PIPages
Labs

Ali Mesbah

University of California-Berkeley, CA·Engineering

Cold plasmas are low-temperature, electrically charged gases that can kill bacteria, help heal wounds, and treat skin or virus infections. They may also assist cancer treatment and modify the surfaces of implants.

Fields

Engineering

Biomedical Engineering

Computer Science

Topics

model predictive control

control systems

embedded control

Grants
1 known grant, through Aug 2027

What they work on

  1. Develop a multi-objective optimization framework that co-designs the software and hardware of model predictive control (MPC) chips for uncertain nonlinear systems with kilohertz-speed dynamics.
  2. Develop Bayesian optimization methods that safely adapt MPC-on-a-chip controllers to improve performance when only scarce performance data are available, as in personalized plasma treatment.
  3. Experimentally demonstrate adaptive MPC-on-a-chip control of a cold atmospheric plasma jet for bacterial disinfection, and release open-source code and computational benchmarks.

More about the research

Small point-of-care plasma devices could bring these treatments to clinics or to communities with few resources. However, a plasma's effect depends on many fast-changing conditions and on the surface being treated. Delivering a safe and effective dose to each patient therefore needs automatic control that can adjust as treatment proceeds.

Why it matters

Personalized, automatically controlled dosing could make portable cold-plasma devices safer and more effective. Uses could include disinfecting bacterial biofilms, treating wounds and skin disease, or treating at the point of care in resource-limited communities. The chip-based adaptive controllers could also carry over to other fast technical systems that need compact, data-efficient control.

Known grants

From NIH and NSF research grants. Labs often have other funding we can't see.

ECLIPSE: Adaptable Model Predictive Control on a Chip for Personalized and Point-of-Care Plasma Medicine

NSF · Sep 2023 – Aug 2027

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The school

University of California-Berkeley: 46 labs on PI Pages, $1.1B a year on research, 825 research doctorates a year.

More about University of California-Berkeley

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