Robust $H_{\infty }$ Coherent-Classical Estimation of Linear Quantum Systems

Abstract

We study robust $H_{\infty }$ coherent-classical estimation for a class of physically realizable linear quantum systems with parameter uncertainties. Such a robust coherent-classical estimator, with or without coherent feedback, can yield better disturbance-to-error performance than the corresponding robust purely-classical estimator for an uncertain plant. Moreover, coherent feedback allows for such a robust coherent-classical estimator to be more robust to uncertainty in comparison to the robust classical-only estimator.

Minor corrections, 6 pages, 8 figures, Australian Control Conference 2016

References in corpus (3)

• Coherent quantum LQG control
• Coherent-Classical Estimation versus Purely-Classical Estimation for Linear Quantum Systems
• Robust $H_{\infty }$ Estimation of Uncertain Linear Quantum Systems