Review of the Present State, Development Trends, and Advancements of Power Electronic Converters Used in Robotics

Valery Vodovozov () and Zoja Raud
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Valery Vodovozov: Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia
Zoja Raud: Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, 19086 Tallinn, Estonia

Energies, 2025, vol. 18, issue 10, 1-36

Abstract: This review aims to help researchers, designers, and engineering staff extend operational times and elevate robots’ efficiency. The study represents an up-to-date summary of power electronic converters, their classification, and solutions found by leading robot manufacturers. While some advances have not yet become commonplace in mainstream robotics, their crucial role and promise are evident for expanding automation capabilities in various stationary and mobile applications. The work demonstrates two interconnected directions that are currently applied or are planned to be employed in the future as key factors contributing to reducing losses and accelerating energy transformation. The former direction relates to the implementation of wide bandgap devices that are superior to silicon-based electronics. The second trend concerns the advancements of converter topologies. In this way, the article presents how rectifiers, inverters, and their combinations provide voltage control, current management, and waveform shaping, thereby revealing their potential in improving energy utilisation in industry, transport, agriculture, households, and other sectors of vital activity.

Keywords: energy; robotics; power electronic converters; supply systems (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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