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公开(公告)号：US5180958A
公开(公告)日：1993-01-19
申请号：US680173
申请日：1991-04-03
IPC分类号： F16F15/027 , G01M7/02 , G01M7/04
CPC分类号： G01M7/022 , F16F15/0275 , G01M7/025 , G01M7/04 , B60G2400/206 , B60G2400/252 , B60G2600/60 , B60G2600/74 , B60G2600/76
摘要： An active control precision damping table supported by air springs. Level displacement and vibrations of the table are detected by a sensor or sensors, and sensor outputs are fed to a variation adder which carries out an adding operation on one of the sensor outputs and an inversion signal produced by inverting the other sensor output 180 degrees. The adder outputs results of the operation to a drive circuit, which in turn outputs a drive signal to a control valve. The control valve is operable in response to the drive signal to adjust air pressure in pressure vessels of the air springs.
摘要翻译： 由空气弹簧支撑的主动控制精密阻尼台。 通过传感器或传感器检测台的位移和振动，并且将传感器输出馈送到变换加法器，该变换加法器对传感器输出之一执行加法运算，并将反相信号转换为180度。 加法器将操作结果输出到驱动电路，驱动电路又将驱动信号输出到控制阀。 控制阀响应于驱动信号而操作，以调节空气弹簧的压力容器中的空气压力。
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公开(公告)号：US5179516A
公开(公告)日：1993-01-12
申请号：US680174
申请日：1991-04-03
IPC分类号： F16F15/027 , G01M7/02 , G01M7/04
CPC分类号： G01M7/04 , F16F15/0275 , G01M7/022 , G01M7/025 , B60G2400/206 , B60G2400/252 , B60G2600/60 , B60G2600/74 , B60G2600/76
摘要： An active control precision damping table supported by air springs. Level displacement and vibrations of the table are detected by a sensor or sensors, and sensor outputs are fed to a variation adder which carries out an adding operation on one of the sensor outputs and an inversion signal produced by inverting the other sensor output 180 degrees. The adder outputs results of the operation to a drive circuit, which in turn outputs a drive signal to a control valve. The control valve is operable in response to the drive signal to adjust air pressure in pressure vessels of the air springs.
摘要翻译： 由空气弹簧支撑的主动控制精密阻尼台。 通过传感器或传感器检测台的位移和振动，并且将传感器输出馈送到变换加法器，该变换加法器对传感器输出之一执行加法运算，并将反相信号转换为180度。 加法器将操作结果输出到驱动电路，驱动电路又将驱动信号输出到控制阀。 控制阀响应于驱动信号而操作，以调节空气弹簧的压力容器中的空气压力。
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公开(公告)号：US5060519A
公开(公告)日：1991-10-29
申请号：US299586
申请日：1989-01-23
IPC分类号： F16F15/027 , G01M7/02 , G01M7/04
CPC分类号： F16F15/0275 , G01M7/022 , G01M7/025 , G01M7/04 , B60G2400/206 , B60G2400/252 , B60G2600/60 , B60G2600/74 , B60G2600/76
摘要： An active control precision damping table supported by air springs. Level displacement and vibrations of the table are detected by a sensor or sensors, and sensor outputs are fed to a variation adder which carries out an adding operation on one of the sensor outputs and an inversion signal produced by inverting the other sensor output 180 degrees. The adder outputs results of the operation to a drive circuit, which in turn outputs a drive signal to a control valve. The control valve is operable in response to the drive signal to adjust air pressure in pressure vessels of the air springs.
摘要翻译： 由空气弹簧支撑的主动控制精密阻尼台。 通过传感器或传感器检测台的位移和振动，并且将传感器输出馈送到变换加法器，该变换加法器对传感器输出之一执行加法运算，并将反相信号转换为180度。 加法器将操作结果输出到驱动电路，驱动电路又将驱动信号输出到控制阀。 控制阀响应于驱动信号而操作，以调节空气弹簧的压力容器中的空气压力。
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