Apparatus, method and program

Patent metadata

Field	Value
Publication number	US-11429089-B2
Application number	US-202016860062-A
Country	US
Kind code	B2
Filing date	Apr 27, 2020
Priority date	Dec 28, 2017
Publication date	Aug 30, 2022
Grant date	Aug 30, 2022

Abstract

To easily generate a dynamic model for performing a dynamic simulation of a plant, an apparatus, a method and a program are provided, the apparatus including a static model acquiring unit configured to acquire a static model indicating a steady state of the plant, a piping and instrumentation diagram data acquiring unit configured to acquire piping and instrumentation diagram data of the plant, and a matching unit configured to match a device included in the static model with a device included in the piping and instrumentation diagram data to identify a device-to-device correspondence relation.

First claim

What is claimed is:

1. An apparatus comprising:
a static model acquiring unit configured to acquire a static model indicating a steady state of a plant;
a piping and instrumentation diagram data acquiring unit configured to acquire piping and instrumentation diagram data of the plant;
a matching unit configured to match a device included in the static model and a device included in the piping and instrumentation diagram data to each other to identify a device-to-device correspondence relation;
a dynamic model generating unit configured to generate a dynamic model that is a model calculating a dynamic state of the plant based on a matching result by the matching unit; and
a dynamic simulator configured to perform a dynamic simulation by using the dynamic model, wherein
the plant is at least a part of at least one of a production plant, a manufacturing plant, a chemical plant, a sludge treatment plant, a wastewater treatment plant, an air conditioning system, and a thermodynamic system,
the matching unit includes:
a model converting unit configured to convert the static model into a first model based on the static model and convert the piping and instrumentation diagram data into a second model based on the piping and instrumentation diagram data, the first and second models having a common representation format; and
a matching processing unit configured to match a device included in the first model and a device included in the second model to each other, and
the dynamic model generating unit includes:
an integrated model generating unit configured to generate an integrated model by integrating the first model and the second model; and
a converting unit configured to convert the integrated model into the dynamic model,
the matching unit is configured to identify a device-to-device correspondence relation based on a result of comparing device information added to devices included in the static model with device information added to devices included in the piping and instrumentation diagram data or a result of comparing a connection relation between devices in the static model with a connection relation between devices in the piping and instrumentation diagram data.

2. The apparatus according to claim 1 , wherein
the dynamic model generating unit is configured to generate the dyna mic model by using a connection relation between a plurality of devices in the piping and instrumentation diagram data and using parameters of devices that are in the static model and respectively correspond to the plurality of devices.

3. The apparatus according to claim 1 , wherein
the matching unit is configured to identify a device-to-device correspondence relation based on a result of comparing device information added to devices included in the static model with device information added to devices included in the piping and instrumentation diagram data.

4. The apparatus according to claim 1 , wherein
the matching unit is configured to identify a device-to-device correspondence relation based on a result of comparing a connection relation between devices in the static model with a connection relation between devices in the piping and instrumentation diagram data.

5. The apparatus according to claim 4 , wherein
in response to receiving a designation that a first device in the static model and a second device in the piping and instrumentation diagram data are corresponding devices, the matching unit is configured to identify a device-to-device correspondence relation based on a result of comparing a connection relation between the first device and each device in the static model with a connection relation between the second device and each device in the piping and instrumentation diagram data.

6. The apparatus according to claim 5 , wherein
if there are devices that cannot be matched with another left, the matching unit is further configured to receive a designation of a device-to-device correspondence relation between a device in the static model and a device in the piping and instrumentation diagram data.

7. The apparatus according to claim 5 , wherein
the matching unit is configured to:
output information of devices that are set as matching candidates, including a device included in the static model and a device included in the piping and instrumentation diagram data; and
match the devices that are set as the matching candidates to each other in response to an approval of the matching candidates.

8. The apparatus according to claim 4 , wherein
the matching unit is configured to:
generate a first model that is a semantic model indicating each device and a connection relation between devices in the static model by using ontology of the static model;
generate a second model that is a semantic model indicating each device and a connection relation between devices in the piping and instrumentation diagram data by using ontology of the piping and instrumentation diagram data; and
identify a device-to-device correspondence relation by using the first model and the second model.

9. The apparatus according to claim 1 , further comprising
a progress information output unit configured to output progress information indicating a progress of matching each device in the static model with each device in the piping and instrumentation diagram data.

10. A method comprising:
acquiring a static model indicating a steady state of a plant;
acquiring piping and instrumentation diagram data of the plant; and
converting the static model into a first model based on the static model and converting the piping and instrumentation diagram data into a second model based on the piping and instrumentation diagram data, the first and second models having a common representation format;
matching a device included in the first model and a device included in the second model to each other, including identifying a device-to-device correspondence relation based on a result of comparing device information added to devices included in the static model with device information added to devices included in the piping and instrumentation diagram data or a result of comparing a connection relation between devices in the static model with a connection relation between devices in the piping and instrumentation diagram data;
generating an integrated model by integrating the first model and the second model;
converting the integrated model into a dynamic model that is a model calculating a dynamic state of the plant; and
simulating using a dynamic simulation by using the dynamic model,
wherein the plant is at least a part of at least one of a production plant, a manufacturing plant, a chemical plant, a sludge treatment plant, a wastewater treatment plant, an air conditioning system, and a thermodynamic system.

11. A non-transitory computer readable medium having stored thereon a program which, when executed by a computer, causes a computer to perform operations comprising:
acquiring a static model indicating a steady state of a plant;
acquiring piping and instrumentation diagram data of the plant; and
converting the static model into a first model based on the static model and converting the piping and instrumentation diagram data into a second model based on the piping and instrumentation diagram data, the first and second models having a common representation format;
matching a device included in the first model and a device included in the second model to each other, including identifying a device-to-device correspondence relation based on a result of comparing device information added to devices included in the static model with device information added to devices included in the piping and instrumentation diagra

Assignees

• Yokogawa Electric Corp

Inventors

• KIMURA Yuuri
• Seki Tatenobu
• Ema Nobuaki

Classifications

• G05B2219/32359

  Modeling, simulating assembly operations · CPC title

• G05B19/4183

  characterised by data acquisition, e.g. workpiece identification · CPC title

• G06F30/20

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

• G05B17/02 Primary

  electric · CPC title

• G05B19/41865

  characterised by job scheduling, process planning, material flow · CPC title