Advanced Power Systems and Control Laboratory The University of Texas at Austin

Research

Research

Our goal is to establish a long term research and educational program in the area of automatic control and dynamic systems. We pursue research in:

  1. 01Data Attribution and Agentic AI for Control, Manufacturing, and Robotics
  2. 02Oil/Gas Drilling Automation
  3. 03Roll-to-Roll (R2R) Dry Transfer for Flexible Electronics and Advanced 2D Materials
  4. 04Autonomous Mobile Robots/Ground Vehicles
  5. 05Fuel Cell and Rechargeable Battery Systems
  6. 06System Identification/Learning Based on Physiological Signals
  7. 07Microgrids/Smart Grids
  8. 08Wind Turbine Systems
  9. 09Intelligent Sensors
01

Data Attribution and Agentic AI for Control, Manufacturing, and Robotics

Objectives

  • To develop data attribution across the control stack, from system identification and the linear quadratic regulator to data-enabled predictive control and in-context vision-language-action (VLA) policies
  • To connect changes in data to certified control safety margins, and to study trajectory unlearning, group effects and cross-agent influence
  • To develop agents that use attribution to improve robot policies through post-training and in-context learning, and that improve their own skills, tools and harness
  • To evaluate the integrated loop in roll-to-roll manufacturing and robot manipulation
Diagram of the loop: the robot executes a task; trajectories and outcomes go to data attribution, which asks which data contribute to failures; an agent diagnoses failures and chooses a revision, either in-context learning or post-training; skills, tools and harness improve later decisions; independent evaluation on fresh tasks at a matched total budget decides which revision to keep, and the loop repeats.
Agent-guided revision loop: data attribution, in-context learning or post-training, and independent evaluation.
02

Oil/Gas Drilling Automation

Objectives

  • To develop FEM models and control algorithms to mitigate undesired drillstring dynamics
  • To develop driftflux models and two-fluid models to describe the transient well hydraulic behavior, and develop novel control methodologies to mitigate the kick effects
  • To develop software tools to optimize directional drilling path
Modeling and Control of Well Hydraulics and Drilling Vibrations
Modeling and Control of Well Hydraulics and Drilling Vibrations
03

Roll-to-Roll (R2R) Dry Transfer for Flexible Electronics and Advanced 2D Materials

Objectives

  • To develop control strategies to maintain the optimal peeling condition for successful device transfer
  • To build physics-based, control-oriented, models of the R2R peeling process
  • To explore the applicability of advanced control techniques such as switching control and hybrid learning-based real-time optimal control on the R2R dry transfer process
schematic and experiment setup
schematic and experiment setup
04

Autonomous Mobile Robots/Ground Vehicles

Objectives

  • To develop a platform that can perform optimal dispatching and routing of a school of autonomous mobile robots/ground vehicles in real time considering both the shortest route and the task assignment priority
  • To develop a framework that design customized autonomous mobile robots/ground vehicles based
Minimum-Time Scheduling of Autonomous Mobile Robots; Robot; Demo
Minimum-Time Scheduling of Autonomous Mobile Robots; Robot; Demo
05

Fuel Cell and Rechargeable Battery Systems

Objectives

  • To develop models and online estimators for predicting the state of health for both fuel cells and rechargeable batteries in real time
  • To develop control strategies for hybrid powertrain systems and BMS in real time
    • Intercity trains
    • Delivery trucks
    • Buses
    • Passenger vehicles
Dynamic Thermal and Relative Humidity Model for a Polymer Electrolyte Membrane Fuel Cell Stack
Dynamic Thermal and Relative Humidity Model for a Polymer Electrolyte Membrane Fuel Cell Stack
06

System Identification/Learning Based on Physiological Signals

Objectives

  • To develop a system dynamic-based approach for drowsiness detection using electrooculography signals
  • To develop a bradycardia prediction algorithm based on a single ECG signal collected from preterm infants
Wearable Driver Drowsiness Detection Using Electrooculography Signal
Wearable Driver Drowsiness Detection Using Electrooculography Signal
07

Microgrids/Smart Grids

Objectives

  • To develop optimal control algorithms to improve microgrid resilience with respect to voltage and frequency
  • To develop decentralized control themes that use wind turbine rotors for energy storage and improve the system efficiency
Wind Turbine Participation for Microgrid Frequency Control; Modeling and Control of Wind Energy and MicrogridSystems
Wind Turbine Participation for Microgrid Frequency Control; Modeling and Control of Wind Energy and MicrogridSystems
08

Wind Turbine Systems

Objectives

  • To develop optimal controllers to maximize wind turbine energy capture and minimizing structure fatigue loading
  • To explore switched control theories to mitigate the undesired wind turbine transition dynamics between Region 2 and Region 3
Optimal Control of Wind Turbine Drivetrain
Optimal Control of Wind Turbine Drivetrain
09

Intelligent Sensors