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    • 4. 发明专利
    • Temporary motion vibration-proof experimental device
    • 临时运动振动验证实验装置
    • JPS61132836A
    • 1986-06-20
    • JP25519284
    • 1984-12-03
    • Kensetsusho Kenchiku Kenkyu ShochoMitsubishi Heavy Ind Ltd
    • OKAMOTO SHINYAMAZAKI YUTAKANAKAJIMA MASAYOSHIUENOSONO TAKASHIKATO HIROTOAIKI JIYUNICHIMATSUSHITA TAKAYUKI
    • G01M7/00G01M7/02G05D19/02
    • G01M7/022G01M7/00
    • PURPOSE:To prevent an error of a higher order mode by deciding that a displacement quantity of a specimen has reached a displacement target value, when it has entered into a convervence allowable area of the displacement target value, outputting a displacement command value from a displacement controller, and controlling a load quantity of a displacement loading device. CONSTITUTION:An experimental device is constituted of displacement loading devices 2a, 2b, load detectors 3a, 3b, a target value operator 5 and a displacement controller 7 having a convergence allowable area setting device, etc. In this state, based on a load quantity by the displacement loading device, and a mathematical expression model of a specimen 1 given by a constant setting device 6, displacement target values Xa, Xb of the specimen 1 are calculated by the target value operator 5. Subsequently, a convergence allowable area is set to the displacement target values Xa, Xb, and when displacement quantities Ya, Yb of the specimen 1 have entered into this area, it is decided that they have reached the displacement target values Xa, Xb, and displacement command values Va, Vb are outputted. In this way, in the displacement loading devices 2a, 2b, the generation of an error having a regularity in the undershoot side can be prevented.
    • 目的:为了通过判定试样的位移量达到位移目标值来防止高阶模式的误差,当其进入位移目标值的可收敛容许区域时,从位移输出位移指令值 控制器,并控制排量装载装置的负载量。 实施例:实验装置由位移装载装置2a,2b,负载检测器3a,3b,目标值操作器5和具有会聚容许区域设定装置的位移控制器7等构成。在该状态下,基于负载量 通过位移加载装置和由恒定设定装置6给出的试样1的数学表达式模型,由目标值算子5计算试样1的位移目标值Xa,Xb。接着,设定会聚允许面积 相对于位移目标值Xa,Xb,并且当样本1的位移量Ya,Yb进入该区域时,判定它们已经达到位移目标值Xa,Xb,并且输出位移指令值Va,Vb 。 以这种方式,在位移加载装置2a,2b中,可以防止在下冲侧产生规则性的误差。
    • 5. 发明专利
    • Characteristic testing device
    • 特性测试装置
    • JPS61132838A
    • 1986-06-20
    • JP25519384
    • 1984-12-03
    • Kensetsusho Kenchiku Kenkyu ShochoMitsubishi Heavy Ind Ltd
    • OKAMOTO SHINYAMAZAKI YUTAKANAKAJIMA MASAYOSHIUENOSONO TAKASHIKATO HIROTOAIKI JIYUNICHI
    • G01M5/00G01N3/08
    • G01N3/08
    • PURPOSE:To cope exactly with a target displacement even in case when an error has been generated between the target displacement and a measured displacement by providing an error force correcting device so that a specimen reaction force is derived by a corrected value based on a difference between the target displacement to the specimen and the measured displacement. CONSTITUTION:A testing device is constituted of a specimen displacement target signal generating device 11, a force applying device 12, a specaimen 13, a force detector 15, a displacement detector 14, an error force correcting device 21 and a specimen reaction force measuring device 22. Also, the correcting device 21 supplies to the measuring device 22 a correcting signal which has multiplied a difference between a target deformation quantity of a target signal Xt supplied from the signal generating device 11 and a measured deformation quantity of a displacement measuring signal Xm supplied from the displacement detector 14, by regidity of the specimen 13. Subsequently, the measuring device 22 calculates a specimen reaction force from this correcting signal value and a measured reaction force value of a reaction force measuring signal Fm supplied from the force detector 15. In this way, it is possible to cope exactly with a target displacement, and the reliability of a characteristic test can be improved.
    • 目的:即使在通过提供误差力校正装置使目标位移和测量位移之间产生误差的情况下,也可以精确地处理目标位移,使得通过校正值基于 试样的目标位移和测量的位移。 构成:试验装置由试样移动目标信号发生装置11,施力装置12,试样13,力检测器15,位移检测器14,误差力校正装置21和试样反力测定装置 此外,校正装置21向测量装置22提供校正信号,该校正信号将从信号发生装置11提供的目标信号Xt的目标变形量与位移测量信号Xm的测量变形量之差 然后,由测定装置22根据该修正信号值和从力检测器15供给的反作用力测定信号Fm的测定反作用力来计算试样反作用力。 以这种方式,可以精确地处理目标位移和特性t的可靠性 可以改善。
    • 6. 发明专利
    • Temporary motion vibration-proof experimental device
    • 临时运动振动验证实验装置
    • JPS61132835A
    • 1986-06-20
    • JP25519184
    • 1984-12-03
    • Kensetsusho Kenchiku Kenkyu ShochoMitsubishi Heavy Ind Ltd
    • OKAMOTO SHINYAMAZAKI YUTAKANAKAJIMA MASAYOSHIUENOSONO TAKASHIKATO HIROTOSENO TAISUKEAIKI JIYUNICHIMATSUSHITA TAKAYUKI
    • G01M7/00G01M7/02G05D19/02
    • G01M7/022G01M7/00
    • PURPOSE:To avoid the generation of an error of a higher order mode at the time of a response calculation, and to improve the experimental accuracy by giving an attenuation of the vicinity of the highest order mode of a response of a specimen as a larger value than others, as an attenuation term of a mathematical expression model of the specimen. CONSTITUTION:A displacement target value Xa of a specimen 1 is derived by executing a response calculation by a target value operator 5, based on a load quantity Fa of a displacement loading device 2a for giving a displacement of a prescribed vibration mode by applying a force to the specimen 1, and a mathematical expression model of the specimen 1 given from a constant setting device 6. In this case, to an attenuation term of the mathematical expression model, an attenuation factor of the vicinity of the highest order mode of a response of the specimen 1 is given as a larger value than others. Subsequently, from a displacement target value Xa and a displacement quantity Ya of the specimen 1, a displacement command value Va given to the specimen 1 is calculated by a displacement controller 7, and also based on a deviation of said value and a displacement quantity Wa of the displacement loading device 2a, a load quantity is controlled.
    • 目的:为了避免在响应计算时产生较高阶模式的误差,并且通过将样本的响应的最高阶模式的附近衰减为较大值来提高实验精度 作为样本的数学表达模型的衰减项。 构成:通过基于用于通过施加力来赋予规定的振动模式的位移的位移装载装置2a的载荷量Fa,通过执行目标值操作器5的响应计算来导出试样1的位移目标值Xa 对于样本1,以及从恒定设定装置6给出的样本1的数学表达式。在这种情况下,对于数学表达式模型的衰减项,响应的最高阶模式附近的衰减因子 样本1的值比其他值大。 随后,从位移目标值Xa和试样1的位移量Ya,通过位移控制器7计算赋予试样1的位移指令值Va,并且还基于所述值的偏差和位移量Wa 的位移装载装置2a,控制负载量。