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JP2008261888 |
To provide a method of conducting crush tests using a carriage which can reproduce actual decelerating curves very precisely, and furthermore, which is low in cost and prevents waste of time.The method involves simulating the deceleratio...
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JP2008246413 |
To provide an advantageous shaking device on generating large shaking power over the broad range of frequency.The shaking device 10 is provided with a base frame 12, a bearing part 14, a lever 16, an actuator 18, a weight 20, an attachme...
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JP2008249610 |
To provide a method for estimating a dynamic characteristic of a suspension apparatus for a railroad vehicle component which automatically generates a high-accuracy response estimation model from input/output data of the existing vehicle...
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JP2008241522 |
To provide a technique for determining whether a rigidity value can be calculated objectively, and also to provide a technique for calculating the rigidity value.A rigidity value calculation apparatus comprises: an inputting means 12 for...
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JP2008233075 |
To improve the reproducibility of a target waveform signal by compensating for the reactive force of a specific frequency component received from a sample, in a vibration-testing apparatus that conducts shaking test on a structure.A vibr...
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JP2008233016 |
To provide evaluation system 2 which can correctly evaluate shock absorption of buffer for human bodies 4.This evaluation system 2 comprises hammer 6 which gives the buffer for human bodies 4 a shock, and measurement machine 12 which can...
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JP2008233056 |
To efficiently perform the measurement of a repulsive force and preliminary excitation of a buffer.A holding device 7 which holds the external thread section 4 of a rod 3 end of the buffer 2, and a shaker 8 which applies vibration to the...
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JP2008232708 |
To provide a structure deterioration diagnosis method also for coping with deterioration of a structure caused by its local corrosion/thickness diminution, and allowing simple, constructive, and quantitative evaluation to be made even wi...
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JP2008224608 |
To provide a control method of oscillating intensity which enables control of vibration displacement by adjusting affects from specific mode, thereby controlling oscillating intensity.The control method controls oscillating intensity def...
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JP2008216224 |
To provide a dummy for collision tests capable of precisely measuring pressure distribution, contact force, and the like.The dummy for collision tests is used suitably for a collision test, or the like in a vehicle. Concretely speaking, ...
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JP2008216052 |
To solve the problem wherein a conventional oscillator for failure analysis often requires much time for specifying a location of poor contact because from failure occurred when a device 5 to be analyzed is vibrated as a whole with the e...
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JP2008203224 |
To provide a diagnostic system and diagnostic technique of concrete structure capable of attaching an oscillator easily to diagnose a concrete structure.The diagnostic system includes a magnetic substance sheet member adhered to a concre...
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JP2008190876 |
To provide an impact test apparatus that enables continuous hammering.In the impact test apparatus 10, having a support 12 provided on a substrate 11 and a pendulum arm 22 supported on the support 12, and having an impact piece 23 provid...
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JP2008185345 |
To measure a property of a measuring object nondestructively by three-point supporting.This vibration measuring method includes the first process for applying a sound wave vibration to the measuring object by an excitation signal generat...
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JP2008175777 |
To solve the problem that a separate device for measuring the center of gravity or the like is required in a conventional vehicle crash test apparatus.The vehicle crash simulator system includes: a pitching table on which the body to be ...
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JP2008175702 |
To provide an exciter of a slide mass type that employs a new driving device, is decomposed and simplified, and is easily carried.The exciter of the slide mass type comprises a hollow box body 2, a movable body 3 having many spindles 8 s...
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JP2008157864 |
To provide a technology on a small-sized excitation device capable of applying low-frequency vibration to a structure, and adjusting easily an amplitude.This device is equipped with a motor 10 as the first output means for outputting the...
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JP2008151521 |
To provide a shaking system capable of compensation for influence of the reaction force of a test sample without requiring addition of an element leading to upsizing of the system and, further, capable of real-time compensation for the r...
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JP2008151643 |
To convert easily and accurately dynamic rigidity showing a relation between an external force for vibrating an object and a behavior of the object by a frequency domain into an impulse response showing the relation by a time domain from...
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JP2008151560 |
To estimate simply and accurately a vibration characteristic of an object architecture.This vibration characteristic estimation method, which is a vibration characteristic estimation method for estimating a vibration characteristic of a ...
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JP2008139090 |
To enable such the state that the velocity of a test vehicle does not reach a target velocity due to a mechanical wear when being decoupled, to be detected beforehand.A controller 23 applies current to a DC motor 13 which drives a rope w...
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JP2008128665 |
To provide a vibration test system capable of exciting simultaneously in each direction of xyz-axes of a test body only by a vibration test in one direction, and exciting to acquire desired accelerations in each direction of the xyz-axes...
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JP2008122321 |
To provide a shear soil tank of simple structure allowing excitation along a plurality of directions.The shear soil tank for a liquefaction test is constituted to excite each soil tank frame 3 along the plurality of horizontal directions...
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JP2008122155 |
To provide a defect detection method and device for performing defect inspection in the course of conveying a detecting object.This defect detection device 10 is equipped with: a handling robot 12 with its arm 14 provided with a holding ...
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JP2008116333 |
To provide a measuring method and evaluation method of vibration for specifying a part in which a vibration removal measure is necessary by establishing the evaluation method combining a reproduction test and vibration magnification meas...
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JP2008107153 |
To provide a vehicle collision simulation technology which can calculate a chest deflection amount with high precision using a simple dynamic model.The vehicle collision simulation method expresses mathematically a dynamic model of a dum...
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JP2008102127 |
To expand an oscillatable frequency band range in a vibration testing device for improving performance of a hybrid vibration test.This vibration testing device 100 is provided with a waveform generation device 11, a vibrator 15, a test s...
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JP2008102036 |
To solve the problem wherein, when a vibration device using a conventional magnetostrictor is applied to a testing device, vibration can be applied only to one-axis direction in three-axis directions, and thereby it is unsuitable to be u...
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JP2008096404 |
To provide a pseudo-combustion vibrator which has proper response characteristics, which can detect vibration force by contacted part to an engine, having a small vibration part, and capable of vibration not only a piston top surface but...
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JP2008082936 |
To reduce manufacturing and operating costs by reducing a mass of a movable part in a vibration testing system 10 and thus a required excitation force.Two vertical vibration generators 12 are suspended from a ceiling slab 11, and a vibra...
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JP2008070820 |
To provide an apparatus for reproducing collected sound, which grasps eigentone extracted from an arbitrary object as a matter with entertainment value for enjoyment.The apparatus comprises: a collected sound reproducer 2 main body keepi...
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JP2008070302 |
To analyze the vibration transmission characteristic, in response to the operating state of an actual engine.This vibration transmission characteristics analyzer for an engine block comprises an exciting device 130, that is connected to ...
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JP2008064599 |
To solve the following problems: an excitation device which allows a hammer to fall freely, and blocks its falling-direction movement after the hammer hits a test object and is raised by its reaction, is unsuitable as a testing device fo...
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JP2008064730 |
To evaluate a holder, under conditions that are similar to those of an actual holder, in an apparatus for that evaluates and tests the strength of the holder.By having a shaft 3, on which an inner wheel 2a of a ball bearing 2 is mounted,...
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JP2008058078 |
To provide a vibration test for intermittently and repetitively reproducing vibration to occur when a train passes over a rail joint so as to evaluate the durability of a rail bond junction part at the rail joint in a short period of tim...
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JP2008058042 |
To supply gravels smoothly.A gravel guiding route 3 is pivoted by a pivotal part 3b near its upper end, and can be rocked around the pivotal part 3b. Meanwhile, since the furthermore upper end side than the center of gravity of a bottom ...
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JP2008039510 |
To enable a vibration characteristic of a structure to be evaluated simply and to improve precision of evaluating the vibration characteristic of the structure.A vibration measuring apparatus 1 is provided with: a structure support 4 for...
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JP2008039686 |
To provide a collision testing device capable of verifying operation of a collision damage reducing device.Passage of a test car 1 is detected by two pairs of laser sensors 21, 22 and laser reflection plates 31, 32, and the traveling spe...
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JP2008039534 |
To provide a method for evaluating the soundness of a foundation structure based on the vibration data by excitation of a superstructure.As shown in the figure, in this method, for the structure consisting of the superstructure 1 and the...
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JP2008039478 |
To provide a tester of object detecting means and a testing vehicle for reducing a cost for testing the object detecting means, and improving the testing precision.The tester 10 is provided with: an attaching section 12 for attaching the...
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JP2008026062 |
To provide a vibration transmission characteristic analyzer for an engine block capable of reducing cost required for the vibration transmission characteristic analyzer without requiring high connection position accuracy in connection be...
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JP2008008855 |
To perform time history response analysis with high-accuracy in which the frequency dependence and nonlinear strain dependence are each taken into account for a first object, having a relation between external force vibrating the object ...
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JP2008003043 |
To provide a low-cost apparatus for detecting damages capable of determining the presence of damages of buildings, using simple computations.A system for detecting damages 10 detects damages to a structure 11 with a plurality of terminal...
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JP2008002986 |
To provide an apparatus for detection of damages capable of determining the presence of damage of buildings by simple computations and of being provided at a moderate price.The damage detection apparatus 20 is provided with an accelerati...
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JP2007187465 |
To provide a vibration testing machine capable of oscillating objects to be tested at a high frequency by the drive of linearly extending and contracting fluid actuators.The vibration testing machine is provided with: a table 2 for mount...
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JP2007171111 |
To provide a rotational vibration generator capable of obtaining a great rotational force, and capable of restraining vibration other than a rotational component to acquire easily an accurate data.This vibration generator is constituted ...
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JP2007170891 |
To provide a unit by calculating, the phase and amplitude of a response wave, when inputting sweep waves.A sweep wave generator 1 produces sample data fsin on the sweep wave, sample data fcos of a waveform different from the sweep wave i...
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JP2007170904 |
To provide a method for evaluating more precisely and simply than before the equivalent sharing velocity of the improved foundation corresponding to improvement geometry.The method for evaluating seismic response of building is performed...
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JP2007163194 |
To provide an inspection auxiliary tool 2 convenient for inspection of a building or the like.This inspection auxiliary tool 2 is equipped with a connection part 4 and a display 6. The connection part 4 has a ring shape and comprises a m...
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JP2007147390 |
To provide an evaluation device of an on-vehicle collision mitigation system capable of repeated evaluation by suppressing each damage of a vehicle loaded with the collision mitigation system and a collision object.A target member 20 wit...
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