Takeoff and landing are slided and run performance synthesis verification platform
Technical field
Slided the present invention relates to a kind of takeoff and landing and run performance synthesis verification platform.
Background technology
Fast development and complicated international situation with modern industry and science and technology, major states all step up
The carrying out of development of new aircraft, China has also started the tide of all types of aircrafts of development.It is well known that the development of an airplane is needed
Exploration, development, prototyping testing finally ability volume production are experienced, the development time is very long, is especially needed after the completion of prototype design
Carry out substantial amounts of ground roll-out experiment, can just carry out landing experiment, that because, only possess simple undercarriage rear wheel brake power
Test and brake torque measurement analysis ability, have certain technological reserve to the detection of brake system Laws of Mechanics, and cunning was run
The performance test of journey can only slide race experiment to complete by outfield.
The sliding race performance and control law of current aircraft are estimated, evaluated and verification experimental verification ability, lack complete set
Comprehensive simulation (airplane inertial, running speed, crosswind load and runway state etc.) and performance verification equipment.Before can only be by taking a flight test
It is sliding run experiment and carry out performance test, it not only takes time and effort, and there is certain technical risk, tends not to limit wind resistance energy
The aspects such as power, complicated runway environment adaptability carry out comprehensive assessment, and carrying for race performance is slided in the landing that significantly limit aircraft
Rise and comprehensive assessment.
The content of the invention
In view of the above problems, slided it is an object of the invention to provide a kind of takeoff and landing and run performance synthesis verification platform, collection flies
Machine inertia simulation, crosswind are load simulated, sliding speed simulation, runway state simulation and brake be controlled in one versatility it is very strong
All-around test stand, it is possible to achieve the simulation of race process total factor and test assessment are slided in takeoff and landing.
Therefore, the present invention provides a kind of takeoff and landing slides race performance synthesis verification platform, including:Aircraft simulation system,
Undercarriage wheel system, brake system, crosswind simulated loading system, runway simulation system and TT&C simulation system etc..It is described to fly
Row device simulation system include flight simulator, balancing weight, hydraulic loading system, the weight according to real aircraft with centroid position,
Position and quantity by balancing weight in change of flight simulator, the centroid position of simulated flight simulator, according to centroid position
The fixed position of hydraulic loading system and stretching for hydraulic cylinder are adjusted, gravitational load is carried out in centroid position, true simulation flies
The weight and centroid position of machine, true simulation airframe inertial properties;The undercarriage wheel and brake simulation system can
It is simulated with using real aircraft undercarriage or approximation system;Crosswind simulated loading system can be logical according to actual crosswind loading spectrum
Crossing four sets of hydraulic loading systems carries out side force and the simulation of side force square;Runway simulation system be not only able to simulation aircraft running speed and
Aircraft equivalent inertia, can also be by surface attachment material simulation runway environment;TT&C simulation system to various performances except joining
Number (running speed, course heading, loading force, brake torque etc.) measure outside, can also carry out vision simulation simulation and
Brake control strategy research.
The wind load simulated loading system includes four sets of hydraulic loading systems, and flight simulator both sides are designed with two
Hydraulic loading system, truly simulates Lateral Wind, can simulate maximum crosswind load for 7 grades, can on a large scale examine aircraft to slide
Race process is influenceed by crosswind load.
The hydraulic loading system includes fixed ear base, axle, hydraulic cylinder, force snesor, effect ear mount, and fixed ear base is by liquid
Pressure system is fixed on framework, and effect ear mount is acted on flight simulator, control system control hydraulic cylinder extension, and by power
Sensor real-time detection acts on the size of the active force on flight simulator, realizes the real-time precise control of loading force.
The framework is the mounting platform of hydraulic loading system, including crossbeam, vertical beam are welded using van-type floor,
And it is designed with reinforcing rib structure, it is ensured that the requirement of intensity and toughness.
The runway simulation system is made up of three sets of motion simulators, often covers motion simulator and is independently placed in flight mould
Intend device wheel lower section, by Action of Gravity Field, flight simulator wheel is reliably pressed in motion simulator;The motion simulation
Device includes simulation runway, motor, driven pulley, inertia disc, nut, driving wheel, support frame, and motor drives driving wheel to rotate, and
Runway motion is driven, the translational speed of runway is controlled by controlled motor rotating speed, so that true simulated flight device is in sliding race process
In wheel speed, the side of driven pulley is designed with inertia disc, and reliably fixed with nut, by changing inertia disc mode come mould
Intend the load of unmanned plane linear inertia;In view of existing type and its subsequent expansion, running speed is determined in 0~300km/h.
The wheel center of the flight simulator back two is designed with angular encoder, real-time detection flight simulator
Course angle.
The simulation runway can lay different materials on analog orbit surface according to actual needs, simulate Different climate
Runway attachment coefficient under the conditions of (sleet, greasy weather gas).
The present invention can slide race process and carry out total factor simulation and emulation to takeoff and landing, fed back by course and braked
Power closed-loop control, and optimal landing cunning race control strategy and method can be given.
The platform also includes control system, with to test parameters on-line real time monitoring, the emulation of panorama simulation animation and boat
To correction Real Time Control Function, and comprehensive assessment is carried out to unmanned plane landing cunning race performance by on-line analysis assessment optimization software
And analysis, it is that the design of type aircraft Landing Gear System, the design of sliding race control rate and whole machine inertia are distributed rationally and provides important reason
By, emulation and test basis.
The present invention can be designed and the optimization of whole machine inertia for active service or the design of type Aircraft landing gear system, sliding control rate of running is ground
Configuration provides early stage theory, emulation and test basis.Solution can only study its control strategy in the sliding race stage of taking a flight test at this stage
Problem, and then outfield cunning race experimentation cost and risk is greatly reduced.
Brief description of the drawings
Fig. 1 is that race performance synthesis verification platform axonometric drawing 1 is slided in the takeoff and landing of an implementation method of the invention;
Fig. 2 is that race performance synthesis verification platform axonometric drawing 2 is slided in the takeoff and landing of an implementation method of the invention;
Fig. 3 is that race performance synthesis verification platform top view is slided in the takeoff and landing of an implementation method of the invention;
Fig. 4 is that race performance synthesis verification platform left view is slided in the takeoff and landing of an implementation method of the invention;
Fig. 5 is that the gimbal axis survey of race performance synthesis verification platform is slided in the takeoff and landing of an implementation method of the invention
Figure;
Fig. 6 is that race performance synthesis verification platform framework main view is slided in the takeoff and landing of an implementation method of the invention
Figure;
Fig. 7 is that race performance synthesis verification platform hydraulic loaded dress is slided in the takeoff and landing of an implementation method of the invention
Put axonometric drawing;
Fig. 8 is that race performance synthesis verification platform Aircraft Simulator is slided in the takeoff and landing of an implementation method of the invention
And motion simulator front view;
Fig. 9 is that race performance synthesis verification platform Aircraft Simulator is slided in the takeoff and landing of an implementation method of the invention
And motion simulator axonometric drawing 1;
Figure 10 is that race performance synthesis verification platform plane simulation is slided in the takeoff and landing of an implementation method of the invention
Device and motion simulator axonometric drawing 2;
Figure 11 is that the verification platform motion simulation of race performance synthesis is slided in the takeoff and landing of an implementation method of the invention
Device axonometric drawing;
In figure:1st, framework;2nd, Aircraft Simulator;3rd, motion simulator;4th, ground;5th, hydraulic loading device;6th, crossbeam;
7th, vertical beam;8th, reinforcement;9th, fixed ear base;10th, axle;11st, hydraulic cylinder;12nd, force snesor;13rd, ear mount is acted on;14th, brake system
System;15th, aircraft wheel;16th, runway is simulated;17th, motor;18th, driven pulley;19th, inertia disc;20th, nut;21st, driving wheel;22nd, prop up
Support.
Specific embodiment
Describe in detail below in conjunction with the accompanying drawings according to the embodiment of the present invention.
As shown in figure 1, magnetostrictive actuator includes:It is comprehensive race performance to be slided it is an object of the invention to provide a kind of takeoff and landing
Verification platform is closed, the simulation of collection airplane inertial, load simulated crosswind, sliding speed simulation, runway state simulation and brake are controlled in
The very strong all-around test stand of the versatility of one, it is possible to achieve the simulation of race process total factor and test assessment are slided in takeoff and landing.
Therefore, the present invention provides a kind of takeoff and landing slides race performance synthesis verification platform, including:Aircraft simulation system,
Undercarriage wheel system, brake system, crosswind simulated loading system, runway simulation system and TT&C simulation system etc..It is described to fly
Row device simulation system includes flight simulator 2, balancing weight, hydraulic loading system 5, and the weight according to real aircraft is with barycenter position
Put, position and quantity by balancing weight in change of flight simulator 2, the centroid position of simulated flight, adjusted according to centroid position
The fixed position of whole hydraulic loading system 5 and stretching for hydraulic cylinder 11, gravitational load is carried out in centroid position, and true simulation flies
The weight and centroid position of machine, true simulation airframe inertial properties;The undercarriage wheel and brake simulation system 14
Can be simulated using real aircraft undercarriage or approximation system;Crosswind simulated loading system can be according to actual crosswind loading spectrum
Side force is carried out by four sets of hydraulic loading systems 5 and side force square is simulated;Runway simulation system is not only able to simulation aircraft and slides race speed
Degree and aircraft equivalent inertia, can also be by surface attachment material simulation runway environment;TT&C simulation system is except to various property
Outside energy parameter (running speed, course heading, loading force, brake torque etc.) is measured, vision simulation mould can also be carried out
Fit brake control strategy research.
The wind load simulated loading system includes four sets of hydraulic loading systems 5, and flight simulator both sides are designed with two
Individual hydraulic loading system 5, truly simulates Lateral Wind, can simulate maximum crosswind load for 7 grades, can on a large scale examine aircraft
Sliding race process is influenceed by crosswind load.
The hydraulic loading system includes fixed ear base 9, axle 10, hydraulic cylinder 11, force snesor 12, effect ear mount 13, Gu
Determine ear mount 9 hydraulic system is fixed on framework 1, on flight simulator 2, control system controls hydraulic pressure for effect ear mount effect 9
Cylinder 11 is stretched, and the size of the active force on flight simulator is acted on by the real-time detection of force snesor 12, realizes loading force
Real-time precise control.
The framework 1 is the mounting platform of hydraulic loading system, including crossbeam 6, vertical beam 7, using the welding of van-type floor
Into, and it is designed with reinforcing rib structure, it is ensured that the requirement of intensity and toughness.
The runway simulation system is made up of three sets of motion simulators 3, often covers motion simulator 3 and is independently placed in flight
The lower section of simulator wheel 15, by Action of Gravity Field, flight simulator wheel 15 is reliably pressed in motion simulator 3;It is described
Motion simulator 3 includes simulation runway 16, motor 17, driven pulley 18, inertia disc 19, nut 20, driving wheel 21, support frame
22, motor 17 drives driving wheel 21 to rotate, and drives runway 16 to move, and the movement of runway 16 is controlled by the rotating speed of controlled motor 17
Speed, so that true simulated flight device 2 is sliding the wheel speed during running, the side of driven pulley 16 is designed with inertia disc 19,
And it is reliable fixed with nut 20, the load of unmanned plane linear inertia is simulated by changing the mode of inertia disc 19;In view of existing machine
Type and its subsequent expansion, running speed are determined in 0~300km/h.
The center of wheel 15 of the flight simulator back two is designed with angular encoder, real-time detection flight simulator
Course angle.
The simulation runway 16 can lay different materials on analog orbit surface according to actual needs, simulate different gas
Wait the runway attachment coefficient under the conditions of (sleet, greasy weather gas).
The present invention can slide race process and carry out total factor simulation and emulation to takeoff and landing, fed back by course and braked
Power closed-loop control, and optimal landing cunning race control strategy and method can be given.
The platform also includes control system, with to test parameters on-line real time monitoring, the emulation of panorama simulation animation and boat
To correction Real Time Control Function, and comprehensive assessment is carried out to unmanned plane landing cunning race performance by on-line analysis assessment optimization software
And analysis, it is that the design of type aircraft Landing Gear System, the design of sliding race control rate and whole machine inertia are distributed rationally and provides important reason
By, emulation and test basis.
The working method that an illustrative embodiments for running performance synthesis verification platform are slided in takeoff and landing is as follows, it is also possible to
Other modes work.
Organism parameter first according to actual tested aircraft is entered by counterweight mode to the weight and barycenter of flight simulator 2
Row regulation, then Cross Wind Force is simulated by lateral force loading device 5, by being arranged in the midpoint of two trailing wheel of flight simulator 15 position
The angular encoder put carrys out survey aircraft course angle, used as the feedback signal of brake correction closed-loop control.Start runway simulation dress
3 are put, that is, is arranged in the runway under three wheels to simulate takeoff and landing speed and equivalent inertia, control system is according to course
The change at angle carries out brake weight closed-loop control, and the dynamic vision panorama emulation display on simulation computer in real time.By measuring,
Monitoring, emulation and control process analysis system slide race performance and carry out comprehensive assessment and evaluation to the landing of tested unmanned plane, and can
Provide optimal landing and slide race control strategy and method.
The present invention can be designed and the optimization of whole machine inertia for active service or the design of type Aircraft landing gear system, sliding control rate of running is ground
Configuration provides early stage theory, emulation and test basis.Solution can only study its control strategy in the sliding race stage of taking a flight test at this stage
Problem, and then outfield cunning race experimentation cost and risk is greatly reduced.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.