Abstract
The article considers various types of leg prosthesises with active damping based on pneumatic, hydraulic and electric drives. For each type of drive used, its advantages and disadvantages, features of design solutions were described with the aim of further selecting a prototype from existing knee modules of leading manufacturers to develop a domestic solution with characteristics and functionality not inferior to the best world samples. The article considers not only various design and circuit solutions, but also pays attention to the analysis of the applied control algorithms of leg prosthesises, allowing to implement various convenient options, for example, protection against tripping, ascent and descent on uneven surfaces, energy saving and energy recovery systems.
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