Consideration of uncertainty within the conceptual integration of measurement functions into existing systems

Vorwerk-Handing, Gunnar; Welzbacher, Peter; Kirchner, Eckhard

doi:10.1016/j.promfg.2020.11.050

Cited by 13 publications

(32 citation statements)

References 5 publications

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“…Based on the list of standardised disturbance factors by Mathias (2016), Vorwerk-Handing et al (2020) developed a control list to support the developer in the systematic identification of disturbance factors in the early phase of the product development process. For this purpose, the different standardised disturbance factors defined by Mathias (2016) were first assigned to their corresponding physical domains.…”

Section: Previous Workmentioning

confidence: 99%

“…For this purpose, the different standardised disturbance factors defined by Mathias (2016) were first assigned to their corresponding physical domains. Subsequently, each standardised disturbance factor, called potential disturbance variable by Vorwerk-Handing et al (2020), was linked with its corresponding so-called physical influencing variables that directly act on, and thus influence, the considered technical system (cf. Vorwerk-Handing et al, 2020).…”

Section: Previous Workmentioning

confidence: 99%

“…Subsequently, each standardised disturbance factor, called potential disturbance variable by Vorwerk-Handing et al (2020), was linked with its corresponding so-called physical influencing variables that directly act on, and thus influence, the considered technical system (cf. Vorwerk-Handing et al, 2020). An extract of the control list by Vorwerk-Handing et al (2020) is shown in Figure 4.…”

Section: Previous Workmentioning

confidence: 99%

“…For the systematic identification of unintended physical effects, physical effect catalogues can be used, for example the one proposed by Koller (1998) or Vorwerk-Handing (2021). A detailed description of the identification process of unintended physical effects can be found in Vorwerk-Handing et al (2020) and will not be further elaborated here as it is not in the focus of this publication. (cf.…”

Section: Previous Workmentioning

confidence: 99%

“…Moreover, effect catalogues, for example, the one proposed by Koller (1998) can be used to systematically identify possible physical effects that are caused by disturbance factors and may influence the functionality of the product negatively (cf. Vorwerk-Handing et al, 2020). However, all these methods and approaches have in common that they do not include or refer to a systematic approach or tool to support the developer in the systematic identification of occurring disturbance factors.…”

Section: Introductionmentioning

confidence: 99%

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A Control List for the Systematic Identification of Disturbance Factors

2021

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The importance of considering disturbance factors in the product development process is often emphasized as one of the key factors to a functional and secure product. However, there is only a small number of tools to support the developer in the identification of disturbance factors and none of them yet ensures that the majority of occurring disturbance factors is considered. Thus, it is the aim of this contribution to provide a tool in form of a control list for the systematic identification of disturbance factors. At the beginning of this contribution, the terms “disturbance factor” and “uncertainty” are defined based on a literature review and different approaches for the classification of uncertainty are presented. Subsequently, the fundamentals of multipole based model theory are outlined. Moreover, a first approach in terms of a control list for a systematic identification of disturbance factors is discussed. Based on the discussed approach and taking the identified weaknesses as a starting point, a control list is presented that combines the existing basic concept of the control list with the fundamentals of multipole based model theory.

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Section: Previous Workmentioning

confidence: 99%

Section: Previous Workmentioning

confidence: 99%

Section: Previous Workmentioning

confidence: 99%

Section: Previous Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Control List for the Systematic Identification of Disturbance Factors

2021

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Methods for In Situ Sensor Integration

Hausmann

Kirchner

Vorwerk-Handing

et al. 2021

Design Methodology for Future Products

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Systematische Identifikation von Störfaktoren auf die elektrischen Charakteristiken von Getrieben

Becker-Dombrowsky

Hausmann

Welzbacher

et al. 2023

Forsch Ingenieurwes

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Failures of machine elements can cause critical machine breakdowns, e.g. bearing damage accounts for almost 20% of all machine failures. Hence, monitoring machine elements is of particular importance for condition monitoring of gearboxes. Therefore, new approaches based on electrical impedance analysis are proposed in literature, e.g. for the measurement of rolling bearing load or damage condition with so-called sensory utilizable machine elements (SuME). For this approach, an electrical signal is transmitted through the structure to be observed and the resulting impedance is measured. With this technique it is possible to detect loads and damages not only for bearings, but also for the entire gearbox. Another application of this method can be the transmission of electrical signals through machine elements and the gearbox themselves. However, uncertainty arises with regard to the distinct signal transmission in these processes, mainly due to parasitic capacitances. In this contribution, the disturbing factors on the measured impedance of a gearbox at different working points are investigated. For this purpose, disturbance factors are systematically identified and used as basis for a full factorial experimental design for screening the operational characteristics of a gearbox. The data obtained from the tests is analyzed to identify correlations between the disturbance factors and parasitic capacitances. The experiments show a speed- and torque-dependent behavior of the parasitic capacitances in a gearbox. These results can be used for further research of SuME and structure-integrated energy supply and signal paths as well as the evaluation of related measurement data by reducing the associated uncertainty.

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Consideration of uncertainty within the conceptual integration of measurement functions into existing systems

Cited by 13 publications

References 5 publications

A Control List for the Systematic Identification of Disturbance Factors

A Control List for the Systematic Identification of Disturbance Factors

Methods for In Situ Sensor Integration

Systematische Identifikation von Störfaktoren auf die elektrischen Charakteristiken von Getrieben

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