公开(公告)号：US20170227954A1

公开(公告)日：2017-08-10

申请号：US15417365

申请日：2017-01-27

Applicant: YOKOGAWA ELECTRIC CORPORATION

Inventor： Tatenobu SEKI ,  Mitsuhiro YAMAMOTO ,  Yoshihisa HIDAKA ,  Nobuaki EMA

IPC: G05B23/02 ,  G05B13/04

CPC classification number: G05B23/0243 ,  G05B13/041 ,  G05B23/0283

Abstract: A plant performance evaluation apparatus includes a first storage storing a first static model indicating a model of a first steady state in a plant, a second storage storing a first dynamic model indicating a model of a dynamic state of the plant, a model converter configured to convert the first dynamic model to a second static model indicating a model of a second steady state of the plant, and to store the second static model into the first storage, the first steady state indicating a steady state of the plant temporally before the second steady state, a comparator configured to compare parameters included in the first static model with parameters included in the second static model and to output a comparison result, and a display configured to display the comparison result output from the comparator.

公开(公告)号：US20140067089A1

公开(公告)日：2014-03-06

申请号：US14013847

申请日：2013-08-29

Applicant: YOKOGAWA ELECTRIC CORPORATION

Inventor： Takahiro KANBE ,  Mitsuhiro YAMAMOTO ,  Nobuaki EMA

IPC: G05B6/02

CPC classification number: G05B6/02 ,  G05B19/41845 ,  G05B2219/25057 ,  G05B2219/25068 ,  G05B2219/25074 ,  G05B2219/32142 ,  Y02P90/14 ,  Y02P90/16 ,  Y02P90/18

Abstract: A maintenance support system include includes: a first storage unit which stores first specification information indicating a specification of a process control system which performs control of an industrial process implemented in a plant; an actual condition information extraction unit configured to extract actual condition information indicating an actual condition for the process control system; and a first comparison unit configured to output first information indicating a result of comparing the first specification information stored in the first storage unit with the actual condition information extracted by the extraction unit.

Abstract translation: 维护支持系统包括：第一存储单元，其存储指示执行在工厂中实现的工业过程的控制的过程控制系统的规格的第一规格信息; 实际条件信息提取单元，被配置为提取表示处理控制系统的实际条件的实际条件信息; 以及第一比较单元，被配置为输出指示将存储在第一存储单元中的第一指定信息与由提取单元提取的实际条件信息进行比较的结果的第一信息。