KR101640489B1 - Electro-mechanical actuator for the aircraft with anti-shock function - Google Patents

Electro-mechanical actuator for the aircraft with anti-shock function Download PDF

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Publication number
KR101640489B1
KR101640489B1 KR1020160025392A KR20160025392A KR101640489B1 KR 101640489 B1 KR101640489 B1 KR 101640489B1 KR 1020160025392 A KR1020160025392 A KR 1020160025392A KR 20160025392 A KR20160025392 A KR 20160025392A KR 101640489 B1 KR101640489 B1 KR 101640489B1
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South Korea
Prior art keywords
output shaft
rotation angle
rotation
aircraft
input
Prior art date
Application number
KR1020160025392A
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Korean (ko)
Inventor
하덕주
Original Assignee
주식회사 컨트로맥스
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Priority to KR1020160025392A priority Critical patent/KR101640489B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
    • B64C13/24—Transmitting means
    • B64C13/38—Transmitting means with power amplification
    • B64C13/50—Transmitting means with power amplification using electrical energy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • B64C2700/626—
    • B64C2700/6261—

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric driving apparatus for an aircraft, and more particularly, to an electric driving apparatus for an aircraft, which uses a clutch for transmitting and interrupting power of a driving motor to an output shaft, The output shaft is integrally formed on the other side of the output shaft and the rotation angle of the output shaft rotated by the torque is measured using a rotation sensor for sensing the rotation sensor to smoothly control the output shaft A technical field of an electric drive apparatus for an aircraft having an impact-preventing function is disclosed.
In addition, the present invention relates to an output shaft, which uses a clutch to protect the gear box from an external impact load, an input shaft integrally formed with the output shaft, a rotation sensor provided at an end of the input shaft, The rotation angle information of the output shaft is updated to the control unit by measuring the angle to correct the rotation angle information of the input shaft so that the output shaft can be smoothly controlled even after the external impact load is applied.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electro-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric driving apparatus for an aircraft and more particularly to an electric driving apparatus for an aircraft which uses a clutch for transmitting and interrupting the power of a driving motor to an output shaft, An input shaft having a rotation sensor is integrally formed on the other side of the output shaft and an angle of rotation of the output shaft rotated by the torque is measured using a rotation sensor for sensing the rotation sensor, The present invention relates to an electric driving apparatus for an aircraft having an electric motor.

2. Description of the Related Art Generally, a driving device is a device for operating a machine, a gauge, etc., and in particular, an Actuation System of an airplane operates an aileron, a rudder, a flaperon, And a hydraulic drive system is mainly used.

The hydraulic drive system as described above requires a number of components such as hydraulic oil, hydraulic pump, hydraulic tank, hydraulic cylinder and piping for operation. Therefore, when designing the flight apparatus, Consideration should be given to an increase in the load depending on the weight.

As the recent technology develops, the hydraulic drive system is replaced with an electric actuator that can contribute to the MEA (More Electric Aircraft) of the future aircraft, the weight reduction, and the system reliability improvement. In particular, Unmanned aerial vehicles are in the spotlight.

Korean Patent Registration No. 1494780 discloses an electric driving apparatus for use in an unmanned airplane, which comprises a first motor and a second motor for moving the power of the first motor and the second motor to the output stage through a common gear, Discloses an electric driving apparatus for an aircraft and a control method thereof.

Specifically, the patent includes a communication unit for receiving a control signal related to a flight, a sensing unit for sensing state of the first and second motors to generate state information of the first and second motors, A first control unit for controlling at least one of the first and second motors based on state information of the first and second motors, a control unit for receiving the control signal from the communication unit, And a trigger signal generating unit for generating a trigger signal when a failure occurs in the first control unit, wherein when the trigger signal is generated, the first control unit performs control for the at least one And the second control unit controls the first and second motors so that at least one of them is continuously controlled based on the steering signal being received and the state information of the first and second motors And it characterized in that it controls at least one group.

As described above, the electric drive apparatus transmits the power of the motor to the output end or the output shaft through the gear for operating the steering surface. At this time, after the actuating operation, an aerodynamic load or a disturbance is inputted in the form of an impact load, so that a torque is generated at the output end or the output shaft, and the gear and the motor of the drive unit may be damaged by such torque.

Therefore, the electric drive system should be designed to withstand the impact load sufficiently, but it is difficult to set an accurate load. Therefore, when the excessive shock load is inputted by putting the current limit value in the control unit of the drive unit, It has the function of protecting the driving device even if it can not do.

However, since the electric impact load limitation as described above is not a function to cope with a mechanical impact load, the mechanical load including the gear and the drive motor of the drive unit may be damaged by the applied impact load, Clutch is added to protect the machine against excessive impact load.

As shown in FIG. 1, the conventional function of protecting the mechanical unit includes an input shaft 20 'having a gear 10' to which the power of the drive motor is transmitted, and an input shaft 20 'coupled to one end of the input shaft 20' And a clutch 40 'for separating and coupling the input shaft 20' and the output shaft 30 'so that an impact load applied to the output shaft 30' is transmitted to the clutch 40 ' So that it can not be transmitted to the input shaft 20 '.

That is, when an external impact load other than a predetermined design load is applied to the drive unit, the output shaft 30 'is separated from the gear box including the input shaft 20' by the clutch 40 ', so that the mechanical portion is protected from the impact load .

However, when the output shaft is rotated beyond the expected range due to an unexpected impact load, the drive system can not control the rotation of the output shaft because the output shaft can not be measured by the impact load after the output shaft is separated from the gear box. Problems can arise.

Korean Patent No. 1494780

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems of the related art. In the conventional electric drive apparatus, although the output shaft can be separated from the gear box by the clutch to protect the gear box from the impact load, A problem arises in which the control function is lost. A solution to this problem is formed by integrally forming the output shaft and the input shaft, the gears of the input shaft are separated by the clutch, the rotation sensor is provided at the end of the input shaft, The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an electric driving apparatus for an aircraft having an impact preventing function capable of smoothly controlling the angle of rotation of an output shaft by an impact load using a rotation sensor.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an engine control apparatus and a control method thereof, which are capable of detecting a rotation angle of an output shaft and an output shaft, And a controller for receiving the rotation angle information from the rotation sensor and updating the rotation angle information of the output shaft. The controller corrects the rotation angle of the output shaft input from the input unit based on the updated rotation angle information of the output shaft And an electric drive system for an aircraft having an anti-shock function.

Further, the output shaft of the present invention further includes an input shaft extending from the other end and having a gear to receive the power of the drive motor, wherein the input shaft is rotatable to transmit rotation angle information to the rotation sensor at the other end, And further comprising a sensor.

The present invention provides an electric drive apparatus for an aircraft having an anti-shock function as described above, comprising: an input shaft that is formed integrally with an output shaft while protecting a gear box from an external impact load using a clutch; And the rotation angle of the output shaft is updated by using the rotation sensor for detecting the rotation sensor to update the rotation angle information of the output shaft to the control unit by measuring the rotation angle of the output shaft to smooth the rotation angle information of the input shaft So that the output shaft can be controlled.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side cross-sectional view showing a part of a gear box for impact load mitigation in a conventional drive apparatus; FIG.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electric driving apparatus for an aircraft having an impact-preventing function,
3 is a perspective view of an electric drive apparatus for an aircraft having an impact-preventing function according to a preferred embodiment of the present invention.
4 is a plan sectional view schematically showing the inside of an electric drive apparatus for an aircraft having an impact-preventing function according to a preferred embodiment of the present invention.
5 is a plan sectional view showing a part of a gear box of an electric drive apparatus for an aircraft having an impact-preventing function according to a preferred embodiment of the present invention.
6 is an operational structural view of an electric drive system for an aircraft having an impact protection function according to a preferred embodiment of the present invention.
FIG. 7 is a sectional view of a gearbox portion side of an electric drive system for an aircraft having an impact-preventing function according to a preferred embodiment of the present invention. FIG.
FIG. 8 is a perspective view illustrating an output shaft, an input shaft, and gears of an electric drive apparatus for an aircraft having an impact-preventing function according to a preferred embodiment of the present invention.
9 is an exploded perspective view of an output shaft, an input shaft and a gear of an electric drive system for an aircraft having an impact-preventing function according to a preferred embodiment of the present invention.

The present invention relates to an electric drive system for an aircraft (1), and more particularly to an electric drive system for an aircraft (1) which uses a clutch for transmitting and interrupting the power of the drive motor (10) 20 to prevent the gear and the driving motor from being damaged. The output shaft 20 senses the rotation angle of the output shaft 20 due to an external impact load and transmits the rotation angle to the control unit 50, And the rotation angle of the output shaft 20 inputted from the input unit 100 is corrected based on the rotation angle information of the updated output shaft 20 to the output shaft 20, (Hereinafter referred to as " airbag ").

As described above, the present invention is directed to an electric driving apparatus 1 having a reduced weight and a high system reliability. The electric driving apparatus 1 includes aileron, rudder and flapper, which are used in a driving system of an aircraft (hereinafter, referred to as a 'control surface 2'), and the like, and more particularly, it can be used more efficiently for an unmanned airplane.

2, the electric driving apparatus 1 according to the present invention includes a steering surface 2 of an unmanned or manned aircraft and an output shaft (not shown) which is protruded outside the housing 1a and is rotated by the driving motor 10 20 are organically connected to rotate the steering surface 2. It should be apparent that the present invention is not limited to an aircraft but can be used in any device in which a driving device can be used without departing from the technical idea of the present invention.

In order to accomplish the above object, according to the present invention, there is provided an electric motor comprising: an output shaft rotated by a driving motor; a rotation sensor for sensing a rotation angle of the output shaft; And a clutch (40) for transmitting and interrupting the power of the drive motor (10) to the output shaft (20).

The present invention further includes a control unit (50) for receiving angle information about the rotation of the output shaft (20) by the external impact load from the rotation sensor (30) and updating the rotation angle information of the output shaft (20) And the control unit 50 corrects the rotation angle of the output shaft 20 inputted from the input unit 100 based on the rotation angle information of the updated output shaft 20. [

The output shaft 20 of the present invention further includes an input shaft 60 extending from the other side and having a gear 62 receiving the power of the drive motor 10, 60 further includes a rotation sensor 64 for transmitting rotation angle information to the rotation sensor 30 at the other end.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to FIGS. 1 to 9 showing embodiments of the present invention.

As shown in FIG. 3, the electric driving apparatus 1 of the present invention is provided with a housing 1a for forming an outer shape, and a driving motor 10, a rotation sensor And an output shaft 10 which is driven by the driving motor 10 and one side of which is projected to the outside of the housing 1a, do.

The other end of the housing 1a further includes an interface connector (not shown) connected to the controller 50 to transmit / receive data to / from the external interface, that is, the input unit 100 and supply power.

Specifically, the drive motor 10, which is a main component for achieving the present invention,

The driving shaft 12 rotates the output shaft 20 having one side protruded to the outside of the housing 1a and rotates the driving shaft 12 of the driving motor 10 using a power source supplied from the outside, And the output shaft 20 is rotated by the gear box 80 to operate the steering surface 2 such as the aileron, rudder or flapperon of the aircraft.

The drive motor 10 is connected to the drive shaft 12 and the output shaft 20 by means of the gear box 80 and rotates the output shaft 20 within the rotation error range of the output shaft 20, Thereby rotating the gear assembly (not shown) contained in the box 80.

In addition, rotation of the drive shaft 12 of the drive motor 10 is reduced by the gear ratio of the gear assembly incorporated in the gear box 80, and is output, for example, When the gear ratio of the gear (hereinafter, referred to as "gear 62") is 360: 1 and the required accuracy range of the output shaft 20 is ± 0.5 °, 1 °.

That is, when the user inputs the rotation angle information of the output shaft 20 through the external interface, that is, the input unit 100, the drive motor 10 of the present invention is controlled by the control unit 50, And the output shaft 20 is rotated.

More specifically, as shown in FIG. 6, the driving motor 10 generates a PWM (Pulse Width Modulation) signal from a control and signal processing drive including a DSP (Digital Signal Processor) Phase gate driver for generating a switching signal for the operation of the driving motor 10, and is transmitted to the 3-phase inverter module. The switching signal received from the 3-phase gate driver is supplied with power Phase inverter module that synchronizes and supplies power to the inverter.

The control and signal processing drive senses the rotation angle of the output shaft 20 by the rotation sensor 30 provided on the other side of the output shaft 20 and detects the rotation angle of the output shaft 20, The rotation angle information of the output shaft 20 is transmitted to the control unit 50 to be described later so that the input value input from the input unit 100 can be corrected.

The output shaft 20, which is a main component for achieving the present invention,

When the user inputs the rotation angle information of the output shaft 20 to the input unit 100 as described above, the control unit 50 controls the drive motor 10 And the steering surface 2 is operated in accordance with the rotation of the output shaft 20. [

The input unit 100 inputs the operation value of the control surface 2 by the user and converts the operation value of the control surface 2 into rotation angle information of the output shaft 20 that operates the control surface 2 The control unit 50 drives the drive motor 10 to rotate the output shaft 20 on the basis of the rotation angle information of the output shaft 20 inputted to the control unit 50.

As described above, the output shaft 20 is connected to the drive shaft 12 of the drive motor 10 by the gear box 80 and is rotated. As shown in FIG. 7, That is, the bearing 70 is coupled to the other side of the output shaft 20 so that the output shaft 20 is freely rotatable. The bearing 70 can be coupled with any conventional bearing 70 Therefore, detailed description is omitted.

More specifically, the output shaft 20 of the present invention is provided with a gear 62, one side of which protrudes to the outside of the housing 1a and is extended on the other side, and which receives the power of the driving motor 10 One side of the output shaft 20 protruded to the outside of the housing 1a is connected to the steering surface 2 and the input shaft 60 extended on the other side is connected to the gear box 80, And is rotated by the gear assembly and the gear 62 to rotate the output shaft 20.

1, the input shaft 20 'is connected by the output shaft 30' and the clutch 40 ', so that the power of the drive motor is transmitted and blocked. As a result, the external impact load applied to the steering surface The input shaft 20 'is separated to protect the input shaft 20', the gear box, and the drive motor even if the output shaft 30 'is rotated.

However, the present invention is characterized in that the output shaft 20 and the input shaft 60 are integrally formed, and the gear 62, which is coupled to one side of the input shaft 60 and receives the power of the drive motor 10, The gear box 80 and the drive motor 10 are protected from the torque generated in the output shaft 20 by the external impact load exerted on the steering surface 2 .

That is, since the output shaft 20 of the present invention is integrally formed with the input shaft 60 as shown in FIG. 9, a torque is generated on the output shaft 20 due to an external impact load applied to the steering surface 2 The input shaft 60 is rotated together with the output shaft 20 but the input shaft 60 and the gear 62 are separated by the clutch 40 so that the gear box 80 and the drive motor 10 can be protected It makes it realize.

The input shaft 60 of the present invention includes a rotation sensor 64 for transmitting rotation angle information to a rotation sensor 30 to be described later at the other end. The rotation angle information of the input shaft 60 rotated together with the rotation of the output shaft 20 is transmitted to the rotation sensor 30 through the rotation sensor 64 so that the rotation angle information of the output shaft 20 is transmitted to the control unit And the rotation sensor 30 can be transmitted through the rotation sensor 30.

7, the rotation sensor 30 is provided to be opposed to the rotation sensor 64 so as to detect rotation angle information of the input shaft 60, that is, the output shaft 20 . However, if it is possible for the person skilled in the art to sense the rotation angle information of the output shaft 20 in addition to the configuration of the rotation sensor 64 and the rotation sensor 30, any sensor conventionally used may be used .

The rotation sensor 30, which is a main component for achieving the present invention,

The control unit 50 senses the rotation angle of the output shaft 20 and senses the rotation angle of the output shaft 20 to transmit the rotation angle information of the output shaft 20 to the control unit 50, 20 is updated with the latest information and stored, thereby realizing the effect that the value at which the steering surface 2 is operated by the output shaft 20 can be calculated.

In order to achieve the above-described effects, the rotation sensor 30 of the present invention is installed inside the housing 1a, and is provided at the other end of the output shaft 20, that is, The rotation angle information of the output shaft 20 is sensed by sensing rotation angle information of the input shaft 60 so as to face the rotation sensor 64 provided at the other end of the input shaft 60 formed by the output shaft 20, The rotation angle information of the output shaft 20 is transmitted to the control unit 50 so that the rotation angle information of the output shaft 20, that is, the latest information of the operation of the steering surface 2 can be updated by the control unit 50 .

The clutch 40, which is a key component for achieving the present invention,

The power of the drive motor 10 is transmitted to and disconnected from the output shaft 20 and the input shaft 60 and the gear 62 are brought into contact with and separated from each other so that the torque generated in the output shaft 20 Thereby realizing the effect of preventing the gear 62, the gear box 80 and the drive motor 10 from being damaged.

In this case, it is preferable that the clutch 40 of the present invention uses a bi-directional clutch operated in both directions. This is because, as shown in FIG. 2, when the steering surface 2 is driven by an external impact load such as an aerodynamic load, It is preferable to use the bidirectional clutch so that the gear 62 can be separated from the input shaft 60 in forward and reverse rotation of the output shaft 20 because the output shaft 20 can also be rotated in the forward or reverse direction.

The control unit 50, which is a main component for achieving the present invention,

The rotation angle information of the output shaft 20 is received from the rotation sensor 30 and the rotation angle information of the output shaft 20 is updated by an external impact load. More specifically, The rotation sensor 30 senses the rotation sensor 64 provided at the other end of the input shaft 60 so that the rotation of the input shaft 60 is detected by the rotation sensor 30, That is, the rotation angle of the output shaft 20.

When the rotation sensor 30 transmits the rotation angle information of the output shaft 20 to the control unit 50, the controller 50 updates the rotation angle information of the received output shaft 20 to the latest state, The latest angle is updated and stored or stored.

At this time, when the user inputs the operation value of the steering surface 2 through the input unit 100, the control unit 50 determines that the operation value of the steering surface 2 is a rotation angle of the output shaft 20 through a signal conversion unit such as a transceiver, And then drives the drive motor 10 to rotate the output shaft 20 after passing through a DSP (Digital Signal Processor) of the control unit 50. At this time, the latest rotation angle information of the output shaft 20 is stored The control unit 50 drives the drive motor 10 so as to rotate the output shaft 20 by correcting the value input from the input unit 100. [

For example, when it is assumed that the steering surface 2 is operated at 1 degree in one rotation of the output shaft 20 and the output shaft 20 is rotated one turn at 10 rotation of the drive motor 10, When the first input value is inputted so that the first input value is operated by 5 degrees, the signal is converted so as to rotate the output shaft 20 by 5 rotations, that is, by 1800 degrees and input to the control unit 50, 10 so that the output shaft 20 rotates 5 times and the steering surface 2 is operated by 5 degrees by operating the drive motor 10.

If the control surface 2 is rotated by 3 degrees due to an external impact load, the second input value is set so that the control surface 2 is operated at 10 degrees, that is, 5 degrees from the first input value, The signal is converted so as to rotate the output shaft 20 by 5 rotations, that is, 1800 rotations, and is input to the control unit 50.

However, since the control unit 50 stores the fact that the steering surface 2 has been rotated by 3 degrees due to an external impact load through the rotation sensor 30, the control unit 50 controls the output shaft 20 to rotate the output shaft 20 for 7 rotations, The control unit 10 corrects the two-wheel rotation of the output shaft 20 by five turns and controls the drive motor 10 to rotate the output shaft 20 by seven turns so that the control surface 2 is rotated by ten °.

In addition, the control unit 50 of the present invention can be configured in various forms as long as the driving unit can be operated, and preferably includes a control / signal processing drive including a DSP and a power / And a drive drive.

The present invention is characterized in that the gear assembly of the gear box 80 connected to the gear 62 and the gear 62 and the drive motor 10 of the gearbox 80 using the clutch 40 are connected to the output shaft Protects the output shaft 20 from the torque of the output shaft 20 and transmits the angle of rotation of the output shaft 20 through the rotation sensor 30 to the control unit 50 to update and store the rotation angle information of the output shaft 20, Since the output shaft 20 is controlled by correcting the operation value of the control surface 2 to be inputted after the output shaft 20 is rotated, 2) can be operated.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It is possible to carry out various changes in the present invention.

1: Electric drive device 2:
10: drive motor 20: output shaft
30: rotation sensor 40: clutch
50: control unit 60:
62: gear 64: rotation sensor
70: Bearing 80: Gear box
100: Input unit

Claims (5)

An output shaft 20 rotated by the driving motor 10;
A rotation sensor 30 for sensing a rotation angle of the output shaft 20;
A clutch (40) for transmitting and interrupting the power of the drive motor (10) to the output shaft (20); And
And a control unit (50) for receiving angle information about the rotation of the output shaft (20) by the external impact load from the rotation sensor (30) and updating the rotation angle information of the output shaft (20) Electric drive device for aircraft.
delete The method according to claim 1,
The control unit (50)
Wherein the rotation angle of the output shaft (20) input from the input unit (100) is corrected based on the rotation angle information of the updated output shaft (20).
The method according to claim 1,
The output shaft (20)
And an input shaft (60) extending from the other side and having a gear (62) for receiving the power of the drive motor (10).
5. The method of claim 4,
The input shaft (60)
And a rotation sensor (64) for transmitting rotation angle information to the rotation sensor (30) at the other end of the rotation sensor (30).
KR1020160025392A 2016-03-03 2016-03-03 Electro-mechanical actuator for the aircraft with anti-shock function KR101640489B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101813582B1 (en) * 2017-05-18 2017-12-29 주식회사 컨트로맥스 Electro-mechanical actuator for aircraft of prevent over-load caused by external shock
KR101989161B1 (en) 2019-03-28 2019-06-14 주식회사 컨트로맥스 Electro-mechanical actuator with multiple sensors to prevent malfunction
KR102116859B1 (en) 2019-12-27 2020-05-29 주식회사 컨트로맥스 Jitter prevention system of Electro-mechanical actuator
KR102374805B1 (en) 2021-08-18 2022-03-16 주식회사 컨트로맥스 Electromechanical actuator capable of recognizing and controlling multi-turns
KR102448398B1 (en) 2022-05-17 2022-09-29 주식회사 컨트로맥스 Gear device for output control of electric drive system for aircraft

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001508524A (en) * 1996-02-15 2001-06-26 ケルシ・ヘイズ、カムパニ Electric disc brake operating mechanism
KR101494780B1 (en) 2014-11-27 2015-02-23 국방과학연구소 Electro-mechanical actuator of unmanned aerial vehicle and control method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001508524A (en) * 1996-02-15 2001-06-26 ケルシ・ヘイズ、カムパニ Electric disc brake operating mechanism
KR101494780B1 (en) 2014-11-27 2015-02-23 국방과학연구소 Electro-mechanical actuator of unmanned aerial vehicle and control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101813582B1 (en) * 2017-05-18 2017-12-29 주식회사 컨트로맥스 Electro-mechanical actuator for aircraft of prevent over-load caused by external shock
KR101989161B1 (en) 2019-03-28 2019-06-14 주식회사 컨트로맥스 Electro-mechanical actuator with multiple sensors to prevent malfunction
KR102116859B1 (en) 2019-12-27 2020-05-29 주식회사 컨트로맥스 Jitter prevention system of Electro-mechanical actuator
KR102374805B1 (en) 2021-08-18 2022-03-16 주식회사 컨트로맥스 Electromechanical actuator capable of recognizing and controlling multi-turns
KR102448398B1 (en) 2022-05-17 2022-09-29 주식회사 컨트로맥스 Gear device for output control of electric drive system for aircraft

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