Plant safety design assistance device and plant monitoring and maintenance assistance device

Patent metadata

Field	Value
Publication number	US-9495717-B2
Application number	US-201113988199-A
Country	US
Kind code	B2
Filing date	Aug 25, 2011
Priority date	Jan 20, 2011
Publication date	Nov 15, 2016
Grant date	Nov 15, 2016

Abstract

A Plant safety design assistance device ( 100 ) is configured by a communication device ( 140 ), a diagnostics and monitoring device ( 110 ), a fault inspection management device ( 120 ), and a design and manufacturing device ( 130 ) being interconnected via network ( 150 ). The diagnostics and monitoring device ( 110 ) receives plant status information (dc) from a plant control system ( 1 ) and carries out monitoring and diagnostics an the plant. The fault inspection management device ( 120 ) maintains fault inspection information (D 2 ) of an apparatus which is used in the plant. The design and manufacturing device ( 130 ) maintains design and manufacturing information of the apparatus which is used in the plant. The design and manufacturing devise ( 130 ) receives the fault inspection information (D 2 ) from the fault inspection management device ( 120 ), and carries out a plant safety design which takes the fault inspection information into account. The plant safety design is thus assisted, with the plant monitoring and maintenance activities being linked therewith.

First claim

The invention claimed is:

1. A plant safety design assistance device, wherein:
a communication device, a diagnosis and monitoring device, a fault inspection management device, and a design and manufacturing device are interconnected via a network;
the communication device transmits plant status information indicating status of a plant and first plant alert information indicating an abnormality, a fault, or a danger of the plant, the plant status information and the first plant alert information being outputted from a plant control system controlling operation of the plant;
the diagnosis and monitoring device stores the plant status information transmitted via the communication device, generates second plant alert information if a diagnosis program determined that an abnormality or a sign of an abnormality is present in the plant by diagnosing the plant status information, further stores the first plant alert information transmitted via the communication device and the second plant alert information, and transmits the first plant alert information and the second plant alert information to the fault inspection management device;
the fault inspection management device takes in and stores latest plant apparatus configuration information from the design and manufacturing device, and stores and accumulates as fault inspection information the first plant alert information and the second plant alert information transmitted from the diagnosis and monitoring device and a fault reason or an inspection reason indicated by third plant alert information inputted by a maintenance worker, in correspondence to apparatuses indicated by the plant apparatus configuration information and a fault/inspection cause; and
the design and manufacturing device stores the plant apparatus configuration information indicating an apparatus configuration of the plant and fault probability of each apparatus, changes the fault probability of an apparatus of the apparatuses constituting the plant which has failed or has been inspected on basis of the fault inspection information taken in from the fault inspection management device, calculates degree of safety from the fault inspection information taken in and the post-change fault probability of each apparatus, and updates the plant apparatus configuration information into latest information, if the degree of safety of the apparatus of the apparatuses falls below a predetermined degree of safety, by repairing and restoring the apparatus of the plant apparatus configuration information or by replacing the apparatus with another apparatus having a high degree of safety.

2. A plant safety design assistance device, wherein:
a communication device, a diagnosis and monitoring device, a fault inspection management device, a design and manufacturing device, and a requirement management device are interconnected via a network;
the communication device transmits plant status information indicating status of a plant and first plant alert information indicating an abnormality, a fault, or a danger of the plant, the plant status information and the first plant alert information being outputted from a plant control system controlling operation of the plant;
the diagnosis and monitoring device stores the plant status information transmitted via the communication device, generates second plant alert information if a diagnosis program determined that an abnormality or a sign of an abnormality is present in the plant by diagnosing the plant status information, further stores the first plant alert information transmitted via the communication device and the second plant alert information, and transmits the first plant alert information and the second plant alert information to the fault inspection management device;
the fault inspection management device takes in and stores latest plant apparatus configuration information from the design and manufacturing device, and stores and accumulates as fault inspection information the first plant alert information and the second plant alert information transmitted from the diagnosis and monitoring device and a fault reason or an inspection reason indicated by third plant alert information inputted by a maintenance worker, in correspondence to apparatuses indicated by the plant apparatus configuration information and a fault/inspection cause;
the design and manufacturing device stores the plant apparatus configuration information indicating an apparatus configuration of the plant, fault probability and specifications information of each apparatus, changes the fault probability of an apparatus of the apparatuses constituting the plant which has failed or has been inspected on a basis of the fault inspection information taken in from the fault inspection management device, calculates degree of safety from the fault inspection information taken in and the post-change fault probability of each apparatus, updates the plant apparatus configuration information into latest information, if the degree of safety of the apparatus of the apparatuses falls below a predetermined degree of safety, by repairing and restoring the apparatus of the plant apparatus configuration information or by replacing the apparatus with another apparatus having a high degree of safety, registers the specifications information indicated by requirements specifications information when the requirements specifications information has been transmitted from the requirement management device to the design and manufacturing device and transmits specifications change information to the requirement management device when the specifications information has been changed; and
the requirement management device transmits the requirements specifications information to the design and manufacturing device.

3. A plant safety design assistance device, wherein:
a communication device, a diagnosis and monitoring device, a fault inspection management device, a design and manufacturing device, a requirement management device, and a customer support management device are interconnected via a network;
the communication device transmits plant status information indicating status of a plant and first plant alert information indicating an abnormality, a fault, or a danger of the plant, the plant status information and the first plant alert information being outputted from a plant control system controlling operation of the plant;
the diagnosis and monitoring device stores the plant status information transmitted via the communication device, generates second plant alert information if a diagnosis program determined that an abnormality or a sign of an abnormality is present in the plant by diagnosing the plant status information, further stores the first plant alert information transmitted via the communication device and the second plant alert information, and transmits the first plant alert information and the second plant alert information to the fault inspection management device;
the fault inspection management device takes in and stores latest plant apparatus configuration information from the design and manufacturing device, and stores and accumulates as fault inspection information the first plant alert information and the second plant alert information transmitted from the diagnosis and monitoring device and a fault reason or an inspection reason indicated by third plant alert information inputted by a maintenance worker, in correspondence to apparatuses indicated by the plant apparatus configuration information and a fault/inspection cause;
the design and manufacturing device stores the plant apparatus configuration information indicating an apparatus configuration of the plant, fault probability of each apparatus, and specifications information, changes the fault probability of an apparatus of the apparatuses constituting the plant which has failed or has been inspected on a basi

Assignees

• ANZAI Fumikado
• Morimoto Kenichi
• Yamanaka Yoshikane
• Mitsubishi Heavy Ind Ltd

Inventors

• ANZAI Fumikado
• Morimoto Kenichi
• Yamanaka Yoshikane

Classifications

• Y02P90/80

  Management or planning · CPC title

• Y02P90/30

  Computing systems specially adapted for manufacturing · CPC title

• Y02P90/02

  Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS] · CPC title

• G05B2219/32235

  Sharing of data between process control and maintenance management computers · CPC title

• G05B2219/32234

  Maintenance planning · CPC title