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JP2002515958A |
The invention concerns a drive system with a drive motor (1), especially the internal combustion engine of a motor vehicle, an electric machine (4), which provides additional driving action, and at least one short-duty battery (11), whic...
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JP2002515962A |
The invention concerns a drive system with a drive motor (1), especially the internal combustion engine of a motor vehicle, an electric machine (4), which provides additional driving action, and at least one short-duty battery (11), whic...
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JP2002147454A |
To reduce vibration in a place separated by some extent from a magnetic bearing in a rotating machine with an active magnetic bearing device.This rotating machine with the active magnetic bearing device has a vibration sensor 27 installe...
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JP3281875B2 |
To provide a vibrating table waveform control apparatus and method capable of making a desired wave coincide with a reproduced wave through one excitation and being applicable to a vibration test in which the characteristic of a vibratin...
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JP3282302B2 |
PURPOSE: To provide a vibrator or vibration damping device of six degrees of freedom capable of accurately vibrating or in the X-, Y- and Z-axis direction of a surface plate and the Xθ, yθ- AND zθ-directions of a rotary shaft. CONSTIT...
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JP2002132356A |
To provide an active magnetic vibration controller of simple constitution using a minimum number of electromagnets so as to solve the problem that a conventional vibration base device having many devices arranged is frequently a very lar...
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JP3278069B2 |
PURPOSE: To automatically correct the deviation of a hydraulic actuator from a specific stand-by position by measuring and finding the deviation of the hydraulic actuator in a stand-by mode from the specific stand-by position as an offse...
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JP2002122179A |
To provide a vibration-free device which has less restriction related to disposition of component elements for composing the vibration-free device such as a positive actuator, which can be realized by a relatively simple controller (comp...
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JP3276214B2 |
PURPOSE: To reduce vibration of air inside a vehicle as well as vibration of a solid element of the vehicle by detecting the vibration of the solid element of the vehicle as well as the vibration of the air inside the vehicle, and direct...
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JP2002113420A |
To solve the strain of an excitation waveform in a controlling device for a shaker, in which a displacement feedback loop is constituted of an LVDT displacement sensor.In the controlling device for the shaker, in which the displacement a...
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JP3275449B2 |
PURPOSE: To enable noise reduction effect and vibration reduction effect to be obtained in wide frequency band, even if controllable frequency of a controlled sound source and a controlled vibration source is narrow. CONSTITUTION: A cran...
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JP2002108459A |
To solve the problem that the center frequency of a notch filter does not match a machine resonance frequency any more and machine resonance can not be suppressed in the case the machine resonance frequency changes by heat, etc., in the ...
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JP3270672B2 |
To exhibit damping force characteristics the same as specified by its target by adjusting the damping force of a damping force variable shock absorber by the use of a signal comparatively easy to be detected such as relative speeds and r...
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JP2002089620A |
To exert an effective vibration damping action even on a small vibration having a small relative amplitude between a vibration-damped object and a bed by controlling voltage application to an electro-viscous fluid and effectively damping...
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JP2002089619A |
To provide a control system that forms a vibration control loop of an active vibration resistant device not for each conventional mode of motion but for each mode of vibration, and establish a calculating method that shortly and precisel...
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JP3269223B2 |
PURPOSE: To eliminate the resonance of a vibration detector by setting the resonance frequency band of the detector and the resonance frequency band of the motor in separate bands. CONSTITUTION: An ultrasonic motor 5 is provided at a pho...
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JP3265715B2 |
PURPOSE: To prevent an increase in arithmetic load at the time of low-frequency vibration and high-frequency noise input and deterioration in control precision at the time of high-frequency vibration and high-frequency noise input withou...
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JP3265793B2 |
PURPOSE: To suppress that control is diffused and to execute stable vibration reduction control. CONSTITUTION: Necessary control force FREQ required for dissolving vibration is estimated based on the number of engine revolution (step 202...
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JP2002060041A |
To provide a method and apparatus for controlling a piezoelectric vibrating parts feeder capable of effecting accurate vibration by means of a simple arrangement.The apparatus includes a piezoelectric vibrator 16 which vibrates at a pred...
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JP2002048184A |
To provide an anti-vibration system which enables an enhancement of accuracy of measurement with measuring apparatus, without causing increase in equipment cost.Oscillation of a measuring apparatus is inputted from measuring apparatus si...
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JP3255449B2 |
PURPOSE: To achieve reduction of vibration and noise which corresonds to sensing of the vibration and noise by a driver and occupants in performing active control of vibration and noise of a vehicle using error scanning method. CONSTITUT...
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JP2002031187A |
To stably support a vibration resistant table so that a vibration resistant device is isolated from external vibration surely.This vibration resistant device is provided with a vibration resistant table 10, magnetic levitation devices 31...
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JP2002002542A |
To protect a distortion actuator 32 by preventing voltage his her than a predetermined value from being applied to the distortion actuator 32.When a vibration detected by a vibration detecting means 31 exceeds a certain value, a portion ...
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JP3244184B2 |
PURPOSE: To improve torsional vibration-proof performance and transient characteristics by employing disturbance torque estimated through an equivalent disturbance torque estimating mechanism in the configulation of an observer under low...
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JP2001355669A |
To provide a vibration resistant device of a simplified device construction preventing accumulation of steady deviations and showing a sufficient vibration control performance.A summation signal of an output from a first order low pass f...
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JP3240726B2 |
PURPOSE: To automatically adjust the carrying speed of a goods in an optimum condition, and stably carry or supply the goods to a machine. CONSTITUTION: Parts such as bolts are fed from a parts storing part 6 of a parts feeder 1 to a goo...
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JP3240757B2 |
PURPOSE: To make it possible to carry out a vibration test by compensating the response delay of an actuator. CONSTITUTION: A counterforce measuring means 8 is installed at an actuator drive part 7a and the counterforce to an actuator 7 ...
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JP2001524436A |
The control system of the present invention is particularly usable with extended vibration conveyors and permits the installation of a multiple of drive vibratory drive units comprised of one or more vibratroy modules. Each module compri...
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JP3235858B2 |
PURPOSE: To make the attachment of a detector to a vibrated object unnecessary and to secure the reliability of the subject controller by detecting the AC distortion caused by the driving AC voltage of the vibrated object and also contro...
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JP2001332477A |
To sufficiently isolate vibration even in a high-frequency threshold.This active vibration isolation device is equipped with an actuator that has an air spring for giving force to an object whose vibration is to be isolated, a pressure d...
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JP2001321902A |
To reduce striped defect on a cast slab by impressing moltensteel with an amplitude modulation magnetic field having vertical vibration of a mold and the same frequency signal wave to overcome the surface wave motion generated by the mol...
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JP3227944B2 |
PURPOSE: To decrease an error when a reference process signal required for the update arithmetic of an adaptive digital filter is calculated without causing any large increase in arithmetic load, etc. CONSTITUTION: A timer is cleared to ...
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JP3228224B2 |
To make a periodic variation (beat) state of a drive signal, etc., detectable without causing any great increase in arithmetic load. According to the amplitude of the drive signal, whether or not the drive signal periodically varies is d...
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JP3226956B2 |
PURPOSE: To reduce the generation of bending vibration of a car low cost and excellent control performance by arranging lateral vibration acceleration detectors to the vicinity of the two side ends of a car body, a vertical vibration acc...
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JP3227963B2 |
PURPOSE: To evade growth to the real divergence of control. CONSTITUTION: In the case that the period of vibration is judged to be constant in a step 201, and in addition, the possibility of the divergence of an adaptive digital filter i...
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JP3228153B2 |
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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JP2001304332A |
To provide an active vibration damping device, of a compact constitution capable of rapidly damping rotational vibration, such as pitching, rolling and yawing. This active vibration damping device is installed at a vibration isolating ta...
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JP3224489B2 |
PURPOSE: To permit the feed forward compensation provided for preventing swinging of a vibration-proof table to operate effectively by adding a timing pseudo differential signal for suppressing swinging of the vibration-proof table to th...
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JP3220418B2 |
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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JP3219198B2 |
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JP3217604B2 |
PURPOSE: To perform positioning with a high precision by generating an oscillation suppression control torque command based on a motion analysis model and feeding back this torque command to a motor torque command. CONSTITUTION: A machin...
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JP2001271871A |
To attain weight reduction and miniaturization. Air springs 64 and 65 are arranged on the upper and lower sides of an added control mass body 63. The air quantity of the air springs 64 is controlled by a servo valve 66a with a feedback s...
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JP2001271870A |
To provide a vibration damping device, capable of bringing out sufficient vibration suppressing performance. This active vibration damping device is provided with a support mechanism 2 for supporting a vibration damping table 1 for mount...
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JP3214902B2 |
PURPOSE: To generate a reference signal associated with the vibration of an engine from those other than an ignition pulse signal by providing a reference signal generation means which generates the reference signal based upon a signal d...
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JP3211406B2 |
PURPOSE: To suppress the generation of vibration during the stop of a robot arm by previously learning natural vibration of the robot arm when the robot arm is driven by a short distance through continuity of acceleration operation and d...
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JP3203821B2 |
PURPOSE: To improve vibration control performance and to facilitate assembly, in a mounting vibration control device for a motor, etc. CONSTITUTION: A vibration control device comprises insertion holes 6; a vibration isolating rubbers 2 ...
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JP3199617B2 |
To provide a damping operation method which never changes the cut-off angle frequency of a control system that is obtained as a damping operation result in comparison with the anglar frequency that was obtained before connection of a dam...
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JP3200367B2 |
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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JP2001221733A |
To provide a fine control mechanism providing a stable damping effect and permitting positioning at high speed in a short setting time.The residual vibration of a moving portion 12 is damped by a passive dynamic vibration reducer A havin...
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JP2001221282A |
To provide a vibration-resisting device which is relatively simple in constitution and capable of lowering a characteristic frequency of a vibration- resisting stand and enlarging damping.In this vibration-resisting device having a vibra...
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