ISSN : 1229-6783(Print)
ISSN : 2288-1484(Online)
ISSN : 2288-1484(Online)
Journal of the Korea Safety Management & Science Vol.15 No.3 pp.61-69
DOI : https://doi.org/10.12812/ksms.2013.15.3.61
DOI : https://doi.org/10.12812/ksms.2013.15.3.61
기능안전규격 ISO 26262의 효과적 구현을 위한 시스템공학 기반 요구사항 분석/검증 방법
On a Method to Analyze and Verify the Functional Safety of ISO 26262 Based on Systems Engineering Framework
Received July 19, 2013; Revision Received September 4, 2013; Accepted August 28, 2013.
Abstract
According to ISO 26262 (the international standard on functional safety for automotive industry), thefunctional safety should be considered during the whole automotive systems life cycle from the design phasethroughout the production phase. In order to satisfy the standard, the automotive and related industry needs totake appropriate actions while carrying out a variety of development activities. This paper presents an approachto coping with the standard. Analyzing the standard indicates that the safety issues of the automotive systemsshould be handled with a system’s view whereas the conventional approach to solving the issues has beenpracticed with focus on the component’s level. The aforementioned system’s view implies that the functionalsafety shall be incorporated in the system design from both the system’s life-cycle view and the hierarchicalview for the structure. In light of this, the systems engineering framework can be quite appropriate in thefunctional safety development and thus has been taken in this paper as a problem solving approach. Of variousdesign issues, the analysis and verification of the safety requirements for functional safety is a key studysubject of the paper. Note, in particular, that the conventional FMEA (failure mode effects analysis) and FTA(fault tree analysis) methods seem to be partly relying on the insufficient experience and knowledge of theengineers. To improve this, a systematic method is studied here and the result is applied in the design of anABS braking system as a case study.
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2.VDA(Verband Der Automobilindustrie), "Band 2, 3, 4 Quality management in the Automotive Industry," German Automotive Industry Association, 4. edition 2004
3.ISO 26262-4, Road vehicles—Functional safety— Part 4: Product development at the system level, First edition, 2011-11-15
4.B. William, "Selection of Hazard Evaluation Techniques," Retrieved October, Knoxville, USA, 2004, p. 2009.
5.Jang, J.S., and An, D.J., "How to perform FMEA effectively", KSQM, KISTI, v. 25 no. 1, pp. 156-172, Mar. 1997.
6.Kim, S.Y., Kim, H.G., and Yun, W.Y., "Reestablishment of RPN Evaluation Method in FMEA Procedure for Motors in Household Appliances ", KSQM, KISTI, v.35 no.1, pp. 1-9, Jan. 2007.
7.Cho, J.H., Jung, Y.J., Jeon, S.H., Han, T.M., and Kim, H.S., "An implementation of automotive development methodology based on ISO26262," KASE Conference, KASE, Nov. 2010, pp. 2052-2059.
8.B. Kaiser, "Approaches towards reusable safety concepts," in Proc. VDA Automotive SYS Conference, May 15, 2012.
9.A. Hycham, B. Mohamed, A. Morayo, and S. Emilia, "An integrated approach to implement system engineering and safety engineering processes: SASHA Project," ERTS2012, pp. 1-6, 2012.
10.Yang, S.I., and Lee, N.H., "The case study of ISO26262 product requirements analysis applying requirements engineering," KASE Conference, KASE, Nov. 2012, pp. 2609-2615.
11.Kim, Y.H., Cho, S.Y., and Kim, H.W., "A method of system requirements specification corresponding to ISO26262 functional safety," KASE Conference, KASE, Nov. 2011, pp. 1548-1553.
12.E. Armengaud, Q. Bourrouilh, G. Griessnig, H. Martin, and P. Reichenpfader, "Using the CESAR Safety Framework for Functional Safety Management in the context of ISO 26262," ERTS²- EMBEDDED REAL TIME SOFTWARE AND SYSTEMS, 2012.
13.F. Kevin, M. Hal, and C. Howard, Ed(s). Visualizing project management: Models and frameworks for mastering complex systems. New Jersey: Wiley. com, 2005, Chapter 9.
14.M. Ellims, H. Monkhouse, and A. Lyon, "ISO 26262: Experience applying Part 3 to an in-wheel electric motor," in Proc. 2011 6th IET International Conference on System Safety, 2011, pp. 1-8.
15.A. Kossiakoff and W. N. Sweet, Ed(s). Systems Engineering Principles and Practice. New Jersey: Wiley, 2011.
16.Jung, Y.J., Cho, J.H., Jeon, S.H., and Han, T.M., "Solution for complexity of HW-SW integration for automotive platform," KASE Conference, KASE, Nov. 2009, pp. 2051-2055.
17.G. John C and G. William M, "FMEDA– Accurate Product Failure Metrics," exida, Sellersville, USA, Feb. 19, 2007.
18.B. Cogan, Ed(s). SYSTEMS ENGINEERING – PRACTICE AND THEORY. Rijeka Croatia: InTech, Mar. 2012, 4. A Safety Engineering Perspective, pp. 97-126.
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