Papers
4
Total Citations
77
H-Index
3
About
Rifai Chai is a control systems researcher whose work centers on robust motion control, mobile robotics, and networked control systems. His research primarily addresses the fundamental challenge of achieving precise, reliable trajectory tracking in nonholonomic wheeled mobile robots (NWMRs) under real-world conditions, including system uncertainties and external disturbances. Chai's most significant contributions lie in the development of advanced sliding mode control strategies. His 2022 paper introducing an Adaptive Fast Nonsingular Terminal Sliding Mode Dynamic Control (AFNTSMDC) method has garnered 45 citations, establishing it as a notable reference in the field. Building on this, his 2021 work on robust tracking control using fast nonsingular terminal sliding mode for differential drive robots has accumulated 26 citations, demonstrating consistent impact across his core research theme. Beyond mobile robotics, Chai has also investigated networked DC motor control, tackling practical communication challenges such as time-varying delays, data dropouts, and quantization that degrade closed-loop system performance. Together, his publications reflect a coherent research trajectory aimed at bridging theoretical control design with practical robotic applications, making his work particularly valuable for engineers and researchers developing resilient autonomous mobile systems.
Research Focus
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