Dikai Liu

About

Dikai Liu is a prominent robotics and autonomous systems researcher whose work spans robot autonomy, human-robot interaction, path planning, and assistive technologies. Based at the University of Technology Sydney, Liu has made significant contributions to the development of intelligent robotic systems for real-world applications, including bridge maintenance, rehabilitation, and mobility assistance. His most-cited work, published in the *Journal of Intelligent & Robotic Systems* (2013, 357 citations), reflects his broad influence in robotics research. Liu's contributions extend across diverse domains: his predator-prey-based coverage path planning algorithm (PPCPP, 2019) advances adaptive robot navigation in dynamic environments, while his musculoskeletal modeling approach to estimating physical assistance needs (2013) pushes boundaries in robotic rehabilitation. His early work on evolutionary computing for robot localization (2006) and multi-stage shared control for mobility assistants (2005) demonstrated his long-standing commitment to intelligent, human-centered robotics. Liu also tackled practical challenges such as singularity-robust manipulator control during physical human-robot collaboration and haptic teleoperation, making robotic systems safer and more effective. His research on image contrast enhancement using particle swarm optimization further illustrates his versatility. With hundreds of citations accumulated across fields, Liu's career reflects a sustained impact on both theoretical robotics and applied autonomous systems.

Research Focus

Key Achievements

Top Papers

1. 1
   Journal of Intelligent & Robotic Systems

   357 citations · 2013
2. 2
   Contrast Enhancement and Intensity Preservation for Gray-Level Images Using Multiobjective Particle Swarm Optimization

   80 citations · 2008
3. 3
   PPCPP: A Predator–Prey-Based Approach to Adaptive Coverage Path Planning

   72 citations · 2019
4. 4
   Estimating Physical Assistance Need Using a Musculoskeletal Model

   58 citations · 2013
5. 5
   Autonomous robot manipulator-based exploration and mapping system for bridge maintenance

   54 citations · 2011
6. 6
   A framework for singularity-robust manipulator control during physical human-robot interaction

   50 citations · 2017
7. 7
   Evolutionary computing based mobile robot localization

   49 citations · 2006
8. 8
   A Multi-Stage Shared Control Method for an Intelligent Mobility Assistant

   42 citations · 2005
9. 9
   Capacitive sensor for object ranging and material type identification

   41 citations · 2008
10. 10
    Workspace mapping and force control for small haptic device based robot teleoperation

    39 citations · 2009

Key Collaborators

Contact & Links