CN103308327A - In-loop real-time simulation test system for suspension component - Google Patents
In-loop real-time simulation test system for suspension component Download PDFInfo
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- CN103308327A CN103308327A CN2012100572694A CN201210057269A CN103308327A CN 103308327 A CN103308327 A CN 103308327A CN 2012100572694 A CN2012100572694 A CN 2012100572694A CN 201210057269 A CN201210057269 A CN 201210057269A CN 103308327 A CN103308327 A CN 103308327A
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Abstract
The invention relates to a performance test system for a vehicle suspension component and specifically relates to an in-loop real-time simulation test system for a suspension component. The system comprises a real-time dynamical model for a vehicle, an in-loop real-time simulation test control system for a suspension component and a real object test bench for a suspension component, wherein the in-loop real-time simulation test control system for a suspension component is used for realizing communication connection between and control on the real-time dynamical model for a vehicle and the real object test bench for a suspension component. A real-time simulation test is conducted through closed-loop connection of a real object of the suspension component and the real-time dynamical model for a vehicle. With the system, the problem of whole-vehicle dynamical stimulation of some suspension components which can hardly be accurately modeled is solved to a certain extent. Thus, the test system is of great importance to the study of performance of a suspension component and matching between the suspension component and a whole vehicle.
Description
Technical field
The present invention relates to a kind of vehicle suspension component Performance Test System, a kind of sprung parts is in ring real-time simulation pilot system specifically, and it is connected to carry out the real-time simulation test by sprung parts material object and vehicle Real-time dynamics model are carried out closed loop.
Background technology
In the vehicle R﹠D process, dynamic analysis is a kind of effective means.Parts simple in structure for some, that influence factor is less carry out Dynamic Modeling to it and often can arrive satisfied precision.Yet, more to some complex structures, influence factor, as to have strong nonlinearity parts, modeling may run into very large difficulty; If pursue merely method, improve model accuracy, on the one hand so that the kinetic model of care parts is very complicated, so model solution is extremely slow, thereby can't satisfy the needs of Full Vehicle Dynamics emulation; On the other hand, for some complicated structure and influence factor, often can't find suitable expression during Dynamic Modeling, thereby these factors are simplified, some simplification will bring larger error.For some baroque sprung parts, often on test-bed, record the external characteristics of these parts on the engineering according to certain specification, then, use the external characteristics of these parts to carry out simulation analysis.This has satisfied the needs of Dynamics Simulation Analysis to a certain extent.Yet the method also has certain limitation, and on the one hand, the test operating mode of sprung parts often there are differences with its real motion operating mode, and therefore, the parts external characteristics of bench test test often has larger difference with its performance under the real motion state; On the other hand, the sprung parts that some are special, such as air spring, hydro pneumatic suspension, hydraulic spacing snubber, the relevant vibration damper of displacement, ride control shock absorber etc., the Performance Influence Factor of these sprung parts is various, much also configured control module, therefore, the very difficult external characteristics of testing them by bench test of the performance of these parts.Sprung parts gets up sprung parts material object to be studied in ring real-time simulation pilot system with vehicle Real-time dynamics models coupling, will be with solving an above-mentioned difficult problem.
Summary of the invention
The objective of the invention is to provide a kind of sprung parts in ring real-time simulation pilot system, this pilot system has realized being difficult to carry out the parts of modeling in the suspension frame structure (such as tire, air spring, common vibration damper, ride control shock absorber, the assembled unit of hydro-pneumatic spring etc. and above-mentioned parts) tests with the closed loop real-time simulation of vehicle Real-time dynamics model, this pilot system has solved the problem that some sprung parts that are difficult to carry out Accurate Model carry out Full Vehicle Dynamics emulation to a certain extent, therefore, this pilot system is for the performance of studying sprung parts and significant with the coupling of car load.
The object of the present invention is achieved like this, this system comprises vehicle Real-time dynamics model, sprung parts at ring real-time simulation experiment control system and sprung parts actual loading test stand, and described sprung parts is used for realizing communication connection and the control of vehicle Real-time dynamics model and sprung parts actual loading test stand at ring real-time simulation experiment control system; Wherein, in first simulation step length, vehicle Real-time dynamics model is input to sprung parts in ring real-time simulation experiment control system with the motion state of sprung parts, sprung parts passes through its inner each control module (signal acquiring and processing system at ring real-time simulation experiment control system, auto model and sprung parts communication interface, servo-control system and sprung parts are in ring real-time simulation trial correction system) synergy resolve the servocontrol instruction that obtains exporting to sprung parts actual loading test stand, this servocontrol instruction flows to sprung parts actual loading test platform, sprung parts actual loading test platform is measured the force signal that sprung parts produces when loading, sprung parts actual loading test platform is exported to sprung parts with force signal and is carried out signals collecting and processing at ring real-time simulation experiment control system, feed back at last vehicle Real-time dynamics model, thus, vehicle Real-time dynamics model is settled accounts the motion state of the next simulation step length of sprung parts, thereby finishes successively the calculating of each simulation step length.
Described vehicle Real-time dynamics model is made of sprung parts interface to be studied, the vehicle Real-time dynamics model that does not comprise sprung parts to be studied, sprung parts motion state output interface to be studied and sprung parts force feedback input interface to be studied; Described sprung parts interface to be studied is used for receiving the force signal that sprung parts force feedback input interface to be studied is input to vehicle Real-time dynamics model, and this force signal is input to the vehicle Real-time dynamics model that does not comprise sprung parts to be studied carries out Real-time dynamics and calculate; Sprung parts motion state output interface to be studied is used for the motion state of sprung parts to be studied is input to sprung parts at ring real-time simulation experiment control system.
Described sprung parts is made of in ring real-time simulation trial correction system human-machine operation display interface, sprung parts closed loop real-time evaluation system, signal acquiring and processing system, auto model and sprung parts communication interface, servo-control system and sprung parts at ring real-time simulation experiment control system;
1., described human-machine operation display interface carries out controlling test, parameter setting, data demonstration and playback etc. to sprung parts at ring test for testing crew.
2., described sprung parts closed loop real-time evaluation system is used for testing crew sprung parts is carried out data analysis, evaluation of result and according to test findings the performance of sprung parts provided recommendation on improvement in ring real-time simulation test findings.
3., described signal acquiring and processing system is modulated and is processed the component movement status signal to be studied of sprung parts motion state output interface input to be studied, the displacement transducer signal of sprung parts actual loading test platform 3 inputs.
4., described auto model and sprung parts communication interface are used for realizing the real-time Communication for Power of vehicle Real-time dynamics model and sprung parts actual loading test stand.
5., described servo-control system is used for sprung parts actual loading test stand is carried out electro-hydraulic servo control.
6., described sprung parts is encircling real-time simulation trial correction system for the servocontrol instruction of servo-control system generation being adjusted and proofreading and correct.
Described sprung parts actual loading test stand is made of servocontrol instruction input interface, testing table framework, power sensor, sprung parts to be studied, test-bed sensor output interface, actuator, displacement transducer, servo-valve assembly and power source;
1., described servocontrol instruction input interface is used for receiving the servocontrol instruction that sprung parts produces at ring real-time simulation experiment control system.
2., described testing table framework is used for support, guiding and power sensor, actuator, the displacement transducer of sprung parts to be studied, the assembling of servo-valve assembly.
3., described power sensor is used for testing the force signal that produces when sprung parts to be studied loads.
4., described sprung parts to be studied is sprung parts entity to be studied.
5., described test-bed sensor output interface is used for the signal that power sensor, actuator test obtain is carried out the A/D conversion and inputs to auto model and sprung parts communication interface.
6., described actuator is used for producing corresponding action according to the servocontrol instruction.
7., described displacement transducer is used for the displacement signal of test actuator.
8., described servo-valve assembly carries out servocontrol to actuator under the synergy of servocontrol instruction and power source.
9., described power source is used for providing the action source of sprung parts actual loading test stand.
Described sprung parts actual loading test stand can be used but not limited to and uses hydraulic pressure as power source, can also use air pressure, electromagnetic force etc. as power source.
Motion state according to sprung parts to be studied, described sprung parts actual loading test stand is not limited to only simulate its motion state with an actuator, also can be suitable for two even more actuator and simulate the more complicated motion state of sprung parts to be studied.
At least use one according to the needs of l-G simulation test described vehicle Real-time dynamics model and sprung parts to be studied.
The present invention has the following advantages and good effect:
1, pilot system of the present invention has realized that vehicle Real-time dynamics model is connected with the closed loop of sprung parts material object, namely realized being difficult to carry out the parts of modeling in the suspension frame structure (such as tire, air spring, common vibration damper, ride control shock absorber, the assembled unit of hydro-pneumatic spring etc. and above-mentioned parts) tests with the closed loop real-time simulation of vehicle Real-time dynamics model, need not some complicated sprung parts are carried out Dynamic Modeling, thereby avoided some sprung parts to be difficult to Accurate Model, or the predicament that causes model calculation speed slowly can't carry out Full Vehicle Dynamics emulation for the precision of pursuing the sprung parts model.
2, pilot system of the present invention can make sprung parts to be studied carry out performance and fatigue endurance test under the Reality simulation operating mode.
3, pilot system of the present invention can be carried out to sprung parts to be studied the Performance Match research of Full Vehicle System level.
4, pilot system of the present invention can be carried out the formulation of control strategy and the exploitation of controller to sprung parts to be studied under the Reality simulation operating mode.
Description of drawings
Fig. 1 is that sprung parts is at ring real-time simulation pilot system one-piece construction schematic diagram.
Fig. 2 is vehicle Real-time dynamics model structure schematic diagram.
Fig. 3 is that sprung parts is at ring real-time simulation experiment control system structural representation.
Fig. 4 is sprung parts actual loading test horse structure schematic diagram.
Fig. 5, Fig. 6 be vehicle Real-time dynamics model adopt single-wheel vehicle Vertical Kinetics Model, with vibration damper or the hydro-pneumatic spring embodiment structural representation as the research parts.
Embodiment
Shown in accompanying drawing 1: this system comprises vehicle Real-time dynamics model 1, sprung parts at ring real-time simulation experiment control system 2 and sprung parts actual loading test stand 3, and described sprung parts is used for realizing communication connection and the control of vehicle Real-time dynamics model 1 and sprung parts actual loading test stand 3 at ring real-time simulation experiment control system 2; Wherein, in first simulation step length, vehicle Real-time dynamics model 1 is input to sprung parts in ring real-time simulation experiment control system 2 with the motion state of sprung parts, sprung parts passes through its inner each control module (signal acquiring and processing system 2-3 at ring real-time simulation experiment control system 2, auto model and sprung parts communication interface 2-4, servo-control system 2-5 and sprung parts are at the ring real-time simulation trial correction 2-6 of system) synergy resolve the servocontrol instruction that obtains exporting to sprung parts actual loading test stand 3, this servocontrol instruction flows to sprung parts actual loading test platform 3, sprung parts actual loading test platform 3 is measured the force signal that sprung parts produces when loading, sprung parts actual loading test platform 3 is exported to sprung parts with this force signal and is carried out signals collecting and processing at ring real-time simulation experiment control system 2, feed back at last vehicle Real-time dynamics model 1, thus, vehicle Real-time dynamics model 1 is settled accounts the motion state of the next simulation step length of sprung parts, thereby finishes successively the calculating of each simulation step length.
Described vehicle Real-time dynamics model 1 can be full car, also can be certain part, and such as " 1/4 vehicle " system with a wheel, if emulation relates to an above wheel and suspension, then system can be comprised of an above actual loading test platform.
Shown in accompanying drawing 2: described vehicle Real-time dynamics model 1 is made of sprung parts interface 1-1 to be studied, the vehicle Real-time dynamics model 1-2 that does not comprise sprung parts to be studied, sprung parts motion state output interface 1-3 to be studied and sprung parts force feedback input interface 1-4 to be studied; Described sprung parts interface 1-1 to be studied is used for receiving the force signal that sprung parts force feedback input interface 1-4 to be studied is input to vehicle Real-time dynamics model 1, and this force signal is input to the vehicle Real-time dynamics model 1-2 that does not comprise sprung parts to be studied carries out Real-time dynamics and calculate; Sprung parts motion state output interface 1-3 to be studied is used for the motion state of sprung parts to be studied is input to sprung parts at ring real-time simulation experiment control system 2.
Described sprung parts interface 1-1 to be studied is arranged on the vehicle Real-time dynamics model 1-2 that does not comprise sprung parts to be studied, and sprung parts motion state output interface 1-3 to be studied and sprung parts force feedback input interface 1-4 to be studied are drawn by the vehicle Real-time dynamics model 1-2 that does not comprise sprung parts to be studied.
Shown in accompanying drawing 3: described sprung parts is made of at the ring real-time simulation trial correction 2-6 of system human-machine operation display interface 2-1, sprung parts closed loop real-time evaluation system 2-2, signal acquiring and processing system 2-3, auto model and sprung parts communication interface 2-4, servo-control system 2-5 and sprung parts at ring real-time simulation experiment control system 2;
1., described human-machine operation display interface 2-1 carries out controlling test, parameter setting, data demonstration and playback etc. to sprung parts at ring test for testing crew.
2., described sprung parts closed loop real-time evaluation system 2-2 is used for testing crew sprung parts is carried out data analysis, evaluation of result and according to test findings the performance of sprung parts provided recommendation on improvement in ring real-time simulation test findings.
3., described signal acquiring and processing system 2-3 modulates and processes the component movement status signal to be studied of sprung parts motion state output interface 1-3 input to be studied, the displacement transducer signal of sprung parts actual loading test platform 3 inputs.
4., described auto model and sprung parts communication interface 2-4 are used for realizing the real-time Communication for Power of vehicle Real-time dynamics model 1 and sprung parts actual loading test stand 3.
5., described servo-control system 2-5 is used for sprung parts actual loading test stand 3 is carried out electro-hydraulic servo control.
6., described sprung parts is encircling the real-time simulation trial correction 2-6 of system for the servocontrol instruction of servo-control system 2-5 generation being adjusted and proofreading and correct.
Described sprung parts closed loop real-time evaluation system 2-2, signal acquiring and processing system 2-3, auto model and sprung parts communication interface 2-4, servo-control system 2-5 and sprung parts consist of sprung parts in the hardware body part of ring real-time simulation experiment control system 2 at the ring real-time simulation trial correction 2-6 of system, and human-machine operation display interface 2-1 partly is connected with the hardware body.
Shown in accompanying drawing 4: described sprung parts actual loading test stand 3 is made of servocontrol instruction input interface 3-1, testing table framework 3-2, power sensor 3-3, sprung parts 3-4 to be studied, test-bed sensor output interface 3-5, actuator 3-6, displacement transducer 3-7, servo-valve assembly 3-8 and power source 3-9;
1., described servocontrol instruction input interface 3-1 is used for receiving the servocontrol instruction that sprung parts produces at ring real-time simulation experiment control system 2.
2., described testing table framework 3-2 is used for support, guiding and power sensor 3-3, the actuator 3-6 of sprung parts 3-4 to be studied, the assembling of displacement transducer 3-7, servo-valve assembly 3-8.
3., described power sensor 3-3 is used for testing the force signal that produces when sprung parts 3-4 to be studied loads.
4., described sprung parts 3-4 to be studied is sprung parts entity to be studied.
5., described test-bed sensor output interface 3-5 carries out the A/D conversion and inputs to auto model and sprung parts communication interface 2-4 for power sensor 3-3, actuator 3-6 being tested the signal that obtains.
6., described actuator 3-6 is used for producing corresponding action according to the servocontrol instruction.
7., described displacement transducer 3-7 is used for the displacement signal of test actuator 3-6.
8., described servo-valve assembly 3-8 carries out servocontrol to actuator 3-6 under the synergy of servocontrol instruction and power source 3-9.
9., described power source 3-9 is used for providing the action source of sprung parts actual loading test stand 3.
The support of described sprung parts 3-4 to be studied, guiding and power sensor 3-3, actuator 3-6, displacement transducer 3-7 and servo-valve assembly 3-8 are assemblied on the testing table framework 3-2, wherein servocontrol instruction input interface 3-1 is drawn by servo-valve assembly 3-8, test-bed sensor output interface 3-5 is drawn by guiding and power sensor 3-3 and displacement transducer 3-7, and servo-valve assembly 3-8 is connected pipeline with power source 3-9 and connects.
Described sprung parts actual loading test stand 3 can be used but not limited to and uses hydraulic pressure as power source, can also use air pressure, electromagnetic force etc. as power source.
Motion state according to sprung parts 3-4 to be studied, described sprung parts actual loading test stand 3 is not limited to only simulate its motion state with an actuator 3-6, also can be suitable for two even more actuator and simulate the more complicated motion state of sprung parts 3-4 to be studied.
At least use one according to the described vehicle Real-time dynamics of the needs of l-G simulation test model 1 and sprung parts actual loading test stand 3.
Motion state according to sprung parts 3-4 to be studied, described sprung parts actual loading test stand 3 is not limited to only simulate its motion state with an actuator 3-6, also can be suitable for two even more actuator and simulate the more complicated motion state of sprung parts 3-4 to be studied.
The course of work:
With reference to Figure of description, encircling in the Real-time Dynamics Simulation analysis at sprung parts 3-4, excitation from the road surface acts on vehicle Real-time dynamics model 1, in first simulation step length, vehicle Real-time dynamics model 1 uses system's initial setting up value as the State-output of sprung parts 3-4, vehicle Real-time dynamics model 1 resolves by dynamics, calculate the motion state of sprung parts 3-4, the motion state output interface 1-3 of this motion state by vehicle Real-time dynamics model 1 is input to sprung parts at ring real-time simulation experiment control system 2 with the motion state of sprung parts 3-4 to be studied, sprung parts resolves the servocontrol instruction that should export to sprung parts actual loading test stand 3 at ring real-time simulation experiment control system 2 by the synergy of its inner each control module, this servocontrol instruction flows to sprung parts actual loading test platform 3 by auto model and sprung parts communication interface 2-4 by servocontrol instruction input interface 3-1, sprung parts actual loading test platform 3 is produced by actuator 3-6 under the synergy of section's modules within it and moves accordingly and be loaded into sprung parts 3-4 two ends, at this moment, sprung parts actual loading test platform 3 is measured the force signal that sprung parts 3-4 produces by power sensor 3-3 when loading, this force signal carries out signals collecting and processing through sprung parts at ring real-time simulation experiment control system by test-bed sensor output interface 3-5, feed back to vehicle Real-time dynamics model 1 by auto model and sprung parts communication interface 2-4 by force feedback interface 1-4 at last, thus, vehicle Real-time dynamics model 1 is settled accounts the motion state of the next simulation step length of sprung parts 3-4, thereby finishes successively the calculating of each simulation step length.
Shown in Fig. 5,6, vehicle Real-time dynamics model 1 adopts single-wheel vehicle Vertical Kinetics Model 4 forms, single-wheel vehicle Vertical Kinetics Model 4 can be reduced to by spring carried mass 4-1, bearing spring 4-2, sprung parts to be studied (vibration damper or hydro-pneumatic spring) 4-3, unsprung mass 4-4, tire stiffness 4-5 forms.In the ring Real-time Dynamics Simulation is analyzed, act on single-wheel Vertical Kinetics Model 4, running software as a result calculation system motion from the excitation on road surface at sprung parts 4-3.Single-wheel Real-time dynamics model 4 sends to sprung parts at ring real-time simulation experiment control system 2 with the relative motion of spring carried mass 4-1 and unsprung mass 4-4, this sprung parts sends servocontrol order-driven sprung parts actual loading test stand 3 at ring real-time simulation experiment control system 2, and sprung parts actual loading test stand 3 arrives sprung parts 4-3 to be studied two ends to corresponding Motion loading.Sprung parts carries out acquisition and processing and feeds back to Real-time dynamics model 4 at power sensor 3-3 signal and the displacement transducer 3-7 signal of 2 pairs of sprung parts actual loading tests of ring real-time simulation experiment control system stand 3, thereby finishes successively the calculating of each simulation step length.
During on-test, testing crew uses the human-machine operation display interface 2-1 of sprung parts in ring real-time simulation experiment control system 2 to carry out the modification of associated vehicle parameter in the setting of operating mode and the vehicle Real-time dynamics model 4.The real-time simulation test run is complete, and testing crew can call the sprung parts closed loop real-time evaluation system of sprung parts in ring real-time simulation experiment control system 2 and estimate to the performance of parts and with the matching effect of car load.
Claims (10)
1. a sprung parts is in ring real-time simulation pilot system, it is characterized in that: this system comprises vehicle Real-time dynamics model (1), sprung parts at ring real-time simulation experiment control system (2) and sprung parts actual loading test stand (3), and described sprung parts is used for realizing communication connection and the control of vehicle Real-time dynamics model (1) and sprung parts actual loading test stand (3) at ring real-time simulation experiment control system (2); Wherein, in first simulation step length, vehicle Real-time dynamics model (1) is input to sprung parts in ring real-time simulation experiment control system (2) with the motion state of sprung parts, sprung parts resolves the servocontrol instruction that obtains exporting to sprung parts actual loading test stand (3) at ring real-time simulation experiment control system (2) by the synergy of its inner each control module, this servocontrol instruction flows to sprung parts actual loading test platform (3), sprung parts actual loading test platform (3) is measured the force signal that sprung parts produces when loading, sprung parts actual loading test platform (3) is exported to sprung parts with force signal and is carried out signals collecting and processing at ring real-time simulation experiment control system (2), feed back at last vehicle Real-time dynamics model (1), thus, vehicle Real-time dynamics model (1) is settled accounts the motion state of the next simulation step length of sprung parts, thereby finishes successively the calculating of each simulation step length.
2. a kind of sprung parts according to claim 1 is in ring real-time simulation pilot system, and it is characterized in that: described vehicle Real-time dynamics model (1) is made of sprung parts interface to be studied (1-1), the vehicle Real-time dynamics model (1-2) that does not comprise sprung parts to be studied, sprung parts motion state output interface to be studied (1-3) and sprung parts force feedback input interface to be studied (1-4); Described sprung parts interface to be studied (1-1) is used for receiving the force signal that sprung parts force feedback input interface to be studied (1-4) is input to vehicle Real-time dynamics model (1), and this force signal is input to the vehicle Real-time dynamics model (1-2) that does not comprise sprung parts to be studied carries out Real-time dynamics and calculate; Sprung parts motion state output interface to be studied (1-3) is used for the motion state of sprung parts to be studied is input to sprung parts at ring real-time simulation experiment control system (2).
3. a kind of sprung parts according to claim 2 is in ring real-time simulation pilot system, it is characterized in that: described sprung parts interface to be studied (1-1) is arranged on the vehicle Real-time dynamics model (1-2) that does not comprise sprung parts to be studied, and sprung parts motion state output interface to be studied (1-3) and sprung parts force feedback input interface to be studied (1-4) are drawn by the vehicle Real-time dynamics model (1-2) that does not comprise sprung parts to be studied.
4. a kind of sprung parts according to claim 1 is in ring real-time simulation pilot system, and it is characterized in that: described sprung parts is made of in ring real-time simulation trial correction system (2-6) human-machine operation display interface (2-1), sprung parts closed loop real-time evaluation system (2-2), signal acquiring and processing system (2-3), auto model and sprung parts communication interface (2-4), servo-control system (2-5) and sprung parts at ring real-time simulation experiment control system (2);
Described human-machine operation display interface (2-1) is used for testing crew sprung parts is carried out controlling test, parameter setting, data demonstration and playback at ring test;
Described sprung parts closed loop real-time evaluation system (2-2) is used for testing crew to carry out data analysis, evaluation of result and according to test findings the performance of sprung parts is provided recommendation on improvement in ring real-time simulation test findings sprung parts;
Described signal acquiring and processing system (2-3) is modulated and is processed the component movement status signal to be studied of sprung parts motion state output interface to be studied (1-3) input, the displacement transducer signal of sprung parts actual loading test platform (3) input;
Described auto model and sprung parts communication interface (2-4) are used for realizing the real-time Communication for Power of vehicle Real-time dynamics model (1) and sprung parts actual loading test stand (3);
Described servo-control system (2-5) is used for sprung parts actual loading test stand (3) is carried out electro-hydraulic servo control;
Described sprung parts is encircling real-time simulation trial correction system (2-6) for the servocontrol instruction of servo-control system (2-5) generation being adjusted and proofreading and correct.
5. a kind of sprung parts according to claim 4 is in ring real-time simulation pilot system, it is characterized in that: described sprung parts closed loop real-time evaluation system (2-2), signal acquiring and processing system (2-3), auto model and sprung parts communication interface (2-4), servo-control system (2-5) and sprung parts consist of sprung parts in the hardware body part of ring real-time simulation experiment control system (2) in ring real-time simulation trial correction system (2-6), and human-machine operation display interface (2-1) partly is connected with the hardware body.
6. a kind of sprung parts according to claim 1 is in ring real-time simulation pilot system, and it is characterized in that: sprung parts actual loading test stand (3) is made of servocontrol instruction input interface (3-1), testing table framework (3-2), power sensor (3-3), sprung parts to be studied (3-4), test-bed sensor output interface (3-5), actuator (3-6), displacement transducer (3-7), servo-valve assembly (3-8) and power source (3-9); Described servocontrol instruction input interface (3-1) is used for receiving the servocontrol instruction that sprung parts produces at ring real-time simulation experiment control system (2); Described testing table framework (3-2) is used for support, guiding and power sensor (3-3), actuator (3-6), the displacement transducer (3-7) of sprung parts to be studied (3-4), the assembling of servo-valve assembly (3-8); Described power sensor (3-3) is used for testing the force signal that produces when sprung parts to be studied (3-4) loads; Described sprung parts to be studied (3-4) is sprung parts entity to be studied; Described test-bed sensor output interface (3-5) is used for the signal that power sensor (3-3), actuator (3-6) test obtain is carried out the A/D conversion and inputs to auto model and sprung parts communication interface (2-4); Described actuator (3-6) is used for producing corresponding action according to the servocontrol instruction; Described displacement transducer (3-7) is used for the displacement signal of test actuator (3-6); Described servo-valve assembly (3-8) carries out servocontrol to actuator (3-6) under the synergy of servocontrol instruction and power source (3-9); Described power source (3-9) is used for providing the action source of sprung parts actual loading test stand (3).
7. a kind of sprung parts according to claim 6 is in ring real-time simulation pilot system, it is characterized in that: the support of described sprung parts to be studied (3-4), guiding and power sensor (3-3), actuator (3-6), displacement transducer (3-7) and servo-valve assembly (3-8) are assemblied on the testing table framework (3-2), wherein servocontrol instruction input interface (3-1) is drawn by servo-valve assembly (3-8), test-bed sensor output interface (3-5) is drawn by guiding and power sensor (3-3) and displacement transducer (3-7), and servo-valve assembly (3-8) is connected 3-9 with power source) connect by pipeline.
8. a kind of sprung parts according to claim 6 is in ring real-time simulation pilot system, it is characterized in that: described sprung parts actual loading test stand (3) can be used but not limited to and uses hydraulic pressure as power source, can also use air pressure, electromagnetic force etc. as power source.
9. a kind of sprung parts according to claim 6 is in ring real-time simulation pilot system, it is characterized in that: according to the motion state of sprung parts to be studied (3-4), described sprung parts actual loading test stand (3) is not limited to only use an actuator (3-6) to simulate its motion state, also can be suitable for two even more actuator and simulate the more complicated motion state of sprung parts to be studied (3-4).
10. a kind of sprung parts according to claim 1 is characterized in that: use at least one according to the sprung parts to be studied (3-4) on the described vehicle Real-time dynamics of the needs of l-G simulation test model (1) and the sprung parts actual loading test stand (3) in ring real-time simulation pilot system.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104713737A (en) * | 2015-03-04 | 2015-06-17 | 南京师范大学 | Vehicle semi-active suspension hardware-in-loop experimental platform based on electromagnetic vibration table |
| CN106248389A (en) * | 2015-06-15 | 2016-12-21 | 通用汽车环球科技运作有限责任公司 | For checking the method and system of motor vehicle subsystem |
| CN107576517A (en) * | 2017-08-31 | 2018-01-12 | 燕山大学 | A kind of vehicle active suspension Testing Platform |
| CN110823542A (en) * | 2019-11-06 | 2020-02-21 | 中车青岛四方机车车辆股份有限公司 | Shock absorber testing device and shock absorber testing method |
| CN110836782A (en) * | 2019-10-12 | 2020-02-25 | 中国第一汽车股份有限公司 | Manufacturing method of air suspension for vehicle |
| CN110887678A (en) * | 2019-11-06 | 2020-03-17 | 江苏科技大学 | Hardware-in-loop experimental platform and adjusting method of electric control air suspension vehicle height adjusting system |
| CN113589705A (en) * | 2021-07-23 | 2021-11-02 | 清华大学 | Reconfigurable hardware-in-loop simulation test platform for vehicle suspension |
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| CN104713737A (en) * | 2015-03-04 | 2015-06-17 | 南京师范大学 | Vehicle semi-active suspension hardware-in-loop experimental platform based on electromagnetic vibration table |
| CN104713737B (en) * | 2015-03-04 | 2017-07-28 | 南京师范大学 | Vehicle Semi-active Suspension hardware in loop experiment porch based on electromagnetic vibration generator system |
| CN106248389A (en) * | 2015-06-15 | 2016-12-21 | 通用汽车环球科技运作有限责任公司 | For checking the method and system of motor vehicle subsystem |
| CN107576517A (en) * | 2017-08-31 | 2018-01-12 | 燕山大学 | A kind of vehicle active suspension Testing Platform |
| CN107576517B (en) * | 2017-08-31 | 2019-09-10 | 燕山大学 | A kind of vehicle active suspension Testing Platform |
| CN110836782A (en) * | 2019-10-12 | 2020-02-25 | 中国第一汽车股份有限公司 | Manufacturing method of air suspension for vehicle |
| CN110823542A (en) * | 2019-11-06 | 2020-02-21 | 中车青岛四方机车车辆股份有限公司 | Shock absorber testing device and shock absorber testing method |
| CN110887678A (en) * | 2019-11-06 | 2020-03-17 | 江苏科技大学 | Hardware-in-loop experimental platform and adjusting method of electric control air suspension vehicle height adjusting system |
| CN110823542B (en) * | 2019-11-06 | 2021-08-20 | 中车青岛四方机车车辆股份有限公司 | Shock absorber testing device and shock absorber testing method |
| CN110887678B (en) * | 2019-11-06 | 2021-08-31 | 江苏科技大学 | Hardware-in-loop experimental platform and adjusting method of electric control air suspension vehicle height adjusting system |
| CN113589705A (en) * | 2021-07-23 | 2021-11-02 | 清华大学 | Reconfigurable hardware-in-loop simulation test platform for vehicle suspension |
| CN114137880A (en) * | 2021-11-30 | 2022-03-04 | 重庆长安新能源汽车科技有限公司 | Moving part attitude test system |
| CN114137880B (en) * | 2021-11-30 | 2024-02-02 | 深蓝汽车科技有限公司 | Moving part attitude test system |
| CN115372027A (en) * | 2022-10-25 | 2022-11-22 | 北京理工大学前沿技术研究院 | Automobile electronic control suspension test system and method and storage medium |
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