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This paper presents an innovative dry friction model describing the Coulomb and Striebeck effects on a mechanical system. This model has the particularity of relying not only on the mechanical system velocity but also on its driving force. A compensation control structure providing feedback linearization is derived from the said model, with an additional adaptive control scheme guaranteeing efficient...
Overload processes in a transport unit as objects for modeling are considered. Problems of optimal control for different overload variants are possible to be solved by this way. Random character of processes taking place in infra-structures of a transport unit gives ability to consider their models as probabilistic ones and to relate them to the queuing models.
Supercritical-pressure coal-burning unit has lower coal-consumption & polluter and higher technology advantage, but it also have non-linear and multi-coupling issues in process control. A practical mathematic model was presented in this paper in order to analyze the controlled object. Combined the simulation data and the real unit operating data several times, the model was modified to a higher...
The load flow has a stochastic character due to the high penetration of renewable generation, especially wind power. Nowadays about 50 GW of wind power is installed in the UCTE power system. This causes difficulties especially in the optimal operation of the system and can lead to black outs due to problems with energy flow which is often not produced according to demand. An example occurred on November...
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