System and method for detecting an abnormal situation associated with a process gain of a control loop
    91.
    发明授权
    System and method for detecting an abnormal situation associated with a process gain of a control loop 有权
    用于检测与控制回路的过程增益相关联的异常情况的系统和方法

    公开(公告)号:US07660701B2

    公开(公告)日:2010-02-09

    申请号:US11149001

    申请日:2005-06-09

    CPC classification number: G05B23/0254 C10G11/187 G05B13/024

    Abstract: In a method for monitoring a control loop in a process plant, process gain data associated with a control loop may be collected. The collected process gain data may be used to determine an expected process gain behavior. For example, expected values of a process variable for given values of a load variable may be determined. As another example, expected changes in a process variable for given changes in a load variable may be determined. Then, during operation of the control loop, the process gain may be monitored. If the monitored process gain substantially deviates from the expected behavior, this may indicate an abnormal situation associated with the control loop.

    Abstract translation: 在用于监视过程工厂中的控制回路的方法中,可以收集与控制回路相关联的过程增益数据。 收集的过程增益数据可用于确定预期的过程增益行为。 例如,可以确定负载变量的给定值的过程变量的期望值。 作为另一示例,可以确定负载变量中给定变化的过程变量的预期变化。 然后,在控制环路的操作期间,可以监视过程增益。 如果监控过程的增益基本上偏离预期行为,则这可能表示与控制回路相关联的异常情况。

    LEAD-LAG FILTER ARRANGEMENT FOR ELECTRO-PNEUMATIC CONTROL LOOPS
    92.
    发明申请
    LEAD-LAG FILTER ARRANGEMENT FOR ELECTRO-PNEUMATIC CONTROL LOOPS 有权
    用于电动气动控制杆的引线过滤器布置

    公开(公告)号:US20090326682A1

    公开(公告)日:2009-12-31

    申请号:US12556036

    申请日:2009-09-09

    Abstract: A lead-lag input filter is connected ahead of a positioner feedback loop having one or more valve accessories, such as a volume booster or a QEV, to overcome slow dynamics experienced by the accessories when receiving low amplitude change control or set point signals. A user interface is connected to the lead-lag input filter and enables an operator or other control personnel to view and change the operating characteristics of the lead-lag input filter to thereby provide the control loop with any of a number of desired response characteristics.

    Abstract translation: 引导滞后输入滤波器连接在具有一个或多个阀附件(例如音量增强器或QEV)的定位器反馈回路之前,以克服附件在接收低幅度变化控制或设定点信号时经历的慢动力。 用户接口连接到超前滞后输入滤波器,使操作员或其他控制人员可以查看和改变超前滞后输入滤波器的工作特性,从而为控制回路提供多种所需响应特性中的任何一种。

    CONTROL DEVICE AND METHOD AND UNMANNED HELICOPTER HAVING THE SAME
    93.
    发明申请
    CONTROL DEVICE AND METHOD AND UNMANNED HELICOPTER HAVING THE SAME 审中-公开
    控制装置和方法以及与之相关的无人直升机

    公开(公告)号:US20090254229A1

    公开(公告)日:2009-10-08

    申请号:US11910425

    申请日:2006-04-03

    Applicant: Katsu Nakamura

    Inventor: Katsu Nakamura

    CPC classification number: G05B13/024 G05B11/32 G05D1/0858

    Abstract: A control method comprises calculating a target value for at least one of a plurality of control parameters of a control target. The method also comprises performing feedback control of the control target in order for a value of a first of the control parameters to be set closer to its target value, and adjusting a target value of a second of the control parameters based at least in part on a deviation between the target value and a current value of at least one of the other control parameter.

    Abstract translation: 控制方法包括计算控制目标的多个控制参数中的至少一个的目标值。 该方法还包括执行控制目标的反馈控制,以使得第一控制参数的值被设置为更接近其目标值,并且至少部分地基于控制参数的目标值来调整第二控制参数的目标值 所述目标值与所述另一个控制参数中的至少一个的当前值之间的偏差。

    Lead-lag input filter arrangement for electro-pneumatic control loops
    94.
    发明授权
    Lead-lag input filter arrangement for electro-pneumatic control loops 有权
    用于电动气动控制回路的超前滞后输入滤波器装置

    公开(公告)号:US07593802B2

    公开(公告)日:2009-09-22

    申请号:US10595116

    申请日:2006-04-04

    Abstract: A lead-lag input filter is connected ahead of a positioner feedback loop having one or more valve accessories, such as a volume booster or a QEV, to overcome slow dynamics experienced by the accessories when receiving low amplitude change control or set point signals. A user interface is connected to the lead-lag input filter and enables an operator or other control personnel to view and change the operating characteristics of the lead-lag input filter to thereby provide the control loop with any of a number of desired response characteristics.

    Abstract translation: 引导滞后输入滤波器连接在具有一个或多个阀附件(例如音量增强器或QEV)的定位器反馈回路之前,以克服附件在接收低幅度变化控制或设定点信号时经历的慢动力。 用户接口连接到超前滞后输入滤波器,使操作员或其他控制人员可以查看和改变超前滞后输入滤波器的工作特性,从而为控制回路提供多种所需响应特性中的任何一种。

    Device and Method for Controlling Valve
    95.
    发明申请
    Device and Method for Controlling Valve 有权
    控制阀的装置和方法

    公开(公告)号:US20090228153A1

    公开(公告)日:2009-09-10

    申请号:US12403087

    申请日:2009-03-12

    Applicant: Yoshio Ogawa

    Inventor: Yoshio Ogawa

    Abstract: To provide a valve controller which is convenient for users in that, even users without abundant experience and expert knowledge can obtain the optimum operation performance for a short period of time; and it can be prevented that control performance is caused to be deteriorated on the contrary in dependence on changing way of each coefficient. A valve controller 8 for controlling valve opening of an expansion valve 4 by calculating the valve opening such that a detected temperature (degree of superheat) Tsh coincides with a target temperature (degree of superheat) TS comprises: automatic tuning means for calculating a deviation e(t) between the detected temperature and the target temperature and for calculating changing amount of the valve opening m(t) by substituting at least the deviation and a set control parameter (PB, Ti, Td) into an arithmetic expression to automatically set the control parameter; and control level adjusting means for adjusting a magnitude of the valve opening calculated with the control parameter set by the automatic tuning means in stages in accordance with a set control level, and so on.

    Abstract translation: 为了提供方便用户的阀门控制器,即使没有丰富经验和专业知识的用户也能在短时间内获得最佳的操作性能; 并且可以防止根据每个系数的变化方式相反地使控制性能劣化。 阀控制器8,用于通过计算阀开度来控制膨胀阀4的阀开度,使得检测温度(过热度)Tsh与目标温度(过热度)TS一致,包括:自动调节装置,用于计算偏差e (t)在检测温度和目标温度之间,并且通过将至少偏差和设定控制参数(PB,Ti,Td)替换为算术表达式来计算阀开度m(t)的变化量,以自动设置 控制参数; 以及控制电平调整装置,用于根据设定的控制电平对由自动调谐装置设定的控制参数计算出的阀开度的大小进行分级调整。

    Method for optimizing operational parameters on wind farms
    98.
    发明授权
    Method for optimizing operational parameters on wind farms 有权
    风力发电场运行参数优化方法

    公开(公告)号:US07571013B2

    公开(公告)日:2009-08-04

    申请号:US11667784

    申请日:2005-11-22

    Applicant: Jens Altemark

    Inventor: Jens Altemark

    Abstract: A method for optimization of operating parameters of a wind energy installation defines an upper and a lower interval limit value for a parameter to be optimized. The method includes carrying out a cycle with alternate operations of the wind energy installation with the interval limit values, with a data record in each case being produced with a target variable over a variable number of repetitions. The data records relating to the interval limit values are evaluated to form a quality measure, and the interval limit value with the poorer quality measure is identified. Then, at least the interval limit value with the poorer quality measure is replaced by shifting through a step value Δ in a direction of another interval limit value. The cycle is then repeated.

    Abstract translation: 用于优化风能设备的操作参数的方法为要优化的参数定义上限和下限值。 该方法包括以具有间隔极限值的风力发电设备的替代操作进行循环,每种情况下的数据记录以可变数量的重复产生目标变量。 评估与间隔极限值相关的数据记录以形成质量测量,并且识别具有较差质量度量的间隔极限值。 然后,通过在另一间隔极限值的方向上移动步长值Delta来代替具有较差质量测量值的至少间隔极限值。 然后重复循环。

    TEMPERATURE REGULATING APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD
    99.
    发明申请
    TEMPERATURE REGULATING APPARATUS, EXPOSURE APPARATUS, AND DEVICE MANUFACTURING METHOD 有权
    温度调节装置,曝光装置和装置制造方法

    公开(公告)号:US20090090498A1

    公开(公告)日:2009-04-09

    申请号:US12212207

    申请日:2008-09-17

    Inventor: Yoshiyuki Okada

    Abstract: A temperature regulating apparatus includes a correcting operation unit configured a) to calculates a heat exchange amount of a heat exchanger, a logarithmic mean temperature difference or an average temperature in the heat exchanger, and a flow rate of a second medium, b) to calculate an overall heat transfer coefficient of the heat exchanger based on the heat exchange amount, the logarithmic mean temperature difference or the average temperature, and the flow rate of the second medium, and c) to correct a gain of a regulating operation unit based on a change in the heat exchange amount with a change in the flow rate of the second medium supplied to the heat exchanger.

    Abstract translation: 温度调节装置包括校正操作单元,其配置为:计算热交换器的热交换量,热交换器中的对数平均温度差或平均温度以及第二介质的流量,b)计算 基于热交换量,对数平均温度差或平均温度和第二介质的流量的热交换器的总传热系数,以及c)基于以下方式校正调节操作单元的增益 随着供给到热交换器的第二介质的流量的变化,热交换量的变化。

    Stabilizing solutions to output feedback pole placement problem with parameter drift and automated alerting of system parameter changes
    100.
    发明授权
    Stabilizing solutions to output feedback pole placement problem with parameter drift and automated alerting of system parameter changes 有权
    稳定解决方案,输出反馈极点位置问题,参数漂移和系统参数变化的自动报警

    公开(公告)号:US07502722B2

    公开(公告)日:2009-03-10

    申请号:US11113631

    申请日:2005-04-24

    Applicant: Mei Kobayashi

    Inventor: Mei Kobayashi

    CPC classification number: G05B5/01 G05B13/024

    Abstract: Output feedback pole placement problems with parameter drift are solved with stabilizing solutions. Changes in system parameters trigger alerts in an automated manner. A representative method includes determining a set of solutions for an output feed pole placement problem, based on parameters of a physical system. The solutions are stable and well-conditioned for monitoring changes to the parameters of the physical system. The physical system is adjusted, or controlled, based on the solutions determined. Updated parameters of the physical system are acquired. A set of updated solutions for the output feedback pole placement problem are determined based on the updated parameters. The physical system is then adjusted, or controlled, based on the updated solutions determined. A system manager may also be notified of the updated parameters and/or the updated solutions. Furthermore, changes within the system may be monitored, and/or potentially critical changes within the system may be detected.

    Abstract translation: 用稳定解决方案解决参数漂移的输出反馈极点位置问题。 系统参数的更改以自动的方式触发警报。 一种代表性的方法包括基于物理系统的参数确定输出馈电极放置问题的一组解。 这些解决方案是稳定的,适合监控物理系统参数的变化。 物理系统根据所确定的解决方案进行调整或控制。 获取物理系统的更新参数。 基于更新的参数确定一组用于输出反馈极点放置问题的更新解决方案。 然后根据确定的更新解决方案调整或控制物理系统。 还可以向系统管理员通知更新的参数和/或更新的解决方案。 此外,可以监视系统内的变化,并且/或可能检测到系统内潜在的关键变化。

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