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US 12,560,917 B2Granted
Information processing apparatus, plant control method, and non-transitory computer-readable recording medium
AssigneeYokogawa Electric Corporation
InventorsEirou Yoshimura, Kan-E Kuriyama, Isao Hirooka
Life of this patent
Estimating the term…
Abstract
An information processing apparatus includes: a processor that: acquires, from a device for an operation of a plant, data related to the operation of the plant; assigns attribute information indicating a state of the device to the acquired data; and operates the plant by using the data to which the attribute information is assigned.
Claims5
An information processing apparatus comprising:
- a processor that:
- acquires, from a device for an operation of a plant, data related to the operation of the plant, where the data is assigned type information indicating a type of the device;
- generates an approximate curve based on each of pieces of data acquired in a fixed period of time;
- classifies the data by the type information;
- assigns attribute information indicating a state of the device to the acquired data, where the attribute information includes slope information related to a slope of the approximate curve to each of the pieces of data;
- reduces the acquired data to a subset of data in which:
- the type information and the slope information have been assigned;
- and
- the slope information is equal to or less than a threshold to a simulation;
- inputs the subset of data into a multivariate simulation;
- and
- operates a field device in the plant selected from a valve, a pump, and a fan based on a result of the multivariate simulation related to the field device.
9 more elements
A plant control method that causes a computer to execute a process comprising:
- acquiring, from a device for an operation of a plant, data related to the operation of the plant, where the data is assigned type information indicating a type of the device;
- generating an approximate curve based on each of pieces of data acquired in a fixed period of time;
- classifying the data by the type information;
- assigning attribute information indicating a state of the device to the acquired data, where the attribute information includes slope information related to a slope of the approximate curve to each of the pieces of data;
- reducing the acquired data to a subset of data in which:
- the type information and the slope information have been assigned;
- and
- the slope information is equal to or less than a threshold to a simulation;
- inputting the subset of data into a multivariate simulation;
- and
- operating a field device in the plant selected from a valve, a pump, and a fan based on a result of the multivariate simulation related to the field device.
8 more elements
A non-transitory computer-readable recording medium having stored therein plant control instructions that cause a computer to execute a process comprising:
- acquiring, from a device for an operation of a plant, data related to the operation of the plant, where the data is assigned type information indicating a type of the device;
- generating an approximate curve based on each of pieces of data acquired in a fixed period of time;
- classifying the data by the type information;
- assigning attribute information indicating a state of the device to the acquired data, where the attribute information includes slope information related to a slope of the approximate curve to each of the pieces of data;
- reducing the acquired data to a subset of data in which:
- the type information and the slope information have been assigned;
- and
- the slope information is equal to or less than a threshold to a simulation;
- inputting the subset of data into a multivariate simulation;
- and
- operating a field device in the plant selected from a valve, a pump, and a fan based on a result of the multivariate simulation related to the field device.
8 more elements
Dependencies are inferred from the claim text.