- Cold Atom Physics and Bose-Einstein Condensates
- Advanced Control Systems Optimization
- Advanced Optimization Algorithms Research
- Numerical methods for differential equations
- Prosthetics and Rehabilitation Robotics
- Meteorological Phenomena and Simulations
- Spectroscopy and Quantum Chemical Studies
- Quantum Information and Cryptography
- Quantum optics and atomic interactions
- Quantum Mechanics and Applications
- Stroke Rehabilitation and Recovery
- NMR spectroscopy and applications
- Strong Light-Matter Interactions
- Muscle activation and electromyography studies
- Electron Spin Resonance Studies
- Advanced NMR Techniques and Applications
- Control Systems and Identification
- Fault Detection and Control Systems
- Spectroscopy and Laser Applications
- Target Tracking and Data Fusion in Sensor Networks
- Time Series Analysis and Forecasting
- Optical Network Technologies
California State University, Northridge
2025
Washington University in St. Louis
2022-2024
Universidade Estadual de Campinas (UNICAMP)
2020
University of Baltimore
2003
We formulate a robust optimal control algorithm to synthesize minimum energy pulses that can transfer cold atom system into various momentum states. The uses adaptive linearization of the evolution operator and sequential quadratic programming iterate towards signal achieves target state fidelity. Robustness parameter variation is achieved using Legendre polynomial approximation over domain variation. method applied optimize Bragg beamsplitting operation in ultra-cold interferometry. Even...
The “Infinity” foot controller for controlling prosthetic arms has been improved in this paper several ways, including a sleeve that enables barefoot use, an sensor-controller unit design, and more intuitive control scheme allows gradual of finger actuation. Furthermore, the “Persistence Arm”, novel transradial arm prototype, is introduced. This below-the-elbow direct-drive wrist actuation system, thumb design with two degrees freedom, carbon fiber tendons actuating four forefingers....
We investigate pulse design problems arising in diverse applications quantum science and technology. In modern approaches, is cast as an ensemble control problem involving the of a continuum nuclear spin systems, which, however, typically challenging to solve. this paper, we present new paradigm by introducing moment representations system transforming associated problem. show that feasible optimal pulses can be effectively designed using with performance guarantees across entire ensemble....
We present a computational method for open-loop minimum-norm control synthesis fixed-endpoint transfer of bilinear ensemble systems that are indexed by two continuously varying parameters. suppose one parameter scales the homogeneous, linear part dynamics, and second effect applied inputs on inhomogeneous, dynamics. This class dynamical is motivated robust quantum pulse synthesis, where parameters correspond to uncertainty in free Hamiltonian inhomogeneity Hamiltonian, respectively. Our...
A persistent challenge in tasks involving large-scale dynamical systems, such as state estimation and error reduction, revolves around processing the collected measurements. Frequently, these data suffer from curse of dimensionality, leading to increased computational demands methodologies. Recent scholarly investigations have underscored utility delineating collective states dynamics via moment-based representations. These representations serve a form sufficient statistics for encapsulating...
A comparative study of the performance different feedback controllers for a fixed DGD compensator shows that spectral line control signal is more effective in presence higher-order PMD than DOP ellipsoid controller.
We present a framework for designing optimal optical pulses the matter-wave splitting of Bose-Einstein Condensate (BEC) under influence experimental inhomogeneities, so that sample is transferred from an initial rest position into singular higher diffraction order. To represent evolution population atoms, Schroedinger's equation reinterpreted as parameterized ensemble dynamical units are disparately impacted by beam light-shift potential in continuous manner. The derived infinite-dimensional...