Modeljuvannja ta optymizacija rezhymiv ruhu vantazhopidjomnyh mashyn i mehanizmiv u procesi pusku/galmuvannja za kryterijem minimumu pytomoi energii. II

Abstract

The model is substantiated and dynamic optimization of the modes of movement of load-lifting machines and mechanisms in the processes of their braking on the criterion of the minimum of specific energy is realized. The use of the standard method and the scheme of calculating the swinging fluctuations of the load on the ropes of the bridge crane on the model of a two-mass system allows us to establish, on the basis of the specified power-strength criterion, the basic parameters of the modes of movement of bridge cranes, which satisfy certain qualities (minimize their energy characteristics), as well as determine the duration of transients (inhibition cranes to their full stop) for optimal modes of operation of cranes of different design and purpose). The realized approach to dynamic optimization of the modes of movement of load-lifting machines and mechanisms can be further used in the design, construction and real operation of mechatronic control systems by these machines and mechanisms that can provide tracking of all kinematic as well as power-supply parameters of the mechanical system in the processes of its braking for specified a criterion that will inevitably lead to the possibility of functioning of such a system in the energy-saving mode. The results obtained in the work can be used to clarify and improve the existing engineering methods of calculating load-lifting machines and mechanisms which are functioning in the following typical modes: start, reversal, instantaneous braking (stops), both at the stages of their design, construction, and in energy-saving modes of real operation.