JPH031686B2 - - Google Patents
Info
- Publication number
- JPH031686B2 JPH031686B2 JP57197974A JP19797482A JPH031686B2 JP H031686 B2 JPH031686 B2 JP H031686B2 JP 57197974 A JP57197974 A JP 57197974A JP 19797482 A JP19797482 A JP 19797482A JP H031686 B2 JPH031686 B2 JP H031686B2
- Authority
- JP
- Japan
- Prior art keywords
- additional heavy
- vibration
- actuator
- drive
- additional
- 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.)
- Expired - Lifetime
Links
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
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
付加重鍾駆動装置の縦断面図である。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、アクチユエータ２０の駆動
部２１、カツプリング２２、および連結棒２３を
介して付加重鍾２４を振動的に運動させる駆動力
が、アクチユエータ２０より生ずる。この駆動力
は作用・反作用の原理にもとづき、アクチユエー
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
の振動に対抗するように制御回路を設定すると、
構造物１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、２８は直動ころがり軸受、２９は連結棒であ
り、また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１の床部または天井部
に設置してある。 Figure 1 is a basic configuration diagram of a general vibration control device.
FIG. 2 is a longitudinal sectional view of a conventional horizontal additional heavy plow drive device provided in a vibration control device. In the figure, when a structure 1 that is subject to 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 attached to the structure 1.
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, the actuator 20 generates a driving force that vibrably moves the additional weight 24 via the drive portion 21, the coupling 22, and the connecting rod 23 of the actuator 20. This driving force is applied to the structure 1 via the mount 25 and the pedestal 26 on which the actuator 20 is mounted, based on the principle of action and reaction. This driving force is the structure 1
Setting the control circuit to counteract the vibrations of
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, 28 is a linear motion 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 1. It has been done.
上記のような従来の振動制御装置は、付加重鍾
駆動装置４に設けられた付加重鍾２４を、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の駆動方向の振動についてのみ効果を発
揮するだけで、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つた。 The conventional vibration control device as described above controls the vibration of the structure 1 by driving the additional weight 24 provided in the additional weight thong drive device 4 in one direction. However, it is only effective against the vibration of the structure 1, and 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
設けたアクチユエータと該アクチユエータの駆動
部に装着した付加重鍾とを備えた３個の付加重鍾
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鍾を駆動さ
せる制御回路を設けた、振動制御装置を提供する
ものである。以下図面を用いて本発明を説明す
る。なお、第１図及び第２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。 In order to achieve the above-mentioned object, the present invention provides a structure in which the drive axes of three additional heavy plow drive devices, each including an actuator provided in a structure and an additional heavy plow attached to a drive portion of the actuator, form a triangle. The present invention provides a vibration control device which is arranged as shown in FIG. The present invention will be explained below using the drawings. Note that the same symbols are used for parts having the same functions as those in FIGS. 1 and 2, and the explanation thereof will be omitted.
第３図は本発明の実施例を示す平面図で、３個
の付加重鍾駆動装置４ａ，４ｂ，４ｃの各駆動方
向軸線が三角形を形成するように、付加重鍾駆動
装置４ａ，４ｂ，４ｃを固定にある。各々の付加
重鍾駆動装置４ａ，４ｂ，４ｃの構造は、第２図
に示したのと同様である。 FIG. 3 is a plan view showing an embodiment of the present invention, in which the three additional heavy plow drive devices 4a, 4b, 4c are arranged such that the drive direction axes of the three additional heavy plow drive devices 4a, 4b, 4c form a triangle. 4c is fixed. The structure of each additional heavy plow drive device 4a, 4b, 4c is the same as that shown in FIG.
次に上記のように構成した本発明の作用を、三
角形ABC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置４ａ，４ｂ，４ｃが、
取付台２５、架台２６を介して構造物１に印加す
る力を、第４図に示すようにF1，F2，F3とする
と、ｘ軸方向の力FX，Ｙ軸方向の力FY、ｚ軸ま
わりのモーメント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 for the case where triangle ABC is an equilateral triangle. Now, the additional heavy plow drive devices 4a, 4b, 4c,
Assuming that the forces applied to the structure 1 via the mounting base 25 and the mount 26 are F 1 , F 2 , and F 3 as shown in FIG. 4, the force in the x-axis direction F X and the force F in the Y-axis direction The moment T Z around the Y and z axes can be expressed as follows.
FX＝F1cos30゜−F2cos30゜ ……(1)
FY＝F1sin30゜＋F2sin30゜−F3 ……(2)
TZ＝（F1＋ＦF3）ｌ ……(3)
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３に入力し、必
要なｘ軸方向の力FX，Ｙ軸方向の力FY，ｚ軸ま
わりのモーメントTZを求める。前記(1)，(2)，(3)
式の連立方程式を解いて、各付加重鍾駆動装置が
発生すべき制御力F1，F2，F3を求める。これに
よつてｘ軸、Ｙ軸方向の振動およびｚ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鍾
駆動装置４ａ，４ｂ，４ｃが、前記の制御力F1，
F2，F3を発生できるように、制御回路３で所要
の付加重鍾の変位量又は速度量等に変換し、アク
チユエータ２０を制御し、アクチユエーータ２０
の駆動部２１を作動させる。駆動部２１は、カツ
プリング２２を介して付加重鍾２４を水平方向に
駆動する。付加重鍾２４の慣性力により、アクチ
ユエータ２０の発生する駆動力は、作用・反作用
の原理にもとづき、取付台２５、架台２６を介し
て構造物１に印加される。３個のアクチユエータ
２０により、構造物１に印加される力F1，F2，
F3は、ｘ軸方向、Ｙ軸方向の振動およびｚ軸ま
わりの捩り振動を抑制する合力FX，FYおよびモ
ーメントTZとなり、これにより構造物１の振動
は極度に減衰し、振動制御装置としての機能を発
揮する。 F _ _ _ _ _ _ _ _ _ ) On the other hand, the electrical signals from the plurality of vibration sensors 2 are input to the control circuit 3 as shown in FIG. Find the moment T Z. (1), (2), (3) above
The control forces F 1 , F 2 , and F 3 to be generated by each additional heavy plow drive device are determined by solving the simultaneous equations of the following equations. This damps vibrations in the x- and y-axis directions and torsional vibrations around the z-axis. That is, each additional heavy plow drive device 4a, 4b, 4c has the control force F 1 ,
In order to generate F 2 and F 3 , the control circuit 3 converts it into the required displacement or speed of the additional weight, controls the actuator 20, and controls the actuator 20.
The drive section 21 of is activated. The drive unit 21 drives the additional heavy peg 24 in the horizontal direction via the coupling 22. The driving force generated by the actuator 20 due to the inertial force of the additional weight 24 is applied to the structure 1 via the mounting base 25 and the pedestal 26 based on the principle of action and reaction. The forces F 1 , F 2 , applied to the structure 1 by the three actuators 20
F 3 becomes the resultant force F Demonstrates its function as a device.
上記の説明では、３個の付加重鍾駆動装置の駆
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する三角形の形状はどの
ようなものであつてもよい。 In the above description, a case has been described in which the drive direction axes of the three additional heavy plow drive devices form an equilateral triangle, but the shape of the triangle formed by the drive direction axes may be of any shape.
本発明によれば、構造物の水平面内で互いに直
交する２軸方向の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, it is possible to obtain a vibration control effect on vibrations in two axes perpendicular to each other in the horizontal plane of a structure and torsional vibrations around a vertical axis, so that the effect is great when implemented.
第１図は一般的な振動制御装置を示す基本構成
図、第２図は従来の付加重鍾駆動装置を示す縦断
面図、第３図は本発明の実施例で付加重鍾駆動装
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ツク図
である。
１…構造物、３…制御回路、４…付加重鍾駆動
装置、２０…アクチユエータ、２４…付加重鍾。
Fig. 1 is a basic configuration diagram showing a general vibration control device, Fig. 2 is a vertical cross-sectional view showing a conventional additional heavy plow drive device, and Fig. 3 is an embodiment of the present invention and the arrangement of the additional heavy plow drive device. FIG. 4 is an explanatory view of the operation of the embodiment of the present invention, and FIG. 5 is a block diagram of the embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Structure, 3... Control circuit, 4... Additional heavy joist drive device, 20... Actuator, 24... Additional heavy joist.
Claims (1)
エータの駆動部に装着した付加重鍾とを備えた３
個の付加重鍾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
て前記付加重鍾を駆動させる制御回路を備えた振
動制御装置。1. 3 comprising an actuator provided on the structure and an additional heavy stud attached to the drive part of the actuator.
A vibration control device comprising: a control circuit for arranging drive direction axes of the additional heavy plows driving devices to form a triangle, and driving the additional heavy plows in response to vibrations of the structure.
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 JPS5989848A (en) | 1984-05-24 |
| JPH031686B2 true 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) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL77057A (en) * | 1985-03-26 | 1990-03-19 | Wright Barry Corp | Active vibration isolation system |
| JPS6382838U (en) * | 1986-11-20 | 1988-05-31 | ||
| JPS63143611A (en) * | 1986-12-08 | 1988-06-15 | Masao Akimoto | Motion control method |
| JP2546465B2 (en) * | 1992-01-28 | 1996-10-23 | 鹿島建設株式会社 | Vibration control device for structures |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5989848A (en) | 1984-05-24 |
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