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JP2023101296A |
To appropriately identify the wave propagation characteristics of a long structure by using an on-site test.An identification method for the wave propagation characteristics of a long structure includes exciting a plurality of excitation...
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JP7310641B2 |
A static matrix model in a viscoelastic body is generated for each environmental temperature condition. A generalized Maxwell model is generated for each environmental temperature condition using a matrix of the static matrix model. A sp...
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JP7309288B2 |
To provide a vibration damper test device capable of inputting displacement of an actuator into a vibration damper while amplifying it while keeping an amplification factor input to the vibration damper constant, and performing test sati...
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JP7309289B2 |
To provide a vibration damper testing device with which, while maintaining an amplification factor inputted to a vibration damper constant, it is possible to input the amplification factor to the vibration damper while amplifying the dis...
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JP7307671B2 |
To provide a vibration testing system tested against a target response spectrum capable of generating a time history waveform of simulated ground motion that falls within the vibration limit range of an exciter.The vibration testing syst...
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JP7306926B2 |
To provide a vibration testing device capable of applying vibration to a test piece according to a test condition.A vibration testing device 1 comprises: a vibration excitor E which applies vibration to a test piece D; and a controller C...
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JP7306916B2 |
To provide an abnormality detection method for a test device capable of accurately detecting an abnormality in the test device, and an abnormality detection system for the test device.An abnormality detection method for a test device T i...
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JP2023096691A |
To provide a dynamic test device that eliminates instability of control caused in controlling a static load applied by an air spring.A dynamic test device oscillating a test body includes a vibration unit that includes a holding unit cap...
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JP2023096018A |
To provide a test device capable of giving impact with a controlled waveform to a specimen.A test device includes: a table to which a test piece is attached and that is movable in a predetermined direction; a drive module capable of gene...
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JP2023528089A |
A method of detecting defects in a mechanical system comprising the steps of: a. providing a mechanical system; b. , optionally broadband, exposing to vibration; c. detecting an output vibration spectrum using a vibration detection devic...
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JP7297209B2 |
To provide a numerical value indicating how much each of a plurality of positions of a structure quakes before the occurrence of earthquake and allow earthquake countermeasures necessary for the structure to be appropriately selected.A q...
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JP2023085577A |
To provide a diagnostic system capable of more accurately executing diagnostic processing.A diagnostic system 1 includes: a vibrator 100 for vibrating a diagnostic target device; a vibration sensor 102 for detecting vibration of the diag...
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JP2023078015A |
To provide a characteristic measuring device capable of maintaining a predetermined preload and smoothly switching a floating mass state and a fixed state.In a characteristic measuring device 100, a support part 120 includes an air sprin...
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JP7287336B2 |
An optimization analysis method for joining locations of an automotive body according to the present invention obtains optimal locations of additional joining points or joining portions for use in joining parts assemblies together in an ...
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JP7285598B2 |
To provide a test device capable of giving a waveform-controlled impact to a test piece.A test device includes: a table to which a test piece is attached and which can be moved in a predetermined direction; drive modules capable of gener...
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JP7281571B1 |
A method for detecting deviations in dynamic characteristics of a feed system. The method includes vibrating the feed system in a monitoring mode to detect vibration of a sub-component of a sensed member of the feed system to generate a ...
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JP2023072461A |
To devise a shape of a punch so as to be capable of simply generating an axial collapse and a bending buckling for an evaluation component.A punch 12 applies push-in a load in a longer direction of an evaluation component 1, when there i...
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JP2023070383A |
To provide an evaluation device capable of evaluating a blur correction performance of an imaging apparatus based on a determination of whether or not an inputted oscillation waveform is different from a vibration waveform of the actuall...
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JP7276299B2 |
To provide a front collision testing method for a vehicle side structure that performs a front collision test of a vehicle side structure without using a test vehicle.There is provided a method for colliding a collision body 11 against a...
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JP7276611B2 |
A sway estimation system is provided which can accurately estimate the sway of a building while keeping the number of sensors down. This sway estimation system (1) is provided with multiple vibration sensors (21) and a building sway esti...
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JP2023519718A |
A neck assembly for use in an anthropomorphic test apparatus, the neck assembly comprising a first mount positioned at a first end of the neck assembly and adapted to be connected to a support structure; a second mount positioned at the ...
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JP7270427B2 |
To provide a building health verification system, a building health verification method, and a method of manufacturing a building health verification system, which are capable of further improving reliability.A building health verificati...
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JP2023060198A |
To provide a building soundness verification system, a method for verifying a building soundness, and a method for manufacturing a building soundness verification system that can further increase the reliability.The building soundness ve...
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JP7261271B2 |
Provided is a vibration test support network system in which a plurality of vibration test devices are connected using a network, and which supports maintenance of the vibration test devices and stabilization of vibration testing accurac...
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JP7261270B2 |
Provided is a vibration test device capable of accurately performing a self diagnosis relating to a state of the vibration test device, including failure determination, failure prediction, and performance limit determination of the vibra...
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JP7258682B2 |
To measure acceleration due to vibration brought to a plant by an externally derived load with few measurement means, and furthermore to accurately evaluate the soundness of the plant.A plant evaluation system comprises: an acceleration ...
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JP2023051550A |
To provide an excitation device that can hold a sliding shaft in parallel even if an applied load to an excitation object is gone and can perform stable excitation.In an excitation device that has a sliding shaft for receiving a load by ...
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JP2023050789A |
To suppress generation of damages in an emission body.The method for a chipping test uses a chipping test device including an elastic cylindrical body which is elastic and extends between a base end part and a top end part and emitting a...
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JP2023051539A |
To provide a vehicle excitation device for effectively transmitting excitation force by a first shaft to a wheel in various excitation frequency regions in an excitation test.In a vehicle excitation device 1 that pinches wheels W of a ve...
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JP2023049213A |
To provide an abnormal sound determination method, an abnormal sound determination program, and an abnormal sound determination system, capable of being used for training an inspection skill.An abnormal sound determination method include...
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JP7253231B2 |
To provide an evaluation method of an earthquake-proof property of a house, the method having evaluation accuracy increased by using ground on which the house is built as an additional evaluation element.An evaluation method of an earthq...
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JP7252863B2 |
To provide an inspection device irregularity part evaluation system and inspection device irregularity part evaluation method that can make an estimation of an irregularity part of an inspection device easy.An irregularity part evaluatio...
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JP7252524B1 |
To provide a collision performance evaluation test apparatus for realizing a part collision test that satisfactorily reproduces the state of an actual vehicle body collision. The actual vehicle physical quantity analysis process to obtai...
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JP7251438B2 |
To enable stable detection of temperature of a nut even if operation is performed over a long period of time.A vibration exciter 2 includes: a motor 11; a ball screw 13 rotated by driving of the motor 11; a nut 14 which is screwed with t...
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JP7250395B1 |
A method for reducing vibration noise in a test frequency range. A vibration excitation apparatus according to an embodiment of the present invention includes a vibration table, a first actuator that vibrates the vibration table in a fir...
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JP2023046096A |
To provide a vehicle collision testing apparatus which can make a test vehicle accurately collide with a collision object and properly perform imaging from the inside of a pit.A vehicle collision testing apparatus according to the presen...
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JP7249806B2 |
A sled 10 comprises: a sled body 11 that can have, loaded thereon, a table 16 including a magnetic material and having a test piece disposed thereon and can move along rails disposed in a prescribed direction along a horizontal plane; an...
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JP7249243B2 |
To provide a damper testing data error estimation system and damper testing data error estimation method that enable an estimation of an error included in damper testing data.A damper testing data error estimation system is an error esti...
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JP2023044402A |
To provide a diagnostic method, a diagnostic apparatus and a diagnostic program that are capable of recognizing a state of a mechanical structure.According to one embodiment, a diagnostic method includes: changing a position of a mechani...
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JP7246593B2 |
To allow for easily changing frequency components of an excitation force.An excitation force is input to a target structure 100 by shooting a projectile 2 at the target structure 100.SELECTED DRAWING: Figure 2
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JP7246826B2 |
To easily and appropriately determine whether a predetermined strength/displacement is satisfied even when weight of an apparatus stored in a storage rack and storage height are varied.A total weight of all apparatuses stored in a storag...
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JP7247237B2 |
A lumbar spine stretch limiter assembly for an anthropomorphic test device functions to limit the ultimate stretching of an elastic lumbar spine member during crash test simulations such as far side impact crash simulations. The lumbar s...
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JP2023511284A |
A testing machine 10, 10' comprises a base 12, at least one pair of struts 14 joined to the base 12, and a crosshead 16 joined to the struts 14 at a location remote from the base 12. As shown in FIG. At least one pair of sample holders 2...
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JP2023037321A |
To accurately evaluate a multi-degree-of-freedom system structure that receives different input vibrations or a single input vibration from a plurality of support points.A structure evaluation method performs structure evaluation of a mu...
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JP7240340B2 |
To provide a vibration test device capable of dealing with a test pattern composed of vibrations including frequencies from a low frequency to a high frequency.A vibration test device according to the present invention comprises: a vibra...
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JP2023033929A |
To provide a test device that can accurately predict the behavior of a test piece and use the predicted value to achieve a desired test piece response, that is, to adjust an amount (gain) of displacement and the phase, and to provide a m...
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JP2023032444A |
To provide a degree-of-damage display device, a degree-of-damage specification display system, and a program capable of easily displaying the degree of damage to a specific region on each floor in a building of a plurality of floors on a...
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JP2023030438A |
To provide a technology for diagnosing the noise of a traveling vehicle under various travel conditions.A method for diagnosing the noise of a traveling vehicle comprises the steps of: aggregating, to a server, a plurality of pieces of t...
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JP7234102B2 |
To provide plant evaluation technology with which it is possible to analyze vibrations brought to a plant by action of a mechanical shock and thereby specify the position on which the mechanical shock acted and accurately evaluate the so...
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JP2023025778A |
To realize an abnormality monitoring method of a bridge girder bearing portion and an abnormality monitoring system of a bridge girder bearing portion that monitor an abnormality of a bridge bearing portion by a quartz vibration type acc...
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