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About

P. L. Teoh is a robotics and precision measurement researcher whose work has made significant contributions to the field of laser interferometry-based sensing and its application in robotic systems. Teoh's primary research focus lies at the intersection of high-precision positioning, robot calibration, and advanced sensing technologies, with particular emphasis on developing robust methodologies for tracking and guiding robotic manipulators with exceptional accuracy. Among Teoh's most influential contributions is a laser interferometry-based guidance methodology for high-precision positioning of mechanisms and robots (2009), which has garnered 98 citations, establishing it as a landmark reference in the field. Complementing this, their earlier work on measurement uncertainties within laser interferometry-based sensing techniques (2002) has accumulated 96 citations, reflecting its enduring relevance to researchers tackling precision measurement challenges. These two works alone underscore Teoh's expertise in characterizing and mitigating errors in complex measurement systems. Teoh's broader portfolio also addresses practical industrial challenges, including automated robotic fettling for casting finishing processes and predictive control strategies for laser tracking — demonstrating a valuable bridge between theoretical sensing innovation and real-world manufacturing applications. Their sustained focus on end-effector position and orientation measurement has helped lay foundational groundwork for modern robot calibration practices.