Quantum Information and Control

This line of research focuses on quantum systems, their control and their applications in information technologies. In particular, we are interested in the study of models for quantum open systems that include noise and measurement processes, as well as open-loop and feedback control. The tasks of interest include robust state preparation, noise suppression and information encoding in physical systems. Key issues we consider include assessing scalability, speed and robustness of the control strategies. Ongoing research projects aim to study:  

 

Quantum Information and Control

The research focuses on quantum systems, their control and the emerging applications in information technologies. In particular, we are interested in probabilistic models for quantum noise and quantum feedback, generation of entangled states (i.e. states that exhibit multi-system quantum correlations, not reproducible using classical variables) on networks of systems, and quantum walks on graphs. Key aspects include assessing scalabiltiy, speed and robustness of the control strategies. Ongoing research projects aim to study:   

Spectral Estimation

Spectral estimation is the science of building models in the frequency domain from measured data. Our research focuses on the development of spectral estimation techniques building models with high resolution in prescribed frequency bands.

Machine Learning, Identification and Estimation

The focus of this area is about developing methodological tools for enabling artificial systems to safely and efficiently operate without or limited need of human intervention. Application areas are the most disparate, ranging from automatic speech or visual recognition systems to robots that are able to interact with an unknown environment while performing assigned tasks, to advanced process control systems (such as, e.g. in the pretrolchemical industry) or biomedical applications such as neuroscience.

 

Computer Vision

Computer vision is the science of retrieving information from images and movies (sequences of images indexed by time). Our goal is to develop methodologies to enable artificial systems to use visual sensors (such as cameras) to interact with the environment similarly to what us humans do.

Machine Learning and System Identification

Machine Learning is about endowing artificial systems the ability to learn from experience. Our research in this field spans a broad range of topics and includes building models from measured data as well as learning actions from "experience".

Control Systems Theory

A fundamental problem in control theory is to automatically generate the control input that acts on the behaviour of such system in the best possible way. This is done by minimizing a cost criterion or performance index which penalises i) the deviations of key measurements from their desired values and ii) the control effort, because energy has its price: this is in particular the goal of optimal control.

Switched Systems

Switched Systems

The research focuses on the analysis of the main theoretical properties of this class of systems, both in the continuous and in the discrete time cases, with possible applications in the context of drug treatment modeling, fluid systems and thermal models. Ongoing projects are the following:

System Theory

Broadly speaking, a fundamental problem in control theory is to automatically generate the control input that acts on the behaviour of such system in the best possible way. This is done by minimizing a cost criterion or performance index which penalises i) the deviations of key measurements from their desired values and ii) the control effort, because energy has its price: this is in particular the goal of optimal control.

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