CN110318945A - A kind of magnetorheological intelligent controller reducing blower fan pylon vibration - Google Patents
A kind of magnetorheological intelligent controller reducing blower fan pylon vibration Download PDFInfo
- Publication number
- CN110318945A CN110318945A CN201910639219.9A CN201910639219A CN110318945A CN 110318945 A CN110318945 A CN 110318945A CN 201910639219 A CN201910639219 A CN 201910639219A CN 110318945 A CN110318945 A CN 110318945A
- Authority
- CN
- China
- Prior art keywords
- blower fan
- control
- damper
- wind
- pylon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000009471 action Effects 0.000 claims abstract description 7
- 230000003044 adaptive effect Effects 0.000 claims abstract description 3
- 230000003595 spectral effect Effects 0.000 claims abstract description 3
- 230000001133 acceleration Effects 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/329—Azimuth or yaw angle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to wind-driven generator structure vibration control technology fields, provide a kind of magnetorheological intelligent controller of reduction blower fan pylon vibration.According to the structure feature of blower fan tower barrel and earthquake motion, wind action feature, it proposes to reduce the intelligent control that blower fan pylon vibrates, circumferentially MR damper is distinguished on blower fan tower barrel lower part, middle part and top, to reach the adaptive control optimization of different spectral feature and strength characteristic to earthquake motion and wind load.The present invention overcomes the narrow closed features in blower fan pylon inner space, can play preferable control action to the tower oscillation in wind-driven generator, can reduce the fatigue load of pylon, the safety coefficient of enhancing blower fan structure in use.
Description
Technical field
The invention belongs to wind-driven generator structure vibration control technology fields, are mainly based upon the reduction of MR damper
The intelligent control method of blower support tower vibration.
Background technique
Wind power generation structure is in vibrational state always under wind action, and the lower vibration of earthquake motion effect is especially violent,
Constitute threat safely for blower fan structure.In this context, in the European countries of external especially wind power technology prosperity, for
The research of vibration control technology has been carried out in the vibration of blower fan pylon, including the TMD damper etc. being placed in oil.With China's wind-powered electricity generation
The development of technology proposes that wind-powered electricity generation structure control technology with independent intellectual property rights is very necessary.
Wind-powered electricity generation structure, especially offshore wind farm structure may be faced with seafloor scour, surface icing, material in operation
Corrosion etc., to change the dynamic characteristics of blower fan structure in operation.The characteristics of due to wind-power electricity generation, wind-powered electricity generation structure have interior accumulate
Implement actively or semi- active control condition.Since wind-powered electricity generation support tower barrel structure radius is small, inner space is limited, magnetic current variable resistance
Buddhist nun's device has that simple structure, response are fast, damping force is big and continuous along the inverse Optimalities such as adjustable as a kind of intelligent drive device
Energy.Therefore, the intelligent control measure of the wind power tower based on MR damper can be researched and developed.
Summary of the invention
Object of the present invention is to propose a kind of intelligent controller for reducing the structural vibration of blower support tower.
Technical solution of the present invention:
A kind of intelligent control method reducing blower fan pylon structural vibration, according to the structure feature and earthquake of blower fan tower barrel
Dynamic, wind action feature reduces the intelligent control of blower fan pylon vibration, on blower fan tower barrel lower part, middle part and top edge respectively
Circumferentially MR damper, to reach the optimal adaptive of different spectral feature to earthquake motion and wind load and strength characteristic
It should control；
Magnetorheological intelligent controller is mainly by internal rigid support system, MR damper, acceleration transducer, data
Acquisition Instrument and fuzzy controller composition；Rigid support system mainly by with MR damper lay contour flexural pivot, lower part with
Oblique connection steelframe constitutes (Fig. 1) between the rigid teeth torus and flexural pivot and gear ring of blower fan tower barrel flange fixed position；Magnetic
Rheological damper is evenly arranged 4 at circumferential 90 degree of blower fan tower barrel, and one end is connect with flexural pivot, the other end and blower fan tower barrel normal direction
Connection；Acceleration transducer is arranged in the lower part, middle part and top of pylon, is inputted response message by data collecting instrument
To fuzzy controller, being used as power for output voltage control MR damper is adjusted by FUZZY ALGORITHMS FOR CONTROL；It is controlled by yaw
System processed controls the front and back and left and right orthogonal direction of 4 MR damper alignment blower fan structures；
Fuzzy logic control algorithm: tower seismic acceleration and the membership function of displacement choose non-linear membership function, magnetic
Rheological damper input current chooses linear membership function；It is set up defences the pylon under earthquake motion and wind load characteristic action according to wind field
Acceleration responsive and dynamic respond range are divided into five fuzzy intervals from small to large, and the control electric current of MR damper is also from small
To five sections are divided into greatly, according to the various combination of acceleration and displacement, magnetorheological damping is obtained using Mamdani fuzzy rule
The control force of device:
τy=A1e-I+A2ln(I+e)+A3I
In above formula, I and τyThe respectively yield shear force of the control electric current and magnetorheological fluid of MR damper, A1, A2, A3
It is magnetic rheological body performance related coefficient, e is natural number.
Beneficial effects of the present invention: the present invention takes full advantage of the Electromechanical Control feature of wind-power electricity generation, is controlled by yaw
The principal direction of damper reduces vibrating controller in circumferential arrangement quantity, reduces the occupancy in tower space；Meanwhile
When control failure, MR damper can be used as passive damping device, improve the robustness of vibration control.
Detailed description of the invention
Fig. 1 is arrangement and supporting steel frame schematic diagram of the MR damper in tower；
Fig. 2 is intelligent control method schematic diagram；
Fig. 3 is fuzzy control schematic diagram；
Fig. 4 is fuzzy control rule space curved surface figure
Fig. 5 (a) is Acceleration Control effect comparison result figure；
Fig. 5 (b) is Bit andits control effect comparison result figure；
Fig. 6 (a) is Acceleration Control effect comparison result figure.
Fig. 6 (b) is Bit andits control effect comparison result figure.
Specific embodiment
Below in conjunction with attached drawing and technical solution, a specific embodiment of the invention is further illustrated.
(1) design of MR damper:
MR damper is designed according to the following steps, and magnetorheological damping power F is determined according to the following formula:
Wherein, c0AndThe respectively displacement of damped coefficient and piston relative to cylinder body；fcFor Coulomb force.
Wherein, τy, η be respectively magnetorheological fluid yield shear stress and coefficient of dynamic viscosity；APIt is respectively piston area with L
And length, D and h are respectively damper cylinder diameter and piston-cylinder gap spacing；
According to the structural dynamic response characteristic of East Sea wind power plant 3MW offshore wind turbine support tower, magnetic current variable resistance is determined
The cylinder diameter of Buddhist nun's device is 200mm, and piston diameter and effective length are respectively 60mm and 400mm, magnetorheological fluid dynamic viscosity system
Number is 1Pa.s.
(2) according to East Sea wind power plant 3MW wind power generation structure support tower height, set up defences earthquake motion and control mesh
Mark determines that acceleration domain is [0,3], and being displaced fuzzy domain is [0,1], and magnetorheological input current domain is [0,2].According to mould
Fuzzy domain is divided into NL, NS by fuzzy control algorithm, seismic acceleration, tower top displacement and magnetorheological control electric current from small to large,
Five grades of M, PS, PL；
(3) select triangle subordinating degree function as fuzzy set, according to five grades NL, NS, M, PS of acceleration and displacement,
The various combination of PL determines that control rule sum is 25, and the fuzzy Judgment rule of formation is as shown in Figure 4；
(4) the vibration control compliance test result under earthquake motion and wind load combination effect is carried out, earthquake ground motion acceleration is chosen
0.1g, wind speed 15m/s；Tower top acceleration and the displacement time-histories result for then controlling front and back are as shown in Figure 5；Most along tower height
High acceleration and displacement envelope diagram are as shown in Figure 6.From the figure, it can be seen that the control method used is to pylon in wind load and ground
Vibration under shock effect plays an effective role in the control.
Claims (1)
1. a kind of magnetorheological intelligent controller for reducing blower fan pylon vibration, according to the structure feature of blower fan tower barrel and earthquake motion,
Wind action feature reduces the intelligent control of blower fan pylon vibration, distinguishes circumferentially on blower fan tower barrel lower part, middle part and top
MR damper is arranged, to reach the adaptive optimal control control of different spectral feature and strength characteristic to earthquake motion and wind load
System；It is characterized in that,
Magnetorheological intelligent controller is mainly acquired by internal rigid support system, MR damper, acceleration transducer, data
Instrument and fuzzy controller composition；Rigid support system is mainly by laying contour flexural pivot, lower part and blower with MR damper
Oblique connection steelframe is constituted between the rigid teeth torus and flexural pivot and gear ring of tower drum flange fixed position；MR damper
4 are evenly arranged at circumferential 90 degree of blower fan tower barrel, one end is connect with flexural pivot, and the other end is connect with blower fan tower barrel normal direction；Accelerate
Degree sensor is arranged in the lower part, middle part and top of pylon, and response message is input to Fuzzy Control by data collecting instrument
Device processed adjusts being used as power for output voltage control MR damper by FUZZY ALGORITHMS FOR CONTROL；Pass through yaw control system control
Make the front and back and left and right orthogonal direction of 4 MR damper alignment blower fan structures；
Fuzzy logic control algorithm: tower seismic acceleration and the membership function of displacement choose non-linear membership function, magnetorheological
Damper input current chooses linear membership function；According to wind field set up defences the pylon under earthquake motion and wind load characteristic action accelerate
Degree response and dynamic respond range are divided into five fuzzy intervals from small to large, and the control electric current of MR damper is also from small to large
It is divided into five sections, according to the various combination of acceleration and displacement, MR damper is obtained using Mamdani fuzzy rule
Control force:
τy=A1e-I+A2ln(I+e)+A3I
In above formula, I and τyThe respectively yield shear force of the control electric current and magnetorheological fluid of MR damper, A1, A2, A3 are magnetic
Rheological body performance related coefficient, e are natural number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639219.9A CN110318945A (en) | 2019-07-16 | 2019-07-16 | A kind of magnetorheological intelligent controller reducing blower fan pylon vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639219.9A CN110318945A (en) | 2019-07-16 | 2019-07-16 | A kind of magnetorheological intelligent controller reducing blower fan pylon vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110318945A true CN110318945A (en) | 2019-10-11 |
Family
ID=68123622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910639219.9A Pending CN110318945A (en) | 2019-07-16 | 2019-07-16 | A kind of magnetorheological intelligent controller reducing blower fan pylon vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110318945A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930012A (en) * | 2020-07-24 | 2020-11-13 | 中北大学 | Closed-loop control method of magnetorheological actuator |
| CN112253406A (en) * | 2020-09-29 | 2021-01-22 | 中国电建集团华东勘测设计研究院有限公司 | Environment load prediction method and vibration pre-control system for offshore wind turbine generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011015563A2 (en) * | 2009-08-06 | 2011-02-10 | Alstom Wind, S.L.U. | System and method for damping vibrations in a wind turbine |
| CN102493924A (en) * | 2011-12-06 | 2012-06-13 | 三一电气有限责任公司 | Fan and tower tube thereof |
| CN105930938A (en) * | 2016-05-10 | 2016-09-07 | 重庆大学 | Method of load shedding of floating wind turbine generator system based on semi-active structure control of magneto rheological damper |
| CN205592072U (en) * | 2016-04-28 | 2016-09-21 | 三一重型能源装备有限公司 | Take a fan tower section of thick bamboo and fan of damping function |
-
2019
- 2019-07-16 CN CN201910639219.9A patent/CN110318945A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011015563A2 (en) * | 2009-08-06 | 2011-02-10 | Alstom Wind, S.L.U. | System and method for damping vibrations in a wind turbine |
| CN102493924A (en) * | 2011-12-06 | 2012-06-13 | 三一电气有限责任公司 | Fan and tower tube thereof |
| CN205592072U (en) * | 2016-04-28 | 2016-09-21 | 三一重型能源装备有限公司 | Take a fan tower section of thick bamboo and fan of damping function |
| CN105930938A (en) * | 2016-05-10 | 2016-09-07 | 重庆大学 | Method of load shedding of floating wind turbine generator system based on semi-active structure control of magneto rheological damper |
Non-Patent Citations (2)
| Title |
|---|
| 李静,陈健云,柴健,吕淑娟: "磁流变阻尼器对近海风机的半主动控制研究", 《水利与建筑工程学报》 * |
| 柴健: "磁流变阻尼器对近海风机的振动控制研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930012A (en) * | 2020-07-24 | 2020-11-13 | 中北大学 | Closed-loop control method of magnetorheological actuator |
| CN112253406A (en) * | 2020-09-29 | 2021-01-22 | 中国电建集团华东勘测设计研究院有限公司 | Environment load prediction method and vibration pre-control system for offshore wind turbine generator |
| CN112253406B (en) * | 2020-09-29 | 2022-05-27 | 中国电建集团华东勘测设计研究院有限公司 | Environment load prediction method and vibration pre-control system for offshore wind turbine generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zuo et al. | A state-of-the-art review on the vibration mitigation of wind turbines | |
| KR102159848B1 (en) | Controlling motions of floating wind turbines | |
| KR101660553B1 (en) | Blade pitch control in a wind turbine installation | |
| CN105545595B (en) | Wind energy conversion system feedback linearization Poewr control method based on radial base neural net | |
| CN110318945A (en) | A kind of magnetorheological intelligent controller reducing blower fan pylon vibration | |
| Fitzgerald et al. | Vibration control of wind turbines: recent advances and emerging trends | |
| CN104533724B (en) | Intelligent vibration damping type deep sea floating fan | |
| Cargo | Design and control of hydraulic power take-offs for wave energy converters | |
| CN108978441B (en) | The semi-active control method and system of a kind of floating system stiffening girder of suspension bridge whirlpool vibration | |
| KR101626107B1 (en) | An analysis of the multi-layered soil on monopile foundation of offshore wind tower | |
| CN108919648A (en) | Blower fan tower barrel semi-active control method based on fuzzy logic inference | |
| Ding et al. | Study on TMD control on stability improvement of barge-supported floating offshore wind turbine based on the multi-island genetic algorithm | |
| Machado et al. | Wind turbine vibration management: An integrated analysis of existing solutions, products, and Open-source developments | |
| Mu et al. | Optimal model reference adaptive control of spar-type floating wind turbine based on simulated annealing algorithm | |
| CN110456637A (en) | A kind of adaptive fuzzy Multi-target machine electric control method reducing fan vibration | |
| Lei et al. | Vibration attenuation for offshore wind turbine by a 3D prestressed tuned mass damper considering the variable pitch and yaw behaviors | |
| Leng et al. | Study on a three-dimensional variable-stiffness TMD for mitigating bi-directional vibration of monopile offshore wind turbines | |
| Park et al. | An investigation of passive and semi-active tuned mass dampers for a tension leg platform floating offshore wind turbine in ULS conditions | |
| Xie et al. | Dynamic response analysis and vibration control for a fixed-bottom offshore wind turbine subjected to multiple external excitations | |
| Li et al. | Structural control of floating offshore wind turbines with inerter-based low-order mechanical networks | |
| Nicholls-Lee et al. | Performance prediction of a free stream tidal turbine with composite bend-twist coupled blades | |
| McNamara et al. | Optimized design of multiple tuned mass dampers for vibration control of offshore wind turbines | |
| Zhu | Optimal Semi-Active Control for a Hybrid Wind-Wave Energy System on Motion Reduction | |
| CN214401871U (en) | Offshore wind power large-diameter bionic bamboo joint steel pipe pile integrated with damping shock absorber | |
| Huang et al. | Semi-active algorithm for edgewise vibration control in floating wind turbine blades |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191011 |
|
| RJ01 | Rejection of invention patent application after publication |