CN103048107A - Whole-body vibration testing system and method for ultra-large structural member - Google Patents
Whole-body vibration testing system and method for ultra-large structural member Download PDFInfo
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- CN103048107A CN103048107A CN2012105760473A CN201210576047A CN103048107A CN 103048107 A CN103048107 A CN 103048107A CN 2012105760473 A CN2012105760473 A CN 2012105760473A CN 201210576047 A CN201210576047 A CN 201210576047A CN 103048107 A CN103048107 A CN 103048107A
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Abstract
The invention discloses a whole-body vibration testing system and a whole-body vibration testing method for an ultra-large structural member. The method comprises the following steps of: providing a plurality of sensing units, wherein the monitoring range of the sensing units is enough to fully cover the whole-body surface and/or internal part of the ultra-large structural member, and under the situation that the ultra-large structural member is under the effect of external force, the sensing units are used for detecting the response parameters of all parts of the ultra-large structural member; and using at least one data processing unit to receive and process detection signals output by the sensing units, constructing a real data model for the ultra-large structural member and deducing the excitation characteristics of the ultra-large structural member. By using simple equipment, the whole-body vibration testing of the ultra-large structural member can be conveniently and rapidly realized, testing results which are basically consistent with real situations are obtained and the system and the method are suitable for the vibration testing of ultra-large structural members of all kinds.
Description
Technical field
The present invention relates to a kind of ambient vibration testing equipment and method, relate in particular to the system and method that a kind of one-piece construction to heavy construction, large ship, large-scale flying object etc. is carried out vibration test, belong to the vibration test technical field.
Background technology
At present for the super-large structural members such as heavy construction, large ship, large-scale flying object, offshore drilling platform, generally be difficult to utilize vibration rig that its one-piece construction is tested, and can only be by the important spare part that consists of these super-large structural members is tested, again test figure is integrated and then is inferred the overall performance of these super-large structural members, perhaps can only by making up these super-large structural member realistic models, recycle these realistic models and carry out the overall performance that vibration-testing is inferred these super-large structural members then.But the test result that these modes obtain often differs greatly with truth.
Summary of the invention
The present invention aims to provide a kind of body vibration test macro and method of super-large structural member, thereby overcomes deficiency of the prior art.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of body vibration method of testing of super-large structural member comprises:
A plurality of sensing units are provided, make its monitoring range be enough to fully cover integral surface and/or the inside of super-large structural member, and, in the situation that super-large structural member is subject to External Force Acting, utilize these a plurality of sensing units for detection of the response parameter at each position of super-large structural member;
And, utilize at least one data processing unit reception and process the detection signal that this plural number sensing unit is exported, and make up the True Data model of described super-large structural member, and then infer the drive characteristic of described super-large structural member.
A kind of body vibration test macro of super-large structural member comprises:
For detection of each position of super-large structural member a plurality of sensing units for the response parameter that is applied to the External Force Acting on the super-large structural member, discrete integral surface and/or the inside that is distributed in super-large structural member of these a plurality of sensing units;
And, be used for receiving and processing the detection signal of this plural number sensing unit output, and make up the True Data model of described super-large structural member, and then the data processing unit of inferring the drive characteristic of described super-large structural member.
Particularly, described data processing unit comprises computer system.
Described sensing unit comprises power sensor, acceleration transducer or position transducer, but is not limited to this.
To be connected by at least one wired and/or wireless communication unit between these a plurality of sensors and the data processing unit.
As one of comparatively preferred embodiment, described wired and/or wireless communication unit comprises the wired and/or radio communication transmitter module that is connected with these a plurality of sensors and the wired and/or radio communication receiver module that is connected with described data processing unit.
Compared with prior art, advantage of the present invention is at least: can realize super-large structural member integral body is tested, and acquisition and the truth test result of substantially coincideing, and method is simple, and equipment is easy to set up and safeguards, and is with low cost.The present invention is suitable for various types of super-large structural members are carried out vibration-testing.
Description of drawings
Fig. 1 is the structured flowchart of the body vibration test macro of a kind of super-large structural member in a preferred embodiment of the present invention.
Embodiment
Followingly reach by reference to the accompanying drawings some preferred embodiments technical scheme of the present invention is further described.
As one aspect of the present invention, this case inventor provides a kind of body vibration method of testing of super-large structural member, comprising:
The integral surface (comprising outer wall and inwall) of super-large structural member and/or one-piece construction internal discrete arrange a plurality of sensing units (that is, make the sensing range of this plural number sensing unit cover this super-large structural member surface and inner fully), and super-large structural member be subject to External Force Acting (such as, by wind, current, pedestrian or the vehicles through buildings, earthquake, or the factor such as decoration construction and producing, and be passed to power on the super-large structural member) situation under, utilize these a plurality of sensing units for detection of the response parameter at each position of super-large structural member;
And, utilize at least one data processing unit reception and process the detection signal that this plural number sensing unit is exported, and make up the True Data model of described super-large structural member, and then infer the drive characteristic of described super-large structural member.
Accordingly, as another aspect of the present invention, consult Fig. 1, the body vibration test macro of a kind of super-large structural member that this case inventor provides comprises:
For detection of each position of super-large structural member a plurality of sensing units for the response parameter that is applied to the External Force Acting on the super-large structural member, discrete integral surface and/or the inside that is distributed in super-large structural member of these a plurality of sensing units;
And, be used for receiving and processing the detection signal of this plural number sensing unit output, and make up the True Data model of described super-large structural member, and then the data processing unit of inferring the drive characteristic of described super-large structural member.
Particularly, described data processing unit comprises computer system.
Described sensing unit comprises power sensor, acceleration transducer or position transducer, but is not limited to this.
To be connected by at least one wired and/or wireless communication unit between these a plurality of sensors and the data processing unit.
As one of comparatively preferred embodiment, described wired and/or wireless communication unit comprises the wired and/or radio communication transmitter module that is connected with these a plurality of sensors and the wired and/or radio communication receiver module that is connected with described data processing unit.
By the aforementioned techniques scheme, the present invention only need utilize simple device, just can conveniently realize super-large structural member integral body is tested, and acquisition and the truth test result of substantially coincideing.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement; can not limit protection scope of the present invention with this; all equivalences that Spirit Essence is done according to the present invention change or revise, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. the body vibration test macro of a super-large structural member is characterized in that, comprising:
For detection of each position of super-large structural member a plurality of sensing units for the response parameter that is applied to the External Force Acting on the super-large structural member, discrete integral surface and/or the inside that is distributed in super-large structural member of these a plurality of sensing units;
And, be used for receiving and processing the detection signal of this plural number sensing unit output, and make up the True Data model of described super-large structural member, and then the data processing unit of inferring the drive characteristic of described super-large structural member.
2. the body vibration test macro of super-large structural member according to claim 1 is characterized in that, described data processing unit comprises computer system.
3. the body vibration test macro of super-large structural member according to claim 1 is characterized in that, described sensing unit comprises power sensor, acceleration transducer or position transducer.
4. the body vibration test macro of each described super-large structural member is characterized in that according to claim 1-3, between these a plurality of sensors and the data processing unit is to be connected by at least one wired and/or wireless communication unit.
5. the body vibration test macro of super-large structural member according to claim 4, it is characterized in that, described wired and/or wireless communication unit comprises the wired and/or radio communication transmitter module that is connected with these a plurality of sensors and the wired and/or radio communication receiver module that is connected with described data processing unit.
6. the body vibration method of testing of a super-large structural member is characterized in that, comprising:
A plurality of sensing units are provided, make its monitoring range be enough to fully cover integral surface and/or the inside of super-large structural member, and, in the situation that super-large structural member is subject to External Force Acting, utilize these a plurality of sensing units for detection of the response parameter at each position of super-large structural member;
And, utilize at least one data processing unit reception and process the detection signal that this plural number sensing unit is exported, and make up the True Data model of described super-large structural member, and then infer the drive characteristic of described super-large structural member.
7. the body vibration method of testing of super-large structural member according to claim 6 is characterized in that, described data processing unit comprises computer system.
8. the body vibration method of testing of super-large structural member according to claim 6 is characterized in that, described sensing unit comprises power sensor, acceleration transducer or position transducer.
9. the body vibration method of testing of each described super-large structural member is characterized in that according to claim 6-8, between these a plurality of sensors and the data processing unit is to be connected by at least one wired and/or wireless communication unit.
10. the body vibration method of testing of super-large structural member according to claim 9, described wired and/or wireless communication unit comprises the wired and/or radio communication transmitter module that is connected with these a plurality of sensors and the wired and/or radio communication receiver module that is connected with described data processing unit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181067A (en) * | 2018-01-22 | 2018-06-19 | 中国水利水电科学研究院 | A kind of movable type high-precision hydraulic structure vibration test system and method |
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| CN101266190A (en) * | 2008-04-25 | 2008-09-17 | 天津市市政工程设计研究院 | Normal traffic flow stayd-cable bridge mode parametric measurement device and method |
| CN102141542A (en) * | 2010-12-27 | 2011-08-03 | 浙江大学 | System and method for elastic wave computed tomography (CT) test of concrete dam based on wireless sensor network |
| CN102262815A (en) * | 2010-08-11 | 2011-11-30 | 江苏兴航智控科技股份有限公司 | Method for monitoring vibration signal of large-scale rotating equipment in real time by using ZigBee technology |
| CN202994413U (en) * | 2012-12-27 | 2013-06-12 | 苏州长菱测试技术有限公司 | Environmental vibration test system applied to huge structural member |
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| EP0541277A2 (en) * | 1991-11-02 | 1993-05-12 | Westland Helicopters Limited | Integrated vibration reducing and structural health and usage monitoring system for a helicopter |
| JP2001201427A (en) * | 2000-01-19 | 2001-07-27 | Akashi Corp | Shock-type vibration generating device |
| CN101055219A (en) * | 2007-05-11 | 2007-10-17 | 上海大学 | Simulated intelligence flexible space sail board structural vibration main control test platform and method |
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| CN108181067A (en) * | 2018-01-22 | 2018-06-19 | 中国水利水电科学研究院 | A kind of movable type high-precision hydraulic structure vibration test system and method |
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Application publication date: 20130417 |