Abstract
A generalized mathematical model of a combined electric drive of a dynamic advertising structure taking into account the impact of dynamic wind load is proposed. A plane model of wind forcing is considered and the edge of the prism of a dynamic advertising structure is approximated by a swing with moving load, the mass–dynamic characteristics of which are proportional to the moment of resistance of electric drive. The principles of regulation of a combined electric drive for the modes of positioning and changing prism sides and for tracking and emergency modes. To stabilize electric drive motion under conditions of high dynamic parameters of operating element motion, which are caused by instability of wind load, a digital model of an intellectual control system by combined electric drive with a fuzzy controller was developed that makes it possible to use an approximate signal adaptation with an additional control signal that is applied to the input of the circuit of the digital model of a combined electric drive and has a corrective effect on changes in the electric drive moment. Simulation of intelligent control systems with a certain adjustment of a fuzzy controller revealed a high quality of electric drive regulation under the conditions of an effect of dynamic wind load.
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