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Safety Analysis of Software Components of a Dialysis Machine Using Model Checking

  • M. D. Harrison
  • M. Drinnan
  • J. C. Campos
  • P. Masci
  • L. Freitas
  • C. di Maria
  • M. Whitaker
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10487)

Abstract

The paper describes the practical use of a model checking technique to contribute to the risk analysis of a new paediatric dialysis machine. The formal analysis focuses on one component of the system, namely the table-driven software controller which drives the dialysis cycle and deals with error management. The analysis provided evidence of the verification of risk control measures relating to the software component. The paper describes the productive dialogue between the developers of the device, who had no experience or knowledge of formal methods, and an analyst who had experience of using the formal analysis tools. There were two aspects to this dialogue. The first concerned the translation of safety requirements so that they preserved the meaning of the requirement. The second involved understanding the relationship between the software component under analysis and the broader concern of the system as a whole. The paper focuses on the process, highlighting how the team recognised the advantages over a more traditional testing approach.

Keywords

Risk analysis Formal methods Model checking Medical devices Haemodialysis 

Notes

Acknowledgements

This work has been funded by: EPSRC research grant EP/G059063/1: CHI+MED (Computer–Human Interaction for Medical Devices). It has also been financed by the ERDF – European Regional Development Fund through the Operational Programme for Competitiveness and Internationalisation - COMPETE 2020 Programme, and by National Funds through the FCT – Fundação para a Ciência e a Tecnologia (Portuguese Foundation for Science and Technology) within project POCI-01-0145-FEDER-006961.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.School of Computing ScienceNewcastle UniversityNewcastle upon TyneUK
  2. 2.Regional Medical Physics DepartmentRoyal Victoria InfirmaryNewcastle upon TyneUK
  3. 3.Dep. InformáticaUniversidade do MinhoBragaPortugal
  4. 4.HASLabINESC TECBragaPortugal

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