5 papers
Reliability Assessment and Performance Enhancement of Reset Control Systems
Ali Hosseini, Dragan KostiÄ, Hassan HosseinNia
This paper develops a frequency-domain reliability assessment framework for reset control systems. The closed-loop higher-order sinusoidal-input describing function formulation is…
Integrating Active Damping with Shaping-Filtered Reset Tracking Control for Piezo-Actuated Nanopositioning
Aditya Natu, Xiaozhe Hu, Hassan HosseinNia
Piezoelectric nanopositioning systems are often limited by lightly damped structural resonances and the gain--phase constraints of linear feedback, which restrict achievable bandwi…
Structured μ-Synthesis for Nanopositioners under Payload-Induced Uncertainties: Minimising Conservatism for Robust Performance
Manavi Araga, Aditya Natu, Hassan HosseinNia
Most systems exhibit significant variability in their dynamics, including variations in system parameters and large high-frequency dynamic uncertainties. Traditional uncertainty mo…
Frequency Domain Stability and Convergence Analysis for General Reset Control Systems Architecture
S. Ali Hosseini, S. Hassan HosseinNia
A key factor that generates significant interest in reset control systems, especially within industrial contexts, is their potential to be designed using a frequency-domain loop-sh…
Non-Minimum-Phase Resonant Controller for Active Damping Control: Application to Piezo-Actuated Nanopositioning System
Aditya M. Natu, S. Hassan HosseinNia
Nanopositioning systems frequently encounter limitations in control bandwidth due to their lightly damped resonance behavior. This paper presents a novel Non-Minimum-Phase Resonant…