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Woven piezoelectric sensors as part of the textile reinforcement of fiber reinforced plastics
(2019)
Sensor integration in fiber reinforced plastic (FRP) structures enables online process and structural health monitoring (SHM). This paper describes the development and application of woven fabric-based piezoelectric impact and bending sensors for integration into FRP. The work focuses on design and characterization of woven piezoelectric sensors, especially as a part of the reinforcement structure. The reinforcement of the component acts as a sensor in itself and therefore no additional external objects in the form of sensor components or sensor fibers, which could create unwanted weak points within the FRP, are added. The bending test results reveal a direct relationship between the applied load and the sensor signal. Furthermore, the appropriate sensor position in the component cross section was determined and the influence of thermal polarization on the sensor properties was investigated.
Im Forschungsprojekt "Innovative Methoden für die teilnehmerorientierte Schulungsentwicklung in der beruflichen Weiterbildung" wurden die Prinzipien des Design Thinkings und der nutzerzentrierten Produktentwicklung auf die Konzeption von Veranstaltungen der beruflichen Weiterbildung transferiert. In zwei Vergleichsgruppen mit Schulungsteilnehmenden eines Industriepartners und eines öffentlich-rechtlichen Anbieters konnte aufgezeigt werden, dass es möglich ist, Weiterbildungsveranstaltungen mit Methoden des Design Thinkings zu erforschen und weiterzuentwickeln und damit die User Experience - das Nutzererleben der Teilnehmenden - positiv zu beeinflussen.
Was ist Unternehmenskultur?
(2010)
Jeder weiß, dass die Textil- und Bekleidungsindustrie ein Nachhaltigkeitsproblem hat und es neuer Lösungsansätze bedarf. Auch Konsumenten und deren Verhalten haben einen entscheidenden Einfluss auf die Erfolgsaussichten einer nachhaltigen Entwicklung. Welche Rolle und Bedeutung obliegt jedoch dem einzelnen Mitarbeiter in diesem Prozess? Und welche Handlungsmaßnahmen können daraus abgeleitet werden? Eine empirische Analyse von über 100 internationalen Bekleidungsunternehmen gibt Aufschluss.
In addition to increased safety by detecting possible overload, continuous component monitoring by sensor integration makes the use of fiber reinforced plastics more cost-effective. Since the components are continuously monitored, one can switch from time-based to condition-based maintenance. However, the integration of conventional sensor components causes weak points, as foreign objects are inserted into the reinforcing structure. In this paper, we examine the use of the textile reinforcement as a sensor in itself. We describe how bending sensors can be formed by slightly modifying in the composite’s reinforcement structure. We investigated two different sensor principles. (1) The integration of textile plate capacitors into the structure; (2) The construction of textile piezo elements as part of the reinforcing structure. The bending test results reveal that textile plate capacitors show a load-dependent signal output. The samples with textile piezo elements show a significant increase in signal strength.
Purpose: This paper is to show what sustainable fashion is and how it has developed in recent years. Also the paper discusses which factors are important in order to be sustainable. Above all, it's about customers who show a lot interest in sustainable fashion. Child labor, working conditions, poor quality and poisonous substances are stricty rejected by these consumers. Amazingly, fashion companies that repeatedly hit the headlines with bad properties are very successful. It's about the sustainable oxymoron, the act and want of the consumer.
Findings: It is difficult to be sustainable. The reasons for that are the consumption, not much transparency in textile chains, fast fashion and much more. It's almost impossible for a product to achieve the 100 percent sustainability. On one hand the consumers want to have sustainable products, on the other hand they purchase for newness and cheap clothes. It has become clear that they buy in a conflict.
The fashion industry is well documented for causing significant environmental impact. Product-service systems (PSS) present a promising way to solve this challenge. PSS shift the focus toward complementary service offers, which decouples customer satisfaction from material consumption and entails dematerialization. However, PSS are not ecoefficient by nature but need to be accompanied by corporate environmental management (CEM) practices. The objective of this article is to examine the potential of PSS to contribute to the environmental sustainability of today's fashion industry by investigating if fashion firms with a positive attitude toward PSS implementation also pursue goals related to the ecological environment. For this purpose, analysis of variance (ANOVA) is conducted to analyze data of 102 fashion firms. Results reveal that the diffusion of PSS in today's fashion industry is low and few firms consider implementing PSS. Results, furthermore, demonstrate that PSS implementation is positively related to CEM. This indicates that existing structures of CEM favor PSS implementation and unlock the eco-efficient potential of implemented PSS in the fashion industry.
Purpose: The purpose of this paper is to analyze if the practice of emotional fashion advertising has ethical dimensions, which must be considered by the companies using those advertising approaches in order to adhere to their general ethical and social responsibility.
Findings: First it was shown that companies have a social and hence ethical responsibility toward the society they operate in and that this responsibility includes their marketing and advertising activities. Furthermore it was examined how emotional advertising works in order to analyze this practice from an ethical point of view. It was shown that an emotional advertising approach can have negative effects on consumers and therefore could jeopardize a company's ethical responsibility.
Das vorliegende Taschenbuch fasst die bekannten Berechnungsformeln und Erkenntnisse aus der betrieblichen Praxis und aus wissenschaftlichen Untersuchungen im Bereich des Weberei-Vorwerks und der Weberei zusammen. Die bei der Gewebeherstellung notwendigen Entscheidungsprozesse sollen damit erleichtert werden.
Mit dieser Formelsammlung lassen sich jedoch nicht nur die optimalen Fertigungsvorschriften für Gewebe praxisgerecht erstellen, sondern auch die wichtigsten technischen und physikalischen Grundlagen des Fabrikbetriebs werden in der gebotenen Kürze dargestellt.