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JP3503087 |
PURPOSE: To provide a vibration reproducer which requires no large-scale apparatus and complicated program, uses a simple vibration test machine and further reproduces a waveform nearly close to a preset waveform. CONSTITUTION: An excita...
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JP3499132 |
To measure displacement even at a location where an acceleration sensor cannot be mounted directly by mounting the acceleration sensor to an inspection target, while being separated by a specific distance and in the same posture and dete...
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JP3498594 |
To make accurately measurable tension by providing a tension- measuring mechanism for obtaining the tension of a stripe from a vibration frequency spectrum that is measured by spraying air to the stripe of an aperture grill for vibration...
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JP2003344214 |
To store and transfer a dummy in a form wherein an under face of a shoulder part in the dummy is prevented from being applied with a load, to store and transfer the dummy in a form wherein the dummy is brought into contact with a device ...
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JP2003344213 |
To quickly and objectively determine residual aseismatic performance of a building after an earthquake occurs, to properly manage the damaged building, to reduce a secondary disaster against an aftershock, and to reduce the number of an ...
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JP2003337079 |
To provide an exciter system that is less affected by noise when generating low vibration for inspecting vibration.In the electrodynamic exciter system 100, flux density in a magnetic field is reduced to keep exciting force at a moving c...
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JP3495442 |
PURPOSE: To obtain an electrokinetic vibration test machine in which the shaking force is prevented from decreasing even when power is fed to a driving coil in high frequency region by increasing the flux density in the gap between the o...
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JP3495595 |
To make a response waveform caused to occur in the vibrating table of a vibrating table system coincide with a target waveform in a short time. The acceleration of a vibrating table 1 on which a material to be tested 2 is placed, is dete...
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JP3495594 |
To obtain on table observation waves of performance equivalent to the case of one vibrating table by a method in which when vibrating tables are connected through a specimen and vibrated the transmission characteristics of the whole coup...
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JP2003329539 |
To predict and create a crash waveform at the time of a vehicle crash on the other condition based on a crash test using an actual vehicle on a predetermined condition.The crash waveform at a first predetermined speed of the actual vehic...
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JP2003329538 |
To accurately implement a crash test by using a vehicle crash test apparatus and method therefor without directly crashing a vehicle against a wall, etc.A moving carriage 14 for loading the vehicle 10 is movably supported along guide rai...
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JP2003325707 |
To accurately evaluate hitting sound of a golf club head with a slight modification by design change when the hitting sound of the golf club head is evaluated.An oscillating wave is sampled when a hitting face of the golf club head to be...
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JP2003325708 |
To provide an endurance test apparatus for a golf club head to automatically carry out an endurance test with requiring by an observer to always stays at a test site for visual examination and without stop of the test device, provide a m...
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JP3491421 |
To provide an actuator system excellent in the safety precaution by feedback from not only an actuator but also an object to which the actuator acts. In an actuator system composed of an actuator 1, a controller 5 and a servo system 6 as...
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JP2003322585 |
To measure microtremors of buildings excited by wind force, traffic vibrations, or the like, to identify the vibration characteristics of a target building by extracting only vibration components on the whole of the building included in ...
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JP2003322586 |
To provide a train running load simulating exciter capable of preferably executing a test for comprehending the frequency characteristics of a ground side system having a test rail track or an accelerated test for simulating a multitude ...
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JP2003315145 |
To improve accuracy of vibration analysis of a spindle motor for a hard disk drive and enhance measurement efficiency.A spindle motor is used as a vibrator required when conducting a vibration characteristic measurement. Specifically, U ...
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JP2003315202 |
To simply apply vibrations at a plurality of positions of a bridge and measure them without a troublesome reinstall.A self-advancing vibration generator 1 having an elevating vibrator 5 in the lower part of a car body is moved up to a me...
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JP2003315205 |
To detect the collision of a piston to a nonmovable portion such as a cylinder, etc., without using a position sensor.A drive system is provided with a current detecting portion 51 for detecting a driving current to a motor 65, and a col...
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JP2003315315 |
To provide a device for measuring vibration damping capacity when a load, especially a compression load is applied.The device for measuring vibration damping capacity includes a load cell fixed at a trestle frame for applying a compresse...
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JP2003315203 |
To reduce the size of an exciter.The exciter 10 is provided with an exciting means 20 which has a plane portion 21 divided with a cross-shaped groove portion 26 into four partitioned parts 22, 23, 24, 25 set into different polarities int...
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JP2003315204 |
To provide a method for determining the degree of damage of a structure by earthquake by utilizing a tremor measurement that can precisely locate a damaged spot and evaluate the degree of the damage of a rigid-frame high bridge including...
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JP3488848 |
To apply an equivalent linear analysis method to a phenomenon quickly varying a physical property. When an analytical procedure starts, a preliminary analysis of a ground is conducted. When the preliminary analysis is finished, liquefact...
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JP2003294574 |
To provide a building diagnosis device and a strength diagnosis method for a building capable of grasping a damage condition of the building.In this building diagnosis device 11 arranged inside the building 1, acceleration sensors 21a an...
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JP2003287475 |
To provide a shaking table capable of sufficiently generating relative displacements which have the possibility of occurring in a fault, irregular ground, etc., and other relative displacements and providing the relative displacements fo...
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JP2003287460 |
To provide an improved measuring method for a floor impact sound whose measurement corresponding to an actual measurement is performed simply and in a short time.An impact is given to a floor part, a plurality of octave bands in the floo...
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JP2003278171 |
To predict the residual settlement and residual horizontal deformation of the ground where liquefaction phenomenon is caused by earthquake.The earth in situ is sampled from the ground (stratums B-D) to form specimens as element test laye...
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JP2003270081 |
To prevent the occurrence of cracks due to fatigue breakdown from a portion other than a blade section that is a rating section by strongly performing cantilever support and fixation of a turbine moving blade to a tool-chucking section t...
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JP2003270080 |
To make a distributed displacement able to be loaded in a specimen during the course of a hybrid test during which excitation tests are performed by means of exciters, by loading a part of a structure in a computer by numerically modelin...
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JP2003270082 |
To provide a new performance evaluation apparatus for damping apparatus for quickly and accurately measuring damping performance of a damping apparatus.A hammer member 12 that is dropped by a gravity action is made to trike directly or i...
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JP2003262571 |
To measure two-dimensional or three-dimensional extensions such as development and diffusion of local liquefaction occurring at a part of a ground to an earth's surface in a simulation of earthquake in a laboratory test.The method of mea...
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JP2003256404 |
To provide a method of easily and accurately diagnosing earthquake- proof of a timber building and to provide a diagnostic system applying the method.In this earthquake-proof diagnostic system, vibration meters are mounted on an uppermos...
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JP2003247908 |
To increase precision of a vehicle collision test and perform the preparation for the vehicle collision test easily by releasing, for example, toe-in of left and right travelling carriers attached instead of a wheel by an alignment relea...
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JP3468913 |
PURPOSE: To make it possible to provide a table as the large table as required even for the vibration test of a large structure with the relatively light-weight construction by moving a plurality of all vibrating tables in synchronizatio...
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JP3469136 |
To provide a waveform control device capable of correcting a compensation wave every moment with an inexpensive formation. This device is equipped with an operation means 24 for operating every moment the frequency spectrum of a higher h...
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JP3469139 |
To suppress and reduce the cross talk of a table. This cross talk reducing device comprises a foundation 4, a vibration exciter 2, a table 1 supported by the vibration exciter 2 and receiving vibration force from the vibration exciter 2,...
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JP3468991 |
To provide a dispersion and integrated type vibrating table which is comparatively lightweight structure, can be provided for a vibration test of a large-sized structure as a large table according to need, is easy to handle, and has high...
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JP3466461 |
To adequately judge whether deformation occurred in crash side of a vehicle by analyzing frequency component contained in the change in acceleration caused in vehicle body part by crash in a past specific time. Detected are an accelerati...
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JP2003240763 |
To provide a nondestructive inspecting method and an apparatus for artificial structure for nondestructively inspecting an artificial structure such as a tunnel inner wall made of a concrete by a simple method without the need for striki...
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JP2003240671 |
To evaluate the earthquake protection of the piping not statistically or stochastically, but on the basis of concrete dynamic numerical values accurately indicating the earthquake-proof strength of the piping.The piping network is divide...
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JP2003240672 |
To accurately evaluate the complex vibrational characteristic in actually using a racket, that is, the complex vibrational characteristic of the racket including various vibrational modes.The impact equal to that in actual hitting, is ap...
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JP2003240673 |
To accurately apply the rotational vibration of a large rotating range to a device under test with respect to a rotational vibration testing machine.This rotational vibration testing machine for testing the rotational vibration character...
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JP2003232696 |
To provide a floor impulsive sound measuring rubber ball capable of stably measuring a floor impulsive sound by preventing a characteristic from being influenced by an ambient temperature, and preventing the occurrence of a change by adh...
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JP2003227774 |
To provide a vibration testing system which can be applied without the possibilities of deterioration and breakage of an object to be tested, and also without degradation in quality in the parts of an actual machine; can be applied to an...
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JP2003222569 |
To easily disengage an auxiliary traction wire from a wire engagement member when a test vehicle is released from a traction means at a location near a barrier as in the case of an off-set collision test or when the vehicle is released f...
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JP2003222568 |
To eliminate inhibitors against travelling test vehicles for improvement on collision test accuracy by releasing a claw-provided wire connecting member by a release mechanism for the disengagement of the member from the traction gear upo...
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JP2003222566 |
To provide a structural damage estimation system and program for highly precisely estimating the position and degree of quake-induced damage on a structure immediately after an earthquake.The structural damage estimation system is constr...
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JP2003222567 |
To provide a vibration testing device particularly suitable for testing step counting accuracy of a pedometer.On the rear side of a vibration platform 12 for mounting a pedometer, a motion transmitting element 19 is vertically movably fi...
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JP3456965 |
To provide inspection method and device for accurately grasping the presence or the absence, the position, and the size of a defect in a structure, regardless of the experience and knowledge of an inspection engineer. Shock is applied to...
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JP2003207412 |
To provide a head skin for an impactor head capable of common use in a pedestrian protection test for three kinds of children's ISO, adult's ISO and EEVC.The head skin constitutes an impactor head for pedestrian protection test, which is...
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