CN112960138A - Dragging system and control method for airplane ground running - Google Patents

Dragging system and control method for airplane ground running Download PDF

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Publication number
CN112960138A
CN112960138A CN202110151153.6A CN202110151153A CN112960138A CN 112960138 A CN112960138 A CN 112960138A CN 202110151153 A CN202110151153 A CN 202110151153A CN 112960138 A CN112960138 A CN 112960138A
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CN
China
Prior art keywords
airplane
traction
towing
aircraft
controller
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Pending
Application number
CN202110151153.6A
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Chinese (zh)
Inventor
李洋
王振宇
焦宗夏
刘晓超
齐鹏远
尚耀星
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Beihang University
Ningbo Institute of Innovation of Beihang University
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Beihang University
Ningbo Institute of Innovation of Beihang University
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Application filed by Beihang University, Ningbo Institute of Innovation of Beihang University filed Critical Beihang University
Priority to CN202110151153.6A priority Critical patent/CN112960138A/en
Publication of CN112960138A publication Critical patent/CN112960138A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F5/00Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
    • B64F5/60Testing or inspecting aircraft components or systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/04Ground or aircraft-carrier-deck installations for launching aircraft
    • B64F1/10Ground or aircraft-carrier-deck installations for launching aircraft using self-propelled vehicles

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Transportation (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

The present disclosure provides a towing system and a control method for ground run of an aircraft. The towing system comprises a towing device, an airplane controller and a towing mechanism. The traction device is connected with the aircraft controller through the dragging mechanism, the tested aircraft is dragged to run, when the running speed reaches a set threshold value, the aircraft controller sends an unhooking instruction to the dragging mechanism, the tested aircraft is separated from the traction device, so that the aircraft controller controls the tested aircraft to perform processes such as a brake test program, full-automatic controllability is realized, the safety of the ground running test of the aircraft is improved, the whole dragging system can be flexibly deployed, and the ground running test of the aircraft is not constrained by a fixed field.

Description

Dragging system and control method for airplane ground running
Technical Field
The disclosure relates to aircraft running towing without engine thrust, in particular to a towing system and a control method for aircraft ground running.
Background
The airplane ground running test is a very important link in airplane ground test and is a key step for testing whether the airplane can normally take off and land. The method is used for simulating the working condition of the airplane sliding on the ground during taking off and landing, and the reliability and the stability of the airplane brake system can be better tested. The current running scheme adopted on the ground comprises an inertia turntable testing scheme, a sliding rail traction scheme and the like. For the test of the inertia turntable, factors such as runway state, airplane aerodynamic influence and the like are easy to ignore; for the slide rail traction, the airplane is fixedly driven by the slide rail, and the test equipment is large in size. In addition, some conventional running schemes need to run on the ground by means of thrust of an engine of the airplane, and can only be carried out after the complete prototype of the airplane is developed, so that the period is long, and the cost is high.
Disclosure of Invention
To solve at least one of the above technical problems, the present disclosure provides a towing system and a control method for ground run of an airplane.
The technical scheme of the disclosure is realized as follows:
a towing system for ground jogging of an aircraft, comprising:
the traction device is used for towing the tested airplane to run on the basis of the received first control instruction;
the towing mechanism enables the tested airplane to be connected with the towing device based on the received connection instruction; and causing the test aircraft to detach from the towing installation based on the received unhook instruction;
the airplane controller is used for controlling the tested airplane to make corresponding actions; sending a traction control command to the traction device, wherein the traction control command comprises the first control command; sending the connection instruction and the unhooking instruction to the dragging mechanism; and receiving feedback information of the traction device and the dragging mechanism.
Further, the traction device includes:
the traction controller generates a control signal based on the received traction control instruction;
the tractor pulls the tested airplane to run off based on the control signal;
wherein the traction controller is further configured to: collecting road condition information; acquiring the working state of the tractor; and controlling the speed of the tractor and keeping the situation and direction of the tractor stable.
Further, the dragging system for airplane ground running further comprises:
the ground controller is used for sending the traction control instruction to the traction device and sending an airplane control instruction to the airplane controller; and receiving feedback information of the towing attachment and the aircraft controller.
Further, the tractor comprises an unmanned tractor.
Further, the dragging mechanism comprises an electromagnetic connecting device;
the electromagnetic connecting device comprises an electromagnet and a traction pin, and the electromagnet is connected with an electrified coil;
when the electrified coil is electrified, the electromagnet can attract the towing pin so that the towing pin moves and is connected with the tested airplane; when the electrified coil is powered off, the towing pin is unhooked from the tested airplane.
Furthermore, the electromagnetic connecting device also comprises a return spring, one end of the return spring is connected with the traction pin, and the other end of the return spring is connected with a fixing part of the electromagnetic connecting device.
Furthermore, the dragging mechanism comprises a dragging rod, and one end of the dragging rod is connected with the electromagnetic connecting device through a universal joint; the other end is connected with the tractor through a universal joint.
A method of controlling a towing system for ground jogging of an aircraft, comprising:
based on the received first control instruction, the traction device draws the tested airplane to run;
when the running speed of the tested airplane reaches a preset threshold value, an airplane controller sends an unhooking instruction to a dragging mechanism, so that the tested airplane is separated from the traction device, and meanwhile, the airplane controller sends feedback information of an unhooking state to the traction device;
based on the feedback information, the traction device continues to run, and the tested airplane enters a brake test stage.
Further, the method for controlling the runway speed of the tested airplane to reach the preset threshold value further comprises the following steps:
based on the running speed of the tested airplane fed back by the airplane controller, if the running speed is smaller than a preset threshold value, the airplane controller sends a traction control instruction to the traction device to accelerate the traction device, wherein the traction control instruction comprises a second control instruction for controlling the traction device to accelerate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
FIG. 1 is a logic diagram of a towing system for aircraft ground rollout of the present disclosure;
FIG. 2 is a schematic structural view of an electromagnetic coupling device of the present disclosure;
FIG. 3 is a schematic view of the connection structure of the towing bar and universal joint of the present disclosure;
FIG. 4 is a flow chart schematic of a control method of the present disclosure;
in the figure: an aircraft controller 1; a tested airplane 2; a ground controller 3; a dragging mechanism 4; a traction device 5; a traction controller 51; a tractor 52; the electromagnetic connection means 41; a drag lever 42; an energizing coil 411; an electromagnet 412; a traction pin 413; a return spring 414; a gimbal 422; a vertical shaft 423; transverse axis 424.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that, the step numbers in the text are only for convenience of explanation of the specific embodiments, and do not serve to limit the execution sequence of the steps. The method provided by the embodiment can be executed by a related server, and the following description takes an electronic device such as a server or a computer as an example of an execution subject.
Example one
Referring to fig. 1, the present embodiment provides a towing system for airplane ground running, including:
the traction device 5 is used for towing the tested airplane 2 to run on the basis of the received first control instruction;
the dragging mechanism 4 is used for connecting the tested airplane 2 with the traction device 5 based on the received connection instruction; and disengaging the test airplane 2 from the towing device 5 based on the received unhooking instruction;
the airplane controller 1 is used for controlling the tested airplane 2 to make corresponding actions; sending a traction control command to the traction device 5, wherein the traction control command comprises a first control command; sending a connection instruction and a unhooking instruction to the dragging mechanism 4; and receiving feedback information of the towing attachment 5 and the towing mechanism 4.
The tested airplane 2 is an airplane model which is scaled according to the real airplane in an equal proportion, and except that no engine is installed, other mechanism functions of the tested airplane 2 restore the real airplane, such as control plane actuation, attitude control, sliding brake and the like.
Based on the linkage of draw gear 5, drag mechanism 4 and aircraft controller 1, draw gear 5 connects aircraft controller 1 through drag mechanism 4, draw and be tried aircraft 2 and run, when the speed of running reaches the settlement threshold value, based on the unhook instruction, make being tried aircraft 2 and draw gear 5 separation, so that aircraft controller 1 control is tried aircraft 2 and is carried out processes such as brake test procedure, full-automatic controllable has been realized, the security that improves aircraft ground run test, whole dragging system can dispose in a flexible way, make aircraft ground run test not receive the restraint in fixed place.
Referring to fig. 1, the traction device 5 includes:
a traction controller 51 that generates a control signal based on the received traction control instruction;
a tractor 52 that pulls the test airplane 2 to run on the basis of the control signal;
wherein the traction controller 51 is further configured to: collecting road condition information; acquiring the working state of the tractor 52; and controlling the speed of the tractor 52 and maintaining the situational orientation of the tractor 52 stable.
As a preferred embodiment of this embodiment, the towing system further includes a ground controller 3, configured to send a towing control instruction to the towing apparatus 5, and send an aircraft control instruction to the aircraft controller 1; and receives feedback information of the towing installation 5 and the aircraft controller 1.
Through the three-position combined control of the ground controller 3, the airplane controller 1 and the traction device 5, the real-time communication of the traction system can be guaranteed, the system can have certain redundancy capability, and the influence of factors such as faults on the test can be reduced.
As a preferred embodiment of the present embodiment, the tractor 52 includes an unmanned tractor 52. To improve the safety of the ground run test.
Referring to fig. 1 and 2, as a preferred embodiment of the present embodiment, the dragging mechanism 4 includes an electromagnetic connecting device 41 and a dragging lever 42; the electromagnetic connecting device 41 comprises an electromagnet 412 and a drawing pin 413, wherein the electromagnet 412 is connected with an electrified coil 411;
when the energizing coil 411 is energized, the electromagnet 412 can attract the traction pin 413, so that the traction pin 413 moves and is connected with the tested airplane 2; when the energization coil 411 is deenergized, the towing pin 413 is unhooked from the test airplane 2.
The electromagnetic coupling device 41 further comprises a return spring 414, one end of the return spring 414 being connected to the draw pin 413 and the other end being connected to a fixed part of the electromagnetic coupling device 41.
Referring to fig. 1, 2 and 3, one end of a drag lever 42 is connected to an electromagnetic connection device 41 through a universal joint; the other end is connected with the tractor 52 through a universal joint 422, the universal joint comprises a vertical shaft 423 and a horizontal shaft 424, the dragging rod 42 swings left and right through the vertical shaft 423, and the dragging rod 42 swings up and down through the horizontal shaft 424; through the universal joint, can make the drag link 42 can swing from top to bottom, from side to side, avoid drag link 42 and electromagnetic connecting device 41 and tractor 52 to produce rigid connection, be convenient for the connection of tractor 52 and the plane 2 being tested, and tractor 52 pulls the turning to etc. of being tested the plane 2.
Based on one implementation of the embodiment of the invention, the rolloff test process is as follows:
referring to fig. 1 and 2, a ground controller 3 located in a ground control station sends a command to an aircraft controller 1 mounted on an airplane 2 to be tested and a traction controller 51 mounted on a tractor 52;
the aircraft controller 1 sends a connection instruction to the dragging mechanism 4, and after receiving the connection instruction, the dragging mechanism 4 controls the electrifying coil 411 to be electrified, so that the electromagnet 412 generates suction force, attracts the dragging pin 413, and the dragging pin 413 moves and is connected with the tested aircraft 2;
then the traction controller 51 controls the tractor 52 to start moving, and pulls the tested airplane 2 to start sliding, meanwhile, the airplane controller 1 obtains the airplane sliding speed in real time, and if the sliding speed fails to reach a preset threshold value, the traction controller 51 controls the tractor 52 to keep straight line acceleration running; when the running speed reaches a preset threshold value, the aircraft controller 1 sends a unhooking instruction to the towing mechanism 4, and controls the electrified coil 411 to be powered off, so that the electromagnet 412 loses the attraction force, the towing pin 413 is unhooked from the tested aircraft 2, and the reset spring 414 can accelerate the unhooking speed of the towing pin 413, so that quick unhooking is realized; when the unhooking induction sensor arranged on the dragging mechanism 4 detects that unhooking is completed, sending feedback information of the unhooking completion to the aircraft controller 1, sending the feedback information to the traction controller 51 and the ground controller 3 by the aircraft controller 1, and simultaneously controlling the tested aircraft 2 to enter an aircraft brake test program; the traction controller 51 controls the tractor 52 to maintain a constant velocity pattern so that the tractor 52 is away from the test airplane 2.
In the whole sliding test process, the ground controller 3, the traction controller 51 and the aircraft controller 1 are communicated with each other in real time, and the ground controller 3 can detect the working states and the motion states of the tested aircraft 2, the traction device 5 and the dragging mechanism 4 in real time so as to ensure that the test process can be completed smoothly.
Example two:
referring to fig. 4, the present embodiment provides a method for controlling a towing system for airplane ground running, including:
based on the received first control instruction, the traction device draws the tested airplane to run;
when the sliding speed of the tested airplane reaches a preset threshold value, the airplane controller sends an unhooking instruction to the towing mechanism, so that the tested airplane is separated from the towing device, and meanwhile, the airplane controller sends feedback information of an unhooking state to the towing device;
based on the feedback information, the traction device continues to run, and the tested airplane enters a brake test stage.
The method comprises the following steps that the running speed of the tested airplane reaches a preset threshold value, and before the running speed reaches the preset threshold value:
based on the roll-off speed of the tested airplane fed back by the airplane controller, if the roll-off speed is smaller than a preset threshold value, the airplane controller sends a traction control instruction to the traction device to enable the traction device to accelerate, wherein the traction control instruction comprises a second control instruction for controlling the traction device to accelerate.
The principle and function of the present embodiment are substantially the same as those of the first embodiment, and the description of the present embodiment will not be repeated.
It should be understood that portions of the present disclosure may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. All or part of the steps of the method of the above embodiments may be implemented by hardware that is configured to be instructed to perform the relevant steps by a program, which may be stored in a computer-readable storage medium, and which, when executed, includes one or a combination of the steps of the method embodiments.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process. And the scope of the preferred embodiments of the present disclosure includes additional implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a sequential list of executable instructions that may be considered to implement logical functions, may be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions.
The terms "first", "second" and "first" in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims (9)

1. A towing system for ground jogging of an aircraft, comprising:
the traction device is used for towing the tested airplane to run on the basis of the received first control instruction;
the towing mechanism enables the tested airplane to be connected with the towing device based on the received connection instruction; and causing the test aircraft to detach from the towing installation based on the received unhook instruction;
the airplane controller is used for controlling the tested airplane to make corresponding actions; sending a traction control command to the traction device, wherein the traction control command comprises the first control command; sending the connection instruction and the unhooking instruction to the dragging mechanism; and receiving feedback information of the traction device and the dragging mechanism.
2. The system of claim 1, wherein the pulling device comprises:
the traction controller generates a control signal based on the received traction control instruction;
the tractor pulls the tested airplane to run off based on the control signal;
wherein the traction controller is further configured to: collecting road condition information; acquiring the working state of the tractor; and controlling the speed of the tractor and keeping the situation and direction of the tractor stable.
3. The system of claim 1 or 2, further comprising:
the ground controller is used for sending the traction control instruction to the traction device and sending an airplane control instruction to the airplane controller; and receiving feedback information of the towing attachment and the aircraft controller.
4. The system of claim 2, wherein the tractor comprises an unmanned tractor.
5. The system of claim 1, wherein the drag mechanism comprises an electromagnetic coupling device;
the electromagnetic connecting device comprises an electromagnet and a traction pin, and the electromagnet is connected with an electrified coil;
when the electrified coil is electrified, the electromagnet can attract the towing pin so that the towing pin moves and is connected with the tested airplane; when the electrified coil is powered off, the towing pin is unhooked from the tested airplane.
6. The system of claim 5, wherein the electromagnetic interface further comprises a return spring, one end of the return spring being coupled to the kingpin and the other end of the return spring being coupled to a stationary component of the electromagnetic interface.
7. The system of claim 5, wherein the towing mechanism comprises a towing bar having one end connected to the electromagnetic coupling device via a universal joint; the other end is connected with the tractor through a universal joint.
8. A method of controlling a towing system for ground jogging of an aircraft, comprising:
based on the received first control instruction, the traction device draws the tested airplane to run;
when the running speed of the tested airplane reaches a preset threshold value, an airplane controller sends an unhooking instruction to a dragging mechanism, so that the tested airplane is separated from the traction device, and meanwhile, the airplane controller sends feedback information of an unhooking state to the traction device;
based on the feedback information, the traction device continues to run, and the tested airplane enters a brake test stage.
9. The method of claim 8, wherein the roll speed of the subject aircraft reaches a predetermined threshold, and before, further comprising:
based on the running speed of the tested airplane fed back by the airplane controller, if the running speed is smaller than a preset threshold value, the airplane controller sends a traction control instruction to the traction device to accelerate the traction device, wherein the traction control instruction comprises a second control instruction for controlling the traction device to accelerate.
CN202110151153.6A 2021-02-03 2021-02-03 Dragging system and control method for airplane ground running Pending CN112960138A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113697124A (en) * 2021-08-30 2021-11-26 南通华夏飞机工程技术股份有限公司 Intelligent trailer and method for towing airplane by using same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649787A1 (en) * 1993-10-23 1995-04-26 MAN Gutehoffnungshütte Aktiengesellschaft Aircraft ground handling tractor
CN106342066B (en) * 2009-08-07 2013-09-04 贵州云马飞机制造厂 Unmanned plane and ground mover starting heats tripping gear
CN105717909A (en) * 2014-12-05 2016-06-29 中车大连电力牵引研发中心有限公司 Model vehicle traction testing system
CN107807543A (en) * 2017-11-20 2018-03-16 中国运载火箭技术研究院 One kind release separation automatic control system and method, and traction are slided and run experimental rig
CN207636308U (en) * 2017-12-02 2018-07-20 中检西部检测有限公司 A kind of vehicle sliding experiment draft gear

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649787A1 (en) * 1993-10-23 1995-04-26 MAN Gutehoffnungshütte Aktiengesellschaft Aircraft ground handling tractor
CN106342066B (en) * 2009-08-07 2013-09-04 贵州云马飞机制造厂 Unmanned plane and ground mover starting heats tripping gear
CN105717909A (en) * 2014-12-05 2016-06-29 中车大连电力牵引研发中心有限公司 Model vehicle traction testing system
CN107807543A (en) * 2017-11-20 2018-03-16 中国运载火箭技术研究院 One kind release separation automatic control system and method, and traction are slided and run experimental rig
CN207636308U (en) * 2017-12-02 2018-07-20 中检西部检测有限公司 A kind of vehicle sliding experiment draft gear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113697124A (en) * 2021-08-30 2021-11-26 南通华夏飞机工程技术股份有限公司 Intelligent trailer and method for towing airplane by using same

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Application publication date: 20210615