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JP2682898B2 |
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JPH09301542A |
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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JPH09303477A |
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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JPH09511444A |
A device for cleaning dirty objects, for example dirty textiles or dishes, is characterized by a fluid-proof housing (8) immersible in water together with the dirty objects and made to vibrate by means of a drive mechanisms (12; 46). The...
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JPH09292923A |
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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JP2673321B2 |
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JPH09280943A |
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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JPH09280307A |
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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JPH09280306A |
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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JPH09277992A |
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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JP2664125B2 |
PURPOSE: To manufacture a high-quality product by reducing the tension fluctuation of a strip due to vibration in the steel process line. CONSTITUTION: The vibration of bridle rolls 2, 3 or the like is detected by a vibration detecting d...
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JPH09269839A |
To surely suppress rotational vibration with a small sum of investment with a comparatively simple method even if an existed object is to be altered by feeding back a rotational vibration suppression signal to a clutch. The rotational ou...
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JPH09265301A |
To prevent vibration and control instability due to feedback control from being generated in a controlled system even in the case of performing the feedback control with the root of the output shaft of an actuator as a detection position...
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JPH09260160A |
To obtain a compact and excellent soundproof effect by a method wherein a piezoelectric actuator is provided on a tank reinforcing member, a vibration with an inversed phase and an almost same level to the vibration with an vibration of ...
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JPH09257095A |
To effectively suppress vibration of a vibration elimination base of a vibration eliminator composed of a plurality of supporting devices provided with actuators for applying driving force to a vibration elimination base by arranging the...
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JP2656799B2 |
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JP2656801B2 |
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JP2656800B2 |
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JPH09250592A |
To reduce the deterioration of control performance, by operating thrust, to be commanded to an actuator from the output, through measuring a position from a desired reference point, and thrust, to be added to a command value, through ope...
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JPH09242816A |
To reduce the vertical size of a vibration control device, in relation to the vibration control device for preventing vertical vibration of a structure or a building. In a vibration control device 1, a weight 2 is hung on a spring 1, an ...
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JP2651558B2 |
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JPH09236149A |
To determine the accurate mechanical constant of an object to be vibration-controlled and to control a vibration control device with high precision based on the mechanical constant. Through drive of an actuator 7A and the other actuator ...
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JPH09230943A |
To make phase followup ability better and to save the space of the whole device by controlling the number of revolution of a servo motor according to the detection signal by a detection means and composing the phase of the exciting wave ...
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JPH09230908A |
To improve the identification precision of the adaptive system by using multi-valued logic based upon the fuzzy logical function instead of binary theory. The difference Ej between the outputs of an unknown transmission system 1 and a no...
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JP2650545B2 |
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JPH09508683A |
A method and apparatus for structural deflection control, as well as associated sequential controls that are based on new control laws. The apparatus of this invention is of relatively low cost and performs better than prior art devices....
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JP2545178Y2 |
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JP2643381B2 |
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JPH09217701A |
To constitute a feed back control system by using a value for detecting properties about the limited number of variables, and a calculating device for carrying out a simple calculation processing, and suppress vibration of a structure ef...
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JPH09212173A |
To reduce pulsation even if the frequency of the pulsation varies by adjusting the air column of a gas sealed part. A branch pipe 2 is fitted atop of a liquid transport pipe 1 and gas is charged in it. The branch pipe 2 is provided with ...
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JPH09203431A |
To cause a drive force to act upon a vibration suppressing bed in any direction in a horizontal moving mode, or to act thereupon by a desired maximum drive force. In a vibration suppressing system in which vibration suppressing devices 1...
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JP2542580Y2 |
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JPH09184537A |
To realize the suitable control for each motion mode by outputting a driving force command to only two actuators for generating driving force in the X direction or the Y direction of an X-Y stage to be placed on a vibration controlling s...
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JPH09184536A |
To improve vibration damping characteristics by calculating physical parameters of a mechanical spring for supporting a vibration resistant body and a viscous element on the basis of a calculating means for the simple physical parameter ...
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JPH09184055A |
To stabilize a control system and to dissolve phase lag of the control system by inputting an indicated value from a range finger and a setting value adopting a desirable position to be made stop as a target value, and carrying out a pha...
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JPH09166177A |
To provide a vibration damping device to decrease weight, to reduce a cost, and to diminish required energy. An external force suppression type vibration damping device comprises a moving plate 1 arranged at the side of a structure 2 and...
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JPH09158980A |
To obtain a control reducing effect in a wide range in an inexpensive constitution, particularly in the case of attaining reduction of periodical vibration and noise. An active vibration control device is constituted by providing an engi...
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JP2616104B2 |
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JP2617715B2 |
A damping coefficient control device, for use in a vibration damper of the type which is disposed between a vibration source and a vibration receiving section to be isolated from the vibration of the vibration source and which has a plur...
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JP2612697B2 |
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JPH09110134A |
To provide a drive unit capable of driving a conveyor near a resonance mode and eliminating the change of a mechanical system by applying the constitution that the drive unit is treated for the fluctuation of inductance due to a mechanic...
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JP2603391B2 |
PURPOSE: To obtain a high-precision variable attenuator stably actuating against various factors. CONSTITUTION: Two-rod type piston 3 is provided so as to freely slide in the inside of a cylinder 2. A flow rate adjusting valve 12 compose...
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JPH09106290A |
To provide an active noise controller in which a highly precise control effect is obtained using an analog low pass filter having a high cutoff frequency with a gentle cutoff characteristic, a howling phenomenon is reduced and the precis...
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JP2599602B2 |
An oscillating apparatus comprises a cylinder (2), a piston (3) reciprocatingly movably fitted in the cylinder, shaft members (4) connected to the piston and extending out of the cylinder. The cylinder, piston and shaft members form an o...
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JPH0991005A |
To sufficiently suppress vibration generated in a controlled target even when there is a modeling error by including a condition for describing a manipulated variable by a polynomial in time in restriction conditions and finding out a ma...
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JP2531481Y2 |
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JPH0979313A |
To reduce the number of sensors and actuators, and to highly control horizontal three degrees of freedom, independent from one another, laying the detecting directions of horizontal sensors and manipulation generating directions of horiz...
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JPH0972375A |
To reduce the generation of vibration by updating the filter factor of an FIR filter so that an addition signal level from an adding part is minimized. A controller 1 to control operation of an actuator 3 comprises an FIR filter 14 to ge...
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JP2587901B2 |
PURPOSE: To eliminate a cause for an uncontrollable punching action during high-speed punching by applying a damping pulse for removing the kinetic energy from a moving member to a primary stator coil during the bounce of the moving memb...
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JPH0960608A |
To suppress vibration caused by shock at the time of which operation before the vibration is amplified, and carry out damping quickly. Vibration caused by lowering operation of a winch motor 11 is detected by a vibration sensor 24, pilot...
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