CN109703777A - A kind of rudder face card resistance system for fax airplane in transportation category flight test - Google Patents
A kind of rudder face card resistance system for fax airplane in transportation category flight test Download PDFInfo
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Abstract
A kind of rudder face card resistance system for fax airplane in transportation category flight test of the present invention belongs to aerospace applications field.Technical solution of the present invention: characteristic is injected and taken out by analysis fax airplane in transportation category flight control system software and hardware characteristic, Signal averaging, analyzes fax airplane in transportation category rudder face card resistance flight test demand.Hardware module and software module are devised, rudder face card resistance system is constituted, demonstrates the validity of the system finally by the joint-trial of rudder face card resistance system and electric fly-by iron bird platform.Rudder face card resistance system of the present invention, rudder face card resistance flight test suitable for all fax airplane in transportation category, the rudder face card resistance system that the present invention designs is that step command signal is added by the actuator controller of fly-by-wire flight control system, effectively realizes the rudder face card resistance during flight test.
Description
Technical field
A kind of rudder face card resistance system for fax airplane in transportation category flight test of the present invention belongs to aerospace applications field.
Background technique
The 25.671st article of general provisions (c) article of China Civil Aviation Regulations the 25th (CCAR25-R4) provide as follows:
It " must be shown that flight control system and rudder occur in normal flight envelope curve with analysis, test or both dual-purpose
After certain failures or card resistance in face (including trim, lift, resistance and sensory system), driving skills or physical strength that should not be special,
Aircraft remains to continue safe flight and landing.The function being likely to occur it is abnormal must the work to steerable system only generate it is small
Influence and it is necessary to be that driver is readily susceptible to take some countermeasures ".
Flight test needs to verify thus, and in flight course after card resistance has occurred in aircraft rudder surface, the manipulation of aircraft is special
Property.And the degree of bias for how allowing the aircraft rudder surface card resistance during flight test to require in experimenter, and can be restored in time just again
Normal operation state, this is the key technology point of rudder face card resistance flight test, becomes the key technology of verifying CCAR25 relevant provision
Difficult point.
Only carried out the rudder face card resistance flight test of ARJ21-700 aircraft, including unilateral aileron, unilateral lifting at present in China
Rudder and rudder card resistance.It is by devising a set of control stick that can be applied to the card resistance between actuator controller access
System realizes the rudder face card resistance during flight test.And the flight control system of ARJ21-700 aircraft is not electric fly-by system
System, used card resistance system are not suitable for and fax airplane in transportation category.
A kind of rudder face card resistance system for fax airplane in transportation category flight test proposed by the present invention transports class for fax
Aircraft carries out rudder face card resistance flight test, provides effective technical support, so as to effectively be verified by flight test
The relevant provision of CCAR25 carries out the work of seaworthiness certification for fax airplane in transportation category and provides technical support, is also military
Fax airplane in transportation category carries out rudder face card resistance flight test and provides advantageous guarantee.
Summary of the invention
Object of the present invention is to: a kind of rudder face card resistance system for fax airplane in transportation category flight test is designed, is solved
The problem of fax airplane in transportation category rudder face card resistance flight test rudder face card resistance support technology shortage, in rudder face card resistance flight test mistake
Journey the degree of bias that aircraft rudder surface card resistance can be made to require in experimenter and is restored to normal in time by the rudder face card resistance system
Operation state ensures flight test safety.
Technical solution of the present invention:
A kind of rudder face card resistance system for fax airplane in transportation category flight test, which is characterized in that the rudder face card resistance
System includes CPU module, analog signals sending module, discrete magnitude signal sending module, discrete magnitude signal receiving module, simulation
Measure receiving module, security monitoring cuts off the software module of module, human-computer interaction interface, power module, card resistance system:
CPU module: the CPU module can generate discrete magnitude signal, step command signal and pre-programmed threshold values in real time
Signal；
Analog signals the sending module: -10V to 10V that the analog signals sending module can generate CPU module
Step command signal in range of voltage values is exported to the actuator controller of aircraft；
Discrete magnitude signal sending module: the discrete magnitude signal sending module can by real time by CPU module generate from
Amount signal is dissipated, is exported to the main flight-control computer of aircraft；
Discrete magnitude signal receiving module: the discrete magnitude signal receiving module can real-time reception from aircraft fax fly
The discrete magnitude signal that control computer is sent, and the discrete magnitude signal received is sent to CPU module in real time；
Analog signals receiving module: the analog signals receiving module is capable of the actuator control of real-time reception aircraft
The analog signals that device issues, and the signal received in real time is driven to CPU module；
Security monitoring cuts off module: the security monitoring excision module has the function of two classes, first is that the security monitoring is cut
Except module is after receiving the step command signal excision signal of CPU module sending, CPU module sending can be cut off automatically immediately
Step command signal；Second is that the security monitoring excision module can be in the step command signal for receiving human-computer interaction interface sending
The step command signal of CPU module sending is cut off after excision signal immediately；
Human-computer interaction interface: driver by the human-computer interaction interface can real-time control by the type of card resistance rudder face,
Card resistance angle；It can be added in real time and normal termination step command signal；Pilot can pass through the man-machine friendship immediately
Mutual interface issues excision step command signal；
Power module: the power module sends mould to CPU module, analog signals receiving module, analog signals simultaneously
Block, discrete magnitude signal receiving module, discrete magnitude signal sending module, security monitoring excision module and human-computer interaction interface supply
Electricity；
The software module of rudder face card resistance system: the hardware module operating of rudder face card resistance system, the card resistance system are used to support
The software module of system is run in CUP hardware module comprising following module:
Step command signal calculates generation module, and step command signal calculates generation module by step command signal and is sent to
Analog signals are sent to the actuator controller of aircraft by analog signals sending module, analog signals sending module again；
Analog signals compare computing module, are sent to the analog signals received by analog signals receiving module
Analog signals compare computing module, and analog signals compare computing module, and the analog signals received and CPU module are pre-
Programming threshold values is compared calculating, if analog signals compare the analog signals that computing module receives and are greater than CPU module
Pre-programmed threshold values, then CPU module is by cutting off the instruction that module issues excision step command signal, security monitoring to security monitoring
It cuts off module and cuts off step command signal, if analog signals compare the analog signals that computing module receives and are less than CPU mould
The pre-programmed threshold values of block, then rudder face card resistance system works on；
Discrete magnitude signal generation module, the discrete magnitude signal generation module generates discrete magnitude signal, and discrete magnitude is believed
Number it is sent to discrete magnitude signal sending module, discrete magnitude signal is sent to aircraft master again and flown by the discrete magnitude signal sending module
Row control computer；
Discrete magnitude signal compares computing module, and the discrete magnitude signal receiving module sends the discrete magnitude signal received
Compare computing module to discrete magnitude signal, discrete magnitude signal compares computing module for the discrete magnitude signal received and CPU module
The threshold values of pre-programmed is compared calculating, if the discrete magnitude signal that discrete magnitude signal receiving module receives is pre- equal to CPU module
The threshold values of programming, security monitoring cut off module cut off step command signal, if discrete magnitude signal receiving module receive it is discrete
The pre-programmed threshold values that signal is not equal to CPU module is measured, then rudder face card resistance system works on.
A kind of rudder face card resistance system for fax airplane in transportation category flight test as described in claim 1, feature
It is, the step command signal amplitude that CPU module generates in real time can pass through man-machine friendship in rudder face card resistance system operation
Mutual interface adjusts step command signal amplitude in real time；
A kind of rudder face card resistance system for fax airplane in transportation category flight test as described in claim 1, feature
It is, step command signal calculates generation module, 60 kinds or more of step signal can be generated, for logical during flight test
Cross human-computer interaction interface selection；
A kind of rudder face card resistance system for fax airplane in transportation category flight test as described in claim 1, feature
It is, the step that human-computer interaction interface can be issued by the display real-time display CPU module on human-computer interaction interface instructs
Signal.
The advantages of this invention, is:
A) a kind of rudder face card resistance system for fax airplane in transportation category flight test can be used in fax airplane in transportation category
The rudder face card resistance system of flight test is suitable for various fax airplane in transportation category, reusable；
B) it can be realized the card resistance to aircraft aileron, elevator, rudder and spoiler；
C) aircraft can quickly be made to restore normal operational state.
Detailed description of the invention:
The crosslinking relational graph of Fig. 1 rudder face card resistance system basic principle and card resistance system and fly-by-wire flight control system；
The crosslinking relational graph of Fig. 2 rudder face card resistance system and fly-by-wire flight control system；
Fig. 3 aileron card resistance result schematic diagram；
Fig. 4 elevator card resistance result schematic diagram；
Fig. 5 rudder card resistance result schematic diagram；
Fig. 6 spoiler card resistance result schematic diagram.
Specific embodiment:
The present invention is described in more detail with reference to the accompanying drawing.
A kind of rudder face card resistance system for fax airplane in transportation category flight test, in research fax airplane in transportation category fax
On the basis of flight control system software and hardware characteristic, according to the rudder face card resistance demand of fax airplane in transportation category rudder face card resistance flight test,
Design the rudder face card resistance system that can support fax airplane in transportation category rudder face card resistance flight test, the rudder face card resistance system packet
CPU module, analog signals sending module, discrete magnitude signal sending module, discrete magnitude signal receiving module, analog quantity is included to receive
Module, security monitoring cut off the software module of module, human-computer interaction interface, power module, card resistance system.
The rudder face card resistance system is directly by being superimposed rudder face rank to the actuator controller of aircraft fly-by-wire flight control system
Jump command signal, and come the degree of bias for requiring rudder face card resistance in experimenter, this is entirely different with the rudder face card resistance system used in the past.
The design of rudder face card resistance system is based on soft or hard to fax airplane in transportation category fly-by-wire flight control system fly-by-wire flight control system
Part characteristic, Signal averaging injection and taking-up specificity analysis, and to fax airplane in transportation category rudder face card resistance flight test demand point
It is proposed on the basis of analysis, is completely suitable for fax airplane in transportation category rudder face card resistance flight test.
The design of rudder face card resistance system hardware and software module, it is contemplated that this high risk of rudder face card resistance flight test flies
Row test subject, during flight test, driver can make rudder face by rudder face card resistance system, and card resistance is being tested as required
The degree of bias that person requires, also can make aircraft be restored to normal operational state, once and aircraft there is the abnormal conditions system can be from
It is dynamic quickly aircraft to be made to be restored to normal operational state, or so that aircraft is quickly recovered to normal condition by driver.
A kind of rudder face card resistance system for fax airplane in transportation category flight test, the specific steps are as follows:
Step 1: analysis fax airplane in transportation category fly-by-wire flight control system software and hardware characteristic, Signal averaging injection and taking-up side
Formula.
From fax airplane in transportation category control system composition, analysis fax airplane in transportation category fly-by-wire flight control system first is hard
Part is constituted, as shown in Fig. 1, including driver input device: control wheel, pedal and spoiler control crank, main flight control
Computer, actuator controller and flight rudder face.
Software operation characteristic is analyzed, between actuator controller and Primary Flight Computer, air data system and main flight
It is that information transmission is carried out by digital signal between control computer.Control wheel, pedal and spoiler control crank and actuator
Between controller, actuator controller transmitted between flight rudder face by analog signal.
Actuator controller is the important component of fly-by-wire flight control system, it also has and can be superimposed external demand signal
Function and hardware interface, and the command signal of the superposition be analog quantity.Simultaneously also aircraft can be extracted from actuator controller
State characteristic parameter.
Step 2: analysis fax airplane in transportation category rudder face card resistance flight test demand.
From rudder face card resistance type, rudder face card resistance degree of bias range, card resistance time demand, port number, the card resistance of card resistance add simultaneously
Enter mode, card resistance withdrawing mode, card resistance emergency excision mode, card resistance safeguard protection etc. to set out, analysis rudder face card resistance flight
Test demand, to design the rudder face card resistance system for meeting card resistance flight test demand, whether verifying fax airplane in transportation category
Meet 25.671 general provisions (c) item regulations.Fax airplane in transportation category needs respectively during rudder face card resistance flight test to pair
The wing, rudder, elevator and spoiler card resistance, while the degree of bias of card resistance is larger.It is guarantee rudder during card resistance flight test
When face enters card resistance position and exits card resistance position, does not generate the card resistance for needing rudder face compared with large disturbances to aircraft and exit with one
Fixed mode slowly carries out.For the safety for ensureing flight test, driver should be able to quickly exit card resistance state at any time.For
Some fax airplane in transportation category, can have side has inside and outside two pieces of ailerons or two pieces of elevators or rudder to have upper and lower two
Situations such as block, and two pieces of rudder faces are to control respectively, this requires card resistance systems being capable of two pieces of rudder faces of card resistance simultaneously.
Step 3: fax airplane in transportation category is designed on the basis of fly-by-wire flight control system characteristic and rudder face card resistance demand analysis
The hardware module of rudder face card resistance system, the rudder face card resistance system include CPU module, analog signals sending module, discrete magnitude
Signal transmitting module, discrete magnitude signal receiving module, analog quantity receiving module, security monitoring excision module, human-computer interaction interface,
The software module of power module, card resistance system.The basic principle and card resistance system and fly-by-wire flight control system of rudder face card resistance system
Crosslinking relationship it is as shown in Fig. 1.
CPU module: the CPU module can generate discrete magnitude signal, step command signal and pre-programmed threshold values in real time
Signal；Discrete magnitude signal will be conveyed to discrete magnitude signal sending module, and step command signal will be conveyed to analog signals transmission
Module, pre-programmed threshold signal compares computing module for analog signals and discrete magnitude signal compares the calculating ratio of computing module
Compared with；The step command signal amplitude that CPU module generates in real time can pass through human-computer interaction in rudder face card resistance system operation
Interface adjusts step command signal amplitude in real time；
Analog signals sending module: the step that the analog signals sending module can generate CPU module instructs
Signal is exported to the actuator controller of aircraft；
Discrete magnitude signal sending module: the discrete magnitude signal sending module can by real time by CPU module generate from
Amount signal is dissipated, is exported to the main flight-control computer of aircraft；
Discrete magnitude signal receiving module: the discrete magnitude signal receiving module can real-time reception from aircraft fax fly
The discrete magnitude signal that control computer is sent, and the discrete magnitude signal received is sent to CPU module in real time；
Analog signals receiving module: the analog signals receiving module is capable of the actuator control of real-time reception aircraft
The analog signals that device issues, and the signal received in real time is driven to CPU module；
Security monitoring cuts off module: the security monitoring excision module has the function of two classes, first is that the security monitoring is cut
Except module is after receiving the step command signal excision signal of CPU module sending, CPU module sending can be cut off automatically immediately
Step command signal；Second is that the security monitoring excision module can be in the step command signal for receiving human-computer interaction interface sending
The step command signal of CPU module sending is cut off after excision signal immediately；
A personal-machine interactive interface is designed, which has following function:
A) driver by the human-computer interaction interface can real-time control by the type of card resistance rudder face, rudder face card resistance angle；
B) it can be added in real time and normal termination step command signal；
C) driver can issue the signal of excision step command signal by the human-computer interaction interface immediately；
D) step that human-computer interaction interface can be issued by the display real-time display CPU module on human-computer interaction interface
Command signal.
Power module: the power module sends mould to CPU module, analog signals receiving module, analog signals simultaneously
Block, discrete magnitude signal receiving module, discrete magnitude signal sending module, security monitoring excision module and human-computer interaction interface supply
Electricity；Aircraft power system can power to the power module.
The software module of rudder face card resistance system: the hardware module operating of rudder face card resistance system, the card resistance system are used to support
The software module of system is run in CUP hardware module comprising following module:
Step command signal calculates generation module, and step command signal calculates generation module by step command signal and is sent to
Analog signals are sent to the actuator controller of aircraft by analog signals sending module, analog signals sending module again；
Step command signal calculates generation module, can generate 60 kinds or more of step signal, for passing through people during flight test
Machine interactive interface is selected；
Analog signals compare computing module, are sent to the analog signals received by analog signals receiving module
Analog signals compare computing module, and analog signals compare computing module, and the analog signals received and CPU module are pre-
Programming threshold values is compared calculating, if analog signals compare the analog signals that computing module receives and are greater than CPU module
Pre-programmed threshold values, then CPU module is by cutting off the instruction that module issues excision step command signal, security monitoring to security monitoring
It cuts off module and cuts off step command signal, if analog signals compare the analog signals that computing module receives and are less than CPU mould
The pre-programmed threshold values of block, then rudder face card resistance system works on；
Discrete magnitude signal generation module, the discrete magnitude signal generation module generates discrete magnitude signal, and discrete magnitude is believed
Number it is sent to discrete magnitude signal sending module, discrete magnitude signal is sent to aircraft master again and flown by the discrete magnitude signal sending module
Row control computer；
Discrete magnitude signal compares computing module, and the discrete magnitude signal receiving module sends the discrete magnitude signal received
Compare computing module to discrete magnitude signal, discrete magnitude signal compares computing module for the discrete magnitude signal received and CPU module
The threshold values of pre-programmed is compared calculating, if the discrete magnitude signal that discrete magnitude signal receiving module receives is pre- equal to CPU module
The threshold values of programming, security monitoring cut off module cut off step command signal, if discrete magnitude signal receiving module receive it is discrete
The pre-programmed threshold values that signal is not equal to CPU module is measured, then rudder face card resistance system works on.
Step 5: carrying out rudder face card resistance system and electric fly-by iron bird platform joint-trial is tested
After completing the design of rudder face card resistance system, carries out rudder face card resistance system and aircraft electricity fly-by iron bird platform joint-trial is tested.
By designed rudder face card resistance system according to attached crosslinking relationship shown in Fig. 2, it is attached with aircraft fly-by-wire flight control system.Respectively
Complete aileron, rudder, elevator and spoiler card resistance.
By taking aileron card resistance as an example, illustrate the operation logic of rudder face card resistance system.Experimenter is selected by human-computer interaction interface
By card resistance rudder face aileron, the size of the card resistance degree of bias is selected, step command signal is then added.Rudder face card resistance system can be first to winged
The main flight-control computer of machine fly-by-wire flight control system sends a discrete magnitude signal, and the version of aircraft fly-by-wire flight control system will be certainly
Dynamic to be switched to rudder face card resistance flight control system version, and then card resistance system sends step command signal to actuator controller, makes
The degree of bias that aileron card resistance is selected to experimenter.After pilot completes flight test movement, pass through rudder face card resistance system
Human-computer interaction interface selects stop signal, and rudder face card resistance system terminates step command signal first, immediately controls to main flight
Computer processed sends a discrete magnitude signal, and fly-by-wire flight control system version is switched to just by rudder face card resistance flight control system version at this time
Normal flight control system version.
Finally test data is analyzed, demonstrates the validity of rudder face card resistance system.Wherein aileron card resistance result is such as
Shown in attached drawing 3, rudder card resistance result is as shown in Fig. 4, and elevator card resistance result is as shown in Fig. 6, spoiler card resistance result
As shown in Fig. 6.From Fig. 3, Fig. 4 and Fig. 5 as can be seen that after step command signal is added in card resistance system, corresponding rudder face
Can the degree of bias that is required in experimenter of card resistance, meet test requirements document.
Claims (4)
1. a kind of rudder face card resistance system for fax airplane in transportation category flight test, which is characterized in that rudder face card resistance system
System includes CPU module, analog signals sending module, discrete magnitude signal sending module, discrete magnitude signal receiving module, analog quantity
Receiving module, security monitoring cut off the software module of module, human-computer interaction interface, power module, card resistance system:
CPU module: the CPU module can generate discrete magnitude signal, step command signal and pre-programmed threshold signal in real time；
Analog signals sending module: -10V to the 10V voltage that the analog signals sending module can generate CPU module
Step command signal within the scope of value is exported to the actuator controller of aircraft；
Discrete magnitude signal sending module: the discrete magnitude that the discrete magnitude signal sending module will in real time can generate CPU module
Signal is exported to the main flight-control computer of aircraft；
Discrete magnitude signal receiving module: the discrete magnitude signal receiving module being capable of electric fly-by meter of the real-time reception from aircraft
The discrete magnitude signal that calculation machine is sent, and the discrete magnitude signal received is sent to CPU module in real time；
Analog signals receiving module: the analog signals receiving module is capable of the actuator controller hair of real-time reception aircraft
Analog signals out, and the signal received in real time is driven to CPU module；
Security monitoring cuts off module: the security monitoring excision module has the function of two classes, first is that the security monitoring cuts off mould
Block can cut off the step of CPU module sending after receiving the step command signal excision signal of CPU module sending automatically immediately
Command signal；Second is that the security monitoring excision module can be in the step command signal excision for receiving human-computer interaction interface sending
The step command signal of CPU module sending is cut off after signal immediately；
Human-computer interaction interface: driver by the human-computer interaction interface can real-time control by the type of card resistance rudder face, card resistance
Angle；It can be added in real time and normal termination step command signal；Pilot can pass through human-computer interaction circle immediately
Face issues excision step command signal；
Power module: the power module simultaneously to CPU module, analog signals receiving module, analog signals sending module, from
Dissipate amount signal receiving module, discrete magnitude signal sending module, security monitoring excision module and human-computer interaction interface power supply；
The software module of rudder face card resistance system: being used to support the hardware module operating of rudder face card resistance system, the card resistance system
Software module is run in CUP hardware module comprising following module:
Step command signal calculates generation module, and step command signal calculates generation module by step command signal and is sent to simulation
Signal transmitting module is measured, analog signals are sent to the actuator controller of aircraft by analog signals sending module again；
Analog signals compare computing module, send the analog signals received to simulation by analog signals receiving module
Amount signal compares computing module, and analog signals compare computing module for the analog signals received and CPU module pre-programmed
Threshold values is compared calculating, if analog signals compare the analog signals that computing module receives and are greater than prelisting for CPU module
Journey threshold values, then CPU module is by cutting off the instruction that module issues excision step command signal, security monitoring excision to security monitoring
Module cuts off step command signal, if analog signals compare the analog signals that computing module receives and are less than CPU module
Pre-programmed threshold values, then rudder face card resistance system works on；
Discrete magnitude signal generation module, the discrete magnitude signal generation module generates discrete magnitude signal, and discrete magnitude signal is sent out
Discrete magnitude signal sending module is given, discrete magnitude signal is sent to the main flight of aircraft again and controlled by the discrete magnitude signal sending module
Computer processed；
Discrete magnitude signal compares computing module, the discrete magnitude signal receiving module by the discrete magnitude signal received be sent to from
It dissipates amount signal and compares computing module, discrete magnitude signal compares computing module and the discrete magnitude signal received prelists with CPU module
The threshold values of journey is compared calculating, if the discrete magnitude signal that discrete magnitude signal receiving module receives is equal to CPU module pre-programmed
Threshold values, security monitoring cut off module cut off step command signal, if discrete magnitude signal receiving module receive discrete magnitude letter
Number be not equal to CPU module pre-programmed threshold values, then rudder face card resistance system works on.
2. a kind of rudder face card resistance system for fax airplane in transportation category flight test as described in claim 1, feature exist
In the step command signal amplitude that CPU module generates in real time can pass through human-computer interaction in rudder face card resistance system operation
Interface adjusts step command signal amplitude in real time.
3. a kind of rudder face card resistance system for fax airplane in transportation category flight test as described in claim 1, feature exist
In step command signal calculates generation module, 60 kinds or more of step signal can be generated, for passing through during flight test
Human-computer interaction interface is selected.
4. a kind of rudder face card resistance system for fax airplane in transportation category flight test as described in claim 1, feature exist
In the step that human-computer interaction interface can be issued by the display real-time display CPU module on human-computer interaction interface instructs letter
Number amplitude.
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| CN201811263986.6A CN109703777B (en) | 2018-10-26 | 2018-10-26 | Control surface blocking system for fly test of telex transport type airplane |
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| CN109703777B CN109703777B (en) | 2022-04-19 |
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| CN109703777B (en) | 2022-04-19 |
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