KR20160126276A - Active control inceptor system used for fly-by-wire flight control system - Google Patents

Active control inceptor system used for fly-by-wire flight control system Download PDF

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Publication number
KR20160126276A
KR20160126276A KR1020150057151A KR20150057151A KR20160126276A KR 20160126276 A KR20160126276 A KR 20160126276A KR 1020150057151 A KR1020150057151 A KR 1020150057151A KR 20150057151 A KR20150057151 A KR 20150057151A KR 20160126276 A KR20160126276 A KR 20160126276A
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KR
South Korea
Prior art keywords
collective
reaction force
control
cyclic
force driving
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KR1020150057151A
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Korean (ko)
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KR101750782B1 (en
Inventor
김재만
구칠효
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한국항공우주산업 주식회사
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Priority to KR1020150057151A priority Critical patent/KR101750782B1/en
Publication of KR20160126276A publication Critical patent/KR20160126276A/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
    • B64C13/02—Initiating means
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/10—Simultaneous control of position or course in three dimensions
    • G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft

Abstract

Discloses an active steering input system used in FBW flight control systems. The active steering input system according to an embodiment of the present invention is generated by a physical movement between each steering wheel through a control input device such as a cyclic assembly, a collective assembly, and a pedal assembly The Active Control Inceptor System (ACIS) controller controls the flight control computer (FLCC) by electrically converting the four-axis control inputs such as pitch, roll, collective and yaw, . Also, the FLCCs are configured to be capable of signal control for the steering input by only ARINC 429 signal communication.

Description

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to an active control input system used in a FBW flight control system,

The present invention relates to an active control input system for use in an FBW flight control system, and more particularly, to an active control input system that enables signal control for a steering input only by ARINC 429 signal communication in a flight control computer (FLCC).

Flight control systems are safety-critical systems that can affect aircraft and pilot safety. Flight Control Computer (FLCC), which is the core system of this helicopter, obtains various sensor signals and atmospheric data to carry out aircraft operation for safe flight.

FIG. 1 is a block diagram schematically showing the configuration of a conventional flywheel-fly-by-wire (FBW) flight control system. Pilot control input is required for aircraft operation. As shown in FIG. 1, the pilot's steering input is generally provided directly to the FLCC 20 as an analog or discrete signal generated by the input device 10.

When a steering wheel constituting the steering input device 10 moves in an actual aircraft or the like, a reaction force, that is, a steering force, generated through respective components mechanically connected to the steering wheel is generated. The steering input device 10 transmits information on the steering force and state information (including motor position information or speed information) generated by the movement of the steering wheel to an FLCC 20 as an analog or discrete signal, 20 control the aircraft flight by providing driving signals to the electro-mechanical actuators (EMA) 30 for driving the aircraft.

Accordingly, in addition to the ARINC 429 signal communication, the FLCC 20 is inevitably applied to all other communication interfaces with the control input device 10, such as analog signal communication.

Korean Patent Publication No. 10-2010-0061946 (published on June 10, 2010)

Therefore, it is an object of the present invention to provide an active control input system that enables signal control to the steering input by only ARINC 429 signal communication in the FLCC.

In order to achieve the above object, an active control input system according to an embodiment of the present invention includes an Active Control Inceptor System (ACIS) controller, a cyclic assembly, a collective assembly, and a pedal assembly Wherein the cyclic assembly includes a cyclic roll grip and a cyclic reaction force driving device for rotating the pitch axis motor and the roll Roll axis motor position information and velocity information, and a pitch axis and a roll axis control signal, respectively, wherein the collective assembly includes a collective grip and a collective reaction force drive, The reaction force driving device provides the position information and the velocity information of the collective axis motor and the collective axis control force signal in accordance with the movement of the collective control, The assembly includes a pedal structure and a pedal reaction force driving device to provide position information and speed information of a yaw axis motor and a yaw axis steering force signal according to the movement of the pedal structure in the pedal reaction force driving device, Wherein the ACIS controller is configured to input position information and velocity information of the pitch, roll, collective, or yaw axis motor provided from at least one of the cyclic assembly, the collective assembly, and the pedal assembly, And transmits it to a plurality of flight control computers (FLCCs) in the form of ARINC429 communication signals.

Here, the ACIS controller includes a servo drive, an amplifier, an ARINC 429 communication unit, and a control unit, and the servo drive may include a cyclic reaction force driving unit, a collective reaction force driving unit, or the pedal reaction force driving unit, And receives position information and speed information of the pitch, roll, collective, or yaw axis motors provided by the cyclic reaction force driving device, the collective reaction force driving device, or the pedal reaction force driving device And the amplifying unit receives the pitch, roll, collective, or yaw axis steering force signals provided by the cyclic reaction force driving device, the collective reaction force driving device, or the pedal reaction force driving device And transmits the amplified signal to the control unit. The ARINC 429 communication unit performs ARINC 429 communication between the control unit and the FLCCs The control unit receives position information, velocity information, and steering force signals of the pitch, roll, collective, or yaw axis motor transmitted through the servo drive and the amplification unit, And receives a signal fed back from the FLCCs through the ARINC 429 communication unit.

Also, the control unit may receive the control input signal transmitted from the cyclic control unit in the cyclic assembly or the collective control unit in the collective assembly, and may transmit the control input signal to the FLCCs through the ARINC 429 communication unit.

Conventionally, all the interworking with other communication interfaces other than the ARINC 429 communication interface is inevitably applied to the FLCCs in order for the FLCCs to be directly connected to the control input devices to receive the control input signals. However, the active control input system according to the present invention includes the FLCC The ARINC429 signal communication enables signal control for the steering input.

The active steering input system proposed in the present invention can be used as a subsystem not only for an airplane but also for an automobile receiving a steering input from a steering input device or for a marine vessel,

FIG. 1 is a block diagram schematically showing a configuration of a conventional flywheel-fly-by-wire (FWW) flight control system.
2 is a block diagram illustrating an active steering input system according to an embodiment of the present invention.
3 to 5 are block diagrams showing the detailed configuration of the active steering input system shown in FIG.

Hereinafter, the present invention will be described in detail with reference to the drawings. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

2 is a block diagram illustrating an active steering input system according to an embodiment of the present invention. 3 to 5 are block diagrams showing the detailed configuration of the active steering control input system shown in FIG.

2 to 5, the configuration of an active control input system according to an embodiment of the present invention will be described in detail.

The active control input system according to an embodiment of the present invention includes a cyclic assembly 210, a collective assembly 220, and a pedal assembly 230, which are control input devices Axis control inputs such as pitch, roll, collective, and yaw generated by the physical movements of the respective controllers through an ACIS controller 200 ) To Flight Control Computers (FLCCs) 240-1 and 240-2.

The active control input system according to an embodiment of the present invention is configured to be able to control signals for the steering input by only ARINC 429 signal communication in the FLCCs 240-1 and 240-2.

Here, the FLCCs 240-1 and 240-2 are safety systems, and as shown in FIGS. 2 to 5, a plurality of FLCCs 240-1 and 240-2 are generally implemented.

2, an active steering input system according to an embodiment of the present invention includes an ACIS controller 200, a cyclic assembly 210, a collective assembly 220, and a pedal assembly 230 .

First, the ACIS controller 200 transmits the control input signals and the like received from the cyclic, collective, and pedal assemblies 210, 220, and 230 to the FLCCs 240-1 and 240-2. To the FLCCs 240-1 and 240-2 through the ARINC 429 communication.

The cyclic assembly 210 includes a cyclic grip and a cyclic reaction force driving device. The pitch axis and the roll axis control input of the pilot through the movement of the cyclic pilot are electrically signaled by an ACIS controller (200).

The collective assembly 220 includes a collective grip and a collective reaction force driving device. The collective control assembly 220 includes an ACIS controller 200 as an electrical signal to collectively collectively control the pilots of the pilots through movement between the collective controls It delivers.

The pedal assembly 230 largely includes a pedal structure and a pedal reaction force driving device. The pedal assembly 230 transmits the pilot's yaw axis control input through the movement of the pedal structure to the ACIS controller 200 as an electrical signal.

Hereinafter, the operation of each of the above-described configurations will be described in more detail with reference to FIGS. 3 to 5. FIG.

FIG. 3 illustrates a form in which an ACIS controller 200 is connected between a cyclic assembly 210 and an ACIS controller 200 in an active control input system according to an exemplary embodiment of the present invention. FIG. 4 illustrates an ACIS controller 200 connected between a collective assembly 220 and an ACIS controller 200 And FIG. 5 shows a form in which pedal assembly 230 and ACIS controller 200 are connected.

Referring to FIG. 3, the cyclic assembly 210 includes a cyclic pilot 300 and a cyclic reaction force driving device 310, as described above. The cyclic reaction force driving device 310 includes a pitch servo device 311, a roll servo device 312, and a sensor part 313.

Here, the cyclic pilot 300 provides the control input signal, which is input from the pilot through the self-provided switch or button, to the controller 340 in the form of a discrete signal in the ACIS controller 200.

The pitch servo device 311 transmits the position information and the speed information, which are rotation angles of the pitch axis motor according to the movement of the cyclic pilot 300, to the servo drive (Servo Drive) 320. Similarly, the roll servo device 312 provides position information and speed information of the roll axis motor to the servo drive 320 in the ACIS controller 200 as a CANopen communication signal in accordance with the movement of the cyclic pilot 300.

The sensor unit 313 is composed of load cells and controls the pitch axis control force and the roll axis control force signals generated in the pitch axis motor and the roll axis motor in accordance with the movement of the cyclic pilot 300, And provides it to the amplifier 330 in the ACIS controller 200 in the form of an analog signal.

The servo drive 320 performs CANopen communication with the pitch servo unit 311, the roll servo unit 312 and the control unit 340, respectively. The servo drive 300 transmits position information and speed information of the pitch axis and the roll axis motor inputted from the pitch servo device 311 and the roll servo device 312 to the control unit 340.

The amplification unit 330 amplifies the fine pitch axis control force and the roll axis control force signal received from the sensor unit 313 and provides the amplified pitch axis control force and the roll axis control force signal to the control unit 340, respectively.

Accordingly, the control unit 340 can receive signals transmitted from at least one of the configurations of the cyclic pilot 300, the servo drive 320, and the amplification unit 330.

That is, the control unit 340 transmits the position information and the speed information of the pitch axis and the roll axis motor via the CANopen communication with the servo drive 320, the control input signal in the form of a discrete signal from the cyclic control unit 300, And the pitch axis control force and the roll axis control force signal, respectively.

The control unit 340 transmits the provided signals to the FLCCs 240-1 and 240-2 in the form of an ARINC 429 through the ARINC 429 communication unit 350 and then outputs the signals fed back from the FLCCs 240-1 and 240-2 . As described above, the ACIS controller 200 enables bidirectional communication between the cyclic assembly 210, which is a control input device, and the FLCCs 240-1 and 240-2, which are upper controllers, through ARINC 429 communication.

4 shows a connected form between the collective input device 220 and the ACIS controller 200 and is similar to the form connected between the cyclic assembly 210 and the ACIS controller 200 shown in FIG. .

The collective assembly 220 includes a collective control point 400 and a collective reaction force driving device 410. The collective reaction force driving device 410 includes a collective servo device 411 and a sensor unit 412.

3, the collective control point 400 also receives the control input signal input from the pilot through the operation of a self-contained switch or button in the same manner as the cyclic pilot point 300, in the form of a discrete signal, To the control unit (440).

The collective servo apparatus 411 transmits position information and speed information, which are rotation angles of the collective axis motor according to the movement of the collective control station 400, to the servo drive 420 ).

The sensor unit 412 is composed of load cells. The sensor unit 412 senses a collective axis control signal generated in the collective axis motor 400 according to the movement of the collective control station 400 and outputs the collective axis control signal to the ACIS controller 200 To the amplifying unit 430.

The servo drive 420 carries out CANopen communication with the collective servo apparatus 411 and the control unit 440 respectively and transmits position information and speed information of the collective axis motor inputted from the collective servo apparatus 411 to the control unit 440 ).

The amplifier unit 430 amplifies the fine collinear shaft steering force signal received from the sensor unit 412 and provides the amplified collective steering steering force signal to the controller 440.

Accordingly, the control unit 440 can receive signals transmitted from at least one of the collective control unit 400, the servo drive 420, and the amplification unit 430.

The control unit 440 transmits the received signals to the FLCCs 240-1 and 240-2 in the form of an ARINC 429 through the ARINC 429 communication unit 450 and then outputs the signals fed back from the FLCCs 240-1 and 240-2 . Accordingly, the ACIS controller 200 also enables bidirectional communication via the ARINC 429 communication between the collective assembly 220, which is a control input device, and the FLCCs 240-1 and 240-2, which are the upper controllers.

FIG. 5 illustrates a connection between the pedal assembly 230 and the ACIS controller 200. FIG.

As described above, the pedal assembly 230 includes a pedal structure 500 and a pedal reaction force driving device 510, wherein the pedal reaction force driving device 510 includes a pedal servo device 511 and a sensor part 512 .

 The pedal servo apparatus 511 provides the servo drive 520 with the position information and the speed information, which are rotation angles of the yaw axis motor according to the movement of the pedal structure 500, in the ACIS controller 200 as a CANopen communication signal.

The sensor unit 512 is composed of load cells and senses a yaw axis steering force signal generated from the yaw axis motor and provides the analog signal to the amplification unit 530 in the ACIS controller 200.

3 and 4, the operations of the servo drive 520, the amplification unit 530, the control unit 540, and the ARINC 429 communication unit 550 in the ACIS controller 200 are the same as those of the servo drive 520 perform CANopen communication with the pedal servo apparatus 511 and the control unit 540 respectively and transmit the position information and speed information of the yaw axis motor inputted from the pedal servo apparatus 511 to the control unit 540, The control unit 530 amplifies the fine yaw control signal input from the sensor unit 512 and provides the control signal to the control unit 540. The control unit 540 receives signals transmitted from at least one of the configurations of the servo drive 520 and the amplification unit 530 and transmits the signals to the FLCCs 240-1 and 240-2 as upper controllers through the ARINC 429 communication unit 550 Receives a feedback signal from the FLCCs 240-1 and 240-2, and performs bidirectional communication with the FLCCs 240-1 and 240-2.

As described above, the active steering input system according to an embodiment of the present invention includes a steering input device, a cyclic assembly 210, a collective assembly 220, a pedal assembly 230, and an ACIS controller 200 . The ACIS controller 200 is connected to the cyclic assembly 210, the collective assembly 220, and the pedal assembly 230 to control four axes of pitch, roll, collective, and yaw, Motor position information, speed information, and other control input signals in the form of an analog signal, a CANopen signal, or a discrete signal, and transmit the signal to the FLCCs 240-1 and 240-2 in response to the ARINC 429 signal.

Therefore, in order for FLCCs 240-1 and 240-2 to be directly connected to the control input devices and receive control input signals, all of the communication interfaces other than the ARINC 429 communication interface to the FLCCs 240-1 and 240-2 However, the active control input system according to the present invention allows the FLCCs 240-1 and 240-2 to control the signal for the steering input only by communicating the ARINC 429 signal.

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 embodiments, but, on the contrary, Do. Accordingly, the spirit of the present invention should be understood only in accordance with the following claims, and all equivalents or equivalent variations thereof are included in the scope of the present invention.

200: ACIS controller 210: cyclic assembly
220: collective assembly 230: pedal assembly
240-1, 240-2: FLCC 300: Cyclic pilot
310: cyclic reaction force driving device 311: pitch servo device
312: roll servo device 313:
320, 420, 520: servo drive 330, 430, 530:
340, 440, 540: control unit 350, 450, 550: ARINC 429 communication unit
400: collective control valve 410: collective reaction force driving device
411: collective servo apparatus 412: sensor unit
500: pedal structure 510: pedal reaction force driving device
511: Pedal servo apparatus 512:

Claims (3)

An Active Control Inceptor System (ACIS) controller, a cyclic assembly, a collective assembly, and a pedal assembly,
Wherein the cyclic assembly includes a cyclic shift actuator and a cyclic reaction force driving device, wherein the pitch axis motor and the roll axis motor according to the movement of the cyclic control rod in the cyclic reaction force driving device, The position information and the velocity information of the pitch axis and the roll axis control signal, respectively,
Wherein the collective assembly includes a collective steering angle and a collective reaction force driving device, wherein in the collective reaction force driving device, position information and speed information of the collective axis motor in accordance with the movement between the collective steering wheel, Power signal,
The pedal assembly includes a pedal structure and a pedal reaction force driving device. The pedal reaction force driving device provides position information and speed information of a yaw axis motor and a yaw axis steering force signal according to the movement of the pedal structure In addition,
Wherein the ACIS controller is configured to input position information and velocity information of the pitch, roll, collective, or yaw axis motor provided from at least one of the cyclic assembly, the collective assembly, and the pedal assembly, An active control input system used in the FBW flight control system to transmit and receive ARINC429 communication signals to a plurality of flight control computers (FLCC).
The method according to claim 1,
Wherein the ACIS controller comprises:
A servo drive, an amplifying unit, an ARINC 429 communication unit, and a control unit,
Wherein the servo drive performs CANopen communication between the cyclic reaction force driving device, the collective reaction force driving device, or the pedal reaction force driving device and the control part, and the cyclic reaction force driving device, the collective reaction force driving device, The position information and the velocity information of the pitch, roll, collective, or yaw axis motor provided by the pedal reaction force driving device are received and transmitted to the control unit,
The amplifying unit receives the pitch, roll, collective, or yaw axis steering force signals provided by the cyclic reaction force driving apparatus, the collective reaction force driving apparatus, or the pedal reaction force driving apparatus, amplifies the signals, ≪ / RTI &
The ARINC 429 communication unit performs ARINC 429 communication between the controller and the FLCCs,
The control unit receives position information, velocity information, and steering force signals of the pitch, roll, collective, or yaw axis motor transmitted through the servo drive and the amplifying unit, and transmits the position information and the velocity information to the FLCCs through the ARINC 429 communication unit And receives signals fed back from the FLCCs through the ARINC 429 communication unit. 3. The method of claim 2,
The control unit receives the control input signal transmitted from the cyclic control unit in the cyclic assembly or the collective control unit in the collective assembly and transmits the control input signal to the FLCCs through the ARINC 429 communication unit. Steering input system.
KR1020150057151A 2015-04-23 2015-04-23 Active control inceptor system used for fly-by-wire flight control system KR101750782B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100061946A (en) 2008-12-01 2010-06-10 한국항공우주연구원 Fault diagnosis method for healthy sensor of fly-by-wire control input system

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US8386093B2 (en) * 2007-04-05 2013-02-26 Bombardier Inc. Multi-axis serially redundant, single channel, multi-path fly-by-wire flight control system
US8271151B2 (en) * 2008-03-31 2012-09-18 Sikorsky Aircraft Corporation Flight control system for rotary wing aircraft
DE102010035825A1 (en) 2010-08-30 2012-03-01 Liebherr-Aerospace Lindenberg Gmbh Control system and apparatus for generating a virtual real-time model
US8935015B2 (en) 2011-05-09 2015-01-13 Parker-Hannifin Corporation Flight control system with alternate control path

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100061946A (en) 2008-12-01 2010-06-10 한국항공우주연구원 Fault diagnosis method for healthy sensor of fly-by-wire control input system

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