Force identification under unknown initial conditions by using concomitant mapping matrix and sparse regularization
X Ye, C Pan - Journal of Vibration and Control, 2021 - journals.sagepub.com
Unknown initial conditions can affect the identified accuracy of dynamic forces. Direct
measurement of initial conditions is relatively difficult. This study proposes a sparse …
measurement of initial conditions is relatively difficult. This study proposes a sparse …
Sparse regularization for force identification using dictionaries
The classical function expansion method based on minimizing l 2-norm of the response
residual employs various basis functions to represent the unknown force. Its difficulty lies in …
residual employs various basis functions to represent the unknown force. Its difficulty lies in …
Moving force identification based on sparse regularization combined with moving average constraint
C Pan, Z Huang, J You, Y Li, L Yang - Journal of Sound and Vibration, 2021 - Elsevier
An accurate input-output mathematical model is the basis of moving force identification
(MFI). However, an absolutely accurate mathematical model between moving forces and …
(MFI). However, an absolutely accurate mathematical model between moving forces and …
Matrix regularization-based method for large-scale inverse problem of force identification
Identification of force via structural responses has been widely studied due to the force is
always difficult or even impossible to be measured directly. Force identification is a typical ill …
always difficult or even impossible to be measured directly. Force identification is a typical ill …
Identification of Time-Varying External Force Using Group Sparse Regularization and Redundant Dictionary
H Liu, H Ma - Sensors, 2022 - mdpi.com
How to accurately identify unknown time-varying external force from measured structural
responses is an important engineering problem, which is critical for assessing the safety …
responses is an important engineering problem, which is critical for assessing the safety …
Identification of external forces via truncated response sparse decomposition under unknown initial conditions
When structural dynamic design for smart control and health monitoring is executed,
imposed excitations on structures are one of most important issues in structural engineering …
imposed excitations on structures are one of most important issues in structural engineering …
Elimination of accelerometer mass loading effects in sparse identification of impact forces
Identifying impact force from measured structural responses has been extensively studied.
Contact sensors such as accelerometers are often applied for recording the structural …
Contact sensors such as accelerometers are often applied for recording the structural …
An enhanced sparse regularization method for impact force identification
The standard sparse regularization method based on l 1-norm minimization for impact force
identification has already proved to be an interesting alternative to the classical …
identification has already proved to be an interesting alternative to the classical …
Non-convex sparse optimization-based impact force identification with limited vibration measurements
L Chen, Y Wang, B Qiao, J Liu, W Cheng… - Frontiers of Mechanical …, 2023 - Springer
Impact force identification is important for structure health monitoring especially in
applications involving composite structures. Different from the traditional direct measurement …
applications involving composite structures. Different from the traditional direct measurement …
Accelerated generalized minimax-concave sparse regularization for impact force reconstruction and localization
Y Wang, L Chen, J Liu, B Qiao… - Journal of Low …, 2024 - journals.sagepub.com
Impact force identification has always been of significance for structure health monitoring
especially on the applications involving composite materials. As a typical inverse problem …
especially on the applications involving composite materials. As a typical inverse problem …