Disturbance Observer

Selective Model Inversion and Adaptive Disturbance Observer for Rejection of Time-varying Vibrations on an Active Suspension
This paper presents an adaptive control scheme for identifying and rejecting unknown and/or time-varying narrow-band vibrations. We …
PDF Cite
Selective Model Inversion and Adaptive Disturbance Observer for Time-Varying Vibration Rejection on an Active-Suspension Benchmark
This paper presents an adaptive control scheme for identifying and rejecting unknown and/or time-varying narrow-band vibrations. We …
PDF Cite DOI
Decoupled Disturbance Observers for Dual-Input-Single-Output Systems With Application to Vibration Rejection in Dual-Stage Hard Disk Drives
The disturbance observer (DOB) has been one effective robust control approach for servo enhancement in single-input-single-output …
PDF Cite DOI
An Enhanced Repetitive Control Algorithm using the Structure of Disturbance Observer
In repetitive control, the enhanced servo performance at multiple repetitive frequencies is usually followed by undesired error …
PDF Cite DOI
Optimal Plant Shaping for High Bandwidth Disturbance Rejection in Discrete Disturbance Observers
The Q-filter cut-off frequency in a Disturbance Observer (DOB) is restricted by the model mismatch between the plant and its nominal …
PDF Cite DOI