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    • 5. 发明授权
    • High damping structure
    • 高阻尼结构
    • US5491938A
    • 1996-02-20
    • US272032
    • 1994-07-08
    • Naoki NiwaTakuji KoboriMotoichi TakahashiNarito KurataTakayuki MizunoMasatoshi IshidaTomohiko Hatada
    • Naoki NiwaTakuji KoboriMotoichi TakahashiNarito KurataTakayuki MizunoMasatoshi IshidaTomohiko Hatada
    • E04H9/02
    • E04H9/02E04H9/028
    • A high damping device combined with the frame of a building to protect the building from seismic shock. For seismic vibration up to a predetermined level corresponding to the permissible strength of the high damping device, a damping coefficient c of the high damping device is set so as to be c.sub.3 =c=c.sub.1 with respect to a damping coefficient c.sub.3 for giving the maximum value of a damping factor h.sub.3 corresponding to a tertiary mode of vibration of the structure and a damping coefficient c.sub.1 for giving the maximum value of a damping factor h.sub.1 corresponding to a primary mode of vibration. The maximum load on the high damping device is predetermined and means are provided to prevent the high damping device from being damaged in the event that the predetermined maximum load is exceeded. The inventive combination permits the stiffness factor of the building to be reduced from a factor of 1.0 down to a factor as low as 0.3, with a proportionate reduction in steel frame mass.
    • PCT No.PCT / JP91 / 01426 Sec。 371日期:1992年6月17日 102(e)日期1992年6月17日PCT 1991年10月18日PCT PCT。 第WO92 / 83333号公报 日期:1992年5月14日。一个高阻尼装置与建筑物的框架相结合,以保护建筑物免遭地震震动。 对于与高阻尼装置的允许强度相对应的预定水平的地震振动,高阻尼装置的阻尼系数c相对于阻尼系数c3被设定为c3 = c = c1,以给出最大值 对应于结构的三次振动模式的阻尼系数h3的值和用于给出对应于主要振动模式的阻尼系数h1的最大值的阻尼系数c1。 高阻尼装置上的最大负载是预定的,并且提供装置以防止在超过预定的最大负载的情况下高阻尼装置被损坏。 本发明的组合允许建筑物的刚度因子从1.0降低到低至0.3的因子,钢框架质量的比例降低。
    • 6. 发明授权
    • Variable damping device for seismic response controlled structure
    • 用于地震反应控制结构的可变阻尼装置
    • US5311709A
    • 1994-05-17
    • US992491
    • 1992-12-17
    • Takuji KoboriYoshinori MatsunagaNaoki NiwaTakayuki MizunoHironori SasakiIchiro ArimotoNaoshi Shinohara
    • Takuji KoboriYoshinori MatsunagaNaoki NiwaTakayuki MizunoHironori SasakiIchiro ArimotoNaoshi Shinohara
    • E04B1/34E04H9/02F16F9/46F16F15/02G05D19/02E04B1/98
    • E04H9/02F16F9/46E04H2009/026E04H9/028
    • A hydraulic variable damping device for installation in the frame of a structure to control vibrations while evaluating the damping property of the structure during seismic disturbances. Control means for this device include a command value judging circuit for comparing the plus or minus sign of a differential pressure value between hydraulic chambers within the device with that of a generated damping force command value to output a valve opening command value for fully opening a flow regulating valve when the signs of the command value and the differential pressure value are different from each other. A pressure controller is provided for making a correction based on the feedback of the pressure valve when the signs of the damping force command value and the differential pressure value are the same to generate a valve opening command value. A valve controller circuit is provided for making a correction by feeding back a detected valve opening value of the flow regulating valve with respect to the valve opening command value signal received from the command value judging circuit or the pressure controller to generate a valve opening control command value.
    • 一种液压可变阻尼装置,用于安装在结构的框架中,以在评估地震干扰期间的结构的阻尼特性时控制振动。 用于该装置的控制装置包括命令值判断电路,用于比较装置内的液压室与产生的阻尼力指令值之间的压差值的正负号,以输出用于完全打开流量的阀开启指令值 当指令值和压差值的符号彼此不同时,调节阀。 提供压力控制器,用于当阻尼力指令值和差压值的符号相同时,基于压力阀的反馈进行校正,以产生阀打开指令值。 提供一种阀控制器电路,用于通过相对于从指令值判定电路或压力控制器接收的开阀指令值信号反馈流量调节阀的检测阀开度来进行校正,以产生阀开度控制指令 值。
    • 7. 发明授权
    • Apparatus for accelerating response time of active mass damper
earthquake attenuator
    • 用于加速有源质量阻尼器地震衰减器响应时间的装置
    • US5022201A
    • 1991-06-11
    • US343085
    • 1989-04-25
    • Takuji KoboriMitsuo SakamotoToshikazu YamadaIsao NishimuraKoji IshiiJun Tagami
    • Takuji KoboriMitsuo SakamotoToshikazu YamadaIsao NishimuraKoji IshiiJun Tagami
    • E04B1/98
    • E04B1/985
    • A positive vibration suppression apparatus is disclosed, which suppresses vibrations of a building caused by earthquakes or winds by applying a control force to the building. The apparatus comprises a weight provided on the top of the building in a suspended form to reduce friction and an actuator provided between the weight and the building. The vibration suppression apparatus is controlled through sensing of the vibrations of the building and weight by a sensor, whereas for excessive vibrations of the building the vibrations of the weight are made close to the vibrations of the building to protect the apparatus, because the capacity of the vibration suppression apparatus is limited. Further, in an oil hydraulic system for obtaining a great control force, small and large size oil hydraulic pumps connected to respective small and large size electric motors and an accumulator are provided in parallel, so that the apparatus is warmed up at all time for oil hydraulic control with low power consumption. Two or more vibration suppression apparatuses are controlled at the same time according to the shape of the building to cope with torsional and secondary vibration components.
    • 公开了一种正振动抑制装置,其通过向建筑物施加控制力来抑制由地震或风引起的建筑物的振动。 设备包括以悬挂形式设置在建筑物的顶部以减轻摩擦的重物和设置在重物和建筑物之间的致动器。 振动抑制装置通过传感器感测建筑物的振动和重量来控制,而对于建筑物的过度振动,重量的振动被制成接近建筑物的振动以保护装置,因为能力 振动抑制装置受到限制。 此外,在用于获得大的控制力的油压系统中,并联设置连接到各个小型和大型电动机和蓄能器的小型和大型油压泵,使得装置始终加热油 液压控制功耗低。 根据建筑物的形状同时控制两个以上的振动抑制装置,以应付扭转和二次振动分量。