Lecture Series WS2020/2021
We're glad that you are interested in this semester's lecture series, which takes places virtually only due to the ongoing Covid-19 pandemic.
Upcoming Talks
Unfortunately, there are no upcoming talks for this semester's lecture series. We are working on a continuation, which will start next semester. More information will follow soon - so stay tuned!
Previous Talks
| Date | Speaker | Title & Abstract |
|---|---|---|
| 05/11/2020 2:50 pm |
Hannes Ernst | Camera-Based Photoplethysmography: How to Deal With Fluctuating Signal Quality and Does Skin Pigmentation Matter? Camera-based photoplethysmography is a non-contact optical technique to assess cardiovascular parameters such as heart rate. The signal quality of this technique varies strongly and is affected especially by motion or unsteady illumination. Furthermore, differences of the signal quality depending on skin tone have been reported. The presentation adresses both of these aspects and gives insights into state-of-the-art research. |
| 12/11/2020 2:50 pm |
Marc Satkowski | Diminishing the Gap: Accessibility of Visualizations and Augmented Reality Information visualizations become more prominent in our everyday life. We are not only encountering them on desktop computers, mobile devices, or in magazines, but also in Augmented Reality (AR). In general, AR enables us to enhance and extend the real world with additional virtual information. However, not only the increased exposure to many different visualization types, but also new technologies like AR, makes it hard to grasp and understand how systems should be used. This presentation will showcase the ongoing research on adaptive visualization in AR and will show possible categorizations for adaptable and adaptation parameters. |
| 19/11/2020 2:50 pm |
Felix Miesen | The role of human operators in CPPS: Starting points for a human-centered and competence-oriented design Due to increasing levels of automation and flexibilisation in various industries, production systems are facing a change towards cyber-physical production systems (CPPS). One example of these systems are highly automated and flexibly configurable modular plants in the process industries. While operators currently work with the same plants for several years, future operators will have to work flexibly with a wide variety of system configurations in rather short periods of time. The presentation will give an overview of the current role of the operator in the process industries, followed by insights of qualitative research on the changing role of the human operator and its tasks as well as required competencies. The consideration of those tasks and competencies will be crucial for a human-centered and competence-oriented design of CPPS. |
| 26/11/2020 2:50 pm |
Franziska Keßler | Enhancing sensitivity for relational structures: Implications for complex problem solving In the light of frequently changing system configurations in modular chemical plants, operators’ ability to make use of previously acquired knowledge and to transfer it to new system configurations becomes increasingly important. Structurally mapping two situations that are superficially distinct, but share the same underlying causal principle, enables operators to draw analogical inferences, and thus predicting future developments and generating solutions to novel problem situations. A necessary prerequisite for such analogical inference processes to take place, is the perception of the relational structure of the problem situation at hand. A heightened sensitivity for the relational structure is usually associated with expertise and demands profound experience. Intriguingly, Goldwater and Gentner (2015) developed an intervention comprising two learning experiences (explication of causal models and structural alignment of two situations from disparate fields) which increased sensitivity for relational structures significantly, hence inducing a relational shift in participants. So far, it is unclear whether such an induced relational shift may enhance problem solving performance for complex problems that are based on the causal structures included in the intervention. I will present results of a study in which I investigated the effects of enhanced sensitivity for relational structures on diverse performance parameters in a complex problem solving task (MicroDYN). |
| 03/12/2020 2:50 pm |
Yuxuan Guo | Eye Movement Patterns in Solving Complex Tasks: Characteristics of Ambient and Focal Processing Perceptual attention is guided by two types of processes: exogenous cues (involuntarily attention) or endogenous control of attention (voluntarily attention). Analysing the time course of eye movements during scene exploration often reveals an ambient to focal processing mode. In previous studies, the ambient-to-focal processing mode has been mainly identified in relation to more exogenous changes in visual environments. In our study, we are interested in identifying ambient-to-focal strategy in relation to more goal-driven events. |
| 10/12/2020 2:50 pm |
Nazanin Hamedi | Navigation Hierarchies in CPPS: Current Challenges and Future Insights When it comes to helping human operators understand what is happening in a complex CPPS, hierarchies are of great importance. Indeed, the processes are broken down to their elements (from different viewpoints, for example physical, phenomenal, etc.) and formed in an interconnected hierarchical structure, which would ultimately result in a more helpful user interface in control rooms. This presentation describes different important types of hierarches in process engineering and their connections. |
| 17/12/2020 2:50 pm |
Jonas Miesner | Ergonomics – Human-centred infrastructure of modular process plants The human-centred approach and criteria-based evaluation are two fundamental principles of the ergonomics. To prevent musculoskeletal disorders, which are one of the most common work-related diseases, assessing and evaluating physical work demands is an integral part of any ergonomics-based design process. With the modularization of modern process plants, an acceleration in design and engineering is achieved. Emerging types of physical work must be evaluated with regard to occupational safety and health (§3(1) ArbSchG). Therefore, this presentation gives an overview of the principles of ergonomics. On this basis, the focus is shifted to the criteria-based evaluation with the physical infrastructure of modular process plants as context of use. As a methodical approach a variation of stress-related key indicators is presented. |
| 14/01/2020 2:50 pm |
Martin Gebert | An Optimized Product Verification Process: Enabling Efficient Design Reviews in Virtual Reality Design reviews are an established component of the product development process. Especially, virtual reality design reviews (VRDRs) can generate valuable feedback on the user experience of a virtual product. However, complex products such as CPPS require hilghly flexible models for the underlying creation process of VRDRs to account for products that adapt to their users. The presentation provides insights on the approach of the Enhanced Scene Graph (ESG). The ESG describes means to generate VRDRs efficiently and create useful reports as a source for feedback on a virtual product. |
|
21/01/2020 |
Florian Pelzer | Functional safety & modular automation - How a static discipline is introduced to the requirements of a dynamic production environment The modularization of process plants in pre-engineered partial plants, so called process equipment assemblies (PEA), is a promising approach to increase the needed flexibility of the production as well as reduce the time to market. As with conventional plants, risks arise from the operation of a modular plant, which must be reduced by functional safety measures. The domain of functional safety in the process industry is characterized by static procedures and customized solutions to control prevailing risks. Following this, the first challenge is to adapt the static safety measures of conventional plants to the newly emerging dynamic requirements of modular plants. A special feature of a modular system is that the operator performs the physical and virtual interconnection of the PEA, the so-called orchestration. The developed safety strategy may place special demands on the competence of an operator. Therefore, the second challenge is to identify these needed safety-related competencies in order to develop and maintain them according to the conductive design approach. In the presentation, the current state of research in connection with functional safety in modular plants as well as the intended research focus and methods will be explained. |
This overview will be updated regularly.