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JPH08177266A |
PURPOSE: To obtain a vibration control moment at least in the same extent as in a conventional structure by using a small scale gyro-stabilizer as a vibration control device. CONSTITUTION: The movement of a structure at the moment of vib...
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JPH08170687A |
PURPOSE: To provide an effective further stable vibration isolating effect by giving a controlling detection signal respectively to a plurality of vibratory exciting means in a plurality of vibration detecting means, and setting each of ...
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JPH08170446A |
PURPOSE: To enable freely determining at any time whether or not the vibration control action of a vibration control device is effected normally, the vibration control device allowing its vibration control functions to be checked at the ...
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JPH08166043A |
PURPOSE: To maintain balance of reaction acting on a base member from respective plurality of vibration control pads arranged in a bottom of the base member such as a surface plate in desired state. CONSTITUTION: A surface plate 6 is ins...
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JPH08161058A |
PURPOSE: To operate a dumping device without abnormality in the range of a capability determined for the dumping device up to the vicinity of a maximum angle of shake of a gimbals by setting the control gain used for control operation to...
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JPH08152047A |
PURPOSE: To balance the rotor of a rotating machine according to the change of a vibration state without stopping operation of the rotating machine. CONSTITUTION: The balancing device of a rotary machine comprises one set of balancing we...
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JPH08147038A |
PURPOSE: To stably maintain characteristics of the motor irrelevantly to load variation of an object to be driven and to speedily attenuate vibrations of the object to be driven if the object is elastic. CONSTITUTION: A normative model 2...
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JPH08145116A |
PURPOSE: To present a vibration resistant performance and damping performance compatibly and preclude the mechanism from getting complicated. CONSTITUTION: A surface reference plate 1 as a body to be vibro-isolated is supported by an ele...
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JPH08137556A |
PURPOSE: To provide an active vibration controller which can perform the advantageous control of an excitation device having the frequency multiplication characteriatics by means of an adaptive filter. CONSTITUTION: An active vibration c...
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JPH08115086A |
PURPOSE: To provide an active vibration proof method and its device capable of preventing vibration transfer from a rotary equipment to a supporting structure body and also attaining the protection of the rotary equipment from an externa...
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JPH08115131A |
PURPOSE: To acquire a vibration mode of allowing dissipated sounds caused by respective vibrations to interfere with each other near a structured object to be canceled each other by controlling the ratio of the total displacement amount ...
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JPH08110819A |
PURPOSE: To perform an excitation based upon the original excitation command by suppressing the resonance of a machine system due to external disturbance. CONSTITUTION: When an amplitude A* and a frequency f* are supplied to the controll...
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JPH08109945A |
PURPOSE: To provide an actuator driving circuit capable of reducing the higher harmony components of the vibration frequency, and realizing the vibration close to the sinusoidal wave with less distortion. CONSTITUTION: An actuator drivin...
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JPH08106293A |
PURPOSE: To eliminate a vehicle noise without increasing newly a sound receiving body. CONSTITUTION: An active noise elimination system 1 is constituted of an engine control unit 100 and a speaker 200. The engine control unit 100 is cons...
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JPH0893842A |
PURPOSE: To effectively exhibit a reduction effect of car body vibration in a device wherein operation of an exciter incorporated in an engine mount rubber is feedback-controlled, by using a phase when a vibration reduction effect by mea...
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JPH0883086A |
To provide a vibration removing device which is surely operated even when vibrations are generated at random, etc. This device is provided with a filter means 5 equipped with a means for applying a reference signal expressing the vibrati...
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JPH0880752A |
PURPOSE: To secure the reduction effect of the vehicle body vibration by a vibration exciter to the maximum by changing control factors in response to the reduction rate and change state of the vehicle body vibration, and making feedback...
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JPH0874926A |
PURPOSE: To ensure the reduction effect of a car body vibration by a vibration exciter to the maximum by stopping the change of a phase when the reduction effect of the car body vibration caused by the vibration exciter becomes the most ...
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JPH0874925A |
PURPOSE: To ensure the reduction effect of car body vibration caused by a vibration exciter to the maximum by considering a time lag from the output of the change signal until a vehicular vibration state is changed actually at the change...
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JPH0869289A |
PURPOSE: To evade regular scattering by temporarily Foulier transforming a filter coefficient of an adaptive digital filter, extracting a component of the same frequency as a reference signal and generating and outputting a drive signal ...
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JPH0820908B2 |
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JPH0819785B2 |
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JPH0819784B2 |
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JPH0816498B2 |
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JPH0842630A |
PURPOSE: To render vibration control systems on-line adaptive to compensate for the vibrations of the structural elements of apparatuses, while avoiding the complexity of an active type apparatus and overcoming the shortcomings of a pure...
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JPH0835537A |
PURPOSE: To effectively suppress the propagation of vibration to a floor from a vibration generating substance, e.g. the propagation of the vibration to the floor from a piano, etc., in particular to obtain large vibration control effect...
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JPH0836422A |
PURPOSE: To easily and surely calculate the transfer function and the disturbance of the response of an actuator in an input compensation formula. CONSTITUTION: This operation controller for vibration exciter which preliminarily calculat...
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JPH0830335A |
PURPOSE: To optimally compensate the transmission delay of a control system while limiting the compensation only to cyclic vibrations. CONSTITUTION: This device is provided with a transmission delay estimating means 17 for estimating the...
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JPH087633B2 |
A table work surface (61) is supported within a frame (62) by four passive but height regulated vibration isolation elements (63) are located near the corners of the table. Six velocity sensing geophones (64-69) are mounted on the table ...
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JPH086493B2 |
A vibration control device for structures, which constitutes a double action vibration absorber of positive control type by providing a driving member of a predetermined mass mb as a second added mass body relative to a first added mass ...
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JPH086494B2 |
A vibration control device for structures, which constitutes a double action vibration absorber of positive control type, in which a structure made of concrete or steel and having a room therein is placed on the top portion of a building...
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JPH0821482A |
PURPOSE: To improve the vibration insulating performance by installing a variable damper separately from an actuator and controlling the damping quantity of the variable damper. CONSTITUTION: A vibration insulating device is equipped wit...
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JPH083758B2 |
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JPH0814323A |
PURPOSE: To provide a controller for a damper by which the amplitude of vibration of an additional mass falls within a prescribed range and the damping of a structure can be realized depending on the smooth operation of the additional ma...
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JPH0814324A |
PURPOSE: To improve a vibration removing performance by increasing the quantity of displacement of ceramic laminated actuators. CONSTITUTION: Laminated ceramic actuators 3 driven based on a vibration signal S1 from a vertical vibration s...
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JPH081560A |
PURPOSE: To restrict vibration by detecting acceleration signals of respective drive motors for a first and a second arms, taking one drive motor for reference to determine time difference for the other drive motor so as to set the respe...
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JPH07332432A |
PURPOSE: To prevent oscillations and noises which may generate when the limits for anti-noise and aiti-vibraion are exceeded by designing component material and elements of a vibration body. CONSTITUTION: A piezoelectric ceramic 1 is fix...
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JPH07332431A |
PURPOSE: To reduce oscillations of a floor plate which shows a comparatively low characteristic frequency and low oscillation transmission ratio within a wide frequency range. CONSTITUTION: Oscillation information of a floor plate 7 is i...
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JPH07328965A |
PURPOSE: To provide the method for suppressing the vibration caused when an industrial robot hand is operated with an inexpensive structure. CONSTITUTION: The time differences between the rising times t1, t4 and trailing times t2, t3 of ...
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JPH07325628A |
PURPOSE: To enable well-perspective modeling to be carried out by detecting the vibration of the 6-degree-of-freedom rigid body vibration system in or nearby the center of rotation and fixing dynamic elements in respective translational ...
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JPH07111214B2 |
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JPH07111215B2 |
There is provided a vibration eliminating apparatus utilizing a magnetic suspending system which achieves zero power control. The vibration eliminating apparatus comprises a table (1) on which equipment is installed; magnetic yokes (3) f...
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JPH0752437Y2 |
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JPH07310779A |
PURPOSE: To detect the acceleration or the like of a level block and a device loaded on the level block, and to control an actuator according to the detection signal so as to reduce the vibration. CONSTITUTION: Plural detectors 9X,9Y,9Z ...
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JPH07309235A |
PURPOSE: To provide a vibration controller for rolling stock which is adapted to economically suppress vibration of a car body which is caused in the car body of the rolling stock. CONSTITUTION: A vibration controller of a rolling stock ...
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JPH07311124A |
PURPOSE: To optimize the responsiveness of a control system without relying on an exciting frequency. CONSTITUTION: When an amplitude A* and frequency F* are supplied to a controller 1, a Fourier inverse transformer 3 generates the manip...
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JPH07311627A |
PURPOSE: To optimize the response of a control system without depending upon an excitation frequency. CONSTITUTION: An amplitude A* and a frequency F* are supplied to the controller 1 and then a manipulated variable b* (AC signal) corres...
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JPH07104139B2 |
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JPH0799488B2 |
In a vibration control apparatus, a physical value influencing characteristics of a suspension for supporting a vibrating body and a state value representing movement of the suspension are detected. A frequency distribution of these valu...
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JPH07269647A |
PURPOSE: To protect the eyes of an operator and to eliminate difficulties in an operation by supporting spherical members, which have rigidity, resiliency and minute vibration absorbing power and maintain a rotating function even when a ...
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