The Cassini-Huygens Cosmic Dust Analyzer (CDA) is intended to provide direct observations of dust grains with masses between 10 −19 and 10 −9 kg in interplanetary space and in the jovian and saturnian systems, to investigate their physical, chemical and dynamical properties as functions of the distances to the Sun, to Jupiter and to Saturn and its satellites and rings, to study their interaction with the saturnian rings, satellites and magnetosphere. Chemical composition of interplanetary meteoroids will be compared with asteroidal and cometary dust, as well as with Saturn dust, ejecta

There is no engineering of successful systems without any changes; they are the rule and not the exception in product development. To uncover the problems, rationales and goals associated with changes during the life cycle of a system, an exploratory case study in German industry was conducted. Causes and reasons for changes are described, as well as five strategies to cope with changes and the related methods. One example will show how to successfully prevent and front-load changes. Though the preferred strategies to cope with changes are prevention and front-loading, it is concluded that, in today's dynamic business environments, changes are necessary to stay competitive. Therefore, it is proposed to make late changes cost-efficient by implementing changeability within system architectures. Managing changes has to be understood as a major practice for developing successful systems.

No abstract

No abstract

No abstract

In this paper, a comprehensive systems modeling approach is introduced, that is intended to embrace, structure, model, and interrelate information that is considered to be essential for product development systems. In order to achieve an integrated development of products, processes, organizations, and goals, the use of the ZOPH method is proposed. It applies one consistent modeling language to the entire development system (and its environment). Therefore, the resulting ZOPH-Model supports an easy generation and handling of interfaces and interrelationships, which is crucial for the successful management of increasingly complex systems.

No abstract

No abstract