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Formal Technical Process Specification and Verification for Automated Production Systems Georg Hackenberg, Alarico Campetelli, Christoph Legat, Jakob Mund, Sabine Teufl and Birgit Vogel-Heuser

Motivation » Automated Production Systems (Google) 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 2

Motivation » Systems Development Process (Simple) 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 3

Motivation » Systems Development Process (Simple) 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 4

Motivation » Systems Development Process (Simple) 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 5

Motivation » Systems Development Process (Simple) 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 6

Motivation » Systems Development Process (Simple) Our focus 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 7

Motivation » State of the Art Process ssSpecif cifica ication ionTechniqu niques Formal l Verif ifica ication ion Technique hniques  Business Process Model & Notation  Design time • E.g. Simulink Design Verifier  Formalized Process Description • Temporal logics / patterns • Life sequence charts But what we we found und missi sing ngis is … • UML communication diagrams a general integrated approach to  Run time process specification and design / run • Run time verification / monitoring time verification. • Temporal logics 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 8

Motivation » Research Objectives Specif cifica icatio ion Technique hnique Rigorous usForma maliz lizatio ion Verific ification ionTechniq nique  Abstract syntax  Precise semantics  Design time  Graphical notation  Machine computable  Run time 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 9

1. 1. Cont ntrib ribut ution ion 2. Evaluation 3. Conclusion

Contribution » Specification Technique 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 11

Contribution » Specification Technique 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 12

Contribution » Specification Technique 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 13

Contribution » Rigorous Formalization 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 14

Contribution » Verification Technique 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 15

Contribution » Verification Technique 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 16

Contribution » Verification Technique 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 17

1. Contribution 2. 2. Evalua luation ion 3. Conclusion

Evaluation » Pick and Place Unit Geometric ric Setup up Plant nt Layout out 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 19

Evaluation » Process Specification 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 20

Evaluation » System Specification 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 21

Evaluation » Satisfaction Verification 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 22

Evaluation » Issue Analysis / Resolution 1. Initia ial l Syste stem m Specif cifica ication ion 2. Revis ised Syste stem m Specif cifica icatio ion  Initial sensor positions  Displaced sensor positions  Incorrect crane angles  Correct crane angles 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 23

1. Contribution 2. Evaluation 3. 3. Conclu clusi sion

Conclusion » Benefits and Future Work Benefit its Futur ure Work  Improve graphical notation of the  Obervation interface allows to … process specification • Decouple and integrate process and system specification • Reduce modeling effort through inclusion of specification patterns • Model process specification over abstract observation streams  Analyze and improve scalability of • Model system specification using the presented approach observer components • Prove process satisfaction for the  Verification technique allows to … entire pick and place unit • Prove process satisfaction both at • Prove process satisfaction step-wise design and at run time from activity to activity? 2014/09/30 Georg Hackenberg - Formal Technical Process Specification and Verification 25

Formal Technical Process Specification and Verification for Automated Production Systems Georg Hackenberg, Alarico Campetelli, Christoph Legat, Jakob Mund, Sabine Teufl and Birgit Vogel-Heuser