Abstract
The work objective is to prove the possibility of expanding the scope of using hydraulic drive in machines and mechanisms of small and medium power.
 The problem to which the paper is devoted. Reduction of weight and size parameters of hydraulic machines.
 Research methods. The problems were solved on the basis of the electrohydraulic analogy method. 
 The novelty of the work. It consists in finding the possibility of replacing complex, large-sized and massive distributors with the simplest hydraulic elements - valves (distributors 2/2)
 Study results. The conducted studies confirm the possibility to simplify hydraulic circuits significantly, to reduce weight and size parameters and increase the reliability of hydraulic machines.
 Conclusions. Taking into account the general principles of electric and hydraulic drives operation and using the method of electrohydraulic analogy, it is advisable to make hydraulic drive control systems by analogy with electric drives, based on the simplest elements of the valve type (hydraulic distributor 2/2).
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