A novel parallel multi-harmonic global multi-channel control algorithm for helicopter active vibration control

J Yang, J Deng, J Zhao, S Jiao, X Long - Control Engineering Practice, 2024 - Elsevier
The vibrations of the helicopter fuselage are mainly induced by the rotor with blade pass
frequency and the high order harmonics. The conventional filtered-x least mean square …

Adaptive harmonic control for rejection of sinusoidal disturbances acting on an unknown system

M Kamaldar, JB Hoagg - IEEE Transactions on Control Systems …, 2018 - ieeexplore.ieee.org
We present a sampled-data adaptive harmonic control algorithm that rejects sinusoids with
known frequencies that act on a completely unknown asymptotically stable linear time …

Structural and parametric identification of a multisinusoidal signal model by using continued fractions

MA Novoseltseva, SG Gutova… - 2018 International …, 2018 - ieeexplore.ieee.org
The article suggests a method for structural and parametric identification of multisinusoidal
signal models, which allows estimating the number of harmonics in a signal, as well as all of …

New algorithm and experiments for helicopter active control of structural response

K Lang, P Xia, L Shang - Journal of Aircraft, 2022 - arc.aiaa.org
Active control of structural response on helicopter fuselages is an effective method for
helicopter vibration control, but the existing algorithms for the method may cause the …

Lyapunov-like functions for almost global convergence in discrete-time systems

M Kamaldar, JB Hoagg - Systems & Control Letters, 2024 - Elsevier
This paper presents new results on discrete-time almost global convergence to an invariant
set. First, we present new sufficient conditions for almost global convergence using density …

Removing SPR-like conditions in adaptive feedforward control of uncertain systems

Y Wang, G Pin, A Serrani… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper considers the problem of designing adaptive feedforward control (AFC) systems
for uncertain single-input single-output linear systems perturbed by multisinusoidal …

Centralized and decentralized adaptive harmonic control for sinusoidal disturbance rejection

M Kamaldar, JB Hoagg - Control Engineering Practice, 2021 - Elsevier
This paper presents two new algorithms for rejection of known-frequency sinusoidal
disturbances that act on a completely unknown, multi-input multi-output, asymptotically …

Closed-loop control of a magnetically actuated fiber-coupled laser for computer-assisted laser microsurgery

H Mohammadbagherpoor, A Acemoglu… - 2019 19th …, 2019 - ieeexplore.ieee.org
Patient outcomes in the medical field are improving through the use and incorporation of
robotics technology and laser physics, eg, the use of optical fibers and lasers in micro …

Active Vibration Control of Helicopter Fuselage with Large Dynamic Modeling Errors

L Kai, S Lina, X Pinqi - AIAA Journal, 2022 - arc.aiaa.org
Active vibration control is an effective method for vibration control of a helicopter fuselage.
However, when there are large dynamic modeling errors of a control system, the …

Stochastic bi-level optimization models for efficient operating room planning

A Abedini, W Li, H Ye - Procedia Manufacturing, 2018 - Elsevier
Within a hospital, the operating room (OR) department has the largest cost and revenue.
Because of the aging population, the demand for surgical services has been increasing …