Shunji Mohri

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About

Shunji Mohri’s pioneering work in robotics has fundamentally shaped how articulated robots achieve precision in real-world applications. His key research areas include robot kinematics, structural error correction, and absolute positioning accuracy—critical for industrial automation and advanced manufacturing. Mohri’s major contribution, detailed in his highly cited 1985 paper “A Method to Correct Structural Errors in Articulated Robots,” introduced a systematic approach to identifying and compensating for deviations between a robot’s designed and actual parameters. These structural errors, arising from assembly tolerances, significantly degrade absolute positioning accuracy. By categorizing error types and proposing corrective algorithms, Mohri provided a foundational framework that enabled robots to perform tasks requiring high precision, such as assembly and machining. With 6 citations, this work remains a touchstone for researchers tackling calibration and accuracy in robotics. Mohri’s insights have influenced subsequent developments in robot self-diagnosis and adaptive control, making him a respected figure in the field. For students and engineers, his research underscores the importance of bridging theoretical design with practical performance, offering timeless lessons in precision engineering.