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    • 52. 发明授权
    • Process control system using a control strategy implemented in a layered
hierarchy of control modules
    • 过程控制系统使用在控制模块的分层结构中实现的控制策略
    • US5862052A
    • 1999-01-19
    • US631520
    • 1996-04-12
    • Mark NixonRobert B. HavekostLarry O. JundtMichael G. OttArthur WebbDennis StevensonMike LucasKen J. Beoughter
    • Mark NixonRobert B. HavekostLarry O. JundtMichael G. OttArthur WebbDennis StevensonMike LucasKen J. Beoughter
    • G06F15/40
    • G06F11/3065G05B19/0426G06F11/3048G05B2219/23389G06F11/2007G06F11/202
    • A process controller implements an overall, user-developed control strategy in a process control network that includes distributed controller and field devices. A user defines a module control strategy by specifying function blocks that make up control modules and determine the control strategy. The user modifies or debugs a module control strategy by adding, modifying and deleting function blocks, configuring parameters associated with the function blocks and creating a view to new attributes. By defining function blocks and control modules, a user-defined control strategy, application program or diagnostic program is represented as a set of layers of interconnected control objects identified as modules. A layer of the control strategy includes a set of modules which are interconnected in a user-specified manner. A module typically includes an algorithm for performing a specific function and display components which are used to display information to a user. A module is optionally represented to include a set of input and output connections for connecting to other modules. A module may be considered to be a "black box" which performs a specified function and is connected to other modules via specified input and output connections.
    • 过程控制器在包括分布式控制器和现场设备的过程控制网络中实现整体,用户开发的控制策略。 用户通过指定组成控制模块的功能块并确定控制策略来定义模块控制策略。 用户通过添加,修改和删除功能块来修改或调试模块控制策略,配置与功能块相关联的参数并创建新属性视图。 通过定义功能块和控制模块,用户定义的控制策略,应用程序或诊断程序被表示为被识别为模块的互连控制对象的一组层。 控制策略层包括以用户指定的方式互连的一组模块。 模块通常包括用于执行特定功能和显示用于向用户显示信息的组件的算法。 模块可选地被表示为包括用于连接到其他模块的一组输入和输出连接。 模块可以被认为是执行指定功能的“黑箱”,并通过指定的输入和输出连接连接到其他模块。
    • 54. 发明申请
    • SERVICE ORIENTED FRAMEWORK FOR COMMUNICATING WITH DEVICES IN A PROCESS CONTROL SYSTEM
    • 面向服务的框架,用于与过程控制系统中的设备进行通信
    • US20120079125A1
    • 2012-03-29
    • US12889064
    • 2010-09-23
    • Mark Nixon
    • Mark Nixon
    • G06F15/16
    • H04L41/5041H04L67/12
    • A service oriented framework for communicating with devices in a process control system is disclosed. An example method to communicate with a device in a process control system disclosed herein comprises invoking a service to communicate with the device in the process control system, the service having a generic interface that is independent of a process control network protocol used to implement the process control system, translating the service into one or more network operations to implement the service, the network operations being specific to the process control network protocol used to implement the process control system, and using a network interface specific to the process control network protocol used to implement the process control system to communicate with the device in accordance with the one or more network operations.
    • 公开了一种用于与过程控制系统中的设备通信的面向服务的框架。 与本文公开的过程控制系统中的设备通信的示例性方法包括调用服务以与过程控制系统中的设备进行通信,该服务具有独立于用于实现该过程的过程控制网络协议的通用接口 控制系统,将服务转换成一个或多个网络操作以实现服务,网络操作特定于用于实现过程控制系统的过程控制网络协议,并且使用特定于用于过程控制网络协议的过程控制网络协议的网络接口 实施过程控制系统以根据一个或多个网络操作与设备进行通信。
    • 55. 发明申请
    • METHODS AND APPARATUS TO DISPLAY PROCESS CONTROL INFORMATION
    • 显示过程控制信息的方法和装置
    • US20120062577A1
    • 2012-03-15
    • US12880887
    • 2010-09-13
    • Mark Nixon
    • Mark Nixon
    • G06T1/00G06F9/44
    • G05B23/0272
    • Example methods and apparatus to display process control information are disclosed. A disclosed example method includes receiving a request to view process control information associated with a field device, accessing, via a database, a device description file associated with the field device, wherein the device description file is formatted to conform to an Electronic Device Description Language (EDDL), and generating a display for the process control information using the device description file, wherein the device description file includes a script extension that conditionally displays a graphic if a portion of the process control information matches a condition within the script extension.
    • 公开了显示过程控制信息的示例性方法和装置。 所公开的示例性方法包括接收查看与现场设备相关联的过程控制信息的请求,经由数据库访问与现场设备相关联的设备描述文件,其中设备描述文件格式化以符合电子设备描述语言 (EDDL),以及使用所述设备描述文件生成用于所述过程控制信息的显示,其中,所述设备描述文件包括脚本扩展,其在所述过程控制信息的一部分与所述脚本扩展内的条件匹配时有条件地显示图形。
    • 56. 发明申请
    • ECONOMIC CALCULATIONS IN A PROCESS CONTROL SYSTEM
    • 过程控制系统中的经济计算
    • US20100286798A1
    • 2010-11-11
    • US12779650
    • 2010-05-13
    • Marion A. KeyesMark NixonTerrence Blevins
    • Marion A. KeyesMark NixonTerrence Blevins
    • G05B13/04
    • G06Q10/06G05B13/042G05B17/02G06Q10/063G06Q30/0201G06Q30/0283G06Q40/12Y02P90/86
    • A process control system includes economic models disposed in communication with process control modules, as well as with sources of economic data, such as cost, throughput and profit data, and uses the economic models to determine useful economic parameters or information associated with the actual operation of the process plant at the time the plant is operating. The economic models can be used to provide financial statistics such as profitability, cost of manufactured product, etc. in real time based on the actual current operating state of the process and the business data associated with the finished product, raw materials, etc. These financial statistics can be used to drive alarms and alerts within the process network and be used as inputs to process plant optimizers, etc. to provide for better or more optimal control of the process and to provide a better understanding of the conditions which lead to maximum profitability of the plant.
    • 过程控制系统包括处理与过程控制模块通信的经济模型,以及经济数据来源,例如成本,生产量和利润数据,并使用经济模型来确定有用的经济参数或与实际操作相关的信息 在工厂运行时的过程工厂。 经济模型可以根据实际当前运行状况和与成品,原材料等相关的业务数据,实时提供盈利能力,制成品成本等财务统计数据。 财务统计可用于在过程网络中驱动警报和警报,并用作过程工厂优化器等的输入,以提供更好或更优化的过程控制,并提供更好地了解导致最大值的条件 工厂的盈利能力。
    • 57. 发明授权
    • Self-configuring communication networks for use with process control systems
    • 用于过程控制系统的自配置通信网络
    • US07460865B2
    • 2008-12-02
    • US10464087
    • 2003-06-18
    • Mark NixonTom AneweerKent BurrRon Eddie
    • Mark NixonTom AneweerKent BurrRon Eddie
    • H04Q7/20
    • H04W40/24G05B2219/21079G05B2219/25061G05B2219/25101G05B2219/31121G05B2219/31123G05B2219/31151G05B2219/33192H04W8/20H04W76/14Y02P90/10Y02P90/18Y02P90/86
    • Disclosed herein are methods, apparatus and articles of manufacture for configuring a communication network associated with a plurality of wireless enabled field devices. A disclosed example method of establishing a communication network for use in a process control system having a controller and a plurality of wireless enabled field devices involves identifying a plurality of wireless communication links available for routing communications between the wirless enabled field devices and the controller. Each of the wireless enabled field devices is at least one of a sensor or an actuator. The example method also involves automatically assigning at least first and second ones of the plurality of wireless communication links to a first one of the wireless enabled field devices based on at least one predetermined signal criterion. The first wireless communication link wirelessly communicatively couples the first wireless enabled field device to a second wireless device. In addition, the second wireless communication link wirelessly communicatively couples the second wireless device to the controller.
    • 这里公开了用于配置与多个无线使能的现场设备相关联的通信网络的方法,装置和制品。 公开的建立用于具有控制器和多个无线使能现场设备的过程控制系统中的通信网络的示例性方法包括识别可用于在无启动现场设备和控制器之间路由通信的多个无线通信链路。 每个无线使能的现场设备是传感器或致动器中的至少一个。 该示例性方法还涉及基于至少一个预定信号标准自动地将多个无线通信链路中的至少第一和第二无线通信链路分配给无线使能现场设备中的第一无线通信链路。 第一无线通信链路将第一无线使能现场设备无线通信地耦合到第二无线设备。 此外,第二无线通信链路将第二无线设备无线通信地耦合到控制器。