Li‐Chun Lai

About

Li-Chun Lai is a robotics researcher whose work centers on mobile robot navigation, localization, and motion planning in unknown environments. With a career spanning the mid-2000s through the 2010s, Lai has made consistent contributions to the development of intelligent control strategies that enable autonomous robots to operate reliably without prior environmental knowledge. Among Lai's most notable contributions is the application of fuzzy logic algorithms for navigation in completely unknown environments, equipping robots with ultrasonic sensors and electronic compasses to interpret surroundings in real time. Complementing this, Lai pioneered potential field methods for obstacle avoidance, providing mathematically grounded approaches to path planning. A recurring theme across Lai's research is sensor fusion — combining GPS, laser range finders, optical encoders, and vision systems to achieve accurate self-localization, including sophisticated three-dimensional positioning solutions. Lai also advanced optimization-based control, applying Particle Swarm Optimization (PSO) to both PID controller design and position estimation, demonstrating versatility across algorithmic paradigms. Work on omni-directional robots further highlighted Lai's interest in time-optimal motion control. While citation counts remain modest — with top papers garnering around 12 citations — Lai's body of work represents a thorough and technically rigorous contribution to foundational mobile robotics research, offering practical solutions with real-world implementation potential.

Research Focus

Key Achievements

Top Papers

1. 1
   A Fuzzy Algorithm for Navigation of Mobile Robots in Unknown Environments

   12 citations · 2005
2. 2
   A potential field method for robot motion planning in unknown environments

   12 citations · 2007
3. 3
   A PSO method for optimal design of PID controller in motion planning of a mobile robot

   11 citations · 2013
4. 4
   Navigation of a mobile robot in outdoor environments

   8 citations · 2005
5. 5
   Kinematic Control of Omni-directional Robots for Time-optimal Movement between Two Configurations

   7 citations · 2007
6. 6
   Position estimation of a mobile robot by PSO algorithm using a laser range finder

   3 citations · 2011
7. 7
   Time-Optimal Control of an Omni-Directional Mobile Robot

   3 citations · 2006
8. 8
   A vision-based method for localization of mobile robots

   2 citations · 2007
9. 9
   An Active System for Three-Dimensional Localization of Mobile Robots

   2 citations · 2005
10. 10
    A nonlinear programming method for 3D localization of mobile robots

    2 citations · 2006

Key Collaborators

Contact & Links