CN205373989U - Aviation shaking table test system based on PXI development platform - Google Patents
Aviation shaking table test system based on PXI development platform Download PDFInfo
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- CN205373989U CN205373989U CN201520931512.XU CN201520931512U CN205373989U CN 205373989 U CN205373989 U CN 205373989U CN 201520931512 U CN201520931512 U CN 201520931512U CN 205373989 U CN205373989 U CN 205373989U
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Abstract
The utility model discloses an aviation shaking table test system based on PXI development platform, include PXI machine case (1) and insert the PXI module on the slot in PXI machine case (1), the PXI module contains controller module (2), signal generator module (3), the 1st multiplexer module (4), the 2nd multiplexer module (8), RS422 module (5), 1553B module (6) and AO module (7). The utility model discloses a high performance data gathers the test system that universalization, standardization, combinationization, networking to application intelligent sensor information processing and multisensor information fusion technique realize control, communication, computer and measuring integration on the whole.
Description
Technical field
This utility model belongs to the conventional measurement and control area of high-performance data acquisition system, and specific design is a kind of is applied to airborne integrity and the preliminary field tests using monitoring system.
Background technology
Testing requirement according to the vibration test table that certain sized aircraft is researched and developed, sets up vibration table test system, this vibration table is tested.The platform that it is test core with PXI equipment that this programme has customized, combined with virtual technical device, test measurement technology, electromechanical integration technology, network communications technology, software engineering integrated test system meet the various demand of this project.
Present stage vibration test table is used for electrician, electronics, auto parts and components and other product relating to transport and goods environment in transportation, detects the vibration-resistant property of its product.It is difficult to meet aeronautical product demand functionally, sets particularly in high-speed data acquisition and acceleration and do not reach index request.
Utility model content
Utility model purpose of the present utility model is in that to provide a kind of aviation vibration table based on PXI development platform to test system, realize the high-performance data collecting test system of a kind of generalization, standardization, modularization, networking, and use intelligence sensor information processing and multi-sensor information fusion technology, realize the integration of control, communication, computer and measurement on the whole.It is made to remain to normal operation when ambient temperature is-20 DEG C～50 DEG C.
Utility model purpose of the present utility model is achieved through the following technical solutions:
A kind of aviation vibration table based on PXI development platform tests system, including PXI cabinet 1 and the PXI module being inserted in PXI cabinet 1 on slot, described PXI module comprises controller module 2, signal generator module the 3, first multiplexer module the 4, second multiplexer module 8, RS422 module 5,1553B module 6 and some pieces of AO modules 7；
Described signal generator module 3 is used under the control of controller module 2, and the test index requirement according to vibration table produces some roads sinusoidal signal, some roads tach signal and 1 road UTD signal；
Described first multiplexer module 4 is for exporting described tach signal to equipment under test；
Described second multiplexer module 8 is for exporting described UTD signal to equipment under test；
Described RS422 module 5 for exporting RS422 signal to equipment under test under the control of controller module 2；
Described 1553B module 6 for exporting 1553B signal to equipment under test under the control of controller module 2；
Described AO module 7 is for exporting described sinusoidal signal to equipment under test.
Preferably, described controller module 2 selects the embedded controller of the PXI-8109 model of NI company.
Described PXI signal generator module selects any wave generator of the PXI-5422 model of NI company.
Described first multiplexer module the 4, second multiplexer module 8 selects the relay of the PXI-2593 model of NI company.
Described RS422 module selects the Asynchronous Serial Interface of the PXI-8431/2 model of NI company.
Described AO module selects the analog output boards of the NIPXI-6733 model of NI company.
Described AO module has four pieces, and every piece of AO module provides 8 analog output channels, tunnel.
The cabinet of the PXI-1045 model of NI company selected by described PXI cabinet.
This utility model mainly achieves following functions:
1) test is on the whole, it is achieved C3M integration.C3M refers to control (Control), communication (Communication), computer (Computer) and measures (Measurement)；
2), on test platform, virtual instrument technique is adopted；
3), on test and management, networking technology is used；
4), in test information processing, intelligence sensor information processing and multi-sensor information fusion technology are used.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific implementation process, this utility model is described further.
Fig. 1 is the electrical architecture schematic diagram that a kind of aviation vibration test table based on PXI development platform of utility model tests system；
In figure: 1-PXI cabinet, 2-controller module, 3-signal generator module, 4-multiplexer module, 5-1553B module, 6-RS422 module, 7-AO module；
Fig. 2 is the software module Organization Chart that a kind of aviation vibration table based on PXI development platform of utility model tests system；Including software function district and parameter configuration district；Software function district includes major function and controls module, data management module and panel control module, wherein testing process can customize, and requires regulation test item, frequency modulation, frequency multiplication, the execution time etc. according to different test events, and whole test process completes such as through controller.
Fig. 3 is signal generator module and the multiplexing module connection diagram that a kind of aviation vibration table based on PXI development platform of utility model tests system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, a kind of aviation vibration table based on PXI development platform of this utility model tests system, including PXI cabinet 1 and the PXI module being inserted in PXI cabinet 1 on slot, PXI module comprises controller module 2, signal generator module the 3, first multiplexer module the 4, second multiplexer module 8, RS422 module 5,1553B module 6 and some pieces of AO modules 7.
As preferably, the hardware configuration of each ingredient of this utility model as shown in Table 1:
Table one
1. the high-performance 18 scouring machine case for various tests and measurement application of NI company selected by PXI cabinet.It is furnished with high bandwidth backboard, the test of various high-performance can be met and measure the demand of application.Accepting PXI module in its each slot, the operating temperature range of cabinet can be extended to 55 DEG C, meets the demand of severe rugged environment.This series chassis has all characteristics of up-to-date PXI specification, including built-in 10MHz reference clock, PXI Trigger Bus, star-like triggering and local bus.
2. controller module selects NI company based on the high-performance embedded controller of IntelCorei7-620M processor, can be used for PXI system.In conjunction with 2.66GHz fundamental frequency, 3.33GHz (monokaryon turbine) dual core processor and dual pathways 1066MHzDDR3 internal memory, this controller is extremely suitable for modular instrument and the data acquisition applications of dense process.
3. signal generator module selects the AWG (Arbitrary Waveform Generator) of a 200MS/s of NI company, and this legerity type single cavity 3UPXI board can realize the resolution of 16 and the memory on board of up to 256MB.Use the PXI platform based on pci bus, thus when downloading waveform, its speed is up to 84MB/s, far above tradition GPIB instrument.Use isochronous memory core (SMC) framework, can by the test system synchronization creating mixed signal of generator and digitizer and digital waveform generator/analyser, also by the synchronization of multiple AWG (Arbitrary Waveform Generator), generate the multichannel generator of a phase coherence.
4. multiplexer module selects a high density 50 Ω RF relay module of NI company.This module can be automatically configured to non-matching multiplexer, the outside multiplexer mated or space sparse matrix flexibly.Every kind of configuration can process from direct current to the signal higher than 500MHz frequency.This single cavity switch module uses highdensity push button MCX adapter, even discrete cable still can manage easily.
5. RS422 communication module (2 port) uses the High-Performance Asynchronous serial line interface of NI company.It also has numeral isolation between high pressure port except providing the various functions of high-performance module.Energy realization and RS485 and RS232 equipment reach the high-speed communication of 3Mbit/s, can carry out data transmission with the configurable baud rate of 57 bauds to 3,000,000 bauds, for non-standard baud rate up to 1% precision, up to 0.01% precision under standard baud rate.
6. 1553B communication module uses certain company according to a communication card based on PMC bus of MIL-STD-1553B avionics bus communication protocol research and development.This module can be operated under BC, RT or BM mode, enables PXI/CPCI/PCI bus testing system to realize and the communication of miscellaneous equipment in 1553B bus and control as communication node in 1553B bus.This module has the features such as reliability height, fault-tolerant ability is strong, cost is low, it is possible to be widely used in dual-use Aero-Space comparatron.
7. AO module selects the High Speed Analog output board card of NI company, and superior performance is reliable, can meet the requirement of most application.It providing 8 analog output channels, tunnel, every channel speed reaches 1MS/s, has 16 bit resolutions and digital triggering.This module the speed of 10Mword/s can carry out the generation/detection of high-speed figure pattern.It adopts PXI Trigger Bus, can synchronize other data acquisitions, motion and vision products, thus helping user to create individualized measurement scheme to test the design of its innovation.
This utility model by designing software system as shown in Figure 2 in controller module, it is possible to achieve following functions:
(1) 27 tunnel sinusoidal signal emulation
Four pieces of AO modules are used to realize.Select the AWG (Arbitrary Waveform Generator) of a 200MS/s of NI company, it may be achieved the resolution of 16 and the memory on board of 256MB.Download waveform speed up to 84MB/s, far above tradition GPIB instrument.Use isochronous memory core (SMC) framework, can by the test system synchronization creating mixed signal of generator and digitizer and digital waveform generator/analyser, also by the synchronization of multiple AWG (Arbitrary Waveform Generator), generate the multichannel generator of a phase coherence.
(2) 5 road tach signal emulation and 1 road UTD signals
Signal generator module, the first multiplexer module, the second multiplexer module is used to realize.First multiplexer module, the second multiplexer module all can be extended to 16 road signals.Connect as shown in Figure 3.Select a high density 50 Ω RF relay module of NI company.First multiplexer module, the second multiplexer module can be automatically configured to non-matching multiplexer, the outside multiplexer mated or space sparse matrix flexibly.Every kind of configuration can process from direct current to the signal higher than 500MHz frequency.This single cavity switch module uses highdensity push button MCX adapter, even discrete cable still can manage easily.
This utility model is in order to meet the test needs of certain current model vibration table, have again certain versatility and autgmentability concurrently simultaneously, various combination, the output of different magnitude of signal is controlled by self defining programm, to reach the emulation to signals such as Helicopter Main rotor, electromotor, tail-rotor and bodies under certain hardware environment.(wherein 2 roads are sinusoidal wave to produce, with the first multiplexer module (4), the analogue signal that frequency is 3～250Hz, 3 road square waves), realize main rotor rotating speed, tail-rotor, tail transmission shaft, lead the emulation such as the tach signal that subtracts left and right power shaft, regulated by frequency and check that test system and test responds and records test result.Realize the output of UTD signal with the second multiplexing module, increase the function of video signal emulation in the future to realize the video signal of integrated display system is emulated.
(3) 1 tunnels 1553
1553B module is used to realize.This module meets MIL-STD-1553B avionics bus communication protocol, and data transmission rate is 1Mbps；Channel structure, every passage dual redundant bus (Hot Spare)；Possesses global function terminal, including BC/RT/MT；Onboard 2Mx16 position SRAM；Support transformer coupled/direct-coupling two kinds coupled modes；Message format supports BC → RT, RT → BC, RT → RT, broadcasting command and mode command；Have and interrupt systematic function flexibly；BC frame can be retransmitted automatically, and supports multiple to retry strategy；Bus monitoring triggers, and command word triggers and starts or stops monitoring；Possesses the message interval time able to programme of 1～65535us；Meet the PMC bus specification of 32bit, 33MHz/66MHz；Select 1553B special connector；Offer standard DLL dynamic link library, supports the standard development platforms such as VC, VB, Delphi, CVI；There is provided and drive under Windows (XP and more than) system, support the operating systems such as VxWorks, LabVIEWRT, Linux.This module meets system 1 road 1553B communication requirement.
(4) 1 tunnels 422
422 modules are used to realize.This module has 2 tunnel 422 communication interfaces, can carry out data transmission by variable baud rate with 57 bauds to 3,000,000 bauds, for non-standard baud rate up to 1% precision, up to 0.01% precision under standard baud rate.This module meets system 1 tunnel 422 communication requirement.
(5) 1 road Ethernet interfaces
Use controller module realizes.Controller module carries two-way gigabit ethernet interface, meets system 1 road Ethernet interface demand.
(6) 1 road XGA video receptions
The display supporting XGA video reception is selected to realize.
Claims (8)
1. the aviation vibration table based on PXI development platform tests system, including PXI cabinet (1) and the PXI module that is inserted on PXI cabinet (1) interior slot, it is characterised in that described PXI module comprises controller module (2), signal generator module (3), the first multiplexer module (4), the second multiplexer module (8), RS422 module (5), 1553B module (6) and some pieces of AO modules (7)；
Described signal generator module (3) is used under the control of controller module (2), and the test index requirement according to vibration table produces some roads sinusoidal signal, some roads tach signal and 1 road UTD signal；
Described first multiplexer module (4) is for exporting described tach signal to equipment under test；
Described second multiplexer module (8) is for exporting described UTD signal to equipment under test；
Described RS422 module (5) for exporting RS422 signal to equipment under test under the control of controller module (2)；
1553B module (6) for exporting 1553B signal to equipment under test under the control of controller module (2)；
AO module (7) is for exporting described sinusoidal signal to equipment under test.
2. aviation vibration table according to claim 1 test system, it is characterised in that described controller module (2) selects the embedded controller of the PXI-8109 model of NI company.
3. aviation vibration table according to claim 1 test system, it is characterised in that described signal generator module selects any wave generator of the PXI-5422 model of NI company.
4. aviation vibration table according to claim 1 test system, it is characterised in that described first multiplexer module (4), the second multiplexer module (8) select the relay of the PXI-2593 model of NI company.
5. aviation vibration table according to claim 1 test system, it is characterised in that described RS422 module selects the Asynchronous Serial Interface of the PXI-8431/2 model of NI company.
6. aviation vibration table according to claim 1 test system, it is characterised in that described AO module selects the analog output boards of the NIPXI-6733 model of NI company.
7. aviation vibration table according to claim 1 test system, it is characterised in that described AO module has four pieces, and every piece of AO module provides 8 analog output channels, tunnel.
8. aviation vibration table according to claim 1 test system, it is characterised in that the cabinet of the PXI-1045 model of NI company selected by described PXI cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931512.XU CN205373989U (en) | 2015-11-20 | 2015-11-20 | Aviation shaking table test system based on PXI development platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931512.XU CN205373989U (en) | 2015-11-20 | 2015-11-20 | Aviation shaking table test system based on PXI development platform |
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| CN205373989U true CN205373989U (en) | 2016-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372031A (en) * | 2015-11-20 | 2016-03-02 | 中国航空工业集团公司上海航空测控技术研究所 | PXI development platform-based aviation vibration table test system |
| CN107894760A (en) * | 2017-11-01 | 2018-04-10 | 中国空间技术研究院 | A kind of aerospace component application verification platform based on equivalent excitation test module |
-
2015
- 2015-11-20 CN CN201520931512.XU patent/CN205373989U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372031A (en) * | 2015-11-20 | 2016-03-02 | 中国航空工业集团公司上海航空测控技术研究所 | PXI development platform-based aviation vibration table test system |
| CN107894760A (en) * | 2017-11-01 | 2018-04-10 | 中国空间技术研究院 | A kind of aerospace component application verification platform based on equivalent excitation test module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20201120 |