Tomy Sebastian

About

Tomy Sebastian is a prominent researcher specializing in permanent-magnet (PM) motor design, with a particular focus on cogging torque reduction and the practical challenges of manufacturing electric motors at scale. His work sits at the critical intersection of theoretical electromagnetic design and real-world production engineering, addressing a problem that has long frustrated motor manufacturers: the gap between laboratory-proven techniques and what actually works on the factory floor. Sebastian's most influential contribution, "Issues in Reducing the Cogging Torque of Mass-Produced Permanent-Magnet Brushless DC Motors" (2004), has accumulated an impressive 263 citations, establishing him as a key authority on the subject. The paper systematically evaluates cogging torque reduction techniques under realistic manufacturing tolerances and variations — a perspective that proved invaluable to both researchers and industry practitioners. Building on this foundation, his subsequent work introduced a robust design methodology specifically engineered to maintain cogging torque minimization despite inevitable production variabilities, findings disseminated across multiple publications including a widely-cited 2011 study with 72 citations. Sebastian's research has direct applications in precision tooling, robotics, and other low-torque-ripple systems, making his contributions particularly meaningful for engineers designing next-generation motion control systems. His sustained focus on bridging design theory with manufacturing reality reflects a rare and valuable engineering perspective.

Research Focus

Key Achievements

Top Papers

1. 1
   Issues in Reducing the Cogging Torque of Mass-Produced Permanent-Magnet Brushless DC Motor

   263 citations · 2004
2. 2
   Cogging Torque Minimization in PM Motors Using Robust Design Approach

   72 citations · 2011
3. 3
   Cogging torque minimization in PM motors using robust design approach

   6 citations · 2010

Key Collaborators

Contact & Links