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Hybrid models of hydraulic systems for hardware-in-the-loop simulation. Part 1:...
J. A. Ferreira; F. Gomes Almeida; M. R. Quintas; J. P. Estima de OliveiraPhysical modelling of hydraulic systems results in systems of differential and algebraic equations (DAEs) that are normally stiff. This is because they often include multiple temporal scales and present complex and non-linear behaviour. The simulation of these stiff DAEs in real time demands small time steps, in order to achieve algorithm stability, because explicit fixed step solvers are usually applied. Model...
Hybrid models of hydraulic systems for hardware-in-the-loop simulation. Part 2:...
J. A. Ferreira; F. Gomes Almeida; M. R. Quintas; J. P. Estima de OliveiraThe use of new control schemes for hydraulic systems has been the object of study during the last few years. A simulated environment is the cheapest and fastest way of evaluating the relative merits of different control schemes for a given application. Real-time simulation allows parametrization and test of the performance of real controllers. This paper describes the set-up of a real-time simulation platform t...
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