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    • 4. 发明申请
    • ANALYSIS METHOD BASED ON AN ERROR FUNCTION OPTIMIZATION TECHNIQUE
    • 基于错误函数优化技术的分析方法
    • WO2008119928A1
    • 2008-10-09
    • PCT/GB2008/000755
    • 2008-03-05
    • ROLLS-ROYCE PLCBROWN, Stephen, Geoffrey
    • BROWN, Stephen, Geoffrey
    • G05B23/02
    • G05B17/02G05B23/0294
    • A method is provided of analysing measured parameter values, in relation to corresponding expected parameter values, from a system which has a plurality of associated system variables. The method includes the step of optimising an error function which relates said measured parameter values to the system variables. The step of optimising the error function includes adjusting the system variables to vary the expected parameter values and thereby vary the amount of error represented by the error function. A portion of the system variables are adjusted independently of each other. A further portion of the system variables are adjusted dependently of each other. In the further portion, the system variables remain in a predetermined constant ratio relative to each other, the predetermined constant ratio being characteristic of a known mechanism changing the performance of the system.
    • 提供了一种从具有多个关联系统变量的系统分析与相应的预期参数值相关的测量参数值的方法。 该方法包括优化将所述测量的参数值与系统变量相关联的误差函数的步骤。 优化误差函数的步骤包括调整系统变量以改变预期参数值,从而改变由误差函数表示的误差量。 系统变量的一部分彼此独立地进行调整。 系统变量的另一部分相互依次进行调整。 在另一部分中,系统变量保持相对于彼此的预定的恒定比例,预定常数比是改变系统性能的已知机构的特征。
    • 6. 发明申请
    • MULTI-VARIABLE OPERATIONS
    • 多变量操作
    • WO2005024350A2
    • 2005-03-17
    • PCT/GB2004/003768
    • 2004-09-06
    • CURVACEOUS SOFTWARE LIMITEDBROOKS, Robin, WilliamWILSON, John, Gavin
    • BROOKS, Robin, WilliamWILSON, John, Gavin
    • G01D7/00
    • G01D7/10G05B19/41875G05B23/0235G05B23/0272G05B23/0294G05B2219/32187Y02P90/22Y10S706/906
    • Operation of a multi-variable process involves multidimensional representation of the values (pl-p12) of the process variables (Pl-P12) according to individual coordinate axes, and an operational envelope (UB,LB) derived from a group of sets of values for the process and quality variables (P1-P12,Q1-Q2) accumulated from multiple, earlier operations of the process, defines an operating zone for the process and quality variables of the process. If the current value (p7) of any process variable (P7) goes outside the envelope, an envelope (UO,LB) for a different, wider grouping of the stored data-sets is displayed at least for the quality variables (Ql-Q2). A series of nested envelopes to provide stepwise enlargement of the operating zone may be provided, but non-nested envelopes can be used where there is clustering of acceptable values of process variables of the stored data-sets. The changes to control variables to bring the values of dependent variables within a best operating range can be determined.
    • 多变量过程的操作包括根据各个坐标轴的过程变量(P1-P12)的值(pl-p12)的多维表示,以及从一组值得到的操作包络线(UB,LB) 对于从过程的多个早期操作累积的过程和质量变量(P1-P12,Q1-Q2),为过程的过程和质量变量定义了一个操作区域。 如果任何过程变量(P7)的当前值(p7)超出了信封,则至少针对质量变量(Q1-Q2)显示用于存储的数据集的不同更广泛分组的包络(UO,LB) )。 可以提供一系列用于提供操作区域的逐步扩大的嵌套信封,但是可以在存储的数据集的过程变量的可接受值聚类的情况下使用非嵌套信封。 可以确定控制变量的变化以将因变量的值置于最佳操作范围内。
    • 7. 发明申请
    • SENSOR LOOP WITH DISTRIBUTED POWER SOURCES AND METHOD THEREFOR
    • 具有分布式电源的传感器环路及其方法
    • WO03069756A8
    • 2003-12-11
    • PCT/US0303500
    • 2003-02-04
    • PINNACLE WEST CAPITAL CORPHAYDEN HERBERT T
    • HAYDEN HERBERT T
    • F24J2/38F24J2/40G05B23/02H02J
    • F24J2/38F24J2/405G05B23/0235G05B23/0294Y02E10/47
    • A fail-safe electrical control system in the form of a sensor loop (24) is provided. The sensor loop (24) includes any number of sensor units (22) coupled in series. Each sensor unit (22) includes a local power source (26), a local sensor (14), and a local indicator controller (30). The local power source (26), local sensor (14), and local indicator controller (30) are coupled in series within the sensor unit (22) and the sensor loop (24) to form a closed circuit (40) that does not require a central controller or the performance of loop configuration activities. The local power sources (26) distributed throughout the sensor loop (24) within the sensor units (22) are all isolated from the earth. In one preferred embodiment, the sensor loop (24) controls the movement of solar collectors (12) into wind stow positions when high wind (16) conditions occur.
    • 提供了一种传感器回路(24)形式的故障安全电气控制系统。 传感器回路(24)包括串联耦合的任何数量的传感器单元(22)。 每个传感器单元(22)包括本地电源(26),本地传感器(14)和本地指示器控制器(30)。 本地电源(26),本地传感器(14)和本地指示器控制器(30)在传感器单元(22)和传感器回路(24)内串联耦合,以形成不包括的闭合回路(40) 需要中央控制器或执行循环配置活动。 分布在传感器单元(22)内的传感器回路(24)的局部电源(26)都与地球隔离。 在一个优选实施例中,当发生大风(16)条件时,传感器回路(24)控制太阳能收集器(12)移动到收风位置。
    • 8. 发明申请
    • CREATION AND DISPLAY OF INDICES WITHIN A PROCESS PLANT
    • 在过程工厂中创建和显示指标
    • WO2002071170A2
    • 2002-09-12
    • PCT/US2002/005874
    • 2002-02-28
    • FISHER-ROSEMOUNT SYSTEMS, INC.
    • ERYUREK, EvrenSCHLEISS, Trevor, D.
    • G05B23/02
    • G05B23/0294G05B13/0275G05B13/028G05B19/41865G05B19/41875G05B23/0243G05B2219/31288G05B2219/32015G05B2219/32018G05B2219/32235G05B2219/32371G06Q10/087G06Q30/0633Y02P80/114Y02P80/40Y02P90/14Y02P90/18Y02P90/185Y02P90/20Y02P90/22Y02P90/26Y02P90/86Y10S715/965
    • A process control system uses an asset utilization expert to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the maintenance functional areas and the business systems functional areas. This data and information is manipulated in a coordinated manner by tools, such as optimization and modeling tools and is redistributed to other areas or tools where it is used to perform overall better or more optimal control, maintenance and business activities. Information or data may be collected by maintenance functions pertaining to the health, variability, performance or utilization of a device, loop, unit, etc. and this information may then be sent to and displayed to a process operator or maintenance person to inform that person of a current or future problem. A user interface is provided that enables users to access and manipulatethe expert engine to optimize plant operation or cause optimization of plant operation, to get information about the operation of the plant, etc. Furthermore, applications, such as work order generation applications may automatically generate work orders, parts or supplies orders, etc. based on events occurring within the plant.
    • 过程控制系统使用资产利用专家从工厂的各种来源或功能区域收集与过程工厂的资产相关的数据或信息,包括例如过程控制功能区域,维护功能区域和业务系统 功能区域。 这些数据和信息通过工具(如优化和建模工具)以协调的方式进行操作,并重新分配到其他区域或工具,用于执行整体更好或更优化的控制,维护和业务活动。 可以通过与设备,环路,单元等的健康,变异性,性能或利用相关的维护功能来收集信息或数据,然后可以将该信息发送到过程操作员或维护人员并向其显示,以通知该人 当前或未来的问题。 提供了一种用户界面,使用户能够访问和操纵专家引擎,优化工厂操作或引起工厂操作优化,获得有关工厂运行的信息等。此外,诸如工单生成应用程序等应用程序可能会自动 根据工厂内发生的事件生成工单,零件或用品订单等。