Max Robotics — Global Service Robot Directory + US Certification

About

Glenn R. Widmann has built a distinguished research career centered on robotic control systems, with particular expertise in joint flexibility, force control, and nonlinear dynamics in manipulator systems. His work spans more than two decades, addressing some of the most persistent practical challenges in industrial robotics. Widmann's most influential contribution, "Control of industrial robots with flexible joints" (2005, 32 citations), introduced a lumped-parameter dynamic model that illuminated how structural flexibilities degrade end-effector positioning precision — a fundamental concern in high-performance manufacturing environments. Complementing this, his 1995 paper on force commanded impedance control (28 citations) advanced a hybrid control scheme that demonstrated measurably improved performance in the presence of hardware nonlinearities, offering roboticists a more robust framework for compliant manipulation tasks. A recurring theme throughout his career is the rigorous treatment of real-world nonlinearities — including friction, control signal saturation, and sampled-data effects — that theoretical models often overlook. His investigations into friction compensation and variable structure control reflect a commitment to bridging the gap between idealized control theory and practical deployment. Work on flexible manipulator control under changing payloads further underscores his interest in adaptive, robust strategies for uncertain environments. With over 90 cumulative citations, Widmann's research remains a valuable reference for engineers and scholars working at the intersection of dynamics and precision robotic control.