European STAMP Workshop, Zurich, Switzerland Tutorial ... · 4th European STAMP Workshop, Zurich,...

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4th European STAMP Workshop, Zurich, Switzerland

Tutorial – Hierarchical Control Structure (group activity)

Railroad-Crossing Control System

Car Driver

Cross StreetCross Tracks

Rail-Way Control Center

Secure Railroad-Crossing

Train Driver

Control Gates

Railroad-Crossing Status

Situation Awareness

Cross TracksCross Street

Railroad-Crossing Status

Railroad-Crossing StatusSituation Awareness

4th European STAMP Workshop, Zurich, Switzerland

Tutorial – Hierarchical Control Structure (group activity)

Railroad-Crossing Control System

Rail-Way Control Center

Car Driver Train Driver

Secure Railroad-Crossing Cross StreetCross Tracks

Cross Tracks

Situation Awareness

Secure crossing

Allow to Cross Street

Railroad-Crossing Status Cross Street

Allow to Cross Tracks

Situation Awareness

4th European STAMP Workshop, Zurich, Switzerland

Tutorial – Hierarchical Control Structure (group activity)

Railroad-Crossing Control System

Car Driver

Cross StreetCross Tracks

Rail-Way Control Center

Secure Railroad-Crossing

Train Driver

Close Gates,Open Gates Situation Awareness

Railroad-Crossing Status

Railroad-Crossing Status

Situation Awareness

Cross StreetCross Tracks

Railroad-Crossing Status

4th European STAMP Workshop, Zurich, Switzerland

Tutorial – Hierarchical Control Structure (group activity)

Railroad-Crossing Control System

Car Driver

Cross StreetCross Tracks

Rail-Way Control Center

Secure Railroad-Crossing

Train Driver

Tracks free

Cross Street

Situation Awareness

Railroad-Crossing Status

Train incoming

Cross Tracks

Railroad-Crossing Status

Situation Awareness

Railroad-Crossing Status

Close Gates,Open Gates

4th European STAMP Workshop, Zurich, Switzerland

Tutorial – Hierarchical Control Structure (group activity)

Railroad-Crossing Control SystemCar Driver

Cross StreetCross Tracks

Rail-Way Control Center

Secure Railroad-Crossing

Train Driver

Railway Company

Authorities

Situation Awareness

Railroad-Crossing Status

Situation Awareness

Railroad-Crossing Status

Cross StreetCross Tracks

Open Gates,Close Gates Railroad-Crossing Status

4th European STAMP Workshop, Zurich, Switzerland

Tutorial – Hierarchical Control Structure (group activity)

Railroad-Crossing Control SystemCar Driver

Cross StreetCross Tracks

Rail-Way Control Center

Secure Railroad-Crossing

Train Driver

Situation AwarenessCross Tracks

Open Gates,Close Gates

Railroad-Crossing Status Cross StreetSituation Awareness

4th European STAMP Workshop, Zürich, Switzerland

Tutorial – STPA Step 1 Template

Control Action Group / Page

Keyword UCA / Comments Safety Constraints / Requirements

4th European STAMP Workshop, Zürich, Switzerland

Tutorial – STPA Step 2 Template

UCA Group / Page

Control Loop Element Scenario / Causal Factors Safety Constraints / Requirements

Basel

Thun

Lucerne

Locarno

Vevey

Bienne

Chur

Genève