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JP2001213509A |
To solve a problem in a conventional vibrating feeder where an acceleration in the direction opposite to the transferring direction is higher than that in the transferring direction of fine particles to transfer fine particles on a vibra...
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JP2001209434A |
To prevent a divergence of positioning control from occurring even if gain of positioning control is set highly.A vibration component of a table (14) is extracted, and according to the extracted component, the vibration component to canc...
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JP2001201433A |
To provide a machine protection system and method for rotating equipment. The machine protection system is provided with a control system 18 and a vector sensor unit 12, communicating with the control system and sensing vibration amplitu...
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JP2001201427A |
To provide a shock-type vibration generating device which can generate vibration with high-precision vibration characteristics. The shock-type vibration generating device (1) is equipped with shock devices (3), which are arranged on reve...
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JP3192227B2 |
PURPOSE: To restrain vibration and improve action speed and responsiveness at the time of force control by multiplying by a predetermined gain a relative speed between a robot arm and a robot hand calculated from the output of a displace...
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JP2001193786A |
To provide a small and inexpensive active vibration absorbing device for efficiently absorbing vibration in a well responsive manner. A mass 3 arranged at a perpendicular point of three axes being perpendicular to one another is supporte...
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JP3189865B2 |
To provide a mechanical vibration detecting equipment capable of taking out mechanical vibration with a high accuracy and easy adjustment and a damping controller capable of easily achieving damping of mechanical vibration. A motor contr...
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JP3186129B2 |
PURPOSE: To control an amplitude and a vibrating direction at prescribed ones by computing an amplitude and a vibrating angle in a major axis direction and a minor axis direction from the output of a vibration detecting element to compar...
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JP3183141B2 |
To improve control efficiency in actuator control using genetic algorithm (GA). A shock absorber 10 is controlled by an actuator 16. The attenuating coefficient of the absorber 10 to be controlled by the actuator 16 is calculated by usin...
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JP3183140B2 |
To improve control efficiency in actuator control using genetic algorithm(GA). A shock absorber is controlled by an actuator 22. The attenuating coefficient of the absorber to be controlled by the actuator 22 is calculated by using GA by...
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JP3182158B2 |
A supporting device for supporting a member having an inside movable portion, includes a main frame (511) and a supporting reference plate (530) on which the member is to be placed. A plurality of driving mechanisms are disposed between ...
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JP2001175245A |
To provide a method and a device for preventing the propagation of the vibration of a percussion/string musical instrument in which propagation of the vibration of the instrument to a floor is prevented at a low cost while the delay in c...
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JP2001173713A |
To reduce ROM necessary for a vibration reducing device and suppress the enlargement of a system scale.The vibration frequency of an engine 3 is taken in a controller 5 with a frequency sensor 7, and acceleration applied to a sheet 2 is ...
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JP2001158521A |
To provide a control device of a powder supply trough that can apparently decrease static friction coefficient between the trough and powder and save energy for conveying the powder without raising cost.A symmetric waveform generator 101...
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JP2001158522A |
To provide a control device of a powder supply vibration trough that can convey powder having large adhesion with a small excitation force and spray the powder broadly with the small excitation force.The amplifier 103a outputs current i1...
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JP3173031B2 |
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JP3163586B2 |
PURPOSE: To provide a vibration control device of attaining sure support of a vibration source and prevention of its coming off and also simplification of a structure and spread of possible displacement quantity of a drive unit. CONSTITU...
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JP3161277B2 |
PURPOSE: To hold horizontal directional and vertical directional phase difference angles in an optimal value by determining a phase angle of first and second phase shifters so that a phase difference between a first vibration system and ...
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JP3159023B2 |
To enhance vibration isolation effect of a higher harmonic component of vibration by supporting an apparatus placement table above a base table, coupling this placement table and the base table by means of a passive vibration isolation m...
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JP2001100847A |
To prevent resonance when the rotator of a rotating body starts or stops rotating. Concerning a rotating body 5 to which a rotator 1 is axially attached, this rotating body is provided with a resonance-preventing device 6 for acceleratin...
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JP3147188B2 |
PURPOSE: To improve responsiveness by controlling an actuator with an acceleration feedback value in place of a lever command value, near the operation completing position of an operation lever, in the oscillation attenuating direction. ...
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JP2001066492A |
To easily move a main body to a body to be observed and also to absorb inertia caused at the movement of the main body by installing the movement controller of apparatuses on the ground, a space station, a ship and a ground structure or ...
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JP3145032B2 |
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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JP3140485B2 |
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JP3140718B2 |
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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JP2001056276A |
To provide a loading test device and its force control method capable of matching a waveform of a response wave showing a displacement of a test object with a target triangular waveform without deviation. This force control method, is a ...
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JP2001050974A |
To enable a mechanical quantity sensor to directly detect the so-called 'jerk dot', which is the further differentiated value of a jerk (differentiated value of acceleration with respect to time) with respect to time. A mechanical quanti...
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JP3136827B2 |
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JP3136825B2 |
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JP2001041846A |
To easily and readily detect an aerodynamic force with high accuracy with a simple constitution. A model 11 for wind tunnel test is set up in a state such that the model 11 can be freely elastically deformed in the flexural and torsional...
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JP2001044109A |
To eliminate the influence of the deformation of the main body structure of an aligner on the exposure accuracy. An exposure device is provided with stages 2 and 5, which move while the stages 2 and 5 hold an original plate R or a substr...
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JP2001033477A |
To directly detect the time differentiation of acceleration, i.e., jerk. If an acceleration (a) acts on a base portion 3, a cantilever body 4 is curved, and an angular velocity Ω is generated at its tip part. The angular velocity Ω is ...
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JP2001037006A |
To prevent vibration of a vehicle equipped with a plurality of driving force sources when the output torque of the vehicle is changed for acceleration or deceleration. A damping device is equipped with a plurality of driving force source...
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JP2001030128A |
To provide a damping device to prevent propagation of external vibration to a machine tool and be capable of damping even internal vibration occasioned by movement of a moving body. This damping device comprises a first damping means 2 c...
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JP3131295B2 |
The present invention provides a which enables a person to experience the effect of change of an actual elastic component of a vehicle for an elastic component of another design without changing the actual elastic component. A vehicle el...
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JP3131442B2 |
A circuit for controlling a free-piston engine, particularly of a refrigerator compressor, comprises a part (1) of H configuration, in the sides (4, 5, 6, 7) of which there are positioned electronically controlled switching means (8), sa...
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JP3129782B2 |
PURPOSE: To obtain a method for controlling a road simulator which always converges and can rapidly obtain a transfer function approximate to linear. CONSTITUTION: A temporary transfer function is calculated from predetermined noise and ...
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JP3129335B2 |
PURPOSE: To lighten the influence of the friction in an active dynamic damper by adjusting the actional force generated in an actuator. CONSTITUTION: An adder adds up the inertia, which is gotten by multiplying the acceleration a2 of a v...
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JP3129334B2 |
PURPOSE: To provide a control system without deteriorating control performance by removing accumulation of an error through a high-pass filter, and correcting an advance of an additional phase by a low-pass filter, in the case of estimat...
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JP3125640B2 |
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JP3124382B2 |
PURPOSE: To generate optimum vibration reducing motions in accordance with the damping characteristics of a suspension device when the car vibrations are to be reduced by giving the car a vibration of the same amplitude as, and opposite ...
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JP2001003984A |
To provide an active control method whereby changes in output in a frequency range wherein a filter factor varies abruptly can be controlled smoothly at low cost.A data table ROM 66 storing data about the renewal of a filter factor obtai...
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JP3117887B2 |
PURPOSE: To perform an automatic work to suppress the occurrence of chatter vibration by a method wherein when chatter vibration is detected, a data processing means causes a control device to effect variation indication and on and after...
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JP3117047B2 |
PURPOSE: To shorten the time required for calculation while decreasing the number of memories to be used by modifying a formula for estimating the state variables of an observer to a functional formula dependent only on a torque command ...
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JP2000338010A |
To reduce the mass of the moving elements of a mechanical system, to constitute them simply, and to heighten an oscillation frequency.A first Y-direction direct-acting actuator 25 supports a plate 12 ratably on a first rotating shaft per...
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JP2000337435A |
To perform damping by offsetting vibration of a vibration source by a thin magnetstrictive actuator.An exciting coil 17 is wound around a magnestrictive element 16 mechanically coupled to a drive source 12 to form a magnetstrictive actua...
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JP3114358B2 |
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JP2000311019A |
To provide a vibration control method and a vibration controller of a sheet material, which can sufficiently attenuate vibration even if generated vibration is large. A vibration controller 1 is provided with a detection part 2 which is ...
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JP3107133B2 |
PURPOSE: To suppress the vibration of a body effectively so as to improve riding comfort by discriminating the travel of a vehicle in a tunnel from the travel outside of the tunnel by spot detection, and selectively switching control cha...
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JP2000301067A |
To make it possible to embody the more excellent reproducibility of exciting waveforms by compensating the change in the dynamic characteristics of a hydraulic cylinder which is the exciting source of a hydraulic exciting machine. The hy...
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