On the Origin of Products

Eger, Arthur O.; Ehlhardt, Huub

doi:10.1017/9781316941539

Cited by 3 publications

(9 citation statements)

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“…Towards the end of this PhD research project, the ideas and insights developed converged in the book On the Origin of Products (Eger and Ehlhardt, 2017). The first sentence of this book summarizes how the research question has evolved.…”

Section: Technological Innovation As An Evolutionary Processmentioning

confidence: 99%

“…Rather, it assumes that the process of innovation cannot rightfully be described from a single perspective and therefore builds on many previously published theories. Abstracts of those theories which are considered most relevant have been listed in Chapter 8 of 'On the Origin of Products' (Eger & Ehlhardt, 2017). Prudently, the writers of this book do not claim that this collection of theories is exhaustive.…”

Section: Theoretical Background and Embeddingmentioning

confidence: 99%

“…However, in this thesis a 'product' can also be software, a service or combinations of these elements, meaning that products are not only bicycles or shavers, but also word-processing software, electric toothbrushes with apps on smartphones, holidays or bank services. The definitions below are also presented in the book On the Origin of Products (Eger and Ehlhardt, 2017) as a) a set of terms that are commonly used and for which the specific meaning is defined and b) a set of newly defined terms. The section below entitled 'thesis specific' contains definitions that are either new, or can be regarded as specific for the topic presented here.…”

Section: Introductionmentioning

confidence: 99%

“…Evolutionary Product Development has been lectured at the University of Twente since 2005 and has been attended by a total of 294 students who investigated 170 different products (see also Eger & Ehlhardt (2017)). …”

Section: Introductionmentioning

confidence: 99%

“…A list of all 294 students who participated and investigated a total of 170 different types of products is included in Eger & Ehlhardt (2017).…”

mentioning

confidence: 99%

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Product evolution: how new (types of) products come about and develop over time into families of advanced versions

Ehlhardt¹

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Section: Technological Innovation As An Evolutionary Processmentioning

confidence: 99%

Section: Theoretical Background and Embeddingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…A list of all 294 students who participated and investigated a total of 170 different types of products is included in Eger & Ehlhardt (2017).…”

mentioning

confidence: 99%

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Product evolution: how new (types of) products come about and develop over time into families of advanced versions

Ehlhardt¹

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Real‐Time Optimization Using Machine Learning Models Applied to the 4,4′‐Diphenylmethane Diisocyanate Production Process

Ehlhardt

Ahmad

Wolf

et al. 2023

Chemie Ingenieur Technik

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In this work, the optimal time-varying allocation of steam in a large-scale industrial isocyanate production process is addressed. This is a problem that falls into the category of real-time optimization (RTO). The application of RTO in practice faces two problems: First the available rigorous process models may not be suitable for use in real-time connected to the process. Second, there is always a mismatch between the predictions of the model and the behavior of the real plant. We address the first problem by training a neural net model as a surrogate to data generated by a rigorous simulation model so that the model is simple to implement and short execution times result. The second problem is tackled by adapting the optimization problem based on measured data such that convergence to the optimal operating conditions for the real plant is achieved.

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