Romasevich Y. Dynamical optimization of load-lifting machines mechanisms as mechatronic systems

The scientific-applied problem of efficiency increasing of load-lifting machines mechanisms has been solved in the thesis. It has been solved at the expense of optimization theirs movement modes and realization of optimal control with mechatronic products. The degree of crane elements loading and energetic efficiency of crane drives of rheostatic and frequency control have been detected on basis of dynamical and energy analyses of movement and load-lifting crane mechanisms. For decreasing of ascertained unwanted factors the statement and analysis of crane mechanisms (movement and load-lifting) regimes optimization have been done. The optimal regimes in form of program control and feedback form have been found. The constrains, which acting in crane drive mechanisms, have been analyzed and found method for its consideration. The optimal control efficiency of mechanisms of crane movement and lifting a load has been stated by experimental way. It decreases dynamical loads in rope, suppresses load oscillation, decreases crane bridge oscillation. The optimal control realizing has been carried out with inverters. Economical efficiency has been calculated. It based on increasing of crane hardware longevity and decreasing of energy consumption by crane drives.