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Interactive Real-Time Control Labs with TrueTime and Easy Java Simulations

This paper presents the development of interactive real-time labs using TrueTime and Easy Java Simulations. TrueTime is a freeware Matlab/Simulink based tool to simulate real-time control systems, and Easy Java Simulations allows rapid creation of interactive simulations in Java. Authors can use TrueTime to develop the simulations of a real-time control system, and then move to Easy Java Simulatio

Beta-decay properties of the neutron-rich 94-99Kr and 142-147Xe isotopes

Beta-decay half-lives and delayed-neutron emission probabilities of the neutron-rich noble-gas isotopes 94-99Kr and 142-147Xe have been measured at the PSB-ISOLDE facility at CERN. The results are compared to QRPA shell-model predictions and are used in dynamic calculations of r-process abundances of Kr and Xe isotopes.

Smooth blending of nonlinear controllers using density functions

A new convergence criterion for nonlinear systems was recently derived by the first author. The criterion is similar to Lyapunov’s second theorem but differs in several respects. In particular, it has a remarkable convexity property in the context of control synthesis. While the set of control Lyapunov functions for a given system may not even be connected, the corresponding set of “density” funct

Document use in software development: a qualitative survey

Software engineering consists to a large extent of management of information. A qualitative survey on information management in software development companies has been conducted. The survey studies how the companies work with different kinds of documents, which notations are used, quality of the documents etc. The focus is on high-level documents, such as requirements specifications and system tes