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JP4066481B2 |
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JP4061685B2 |
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JP4061845B2 |
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JP2008051330A |
To reduce a force received to a table from a stage device, without having influence on an external part, by a plurality of inertia force generators, and to damp vibration from an installation floor by the same inertia force generators.Th...
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JP4056019B2 |
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JP4048391B2 |
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JP4041857B2 |
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JP4041211B2 |
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JP4032192B2 |
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JP4031875B2 |
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JP2007315590A |
To provide a vibration isolation system and a method for vibration isolation, in which vibration isolation effect is further improved. An active vibration isolation system 1 is equipped with four air bearings 2 and a plate 5 is mounted o...
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JP4016966B2 |
A method for actuating active vibration insulators includes the steps of generating an idling control signal in an idling range of a vehicle, generating a running control signal in a running range of the vehicle, and actuating an electro...
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JP4004609B2 |
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JP3997610B2 |
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JP3995773B2 |
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JP3988060B2 |
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JP3977091B2 |
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JP2007229835A |
To provide a damping device for a machine tool capable of satisfactorily suppressing vibrations while maintaining high responsiveness to vibrations of a workpiece and a cutting tool. This damping device for machine tool comprises: a devi...
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JP3972155B2 |
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JP2007218418A |
To provide an active liquid-sealed vibration control device excellent in fixing workability of a movable element of an actuator and a vibration plate and to solve the problem that movement of the movable element is inhibited. The active ...
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JP2007196686A |
To reduce unfavorable mechanical vibrations called disturbances in at least one shaft revolving approximately at a constant speed or in the virtual machine shaft of the machine. At least upon one of the discontinuous frequency components...
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JP3952584B2 |
To simplify the structure of a control means for generating an electric signal for controlling and to reduce costs in an active vibration control device for providing an active vibration control effect by controlling the vibration applic...
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JP3946046B2 |
To realize vibration damping control for reducing the vibration of a machine without modeling an object to be controlled, or limiting the moving time of the object to be controlled. This vibration damping control method and device is pro...
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JP3943670B2 |
To attain active vibrational control, without supplying energy from the outside part arranging each DC motor at an upper spring and a lower spring, adding vibration to the lower spring as disturbance, and operating the vibration proof th...
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JP3936856B2 |
To reduce any undesired vibration called disturbance in at least one shaft rotating at an almost fixed speed, or the virtual mechanical shaft of a machine. At least one substantially harmonic moment 14 with the same frequency having spec...
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JP2007515697A |
An output force from a system (10) comprising a damper (22) and a power drive (20) is controlled using feedback (34) from the output of the damper (22) relative to the input to the damper (22). By adopting a damper (22) with a variable d...
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JP3930262B2 |
To suppress the resonance of a device, equipped with a movable part, due to a shock in acceleration or deceleration. The numerical controller is equipped with a vibration detection part 7 which detects the vibration of the device equippe...
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JP3924026B2 |
To provide a vibration structure which can simply control the natural frequency of a vibration structure. A vibration structure is composed of a spring having one end connected to a support end 23, and an inertia body 21 adapted to vibra...
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JP3920857B2 |
To provide a mechanical resonance compensation device and its method using an adaptive notch filter. This device for removing a resonance frequency of a system includes: a vibration signal generator for generating a vibration signal for ...
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JP3919560B2 |
To compose a high position control system even against a controlled object with low rigidity. A measuring apparatus 2 is provided for measuring elastic vibration of the controlled object 1, a driving part 3 is provided for applying force...
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JP3902942B2 |
To make an natural vibration mode of a rigid motion of a vibration-free table invariable even when the rigidity of skyhook is applied to the vibration-free table by a feedback loop. Deviation signals Ex, Ey, Ez, Eθx, Eθy, Eθz are resp...
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JP3903380B2 |
To enhance reliability by reducing sensors which may cause trouble, and to make a control device inexpensive by simplifying the control. This base isolation device reduces vibration of a wheelchair 2 mounted on an automobile. The device ...
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JP3890673B2 |
To provide the self-oscillation type vibration device which can reduce driving noise in a stationary state while always having startup characteristics even when an amplitude command value is optionally varied. An output signal of vibrati...
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JP3890487B2 |
To provide an apparatus and method for controlling an oscillator for stably continuing drive an oscillator at the resonance frequency of oscillator. In this controller, a microcomputer system 3 outputs a start pulse signal via a power co...
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JP3890672B2 |
To provide the self-oscillation type vibration device which can vibrate always with a desired amplitude value in a stationary state even if a vibration system as a load varies in mass, damping factor, spring constant, etc. An output sign...
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JP3887873B2 |
To enhance vibration damping efficiency by reciprocating a mass body with a neutral point as a reference point at all times by controlling a mass body with making a displacement as a factor while the displacement output of the mass body ...
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JP3887138B2 |
To develop an amplitude-increased vibration control device having compactness in a total unit of the device to settle large shaking of long wavelength in a short time. This device is characterized by constituting it with a mass unit 2 mo...
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JP2007502095A |
Control arrangement for and method of controlling a plurality of Lorenz motors ( 1, 2 ) actuating a payload ( 4 ) where the payload has a center of gravity ( 12 ). Height signals (z1, z2) are received from sensors sensing heights of said...
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JP3876084B2 |
To provide a vibrating table capable of comparatively simply realizing improvement of capability of a vibrating table without adding any means to conventional vibrating table control system. This active vibrating table includes a vibrati...
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JP3867869B2 |
To provide a device for preventing vibration of driving system for vehicle with the simple structure at a low cost. This device is provided with an actuator, which is provided so as to give the displacing force in the direction at a righ...
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JP2007004808A |
To provide a vibration control method for damping unnecessary vibration to reduce time delay and phase lag between an input signal and output signal of the control device with simple structure.An algorith is executed to an input control ...
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JP2006336736A |
To provide an active vibration-isolating system 1 for reliably detecting a nonoperation irregularity of a vibration generator 17, while cutting down on costs.The active vibration-isolating system 1 comprises an adaptive control part 15, ...
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JP3856676B2 |
To smooth operations related to execution of a method for active elimination of vibration of feed-forward system adding a control vibration in 180° out of phase with a vibration transferred from a base to a base-plate 10 by detecting ac...
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JP3842643B2 |
To control failures such as divergence and overcurrent occurring in a system to be controlled with a simple structure and a low cost in a short time even when a range wherein the adaptive control is securely performed is exceeded due to ...
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JP3841450B2 |
PURPOSE: To provide an improved active resonant force generator capable of reducing vibrations caused by external disturbance and accommodating variations in the external disturbance frequency. CONSTITUTION: A force generator 20 is adapt...
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JP2006283786A |
To solve problems in a conventional vibration suppressing device for carried object wherein since the carried object is a part of a carrying means and not a carried object and a control system is formed without considering the energy of ...
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JP2006522891A |
In a device for attenuating pressure oscillations in a hydraulic line, wherein an actuator for generating pressure pulses in the hydraulic line is arranged between a pressure source and a consumer, a control apparatus is provided for act...
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JP3829408B2 |
To abate vibration at the body side by offsetting the vibration to be transmitted to a car body from a power unit through an active engine mount, to some extent by means of active bearing power. Whether a car velocity V is less than the ...
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JP3823401B2 |
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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JP3823397B2 |
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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