JPS5989848A - Vibration control device - Google Patents
Vibration control deviceInfo
- Publication number
- JPS5989848A JPS5989848A JP57197974A JP19797482A JPS5989848A JP S5989848 A JPS5989848 A JP S5989848A JP 57197974 A JP57197974 A JP 57197974A JP 19797482 A JP19797482 A JP 19797482A JP S5989848 A JPS5989848 A JP S5989848A
- Authority
- JP
- Japan
- Prior art keywords
- additional weight
- drive
- vibration
- control device
- triangle
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は構造物の免震あるいは制振に用いる振動制御装
置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vibration control device used for seismic isolation or damping of structures.
第１図は一般的な振動制御装置の基本構成図、第２図は
振動制御、装置に設けられた従来の横型の付加重鍾駆動
装置幌断面図である。図において、振動制御の対象であ
る構造物１が地震あるいは風荷重等の外力を受けて水平
方向に振動すると、この振動は構造物−１に装着した振
動検出器２．により電気信号として検出される。検出器
２からの電気信号は制御回路３に加えられて所要の振動
変位量あるいは振動速度量等に変換される。これらの諸
量に対応して、アクチュエータ２０の駆動部２１、カッ
プリング２２、射よび連結棒２３を介して付加重錘−２
４を振動的に運動させる駆動力が１．アクチェエータ２
０より生ずる。この駆動力はｉ用・反作用の原理にもと
づ門、アクチェエータ２０を装着する取付台；２５、架
台２６を介して構造物１に印加される。この駆動力が、
構造物１の振動にの振動は極度に減衰し、振動制御装置
としての機能が発揮される。なお２７は軸受支持台、２
８は直動ころがり軸受、２９は連結棒であり、表た２６
は、軸受支持具２７、取付具２５を固定する架台でかつ
構造物１０床部宏たは天井部に設置しである。FIG. 1 is a basic configuration diagram of a general vibration control device, and FIG. 2 is a sectional view of the hood of a conventional horizontal additional heavy plow drive device installed in the vibration control device. In the figure, when a structure 1, which is the object of vibration control, vibrates in the horizontal direction due to an external force such as an earthquake or wind load, this vibration is detected by a vibration detector 2. is detected as an electrical signal. An electrical signal from the detector 2 is applied to a control circuit 3 and converted into a required amount of vibration displacement or vibration velocity. Corresponding to these quantities, an additional weight 2 is connected to the drive unit 21 of the actuator 20, the coupling 22, and the connecting rod 23.
The driving force that causes 4 to vibrate is 1. Actuator 2
It arises from 0. This driving force is applied to the structure 1 via the gate, the mount 25 on which the actuator 20 is mounted, and the frame 26 based on the i-reaction principle. This driving force is
The vibration of the structure 1 is extremely attenuated, and the function as a vibration control device is exhibited. In addition, 27 is a bearing support stand, 2
8 is a linear rolling bearing, 29 is a connecting rod, and 26
is a frame for fixing the bearing support 27 and the fixture 25, and is installed on the floor or ceiling of the structure 10.
上記のような従来の振動制御装置は、付加重鐘駆動装置
４に設け・られた付加重錘Ｉ２４ヲ、一方向に駆動して
構造物１の振動を制御するので、付加重鍾２４けで、構
造物１の捩り振動については制御することができないな
どの欠点があった。The conventional vibration control device as described above controls the vibration of the structure 1 by driving the additional weight I24 provided in the additional weight driving device 4 in one direction. However, the torsional vibration of the structure 1 cannot be controlled.
本発明は上記のような欠点を解決するためになされたも
ので、水平面内で互いに直交する２軸方向の振動および
構造物の捩り振動を低減する振動制御装置を得ることを
目的とするものである。The present invention has been made in order to solve the above-mentioned drawbacks, and aims to provide a vibration control device that reduces vibrations in two axes perpendicular to each other in a horizontal plane and torsional vibrations of a structure. be.
本発明は上記の目的を達成するため、構造物に設ケタア
クチュエータと該アクチュエータの駆動部に装着した付
加重錘とを備えた３個の付加重錘駆動装置の駆動軸線が
、三角形を形成するように配置し、構造物の振動に応じ
て付加重錘を駆動させる制御回路を設けた、振動制御装
置を提供するものであ２゜以下図面を用いて本発明を説
明する。In order to achieve the above object, the present invention includes an actuator installed in a structure and an additional weight attached to a drive part of the actuator, and the drive axes of three additional weight drive devices form a triangle. The present invention will be described below with reference to the drawings.
なお、第１図及びｆＭ２図と同じ機能の部分については
、同一記号をもちいその説明を省略する。Note that the same symbols are used for the parts having the same functions as those in FIG. 1 and fM2, and the explanation thereof will be omitted.
第６図は本発明の実施例を示す平面図で、６個の付加重
錘駆動装置４ａ、４ｂ、４ｃの各駆動方向軸線が三角形
を形成するように、付加重錘駆動装置４ａ、４ｂ、４ｃ
を固定にある。各々の付加重錘駆動装置４ａ、４ｂ、４
ｃの構造は、第２図に示したのと同欅である。FIG. 6 is a plan view showing an embodiment of the present invention, in which the six additional weight driving devices 4a, 4b, 4c are arranged such that the driving direction axes of the six additional weight driving devices 4a, 4b, 4c form a triangle. 4c
It is fixed. Each additional weight drive device 4a, 4b, 4
The structure of c is the same as that shown in Figure 2.
次に上記のように構成した本発明の作用を、三角形ＡＢ
Ｃが正三角形である場合について説明する。いま付加重
鍾駆動装［４ａ、４ｂ、４ｃが、取付台２５、架台２６
を介して構造物１に印加ｒる力を、第４図に示すように
Ｆｌ、Ｆ２．ＦＢ とすると、Ｘ軸方向の力Ｆｘ ｌ
Ｙ 軸方向の力ＦＹ、Ｚ軸まわりのモーメン） Ｔｚ
は次のように表わすことができる。Next, the operation of the present invention configured as described above will be explained as follows.
A case where C is an equilateral triangle will be explained. Now the additional heavy plow drive system [4a, 4b, 4c are the mounting base 25 and the mount 26]
As shown in FIG. 4, the force applied to the structure 1 through Fl, F2 . If FB is the force in the X-axis direction, Fx l
Force in the Y-axis direction FY, moment around the Z-axis) Tz
can be expressed as follows.
Ｆｘ ＝ Ｆｌ ｃｏｓ ５００− Ｆ２ ｃｏｓ
６０°・・・・・・・・・・・・（１１ＦＭ ＝ Ｆ
ｌｓｉｎ ５０ ’ ＋ Ｆ２ ｓｉｎ ５０ ’ Ｆ
３・＋−＋＋−１２１Ｔｚ ＝ ＣＦ＋＋Ｆｚ＋
Ｆｓ ）ｅ・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・（３１一方、複数個の振
動センサー２からの電気信号を、第５図に示すように制
御回路６に入力し、必要なＸ軸方向の力Ｆｘ ｌ Ｙ軸
方向の力Ｆｘ 、 Ｚ 軸まわりのモーメントＴｚ
を求める。前記＋Ｉ＋ 、（２）。Fx = Fl cos 500- F2 cos
60°・・・・・・・・・(11FM=F
l sin 50' + F2 sin 50' F
3・+−++−121Tz = CF++Fz+
Fs) e・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・(31) On the other hand, the electrical signals from the plurality of vibration sensors 2 are input to the control circuit 6 as shown in FIG. Force Fx l Force Fx in the Y-axis direction, moment Tz around the Z-axis
seek. +I+, (2) above.
（３１式の連立方程式を解いて、各付加重錘駆動装置が
発生すべき制御力Ｆｓ 、 Ｆ２ 、 Ｆｓ を求め
る。これによってＸ軸、Ｙ軸方向の振動および２軸まわ
りの捩り振動を減衰させる。すなわち各々の付加重錘駆
動装置４ａ 、４ｂ 、４ｃが、前記の制御力Ｆ＋ 、
Ｆｚ 、 Ｆｓ を発生できるように、制御回路６
で所要の付加重錘の変位量又は速度量等に変換し、アク
チュエータ２０を制御し、アクチュエータ２０の駆動部
２１を作動させる。駆動部２１は、カップリング２２を
介して付加重錘２４を水平方向に駆動する。付加重錘２
４の慣性力により、アクチュエータ２０の発生する駆動
力は、作用・反作用必原理にもとづき、取付台２５、架
台２６を介して構造物１に印加される。。６個のアクチ
ュエータ２０により、構造物１に印加される力ＦＩ 。(Solve the simultaneous equations of Equation 31 to find the control forces Fs, F2, Fs that should be generated by each additional weight drive device. This dampens vibrations in the X- and Y-axis directions and torsional vibrations around the two axes.) That is, each additional weight driving device 4a, 4b, 4c has the control force F+,
In order to generate Fz and Fs, the control circuit 6
is converted into a required amount of displacement or velocity of the additional weight, and the actuator 20 is controlled to operate the drive section 21 of the actuator 20. The drive unit 21 drives the additional weight 24 in the horizontal direction via the coupling 22. Additional weight 2
The driving force generated by the actuator 20 is applied to the structure 1 via the mounting base 25 and the pedestal 26 based on the principle of action and reaction. . Force FI applied to structure 1 by six actuators 20.
Ｆ２ 、 Ｆｇは、Ｘ軸方向、Ｙ軸方向の振動および２
軸まわりの捩り振動を抑制する合力Ｆｘ ＋ ＦＹおよ
びモーメン） Ｔｚ となり、これにより構造物１の
振動は極度に減衰し、ｗＲｈ制御装置としての機能を発
揮する。F2, Fg are vibrations in the X-axis direction, Y-axis direction, and 2
The resultant force (Fx + FY and moment) Tz that suppresses the torsional vibration around the axis is obtained, thereby the vibration of the structure 1 is extremely damped, and the structure functions as a wRh control device.
上記の説明では、６個の付加重錘駆動装置の駆動方向軸
線が正三角形を形成する場合を示したが、駆動方向軸線
が形成ｒる三角形の形状はどのよう４なものであっても
よい。In the above explanation, the case where the drive direction axes of the six additional weight drive devices form an equilateral triangle is shown, but the shape of the triangle formed by the drive direction axes may be any of four shapes. .
本発明によれば、構造物の水平面内で互いに直交する２
軸方向６振動および垂直軸まわりの捩り振動に対する振
動制御効果が得られるので、実施による効果大である。According to the present invention, two
Since vibration control effects can be obtained for six vibrations in the axial direction and torsional vibrations around the vertical axis, the effect of implementation is great.
第１図は一般的な振動制御装置を示す基本構成図、第２
図は従来の付加重錘駆動装置を示す縦断面図、第５図は
本発明の実施例で付加重鎚駆動装置の配置を示す平面図
、第４図は本発明実施例の作用説明図、第５図は本発明
実施例のブロック図である。
１・・・構造物、６・・・制御回路、４・・・付加′Ｍ
鍾駆動装置、２０・・・アクチュエーター、２４・・・
付加重錘。
代理人 葛 野 信 −Figure 1 is a basic configuration diagram showing a general vibration control device, Figure 2
The figure is a vertical sectional view showing a conventional additional weight driving device, FIG. 5 is a plan view showing the arrangement of the additional weight driving device in an embodiment of the present invention, and FIG. 4 is an explanatory diagram of the operation of the embodiment of the present invention. FIG. 5 is a block diagram of an embodiment of the present invention. 1... Structure, 6... Control circuit, 4... Addition'M
Chronograph drive device, 20... actuator, 24...
Additional weight. Agent Shin Kuzuno −
Claims (1)
動部に装着した付加重錘とを備えた５個の付加軍備駆動
装置の・駆動方向軸線を三角形を形成するように配置し
、前記構造物の振動に応じて゛前記付加重錘を駆動させ
る制御回路を備えた振動制御装置。Five additional armament drive devices each including an actuator provided on the structure and an additional weight attached to the drive part of the actuator are arranged so that the drive direction axes form a triangle, and the vibrations of the structure are A vibration control device comprising a control circuit that drives the additional weight accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57197974A JPS5989848A (en) | 1982-11-11 | 1982-11-11 | Vibration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57197974A JPS5989848A (en) | 1982-11-11 | 1982-11-11 | Vibration control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5989848A true JPS5989848A (en) | 1984-05-24 |
| JPH031686B2 JPH031686B2 (en) | 1991-01-11 |
Family
ID=16383413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57197974A Granted JPS5989848A (en) | 1982-11-11 | 1982-11-11 | Vibration control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5989848A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61224015A (en) * | 1985-03-26 | 1986-10-04 | バリイ・ライト・コーポレーシヨン | Active vibration isolator |
| JPS6382838U (en) * | 1986-11-20 | 1988-05-31 | ||
| JPS63143611A (en) * | 1986-12-08 | 1988-06-15 | Masao Akimoto | Motion control method |
| EP0554057A1 (en) * | 1992-01-28 | 1993-08-04 | Kajima Corporation | Vibration control device for structure |
| JPH0711688U (en) * | 1993-08-02 | 1995-02-21 | 新興建材株式会社 | Door sealing device using non-magnetic material |
-
1982
- 1982-11-11 JP JP57197974A patent/JPS5989848A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61224015A (en) * | 1985-03-26 | 1986-10-04 | バリイ・ライト・コーポレーシヨン | Active vibration isolator |
| JPS6382838U (en) * | 1986-11-20 | 1988-05-31 | ||
| JPS63143611A (en) * | 1986-12-08 | 1988-06-15 | Masao Akimoto | Motion control method |
| EP0554057A1 (en) * | 1992-01-28 | 1993-08-04 | Kajima Corporation | Vibration control device for structure |
| US5421129A (en) * | 1992-01-28 | 1995-06-06 | Kajima Corporation | Vibration control device for structure |
| JPH0711688U (en) * | 1993-08-02 | 1995-02-21 | 新興建材株式会社 | Door sealing device using non-magnetic material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031686B2 (en) | 1991-01-11 |
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