A differential-algebraic extended Kalman filter with exact constraint satisfaction

T Tamarozzi, P Jiránek, D De Gregoriis - Mechanical Systems and Signal …, 2024 - Elsevier
… The proposed Kalman Filter allows for exact constraint … : (i) elimination of the Lagrange
multipliers from the system state via a … coordinates after correction of the independent coordinates

An LSTM based Kalman filter for spatio-temporal ocean currents assimilation

Z Zhang, M Hou, F Zhang, CR Edwards - Proceedings of the 14th …, 2019 - dl.acm.org
… -based Ensemble Kalman Filter method … Kalman Filter that provides prediction of the
depth-averaged ocean currents in a domain, combining the Eulerian flow map with the Lagrangian

[HTML][HTML] A novel fuzzy-adaptive extended kalman filter for real-time attitude estimation of mobile robots

Á Odry, I Kecskes, P Sarcevic, Z Vizvari, A Toth, P Odry - Sensors, 2020 - mdpi.com
… the right-handed coordinate system by pointing down in … Lagrange function of the system
is L = T − P , where the motion of the system can be determined with the help of the Lagrange

Estimation of lateral track irregularity through Kalman filtering techniques

S Muñoz, J Ros, P Urda, JL Escalona - IEEE Access, 2021 - ieeexplore.ieee.org
… contact forces when the lateral coordinates and velocities are zero. These matrices and
vectors are obtained using symbolic computation: Lagrange Equations are used to find the inertia…

Integrated elastic identification and LOS angular rate extraction for slender rockets: A continuous-discrete maximum correntropy Kalman filter approach

D Zhang, J Song, Y Zhu, T Jiao, L Zhao - Aerospace Science and …, 2024 - Elsevier
… the Lagrange equation with generalized coordinates. Scholars have explored various coordinate
… Recent advancements have introduced the transient coordinate system to tackle issues …

[HTML][HTML] A discrete-time extended Kalman filter approach tailored for multibody models: state-input estimation

R Adduci, M Vermaut, F Naets, J Croes, W Desmet - Sensors, 2021 - mdpi.com
… with the Lagrange multipliers … coordinates vector, λ ∈ R n λ is known as Lagrange multipliers
and u ∈ R n u is the input vector. Through the definition of the assembled body coordinates

Incremental unscented Kalman filter for real-time traffic estimation on motorways using multi-source data

XS Trinh, D Ngoduy, M Keyvan-Ekbatani… - … A: Transport Science, 2022 - Taylor & Francis
… ) model can be formulated and solved accurately and efficiently in Lagrangian coordinates.
In Lagrangian coordinates, disturbances move along one direction instead of two directions …

[HTML][HTML] Bearings-only target tracking with an unbiased pseudo-linear Kalman filter

Z Huang, S Chen, C Hao, D Orlando - Remote Sensing, 2021 - mdpi.com
… However, unlike the traditional Kalman filter, the PLKF … into the Kalman filter to construct the
state-constrained Kalman filter [28] is … the power spectral densities of w k in two coordinates. …

Ensemble Kalman methods with constraints

DJ Albers, PA Blancquart, ME Levine… - Inverse …, 2019 - iopscience.iop.org
… methodologies: the extended Kalman filter, the unscented Kalman filter and the ensemble …
now given by means of a penalized Lagrangian approach to incorporate the property that the …

WiFi/PDR integrated navigation with robustly constrained Kalman filter

Z Li, L Zhao, C Qin, Y Wang - Measurement Science and …, 2020 - iopscience.iop.org
… based on the network of emitters with known coordinates, such as WiFi, Bluetooth, and ultra…
Lagrange multiplier method can be used to realize constrained optimization. The Lagrangian