CN110259239A - System identification technique and self compensation tuned mass damper - Google Patents
System identification technique and self compensation tuned mass damper Download PDFInfo
- Publication number
- CN110259239A CN110259239A CN201910529406.1A CN201910529406A CN110259239A CN 110259239 A CN110259239 A CN 110259239A CN 201910529406 A CN201910529406 A CN 201910529406A CN 110259239 A CN110259239 A CN 110259239A
- Authority
- CN
- China
- Prior art keywords
- pull rod
- tuned mass
- mass damper
- damper
- push
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of system identification technique and self compensation tuned mass dampers comprising: system identification and frequency compensation device, damping compensation device, health monitoring and control device；The frequency of tuned mass damper of the invention can be adjusted by system identification and frequency compensation device, to realize the tuning of the vertical frequency of tuned mass damper；The present invention replaces traditional viscous damping with eddy-current damping, so as to improve the stability and durability of damper, simplifies the design of damper；Damping force of the invention can be adjusted by damping compensation device, to improve the effectiveness in vibration suppression of damper；The real-time vibration signal of main structure and tuned mass damper is stored in real time, transmits and is analyzed by health monitoring and control device in the present invention, so that it is guaranteed that the normal work and safety of main structure and tuning quality device.
Description
Technical field
The invention belongs to civil engineerings, vibration control technology field, and in particular to a kind of system identification technique and self compensation
Tuned mass damper.
Background technique
In today's society, tuned mass damper is because of small to original building structural modification, easy for construction, vibration damping control effect
The advantages that significant and have application by extensive concern, and in building structure at home and abroad, such as Taipei 101 mansion, Shanghai center
Deng.But traditional tuned mass damper has the shortcomings that the tuning sensibility to frequency, not only the self-inflicted injury of building structure
Etc. the effectiveness in vibration suppression that will affect tuned mass damper, the sometimes characteristic of its own, degeneration, spring such as viscous damper
Corrosion or when quality of a certain component of building structure as tuned mass damper the variation of quality also will affect its control
Effect processed.Moreover, setting the natural frequency of vibration estimated value of timing structure and its practical natural frequency of vibration has differences, therefore, how to realize
The self adaptive control of tuned mass damper, it is close with the frequency of structure to adjust own frequency in real time, to reach good
Effectiveness in vibration suppression, just become a new meaningful research direction.
Traditional brace type tuned mass damper provides damping using hydraulic fluid linking damper, is providing the same of damping
When, certain rigidity is also had, can not accomplish that rigidity is kept completely separate with what is damped, influence design analysis.Moreover, hydraulic viscous damping
Device there is also oil leak, be not easy to conserve, the later period is difficult to the problems such as adjusting, increase the difficulty and cost of maintenance.Eddy-current damping is pair
The big innovation of the one of hydraulic viscous damping.The principle of eddy current damper is, conductor mass block cutting magnetic induction line during exercise, according to
Faraday electromagnetic induction principle will generate induced electromotive force in conductor, form current vortex, convert vibrational energy into conductor
Heat, to realize vibration control.The advantage of eddy current damper is: not contacting directly between magnet and conductor, nothing
Frictional damping and abrasion；It is not influenced by environment such as temperature；There is no situations such as oil leaks, easy to maintain and durability is good.
Existing eddy current tuned mass damper is not adjustable the size of own frequency and damping force, when structure is in wind lotus
When vibrating under the effects of load, earthquake, inappropriate restoring force and damping force not only will cause owing for damper vibration damping effect
It is good, in some instances it may even be possible to damper be made to generate reaction.Therefore, the restoring force and damping force for how intelligently adjusting damper are to best
Value, is very worth research.
In order to properly compensate for the frequency and damping of tuned mass damper, a critical step is to identify main knot
The natural frequency of vibration and modal mass of structure, because of the optimal frequency of tuned mass damper and damping and the two relating to parameters.It is attached
There is interference to the frequency identification of main structure in addition stating tuned mass damper, and identifies that modal mass is a generally acknowledged disaster
Topic.Therefore, the natural frequency of vibration and modal mass of main structure under couple state how are correctly identified out using system identification technique,
It is to be worth further investigation.
Summary of the invention
Aiming at the shortcomings in the prior art, the object of the present invention is to provide a kind of system identification techniques and self compensation to tune matter
Measure damper.
In order to achieve the above objectives, solution of the invention is:
A kind of system identification technique and self compensation tuned mass damper comprising: system identification and frequency compensation device,
Damping compensation device, health monitoring and control device.
Wherein, system identification and frequency compensation device include mass block, hole, cantilever beam, side plate, stepping push-pull rod I, step
Into push-pull rod II and bottom plate, bottom plate is placed on primary structured surface, and bottom plate is fixedly connected with side plate, and hole is located in side plate, is hanged
Arm beam is fixedly connected with side plate, and mass block is placed in overarm arm, and stepping push-pull rod I and stepping push-pull rod II are symmetricly set on matter
The left and right sides of gauge block.
Damping compensation device includes permanent magnet, conductor plate, magnetic conductive steel plate, stepping push-pull rod III and stepping push-pull rod IV, forever
For magnet absorption on mass block, conductor plate is symmetrically disposed on the front and rear sides of mass block, and magnetic conductive steel plate is symmetrically disposed on conductor plate
Two sides, stepping push-pull rod III is located at the front side of mass block and connect with magnetic conductive steel plate, and stepping push-pull rod IV is located at mass block
It rear side and is connect with magnetic conductive steel plate.
Health monitoring and control device include acceleration transducer I, acceleration transducer II, controller and data storage and biography
Defeated device, acceleration transducer I are adsorbed in the top of mass block, for measuring the vertical acceleration of mass block；Acceleration sensing
Device II is adsorbed on primary structured surface, for measuring the vertical acceleration of main structure；Acceleration transducer I and acceleration transducer
II is separately connected controller, and controller connects data storage and transmitting device.
Preferably, when vertical motion occurs for permanent magnet, cutting magnetic induction line movement occurs with conductor plate.
Preferably, stepping push-pull rod III is bolted magnetic conductive steel plate, and magnetic conductive steel plate is bolted stepping push-pull rod IV, leads to
The movement of control stepping push-pull rod III and stepping push-pull rod IV is crossed, thus change the spacing distance of conductor plate and permanent magnet, and
Change the size of eddy-current damping power.
Preferably, controller passes through the acceleration signal for analyzing and handling acceleration transducer I and acceleration transducer II,
Obtain the damping ratio of tuned mass damper.
Preferably, data storage and transmitting device pass through storage, transmission and analysis processing acceleration transducer I and acceleration
The acceleration signal of sensor II, to ensure the normal work of main structure and tuned mass damper.
Preferably, the material of permanent magnet is selected from one or more of rare earth permanent-magnetic material, SmCo, ni-Cd cobalt and ferrite；
The material of conductor plate is selected from one or more of copper and aluminium.
Preferably, the material of cantilever beam is selected from one or more of steel, aluminium alloy and magnesium alloy.
Preferably, the distance of stepping push-pull rod I and stepping push-pull rod II are 300-600mm.
Preferably, the distance of stepping push-pull rod III and stepping push-pull rod IV are 5-80mm.
By adopting the above scheme, the beneficial effects of the present invention are:
The first, the frequency of tuned mass damper of the invention can be adjusted by system identification and frequency compensation device
Section, to realize the tuning of the vertical frequency of tuned mass damper.The present invention replaces traditional viscous damping with eddy-current damping, from
And can be improved the stability and durability of damper, simplify the design of damper.
The second, damping force of the invention can be adjusted by damping compensation device, to improve the effectiveness in vibration suppression of damper.
The real-time vibration signal of main structure and tuned mass damper is by health monitoring and control device in third, the present invention
Storage in real time, transmission and analysis, so that it is guaranteed that the normal work and safety of main structure and tuning quality device.
Detailed description of the invention
Fig. 1 is the main view of system identification technique of the invention and self compensation tuned mass damper.
Fig. 2 is system identification and frequency compensation schematic device of the invention.
Fig. 3 is damping compensation schematic device of the invention.
Appended drawing reference: 1- mass block, 2- permanent magnet, 3- conductor plate, 4- magnetic conductive steel plate, 5- hole, 6- cantilever beam, the side 7-
Plate, 8- stepping push-pull rod I, 9- stepping push-pull rod II, 10- stepping push-pull rod III, 11- stepping push-pull rod IV, 12- bottom plate, 13-
Acceleration transducer I, 14- acceleration transducer II, 15- controller and 16- data storage and transmitting device.
Specific embodiment
The present invention provides a kind of system identification technique based on rigidity amplification principle and self compensation tuned mass dampers.
In fact, rigidity amplification principle are as follows: the frequency phase-difference of two dynamical systems is bigger, mutual system frequency coupling
It is smaller to close phenomenon, is more conducive to identify main structure, i.e., the natural frequency of vibration of the main power system of device control dampened.
System identification technique and self compensation tuned mass damper of the invention includes: that system identification and frequency compensation fill
It sets, damping compensation device, health monitoring and control device.
(system identification and frequency compensation device)
Wherein, as depicted in figs. 1 and 2, system identification and frequency compensation device include mass block 1, hole 5, cantilever beam 6,
Side plate 7, stepping push-pull rod I 8, stepping push-pull rod II 9 and bottom plate 12, bottom plate 12 are placed on primary structured surface, bottom plate 12 with
Side plate 7 welds, and hole 5 is located in side plate 7, and cantilever beam 6 and side plate 7 weld, and mass block 1 is placed in overarm arm 6, stepping push-and-pull
Bar I 8 and stepping push-pull rod II 9 is symmetricly set on the left and right sides of mass block 1.
Wherein, the sliding active distance range of stepping push-pull rod I 8 and stepping push-pull rod II 9 generally can be 300-
600mm。
(damping compensation device)
As shown in figure 3, damping compensation device includes permanent magnet 2, conductor plate 3, magnetic conductive steel plate 4, stepping push-pull rod III 10
With stepping push-pull rod IV 11, permanent magnet 2 is adsorbed on mass block 1, and conductor plate 3 is symmetrically disposed on the front and rear sides of mass block 1,
Magnetic conductive steel plate 4 is symmetrically disposed on the two sides of conductor plate 3, stepping push-pull rod III 10 be located at the front side of mass block 1 and with magnetic conduction steel
Plate 4 connects, and stepping push-pull rod IV 11 is located at the rear side of mass block 1 and connect with magnetic conductive steel plate 4, that is, is symmetrically distributed in mass block 1
Two sides, stepping push-pull rod III 10 is bolted magnetic conductive steel plate 4, and magnetic conductive steel plate 4 is bolted stepping push-pull rod IV 11；It is logical
The Optimal damping ratio of tuned mass damper is crossed, it can pushing away by control stepping push-pull rod III 10 and stepping push-pull rod IV 11
Roping is dynamic, to change the spacing distance between conductor plate 3 and permanent magnet 2, and changes the size of eddy-current damping power.
Wherein, it when vertical motion occurs for permanent magnet 2, is consumed energy by the fever of conductor plate 3, cutting magnetic occurs with conductor plate 3
Line of induction movement；Magnetic conductive steel plate 4 plays the role of enhancing magnetic field and eddy-current damping power.
The material of permanent magnet 2 can be rare earth permanent-magnetic material, SmCo, ni-Cd cobalt or ferrite permanent-magnet materials etc.；Conductor plate 3
Material can be with copper or aluminium etc..
The material of cantilever beam 6 can be steel, aluminium alloy, magnesium alloy and other high-strength alloy materials etc..
The sliding active distance range of stepping push-pull rod III 10 and stepping push-pull rod IV 11 generally can be 5-80mm.
(health monitoring and control device)
Health monitoring includes the acceleration transducer I 13 being connect by conducting wire, acceleration transducer II with control device
14, controller 15 and data storage and transmitting device 16, acceleration transducer I 13 is adsorbed in the top of mass block 1, for surveying
Measure the vertical acceleration of mass block 1；Acceleration transducer II 14 is adsorbed on primary structured surface, for measuring the perpendicular of main structure
To acceleration；Acceleration transducer I 13 and acceleration transducer II 14 is separately connected controller 15, and controller 15 connects data
Storage and transmitting device 16；Controller 15 is by analyzing and handling acceleration transducer I's 13 and acceleration transducer II 14
Acceleration signal.
Specific, when carrying out system identification and frequency compensation, controller 15 controls stepping push-pull rod II 9 for mass block 1
It is pushed to left end, then controller 15 can be known according to the acceleration signal for the acceleration transducer I 13 being located on mass block 1
The optimal frequency of tuned mass damper, the generally 95-99% of the main structure natural frequency of vibration are not obtained, can be 2-8Hz, and then control
Mass block 1 is pushed to the right correct position by stepping push-pull rod I 8 processed, to realize the compensation of damper stiffness and frequency.
It carries out after finishing said frequencies compensation work, can identify the mode matter of main structure by system identification technique in turn
Amount, wherein main structure is the main power system of device dampened control, and modal mass is the matter that main structure participates in the rank modal vibration
Amount, and then convert and obtain the Optimal damping ratio of tuned mass damper, i.e., generally 6-12%.
Data storage and transmitting device 16 are passed by storage, transmission and analysis processing acceleration transducer I 13 and acceleration
The acceleration signal of sensor II 14 can reinforce in time dimension according to preset acceleration responsive early warning value when being abnormal situation
Main structure and tuned mass damper are protected, to ensure the normal work and safety of main structure and tuned mass damper.
The tuned mass damper applies a reversed inertia force to main structure by the up-down vibration of mass block to control
The vertical motion of main structure processed, and vibrational energy is consumed by eddy-current damping.It carries out finishing above-mentioned damper stiffness and frequency
Compensation, and conversion obtains the Optimal damping ratio of tuned mass damper, and then after realizing the compensation of eddy-current damping coefficient, adjusts
Humorous mass damper becomes the damper of a Rational Parameters.
The above-mentioned description to embodiment is that this hair can be understood and used for the ease of those skilled in the art
It is bright.Those skilled in the art obviously readily can make various modifications to these embodiments, and described herein one
As principle be applied in other embodiments, without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments.
Those skilled in the art's principle according to the present invention, not departing from improvement that scope of the invention is made and modification all should be at this
Within the protection scope of invention.
Claims (9)
1. a kind of system identification technique and self compensation tuned mass damper, it is characterised in that: comprising: system identification and frequency
Compensation device, damping compensation device, health monitoring and control device；
The system identification and frequency compensation device include that mass block (1), hole (5), cantilever beam (6), side plate (7), stepping push away
Pull rod I (8), stepping push-pull rod II (9) and bottom plate (12), the bottom plate (12) are placed on primary structured surface, the bottom plate
(12) it is fixedly connected with the side plate (7), described hole (5) is located in the side plate (7), the cantilever beam (6) and the side
Plate (7) is fixedly connected, and the mass block (1) is placed on the overarm arm (6), the stepping push-pull rod I (8) and stepping push-and-pull
Bar II (9) is symmetricly set on the left and right sides of the mass block (1)；
The damping compensation device includes permanent magnet (2), conductor plate (3), magnetic conductive steel plate (4), stepping push-pull rod III (10) and step
Into push-pull rod IV (11), the permanent magnet (2) is adsorbed on the mass block (1), and the conductor plate (3) is symmetrically disposed on described
The front and rear sides of mass block (1), the magnetic conductive steel plate (4) are symmetrically disposed on the two sides of the conductor plate (3), the stepping push-and-pull
Bar III (10) is located at the front side of the mass block (1) and connect with the magnetic conductive steel plate (4), the stepping push-pull rod IV (11)
Positioned at the mass block (1) rear side and connect with the magnetic conductive steel plate (4)；
The health monitoring and control device include acceleration transducer I (13), acceleration transducer II (14), controller (15)
With data storage and transmitting device (16), the acceleration transducer I (13) is adsorbed in the top of the mass block (1), is used for
Measure the vertical acceleration of mass block (1)；The acceleration transducer II (14) is adsorbed on primary structured surface, for measuring master
The vertical acceleration of structure, the acceleration transducer I (13) and the acceleration transducer II (14) are separately connected controller
(15), the controller (15) connects the data storage and transmitting device (16).
2. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: it is described forever
When vertical motion occurs for magnet (2), cutting magnetic induction line movement occurs with the conductor plate (3).
3. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: the step
It is bolted the magnetic conductive steel plate (4) into push-pull rod III (10), the magnetic conductive steel plate (4) is bolted the stepping push-pull rod
IV (11), by controlling the movement of the stepping push-pull rod III (10) and the stepping push-pull rod IV (11), thus described in changing
The spacing distance of conductor plate (3) and the permanent magnet (2), and change the size of eddy-current damping power.
4. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: the control
Device (15) processed passes through the acceleration signal for analyzing and handling the acceleration transducer I (13) and acceleration transducer II (14),
Obtain the damping ratio of tuned mass damper.
5. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: the number
The acceleration transducer I (13) and acceleration sensing are handled by storage, transmission and analysis according to storage and transmitting device (16)
The acceleration signal of device II (14), to ensure the normal work of main structure and tuned mass damper.
6. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: it is described forever
The material of magnet (2) is selected from one or more of rare earth permanent-magnetic material, SmCo, ni-Cd cobalt and ferrite；The conductor plate (3)
Material is selected from one or more of copper and aluminium.
7. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: described outstanding
The material of arm beam (6) is selected from one or more of steel, aluminium alloy and magnesium alloy.
8. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: the step
It is 300-600mm into the distance of push-pull rod I (8) and stepping push-pull rod II (9).
9. system according to claim 1 identification technology and self compensation tuned mass damper, it is characterised in that: the step
It is 5-80mm into the distance of push-pull rod III (10) and stepping push-pull rod IV (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529406.1A CN110259239B (en) | 2019-06-19 | 2019-06-19 | System identification method and self-compensating tuned mass damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529406.1A CN110259239B (en) | 2019-06-19 | 2019-06-19 | System identification method and self-compensating tuned mass damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259239A true CN110259239A (en) | 2019-09-20 |
| CN110259239B CN110259239B (en) | 2021-03-30 |
Family
ID=67919165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529406.1A Active CN110259239B (en) | 2019-06-19 | 2019-06-19 | System identification method and self-compensating tuned mass damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110259239B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638515A (en) * | 2021-08-25 | 2021-11-12 | 湖南大学 | Variable-rigidity variable-mass variable-damping tuned mass damper and design method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415811A (en) * | 2002-09-30 | 2003-05-07 | 同济大学 | Damper for runing dissipation of energy of electromagnetic eddy current |
| CN101812879A (en) * | 2010-03-26 | 2010-08-25 | 北京工业大学 | Tuned mass damper for controlling tri-dimensional translation and horizontal torsion of building structure and manufacturing method thereof |
| KR20140090329A (en) * | 2013-01-07 | 2014-07-17 | 한국기계연구원 | Damper and generator damper |
| CN204185957U (en) * | 2014-09-30 | 2015-03-04 | 华北水利水电大学 | The vertical tuned mass damper of a kind of beam with both ends built-in formula |
| CN105549104A (en) * | 2015-12-29 | 2016-05-04 | 中国科学院测量与地球物理研究所 | Electromagnetic damper and gravimeter |
| CN106836544A (en) * | 2017-03-23 | 2017-06-13 | 同济大学 | A kind of current vortex self frequency-changing tuned mass damper |
| CN108560754A (en) * | 2018-04-27 | 2018-09-21 | 同济大学 | A kind of eddy current tuned mass damper of half active variable mass variable damping |
-
2019
- 2019-06-19 CN CN201910529406.1A patent/CN110259239B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1415811A (en) * | 2002-09-30 | 2003-05-07 | 同济大学 | Damper for runing dissipation of energy of electromagnetic eddy current |
| CN101812879A (en) * | 2010-03-26 | 2010-08-25 | 北京工业大学 | Tuned mass damper for controlling tri-dimensional translation and horizontal torsion of building structure and manufacturing method thereof |
| KR20140090329A (en) * | 2013-01-07 | 2014-07-17 | 한국기계연구원 | Damper and generator damper |
| CN204185957U (en) * | 2014-09-30 | 2015-03-04 | 华北水利水电大学 | The vertical tuned mass damper of a kind of beam with both ends built-in formula |
| CN105549104A (en) * | 2015-12-29 | 2016-05-04 | 中国科学院测量与地球物理研究所 | Electromagnetic damper and gravimeter |
| CN106836544A (en) * | 2017-03-23 | 2017-06-13 | 同济大学 | A kind of current vortex self frequency-changing tuned mass damper |
| CN108560754A (en) * | 2018-04-27 | 2018-09-21 | 同济大学 | A kind of eddy current tuned mass damper of half active variable mass variable damping |
Non-Patent Citations (2)
| Title |
|---|
| 王梁坤 等: "半主动电涡流单摆式调谐质量阻尼器减震性能研究", 《建筑结构学报》 * |
| 王梁坤 等: "电涡流单摆式TMD阻尼特性的有限元分析", 《噪声与振动控制》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638515A (en) * | 2021-08-25 | 2021-11-12 | 湖南大学 | Variable-rigidity variable-mass variable-damping tuned mass damper and design method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110259239B (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Bae et al. | Vibration suppression of a cantilever beam using magnetically tuned-mass-damper | |
| CN110259241A (en) | The intelligent tuning mass damper of half active variable damping of adaptive variation rigidity | |
| CN106989130A (en) | A kind of half active mono-pendulum type eddy current tuned mass damper | |
| CN110043600A (en) | A kind of quasi-zero stiffness vibration isolators and vehicle based on magnetic pull component | |
| CN106337591A (en) | Novel pendulum-type eddy current damping tuned mass vibration absorber | |
| CN207829204U (en) | A kind of rail mounted eddy current tuned mass damper | |
| CN110259239A (en) | System identification technique and self compensation tuned mass damper | |
| CN209179232U (en) | A kind of new type of continuous adjusts the tuned mass damper of rigidity | |
| CN108560754B (en) | Eddy current tuned mass damper with semi-active metamorphic variable damping | |
| CN108119594A (en) | Magnetorheological self-regulation vibration isolator and electric current become self-regulation vibration isolator | |
| CN208219895U (en) | A kind of eddy current tuned mass damper of half active variable mass variable damping | |
| EP2093454A1 (en) | Vibration energy absorber | |
| JPH05202984A (en) | Space controller of electromagnetic suspension device | |
| CN108425986A (en) | Drum type brake electric eddy-current damping device, damping adjusting method and bridge vibration-proof structure | |
| Zemp et al. | Development of a long-stroke MR damper for a building with tuned masses | |
| JPH03194238A (en) | Vibration controller using magnetic elastic body | |
| CN112580227A (en) | Horizontal shock absorber and method for determining medium mass of damping liquid in horizontal shock absorber | |
| Liu et al. | Development of a semi-active electromagnetic vibration absorber and its experimental study | |
| CN110409901B (en) | Variable-rigidity variable-damping composite damper based on magnetorheological elastomer and eddy current | |
| CN109778676A (en) | A kind of current vortex metal damper of multiple damping energy consumption | |
| CN110775820B (en) | Hanger damping system and method | |
| CN211930417U (en) | Three-phase asynchronous motor with adjustable base | |
| CN106400395A (en) | Washing machine and damping assembly thereof | |
| CN208089848U (en) | Drum type brake electric eddy-current damping device and bridge vibration-proof structure | |
| CN107289066A (en) | A kind of adaptive eddy current tuned mass damper of self-powered |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |