Doug Hwal Lee

Papers

Total Citations

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About

Doug Hwal Lee is a researcher whose work bridges the fields of robotics, positioning systems, and sensor fusion. His most-cited paper, "Performance analysis of UPS (ultrasonic positioning system) using DGPS," published in 2005, explores the integration of differential GPS (DGPS) with ultrasonic positioning systems (UPS) to enhance the absolute localization of mobile robots. This study demonstrates that while DGPS provides high-precision satellite-based positioning, UPS—a low-cost alternative using ultrasonic waves—can achieve competitive accuracy, making it a viable option for cost-sensitive robotic applications. Lee’s contribution lies in systematically benchmarking UPS performance against DGPS, offering a practical framework for deploying affordable yet reliable positioning solutions. With 2 citations, this work has informed subsequent research in indoor and outdoor robot navigation. Lee’s research underscores a commitment to making advanced positioning technology accessible, particularly for low-budget projects. His findings remain relevant for engineers and students developing autonomous systems where cost and precision must be balanced.