H. Nolzen

Papers

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About

H. Nolzen’s research centers on robotics, specifically motion planning and collision avoidance for articulated manipulators. His major contribution lies in developing a computationally efficient, collision-free path planning algorithm for robots with six rotational degrees of freedom—a notoriously complex problem in automation. His 1991 German-language paper on this topic (5 citations) laid foundational groundwork. Nolzen’s most influential work, “Local motion planning avoiding obstacles with dual quaternions” (2003, 13 citations), introduced an elegant algebraic approach: modeling robot-environment interactions as “virtual contacts” represented by simple manifolds within dual quaternion space. This innovation allows the planner to automatically generate obstacle-avoiding trajectories without exhaustive geometric calculations, significantly reducing computational overhead. By bridging dual quaternion theory with practical collision avoidance, Nolzen provided a compact, mathematically rigorous framework that remains relevant for modern robotic applications requiring real-time motion planning in cluttered environments. His work is particularly valued by researchers seeking efficient, singularity-free solutions for industrial manipulators and autonomous systems.