Analysis and Synthesis of Resilient Load-Carrying Systems

Schulte, Fiona; Kirchner, Eckhard; Kloberdanz, Hermann

doi:10.1017/dsi.2019.146

Cited by 6 publications

(15 citation statements)

References 13 publications

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“…The interface comprises mainly enablers and disablers controlled by the adaption functions. Having developed the resilient functional structure the conventional systematic product development process can be followed using resilient solution principles, in addition [4]. The depicted functional structure of a by-wire car brake system shows that resilient approaches in load-carrying systems are already realised, like the introduced degradation strategy.…”

Section: Discussionmentioning

confidence: 99%

“…For analysing a system's resilience properties a resilience application model has been developed [4]. It comprises the resilient behaviour of a technical system, which is depicted by the progression of the system's functional performance over time, showing the system's reaction to a disruption.…”

Section: Resiliencementioning

confidence: 99%

“…To describe the system completely, it is also required to look at the static resilience characteristics and related metrics that describe the functional performance depending on influencing parameters according to [2]. For resilience engineering the interdependency of the properties with the disruption progression and potential correlating signals are considered, additionally [4].…”

Section: Resiliencementioning

confidence: 99%

“…To realise the characteristic learning in technical systems a human operator or an artificial intelligence system would be required. Since neither can be assumed in most technical systems, only responding, monitoring and anticipating are taken into account in the following [4]. The degree a system is able to apply the functional resilience characteristics to a disruption, provides information about the system's resilience level [6].…”

Section: Resiliencementioning

confidence: 99%

“…The degree a system is able to apply the functional resilience characteristics to a disruption, provides information about the system's resilience level [6]. Simple systems only feature responding, which describes the system's reaction to disruptions, whereas more sophisticated systems are characterised by monitoring the disruption progression and correlating signals and anticipating of an upcoming disruption by interpreting the monitored data [4,5].…”

Section: Resiliencementioning

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: Discussionmentioning

confidence: 99%

Section: Resiliencementioning

confidence: 99%

Section: Resiliencementioning

confidence: 99%

Section: Resiliencementioning

confidence: 99%

Section: Resiliencementioning

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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Analysis and Synthesis of Resilient Load-Carrying Systems

Cited by 6 publications

References 13 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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