In the paper is delivered solution in the electronic circuit for optimizing the work of diesel engines at drillingudmachines for prepare drill holes for primary blasting. in the open pit mines. Task of the electronic circuit is toudensure operation of diesel engines depending of the load according to the principles of operation dieseludengine. With the decision of the circuit for optimization obtain engines to work with power against current load,udand the role of the operator minimizes. The methodology for development of the solution is based of computerudsimulations and measurements.udElectronic circuit which is given in the paper is part of an electronic system for management with functions ofudthis types of drilling machines. With designed solution is achieved optimal balance between basic mechanicaludstructure of the machines and its overall management.
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