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What is a Safety Related System Astute Class Submarine
PROFIBUS & PROFINET Conference 2015
23-24th June 2015 / Not Protectively Marked © BAE Systems Marine Ltd 2015 1
23-24th June 2015, Stratford. UK
Presenters: M Carter MSc CEng FIET
2
Introduction Brief Overview
© BAE Systems Marine Ltd 2015
• Based in Barrow-in-Furness
• History
• Holland
• Upholder
• Future
• Vanguard
• Trafalgar
• Astute
Complexity
23-24th June 2015 / Not Protectively Marked
Justify its SAFE! (within ALARP principals)
3
Reason Why? Submarines Primary Goal
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Primary Goal
1. Act as a deterrent to
aggression.
2. Deliver aggression, if
needed.
FIGHT!!!
B
A
Secondary Goal
1. Ability to MOVE.
a) Propulsion
b) Power Generation
c) Navigation
Humans
4
Reason Why Summary
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Fight!!
Move
Humans
In terms of Safety 1. To Humans
2. To the Asset Asset
5
Platform Management System Overview
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
6 © BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Platform Management
System (PMS)
HCI
Safety
Functions
Normal
Functions
Fight
Life- Support
Control
Console
Control
Console
Steering
Drive
Steam
Fight!!
Move
Humans
Platform Management System Overview
7 © BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Platform Management
System (PMS)
HCI
Safety
Functions
Normal
Functions
Fight
Life-Support
Control
Console
Control
Console
Steering
Drive
Steam
Data
Gathering
Platform Management System Overview
8
Platform Management Summary - Safety
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Humans 1. Protect from such as:
a) Electrocution
b) Materials (toxicity)
c) Weight
d) Sharp edges
Asset 1. Provide situational awareness
2. Provide control to manage mission
3. Common
a) Provide functionality required
b) Application
c) Product to support Application
d) Fit for Purpose
9
Platform Management Architecture
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Vessel Systems and Local Controls
Combat
Primary
Platform
Propulsion
Communication Network
Data Collection
& Control Units Local Operating
Panel
(LOP)
Ship Control ConsoleCentralised Control ConsoleStarting Platform
Console
Printer
Printer
Inputs and Outputs
(I/O)
Data-LoggerData-Logger
Vehicle Control
Ethernet
Profibus
10
Safety What does it mean!
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Safe to Operate Safe to Maintain
Human
Computer Interface
11
Safety What Safe to operate mean!
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Safe to Operate Safe to Maintain
Data-Logger
Sequence
Controller
Remote
I/O
Safe to Operate
Safe to Operate Provide Situational
Awareness
Human
Computer Interface
12
Safety What Safe to operate mean!
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Remote
I/O Sequence
Controller
Data-Logger
Valve
Open
Safe to Operate
Provide Control
Human
Computer Interface
13
Safety What Safe to operate mean!
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Remote
I/O Sequence
Controller
Data-Logger
14
Safety What Safe to maintain mean!
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Safe to Operate Safe to Maintain
Data-Logger
Sequence
Controller
Human
Computer Interface
Remote
I/O
15
Strategy Making your Argument?
© BAE Systems Marine Ltd 2015 23-24th June 2015 / Not Protectively Marked
Goal 1
The System ‘X’ is
acceptably safe.
My
Argument
Is???
Str 1
Argue is safe to
Maintain & Operate
Goal 1.1
The System is safe to
Maintain.
Goal 1.2
The System is safe to
Operate.
Goal
Structuring
Notation
Evidence