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Simulation von Laserscannern in Pflanzenbeständen für die Entwicklung umfeldbasierter Funktionen
(2018)
Es werden drei Modellierungsansätze zur Simulation von Laserscannern in Pflanzenbeständen für die Entwicklung umfeldbasierter Fahrzeugfunktionen beschrieben. Das Sensorsignal der Distanzmessung wird dabei anhand realer Messwerte oder phänomenologisch und auf der Basis empirisch ermittelter Kennwerte in Abhängigkeit von objekt- und sensorspezifischen Einflussfaktoren abgebildet. Basierend auf den Methoden zur Simulation von Distanzmesssystemen der Open Source Simulationsumgebung Gazebo wurden die Modellierungsansätze als spezifische Sensor- und Umfeldmodelle implementiert. Die Modelle wurden insbesondere für den Einsatz an mobilen landwirtschaftlichen Arbeitsmaschinen und für die Anwendung in der Getreideernte optimiert.
Regionaler Hochwasserschutz
(2018)
Mehrere Hochwasserereignisse haben in den letzten Jahren zu erheblichen Vermögensschäden in der Region Osnabrück / Emsland geführt. Studien zur Klimaforschung prognostizieren eine Zunahme der Hochwassergefahren. Wie ist der Stand des regionalen Hochwasserschutzes nach den Erfahrungen aus dem Ereignis 2010? Welche Vorsorgemaßnahmen wurden getroffen und wo besteht noch Handlungsbedarf?
Die Tagung bietet einen Überblick über die aktuelle Situation des regionalen Hochwasserschutzes mit Vorträgen und Einschätzungen ausgewiesener Fachleute aus den Blickwinkeln der
• genehmigenden Behörden
• kommunalen Verantwortungsträger
• planenden Ingenieure
• Unterhaltungsverbände.
This paper introduces and empirically illustrates a pedagogical approach to teaching Public Relations (PR) in higher education. The approach is based on the Communities of Practice theory (Wenger, 1998). Based on this theory and for the purposes of this paper, learning is perceived as (1) a participation in a practice of (2) a social community and (3) the understanding of this practice. The pedagogical approach to teaching PR entails the facilitation of these three elements. The approach is illustrated through a case study. The authors conducted an international undergraduate course to teach students how to conduct a social media campaign to raise engagement for social issues. Twenty students from Netherlands and Germany enrolled. The paper offers an integrated understanding of theory and practice (see Wenger, 1998, p. 48). It contrasts many current approaches in PR education, which tend to differentiate between PR theory and practice. PR educators are encouraged to facilitate an equal negotiation between theory and practice and to enable students to match whatever is theorised with practice and whatever is practiced with theory.
A successful integration of migrants in the labour market and in the organisations is getting more important based on demographic changes. The central aim of the investigation is to deal with problem fields of the Human Resource Management, which arise by demographic changes regarding migration. Therefore, an explorative qualitative study with human resource managers and diversity representatives of the large DAX companies was conducted. The views of leaders and employees with and without an immigration background regarding diversity potentials in organisation are compared in this study. The results indicate that diversity is important for organisation. Employees have recognised the importance of diversity. Managers have not recognised the seriousness and urgency of cultural diversity and diversity actions. Human resource managers are not able to assess the additional stress of migrants correctly and to consider them in their day-to-day management and diversity actions.
Background: Muscle fatigue has been reported as a risk factor for the
development of performance-related musculoskeletal disorders (PRMD) in
musicians. However, little research exists to support this claim. The aim of
this study was to investigate whether changes occur in muscle activity
patterns during high string performance over a prolonged playing period, and
whether this is influenced by PRMD.
Methods: High string musicians were divided into a PRMD and a non-PRMD
group. They played a chromatic scale pre and post and a self-chosen “hard”
(Borg scale 16-17) piece of music for one hour. Electromyography data
recorded from arm, shoulder and trunk muscles was analyzed: the amplitude
to measure muscle activity characteristics and the lower frequency to
measure muscle fatigue. Differences between and within groups and the
frequency spectrum were analyzed using linear mixed models.
Results: Fifteen musicians participated (7 PRMD: 22.8 years, 2 male/5 female
and 8 non-PRMD: 34.3 years, 2 male/6 female). Changes in muscle activation
patterns were observed between and within both groups, however changes
varied significantly depending on group affiliation. Significant low frequency
spectrum changes between groups were observed in overall muscles of the
right arm (p=0.04) and left forearm flexors (p=0.05) following one hour of
playing.
Conclusions: Muscle activity and frequency spectrum shifts differ in high
string musicians with and without PRMD, suggesting possible differential
muscle fatigue effects between the groups.
This study investigates how microenterprises in Ethical Fashion (EF) retail adopt and make use of social media. Drawing on an explorative case study, supplemented by an action research approach, we first examine the antecedents of a successful Adoption based on the Technology-Organization-Environment (TOE) framework. Subsequently, we shed light on the benefits and drawbacks of social media adoption for the three microenterprises of our case study on the operational and the strategical level. More particularly, we present how they improve value creation through the employment of social media in their value networks and how they overcome the lack of a sophisticated IT infrastructure. Finally, we investigate the reluctance of the three microenterprises to adopt inter-organizational information systems. The findings of our study also reveal a halo effect in the adoption process that may mislead the adopting organization.
This paper introduces ideas to reduce talent scarcity by binding female talent in India. As a theoretical lens Neo-Institutionalism in the Indian context is combined with the family-relatedness of work decision model. The qualitative research design and first results as well as propositions for companies are included.
Introduction:
Due to demographic change and lack of health care personnel new solutions like preventive home visits (PHV) are necessary. PHV reduces the risk of long-term care and therefore, enables older people to live in their home as long as possible.
Aim of the study:
The aim of this study is to analyse the acceptance of PHV and the effect of PHV on health status of the older people.
Methods:
In this mixed method study PHV as a nursing intervention will be offered to people older than 65 years, not yet eligible for benefits from the long-term care insurance and living in Emlichheim, a region in the northwestern part of Lower Saxony. A sample of 75 people is determined. The health status will be recorded with the Short Form 12 questionnaire. Fifteen semi-structured interviews will be performed to investigate acceptance of the PHV intervention. Quantitative data will be analysed using inferential statistics, qualitative data will be analysed using content analysis. Ethical approval has been obtained.
Results:
It is expected that the findings of this study complete current knowledge about the concept of PHV.
Practical relevance:
This study is of high practical relevance, because additional insights of acceptance might enable the adaption of the PHV concept. Furthermore, increased knowledge and motivation for preventive behaviour of the older people is anticipated in order to extend their autonomy. The results of this study could contribute to the implementation of PHV in Germany, especially in rural areas. It tends to allow a self-determined life in their familiar environment for the older people, as the biggest need of this group.