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JPH0690110B2 |
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JPH06307974A |
PURPOSE: To provide a method and system for generating random wave data in which a random wave data of desired length can be generated easily from a short random wave data. CONSTITUTION: The random wave data generating system comprises f...
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JPH0687205B2 |
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JPH0676741U |
[Purpose] The lightweight and simple structure damps the vibration of rod-shaped structures. [Constitution] A piezoelectric body 12 that is attached to a position deviated from the axis 16 of the rod-shaped structure 11 and expands and c...
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JPH0683706B2 |
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JPH06294445A |
PURPOSE: To provide a vibration resisting device for eliminating even very small vibration by floating and suspending a vibration resisting base floor plate from a setting floor, by detecting various vibration modes of the vibration resi...
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JPH06288432A |
PURPOSE: To provide a vibration resistant device by magnetic floatation capable of damping vibration rapidly in the case of natural vibration being generated to a floating table mounted with machinery or the like. CONSTITUTION: A vibrati...
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JPH06281537A |
PURPOSE: To perform desired vibration application with high efficiency even when an instructed vibration frequency is low. CONSTITUTION: When a speed instruction value N* is inputted, a corresponding torque instruction value τM4x is app...
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JPH06280930A |
PURPOSE: To increase the vibration resistant effect and improve responsiveness for impact by measuring simultaneously the vibrations of an installation surface and an object to be controlled, determining the rate of vibratory transmissio...
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JPH06278443A |
PURPOSE: To damp the then-existing movements of a vehicle individually as desired by driving the suspension system between a vehicle body and wheels based on a sensor technique detecting spring-displacement movements between a vehicle bo...
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JPH06273277A |
PURPOSE: To improve the response characteristic in a control system independently of the frequency of the instruction value due to an arbitrary periodic function wave. CONSTITUTION: The frequency F1*,...,Fn*, amplitudes A1*,...,An*, and ...
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JPH06273259A |
PURPOSE: To provide a vibration controller which can improve the response characteristic of a control system independently of the frequency of the instruction value. CONSTITUTION: An instantaneous instruction value formation part 13 form...
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JPH0676738B2 |
The present invention contemplates a rigidity control system for a variable rigidity structure incorporating variable rigidity elements, such as braces, for making the connecting condition with the frame variable between the locked and u...
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JPH0675246B2 |
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JPH06258191A |
PURPOSE: To provide a twist agitator which can make a desired agitation even when an agitation command has a low frequency. CONSTITUTION: A speed variation generated by torque ripple command value Δτr* is operated as speed ripple R and...
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JPH0673086B2 |
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JPH06255740A |
PURPOSE: To obtain a drive control device, which can drive a mechanical vibrating system with a high stability and a high reliability. CONSTITUTION: A device is provided with a sine-wave generating circuit 1 for generating sine-wave as t...
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JPH06250723A |
PURPOSE: To reduce the vibration of the robot and perform real-time processing by integrating the acceleration shown by the acceleration pattern refound by processing the power spectrum distribution, obtained by removing a part correspon...
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JPH0670597B2 |
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JPH0665832B2 |
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JPH06230802A |
PURPOSE: To improve the followup ability of a controlled variable for a command value to be changed like a sine wave shape and to change the phase of the command value. CONSTITUTION: A controlled variable (a) detected by a motor 12 is su...
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JPH06230803A |
PURPOSE: To improve the followup ability of a controlled variable for a command value to be changed like a sine wave shape in a high frequency area by calculating a deviation based upon the amplitude value of the controlled variable calc...
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JPH0658282B2 |
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JPH0627860Y2 |
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JPH06207882A |
PURPOSE: To accurately obtain a frequency component which is in synchronization with rotation of a rotating body by providing a rotation trigger signal- generating means, a sampling data-inputting means, a discrete fourier-transform(DFT)...
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JPH06206450A |
PURPOSE: To provide a vibration absorbing device which can absorb both a vibration of a specific frequency being the cause of an introvertive sound, and a high-frequency vibration of a specific frequency being the cause of a noise in the...
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JPH06202740A |
PURPOSE: To provide a method and a circuit for attenuating mechanical vibration, whereby correspondence is automatically made to a vibration system and vibration attenuation is drastically quickly obtained. CONSTITUTION: The method is th...
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JPH06200978A |
PURPOSE: To remarkably reduce the number of used sensors loaded on an object to be controlled, and simply construct the system constitution. CONSTITUTION: This active vibration isolating device is provided with a plurality of vibration s...
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JPH06187049A |
PURPOSE: To provide the method and device for sound-proof and vibration-proof for performing the sound-proof, vibration-proof and predictive fault diagnosis of an objective device such as household electric product, automobile or industr...
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JPH0649299U |
[Purpose] To suppress high-order vibrations that occur in the hull of ferries and passenger ships inexpensively and effectively. [Constitution] In the vicinity of a higher-order vibration generator such as the main engine 7a or 7b, a fil...
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JPH06175735A |
PURPOSE: To effectively damp the vibrations of a controlled system caused by the vibrations of a power unit by using a control ratio changing means which changes the control ratios of plural exciting mounts in accordance with the state o...
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JPH06178570A |
PURPOSE: To positively suppress the vibration generated in a machine driving system and raise the gain of a control system so as to materialize high speed and high accuracy by feeding back both or either of the signals, obtained through ...
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JPH0646320U |
[Purpose] The pedometer was devised for the purpose of easily adjusting the count sensitivity for individual differences in vibration. [Constitution] A count sensitivity adjustment mechanism that operates with a structure that allows the...
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JPH06170769A |
PURPOSE: To suppress the generation of vibration when a robot arm is brought into a stop in a case of a robot arm being driven through a series of accelera tion operation and deceleration operation continued from the acceleration opera t...
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JPH06174007A |
PURPOSE: To obtain an active vibration control device which can moderate or stop the control of body when no vibration is generated to the article to be the control object. CONSTITUTION: An acceleration detector 8 detects an acceleration...
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JPH06174039A |
PURPOSE: To dampen a vibration of a band by mounting a pair of previously compressed energy absorption grommets to a half of a clamp comprising two portions and absorbing a vibration energy of a metal-driven band used for a positioning b...
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JPH06167988A |
PURPOSE: To enable satisfactory vibration reduction widely adaptively to the environmental change of a system. CONSTITUTION: Since this device uses a first arithmetic means 28 for generating a first control signal S1 of a vibration gener...
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JPH06147256A |
PURPOSE: To perform rapid positive damping by computing and inferring a coordinate position to be moved by means of signals from three or more vibration sensors through vibration of each of the vibration eliminating mount supporting poin...
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JPH06147259A |
PURPOSE: To improve a damping effect by providing two oil chambers formed by using a piston and a cylinder, a vibration absorber having the two oil chambers arranged above a U-shaped tank to store liquid, and a piping through which the o...
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JPH0639851B2 |
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JPH06143966A |
PURPOSE: To provide a vehicle vibration reducing device capable of improving a domain where the characteristic of transmitting vibration are deteriorated by the use of a dynamic damper unit attached to the unsprung mass, effectively perf...
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JPH06143968A |
PURPOSE: To provide a suspension control device where excessive repetition of the vibration suppressing control is prevented even when a vehicle is traveling on the road surface where the vertical vibration continues for a long time, the...
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JPH06138904A |
PURPOSE: To provide a technique for suppressing the vibrations of a mechanical part that is connected to a servo mechanism used for a robot, an NC machine, etc. CONSTITUTION: A main servo mechanism 1 contains a means 11 which calculates ...
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JPH06137371A |
PURPOSE: To provide a vibration control device by which vibration can be detected by eliminating a DC component of acceleration without using hardware and fast operation speed can be realized in simple constitution. CONSTITUTION: Vibrati...
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JPH06129487A |
PURPOSE: To make it possible for damping in a wide range of vibration frequencies in avoiding any resonance by altering a spring constant in a vibration system and also any natural frequency, respectively. CONSTITUTION: A load supporting...
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JPH06129483A |
PURPOSE: To minimize the extent of transmission of an engine vibration to a car body and a periodic vibration other than the engine's. CONSTITUTION: An explosion of an engine and a rotation of a tire 12 are all detected by pulse sensors ...
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JPH06124125A |
PURPOSE: To provide a power transmission mechanism for reducing rotation irregularity and torque irregularity at the parts level of a power transmission body such as a gear, a pully and a belt, etc. CONSTITUTION: This power transmission ...
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JPH06114762A |
PURPOSE: To perform suppression of vibration by containing detection of the natural vibration period of an object to be driven, decision of a speed pattern, decision of an acceleration time and a deceleration time responding to the speed...
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JPH06117480A |
PURPOSE: To provide a vibration eliminating device stable, fast in responsiveness and capable of eliminating vibration correctly with simple constitution by identifying the system constant of a control object correctly and rapidly at rea...
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JPH06107173A |
PURPOSE: To provide a vibration-controller of rolling stock suited to control over a vibration being produced in a car body. CONSTITUTION: Using a double-acting type pneumatic cylinder 21 as a fluid actuator set up in space between a car...
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