-
公开(公告)号：US5737239A
公开(公告)日：1998-04-07
申请号：US597405
申请日：1996-02-08
CPC分类号： G01H13/00
摘要： A shaking test system for testing a structure including a shaking device for shaking the structure, measuring devices mounted on the shaking device for shaking the structure, external signal input device for inputting data indicative of external force for shaking the structure, as well as other calculating arrangements. The shaking test system permits the setting of a large time interval of a shaking test by converting natural modes of vibration expressed by a second-order differential equation, namely second-order lag system of a vibration differential equation into a first-order lag system or (O)th order lag system for short period mode.
摘要翻译： 一种用于测试结构的振动测试系统，包括用于摇动结构的振动装置，用于振动结构的安装在摇动装置上的测量装置，用于输入指示用于振动结构的外力的数据的外部信号输入装置，以及其他计算 安排 摇动测试系统允许通过将由二阶微分方程表示的自然振动模式（即振动微分方程的二阶滞后系统）转换成一阶滞后系统来设定振动测试的较大时间间隔，或 （O）阶滞后系统。
-
公开(公告)号：US06598480B2
公开(公告)日：2003-07-29
申请号：US09994863
申请日：2001-11-28
IPC分类号： G01M702
CPC分类号： G01M7/00
摘要： A main computer for performing numerical simulation and a sub-computer for controlling each shaking machine are provided. Data transfer between the main computer and sub-computer is performed by communications. The main computer is provided with a model substituting function of modeling a specimen to be shaken, a parameter modification function of sequentially modifying parameters of a model in accordance with the vibration test result, and an abnormality inspection function of judging an abnormality of each shaking system and if an abnormality is detected, substituting the measured value of a reaction force with an output of the model substituting function. It is possible to make an experiment of evaluating the strength and reliability of a massive structure, for example, relative to an earthquake and to make a vibration test at a high precision and with an economical cost.
摘要翻译： 提供用于执行数字模拟的主计算机和用于控制每个振动机的子计算机。 主计算机和子计算机之间的数据传输由通信进行。 主计算机具有对要振动的样本进行建模的模型替换功能，根据振动试验结果依次修改模型的参数的参数修改功能，以及判断每个抖动系统的异常的异常检查功能 并且如果检测到异常，则用模型替换函数的输出代替反作用力的测量值。 可以进行大型建筑物的强度和可靠性评估的实验，例如相对于地震，并以高精度和经济的成本进行振动试验。
-
公开(公告)号：US06427528B1
公开(公告)日：2002-08-06
申请号：US09019117
申请日：1998-02-05
申请人： Makoto Yamakado , Toshihiko Horiuchi , Takao Konno
发明人： Makoto Yamakado , Toshihiko Horiuchi , Takao Konno
IPC分类号： G01L528
CPC分类号： G01M17/045 , G01M17/0072 , G01M17/0074 , G01M17/065
摘要： Provided is a vehicle testing apparatus which involves load variation and alignment variation, for analyzing a maneuverability of a vehicle on flat belts or rollers adapted to be rotated together with wheels of the vehicle, and in particular, maneuver variation. Load variation caused by an inertia force and a gravitational force which are produced during actual running of the vehicle, and tire alignment variation caused by suspension strokes, are forcibly reproduced by forces produced by actuators or a gravitational force, thereby it is possible to evaluate a maneuverability of the vehicle in a condition substantially the same as that during actual running of the vehicle.
摘要翻译： 提供了一种车辆测试装置，其涉及负载变化和对准变化，用于分析适于与车辆的车轮一起旋转的平坦带或滚子上的车辆的机动性，特别是机动变化。 由车辆实际行驶期间产生的惯性力和重力造成的载荷变化以及由悬挂冲程引起的轮胎对准变化被强制地由致动器或重力产生的力再现，从而可以评估 在与车辆的实际运行情况基本相同的情况下车辆的机动性。
-
公开(公告)号：US20050155431A1
公开(公告)日：2005-07-21
申请号：US11022675
申请日：2004-12-28
申请人： Mayumi Fukuyama , Takao Konno , Kazuhiro Umekita , Yoshihiro Dozono , Toshihiko Horiuchi , Michiya Sakai , Yutaka Hagiwara , Keizo Ohtomo
发明人： Mayumi Fukuyama , Takao Konno , Kazuhiro Umekita , Yoshihiro Dozono , Toshihiko Horiuchi , Michiya Sakai , Yutaka Hagiwara , Keizo Ohtomo
CPC分类号： G01N29/4418 , G01N29/045 , G01N2291/02491
摘要： A vibration test system for structures comprises a vibration exciter that vibrates a real model portion, a load meter that measures a load, and a computer that receives a numerical model representing a numerical model portion. The computer includes a block that calculates a displacement, which is made in a predetermined time after completion of measurement, according to a load value and an external force value. A signal production block produces a command signal using as a target value the displacement calculated by the displacement calculation block. A step control block controls the displacement calculation block and signal production block so that they will act cyclically. The displacement calculation block uses an αOS method to time integrate a solution of a vibrational equation.
摘要翻译： 用于结构的振动测试系统包括振动实际模型部分的振动激励器，测量负载的负载计量器和接收表示数字模型部分的数值模型的计算机。 计算机包括根据负载值和外力值计算在完成测量之后的预定时间内的位移的块。 信号产生块产生使用由位移计算块计算的位移作为目标值的命令信号。 步进控制块控制位移计算块和信号产生块，使它们周期性地起作用。 位移计算块使用αOS方法来对振动方程的解进行时间积分。
-
公开(公告)号：US06575037B2
公开(公告)日：2003-06-10
申请号：US09911477
申请日：2001-07-25
申请人： Yasuyuki Momoi , Toshihiko Horiuchi , Kazuhiro Umekita , Masahiko Inoue , Takao Konno , Masaharu Sugano , Yuuji Tadano
发明人： Yasuyuki Momoi , Toshihiko Horiuchi , Kazuhiro Umekita , Masahiko Inoue , Takao Konno , Masaharu Sugano , Yuuji Tadano
IPC分类号： G01M702
摘要： The testing performs a vibration excitation testing of a part of the structure, performs a numerical calculus of vibration response of the other parts of the structure, and calculates the vibration response of a whole of the structure by combining these two methods. Testing includes calculating a position of a point of exciting force on the basis of vibration exciting, and calculating a reaction force on the basis of a load detected and the position of the point of exciting force. Then, a displacement of a numerical model is computed by using the reaction force calculated and a known external force, and calculating a vibration exciting machine displacement command value on the basis of the displacement. A drive drives the vibration exciting on the basis of an output thereof. Vibration excitation is performed in the translational direction as well as the rotational direction.
摘要翻译： 该测试对结构的一部分进行振动激励测试，对结构的其他部分进行振动响应的数值计算，并通过组合这两种方法来计算整个结构的振动响应。 测试包括基于振动激励来计算激励力点的位置，并且基于检测到的负载和激励力点的位置来计算反作用力。 然后，通过使用计算的反作用力和已知的外力来计算数值模型的位移，并且基于位移计算振动激振机械位移指令值。 驱动器基于其输出驱动振动激励。 在平移方向以及旋转方向进行振动激励。
-
公开(公告)号：US5942673A
公开(公告)日：1999-08-24
申请号：US863915
申请日：1997-05-27
IPC分类号： G01M17/007 , G01M17/04
CPC分类号： G01M17/007 , B60G2206/99
摘要： A vehicle testing system for simulating a vehicular motion and vehicular vibration caused thereby is provided to test a front or rear wheel section of a four-wheel vehicle. The testing system comprises a vehicle suspension system, a wheel attached thereto, a first actuator for exciting the wheel based on data concerning road and other conditions, and a dummy vehicle body linked to the suspension system and having a frame, a reaction measuring device linked to the frame and a second actuator for exciting the frame. When the wheel is excited corresponding to the data on road and other conditions, the suspension system and the dummy body vibrate. The reaction force generated by the suspension system is measured by the reaction measuring device. Using the measured value, the digital computer calculates vibrational response after an elapse of a predetermined time of a body numerical model and the like imaginary linked with the dummy body to excite and control the first actuator so that the vibrational response is made by the dummy body and the suspension system after the elapse of the predetermined time. Accordingly, it becomes possible to conduct a test similar to an actual car test by using a partial model composed of parts of an actual vehicle.
摘要翻译： 提供用于模拟由此引起的车辆运动和车辆振动的车辆测试系统以测试四轮车辆的前轮或后轮部分。 测试系统包括车辆悬挂系统，附接到其上的车轮，用于基于关于道路和其他条件的数据来激励车轮的第一致动器，以及连接到悬挂系统并具有框架的虚拟车体，连接了反作用测量装置 到框架和用于激励框架的第二致动器。 当根据道路等数据对车轮进行激励和其他条件时，悬挂系统和虚拟机体振动。 由反应测定装置测定悬浮体系产生的反作用力。 使用该测量值，数字计算机在经过与虚拟体相连的身体数值模型等的预定时间之后计算振动响应，以激励和控制第一致动器，使得由虚拟体进行振动响应 以及经过预定时间后的悬架系统。 因此，可以通过使用由实际车辆的部件构成的部分模型来进行与实际轿厢测试相似的测试。
-
公开(公告)号：US06763311B2
公开(公告)日：2004-07-13
申请号：US10034306
申请日：2002-01-03
IPC分类号： G01F1700
摘要： A calculating device and method provided for a shaking test apparatus for carrying out a shaking test on a structure by using a partial structure and a numerical model which is virtually connected to the partial structure. The calculating device includes a calculation part which identifies a vibration model corresponding to the partial structure on the basis of displacement and reaction force detected in response to shaking and which combines the vibration model and the numerical model with each other to construct a model of the overall system corresponding to the structure and calculates the shaking response of the overall system model.
摘要翻译： 一种用于振动测试装置的计算装置和方法，用于通过使用虚拟连接到部分结构的部分结构和数值模型对结构进行振动测试。 计算装置包括：计算部，其基于响应于振动检测到的位移和反作用力来识别对应于部分结构的振动模型，并且将振动模型和数值模型相互组合以构成整体的模型 系统对应的结构，并计算整个系统模型的振动响应。
-
公开(公告)号：US06341258B1
公开(公告)日：2002-01-22
申请号：US09526207
申请日：2000-03-15
IPC分类号： G01M702
摘要： A shaking response is estimated with high precision by performing a shaking test f or combining and estimating a shaking characteristic of a partial structure of an object under test obtained through a shaking test and a shaking response of the whole structure which is numerically modeled. In a shaking test apparatus and method, a structure under test comprises a partial structure and a numerical model which is virtually connected to the partial structure. First, a vibration model corresponding to the partial structure is assumed, the numerical model and the vibration model are combined to construct an overall-system model, and then the vibration response of the overall-system model is calculated. On the basis of the calculation result and the signal input from a waveform oscillator, the partial structure is shaken by using a shaker. The displacement and reaction force of the partial structure are measured by a displacement gauge and a load cell, the vibration model is corrected on the basis of the measurement value and the overall-system model is reconstructed. This procedure is repeated to construct the overall-system model with high precision.
摘要翻译： 通过进行振动试验f或者通过振动试验获得的被测试物体的部分结构的振动特性和数值模拟的整个结构的振动响应进行振动试验f估计振动响应。 在振动测试装置和方法中，被测结构包括虚拟连接到部分结构的部分结构和数值模型。 首先，假设与部分结构相对应的振动模型，数值模型和振动模型结合起来构建一个整体系统模型，然后计算整个系统模型的振动响应。 根据计算结果和从波形振荡器输入的信号，通过振荡器使部分结构振动。 部分结构的位移和反作用力由位移计和称重传感器测量，振动模型根据测量值进行校正，并重建整个系统模型。 重复此过程，以高精度构建整体系统模型。
-
公开(公告)号：US06189385B1
公开(公告)日：2001-02-20
申请号：US09043348
申请日：1998-03-18
申请人： Toshihiko Horiuchi , Takao Konno
发明人： Toshihiko Horiuchi , Takao Konno
IPC分类号： G01M700
摘要： A shaking table has a control unit for controlling the shaking table so that a target waveform signal is reproduced with at least an acceleration measuring signal as a feedback signal. The control unit is adapted for effecting control by employing the force applied to the shaking table from a specimen under test loaded on the shaking table as the feedback signal. As a control error deriving from the force is canceled, highly accurate acceleration reproducibility is attainable even in the case of a non-linear specimen under test whose dynamic characteristics fluctuate with time.
摘要翻译： 振动台具有用于控制振动台的控制单元，使得至少一个加速度测量信号作为反馈信号再现目标波形信号。 控制单元适于通过使用从加载在振动台上的被测试样品施加到振动台上的力作为反馈信号来进行控制。 由于取消了来自力的控制误差，即使在动态特性随时间而波动的非线性试样的情况下也能够获得高精度的加速度再现性。
-
公开(公告)号：US06718270B2
公开(公告)日：2004-04-06
申请号：US10244746
申请日：2002-09-17
申请人： Toshihiko Horiuchi , Takao Konno
发明人： Toshihiko Horiuchi , Takao Konno
IPC分类号： G01F1700
CPC分类号： G01M7/00
摘要： A vibration testing device includes a computer system having: a measurement processing block for inputting an output of the monitoring sensor and processing the output; a model substituting block for modeling characteristics of the test piece, calculating a response quantity corresponding to a drive condition of an actuator, and inputting the calculation result to a numerical simulation block and the parameter changing block; the parameter changing block for comparing the calculation result of the model substituting block with the processing result of the measurement processing block, and changing the parameter; the numerical simulation block for calculating a vibration response in accordance with a previously input structure numerical model; and a waveform generating block for calculating a time function of a deformation to be applied to the test piece, and outputting the time block to the actuator controlling device.
摘要翻译： 振动测试装置包括：计算机系统，具有：测量处理块，用于输入监视传感器的输出并处理输出; 模型替代块，用于对所述试件进行建模特性，计算与致动器的驱动条件对应的响应量，并将所述计算结果输入到数值模拟块和所述参数改变块; 用于将模型替换块的计算结果与测量处理块的处理结果进行比较的参数改变块，并且改变参数; 用于根据先前输入的结构数值模型计算振动响应的数值模拟块; 以及波形发生块，用于计算要施加到试件的变形的时间函数，并将该时间块输出到致动器控制装置。
-
-
-
-
-
-
-
-
-
搜索结果
18 条记录 (耗时 0.022 秒)
