Information processing device, calculation method, and computer-readable recording medium

Patent metadata

Field	Value
Publication number	US-2023061033-A1
Application number	US-202217895590-A
Country	US
Kind code	A1
Filing date	Aug 25, 2022
Priority date	Aug 31, 2021
Publication date	Mar 2, 2023
Grant date	—

Abstract

An information processing device calculates a behavior of an actual plant by simulation using a virtual plant following an operational status of the actual plant with respect to each of a plurality of operation pattern plans including operation information in which operations on the actual plant and times of execution at which the operations are executed are associated with each other. The information processing device outputs the operation pattern plans and respective calculation results in association with each other.

First claim

What is claimed is:

1 . An information processing device comprising:
a calculator configured to calculate a behavior of an actual plant by simulation using a virtual plant following an operational status of the actual plant with respect to each of a plurality of operation pattern plans including operation information in which operations on the actual plant and times of execution at which the operations are executed are associated with each other; and a display processor configured to output the operation pattern plans and respective calculation results in association with each other.

2 . The information processing device according to claim 1 , wherein the calculation unit is configured to generate a calculation result including a calculation value of at least one evaluation item representing a behavior of the actual plant by simulation using the operation information with respect to each of the operation pattern plans.

3 . The information processing device according to claim 2 , wherein the calculation unit is configured to
receive a setting of a simulation period in which a start time and an end time are specified, and when the start time comes, calculate a behavior of the actual plant at the end time at a point of the start time with respect to the operation pattern plans based on the state of the actual plant at the point of the start time and generate the calculation results corresponding to the operation pattern plans, respectively.

4 . The information processing device according to claim 3 , wherein the calculation unit is configured to, when the time of execution is reached after generation of the calculation results at the point of the start time with respect to the respective operation pattern plans, update the calculation results by re-simulation using a process state value on a process of the actual plant at the time of execution.

5 . The information processing device according to claim 3 , wherein the calculation unit is configured to, when a disturbance that has an effect on operating the actual plant occurs after generation of the calculation results at the point of the start time with respect to the respective operation pattern plans, update the calculation results by re-simulation using a process state value on a process of the actual plant at a point of occurrence of the disturbance.

6 . The information processing device according to claim 5 , wherein the calculation unit is configured to
when the disturbance occurs, generate a new operation pattern plan according to a status of the actual plant at a point of the disturbance, and generate the calculation result by the simulation using the process state value with respect to the new operation pattern.

7 . The information processing device according to claim 1 , wherein the display processor is configured to output the calculation results of the respective operation pattern plans, which are generated by simulation, in a form in which the calculation results are comparable.

8 . The information processing device according to claim 1 , wherein the calculation unit is configured to
receive choosing of an operation pattern plan according to which an execution is to be made from among the operation pattern plans that are displayed in association with the respective calculation results, and execute each set of operation information contained in the chosen operation pattern plan on the actual plant.

9 . A calculation method comprising:
calculating a behavior of an actual plant by simulation using a virtual plant following an operational status of the actual plant with respect to each of a plurality of operation pattern plans including operation information in which operations on the actual plant and times of execution at which the operations are executed are associated with each other; and outputting the operation pattern plans and respective calculation results in association with each other.

10 . A computer-readable recording medium having stored therein a calculation program that causes a computer to perform a process comprising:
calculating a behavior of an actual plant by simulation using a virtual plant following an operational status of the actual plant with respect to each of a plurality of operation pattern plans including operation information in which operations on the actual plant and times of execution at which the operations are executed are associated with each other; and outputting the operation pattern plans and respective calculation results in association with each other.

Assignees

• Yokogawa Electric Corp

Inventors

• Kashiwa Ryosuke
• Omata Toshiaki
• Ema Nobuaki
• Yoshida Yoshitaka

Classifications

• G05B17/02 Primary

  electric · CPC title

• Y02P90/30

  Computing systems specially adapted for manufacturing · CPC title

• G06F30/20

  Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) · CPC title

• G05B13/04 Primary

  involving the use of models or simulators · CPC title