Papers
16
Total Citations
354
H-Index
8
About
Yannian Liu is a control systems researcher whose work has fundamentally advanced the understanding and design of controllers for underactuated robotic systems — mechanical systems where the number of actuators is fewer than the degrees of freedom. His landmark 2014 book, "Control Design and Analysis for Underactuated Robotic Systems," has garnered 99 citations and serves as a foundational reference in the field. Liu's research spans swing-up control, set-point stabilization, and reduced-order controller design, with particular emphasis on n-link planar robots constrained to operate with a single actuator. His 2013 work on reduced-order stable controllers (73 citations) and his 2009 development of the virtual composite links framework (55 citations) represent elegant theoretical contributions that simplified complex multi-link control problems. Liu has also made significant strides in controllability and observability analysis for single-actuator robotic configurations, explored energy-based global motion strategies, and investigated novel passive mechanical elements such as springs and dampers to achieve anti-swing objectives. Collectively, his publications have accumulated over 330 citations, reflecting sustained influence across robotics, nonlinear control theory, and mechatronics — making his work essential reading for researchers tackling underactuated mechanical systems.
Research Focus
Key Achievements
Top Papers
- 1Control Design and Analysis for Underactuated Robotic Systems99 citations · 2014
- 2Reduced-order stable controllers for two-link underactuated planar robots73 citations · 2013
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