CN101086467A - Tuned mass damper half-practicality imitation test method and system for marine platform - Google Patents
Tuned mass damper half-practicality imitation test method and system for marine platform Download PDFInfo
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- CN101086467A CN101086467A CNA2006102005503A CN200610200550A CN101086467A CN 101086467 A CN101086467 A CN 101086467A CN A2006102005503 A CNA2006102005503 A CN A2006102005503A CN 200610200550 A CN200610200550 A CN 200610200550A CN 101086467 A CN101086467 A CN 101086467A
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Abstract
The invention relates to the harmonic damper semi object simulation testing system. It comprises an enclosed semi object simulation testing circle by the control machine simulation platform, digital mode converter with several paths and its data collecting card, signal treatment device, electric liquid servo activator, vibrating platform, harmonic mass damper to be tested. It is reduced in development cost and improved in efficiency.
Description
Technical field
The present invention discloses a kind of tuned mass damper emulation test system, relates to the test macro of ocean platform tuned mass damper.
Background technology
Ocean platform is very high for the requirement of tuned mass damper, and the parameter of tuned mass damper is selected the effectiveness in vibration suppression decisive role for platform structure.The expense that tuned mass damper is installed on ocean platform is higher, should avoid failure is installed as far as possible, causes unnecessary economic loss, so tuned mass damper needs under lab to be debugged up hill and dale repeatedly the final controlling index that realizes expection of ability.If tuned mass damper is obtained optimal parameter without debugging repeatedly, effectiveness in vibration suppression is very poor, even amplifies the platform structure vibration.
Test at present is used for the method and system of the tuned mass damper of building structure, is to build corresponding model according to real structure, and plans to build the residing environment of building structure at the laboratory internal mold, carries out the test of tuned mass damper then.When true structure is ocean platform, if this class environmental load of physical object simulating ocean platform environment, particularly sea ice is comparatively difficult.In Bohai Sea Gulf or the winter in high latitude sea area, sea ice is the control load of Platform Structure Design, is subjected to the platform structure of sea ice effect higher to the requirement of tuned mass damper, how true, easy simulation ocean platform and environment, particularly the sea ice load environment is a problem demanding prompt solution.
Summary of the invention
Purpose of the present invention is a kind of energy of design real simulation ocean platform environment, the tuned mass damper method of testing and the systems that are used for ocean platform low-cost, the various parameters of full test tuned mass damper fast.
Technical scheme of the present invention is: a kind of tuned mass damper method of testing that is used for ocean platform, be on industrial control computer, to set up by the ocean platform realistic model, the industrial computer analog platform that marine environment realistic model and real-time monitoring system are formed, simulate the vibration of true ocean platform under the marine environment effect and the effect that tuned mass damper is installed, the digital signal that the industrial computer analog platform produces is by digital to analog converter and signal processing apparatus 1 conversion and amplification, drive electro-hydraulic servo actuator, electro-hydraulic servo actuator drives shaking table, make shaking table simulate the vibratory response of true ocean platform under the true environment load action, tuned mass damper to be measured is fixed on the shaking table, with sensor synchro measure shaking table and tuned mass damper displacement, speed and acceleration, feed back to the industrial computer analog platform again by signal processing apparatus 2 and analog to digital converter, industrial computer is according to can the test and assess effect of tuned mass damper of real-time monitoring system.Semi-hardware type simulation test system according to a closed loop of said method formation can carry out full test to tuned mass damper.Simulation software can adopt as general business softwares such as Matlab/simulink and dSPACE.
Ocean platform realistic model in the above-mentioned industrial computer analog platform is information such as the rigidity, quality, damping of the ocean platform that obtains according to ocean platform design drawing or actual measurement, utilizes the mathematical model of the actual response ocean platform kinematic behavior that the mathematical modeling method sets up; The marine environment realistic model is the mathematical model of simulation marine environment load, can be expressed as the functional form of time; Real-time monitoring system is divided by systems control division and displayed record is partly formed, control section can utilize keyboard, mouse that ocean platform realistic model and marine environment realistic model are carried out real time modifying, and the displayed record part can show the motion conditions of tuned mass damper and ocean platform and record on the industrial computer monitor.
Be applicable to a kind of tuned mass damper half-practicality imitation test macro that is used for ocean platform of said method, constitute by industrial computer analog platform, the data collecting card that has multi-channel digital and analogue converter and multichannel analog to digital converter, signal processing apparatus, electro-hydraulic servo actuator, shaking table, tuned mass damper to be measured, sensor; The industrial computer analog platform is by the ocean platform realistic model, marine environment realistic model and real-time monitoring system are formed, the digital signal that is produced is imported the multi-channel digital and analogue converter on the data collecting card into, digital to analog converter is connected with signal processing apparatus 1 input end, signal processing apparatus 1 output terminal is connected with electro-hydraulic servo actuator, the start head of electro-hydraulic servo actuator is connected with shaking table, the motion of drive shaking table, tuned mass damper to be measured is installed on the shaking table, sensor is installed in shaking table, on the tuned mass damper to be measured, and between electro-hydraulic servo actuator and the shaking table, the sensor signal output terminal is connected with signal processing apparatus 2 input ends, the output terminal of signal processing apparatus 2 is connected with analog to digital converter on the data collecting card, and analog to digital converter output digital signal is to the industrial computer analog platform.
Shaking table can be made of table top, linear guides, bracing frame and bottom support bracket, bracing frame is fixed on the bottom support bracket, the slide rail of linear guides is installed on the bracing frame, the slide block of linear guides is connected with table top, vibration table surface links to each other with the start head of electro-hydraulic servo actuator, and the tuned mass damper bottom is fixed on the vibration table surface; Electro-hydraulic servo actuator can be installed on the shear wall.
Utilize the present invention under simulated environment, to debug and performance test to tuned mass damper, the tuned mass damper parameter is mated and optimization, all test environments are the simulation test platform simulation true environment and obtain, and in full accord with the ocean platform true environment from the control angle.Because realistic model can carry out parameter modification as requested, thereby can imitate various marine environment and ocean platform,, can be the tuned mass damper test different simulated environment is provided by revising ocean platform and environmental simulation model.Compare with existing tuned mass damper measuring technology, the present invention has following characteristics: 1) simulated environment designs and produces easily, and dirigibility is strong, it is low-cost to have realized, test tuned mass damper fast, and has improved the security of test; 2) improved the development efficiency of tuned mass damper, reduced tuned mass damper and carried out risk and the cost that actual platform is used; 3) have versatility, solved the difficulty of simulation ocean platform environment, software is realized part modification easily, and application prospect is extensive.
Description of drawings
Fig. 1 is a kind of structured flowchart of tuned mass damper half-practicality imitation test macro.
The fine line that connects each model among the figure is represented information flow, and heavy line is represented energy stream.
Fig. 2 is system's object test device synoptic diagram, 1 expression vibration table surface among the figure, the linear guide rail of 2 expressions, 3 expression shaking table bracing frames, 4 expression shaking table bottom support brackets, 5 expressions are used for fixing the shear wall of electro-hydraulic servo actuator, 6 expression electro-hydraulic servo actuators, 7 expressions tuned mass damper to be measured, A, B, C represent the installation site of sensor.
Embodiment
A kind of tuned mass damper method of testing that is used for ocean platform, as shown in Figure 1, the connection diagram of a kind of semi-hardware type simulation test system comprises industrial computer analog platform, electro-hydraulic servo actuator, tuned mass damper to be measured, multichannel analog to digital converter, multi-channel digital and analogue converter, signal processing apparatus and shaking table.The industrial computer analog platform outputs to signal processing apparatus by the digital-to-analogue output channel with control signal, after signal processing apparatus carries out necessary amplification, level conversion, and the servo-hydraulic actuator motion of drive installation on shear wall.The servo-hydraulic actuator drives shaking table, thereby makes the tuned mass damper that is fixed on the shaking table produce vibration.Sensor is installed on shaking table, the tuned mass damper to be measured, and between electro-hydraulic servo actuator and the shaking table, Displacement Measurement, speed and acceleration, by signal processing apparatus after the analog to digital converter input channel be connected with the industrial computer analog platform.The industrial computer analog platform constitutes a closed loop test system with real tuned mass damper, has simulated the truth of ocean platform fully, thereby can realize the full test to tuned mass damper.
Grind Chinese workers' industry controller as hardware platform with a PIV/2GHz who has a DS1104PPC controller board, DS1104 is integrated PowerPC processor part and data acquisition card portion, the PowerPC processor partly can be used to carry out floating-point operation (250MHz), data collecting card have part ownership eight road moduluses (A/D) and eight way moulds (D/A) and some other I/O interfaces.Software Development Platform adopts Matlab/Simulink.
Shaking table is made of table top, linear guides, bracing frame and bottom support bracket, bracing frame is fixed on the bottom support bracket, the slide rail of linear guides is installed on the bracing frame, the slide block of linear guides is connected with table top, vibration table surface links to each other with the start head of electro-hydraulic servo actuator, and the tuned mass damper bottom is fixed on the vibration table surface.
The various signals that the industrial computer analog platform inputs or outputs are as shown in the table
| Sequence number | Signal name and unit | Signal | Interface channel | |
| 1 | Actuator position signalling (mm) | Output signal | D/A1 | |
| 2 | Actuator position signalling (mm) | Input signal | A/ |
|
| 3 | Tuned mass damper displacement signal (m) | Input signal | A/ |
|
| 4 | Tuned mass damper rate signal (m/s) | Input signal | A/D3 | |
| 5 | Tuned mass damper acceleration signal (m/s 2) | Input signal | A/D4 | |
| 6 | Shaking table displacement signal (m) | Input signal | A/ |
|
| 7 | Shaking table acceleration signal (m/s 2) | Input signal | A/D6 | |
| 8 | Actuator load signal (kN) | Input signal | A/D7 |
The testing procedure of tuned mass damper is as follows:
1, system's each several part connects by relation illustrated in figures 1 and 2, shown in the connected mode of industrial computer and digital-to-analogue, analog to digital converter is as above shown.
2, start industrial control computer, operation dSPACE control system software.
3, the Matlab/Simulink realistic model of operation simulation ocean platform and marine environment on the industrial computer analog platform.
4, the various marine environment of simulation on the industrial computer analog platform are as the sea ice situation under the different weather conditions.
5, by the industrial computer analog platform observe tuned mass damper and shaking table the vibration situation, for example corresponding displacement, speed and acceleration.
6, the various signal datas by producing in the real-time monitoring system record emulation testing process.
Claims (3)
1. tuned mass damper half-practicality imitation test method that is used for ocean platform, be on industrial control computer, to set up by the ocean platform realistic model, the industrial computer analog platform that marine environment realistic model and real-time monitoring system are formed, simulate the vibration of true ocean platform under the marine environment effect and the effect that tuned mass damper is installed, the digital signal that the industrial computer analog platform produces is by digital to analog converter and signal processing apparatus 1 conversion and amplification, drive electro-hydraulic servo actuator, electro-hydraulic servo actuator drives shaking table, make shaking table simulate the vibratory response of true ocean platform under the true environment load action, tuned mass damper to be measured is fixed on the shaking table, with sensor synchro measure shaking table and tuned mass damper displacement, speed and acceleration, feed back to the industrial computer analog platform again by signal processing apparatus 2 and analog to digital converter, the industrial computer analog platform is tested tuned mass damper according to feedback signal.
2. a tuned mass damper half-practicality imitation test macro that is used for ocean platform is made of industrial computer analog platform, the data collecting card that has multi-channel digital and analogue converter and multichannel analog to digital converter, signal processing apparatus, electro-hydraulic servo actuator, shaking table, tuned mass damper to be measured, sensor; The industrial computer analog platform is by the ocean platform realistic model, marine environment realistic model and real-time monitoring system are formed, the digital signal that is produced is imported the multi-channel digital and analogue converter on the data collecting card into, digital to analog converter is connected with signal processing apparatus 1 input end, signal processing apparatus 1 output terminal is connected with electro-hydraulic servo actuator, the start head of electro-hydraulic servo actuator is connected with shaking table, the motion of drive shaking table, tuned mass damper to be measured is installed on the shaking table, sensor is installed in shaking table, on the tuned mass damper to be measured, and between electro-hydraulic servo actuator and the shaking table, the sensor signal output terminal is connected with signal processing apparatus 2 input ends, the output terminal of signal processing apparatus 2 is connected with analog to digital converter on the data collecting card, and analog to digital converter output digital signal is to the industrial computer analog platform.
3. a kind of tuned mass damper half-practicality imitation test macro that is used for ocean platform as claimed in claim 2, it is characterized in that shaking table is made of table top, linear guides, bracing frame and bottom support bracket, bracing frame is fixed on the bottom support bracket, the slide rail of linear guides is installed on the bracing frame, the slide block of linear guides is connected with table top, vibration table surface links to each other with the start head of electro-hydraulic servo actuator, tuned mass damper to be measured bottom is fixed on the vibration table surface, and electro-hydraulic servo actuator is installed on the shear wall.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198139A (en) * | 2014-09-03 | 2014-12-10 | 浙江工业大学 | High-tower wind-induced vibration TMD (tuned mass damper) testing device |
| CN104535357A (en) * | 2015-01-21 | 2015-04-22 | 中国海洋石油总公司 | Liquid tank model slamming load semi-physical simulation measurement system |
| CN105806578A (en) * | 2016-05-05 | 2016-07-27 | 哈尔滨工程大学 | Hydraulically actuated liquid tank sloshing testing device |
| CN111442889A (en) * | 2020-04-27 | 2020-07-24 | 中国科学院西安光学精密机械研究所 | Stress-strain amplitude limiting control system for vibration test and control method thereof |
| CN112326240A (en) * | 2020-11-12 | 2021-02-05 | 中建八局第三建设有限公司 | High-rise building tuned mass damper performance detection system and method |
| CN112639888A (en) * | 2018-08-09 | 2021-04-09 | 祖克斯有限公司 | Programmed world generation |
| CN113186809A (en) * | 2021-05-19 | 2021-07-30 | 大连理工大学 | Damper system controlled by acceleration to control switch |
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2006
- 2006-06-09 CN CNB2006102005503A patent/CN100561161C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198139A (en) * | 2014-09-03 | 2014-12-10 | 浙江工业大学 | High-tower wind-induced vibration TMD (tuned mass damper) testing device |
| CN104535357A (en) * | 2015-01-21 | 2015-04-22 | 中国海洋石油总公司 | Liquid tank model slamming load semi-physical simulation measurement system |
| CN105806578A (en) * | 2016-05-05 | 2016-07-27 | 哈尔滨工程大学 | Hydraulically actuated liquid tank sloshing testing device |
| CN105806578B (en) * | 2016-05-05 | 2018-12-25 | 哈尔滨工程大学 | A kind of hydraulic actuation formula sloshing experimental rig |
| CN112639888A (en) * | 2018-08-09 | 2021-04-09 | 祖克斯有限公司 | Programmed world generation |
| US11861790B2 (en) | 2018-08-09 | 2024-01-02 | Zoox, Inc. | Procedural world generation using tertiary data |
| CN111442889A (en) * | 2020-04-27 | 2020-07-24 | 中国科学院西安光学精密机械研究所 | Stress-strain amplitude limiting control system for vibration test and control method thereof |
| CN112326240A (en) * | 2020-11-12 | 2021-02-05 | 中建八局第三建设有限公司 | High-rise building tuned mass damper performance detection system and method |
| CN113186809A (en) * | 2021-05-19 | 2021-07-30 | 大连理工大学 | Damper system controlled by acceleration to control switch |
| CN113186809B (en) * | 2021-05-19 | 2022-06-14 | 大连理工大学 | Damper system controlled by acceleration to control switch |
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| CN100561161C (en) | 2009-11-18 |
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