GB2448351A8 - Method and apparatus for active system safety - Google Patents

Method and apparatus for active system safety Download PDF

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Publication number
GB2448351A8
GB2448351A8 GB0707057.6A GB0707057A GB2448351A8 GB 2448351 A8 GB2448351 A8 GB 2448351A8 GB 0707057 A GB0707057 A GB 0707057A GB 2448351 A8 GB2448351 A8 GB 2448351A8
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GB
United Kingdom
Prior art keywords
elements
active system
system safety
dependence
safety
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB0707057.6A
Other versions
GB2448351B8 (en
GB2448351B (en
GB0707057D0 (en
GB2448351A (en
Inventor
Vasilievich Schagaev Igor
Igorevich Schagaev Alexander
Robinson Kirk Brian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
It Acs Ltd
Original Assignee
It Acs Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by It Acs Ltd filed Critical It Acs Ltd
Priority to GB0707057.6A priority Critical patent/GB2448351B8/en
Publication of GB0707057D0 publication Critical patent/GB0707057D0/en
Publication of GB2448351A publication Critical patent/GB2448351A/en
Application granted granted Critical
Publication of GB2448351B publication Critical patent/GB2448351B/en
Publication of GB2448351A8 publication Critical patent/GB2448351A8/en
Publication of GB2448351B8 publication Critical patent/GB2448351B8/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
    • G05B23/0245—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model based on a qualitative model, e.g. rule based; if-then decisions
    • G05B23/0248—Causal models, e.g. fault tree; digraphs; qualitative physics
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

A method is disclosed of providing active system safety for a system comprising a plurality of elements (1 to 5). The method comprises: detecting an element (1) that is exhibiting anomalous behaviou; determining at least one element (3, 6, 2, 4, 5) likely to be causally linked to the anomalous behaviour by using a set of dependency values associated with respective pairs of the elements (1 to 5), each dependency value representing a level of behavioural dependence between the elements of the pair; and performing a safety-related action in dependence on the determination.
GB0707057.6A 2007-04-12 2007-04-12 Method and apparatus for active system safety Expired - Fee Related GB2448351B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0707057.6A GB2448351B8 (en) 2007-04-12 2007-04-12 Method and apparatus for active system safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0707057.6A GB2448351B8 (en) 2007-04-12 2007-04-12 Method and apparatus for active system safety

Publications (5)

Publication Number Publication Date
GB0707057D0 GB0707057D0 (en) 2007-05-30
GB2448351A GB2448351A (en) 2008-10-15
GB2448351B GB2448351B (en) 2011-09-21
GB2448351A8 true GB2448351A8 (en) 2017-03-01
GB2448351B8 GB2448351B8 (en) 2017-03-01

Family

ID=38135011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0707057.6A Expired - Fee Related GB2448351B8 (en) 2007-04-12 2007-04-12 Method and apparatus for active system safety

Country Status (1)

Country Link
GB (1) GB2448351B8 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3033661B1 (en) * 2015-03-10 2017-03-31 Safety Line METHOD OF ANALYZING A FLIGHT OF AN AIRCRAFT TO EVALUATE THE EXPOSURE TO A RISK GIVEN THEFT
US10719772B2 (en) 2017-10-27 2020-07-21 The Boeing Company Unsupervised multivariate relational fault detection system for a vehicle and method therefor
US11615656B2 (en) * 2019-12-20 2023-03-28 Pratt & Whitney Canada Corp. Method and system for diagnosing an engine or an aircraft

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10208866A1 (en) * 2002-03-01 2003-09-04 Bosch Gmbh Robert Establishment and procedure for the assessment and achievement of security in systems as well as corresponding computer program

Also Published As

Publication number Publication date
GB2448351B8 (en) 2017-03-01
GB2448351B (en) 2011-09-21
GB0707057D0 (en) 2007-05-30
GB2448351A (en) 2008-10-15

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Legal Events

Date Code Title Description
S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 09 JANUARY 2017

Free format text: CORRECTIONS ALLOWED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 09 JANUARY 2017 ALLOWED ON 24 FEBRUARY 2017

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190412