CN1544285A - Dynamic positioning model test system - Google Patents
Dynamic positioning model test system Download PDFInfo
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- CN1544285A CN1544285A CNA2003101085526A CN200310108552A CN1544285A CN 1544285 A CN1544285 A CN 1544285A CN A2003101085526 A CNA2003101085526 A CN A2003101085526A CN 200310108552 A CN200310108552 A CN 200310108552A CN 1544285 A CN1544285 A CN 1544285A
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Abstract
The invention is a power locating model testing system, including industrial control computer, data collecting card, data output card, inverter, watertight electric machine, power locating model measuring system and actuating mechanism, where the signal output end of the measuring system is connected with the data collecting card, the data collecting card and the data output care are both inserted in the sockets of the industrial control computer, the signal input end of the inverter is connected with the output end of the data collecting card and the signal output end of the inverter is connected with the watertight electric machine, which is connected with the actuating mechanism and the actuating mechanism is distributed around the ship. It can test each part of the power locating system, including the design accuracy and reasonability of position measuring system, thrust system, control system, etc, can be used in model testing of ocean engineering, etc, to test advantages and disadvantages of ocean structures in many aspects of design, construction, operation, safety, etc.
Description
Technical field
The present invention relates to a kind of dynamic positioning model test system, relate in particular to the various piece design-calculated correctness and the rational dynamic positioning model test system of check dynamic positioning system (DPS).Belong to the ocean engineering field.
Background technology
Along with the feeler of human development ocean stretches to deep-sea and off-lying sea, dynamic positioning just has been endowed very important mission from be born.The basic role of dynamic positioning be keep ocean structure a certain position and bow to, the stable operating environment of ocean operation can be provided, Activities such as hydrocarbon gas exploitation, exploration can be carried out smoothly.The research of dynamic positioning is divided into general systematic study and to the research of concrete object, the former is theoretical investigation, the latter is applied research, for the latter, because the object of research is concrete ship or ocean engineering building, effective method is asked for hydrodynamic force and environmental load by model test exactly, and the validity of checking dynamic positioning system (DPS).The dynamic positioning model test systematic research that this paper carried out belongs to the latter, makes up earlier dynamic positioning system (DPS) on the whole, through continuous verification experimental verification, reaches fairly perfect stage at last.
Find that by literature search the Yan Zheping of Harbin Engineering University teaches at " Heilungkiang automatic technology and application " V01.16, NO.4 (1997 the 4th phases) were delivered " dynamic positioning system (DPS) emulation of ROV working mother boat and identification ", a kind of dynamic positioning model that mainly comprises thrust subsystem, measurement subsystem, computer controlled subsystem has wherein been described, but its employed sensor measurement precision is not high, and controller used thereby can not satisfy the requirement of ocean engineering accuracy testing.
Summary of the invention
The present invention is directed to the above-mentioned deficiency of prior art, a kind of improved dynamic positioning model test system is provided, make its various piece that can check dynamic positioning system (DPS), comprise design-calculated correctness and reasonableness such as position measuring system, push system, control system.Model test can instruct conversion proportion parameter that comprises signal in the choosing of controlled variable in the control system, the signal transduction process etc. conversely again.In addition, the dynamic positioning model test of model test under various different sea conditions can also be checked the adaptive capacity of control system to environmental parameters.
The present invention is achieved by the following technical solutions, the present invention is divided into the equipment and the needed specific equipment of dynamic positioning system (DPS) of experimental tank, comprise: industrial computer, data collecting card, the data output card, frequency converter, the watertight motor, dynamic positioning model measurement system, actuating unit, its connection mode is: the signal output part of dynamic positioning model measurement system and data acquisition card connection, data collecting card, the data output card all inserts in the groove of industrial computer, the signal input part of frequency converter is connected with the mouth of data collecting card, its mouth links to each other with the watertight motor, the watertight motor is connected with actuating unit, actuating unit be distributed in boats and ships around.
Dynamic positioning model measurement system adopts far infrared non-contact six-freedom position measuring system, mainly become by two groups of subsystems, one is signal generation system, one is the signal processing and analysis system, signal generation system comprises: power supply, electric power source distribution device, lamp bracket, its connection mode is: power supply is received electric power source distribution device, three not the infrared light emission source ABC of in-line form a lamp bracket, be fixed on the measurement target, electric power source distribution device links to each other by data line with lamp bracket.Power supply produces stable voltage output, guarantees the stable of signal.Electric power source distribution device adds respectively that with the vdc that power supply produces three kinds of different signals are to guarantee that three different infrared light emission source targets can be by the correct identification of acquisition system.The signal processing and analysis system comprises: be contained in the position measurement instrument camera on the level indicator, amplification case (one), (2), (3), demodulator of PM signal PM, the collection analysis computing machine, its connection mode is: two position measurement instrument cameras connect signal end amplification case () respectively, and through collection terminal amplification case (two), demodulator of PM signal PM is connected to collection terminal amplification case (three) and collection analysis computing machine, two position measurement instrument cameras that are located at the position measurement instrument on level indicator layout that meets at right angles, aim at measurement target, near measured zone, form one and measure rectangular coordinate system.
Actuating unit adopts six A/C screw propellers, is distributed in the vertical total section bow of boats and ships, stern each one, each two symmetrical distribution of ship side both sides respectively, apart from the bench section each more than the 1m. each mechanism be docile and obedient preface and connect.
For the electric signal that will be gathered is directly changed into kinematic parameter into testee, the present invention is supporting to have worked out complete signal analysis and processing system software, the error that measuring system produces at aspects such as optics has been carried out mathematical correction, made the data that obtain reach very high precision.Each mechanism is according to after connecting, the test of dynamic positioning series model is carried out in the pond, model in the pond from preposition (being made as zero-bit) when certain deviation is arranged, computing machine is according to the resulting modal position data of dynamic positioning model measurement system, calculate and recover the zero-bit requirement thrust that actuating unit produced, control executing mechanism is ordered about model sport then, makes it be returned to the desired location.
The present invention can check the various piece of dynamic positioning system (DPS), comprises design-calculated correctness and reasonableness such as position measuring system, push system, control system.Dynamic positioning model test can forecast the motion conditions of ocean engineering structure under various marine environment conditions (wind, wave, stream), the model test that can be used for ocean engineering etc., all many-sided design-calculated qualities such as the design of check ocean structure, construction, operation, safety.
Description of drawings
Fig. 1 structural representation of the present invention
Fig. 2 dynamic positioning model measurement system architecture scheme drawing
Fig. 3 actuating unit is arranged scheme drawing
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes: industrial computer 1, data collecting card 2, data output card 3, frequency converter 4, watertight motor 5, dynamic positioning model measurement system 6, actuating unit 7, its connection mode is: the signal output part of dynamic positioning model measurement system 6 is connected with data collecting card 2, data collecting card 3, data output card 3 all inserts in the groove of industrial computer 1, the signal input part of frequency converter 4 is connected with the mouth of data collecting card 2, its mouth links to each other with watertight motor 5, watertight motor 5 is connected with actuating unit 7, actuating unit 7 be distributed in boats and ships around.
Dynamic positioning model measurement system 6 adopts far infrared non-contact six-freedom position measuring system, mainly become by two groups of subsystems, one is signal generation system 8, one is signal processing and analysis system 9: signal generation system 8 comprises: power supply 12, electric power source distribution device 10, lamp bracket 11, its connection mode is: power supply 12 is received electric power source distribution device 10, three not the infrared light emission source ABC of in-line form a lamp bracket 11, be fixed on the measurement target, electric power source distribution device 10 and lamp bracket 11 link to each other by data line, signal processing and analysis system 9 comprises: be contained in the position measurement instrument camera 13 on the level indicator, amplification case 14,15,16, demodulator of PM signal PM 17, collection analysis computing machine 18, its connection mode is: two position measurement instrument cameras 13 connect signal end amplification case 14 respectively, and through collection terminal amplification case 15, demodulator of PM signal PM 17 is connected to collection terminal amplification case 16 and collection analysis computing machine 18.
Two position measurement instrument cameras 13 that are positioned on the position measurement instrument on level indicator layout that meets at right angles is aimed at measurement target, forms one and measure rectangular coordinate system near measured zone.
Actuating unit 7 adopts six A/C screw propellers 19, is distributed in the vertical total section bow of boats and ships, stern each one, each two symmetrical distribution of ship side both sides respectively.
Claims (4)
1, a kind of dynamic positioning model test system, comprise: industrial computer (1), data collecting card (2), data output card (3), frequency converter (4), watertight motor (5), dynamic positioning model measurement system (6), actuating unit (7), it is characterized in that, the signal output part of dynamic positioning model measurement system (6) is connected with data collecting card (2), data collecting card (3), data output card (3) all inserts in the groove of industrial computer (1), the signal input part of frequency converter (4) is connected with the mouth of data collecting card (2), its mouth links to each other with watertight motor (5), watertight motor (5) is connected with actuating unit (7), actuating unit (7) be distributed in boats and ships around.
2, dynamic positioning model test according to claim 1 system, it is characterized in that, dynamic positioning model measurement system (6) adopts far infrared non-contact six-freedom position measuring system, mainly become by two groups of subsystems, one is signal generation system (8), one is signal processing and analysis system (9), signal generation system (8) comprising: power supply (12), electric power source distribution device (10), lamp bracket (11), its connection mode is: power supply (12) is received electric power source distribution device (10), three infrared light emission source ABC form a lamp bracket (11), be fixed on the measurement target, electric power source distribution device (10) links to each other by data line with lamp bracket (11), signal processing and analysis system (9) comprising: be contained in the position measurement instrument camera (13) on the level indicator, amplification case (14), (15), (16), demodulator of PM signal PM (17), collection analysis computing machine (18), its connection mode is: two position measurement instrument cameras (13) connect signal end amplification case (14) respectively, and through collection terminal amplification case (15), demodulator of PM signal PM (17) is connected to collection terminal amplification case (16) and collection analysis computing machine (18).
3, dynamic positioning model test according to claim 2 system, it is characterized in that, two position measurement instrument cameras (13) that are located at the position measurement instrument on level indicator layout that meets at right angles is aimed at measurement target, forms one and measure rectangular coordinate system near measured zone.
4, dynamic positioning model test according to claim 1 system is characterized in that, actuating unit (7) adopts six A/C screw propellers (19), is distributed in the vertical total section bow of boats and ships, stern each one, each two symmetrical distribution of ship side both sides respectively.
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| CNA2003101085526A CN1544285A (en) | 2003-11-13 | 2003-11-13 | Dynamic positioning model test system |
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| CNA2003101085526A CN1544285A (en) | 2003-11-13 | 2003-11-13 | Dynamic positioning model test system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385665A (en) * | 2011-08-30 | 2012-03-21 | 无锡中讯科技有限公司 | Thrust force distribution method of power location system of ship adopting genetic algorithm |
| CN101565086B (en) * | 2008-04-25 | 2012-11-28 | 中国船舶重工集团公司第七二五研究所 | Method for designing wave capsule for ballast tank coating test and testing device |
| CN103303434A (en) * | 2013-05-22 | 2013-09-18 | 中交天津航道局有限公司 | Dynamic positioning and dynamic tracking model test system for drag suction dredger |
| CN103482034A (en) * | 2013-09-23 | 2014-01-01 | 浙江海洋学院 | Floating natural gas platform |
| CN103632582A (en) * | 2013-11-14 | 2014-03-12 | 哈尔滨工程大学 | Interactive DP operation-simulating training simulation platform |
| CN104802926A (en) * | 2014-07-02 | 2015-07-29 | 烟台中集来福士海洋工程有限公司 | Dynamic positioning semi-submersible ocean platform thruster thrust test method |
-
2003
- 2003-11-13 CN CNA2003101085526A patent/CN1544285A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565086B (en) * | 2008-04-25 | 2012-11-28 | 中国船舶重工集团公司第七二五研究所 | Method for designing wave capsule for ballast tank coating test and testing device |
| CN102385665A (en) * | 2011-08-30 | 2012-03-21 | 无锡中讯科技有限公司 | Thrust force distribution method of power location system of ship adopting genetic algorithm |
| CN102385665B (en) * | 2011-08-30 | 2015-07-15 | 无锡中讯科技有限公司 | Thrust force distribution method of power location system of ship adopting genetic algorithm |
| CN103303434A (en) * | 2013-05-22 | 2013-09-18 | 中交天津航道局有限公司 | Dynamic positioning and dynamic tracking model test system for drag suction dredger |
| CN103482034A (en) * | 2013-09-23 | 2014-01-01 | 浙江海洋学院 | Floating natural gas platform |
| CN103482034B (en) * | 2013-09-23 | 2016-06-01 | 浙江海洋学院 | A kind of floating type gas platforms |
| CN103632582A (en) * | 2013-11-14 | 2014-03-12 | 哈尔滨工程大学 | Interactive DP operation-simulating training simulation platform |
| CN104802926A (en) * | 2014-07-02 | 2015-07-29 | 烟台中集来福士海洋工程有限公司 | Dynamic positioning semi-submersible ocean platform thruster thrust test method |
| CN104802926B (en) * | 2014-07-02 | 2018-10-12 | 烟台中集来福士海洋工程有限公司 | Dynamic positioning partly latent ocean platform propeller thrust test method |
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