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    • 2. 发明申请
    • System modeling apparatus and method and controller designing system and method using the same
    • 系统建模装置及方法及控制器设计系统及使用方法
    • US20060136185A1
    • 2006-06-22
    • US11300343
    • 2005-12-15
    • Tae-young KimSung-ryul Lee
    • Tae-young KimSung-ryul Lee
    • G06G7/48G06G7/58
    • G05B17/02
    • A system modeling apparatus and method and a controller designing system and method of performing a system modeling using the same includes applying a step input of a magnitude to a system of interest, sampling a number of outputs according to a predetermined sampling cycle in response to the step input to the system, applying a least square to the sampled output and the sampling cycle to calculate a presumptive maximum output value and a presumptive time constant of the system, repeating the applying, sampling, and calculating operations by at least two times, by varying the magnitude of the step input, to calculate two or more presumptive maximum output values and presumptive time constants, and calculating a DC gain and a time constant of the system using the calculated presumptive maximum output values and the presumptive time constants.
    • 系统建模装置和方法以及使用其进行系统建模的控制器设计系统和方法包括将幅度的步长输入应用于感兴趣的系统,以响应于预定的采样周期,根据预定的采样周期对多个输出进行采样 对系统进行步进输入,对采样输出和采样周期应用最小二乘法,以计算系统的推定最大输出值和推定时间常数,重复应用,采样和计算运算至少两次,通过 改变阶跃输入的幅度,以计算两个或多个推定的最大输出值和推定时间常数,以及使用所计算的推定最大输出值和推定时间常数来计算系统的直流增益和时间常数。
    • 7. 发明申请
    • Method and apparatus to automatically tune paper-feeding controller
    • 自动调节送纸控制器的方法和装置
    • US20060145646A1
    • 2006-07-06
    • US11320793
    • 2005-12-30
    • Sung-ryul Lee
    • Sung-ryul Lee
    • H02K1/00
    • B41J13/103
    • A method and apparatus to automatically tune a paper-feeding controller included in a paper-feeding system of a printer by eliminating effects of disturbance and thus accurately and automatically calculating gain of the paper-feeding controller. The method of automatically tuning a controller in a paper-feeding system of a printer using a DC motor includes acquiring input and output data of the paper-feeding system by conducting an open loop test, pre-filtering the input and output data to eliminate a drift offset from the acquired input and output data, identifying a system using the pre-filtered input and output data and inducing a system model and calculating a gain of the controller using the induced system model and controlling a velocity of the paper-feeding system according to the calculated gain. Accordingly, the method can minimize effects of disturbances present in the paper-feeding system of the printer, acquire a more accurate system model, and ultimately, obtain improved control performance.
    • 一种通过消除干扰的影响自动调节包括在打印机的给纸系统中的给纸控制器,从而准确和自动地计算给纸控制器的增益的方法和装置。 使用DC电动机自动调整打印机的送纸系统中的控制器的方法包括通过进行开环测试来获取供纸系统的输入和输出数据,对输入和输出数据进行预过滤以消除 从所获取的输入和输出数据漂移偏移,使用预滤波的输入和输出数据识别系统,并且引入系统模型并且使用所引入的系统模型计算控制器的增益并且根据所述输入和输出数据来控制给纸系统的速度 计算收益。 因此,该方法可以最小化打印机给纸系统中存在的干扰的影响,获得更准确的系统模型,并且最终获得改进的控制性能。