CN110254749A - Network-based helicopter W.T test control framework and control method - Google Patents
Network-based helicopter W.T test control framework and control method Download PDFInfo
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- CN110254749A CN110254749A CN201910644663.XA CN201910644663A CN110254749A CN 110254749 A CN110254749 A CN 110254749A CN 201910644663 A CN201910644663 A CN 201910644663A CN 110254749 A CN110254749 A CN 110254749A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND 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
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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Abstract
The invention discloses a kind of network-based helicopter W.T test control framework and control methods, the control framework includes: server system, and is acquired and monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system with the trial system, test run information management system, data of server system network connection.The present invention establishes trial system, test run information management system, data acquisition and the communication mechanism between monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system, data exchange mechanism, realizes the automation control of helicopter W.T test.
Description
Technical field
The present invention relates to helicopter W.T test technical field, especially a kind of network-based helicopter W.T test control
Framework processed and control method.
Background technique
It was not connected to the network and communicated between helicopter W.T test equipment in the past, each system is independent from each other, and is not
One entirety, operation control mainly communicate based on people's manual operations, between each system complete mainly by operator's verbal communication
At.Since helicopter W.T test has highly difficult, high risk and high-revolving three Gao Tedian, tested in wind tunnel test thus
The labor intensity and test pressure of operator is very big.People's manual operations exists as following drawbacks:
1) operator that participates in the experiment more (complete test observing and controlling post and at most need 7 people, is minimum to need 5 people), requirement are high；
2) helicopter, which tests each system, not can be carried out information communication；
3) low efficiency (a point of the most trims more than 60 of a class) tested；
4) human factor causes the probability of test incident higher；
5) acquisition that can not carry out wind-tunnel real-time ram compression and model real-time angular, reduces the accuracy of test data.
Summary of the invention
The technical problems to be solved by the present invention are: being directed to the defect of above-mentioned manual control, one kind is provided and is based on
The helicopter W.T test control framework and control method of network.
A kind of network-based helicopter W.T test provided by the invention controls framework, comprising: server system, and
It is acquired with monitoring system, directly with the trial system, test run information management system, data of server system network connection
Rise machine control system and wind-tunnel monitoring system.
Further, the Systems of Control for Helicopter, including main rotor dynamical system, main rotor steerable system and main rotor
Pitch system, tail-rotor dynamical system and tail-rotor steerable system.
Further, the wind-tunnel monitoring system, comprising: wind-tunnel ram compression control system, wind-tunnel turntable control system, vibration
Monitoring system, monitoring and data collection system and image monitoring system.
Further, the helicopter W.T test control framework establishes communication by Winsock platform.
Further, the method that the helicopter W.T test control framework establishes communication by Winsock platform are as follows:
Trial system establishes Winsock server application, and test run information management system, data acquisition are with monitoring
System, Systems of Control for Helicopter and wind-tunnel monitoring system establish Winsock client application；Respectively server system, examination
Testing management system, test run information management system, data acquisition and monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring is
It is under unified central planning to set corresponding code name, PORT COM and IP address.
Further, the helicopter W.T test control framework is using udp protocol or Transmission Control Protocol in trial system
Winsock server application is established, test run information management system, data acquisition and monitoring system, helicopter control
System and wind-tunnel monitoring system establish Winsock client application.
Further, the helicopter W.T test control framework carries out data sharing by DataSocket.
Further, the method that the helicopter W.T test control framework carries out data sharing by DataSocket
Are as follows: DataSocket server is established with monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system in data acquisition, is being tried
Testing management system, test run information management system, data acquisition and monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring is
DataSocket client is found in construction in a systematic way.
Further, the instruction operation set of the helicopter W.T test control framework are as follows:
The present invention also provides a kind of network-based helicopter W.T test control methods, comprising:
Step 1, each system prepares before completing test；
Step 2, trial system is opened networking and is examined and listens, and waits each systems connection and selects network-control, when each system
Networking normally thens follow the steps 3；
Step 3, trial system sends key parameter extremely monitoring and data collection system, and is adopted by monitoring with data
Collecting system obtains initial reading；After instructing wind-tunnel monitoring system to start to work simultaneously, step 4 is executed；
Step 4, after trial system obtains initial reading, director data acquisition reads initial reading with monitoring system, and sentences
Whether disconnected initial reading is correct, if correctly thening follow the steps 5, otherwise, checkout facility signal line and monitoring acquire with data and be
The setting of system；
Step 5, trial system transmits main rotor revolving speed to main rotor dynamical system and tail-rotor dynamical system, instruction master
Rotor power system and tail-rotor dynamical system are driven, and wind-tunnel monitoring system and operation are detected in main rotor and tail-rotor boosting velocity procedure
Whether the fresh relevant parameter of information management system is normal, if normal, then step 6 is executed after main rotor revolving speed reaches test speed,
Otherwise dynamical system is stopped, and checks the relevant devices such as dynamical system driver, motor inverter and encoder；
Step 6, trial system starts to test, and inclines to main rotor management system, tail-rotor steerable system and main shaft
Oblique system sends trim parameter, and assigns after instruction reaches corresponding pre- angle setting and start to dry, and executes step 7；
Step 7, trial system sends driving ram compression to wind-tunnel ram compression control system, and sends ram compression and drive to order,
If system is normally driven, 8 are thened follow the steps, otherwise dynamical system is stopped；
Step 8, when wind-tunnel ram compression reaches the test wind equilibrium stage, main rotor management system, tail-rotor steerable system
With inclined main axes system in the case where guarantee test safety, step 9 is executed after carrying out test parameters trim；
Step 9, trial system command monitoring and data collection system acquire data, after the completion of acquisition, pass through image
Monitoring system handles data, tests to carry out operating plan lower, then repeats step 6~9, no to then follow the steps
10；
Step 10, trial system command wind-tunnel ram compression control system, main rotor dynamical system and tail-rotor dynamical system
Parking.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, the present invention establishes trial system, test run information management system, data and acquires with monitoring system, directly
Communication mechanism, the data exchange mechanism between machine control system and wind-tunnel monitoring system are risen, and devises a set of instruction operation set
It is controlled, realizes the automation control of helicopter W.T test.By with the application of the invention, in the identical working time with
Previous class at most completes 60 points, and it is very light that a present class completes more than 140 a points；And most observing and controlling posies were tested in the past
7 people are needed, at most only need 3 people now, and it is light to compare work.The helicopter W.T test of the present embodiment as a result,
Control framework and method not only increase test efficiency, also reduce the labor intensity of operator, reduce operator's
Quantity.
2, the present invention standardizes to the control flow of helicopter W.T test control framework.
3, the present invention improves the accuracy of test data.
4, the present invention improves the safety of test.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural block diagram that network-based helicopter W.T test of the invention controls framework.
Fig. 2 is the flow diagram of network-based helicopter W.T test control method of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, claimed invention is not intended to limit to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of network-based helicopter W.T test provided in this embodiment controls framework, as shown in Figure 1, comprising: clothes
Business device system, and acquired with the trial system, test run information management system, data of server system network connection
With monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system.In the present embodiment, the helicopter W.T test controls framework
Including organized layer, cooperation layer and execution level；Wherein, trial system completes the function of organized layer and cooperation layer, for testing
The establishment and publication of operational plan, and coordinate according to the operating instruction of helicopter W.T test the operation of each system.Test run
Information management system is limited for collecting the operation information of each system equipment, and according to the safe operation of test setting to each system
Operating status of uniting carries out real-time judge, carries out to the operation information and alarm to transfinite and by trial system corresponding timely
Reasonable disposition.Data process&analysis system mainly completes the processing and assessment in real time of test data, is trial system
Previous step working result carries out live judge.
Wherein, the Systems of Control for Helicopter, including the inclination of main rotor dynamical system, main rotor steerable system, main rotor
System, tail-rotor dynamical system and tail-rotor steerable system.
Wherein, the wind-tunnel monitoring system, comprising: wind-tunnel ram compression control system, wind-tunnel turntable control system, vibration monitoring
System, monitoring and data collection system and image monitoring system.
In the helicopter W.T test control framework, each system is run under trial system coordination, is thus needed
Establish the communication mechanism between trial system and each system.In the present embodiment, the helicopter W.T test control
Framework establishes communication by Winsock platform.Specifically,
(1) Winsock server application, test run information management system, data are established in trial system
Acquisition establishes Winsock client application with monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system；Further
Connection is established using Winsock communication mechanism in ground, can pass through User Datagram Protocol (UDP) or transmission control protocol
(TCP) carry out data exchange, it is possible thereby to created using udp protocol or Transmission Control Protocol Winsock server application and
Winsock client application.
It (2) is respectively server system, trial system, test run information management system, data acquisition and monitoring
System, Systems of Control for Helicopter and wind-tunnel monitoring system configure corresponding code name, PORT COM and IP address.Illustratively, it takes
Device system, trial system, test run information management system, the data of being engaged in acquire and monitoring system, Systems of Control for Helicopter
It is as follows that corresponding code name, PORT COM and IP address are configured with wind-tunnel monitoring system:
Network server system code name is S, server ip address 11.99.155.6；
Trial system designator code is M, PORT COM 9901；
Test run information management system code name is I, PORT COM 9902；
Monitoring is X, PORT COM 9903 with data collection system code name；
Inclined main axes system designator code is A, PORT COM 9904；
Data acquisition is D, PORT COM 9905 with monitoring system code name；
Image monitoring alarm system code name is W, PORT COM 9906；
Vibration monitoring system code name is V, PORT COM 9907；
Power control system code name is P, PORT COM 9908；
Management system code name is C, PORT COM 9909；
Wind-tunnel ram compression control system code name is Y, and PORT COM (is with existing wind tunnel test management system port numbers for 5706
It is quasi-)；
Wind-tunnel turntable control system code name is G, and PORT COM (is with existing wind tunnel test management system port numbers for 5703
It is quasi-).
Since server application can be run on any computer on network, so each system can be flexible
Selection or setting code name, PORT COM and IP address.
In the present embodiment, the helicopter W.T test control framework carries out data sharing by DataSocket.
DataSocket is the new technology based on TCP/IP standard that NI company releases, and DataSocket is high in real time towards measurement and on the net
Fast data exchange, the data exchange that can be used in a computer or in network in several computers between multiple application programs.
Although having had TCP/IP at present, the technology of a variety of data sharings for being used for two application programs such as DDE, these technologies are all
It is not intended to real-time Data Transmission.Only DataSocket is one and is used to share and issue in measurement and automation application
The technology of real time data.DataSocket is actually single, the unified end API based on URL, is one only
Stand on agreement, independently of language and independently of the API of operating system, user can apply in any programmed environment.
In the present embodiment, the helicopter W.T test control framework carries out the side of data sharing by DataSocket
Method are as follows:
It is in test run information management system, data acquisition and monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring
DataSocket server is found in construction in a systematic way, for issuing the main operation information of the system；
In trial system, test run information management system, data acquisition and monitoring system, Systems of Control for Helicopter
DataSocket client is established with wind-tunnel monitoring system, obtains the correlation test information being concerned about in real time.Such as trial system
The systematic operation information of institute is obtained, steerable system and inclined main axes system obtain the trim of data acquisition with monitoring system publication
Relevant operating parameter: lift coefficient Ct (hang down force coefficient Cw), horizontal force coefficient Ch, rolling moment Mx, pitching moment Mz etc..
The network-based helicopter W.T test of above-mentioned building controls framework, realizes the communication sum number between each system
According to exchange.Since required control and system are numerous, trivial operations, the present embodiment is also provided with a set of helicopter W.T test control
The instruction operation set of framework processed, as shown in table 1.
Table one:
As shown in Table 1, the network-based helicopter W.T test control framework of the present embodiment not only establishes developmental tube
Reason system, test run information management system, data acquisition with monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system it
Between communication mechanism, data exchange mechanism, realize the automation control of helicopter W.T test, and devise a set of instruction behaviour
Make collection to be controlled, convenient for control.
Helicopter W.T test based on the present embodiment controls framework, and the present embodiment also provides a kind of network-based go straight up to
Machine wind tunnel test control method standardizes to the control flow of helicopter W.T test control framework, as shown in Fig. 2,
Include:
Step 1, each system prepares before completing test.If dynamical system completes connection PLC, start lubricating oil vehicle and water cooling,
Frequency converter closes a floodgate, and working state of system is normal；Monitoring completes channel configuration, test parameters configuration, balance with data collection system
Formula configuration etc..Test is completed such as each system to prepare, and executes step 2；
Step 2, trial system is opened networking and is examined and listens, and waits each systems connection and selects network-control, when each system
Networking normally thens follow the steps 3；
Step 3, trial system sends key parameter (such as temperature, atmospheric pressure) extremely monitoring and data collection system,
And initial reading is obtained by monitoring and data collection system；After instructing wind-tunnel monitoring system to start to work simultaneously, step 4 is executed；
Step 4, after trial system obtains initial reading, director data acquisition reads initial reading with monitoring system, and sentences
Whether disconnected initial reading is correct, if correctly thening follow the steps 5, otherwise, checkout facility signal line and monitoring acquire with data and be
The setting of system；
Step 5, trial system transmits main rotor revolving speed to main rotor dynamical system and tail-rotor dynamical system, instruction master
Rotor power system and tail-rotor dynamical system are driven, and wind-tunnel monitoring system and operation are detected in main rotor and tail-rotor boosting velocity procedure
Whether the fresh relevant parameter of information management system is normal, if normal, then step 6 is executed after main rotor revolving speed reaches test speed,
Otherwise dynamical system is stopped, and checks the relevant devices such as dynamical system driver, motor inverter and encoder；
Step 6, trial system starts to test, and inclines to main rotor management system, tail-rotor steerable system and main shaft
Oblique system sends trim parameter (such as " Status Temp=24.5, Press=941.8, XV=41.6！Ct=0.001 "), and
After assigning the corresponding pre- angle setting (such as operating 3 degree of total square, 1 degree of roll angle, 1 degree of pitch angle, angle of main shaft inclination is 0 degree) of instruction arrival
Start to dry, executes step 7；If main rotor management system, tail-rotor steerable system and inclined main axes system are abnormal,
Dynamical system parking, and check the relevant devices such as dynamical system driver, motor inverter and encoder；
Step 7, trial system sends driving ram compression to wind-tunnel ram compression control system, and sends ram compression and drive to order,
If system is normally driven, 8 are thened follow the steps, otherwise dynamical system is stopped；
Step 8, when wind-tunnel ram compression reaches the test wind equilibrium stage, main rotor management system, tail-rotor steerable system
With inclined main axes system in the case where guarantee test safety, test parameters trim (rotor pitching moment and yawing are carried out
Trim) afterwards execute step 9, pass through test parameters trim guarantee wind-tunnel start-up course safety；
Step 9, trial system command monitoring and data collection system acquire data, after the completion of acquisition, pass through image
Monitoring system handles data, tests to carry out operating plan lower, then repeats step 6~9, no to then follow the steps
10；
Step 10, trial system command wind-tunnel ram compression control system, main rotor dynamical system and tail-rotor dynamical system
Parking.During trial system command wind-tunnel ram compression control system wind speed decreased, main rotor steerable system and tail-rotor manipulation
It carries out torque trim to follow, when wind speed is lower than parking threshold values (such as 10 meter per seconds), system assigns orderly shutdown instruction, such as
Fruit data processing finishes and rotor revolving speed is lower than required value, then trial system, which is assigned, completes test instructions to each system, with
Guarantee that vibration monitoring system, operation information management system etc. stop recording.
Helicopter W.T test and traditional helicopter wind are carried out using helicopter W.T test control framework of the invention
The test data of hole test is as shown in Table 2.
Table two:
By table two it is found that the present invention improves the precision of test data.
In conclusion helicopter W.T test control framework of the invention and method also have the advantages that
1, the present invention establishes trial system, test run information management system, data and acquires with monitoring system, directly
Communication mechanism, the data exchange mechanism between machine control system and wind-tunnel monitoring system are risen, and devises a set of instruction operation set
It is controlled, realizes the automation control of helicopter W.T test.By with the application of the invention, in the identical working time with
Previous class at most completes 60 points, and it is very light that a present class completes more than 140 a points；And most observing and controlling posies were tested in the past
7 people are needed, at most only need 3 people now, and it is light to compare work.The helicopter W.T test of the present embodiment as a result,
Control framework and method not only increase test efficiency, also reduce the labor intensity of operator, reduce operator's
Quantity.
2, the present invention standardizes to the control flow of helicopter W.T test control framework.
3, the precision of test data is improved；
4, Mz, Mx are substantially in 100Nm or more during wind-tunnel adjusts in the past, and sometimes even greater than 200；Now completely
In 100Nm or less.The helicopter W.T test control framework of the present embodiment and method improve the safety of test as a result,.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of network-based helicopter W.T test controls framework characterized by comprising server system, Yi Jiyu
Server system network connection trial system, test run information management system, data acquisition with monitoring system, go straight up to
Machine control system and wind-tunnel monitoring system.
2. network-based helicopter W.T test according to claim 1 controls framework, which is characterized in that described to go straight up to
Machine control system, including main rotor dynamical system, main rotor steerable system and main rotor pitch system, tail-rotor dynamical system and tail
Paddle steerable system.
3. network-based helicopter W.T test according to claim 1 controls framework, which is characterized in that the wind-tunnel
Monitoring system, comprising: wind-tunnel ram compression control system, wind-tunnel turntable control system, vibration monitoring system, monitoring and data acquisition are
System and image monitoring system.
4. network-based helicopter W.T test according to claim 1 controls framework, which is characterized in that described to go straight up to
Machine wind tunnel test controls framework and establishes communication by Winsock platform.
5. network-based helicopter W.T test according to claim 4 controls framework, which is characterized in that described to go straight up to
Machine wind tunnel test controls the method that framework establishes communication by Winsock platform are as follows: establishes Winsock clothes in trial system
Business device application program, test run information management system, data acquisition are monitored with monitoring system, Systems of Control for Helicopter and wind-tunnel
System establishes Winsock client application；Respectively server system, trial system, test run information management
System, data acquire corresponding with monitoring system, Systems of Control for Helicopter and the configuration of wind-tunnel monitoring system code name, PORT COM and
IP address.
6. network-based helicopter W.T test according to claim 5 controls framework, which is characterized in that described to go straight up to
Machine wind tunnel test control framework establishes Winsock server application journey in trial system using udp protocol or Transmission Control Protocol
Sequence, test run information management system, data acquisition are established with monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system
Winsock client application.
7. network-based helicopter W.T test according to claim 1 controls framework, which is characterized in that described to go straight up to
Machine wind tunnel test controls framework and carries out data sharing by DataSocket.
8. network-based helicopter W.T test according to claim 1 controls framework, which is characterized in that described to go straight up to
Machine wind tunnel test controls the method that framework carries out data sharing by DataSocket are as follows: acquires with monitoring system, directly in data
It rises machine control system and wind-tunnel monitoring system establishes DataSocket server, in trial system, test run message tube
Reason system, data acquisition establish DataSocket client with monitoring system, Systems of Control for Helicopter and wind-tunnel monitoring system.
9. network-based helicopter W.T test according to claim 1 controls framework, which is characterized in that described to go straight up to
The instruction operation set of machine wind tunnel test control framework are as follows:
10. a kind of network-based helicopter W.T test control method characterized by comprising
Step 1, each system prepares before completing test；
Step 2, trial system is opened networking and is examined and listens, and waits each systems connection and selects network-control, when each systems connection
Normally then follow the steps 3；
Step 3, trial system sends key parameter extremely monitoring and data collection system, and is acquired by monitoring with data and be
System obtains initial reading；After instructing wind-tunnel monitoring system to start to work simultaneously, step 4 is executed；
Step 4, after trial system obtains initial reading, director data acquisition reads initial reading with monitoring system, and judges just
Whether correct read, if correctly thening follow the steps 5, otherwise, checkout facility signal line and monitoring are with data collection system
Setting；
Step 5, trial system transmits main rotor revolving speed to main rotor dynamical system and tail-rotor dynamical system, instructs main rotor
Dynamical system and tail-rotor dynamical system are driven, and wind-tunnel monitoring system and operation information are detected in main rotor and tail-rotor boosting velocity procedure
Whether the fresh relevant parameter of management system is normal, if normal, then step 6 is executed after main rotor revolving speed reaches test speed, otherwise
Dynamical system parking, and check the relevant devices such as dynamical system driver, motor inverter and encoder；
Step 6, trial system starts to test, and gives main rotor management system, tail-rotor steerable system and inclined main axes system
System sends trim parameter, and assigns after instruction reaches corresponding pre- angle setting and start to dry, and executes step 7；
Step 7, trial system sends driving ram compression to wind-tunnel ram compression control system, and sends ram compression and drive to order, and is such as
System is normal to drive, and thens follow the steps 8, otherwise dynamical system is stopped；
Step 8, when wind-tunnel ram compression reaches the test wind equilibrium stage, main rotor management system, tail-rotor steerable system and master
Axis pitch system executes step 9 after carrying out test parameters trim in the case where guarantee test safety；
Step 9, trial system command monitoring and data collection system acquire data, after the completion of acquisition, pass through image monitoring
System processes data is tested to carry out operating plan lower, then repeats step 6~9, no to then follow the steps 10；
Step 10, trial system command wind-tunnel ram compression control system, main rotor dynamical system and the parking of tail-rotor dynamical system.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686856A (en) * | 2019-09-30 | 2020-01-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Vibration monitoring, early warning and safety protection system for wind tunnel test bed of helicopter 2 m-diameter rotor |
| CN112478195A (en) * | 2020-11-20 | 2021-03-12 | 中国直升机设计研究所 | Helicopter comprehensive test method |
| CN114996343A (en) * | 2022-07-18 | 2022-09-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Low-speed wind tunnel test data processing method, equipment and storage medium |
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