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TrueTime: Real-time Control System Simulation with MATLAB/Simulink

Traditional control design using MATLAB/Simulink, often disregards the temporal effects arising fromthe actual implementation of the controllers. Nowadays, controllersare often implemented as tasks in a real-time kernel and communicatewith other nodes over a network. Consequently, the constraints of thetarget system, e.g., limited CPU speed and network bandwidth, must betaken into account at desig

To the Rhythm of Shopping: On Rhythmic and Territorial Stabilisations of Public Space in Urban Retail Environments

This article deals with the impact of certain retail strategies on urban life. More specifically it deals with two recent tendencies of the retail environment: (a) spatial homogenisation and clustering of retail into large areas or territories, and (b) the synchronisations of retail with different kinds of public activities and events. For the last decades, retail areas have tended to grow larger

Observer Synthesis for Switched Discrete-Time Linear Systems using Relaxed Dynamic Programming

In this paper, state estimation for Switched Discrete-Time Linear Systems is performed using relaxed dynamic programming. Taking the Bayesian point of view, the estimation problem is transformed into an infinite dimension al optimization problem. The optimization problem is then solved using relaxed dynamic programming. The estimate of both the mode and the continuous state can then be computed fr

Sum rules and constraints on passive systems with applications in electromagnetics

A passive system is one that cannot produce energy, a property that naturally poses constraints on the system. In this paper there is a review of some results on linear, time translational invariant, continuous, causal and passive systems, where it turns out that Herglotz functions are related to the Fourier transform of the impulse response of such systems. Some well known facts of this function