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    • 8. 发明授权
    • Calender control system for sheetmaking
    • 压延机控制系统
    • US4982334A
    • 1991-01-01
    • US303481
    • 1989-01-27
    • Ramesh Balakrishnan
    • Ramesh Balakrishnan
    • D21G1/00D21G9/00G01N33/34
    • D21G9/0045D21G1/0046G01N33/346Y10S162/10
    • A system for controlling the calendering of sheet materials includes means for receiving measurements of one property of sheet material during production wherein the input to the system represents the setpoints of a calender profile actuator system. In operation, the system first calculates a linear trend line from a pattern of setpoints. Then, the linear trend line is substrated from the pattern of setpoints and used to control an edge loading system. The residual setpoints are provided to a frequency splitter whose low frequency output is used to determine the setpoints of a crown roll system and whose high frequency output is used to determine the setpoints of a calender profile actuator system.
    • 用于控制片材的压延的系统包括用于在生产期间接收片材的一个性质的测量的装置,其中系统的输入表示压延轮廓致动器系统的设定点。 在操作中,系统首先从设定点的模式计算出线性趋势线。 然后,线性趋势线从设定点的模式中减去,用于控制边缘加载系统。 剩余设定值被提供给分频器,其低频输出用于确定冠辊系统的设定点,并且其高频输出用于确定压延轮廓致动器系统的设定点。