Daniel Holder

Daniel Holder
Universität Stuttgart · Institute of Engineering Design and Industrial Design

Dr.-Ing.
Group Leader Automotive Design Engineering & Design Methods

About

33
Publications
2,717
Reads
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40
Citations
Citations since 2016
25 Research Items
40 Citations
2016201720182019202020212022051015
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2016201720182019202020212022051015
2016201720182019202020212022051015

Publications

Publications (33)
Conference Paper
Industrial products are no longer bound by the sole dogma of "form follows function", as the customer must also be satisfied with the design. One aspect of product perception is the design age, a visible time stamp embedded in the form language and product shape. Previous research by Kießling et. al (2021) suggests that the perception of design age...
Conference Paper
Full-text available
Technical products have an increasing variety of functions. This leads, on the one hand, to a continuously increasing product complexity. On the other hand, the actual development work also becomes more complex. Due to this fact, interdisciplinary and flexible development is becoming essential to maintain competitiveness. Project managers are incre...
Conference Paper
Full-text available
The use of agile methods can also be advantageous in the development of physical products, as pilot projects have shown so far. However, the transfer of agile methods to the entire organisation is difficult, due to the different, prevailing circumstances of the various development activities. We have therefore defined a new approach subdividing pro...
Conference Paper
Full-text available
While driving automated, the driver becomes a passenger and the relief from the driving task allows the occupants to use and enjoy their travel time for secondary activities. The subjective driving experience, perception of safety and the resulting trust are essential for the acceptance of automation. Within this contribution we provide an overview...
Chapter
Products can be assigned to a brand by their visual similarity. An important factor here is the shape of the products. Previous methods for determining similarity for brand affiliation can only be applied to products with the same layout. For products with different structures (e.g. power tools), no methods exist for the 3D shape. Here, there is a...
Chapter
Full-text available
The study deals with the actuation sounds of mechanical control elements (stimulus) and the hearing sensations elicited by these stimuli. The singular impulsive sound signals are described with the help of technical and psychoacoustic magnitudes. In addition, 133 participants assessed the auditory perceived quality of the very same control elements...
Article
Full-text available
The vehicle exterior design conveys a variety of visual information. Among these are the brand identity, assumed characteristics, and the vehicle's age or newness. While previous research focusses mainly on the first two attributes, we broaden the perspective by examining the age perception for vehicle model portfolios across brands. Information of...
Article
Full-text available
For the user perception of vehicles and consequently the success of automobile design, the body layout and especially the proportions of vehicles are pivotal. In the present study, the SAE main dimensions length (L108), wheelbase (L101), height (H100) and width (W103) of 697 vehicles from different OEMs were examined. The analysis reveals a tendenc...
Chapter
By having a similar appearance, products can be grouped together. This is used by brands to generate a common product origin. This paper investigates to what extent the ratings of similarity (high dissimilarity - high similarity) and more precisely brand affiliation (different brands - one brand) of product pairs differ. For this purpose, an online...
Conference Paper
Full-text available
In den vergangenen Jahren konnte eine sukzessive Zunahme der Anwendung agiler Methoden in der physischen Hardwareentwicklung wahrgenommen werden. Diese Anwendung erfolgte zuerst in Pilotprojekten. Derzeit findet die Ausweitung agiler Methoden im unternehmensweiten Sinne statt. Für eine organisationsweite Anwendung agiler Methoden existieren verschi...
Conference Paper
Full-text available
Safety and automation functions in vehicles require a large number of sensors today. They are used to detect environmental influences and control the respective driving function. Many of these sensors have to meet requirements regarding position and functional installation space, thus influencing the exterior design. With additional functions from...
Chapter
Future vehicle design is mainly driven by the technology changes and the results of this transformation. Automated driving in particular creates completely new potential for vehicle design solutions. But also, future mobility means shared mobility: The classic form of mobility known as individual transport is increasingly moving into the background...
Conference Paper
With visual similarity products can be assigned to a brand. The brand assignment based on shapes has only examined the contours (orientation, proportion and position) of selected elements so far. This paper investigates whether brand affiliation is also related to different surface types (curved and angular). For the investigation the vehicle front...
Chapter
Products can be assigned to a brand via their visual similarity. This paper analyzes and categorizes studies for brand-related similarity assessment. Four brand levels are defined (Historic Connection, Product Portfolio, Product Family and Competitor Brand). In addition, the product is divided into four substructures (Layout, Shape, Color and Graph...
Chapter
The individual driving style depends on different influences and is mainly affected by habitual manners, personal attributes and several external factors, such as the vehicle or traffic in general. The vehicle exterior, especially the design, is an essential part in both the vehicle in general and as one important customer requirement. Thus, it is...
Conference Paper
Globale Trends, wie steigende Individualisierung, sowie Forderungen nach ökologischer Nachhaltigkeit und daraus abgeleitete Sharing-Konzepte, steigern die Bedeutung flexibler und nut-zerzentrierter Produkte in der Automobilindustrie. Beispielsweise wird durch den globalen Trend der Individualisierung das Fahrzeug-Design zu einem der wichtigsten Kau...
Chapter
In the field of product development, the application of high-tech materials enables new concepts. Smart materials generate innovative products through controllable properties. An increasing number of research studies and first successful experiences in industrial use support the importance. Promising are above all shape memory alloys (SMAs), which...
Chapter
The combination of Shape Memory Alloys (SMAs) and Fused Deposition Modeling (FDM) is promising regarding individual and innovative products with controllable properties. The focus is on the intelligent integration of SMAs in FDM-manufactured parts or products. The objective is to establish a basis for a guideline regarding the interaction of SMAs a...
Chapter
The exterior and interior of products are often considered as independent systems in the development process. But both the interior and the exterior gestalt are of great relevance for the usage and perception of a product. As a consequence of technological advance, such as increased automation, the borders between exterior and interior are becoming...
Conference Paper
This study focuses on the semantic importance of the radiator grille of a vehicle. To this end, a methodological approach for grille categorization is presented. We generate vehicle front views with different grille designs and with various kinds of “no-grille designs” and use them for a detailed evaluation with test subjects. The results show a si...
Thesis
Full-text available
The design of a vehicle is defined by numerous functional relationships. One main aspect of this research study discusses the issue, how the vehicle exterior design is influenced by technical features. From a customer’s point of view the design of a vehicle is a very important product characteristic. This thesis considers the influence of technical...
Conference Paper
In der frühen Phase des Designprozesses werden zeichnerische bzw. digitale Fahrzeugabbildungen für die Bewertung neuer Fahr-zeugkonzepte eingesetzt. Zur Gestaltung eines effektiven und effizienten Prozesses ist es notwendig zu wissen, in welcher Weise die Art der Dar-stellung, d. h. letztlich der Abstraktionsgrad, die visuelle Wahrnehmung und somit...
Article
The arrangement of the battery in the vehicle offers possibilities of variation, which in addition to research on the battery cell may also provide contributions to the range problem. The Institute for Engineering Design and Industrial Design (IKTD), Research and Teaching Department Industrial Design, University of Stuttgart, developed new battery...
Article
Die Anordnung der Batterie im Fahrzeug bietet Variationsmöglichkeiten, die — neben der Forschung auf Zellebene — ebenfalls Beiträge zur Lösung der Reichweitenproblematik liefern können. Dieser Artikel stellt die aktuellen Entwicklungen dar und präsentiert am Forschungs- und Lehrgebiet Technisches Design des Instituts für Konstruktionstechnik und Te...
Article
The arrangement of the battery in the vehicle offers possibilities of variation, which in addition to research on the battery cell may also provide contributions to the range problem. The Institute for Engineering Design and Industrial Design (IKTD), Research and Teaching Department Industrial Design, University of Stuttgart, developed new battery...
Conference Paper
One of the main weak spots of common electric vehicles (EVs) is their low range. Many solutions are considered to solve this problem. Most approaches focus on the battery itself by using new material combinations. Another possibility is to rethink the battery concept completely. Beyond fixed batteries in the vehicle one idea utilizes the exchange o...
Patent
The wheel (1) has a brake (20) i.e. disk brake, arranged together with a wheel hub motor (10), where the wheel hub motor and the brake are cooled with cooling fluid i.e. cooling water. The cooling fluid is conducted through a brake caliper cooling passage of a brake caliper (25), a brake shoe cooling passage of a brake shoe or a brake disk cooling...
Conference Paper
This paper gives an answer to the question how a significant improvement in the individual-related vehicle design, specifically targeted on the vehicle users can be systematically achieved by means of a newly developed vehicle layout conception. In order to optimize the vehicles’ ergonomic characteristics, the occupants’ static basic postures as we...
Conference Paper
Full-text available
Nach einer Vorstellung der möglichen Batteriekonzepte für den Einsatz in einem Elektrofahrzeug, werden die Vor- und Nachteile aus Sicht des Nutzers analysiert.

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Projects

Projects (2)
Project
The purpose of the RUMBA project is to completely redesign the vehicle interior and ride experience for the occupants when the vehicle is in fully automated driving mode.
Project
In dem vom BMWI-geförderten Foschrungsprojekt RUMBA forschen wir an der Gestaltung zukünftiger Fahrzeuginnenräume für das hochautomatisierte Fahren (SAE L4). Das IKTD der Universität Stuttgart arbeitet zusammen mit verschiedenen Partnern (OEMs, Tier-One Suplier & KMUs) aus der Automobil-Branche und übernimmt die Leitung der Innenraumgestaltung. Weitere Infos: https://www.uni-stuttgart.de/universitaet/aktuelles/presseinfo/Fahrkomfort-beim-autonomen-Fahren/