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Modelling Aspects of Wastewater Treatment Processes

Wastewater treatment processes are inherently dynamic because of the large variations in the influent wastewater flow rate, concentration and composition. Moreover, these variations are to a large extent not possible to control. The adaptive behaviour of the involved microorganisms imposes further difficulties in terms of time-varying process parameters. Mathematical models and computer simulation

On the dual of Lyapunov's second theorem

A stability criterion for nonlinear systems is presented and can be viewed as a dual to Lyapunov's second theorem. The criterion has a physical interpretation in terms of the stationary density of a substance that is generated in all points of the state space and flows along the system trajectories. If the stationary density is finite everywhere except at a singularity in the origin, then the syst

Mass Dictatorship and Modernity

Abstract in Undetermined Mass Dictatorship and Modernity is the second volume in the ‘mass dictatorship’ series launched by Hanyang University's Research Institute of Comparative History and Culture and published by Palgrave. As a transnational academic research venture, the volume interrogates mass dictatorship in a broad historical context by focusing on the formation of modernity through intera

A signal model adapted ESPRIT algorithm for joint estimation of spatial and temporal parameters in vibrational analysis of cylinders

This paper deals with the joint estimation of spatial mode shapes and temporal frequencies from transient vibrations measured by a uniform circular array of sensors encircling a cross-section of a cylinder. The geometry allows each 2D mode to be interpreted as two real planar waves impinging from mirrored directions with respect to the broadside of a uniform linear array. Algorithms for joint esti

From Husserl to Ihde and Beyond - Some Evolutionary Lines in Contemporary Philosophy of Technology

My paper is the introduction to my next book in the series 'The humanist as Engineer'. In my work, I have been deeply influenced by Don Ihde and his postphenomenological approach to the philosophy of technology. As Ihde’s postphenomenology, my approach is historical and differs strongly from the 'pure' phenomenological approach in spite of being connected with it through many common references. In