be additionally provided between the controller 110 and the inverter 122 of the driving unit 120.

The motor driving apparatus 100 according to the embodiment of the present invention may be configured to receive the identification signal provided from the driving unit 120 applied to the motor 10 to the control unit 110 and the motor 10 and the driving unit 120, the type of the motor driver can be automatically recognized and the type of the motor 10 can be automatically set without a separate software procedure to drive the motor 10. [

4 is a flowchart of a motor driving method according to an embodiment of the present invention. 1 and 4, when the driving unit 120 is connected to the control unit 110 by the connector 130, an identification signal according to the type of the motor 10 is transmitted from the driving unit 120 through the connector 130 And is provided to the control unit 110 (S10). That is, the driving unit 120 generates different identification signals for different types of the motors 10 and provides them to the control unit 110.

For example, when the connector 130 is provided with four identification signal lines 131 to 134, the control unit 110 may receive the identification signal as a digital input through the four identification signal lines 131 to 134 . The drive unit 120 supplies a high-level voltage or a low-level voltage (for example, a ground voltage) to each of the four identification signal lines 131 to 134 according to the target motor 10 And outputs an identification signal.

For example, when the target motor 10 is a DC motor, a high level voltage may be applied to the first identification signal line (pin), and a low level voltage may be applied to the remaining second to fourth pins. As another example, when the target motor 10 is a BLDC motor, a high level voltage may be applied to the second pin and a low level voltage may be applied to the remaining first to fourth pins.

When the identification signal is provided from the driving unit 120 to the control unit 110, the control unit 110 recognizes the type of the motor 10 according to the identification signal provided from the driving unit 120 through the connector 130, A control signal for controlling the motor 10 is provided to the driving unit 120 according to the type of the motor 10 (S20).

The control unit 110 generates a control signal by the control module corresponding to the recognized type of the motor 10 and outputs the control signal to the driving unit 120. [ For example, when the motor 10 is a three-phase BLDC motor, the controller 110 may output a three-phase voltage (positive / negative / open) control signal according to a detection signal provided from the hall sensors.

As another example, when the motor 10 is a three-phase BLAC motor such as a PMS motor, the control unit 110 can output a control signal of a three-phase PWM voltage according to vector control using an absolute value encoder. As another example, when the motor 10 is a single-phase direct current (DC) motor, the controller 110 can output a control signal of a single phase voltage (positive / negative voltage).

The control unit 110 can automatically check what type of the motor 10 is mounted without any additional operation and can check the type and operation of the motor 10 and the driving unit 120 without a separate software procedure. The control unit 110 executes an algorithm according to the type of the recognized motor 10 and provides a control signal to the driving unit 120. [

The driving unit 120 outputs a driving signal to each phase of the motor 10 according to a control signal provided from the control unit 110 (S30). The driving unit 120 may convert the direct current into alternating current according to the gate voltage corresponding to the control signal output from the control unit 110 and provide the alternating current to each phase of the motor 10. [ Accordingly, the motor 10 is driven in accordance with the driving signal provided from the driving unit 120.

The motor type display unit 140 displays the type of the motor 10 in a different pattern according to the type of the motor 10 (S40). That is, when the type of the motor 10 is determined by the controller 110, the type of the motor 10 recognized through the display unit such as a light emitting diode (LED) or a liquid crystal display (LCD) is displayed , So that the user of the motor 10 can visually confirm which drive part 120 is connected.

According to the embodiment of the present invention, identification signal lines (connectors) capable of grasping the types of the motor 10 and the driving unit 120 are added between the control unit 110 and the driving unit 120, 10 are provided to the control unit 110 by using different identification signals for different types of the motor 10 so that the motor 10 and the motor 10 can be operated with different identification signals provided for different types of the motor 10. [ The type of the driving unit 120 can be automatically recognized and set and the motor 10 can be driven by operating an algorithm suitable for the motor 10 and the driving unit 120. [

It is to be understood that the above-described embodiments are provided to facilitate understanding of the present invention, and do not limit the scope of the present invention, and it is to be understood that various modifications are possible within the scope of the present invention. It is to be understood that the technical scope of the present invention should be determined by the technical idea of the claims and the technical scope of protection of the present invention is not limited to the literary description of the claims, To the invention of the invention.

10: motor 11: sensor unit
11a, 11b, 11c: Hall sensor 100: Motor driving device
110: control unit 111: control signal line
112: motor type recognizing unit 113: control module
120: driving unit 121: identification signal generating unit
122: inverter 130: connector
131 to 134: identification signal line 140: motor type display section

Claims (5)

A control unit for outputting a control signal for controlling the motor according to the type of the motor;
A driving unit for outputting a driving signal to each phase of the motor in accordance with a control signal output from the control unit; And
And a connector having an identification signal line connecting the control unit and the drive unit and providing an identification signal according to the type of the motor from the drive unit to the control unit. The method according to claim 1,
Wherein the connector includes a plurality of identification signal lines,
Wherein the driving unit provides different identification signals to the control unit through a plurality of identification signal lines for each type of the motor. The method according to claim 1,
And the control unit includes a motor type recognizing unit that recognizes the type of the motor in accordance with an identification signal provided from the driving unit through the connector. The method of claim 3,
Wherein the control unit further comprises a plurality of control modules for controlling each of a plurality of motors of different types,
And outputs the control signal to the driving unit by a control module corresponding to the type of the motor among the plurality of control modules. The method of claim 3,
Further comprising a motor type indicating portion for indicating the type of the motor in different patterns different from each other by the type of the motor.
KR1020140179037A 2014-12-12 2014-12-12 Motor driving device and method for driving motor KR20160072292A (en)

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KR1020140179037A KR20160072292A (en) 2014-12-12 2014-12-12 Motor driving device and method for driving motor

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KR1020140179037A KR20160072292A (en) 2014-12-12 2014-12-12 Motor driving device and method for driving motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102115965B1 (en) * 2019-02-01 2020-05-27 김선아 A vending machine using multi step-motor control
CN114630732A (en) * 2019-11-04 2022-06-14 株式会社乐博益思 Drive part linkage module and method of robot system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102115965B1 (en) * 2019-02-01 2020-05-27 김선아 A vending machine using multi step-motor control
CN114630732A (en) * 2019-11-04 2022-06-14 株式会社乐博益思 Drive part linkage module and method of robot system

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