Ken-ichi Kudoh

Papers

Total Citations

120

H-Index

About

Ken-ichi Kudoh is a pioneering figure in precision micro-robotics and piezoelectric actuation. His research focuses on developing innovative mechanisms that harness rapid deformations of piezoelectric elements to achieve ultra-fine motion control. Kudoh’s major contribution lies in the creation of a driving method that exploits friction and inertial forces, enabling precise positioning without complex gearing or bulky motors. His seminal 2002 work, "Precise positioning mechanism utilizing rapid deformations of piezoelectric elements," has garnered 109 citations, underscoring its influence on micro-manipulation and nano-positioning technologies. In this design, a simple assembly of a main object, a piezoelectric element, and a weight on a guiding surface achieves remarkable linear motion accuracy. Earlier, in 1991, Kudoh introduced a "Micro robot arm utilizing rapid deformations of piezoelectric elements," which, despite 11 citations, laid foundational concepts for compact, high-precision robotic limbs. His work has significantly impacted fields like semiconductor manufacturing, biomedical device assembly, and optical alignment, where sub-micrometer precision is critical. Kudoh’s elegant, minimalist approach to micro-mechanisms continues to inspire researchers seeking efficient, scalable solutions for advanced automation and robotics.