Vibration characteristics of an active mounting system for motion control of a plate-like structure in future mobilities

D Hong, Y Qiu, B Kim - Scientific Reports, 2023 - nature.com
The vibration and noise caused by electric motors in hybrid and electric vehicles (EVs)
generate complex signals with a mid-frequency band, which causes uncomfortable vibration …

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 …

1D convolutional neural network-based adaptive algorithm structure with system fault diagnosis and signal feature extraction for noise and vibration enhancement in …

D Hong, B Kim - Mechanical Systems and Signal Processing, 2023 - Elsevier
A variety of adaptive algorithms are utilized to control the vibration and noise for mechanical
systems in the industrial field, since their characteristics usually changes due to unwanted …

Bidirectional active vibration control of two-dimensional structure inspired by automotive engine mounting system

D Hong, H Moon, B Kim - Journal of Mechanical Science and Technology, 2024 - Springer
Recently, active mounting systems have been applied to automotive engine mounts to
effectively mitigate structure-borne vibrations throughout the vehicle chassis. Active …

MIMO multi-frequency active vibration control for aircraft panel structure using piezoelectric actuators

W Li, Z Yang, K Liu, W Wang - International Journal of Structural …, 2023 - World Scientific
Undesirable vibration of aircraft panel structures has a significant impact on the safety of
their occupants and the operational reliability of various systems. The traditional time …

Enhanced adaptive filtering algorithm based on sliding mode control for active vibration rejection of smart beam structures

B Kim, J Yoon - Applied Sciences, 2017 - mdpi.com
This article investigates vibration rejection for a continuous smart structure using
piezoelectric bimorph patches. Such a structure has inherent nonlinearities, such as …

Interaction between two active structural paths for source mass motion control over mid-frequency range

J Liette, JT Dreyer, R Singh - Journal of Sound and Vibration, 2014 - Elsevier
The interaction between two active structural paths is analytically and experimentally studied
as part of a resonating source-path-receiver system, where each path consists of a …

Vibration reduction against modulated excitation using multichannel NLMS algorithm for a structure with three active paths between plates

D Hong, B Kim - Journal of Mechanical Science and Technology, 2019 - Springer
Electric and hybrid vehicle engines produce a complex spectrum of vibration and noise.
Various active mounting techniques have been developed to isolate them. These are …

Validation of target tracking performance through signal feature extraction method based on 1D convolutional neural network

D Hong, J Kwon, B Kim - INTER-NOISE and NOISE-CON …, 2023 - ingentaconnect.com
In order to perform active vibration and noise control, a variety of adaptive algorithms have
been investigated and developed. Especially, neural network-based signal tracking …

Active Mitigation Strategy of Structure-Borne Vibration with Complex Frequency Spectra from Asymmetric Plate-like Mounting Systems in Next Generation Mobilities

Y Qiu, D Hong, B Kim - Symmetry, 2023 - mdpi.com
The complicated spectrum produced by electric and hybrid car engines is particularly
sensitive to the mid-frequency range. Furthermore, sensor placement in future mobility is …