JPH0369729U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の第一実施例としての回転軸系
の捩り振動制振装置の構成及び信号伝達経路を示
す図、第２図は本考案の第二実施例としての回転
軸系の捩り振動制振装置の構成及び信号伝達経路
を示す図、第３図は本装置を用いたときの回転軸
系の捩り振動の応答の一例をを示すグラフである
。また、第４図は従来の制振方法の１例としての
ランチエスタダンパの構造図である。 １……直流電動機、２……負荷、３……回転軸
系、４，５……回転慣性、７……信号処理部、８
……回転軸駆動装置、９……直流発電機、ａ……
等ピツチの歯形もしくは反射テープ、ｂ……電磁
ピツクアツプもしくは光学センサ、ｃ……捩り振
動計測器、ｅ……位相反転器、ｈ……直流電動機
の界磁コイル、ｌ……直流発電機の界磁コイル。 Fig. 1 is a diagram showing the configuration and signal transmission path of a torsional vibration damping device for a rotating shaft system as a first embodiment of the present invention, and Fig. 2 shows a torsional vibration damping device for a rotating shaft system as a second embodiment of the present invention. FIG. 3 is a diagram showing the configuration and signal transmission path of the vibration damping device, and a graph showing an example of the response to torsional vibration of the rotating shaft system when this device is used. Moreover, FIG. 4 is a structural diagram of a Lanciestad damper as an example of a conventional vibration damping method. 1... DC motor, 2... Load, 3... Rotating shaft system, 4, 5... Rotational inertia, 7... Signal processing section, 8
...Rotary shaft drive device, 9...DC generator, a...
Equal pitch tooth profile or reflective tape, b... Electromagnetic pickup or optical sensor, c... Torsional vibration measuring device, e... Phase inverter, h... Field coil of DC motor, l... Field of DC generator. magnetic coil.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転軸系に設置した捩り振動を検出するセンサ
と、該センサにより検出される振動速度信号（相
対捩れ角速度）に比例しかつ逆位相の信号を得る
ための信号処理部と、上記軸系に非接触で変動ト
ルクを与えるためのアクチユエータとして作動す
る直流電動機あるいは直流発電機の駆動コイルに
上記信号処理部の出力を加える速度フイードバツ
ク制御システムとからなり、回転中に発生する回
転軸系の捩り振動を能動的に制振することを特徴
とする回転軸系の捩り振動制振装置。 A sensor installed on the rotating shaft system to detect torsional vibration, a signal processing section for obtaining a signal proportional to and in opposite phase to the vibration velocity signal (relative torsional angular velocity) detected by the sensor, and a It consists of a speed feedback control system that applies the output of the signal processing section to the drive coil of a DC motor or DC generator that operates as an actuator to apply fluctuating torque through contact, and controls the torsional vibrations of the rotating shaft system that occur during rotation. A torsional vibration damping device for a rotating shaft system that actively damps vibrations.