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JP10143254 |
To independently control an object for control, to be damped with high performance in three degree of-freedoms in the horizontal direction while decreasing the number of sensors and actuators as much as possible. This device has horizont...
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JP10141427 |
To compute a transfer fuction, required to reduce vibration, in a short time and with high accuracy without complicated arithmetic processing by identifying the transfer fuction using identification signals generated by discrete sine wav...
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JP10141428 |
To improve transmission characteristics of the vibration from a foundation which is installed. The vibration of a vibration resistant base 31 supported by a support mechanism 32 is detected by a first vibration detection means 34 in a vi...
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JP10143253 |
To provide a self-excited vibration type vibrator reduced in noise without generating any harsh sound. This self-excited vibration type vibrator is provided with a vibration displacement detector 16 for detecting the vibration displaceme...
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JP10137684 |
To provide a vibration generating mechanism for providing a compact, noise-reduced and inexpensive vibrator by incorporating a plurality of permanent magnets. At least two permanent magnets 12 and 14 with repulsion magnetic poles facing ...
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JP10133746 |
To provide an active damping method which eliminates disorder caused outside the damping band. A high-pass filter 41 which cuts off a detection signal y(t) over the entire range (ω≤ωn) of vibration frequencies where actuator-driven d...
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JP10132018 |
To completely separate a vibration into six degrees of freedom to make it possible to control all of them. A direction control device 13 for controlling the direction of an installed apparatus 9 is placed, there are provided a damping pa...
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JP10131544 |
To enhance vibration mitigating effect by a method wherein vibration mitigation control is secured by limiting to an active vibration mitigating device, simplification is performed using a diagonal member as an independent frame face, a ...
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JP10122301 |
To provide a method for reducing vibration transmitted to a structure from outside and a vibration reducing active control device. A fixed connecting method is adopted in one end of a stiffener and a main structure, another one end is co...
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JP10116104 |
To prevent a cylinder from reaching its stroke end when excessive vibration is inputted by adding a control input as an input to a controller, and then separating the mount system of an optimum regulator and the mount system of a Karman ...
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JP10115341 |
To adjust the height of level by a variable adjustment parameter, and to improve a control characteristic, by installing an electric control-type flow control valve which is controlled through an electronic controller on the basis of an ...
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JP10116125 |
To make a resonance frequency applied to a vibrating body follow up the actual resonance frequency of the vibrating body when the actual resonance frequency varies by feeding a residual frequency generated by the residual vibration of th...
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JP10110776 |
To prevent a vibration resistant base from deviating from a targeted position by providing a PI2 compensator where an integrator is added to a PI compensator for a stabilization compensator in a position loop for generating a position va...
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JP10110772 |
To conduct failure detection in an inoperative condition without special equipment required for it with a simple means and conduct optimum failure detection from hour to hour while conducting its control effectively by detecting failure ...
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JP10111692 |
To enhace the reliability of a system by detecting disconnected states of sensors outputting a residual noise signal an a residual vibration signals. In a disconnection detecting processing, at first, whether the absolute value of a resi...
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JP10105252 |
To accurately perform control so that the response of a controlled system driven by using more than one drive signal has desired relation with an original target. A temporary target generating means 30 constituting a PSD controller 12 of...
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JP10102819 |
To install a small-sized controller being easily changed to a vibration damper for a building. A controller 1 for the vibration damper is composed of the flat display picture plane 3 of an FA personal computer 4 with a tough key as an op...
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JP10091249 |
To facilitate the effective excitation of a vibration system by selecting a ratio between the detection voltage and the control voltage for control of the resonance frequency of a drive system when the control voltage proportional to the...
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JP10089416 |
To easily obtain signals for control synchronized with engine speed to control exciting force generating means for an active vibration control device. For a rotation member 16 rotating at a rotation speed corresponding to an engine speed...
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JP10082448 |
To provide an air spring - electromagnetic actuator combined type vibration isolator that can keep a vibration-absorbing table horizontal with the capacity of a relatively small electromagnetic actuator even though the center-of-gravity ...
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JP10083222 |
To generate a reference signal at low cost for control over the periodic signal. A reference signal generation part generates a one-shot signal V1 synchronized with a fall of a pulse signal VO, generates a delay signal which is delayed i...
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JP10081104 |
To provide a soundproofing method for a railroad wheel constituted of a rim adapted to roll arm a rail, a wheel core and a hub, which attenuates noises emitted from such a wheel rolling of a wide-ranging frequency band, especially of a f...
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JP10065974 |
To easily adjust a rocking resonance frequency of a scanning mirror in the case that a resonance scanning mirror driver is provided. The device is provided with a resonance scanning mirror drive mechanism rocking a scanning mirror 13 wit...
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JP10057661 |
To realize dehydration without interruption, by setting a vibration pattern to correspond to the vibration frequency and the vibration period of a washing machine and an optimum speed pattern of the washing machine motor and controlling ...
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JP10049237 |
To accurately vibrate a vibration device using a piezoelectric vibrator with simple constitution. This device has the piezoelectric vibrator which vibrates at specific frequency, the vibration device 10 such as a parts feeder provided wi...
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JP10037523 |
To make the size of an entire device compact and to make dynamic characteristics almost equal in two horizontal directions. Four movable part support units 1X, 1X, 1Y, 1Y, each of which has two linear bearings 2, 3 for guiding relative r...
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JP10037524 |
To reduce loads working on bearings to achieve a reduction of manufacturing cost and extension of device life and to provide a control device excellent in control performance by eliminating torsional moments that occur in the movable par...
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JP10032891 |
To secure a body sonic effect without the use of exclusive auxiliary speakers no sheets, etc., by superimposing the output signal of a car audio device on an actuator control signal in a prescribed condition and inputting these signals t...
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JP10019084 |
To attain stable control in a short time and excellent vibration isolating performance, in particular, in a high-frequency area. Relative displacement feedback control which is constituted so that relative displacements 22, 23 between an...
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JP10011071 |
To make deviation between a transfer function filter and an actual transfer function as small as possible without increasing largely a operation load. A controller 25 performing vibration reduction control is provided with a divergence d...
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JP10007099 |
To absorb the vibration in the wide frequency range by arranging a piezoelectric actuator and a screw motor type actuator in series between object members of a flexible space structure, and absorbing the vibration of the object members b...
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JP09330133 |
To automatically set a differential gain again only by setting characteristics of a machine system again. A Fourier inverse transformer 3 generates an operation value b* (AC signal) on the basis of an amplitude A* and a frequency F*. Thi...
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JP09330087 |
To perform identification of a transfer function filter required for adaptive algorithm highly accurately and for a short time without causing failure. A basic period T0 of periodic vibration is calculated in a step 204, after a counter ...
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JP09326362 |
To sustain the suppression effect of disturbance vibration while suppressing fluctuation of the environmental temperature without being affected by the shift of the center of gravity of a body due to movement of the stage. When the stage...
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JP09323068 |
To make it possible to execute the adjustment of the phase difference of a movable eccentric weight to a stationary eccentric weight by improving an exciting machine of a structure obtd. by fixing the stationary eccentric weight to a com...
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JP09319423 |
To suppress vibration in a normal mode when repeating acceleration and deceleration are repeated at a short pitch. A constant velocity area is forcedly provided between an acceleration area from time t0 to time t1 and a deceleration area...
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JP2729023 |
PURPOSE: To minimize pollution without lowering work efficiency by changing the amount of the vibratory force of a vibrator in stepless so as to be almost inversely proportional to a set feeling seismic intensity curve. CONSTITUTION: Whe...
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JP09310379 |
To improve workability by damping the vibrations of a hydraulic cylinder installed to a working machine. Cylinder pressure sensors 21, 22 sensing the pressure of a boom cylinder 8, a sub-hydraulic pump supplying a hydraulic cylinder with...
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JP09305239 |
To constitute a backlash model which can handle a collision of a gear tooth and effectively perform damping control over a multiple-inertia axial torsion system by using the model. The gear backlash model part 1b which can handle the col...
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JP09301542 |
To automatically suppress vibration caused by an excavating part by providing a damping device, put in damping action by an antiphase signal, at an excavating part or a lower part of a bucket elevator. During operation, vibration is dete...
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JP09303477 |
To easily and surely detect high-order emission of controlling. In detecting high-order emission, a vehicle speed sensing signal V is read in a step 121. In a step 122, it is determined whether or not the vehicle speed sensing signal V e...
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JP09295133 |
To provide a method for efficiently executing good quality soldering without damaging the soldered surface at the time of ultrasonic soldering, and to provide a device thereof. A solder iron 20 is brought into contact with the soldering ...
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JP09291566 |
To simplify the structure of a device by forming a device so that amplitude and frequency of a working device can be changed in proportion to the operated variable of an operating lever during the automatic oscillating work. In the condi...
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JP09292923 |
To make a rotation machine possible to stably rotate in the number of revolutions in a wide range by suppressing the vibration of the rotation shaft of the rotation machine. The shaft 3 of the rotation machine is supported by a second yo...
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JP2714905 |
PURPOSE: To restrict the resonance of the body to be controlled with a simple construction by controlling the resonance characteristic of the body to be controlled by using a low-pass filter combining a notched filter and an oval functio...
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JP09280943 |
To provide a vibration analysis system which enables easily analyzing of vibration of a construction without depending on experience of a worker by realizing a connection between one set of nodes of a three-dimensional solid element by o...
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JP09280306 |
To have more efficient vibration-reducing control over a vehicle active type vibration control device having at least two active type engine mounts. An active type engine mounts arranged on a front side of the vehicle out of two active t...
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JP09277992 |
To reduce vibration of a blade. Plural lamination type piezoelectric actuators 2 are embedded in both an upper and a lower surface of a blade 1 of a helicopter, and piezoelectric sensors 3 to measure vibration of the blade 1 are embedded...
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JP09280307 |
To have more efficient vibration-reducing control over an active type engine mount which intervenes between a power unit and a car body. As a result of the establishment of vibration transmission path which does not pass through an activ...
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JP09274503 |
To facilitate the adjustment of control characteristics and to decrease axial torsion vibrations in spite of a two-freedom-degree control system by providing a feedback controller, 1st and 2nd compensators and means for applying the sum ...
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