PROCESS CONTROL SYSTEM AND DATA PROCESSING METHOD

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专利权人:

YOKOGAWA ELECTRIC CORPORATION

发明人:

Fujita Sho,Takahashi Kimikazu,Ema Nobuaki

申请号：

US201815964926

公开号：

US2018314243(A1)

申请日:

2018.04.27

申请国别(地区):

美国

年份:

2018

代理人:

摘要：

A process control system includes: one or a plurality of field devices configured to be placed in a plant; and a control apparatus configured to perform at least one of input and output on the field device to control the plant; and a change trend calculation device configured to calculate a change trend in time-series data including an observed value at each point in time of the field device.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/