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- Title
Sensorless control of an H-bridge inverter with output inductor-capacitor filter.
- Authors
Mohebbi, Mohammad; McIntyre, Michael L.; Latham, Joseph
- Abstract
This study presents a filter-based control scheme for an H-bridge inverter with an output inductor-capacitor filter. This approach relies only on a single output voltage measurement to reduce the system cost as well as measurement noise and disturbance injected by output current and/or inductor current measurements. Also, the proposed control algorithm is robust against parameter discrepancy. A Lyapunov stability analysis is performed to demonstrate the control objective is met and that all signals in the closed loop system are stable. Experimental results demonstrate excellent voltage tracking, insensitivity to the load and system parameter variations, and low output voltage distortion as well as the stability of the system under both linear and non-linear loads.
- Subjects
SENSORLESS control systems; ELECTRIC inverters; CAPACITORS; ELECTRIC potential; LYAPUNOV stability
- Publication
IET Power Electronics (Wiley-Blackwell), 2018, Vol 11, Issue 10, p1
- ISSN
1755-4535
- Publication type
Article
- DOI
10.1049/iet-pel.2017.0942