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  • Education
    • MECH 6910S · Advanced Additive Manufacturing and Topology Optimization
    • MESF 5580 · Topology Optimization and Additive Manufacturing
    • MECH 4000O · Introduction to Additive Manufacturing and Rapid Prototyping
    • MECH 2520 · Design Expo
  • Equipment
    • ADASH A4404 Signal Analyzer
    • Anisoprint Composer A4
    • ATOS Non-contact 3D Scanner
    • BIO X Bioprinter
    • Bruker NPFLEX 3D Surface Metrology
    • Cable-driven Robot
    • FARO Laser Tracker
    • Flashforge Adventurer 3
    • Flashforge Creator 3
    • FLIR Lepton 3.5 Thermal Camera
    • HSR-Co603-600
    • PCB 356A17 Accelerometer
    • Small Wind Tunnel
    • Stäubli TX60
    • Universal Testing Machine
  • Join MAAL
  • News
    • Lab students hike the MacLehose Trail
    • Students recognized at the Mechanical Engineering Innovation and Creativity Competition
    • Prof. Duan speaks at COMAC International Science and Technology Innovation Week
  • People
    • ASGHAR, Arafat
    • CHEN, Siqi
    • CHEUNG, Yim Ho
    • DONG, Boge
    • DUAN, Molong
    • GUO, Zeshi
    • HE, Dong
    • HE, Shuaiyin
    • HUANG, Bowen
    • HUANG, Shifeng
    • LAI, Chunhin
    • LAW, Fu Chung
    • LI, Fang
    • LI, Yutong
      • PhD Student
    • LIU, Shuai
    • LOU, Gao
    • MEI, Yihan
    • SHI, Yu
    • WANG, Sichen
    • WU, Yishang
    • YANG, Yuexin
    • YE, Pengfei
    • ZHOU, Yi
  • Publications
    • InvariantCloud: A globally invariant, uniquely indexed point cloud framework for robust 6-DoF tactile pose tracking
    • Sensorless contact forces estimation for robotic manipulators using dual-stage temporal-residual neural network compensation
    • Computation-Efficient Path Planning Using Evolving Artificial Repulsive Force over Expanding Obstacles for Robotic Manipulator
    • Design and multi-axis additive manufacturing of lightweight and skin-compatible mesh splints using continuous basalt fiber for rehabilitation
    • Gaussian-process-based sensor placement and uncertainty quantification for dynamic response reconstruction in flexible aeroelastic structures
    • Mobile Robot Inspection of Building Plenum Spaces via Vision-Based Multi-Sensor Fault Detection
    • Property-controllable process planning for multi-axis hybrid manufacturing of complex metal parts
    • Shortened current injection for sensorless switched reluctance motor drives based on high-sensitivity-region-optimized position observer
    • DS-LABRNav: Land-air bimodal robot navigation with traversable obstacles based on vision-language model
    • Dynamic mode decomposition-based modeling and toolpath optimization of a robotic single point incremental forming process
    • An efficient cutter-facet model projection method and applications to five-axis tool path computation
    • Bead geometry prediction of directed energy deposition based on spatio-temporal neural network model
    • Toward a High-Throughput Automated Materials Experimentation Platform: Hybrid-Automata-Inspired Modeling and Equipment Configuration Optimization
    • A computation-efficient path planning method for robotic manipulators using evolving artificial repulsive force over expanding obstacles
    • Adaptive optimal control allocation of over-actuated VTOL UAVs for wind resilience and power efficiency
    • Sensorless contact forces estimation method for robotic manipulators using dual-stage temporal-residual neural network compensation
    • Contact-force-based closed-loop control of multi-axis additive manufacturing With continuous-fiber-reinforced polymer
    • Optimal-transport-based geometry modeling for material extrusion additive manufacturing
    • Additive manufacturing with continuous fiber: a comparison between prepreg and in-situ impregnated fiber on printing accuracy, bonding, and mechanical performance
    • Evolving stress-guided continuous fiber path optimization for multi-axis additive manufacturing of composite shells
    • DED bead geometry and profile prediction with multimodal spatio-temporal neural networks
    • Optimal Trajectory Generation and Feedback Tension Control of a Robotic Space Tether Launching System
    • Superwetting, self-sterilizing Cu/CuZn-ZnO grating via laser engineering for advanced droplet sensing
    • Dynamic load alleviation of input-redundant flexible aircraft via nonlinear control allocation over invariant manifold
    • Cable-driven parallel robot trajectory generation with optimized orientation considering disturbance rejection
    • Dynamic robotic bricklaying force-position control considering mortar dynamics for enhanced consistency
    • An analytical approach for dealing with explicit physical constraints in excitation optimization problems of dynamic identification
    • Freeform trajectory generation for fiber reinforced polymer composites additive manufacturing with variable-deposition-width
    • A force-position control system for robot bricklaying considering mortar dynamics
    • Optimal trajectory generation and feedback tension control of a robotic space tether launching system
    • Continuous fiber path optimization in additive manufacturing: A gradient-based B-spline finite element approach
    • Design, Manufacturing, and Control of a Cable-Driven Bionic Robotic Hand
    • Vibration compensation of an Extendable Variable-Stiffness Boom-Lift-Mounted Robot
    • Wind resistant transition trajectory generation of VTOL aircraft under control allocation framework
    • Contact-force-based closed-loop control of shell structure additive manufacturing with continuous-fiber-reinforced polymer composites
    • Dynamic geometric modeling for directed energy deposition process
    • Mechanical and morphological variations of basalt fiber in seawater and a strategy to improve its performance with nanocomposite sizing
    • Control-oriented modeling for flexible aircraft
    • Continuous fiber path optimization approach in additive manufacturing
    • Immersive learning in mechanical engineering via an online community-based augmented reality platform
    • In-situ additive manufacturing deposition trajectory monitoring and compensation with thermal camera
    • Design, manufacturing, modelling, and control of a cable-driven parallel robot for additive manufacturing
    • Strength-enhanced volume decomposition for multi-directional additive manufacturing
    • A physics-guided data-driven feedforward tracking controller for systems with unmodeled dynamics—applied to 3D printing
    • Thermal-image-enabled additive manufacturing process monitoring and extrusion trajectory compensation
    • Continuous fiber path optimization in composite additive manufacturing
    • Extendable variable-stiffness boom-lift-mounted robot with vibration compensation
    • In-situ additive manufacturing deposition trajectory monitoring and compensation system with thermal camera
    • Load alleviation of flexible aircraft by dynamic control allocation
    • Model predictive control for very flexible aircraft based on linear parameter varying reduced-order models
    • A hybrid filtered basis functions approach for tracking control of linear systems with unmodeled nonlinear dynamics
    • A linear hybrid model for enhanced servo error precompensation of feed drives with unmodeled nonlinear dynamics
    • Maneuver load alleviation of very flexible aircraft via nonlinear decoupling control
    • Nonlinear control-oriented modeling for very flexible aircraft
    • Control Allocation for Maneuver and Gust Load Alleviation of Flexible Aircraft
    • Energy optimal control of an over-actuated hybrid feed drive under variable-frequency
    • Use of filtered basis splines to compensate servo-induced motion errors
    • Analytical and low-order numerical modeling of ball-to-ball contact friction in linear ball bearings and ball screws
    • Maneuver load alleviation of flexible aircraft through control allocation: a case study using X-HALE
    • Optimal selection of basis functions for minimum-effort tracking control of nonminimum phase systems using filtered basis functions
    • Connections between control allocation and linear quadratic control for weakly redundant systems
    • An improved analytical model of friction and ball motion in linear ball bearings – with application to ball-to-ball contact prediction
    • Proxy-based energy optimal dynamic control allocation for dual-input, single-output over-actuated systems
    • A lifted domain-based metric for performance evaluation of LTI and LTV discrete-time tracking controllers
    • A limited-preview filtered B-spline approach to tracking control – with application to vibration-induced error compensation of a 3D printer
    • Boosting Speed and Accuracy in Precision Motion Control
    • Proxy-based optimal dynamic control allocation for multi-input, multi-output over-actuated systems
    • Tracking control of linear time- invariant nonminimum phase systems using filtered basis functions
    • Software-based compensation of vibration-induced errors of a commercial desktop 3D printer
    • A simplified analytical model of rolling/sliding behavior and friction in four-point-contact ball bearings and screws
    • Energy-efficient controller design for a redundantly actuated hybrid feed drive with application to machining
    • Modeling and observer-based compensation of slip in a friction drive for servo positioning
    • A trajectory optimization method for improved tracking of motion commands using CNC machines that experience unwanted vibration
    • Near energy optimal control allocation for dual-input over-actuated systems
    • Minimum-time cornering for CNC machines using an optimal control method with NURBS parameterization
    • Tracking control of non-minimum phase systems using filtered basis functions: a NURBS-based approach
    • Energy efficiency and performance optimized control of a hybrid feed drive
    • Minimum-time cornering for manufacturing machines using optimal control
  • Research
    • Additive & Composite Manufacturing
    • Flexible Aircraft & VTOL
    • Robotic Modeling & Control
    • Sensorless contact wrench estimation for industrial robots
    • Flexible industrial robot dynamics and control
    • Additive manufacturing process monitoring and control
    • Continuous-fiber additive manufacturing
    • Flexible aircraft reduced-order modeling and load alleviation
    • VTOL data-driven modeling and control allocation
    • Boom-lift-mounted robotic systems
  • Resources
    • MAAL Team Wiki
    • Aeroelastic Simulation Wiki

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LI, Yutong

1 Jan 2026 · 1 min read
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PhD Student

Research areas

Last updated on 1 Jan 2026
PhD Student
Molong Duan
Authors
Molong Duan
Assistant Professor
Molong Duan leads the Manufacturing and Aerospace Automation Lab at HKUST. His research spans dynamic-system modeling and control, robotic and additive manufacturing, continuous-fiber composites, flexible aircraft, and VTOL control.
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Manufacturing and Aerospace Automation Lab · Department of Mechanical and Aerospace Engineering · HKUST

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