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公开(公告)号：US4282468A
公开(公告)日：1981-08-04
申请号：US30079
申请日：1979-04-16
CPC分类号： G05B19/351
摘要： A positioning system is provided in which command and feedback signals are processed to develop an analog error signal for application to a servo drive to position a controlled element. The command signals are in the form of pulses each of which corresponds to a certain incremental distance of movement. The feedback signals are developed from phase shifts of a low frequency resolver signal, such phase shifts being proportional to movement of the element. Such feedback signals are applied to a resolver digitizer circuit which develops a train of resolver pulses in response to the phase shift represented by each feedback signal. Each such resolver pulse corresponds to the same incremental distance of movement as a command pulse and both the resolver pulses and the command pulses are applied to a comparator and error signal circuit in which any cumulative error in either direction is stored as a digital number and is converted to an analog error signal of the proper polarity. The system effects accurate positioning of an element while accommodating a large temporary following error and thereby allowing movement at high speeds in response to high command pulse frequencies.
摘要翻译： 提供了一种定位系统，其中处理命令和反馈信号以开发模拟误差信号，以应用于伺服驱动器以定位受控元件。 命令信号是脉冲的形式，每个脉冲对应于一定的增加的移动距离。 反馈信号是由低频解算器信号的相移产生的，这种相移与元件的移动成比例。 这样的反馈信号被施加到解析器数字转换器电路，该解算器数字转换器电路响应于由每个反馈信号表示的相移而产生一系列解算器脉冲。 每个这样的分解器脉冲对应于与指令脉冲相同的增加的移动距离，并且解算器脉冲和指令脉冲都被施加到比较器和误差信号电路，其中任一方向上的任何累积误差被存储为数字数字，并且是 转换成适当极性的模拟误差信号。 该系统在容纳大的临时跟随误差的同时实现元件的精确定位，从而允许响应于高指令脉冲频率而以高速移动。
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公开(公告)号：US08950325B2
公开(公告)日：2015-02-10
申请号：US12855248
申请日：2010-08-12
申请人： Thaddeus A. Niemiro , Daniel F. Machaj , Thomas W. Orzechowski , Joseph Vucko , Albert L. Van Wieren
发明人： Thaddeus A. Niemiro , Daniel F. Machaj , Thomas W. Orzechowski , Joseph Vucko , Albert L. Van Wieren
CPC分类号： B41F31/027 , B41F31/08 , B41J2/175 , B41J29/02
摘要： Disclosed herein is an ink rail assembly having a key sharing provision. The ink rail assembly includes a page pack having an ink inlet for receiving ink from an ink source and an ink outlet; and an ink rail fluidly coupled to the page pack ink outlet. The ink rail includes at least two ink keys for delivering ink to a drum of a printing press, and a diverter assembly in fluid communication with the at least two ink keys and to the page pack to control the flow of ink from the page pack and selective divert the flow of ink between the at least two ink keys.
摘要翻译： 本文公开了具有密钥共享提供的墨水导轨组件。 墨水导轨组件包括具有用于从墨水源和墨水出口接收墨水的墨水入口的页面包; 以及流体连接到页面包装墨水出口的墨水导轨。 墨水导轨包括用于将墨水输送到印刷机的滚筒的至少两个油墨键以及与所述至少两个墨水键盘和页面组件流体连通的分流器组件，以控制来自页面组件的墨水的流动， 选择性地转移至少两个墨水键之间的墨水流动。
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公开(公告)号：US20120038717A1
公开(公告)日：2012-02-16
申请号：US12855248
申请日：2010-08-12
申请人： Thaddeus A. Niemiro , Daniel F. Machaj , Thomas W. Orzechowski , Joseph Vucko , Albert L. Van Wieren
发明人： Thaddeus A. Niemiro , Daniel F. Machaj , Thomas W. Orzechowski , Joseph Vucko , Albert L. Van Wieren
IPC分类号： B41J2/175
CPC分类号： B41F31/027 , B41F31/08 , B41J2/175 , B41J29/02
摘要： Disclosed herein is an ink rail assembly having a key sharing provision. The ink rail assembly includes a page pack having an ink inlet for receiving ink from an ink source and an ink outlet; and an ink rail fluidly coupled to the page pack ink outlet. The ink rail includes at least two ink keys for delivering ink to a drum of a printing press, and a diverter assembly in fluid communication with the at least two ink keys and to the page pack to control the flow of ink from the page pack and selective divert the flow of ink between the at least two ink keys.
摘要翻译： 本文公开了具有密钥共享提供的墨水导轨组件。 墨水导轨组件包括具有用于从墨水源和墨水出口接收墨水的墨水入口的页面包; 以及流体连接到页面包装墨水出口的墨水导轨。 墨水导轨包括用于将墨水输送到印刷机的滚筒的至少两个油墨键以及与所述至少两个墨水键盘和页面组件流体连通的分流器组件，以控制来自页面组件的墨水的流动， 选择性地转移至少两个墨水键之间的墨水流动。
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