Beitrag zur Entwicklungsmethodik für resiliente Systeme des Maschinenbaus

Schulte, Fiona; Engelhardt, Roland; Kirchner, Eckhard; Kloberdanz, Hermann

doi:10.35199/dfx2019.1

Cited by 3 publications

(15 citation statements)

References 9 publications

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“…Hence, to realise the coping strategy during the systematic product development process, modelling the system coping strategy in combination with the functional structure is essential, because the signal, material and energy flows are first described within the functional structure during the development process. As the coping strategies always require the functional resilience characteristic responding, they implicitly require a purposive system adaptivity [3,15]. Thus, for the development of resilient load-carrying systems this adaptivity has to be modelled within the functional structure, which is not possible using the conventional functional structure model for robust design [3].…”

Section: Research Questionmentioning

confidence: 99%

“…As the coping strategies always require the functional resilience characteristic responding, they implicitly require a purposive system adaptivity [3,15]. Thus, for the development of resilient load-carrying systems this adaptivity has to be modelled within the functional structure, which is not possible using the conventional functional structure model for robust design [3]. In this context the objective of this contribution is to answer the following research question.…”

Section: Research Questionmentioning

confidence: 99%

“…2.2. The current as well as the aspired system properties are depictable in the resilience application model, which also enables to quantify the resilience requirements as shown in [3]. Afterwards, the deduction and formulation of the resilient coping strategy follow in two steps.…”

Section: Modelling Resilient System Structuresmentioning

confidence: 99%

“…A high potential is estimated for highly safety relevant systems like, e.g., car brake systems [3] and upon occurrence of unknown or neglected uncertainty. Events addressing uncertainty caused by nescience, that are expected to cause severe disruptions, which cannot be covered by the system's robustness, are presumed.…”

Section: Introductionmentioning

confidence: 99%

“…In this context resilience also offers economic potential. Disruptions, that are neglected during the robust design process, because of too high economical effort regarding resources and considering the low exposure to the disruption, can be addressed using the resilience concept [1,3].…”

Section: Introductionmentioning

confidence: 99%

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Modelling of Resilient Coping Strategies within the Framework of the Resilience Design Methodology for Load-Carrying Systems in Mechanical Engineering

Schulte

Kloberdanz

Kirchner

2021

Lecture Notes in Mechanical Engineering

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During the development of load-carrying systems uncertainty caused by nescience can be handled applying resilience design. With this systematic approach, in addition to robust design, resilient system properties can be achieved. The resilience design methodology comprises new and extended models and methods. The central aspect of resilient properties is an adaptivity of the system. The procedure for resilience design starts with choosing a ‘general coping strategy’ appropriate for the design task. Based on this, a more detailed ‘system coping strategy’ is developed. This concrete strategy is based on the resilience functions responding, monitoring, anticipating and learning. The coping strategies always contain the function ‘responding’ because it represents the actual adaption of the system. The central, most abstract synthesis model for developing robust and resilient systems is the functional structure model. In this model the system functions and their interconnection by signals, material and energy flows are depicted. However, the realisation of resilience properties requires additional signals and flows. Hitherto, the functional structure for robust systems is static, whereas adaptivity requires flexible control of functions and flows. Therefore, an extension of the functional structure model is proposed to be able to depict the resilient system coping strategy and adaptivity. Within the resilient system the coping strategy is depicted by adaption functions based on the four resilience functions. Via an introduced interface and an enabler-structure the adaption functions are connected to the robust functional structure. The application of the proposed extension is illustrated by the example of a by-wire car brake system.

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Section: Research Questionmentioning

confidence: 99%

Section: Research Questionmentioning

confidence: 99%

Section: Modelling Resilient System Structuresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Modelling of Resilient Coping Strategies within the Framework of the Resilience Design Methodology for Load-Carrying Systems in Mechanical Engineering

Schulte

Kloberdanz

Kirchner

2021

Lecture Notes in Mechanical Engineering

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Potentials and Challenges of Resilience as a Paradigm for Designing Technical Systems

Leise

Niessen

Schulte

et al. 2021

Lecture Notes in Mechanical Engineering

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The resilience paradigm constitutes that systems can overcome arbitrary system failures and recover quickly. This paradigm has already been applied successfully in multiple disciplines outside the engineering domain. For the development and design of engineering systems the realization of this resilience concept is more challenging and often leads to confusion, because technical systems are characterized by a lower intrinsic complexity compared to, e.g., socio-technical systems. The transfer of the resilience paradigm to technical systems though also offers high potential for the engineering domain. We present results from four-year research on transferring the resilience paradigm to the engineering domain based on mechanical engineering systems and summarize relevant design approaches to quantify the potentials of this paradigm. Furthermore, we present important challenges we faced while transferring this paradigm and present the lessons learned from this interdisciplinary research.

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Strategies for Mastering Uncertainty

Pfetsch

Abele

Altherr

et al. 2021

Springer Tracts in Mechanical Engineering

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This chapter describes three general strategies to master uncertainty in technical systems: robustness, flexibility and resilience. It builds on the previous chapters about methods to analyse and identify uncertainty and may rely on the availability of technologies for particular systems, such as active components. Robustness aims for the design of technical systems that are insensitive to anticipated uncertainties. Flexibility increases the ability of a system to work under different situations. Resilience extends this characteristic by requiring a given minimal functional performance, even after disturbances or failure of system components, and it may incorporate recovery. The three strategies are described and discussed in turn. Moreover, they are demonstrated on specific technical systems.

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Beitrag zur Entwicklungsmethodik für resiliente Systeme des Maschinenbaus

Cited by 3 publications

References 9 publications

Modelling of Resilient Coping Strategies within the Framework of the Resilience Design Methodology for Load-Carrying Systems in Mechanical Engineering

Modelling of Resilient Coping Strategies within the Framework of the Resilience Design Methodology for Load-Carrying Systems in Mechanical Engineering

Potentials and Challenges of Resilience as a Paradigm for Designing Technical Systems

Strategies for Mastering Uncertainty

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